Bibliography
This is an automatically generated bibliography describing the content of this study carrel.
- hjic-100
- author: Tamás, P.; Varga, I.; Szederkényi, G.; Bokor, J.
- title: Robust Model Predictive Control with State Estimation for an Industrial Pressurizer System
- date: 2005-09-01
- words: 4750
- flesch: 68
- summary: 1| 1 | ˆ ˆ ˆ ˆ ˆ , k k k k k e e k k k e k k k k k k k e x Ax Bu W AZ Z Ax Bu W x Ax Bu w w W + + + + ∈ + + + + = + + ⇓ = + + ∈ (31) if ( ) and k k k k k fx x Ax B x x Xκ→∞ += = + ∈ (16) In possession of the optimal control input vector v∗ we can formulate the single policy MPC controller in the following way: nom if ( ) if i i i v i x N Fx i µ ∗⎧ ≤⎪ = ⎨ >⎪⎩ N (17) i.e by means of single policy approach we determine v∗ only in the beginning (and later only if the prescribed operating point changes), and after depleting the entire control sequence, we switch to the linear feedback Fx (dual-mode control).
- keywords: + =; = =; = −; balance; case; constraints; control; controller; design; discrete; disturbance; energy; estimated; estimation; figure; following; input; k e; k k; measurement; model; mpc; nominal; output; policy; predictive; pressure; pressurizer; procedure; robust; set; sets; single; state; system; t t; tank; temperature; time; v v; wall; water; − =
- versions: original; plain text
- hjic-101
- author: Moldoványi, N.; Lakatos, B. G.
- title: Model Predictive Control of Continuous Crystallizers
- date: 2005-09-01
- words: 5339
- flesch: 57
- summary: In model predictive control, the control action is pro- vided after solving – on-line at each sampling instant – an optimization problem, and the first element in the op- timized control sequence is applied to the process (re- ceding horizon control). For the crystallizer we have two outputs and two inputs, there are three possible pairs of control variables, so three different relative-gain arrays can be formed and computed (The value 0 and 1 are rounded.): ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ ∆ ∆ ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ − − =⎥ ⎦ ⎤ ⎢ ⎣ ⎡ ∆ ∆ 2 1 2 1 21.12821.127 21.12721.128 ϑ ϑ υ υ , ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ ∆ ∆ ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ =⎥ ⎦ ⎤ ⎢ ⎣ ⎡ ∆ ∆ 2 1 3 1 10 01 ϑ ϑ υ υ ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ ∆ ∆ ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ =⎥ ⎦ ⎤ ⎢ ⎣ ⎡ ∆ ∆ 2 1 3 2 10 01 ϑ ϑ υ υ The results show that controlling the mean size and the variance together would be very difficult.
- keywords: = =; balance; bifurcation; case; change; concentration; constraints; continuous; control; controllability; controller; cost; crystallizer; crystals; dimensional; equation; form; function; future; horizon; input; isothermal; linear; mean; model; moment; mpc; new; optimization; order; outputs; point; population; prediction; problem; process; rate; sequence; set; size; space; state; system; time; value; variables; variance; vector; − =; ⎢ ⎢; ⎢ ⎣; ⎤ ⎢; ⎥ ⎥; ⎥ ⎦
- versions: original; plain text
- hjic-102
- author: Hajnal, É.; Kollár, G.
- title: Optimization of Food Logistic Processes by Simulation Technique
- date: 2005-09-01
- words: 4039
- flesch: 53
- summary: The basis of process simulation is a very detailed process mapping. Continuous time models describe a smooth flow of homogenous values; time changes in equal increments and values change based directly on changes in time.
- keywords: answer; average; block; building; case; centre; change; company; continuous; core; data; decrease; delivery; different; discrete; distribution; docks; efficiency; event; exit; fifo; fig; food; important; information; input; intake; items; life; logistics; lorries; lorry; mapping; method; model; modelling; network; noise; number; numberexited; operation; optimization; output; parameters; process; processes; products; queue; real; reasons; resources; service; simulation; software; solutions; state; step; system; time; traffic; utilization; wait; waiting; warehouse
- versions: original; plain text
- hjic-1020
- author: Woinaroschy, A.; Plesu, V.; Woinaroschy, K.
- title: CLASSIFICATION NEURAL NETWORKS IMPROVEMENT USING GENETIC ALGORITHMS
- date: 2002-10-12
- words: 3148
- flesch: 56
- summary: the bounds imposed to the weights of the inter-neuronal connections, the number of neurons in the hidden layer, fitness expression, etc. Keywords: neural networks, genetic algorithms, classification Introduction An important field of neural network applications in bioprocessing and chemical engineering consists in classification problems, like process fault detection and diagnosis, detection and location of gross errors in experimental data sets, spectral analysis, models discrimination and identification of model parameters, etc. There are several types of neural networks used for classification problems: back-propagation, radial-basis- function, learning-vector-quantization, probabilistic networks, networks based on adaptive-resonance-theory, and so on.
- keywords: algorithm; best; changes; chemical; chromosome; classes; classical; classification; codification; connections; constraint; corresponding; crossover; data; delta; effect; error; function; genetic; hidden; initial; inter; layer; learning; mutation; network; neural; neuronal; neurons; nonuniform; number; output; population; problems; procedure; results; rms; rule; search; seeding; space; table; use; values; variables; weights
- versions: original; plain text
- hjic-1021
- author: Yassine, T.; Baidoun, R.; Stas, J.; Al-Merey, R.
- title: PREPARATION OF FEED GRADE DICALCIUM PHOSPHATE FROM COMMERCIAL PHOSPHORIC ACID
- date: 2002-10-12
- words: 2805
- flesch: 58
- summary: Keywords: commercial phosphoric acid, dicalcium phosphate, feed Introduction Phosphate rocks contain different levels of harmful contaminants such as fluoride, hazardous trace elements, and radioactive elements, which could be transferred to phosphoric acid produced by wet- process.
- keywords: acid; addition; ammonium; barren; commercial; compounds; dicalcium; elements; feed; fluoride; grade; high; hydroxide; impurities; level; page; percentage; phosphate; phosphoric; precipitate; precipitation; prepared; product; range; ray; recovery; solution; stage; sulfate; sulfide; syrian; table; temperature; trace; uranium; value
- versions: original; plain text
- hjic-1022
- author: Bhutra, M. K.; Vyas, A.; Bhutra, G.L.
- title: A NOVEL METHOD FOR DETECTION AND ESTIMATION OF COPPER(II) IN WATER
- date: 2002-10-12
- words: 1774
- flesch: 60
- summary: If the colour of reagent does not disappear within 5 minutes it indicates that copper concentration is well within permissible limit. Concentration of 1.0 2.0 3.0 5.0 10.0 copper using time chart in field test method (mg/1) Concentration of 0.988 2.001 3.005 5.001 10.001 copper estimated by standard AAS method (mg/1)
- keywords: brown; chart; chemistry; colour; concentration; copper; drinking; estimation; ferric; field; limit; liquid; method; mg/1; permissible; phase; rapid; reaction; reagent; red; sample; sensitive; sodium; solution; standard; table; test; thiocyanate; thiosulphate; time; water
- versions: original; plain text
- hjic-1023
- author: Balgaranova, J.
- title: THE INFLUENCE OF WATER SOLUBLE VARNISHES ON THE CATALYST DURING ENAMELLING PROCESS
- date: 2002-10-12
- words: 1449
- flesch: 54
- summary: Conclusions The investigation is of interest in view of the possibility of using water soluble enamel varnishes for production of enamel wires. The use of the new so-called water soluble enamel varnishes, increases the possibilities for catalyst poisoning.
- keywords: activity; air; catalyst; catalytic; combustion; concentration; decrease; degree; destruction; enamel; energy; hb-91; high; organic; pgz; poisoning; process; production; sicme; soluble; substances; technology; vapour; varnish; varnishes; water; wires
- versions: original; plain text
- hjic-1024
- author: Haghi, A. K.
- title: A STUDY OF DRYING PROCESS
- date: 2002-10-12
- words: 5147
- flesch: 64
- summary: To simulate the two stage-sorption process, David and Nordan [10] proposed an exponential function to describe the rate of change of fiber water content, which needed to be adjusted according to the measured fabric moisture content. Two of the equations involve the conservation of mass and energy, and the third relates fiber moisture content with the moisture in the adjacent air.
- keywords: air; boundary; capacity; carpet; changes; coefficient; concentration; conditions; constant; content; convective; dependent; diffusion; diffusion coefficient; drying; effect; equations; equilibrium; evaporation; fabric; fiber; flux; function; gas; heat; heat transfer; henry; humidity; k-1; liquid; mass; material; microwave; model; moisture; moisture content; page; period; pores; process; rate; relative; res; saturation; second; solution; sorption; stage; stream; surface; temperature; text; thermal; time; total; transfer; vapour; water; weight; wool
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- hjic-1025
- author: Kováts, N.; Szalay, T.; Kiss, I.; Kárpáti, Á.; Paulovits, G.
- title: ASSESSMENT OF DEGRADABILITY IN WHOLE EFFLUENT TOXICITY TESTING USING BIOLUMINESCENT BACTERIA
- date: 2002-10-12
- words: 2869
- flesch: 51
- summary: 274 Table I Results of toxicity tests made using ToxAlert. where fkt mean of fkt of the two control samples lo luminescence intensity of the control test suspension let corrected value of for test sample cuvettes immediately before the addition of the test sample Then the inhibitory effect lit of the test sample was calculated (Eq.(3)).
- keywords: assay; bacteria; biodegradation; case; changes; chemicals; concentration; conditions; contact; control; cuvettes; day; ecosystems; effluent; environmental; exposure; industrial; laboratory; liquid; luminescence; main; methods; mixed; natural; order; organisms; process; processes; protection; real; receiving; results; sample; significant; solution; substance; suspension; test; testing; time; toxicity; water; wet; world
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- hjic-1026
- author: Hamerli, P.; Weigel, T.; Groth, T.; Paul, D.; Marton, G.
- title: SURFACE PROPERTIES AND TISSUE COMPATIBILITY OF NH3-PLASMA MODIFIED POLYETHYLENTEREPHTALAT MEMBRANES
- date: 2002-10-12
- words: 3473
- flesch: 57
- summary: The improved cell adhesivity of ammonia plasma modified membranes can be explained due to their hydrophilic character and the presence of nitrogen-containing functional groups [24]. Cell proliferation on plasma treated surfaces was almost 125 % of the original membrane after 6 day of cultivation.
- keywords: adhesion; amine; ammonia; biocompatibility; biomed; cell; chemical; chemistry; composition; concentration; contact; content; cultivation; energy; fibroblasts; functional; gas; germany; groups; higher; hydrophilic; low; mater; measurements; membranes; modified; morphology; nh3; nitrogen; observed; overall; page; pet; pet2; pet3; petl; plain; plasma; process; proliferation; properties; results; samples; surface; time; tissue; treatment; wettability; xps
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- hjic-1027
- author: Blickle, T.; Bezegh, A.; Mihálykó, Cs.
- title: STOCHASTIC MODEL OF FIRST ORDER CHEMICAL REACTIONS TAKING PLACE IN PARTICLES
- date: 2002-10-12
- words: 1621
- flesch: 70
- summary: [c(t)- Ac * (t)(ekt -1),] 11 c (t n · M 1 (t) = J J J c* (t)ekt ,0 (8) OOk .. kt * · e B(k )dkdc(t)dc (t) Keywords: stochastic model, particle dispersion processes, iron oxide red production, conversion rate, product homogeneity, momentum equation, particulate system Introduction During the years of the '50s, an intensive research was lead by Prof. K. Polinszky, to study the properties of inorganic pigments and their production methods.
- keywords: c(t; concentration; constant; conversion; different; function; iron; mathematical; model; oxide; particles; processes; rate; relative; stochastic; time; values; veszprem; virtual
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- hjic-1028
- author: Sutiman, D.
- title: THE STABILITY OF THE LOW ALLOY STEELS IN ORGANIC SYSTEMS WITH SUCCINIC AND ADIPIC ACIDS
- date: 2002-10-12
- words: 2359
- flesch: 66
- summary: These show primarily the displacement of the absorption frequency of the group coo- of the two acids from 1700 to 1685 cm·1 for succinic acid and from 1695 to 1680 cm-1 for adipic acid due to a stronger bonding of oxygen. These are situated at 380 and 360 cm-1 in the I.R. spectra of the compound with succinic acid and at 371 and 352 cm'1 in the spectra of the product with adipic acid.
- keywords: acid; acid acid; adipic; adipic acid; compounds; concentration; corrosion; corrosive; curves; ethylene; formation; higher; i.r; layer; medium; metallic; organic; passive; spectra; steel; succinic; succinic acid; succinic adipic; surface; system; table; value; water
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- hjic-1029
- author: Singha, A. S.; Kaith, B. S.; Sarwade, B. D.
- title: MODIFICATION OF FLAX FIBRE THROUGH GRAFT COPOLYMERIZATION WITH METHYL METHACRYLATE AND EVALUATION OF SWELLING, MOISTURE ABSORBANCE AND THERMAL BEHAVIOUR
- date: 2002-10-12
- words: 3087
- flesch: 69
- summary: Flax fibre has been modified through grafting of methyl methacrylate in presence of potassium persulphate and ferrous ammonium sulphate as reaction initiators. Flax fibre showed a broad peak at 3420 cm·1 due to bonded -OH and at 2925.5, 1458.6 and 1055.87 cm·1 arising from -CH2, C-C and C- O stretching.
- keywords: absorbance; behaviour; chains; chern; different; dmso; fas; fibre; flax; graft; grafting; h20; increase; kps; loss; methacrylate; methyl; mma; moisture; molar; monomer; percent; poly(mma; polym; polymer; polymerization; reaction; sci; stability; studies; temperature; thermal; weight; yield
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- hjic-103
- author: Madár, J.; Balaskó, B.; Szeifert, F.; Abonyi, J.
- title: Evolutionary Strategy in Iterative Experiment Design
- date: 2005-09-01
- words: 3512
- flesch: 50
- summary: The obtained model output vs. the ‘true’ solid: system, dashed: Method 2 dotted: Method 3 Conclusions The estimation of model parameters largely depends on the information content of the experimental data presented to the parameter identification algorithm. In these studies experiment design is concerned with the following questions: How does one adjust time-varying controls, initial conditions, and/or other design parameters of the experiments to generate the maximum amount of information for the purpose of estimating the parameters with greatest precision.
- keywords: accurate; algorithms; application; biochemical; confidence; control; criterion; design; estimation; evolutionary; example; experiment; experiment design; fig; identification; information; initial; input; kinetic; matrix; method; model; nonlinear; oed; optimal; optimization; output; paper; parameters; process; profile; results; strategy; structure; system; u(t; values; variables
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- hjic-1030
- author: Kalaichelvi, P.
- title: ANALYSIS OF PARAMETERS INFLUENCING THE PROPERTIES AND YIELD OF LUBE-OIL EXTRACTION PRODUCTS
- date: 2002-10-12
- words: 1937
- flesch: 63
- summary: different combinations Tabl~t 1 Extraction resuJts for extraction temperatures of 65 oc and SJ F ratio of 1.4 Feed Mixtures Properties Feed #1 #2 #3 #4 RAFFINATE Yield (Wt %) 80 90 94 70 77 Density, 15 oc 0.9079 0.8856 0.8777 Extraction temperatures are fixed based on miscibility temperatures of various combinations of feed mixtures
- keywords: analysis; aromatics; composition; constant; content; effect; experimental; extraction; feed; liquid; lube; mixtures; oil; parameters; present; properties; raffinate; ratio; results; saturates; single; solvent; stage; stocks; temperature; yield
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- hjic-1031
- author: Hancsók, J.; Magyar, S.; Lengyel, A.
- title: HYDROTREATING OF FULL RANGE FCC GASOLINE
- date: 2002-10-12
- words: 2382
- flesch: 57
- summary: Three main long-run methods are offered for reducing sulphur content of gasoline, each of which results in lower sulphur content of FCC gasoline: reduction by hydrofining of FCC feed, application of new catalysts and catalyst additives in the FCC unit and desulphurisation of FCC gasoline Nevertheless, desulphurisation of FCC gasoline cannot generally be avoided to meet ultra low sulphur specifications of engine gasoline.
- keywords: catalyst; content; desulphurisation; desulphurising; distillation; experiments; fcc; feedstock; fraction; function; gasoline; high; hydrocarbon; hydrotreating; lhsv; light; liquid; loss; low; low low; lower; medium; new; number; octane; olefin; page; paraffins; parameters; ppm; process; processes; products; range; reduction; research; results; saturation; selective; significant; sulphur; table; temperature
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- hjic-1032
- author: Holczinger, T.; Romero, J.; Puigjaner, L.; Friedler, F.
- title: SCHEDULING OF MULTIPURPOSE BATCH PROCESSES WITH MULTIPLE BATCHES OF THE PRODUCTS
- date: 2002-10-12
- words: 2382
- flesch: 57
- summary: Three main long-run methods are offered for reducing sulphur content of gasoline, each of which results in lower sulphur content of FCC gasoline: reduction by hydrofining of FCC feed, application of new catalysts and catalyst additives in the FCC unit and desulphurisation of FCC gasoline Nevertheless, desulphurisation of FCC gasoline cannot generally be avoided to meet ultra low sulphur specifications of engine gasoline.
- keywords: catalyst; content; desulphurisation; desulphurising; distillation; experiments; fcc; feedstock; fraction; function; gasoline; high; hydrocarbon; hydrotreating; lhsv; light; liquid; loss; low; low low; lower; medium; new; number; octane; olefin; page; paraffins; parameters; ppm; process; processes; products; range; reduction; research; results; saturation; selective; significant; sulphur; table; temperature
- versions: original; plain text
- hjic-1033
- author: Mohamed, A. I.; Xian, S. B.; Qing, C.
- title: A DESIGN FOR PHOTOCHEMICAL DESULFURIZATION AND SOLVENT EXTRACTION FOR LIGHT OIL
- date: 2002-10-12
- words: 3055
- flesch: 53
- summary: After extraction with acetonitrile the sulfur content in gasoline decreased from 316 ppm to 47.7 ppm, and that in light gas oil from 988 ppm to 101.2 ppm or with 84.9 and 89.75 %, respectively. Experimental Section Materials Atmosheric light gasoline and FCC light gas oil were supplied by Shanghai Refinery (Table 1).
- keywords: acetonitrile; arc; atmospheric; column; compounds; content; desulfurization; differents; excited; extraction; fcc; free; gas; gas oil; gasoline; high; lamps; light; liquid; low; mercury; method; minutes; oil; page; photochemical; photon; ppm; pressure; primary; process; processes; product; ratio; reactions; singlet; solvent; stages; state; sulfur; temperature; time; ultraviolet; volume; water
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- hjic-1034
- author: Baldea, M. ; Cristea, V. M.; Agachi, P. S.
- title: A FUZZY LOGIC APPROACH TO THE CONTROL OF THE DRYING PROCESS
- date: 2002-10-12
- words: 1961
- flesch: 56
- summary: Moisture content control is actually achieved by controlling the air temperature inside the drying chamber. S Detailed presentation of the comparative behaviour of FL, MPC and PID control in the presence of the heating power disturbance profile on the air temperature.
- keywords: air; behaviour; chamber; content; control; controller; disturbance; drying; flow; fuzzy; gas; humidity; industrial; inlet; logic; mass; model; moisture; mpc; natural; pid; process; product; rate; results; section; setpoint; system; temperature
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- hjic-1035
- author: Saboni, A.; Alexandrova, S.; Assenov, A.
- title: DIRECT CALCULATION OF SULFUR DIOXIDE ABSORPTION BY WATER DROPS
- date: 2002-10-12
- words: 3444
- flesch: 64
- summary: Cg bulk gas concentration c interface gas concentration gi CD drag coefficient (z concentration of drop eli equilibrium concentration of drop d drop diameter D molecular diffusivity gas/liquid phase g,l kt liquid mass transfer coefficient kg gas mass transfer coefficient R Rainfall rate Re Reynolds number r radial coordinate Tm mean drop radius s surface area Sc Schmidt number Sh Sherwood number t dimensional time u Terminal velocity * Interfacial liquid friction velocity u v drop volume p g,l fluid density ( gas/liquid) REFERENCES 1. Fig.4 shows the time evolution of the specified gaussian distribution of sulfur dioxide concentration as a population of drops faits the plume pollution with an initial peak profile concentration of 500 ppb (v).
- keywords: absorption; air; atm; case; chern; coefficient; concentration; data; dioxide; drop; equilibrium; et al; experimental; gas; gases; interface; layer; liquid; local; mass; mitra; model; number; phase; plume; pollution; pruppacher; radius; rain; rainfall; rate; results; s02; scavenging; sulfur; time; total; trace; transfer; water
- versions: original; plain text
- hjic-1036
- author: Hancsók, J.; Varga, Z.
- title: INVESTIGATION OF THE PRODUCTION OF GAS OIL OF LOW AROMATIC CONTENT
- date: 2002-10-12
- words: 2463
- flesch: 59
- summary: The demand on gas oil of low aromatic content was increasing significantly in the last years. The experimental results of producing gas oil of low aromatic content are presented.
- keywords: aromatic; aromatic content; base; bmci; catalyst; cetane; compounds; content; cracking; diesel; effect; emission; engine; experiments; feedstock; fuels; gas; hydrocarbon; lhsv; low; nox; number; oil; parameters; point; ppm; pressure; process; products; properties; quality; requirements; results; steam; sulphur; table; temperature
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- hjic-1037
- author: Abilov, A. G.; Tuzunalp, O.; Telatar, Z.; Ilk, H. G.
- title: EQUIVALENT SYSTEM METHOD APPLIED TO MULTIVARIABLE CASCADE CONTROL OF INDUSTRIAL TUBULAR FURNACE
- date: 2002-10-12
- words: 2563
- flesch: 54
- summary: Finally, experimental tests of the control of temperature in industrial furnace plant using multivariable cascade equivalent control system has also verified the conclusion that equivalent system technique has considerable control performance. In this system, because the transfer function of the equivalent channels is symmetric, it is identified as, Equivalent multivariable cascade control system A block diagram of the multi variable cascade control of the equivalent system is shown in Fig.5.
- keywords: advanced; block; burning; cascade; chambers; channel; chimney; consumption; control; control system; diagram; disturbance; dynamic; equivalent; flow; fuel; function; furnace; gasses; industrial; left; loop; main; multivariable; outlet; output; parameters; performance; petroleum; process; right; symmetric; system; temperature; transfer; transfer function
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- hjic-1038
- author: Sutiman, D.
- title: THE INFLUENCE OF WATER CONCENTRATION ON THE CORROSION OF LOW ALLOY STEELS IN THE SYSTEM METHANOL – ETHYLENE GLYCOL – MALONIC ACID
- date: 2002-10-12
- words: 1945
- flesch: 69
- summary: The behaviour of three type of steel, with a variable carbon concentration (from 0.20 to 0.40 %) is studied in medium of methanol - 10 % ethylene glycol - 5 % malonic acid with water concentration varying between 1 % to 5 %. This paper continues the study about the influence of water concentration over steels with different carbon concentration.
- keywords: acid; chemical; composition; compounds; concentration; corrosion; corrosive; curves; higher; malonic; medium; metallic; molecules; organic; present; process; steel; surface; sutiman; system; table; value; water
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- hjic-1039
- author: Renganathan, T.; Krishnaiah, K.
- title: MATHEMATICAL EQUIVALENCE OF INFINITE MIXED FLOW REACTORS IN SERIES AND PLUG FLOW REACTOR
- date: 2002-10-12
- words: 836
- flesch: 67
- summary: Keywords: chemical reactors, mixed flow reactor, plug flow reactor, residence time distribution, convergence Introduction The basic concept, that infinite mixed flow reactors (MFR) in series give the same performance as a plug flow reactor (PFR) is well known in chemical engineering for many years. Proof of Equivalence A series of mixed flow reactors (MFRs) with delta input are shown in Fig.l.
- keywords: delta; flow; function; impulse; infinite; input; mixed; plug; reactor; series; tends; time
- versions: original; plain text
- hjic-104
- author: Herrmann, N.; Karnjanatawee, V.
- title: Neumann Boundary Value Problems with BEM and Collocation
- date: 2005-09-01
- words: 3345
- flesch: 74
- summary: Then we get from (7) a Fredholm integral equation of the second kind ( ) ( ) ( ) ( ) ( ) ξξ ξ σ ξ ξσξ ξ d n u ,xEdu n ,xExu ∫∫ Ω∂Ω∂ ∂ ∂ = ∂ ∂ + 2 (8) Ω∂∈∀x where u on the left hand side is unknown and ( ) ( )xg n xu = ∂ ∂ on is given. τ ξxξ ξ ξξ where ( t,u x ) is the unknown solution of the heat equation, ( ),, 21 ξξ=ξ ( ),y,x=x 2 2 2 2 1 2 ξξ ∂ ∂ + ∂ ∂ =∆ ξ .
- keywords: boundary; collocation; equation; heat; integral; linear; method; neumann; piecewise; problem; solution; t t; time; x;,e; ξ ξ; ∂ =; ∂ ∂; ⎢ ⎢; ⎤ ⎢; ⎥ ⎥; ⎥ ⎦
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- hjic-1040
- author: Galaction, A. I. ; Cascaval, D.
- title: COMPARATIVE STUDY AND MODELLING OF RUTIN EXTRACTION FROM HYPERICI HERBA AND HIPPOPHAES FRUCTUS
- date: 2002-10-12
- words: 3169
- flesch: 58
- summary: The study on Rutin extraction from autochthonous Hyperici herba andHippophaesfructus with methanol, ethanol and!- propanol at different concentrations, temperatures and duration indicated that the most efficient solvent is !-propanol, its optimum concentration being determined by the amount and type of the natural compounds from the two plants. For both extraction systems, the considered variables control the extraction process in a 99.2-99.5% extent, the solvent concentration exhibiting the most imp01tant influence, especially for Rutin extraction from Hippophaes fructus.
- keywords: -propanol; analyzis; calculated; coefficient; compounds; concentration; degree; duration; ethanol; experimental; extraction; fructus; herba; hippophaes; hippophaes fructus; hyperici; hyperici herba; influence; material; plants; process; regression; rutin; rutin extraction; second; solvent; statistical; study; table; temperature; values; variables; vol; yield
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- hjic-1041
- author: Vaklieva-Bancheva, N. G. ; Shopova, E. G. ; Ivanov, B. B.
- title: APPLICATION OF FOURIER TRANSFORMATION FOR WASTE MINIMIZATION IN BATCH PLANTS. 1. ANALYSIS OF PRODUCTION RECIPES
- date: 2002-10-12
- words: 5014
- flesch: 62
- summary: Environmental impact indices. The operational mode affects the level and distribution of environmental impact into the production cycle, which is very important for -environmentally efficient control of batch processes.
- keywords: air; analysis; application; approach; assessments; batch; bod; case; casein; content; continuous; curd; cycle; determined; distribution; environmental; environmental impact; fourier; function; global; horizon; impact; impact indices; indices; inherent; level; mass; milk; milkfat; milkfat content; optimal; pollutant; pollution; process; processing; product; production; rate; respective; routine; skim; sources; system; table; target; task; time; transformation; unit; values; waste; whey
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- hjic-1042
- author: Veli, S.
- title: ALKYLATION OF BIPHENYL WITH 1-HEXEN BY USING A CATALYST
- date: 2002-10-12
- words: 1819
- flesch: 50
- summary: It was observed that the conversion of biphenyl increases with temperature. As shown in Fig.4, biphenyl conversion and monohexyl biphenyl concentration in alkylat increases as the reaction time increases, while di~ and polyhexyl biphenyl concentrations decrease.
- keywords: alkylation; amounts; biphenyl; catalyst; concentration; conditions; conversion; diand; effect; hexen; increases; molar; monohexyl; polyhexyl; process; ratio; reaction; reactor; results; temperature; time
- versions: original; plain text
- hjic-1043
- author: Tekić, M. N.; Zavargó, Z.; Krstić, D.; Djurić, M.
- title: MATHEMATICAL MODEL OF VARIABLE VOLUME DIAFILTRATION
- date: 2002-10-12
- words: 1500
- flesch: 57
- summary: Variable volume diafiltration is a continuous process in which water is continuously added at a rate Jess than the permeate flow rate so that the concentration of macrosolute continuously increases, and the final concentrations of macrosolute and microsolute can be reached simultaneously. The results of the calculation on Fig.5 represent the relative volume of the water added during the constant volume and variable volume diafiltration.
- keywords: coefficient; concentration; constant; diafiltration; different; dilution; final; flow; macrosolute; model; processing; rate; rejection; relative; solution; time; ultrafiltration; variable; volume; water
- versions: original; plain text
- hjic-1044
- author: Storey, C.
- title: TIME SERIES AND THE ALGEBRAIC MATRIX RICCATI EQUATION
- date: 2002-10-12
- words: 1685
- flesch: 78
- summary: Two different sets of parameter values are given for each of two different suggested models: Modell Tent: y(t) The table entries are solutions (rounded to 3 decimal places) of n x m Yule~ Walker equations by the least squares method (LS) and by the total least squares method (TLS).
- keywords: equations; example; final; matrix; method; model; number; numerical; nxm; parameters; process; ref; results; series; table; tent; test; time; tls; values; w(t; walker; y(t; yule
- versions: original; plain text
- hjic-1046
- author: Kápolna, B.; Szabó, R.; Viczián, G.; Kollár, G.
- title: INTERNET BASED SURVEY AS I/O SUPPORT IN PROCESS APPROACHED QMS OF FOOD/AGRO INDUSTRIES
- date: 2002-10-12
- words: 3476
- flesch: 66
- summary: In one of our earlier papers [4] we discussed Internet vs. paper-based replies to questionnaires surveying the rates of food consumption in different areas of food market Comparing these types of replies we found an interesting~ but - in view of the number of answers - insignificant difference between the two groups in FFV consumption and in meat consumption. On the third Internet form we attempted to get information about Hungarian meat consumption.
- keywords: answers; bse; budapest; cgi; collection; consumption; customers; data; description; distribution; email; evaluation; factors; ffv; fields; fig; file; food; forms; healthy; hungarian; hungary; important; information; input; interesting; internet; management; meat; model; new; number; option; page; patterns; people; point; price; process; processing; product; program; quality; questionnaires; questions; replies; requirements; system; time; type; web; white; years
- versions: original; plain text
- hjic-1047
- author: Kókai, Z.; Heszberger, J.; Kollár-Hunek, K.; Kollár, G.
- title: A NEW VBA SOFTWARE AS A TOOL OF FOOD SENSORY TESTS
- date: 2002-10-12
- words: 2556
- flesch: 62
- summary: Sensory testing methods can be divided into three main groups: • difference testing methods; • ranking methods • and descriptive methods. This paper was presented at the gth International Workshop on Chemical Engineering Mathematics, Bad Honnef, Germany, September 18-212002 Sensory testing is an essential tool for introducing new products to the market.
- keywords: analysis; apple; assessors; attribute; basic; budapest; category; data; different; evaluation; experts; group; hungary; information; iso; jonathan; laboratory; methods; modules; number; page; profile; questionnaires; research; samples; scale; score; sensory; sensory testing; sheets; software; step; szent; technology; testing; time; university; unstructured; use; vba; work
- versions: original; plain text
- hjic-105
- author: Gál, G.; Hanák, L.; Argyelán, J.; Strbka, A.; Herseczki, Zs.; Szánya, T.; Aranyi, A.; Temesvári, K.; Horváth, Z.
- title: Simulated Moving Bed (SMB) Separation of Pharmaceutical Enantiomers and Crystallization
- date: 2006-09-01
- words: 8406
- flesch: 56
- summary: HUNGARY A promising solution for the separation of pharmaceutical enantiomers is the method of SMB liquid chromatography (SMB-LC). Feed: cm3/min 3.47 3.2 2.9 2.6 2.35 1.5 0.5 Fresh eluent: D = 20 cm3/min Extract: E = 4 cm3/min Raffinate: R = 6 cm3/min Recycling: REC = 0 cm3/min Langmuir constants: as given Feed concentration: g (S ) component/cm3 liquid g (R ) component/cm3 liquid Number of Theoretical Plates: NTP = 200/25 cm column Switching time: 5 min Calculation time: 400 min Data input to the SMB-KROM-N software 5.2=FBc 5.2=FAc Table 4: Results of simulations S % (A/A) R % (A/A) S (%) R (%) (mg S / g packing/day) (mg R / g packing/day) (cm3 eluent/mg S ) (cm3 eluent/mg R ) SIM 1. 76.44 99.61 99.97 68.84 268.31 184.16 2.27 3.32 SIM 2. 80.43 99.63 99.97 75.29 245.40 184.15 2.49 3.32 SIM 3. 85.88 99.65 99.98 83.04 222.50 184.06 2.74 3.33 SIM 4. 93.18 99.66 99.98 91.77 199.63 182.37 3.06 3.35 SIM 5. 97.43 99.64 99.97 96.10 180.54 173.61 3.38 3.54 SIM 6.
- keywords: adsorption; analytical; bed; bulk; calculated; calculation; case; chiral; chiralcel; chromatography; cm3; column; component; concentration; consumption; crystallization; crystals; csp; data; day; dm3; dm³; eluent; enantiomer; equilibrium; equipment; evaporated; evaporation; extract; false; feed; fig; fresh; hexane; hplc; hybrid; iii; ipa; krom; langmuir; liquid; mathematical; measurements; method; mii; min; mixture; morbidelli; mother; moving; packing; parameters; phase; point; process; productivity; pure; purity; racemic; raffinate; recirculation; region; results; scale; separation; sim; simulated; simulation; smb; solid; solubility; solvent; streams; switching; system; table; temperature; time; total; triangle; true; values; velocity; volumetric; yield; zone
- versions: original; plain text
- hjic-106
- author: Temesvári, K.; Aranyi, A.; Horváth, Z.; Nagy, M.; Szánya, T.; Hanák, L.
- title: Quasi-Continuous Elution Chromatographic Purification of a Steroid Active Compound
- date: 2006-09-01
- words: 3300
- flesch: 56
- summary: The main steps of the elaboration of the quasi- continuous process are: (A.) Preliminary elution experiment on one of the eight 250X16 mm I.D. columns used in the SMB unit for quasi-continuous elution separation, for the determination of the solvent volumes necessary to the steps of the separation. Table 2: Process parameters of quasi-continuous elution experiments Flow rates of the pumps (mL min-1) Experiment Switching time (min) Sample injection P1 Elution of less retained impurities P5 Elution of the pure active compound P4 Back- flushing P2 Column conditioning P3 1. 21 0.5 5 4 4 3 2. 19 0.5 5 4 4 3 3. 21 0.5 4.7 4 4 3 4. 21 0.5 4.5 2.5 4 3 5. 21 0.5 4.5 3.2 4 3 6. 21 0.5 4.5 3.5 4 3 7. 21 0.5 4.5 3.5 4 3 8. 14 0.75 6.75 5.2 6 4.5 Results and Discussion Results of the Preliminary Elution Experiment
- keywords: active; batch; chromatographic; columns; compound; continuous; continuous elution; eluent; elution; elution chromatographic; experiment; fig; flow; fraction; impurities; instrument; knauer; main; material; packing; parameters; pilot; preliminary; process; pure; purification; quasi; sample; scale; separation; set; smb; solvent; specific; steps; switching; table; time; unit; volumes
- versions: original; plain text
- hjic-1061
- author: Omota, L. M.; Iulian, O.; Mateescu, c.
- title: REFRACTIVE INDICES, DENSITIES AND DERIVED EXCESS PROPERTIES OF BINARY AND TERNARY SYSTEMS WITH DIMETHYL SULFOXIDE, WATER AND 1,4-DIOXANE
- date: 2001-10-12
- words: 2801
- flesch: 77
- summary: We have also calculated excess partial molar -E volumes, V; , as follows: (6) 4 Table 5 Refractive indices, changes of molar refraction on mixing and refractive indices deviations calculated with several mixing rules. We present the experimental values of refractive indices and calculated changes of molar refraction on mixing over the entire mole fraction range at 298.15 K and at atmospheric pressure.
- keywords: -0.0003; -0.0015; -0.0028; -0.0044; 1,4; binary; calculated; changes; chemistry; components; densities; density; deviations; dimethyl; dioxane; dms0; dmso+water; equation; excess; excess molar; experimental; fraction; index; indices; interactions; j.chem.eng.data; literature; mixing; mixtures; molar; molar refraction; molar volumes; mole; negative; page; partial; partial molar; properties; pure; refractive; results; rules; standard; systems; table; ternary; values; volumes
- versions: original; plain text
- hjic-1062
- author: Orbán, Á.; Zelkó, R.; Dredán, J.; Marton, S.; Rácz, I.
- title: POLYMER-PLASTICIZER INTERACTIONS: COMPARISON OF EXPERIMENTAL DATA WITH THEORETICAL RESULTS
- date: 2001-10-12
- words: 1674
- flesch: 42
- summary: The results indicate that the calculation of molar refraction values of polymer dispersions containing plasticizer offers useful means for the determination of the optimum concentration of the selected plasticizer. Calculation of the Molar Refraction by the Lorenz- Lorenz Equation The following equation was used for the determination of molar refraction values (R): (1) where n is the determined refractive index, M is the molecular weight and d is the density of the examined material [8].
- keywords: 30d; aqueous; calculated; coating; concentration; dibutyl; different; diffraction; dispersions; dynamic; eudragit; film; formation; interactions; measured; measurements; minimum; molar; molar refraction; plasticizer; polymer; ray; refraction; results; sebacate; surface; temperature; tension; values
- versions: original; plain text
- hjic-1063
- author: Lipus, L. C.; Krope, J.; Garbai, L.
- title: MODIFIED SCALE CRYSTALLIZATION AND DISPERSION STABILITY IN MAGNETIC WATER TREATMENT
- date: 2001-10-12
- words: 2382
- flesch: 54
- summary: Alternatively, the abundant precipitation of aragonite could be explained by Lorentz ion shifts, which have an influence on the value of ko and on the concentration of crystal - forming ions at the growing surface. Alternatively, the abundant precipitation of aragonite could be explained by Lorentz ion shifts, which have an influence on the value of ko and on the concentration of crystal - forming ions at the growing surface.
- keywords: aragonite; ca2; cac03; calcite; concentration; crystal; devices; dispersion; effects; electrical; factor; forming; growth; hydration; ions; layer; lorentz; magnetic; mechanism; mg2; mineral; modified; mwt; parameter; particles; potential; prevention; processing; scale; shifts; solid; solution; surface; table; treatment; water
- versions: original; plain text
- hjic-1064
- author: Sutiman, D.; Căilean, A.
- title: THE INFLUENCE OF WATER CONCENTRATION ON THE CORROSION OF LOW ALLOY STEELS IN THE SYSTEM METHANOL - ETHYLENE GLYCOL - FORMIC ACID
- date: 2001-10-12
- words: 1981
- flesch: 64
- summary: The behaviour of three types of steel with a variable carbon content (from 0.2 to 0.4%) is studied in medium of methanol - 10% ethylene glycol- 8% formic acid with water concentration between 2% to 10%. The corrosion final compounds, for every value of water concentration, were insoluble in the system.
- keywords: acid; chemical; composition; compounds; concentration; corrosion; curves; dissociation; ethylene; formic; h20; layer; lorentz; medium; metallic; methanol; ol60; organic; parameters; passive; polarisation; process; steel; system; table; values; water
- versions: original; plain text
- hjic-1065
- author: Gergely, S.; Vatai, G.; Békássy-Molnár, E.
- title: ARSENIC, ZINC AND MAGNESIUM ION REMOVAL FROM WATER BY NANOFILTRATION, MODELLING OF REJECTIONS
- date: 2001-10-12
- words: 2651
- flesch: 60
- summary: [7] modelled the salt rejection of nanofiltration membranes. 7. HAGMEYER G., GIMBEL R. : Modelling the salt 25 rejection of nanofiltration membranes for ternary ion mixtures and for single salts at different pH values.
- keywords: arsenic; as(v; coefficients; concentration; desai; drinking; equations; feed; fig; flux; individual; influence; ions; measured; measurements; membrane; model; nanofiltration; oxidation; parameters; permeate; pressure; range; regression; rejection; removal; resistance; results; solution; table; temperature; utc-60; water
- versions: original; plain text
- hjic-1066
- author: Koltsov, N. I.; Keil, F. J.
- title: MULTIPLICITY OF STEADY STATES AND THE SHAPES OF ITS EXHIBITING IN CATALYTIC REACTIONS KINETICS
- date: 2001-10-12
- words: 4320
- flesch: 68
- summary: The purpose of the presented review is the analysis of the existing approaches and mathematical methods for the investigation of the critical phenomena of a type of multiple steady states in kinetics of catalytic reactions Keywords: multiplicity; steady state; hysteresis; self-crossing; breakdown; isola; mushroom; catalytic reaction; kinetics; step scheme. Therefore, for describing breakdown it is quite enough to have reaction schemes giving self-crossing of kinetic curves.
- keywords: akad; alexeev; b.v; branch; breakdown; bykov; carbon; catalyst; catalytic; components; concentration; conditions; criterion; critical; crossing; curve; dependencies; dokl; existence; fig; following; form; g.s; hydrogen; hysteresis; intermediate; investigation; isola; kinetic; koltsov; kozhevnikov; monoxide; mss; mushroom; n.i; nauk; oxidation; papers; parameter; platinum; point; rate; reaction; russian; scheme; self; shapes; sssr; states; steady; steps; substances; v.i; v.kh
- versions: original; plain text
- hjic-1067
- author: Németh, Á. S.; Szajáni, B.; Márczy, J. S.; Simon, M. L.
- title: A NOVEL METHOD FOR ISOLATION OF LIPOXYGENASE-1 ISOENZYME FROM SOYBEAN MEAL
- date: 2001-10-12
- words: 1892
- flesch: 67
- summary: The essential step of the procedure is the selective heat treatment of soybean meal extract at 70 C in a medium of 0.05 ionic strength and pH 5.2 for 5 min. Ion Exchange Chromatography Anion exchange chromatography of heat treated soybean meal extract was performed according to Axelrod et al.
- keywords: acid; acta; activity; axelrod; buffer; cellulose; chromatography; deae; electrophoresis; extract; gel; heat; isoenzymes; isolation; lipoxygenase; lox-3; meal; method; page; phosphate; protein; purification; selective; sodium; soybean; treatment
- versions: original; plain text
- hjic-1068
- author: Hasznos-Nezdei, M.; Pallai-Varsányi, E.
- title: DRYING PROCESS AND RESOLUTION OF ALKALI SILICATE POWDERS
- date: 2001-10-12
- words: 3284
- flesch: 55
- summary: In Certain special cases water-glass powders are used instead of water-glass solutiOtlS. The powderlike products are made by different drying processes from the appropriate solutions [4-7]. The hydrated water-glass powders of given moisture content are produced by different drying processes.
- keywords: air; alkaline; amorphous; bed; characteristics; coating; conditions; content; degree; dehydration; different; dryer; drying; effect; final; glass; glass powders; glass solutions; high; hydrated; inert; mass; module; moisture; moisture content; msb; na20; packing; particles; powderlike; powders; process; products; resolution; samples; si02; silicate; silicate solutions; sodium; solid; solutions; spouted; structure; table; temperature; water
- versions: original; plain text
- hjic-1069
- author: Gulyás, L.; Deák, G.; Kéki, S.; Horváth, R.; Zsuga, M.
- title: INVESTIGATION OF THE INDUSTRIALLY APPLICABLE SYNTHESIS OF IMINODIACETIC ACID
- date: 2001-10-12
- words: 3611
- flesch: 47
- summary: Iminodiacetic acid can be manufactured from the following starting materials: a. hydroxyacetonitrile b. hydrogen cyanide and urotropine c. diethanolamine d. monochloroacetic acid Table 1 Preparation of iminodiacetic acid Starting material Reagent added Yield,% Hydroxyacetonitrile NaOH, H3N 74 HCN,HMTA Diethanolarnine CICH2-COOH H~ 90 Glycine, NaOH 45 Glycine, NaOH > The most economical procedure for the industrial preparation of iminodiacetic acid involves aminolysis of monochloroacetic acid, where the starting materials are monochloroacetic acid, ammonia and Ca(OH)2.
- keywords: acid; ammonia; apparent; brutto; calcium; change; chemical; chloride; concentration; conditions; consecutive; constants; conversion; determination; equation; excess; figure; formation; glycine; glycolic; hydroxide; iminodiacetic acid; logarithm; mixture; monochloroacetic acid; order; page; pat; present; process; rate; rate constants; reaction; relative; solution; system; temperature; time
- versions: original; plain text
- hjic-107
- author: Nagy, M.; Szánya, T.; Molnár, Z.; Turza, G.; Gál, G.; Hanák, L.; Argyelán, J.; Aranyi, A.; Temesvári, K.; Horváth, Z.
- title: Separation of Organic Compounds by Gradient Simulated Moving Bed Chromatography
- date: 2006-09-01
- words: 2788
- flesch: 64
- summary: The function of segment III is to separate steroid A and B and to produce steroid B in the LROUT flow. We fed the mixture of steroid A and B into the third segment, the steroids were soluted in pure dichloromethane because this improved the solution of the steroids and helped us to use gradient SMB.
- keywords: acetone; adsorption; bmg; case; chromatogr; cm3; column; component; concentration; configuration; consumption; dichloromethane; eluent; extract; feed; fig; flow; fresh; gradient; hplc; iii; liquid; lrout; m b; measurement; min; morbidelli; outlet; productivity; purity; raffinate; results; segment; separation; simulation; smb; steroid; switching; table; time
- versions: original; plain text
- hjic-1070
- author: Gulyás, L.; Deák, G.; Kéki, S.; Horváth, R.; Zsuga, M.
- title: SYNTHESIS OF IMINODIACETIC ACID IN A CASCADE REACTOR
- date: 2001-10-12
- words: 2075
- flesch: 46
- summary: As previous experimental data have shown, the conversion into iminodiacetic acid can be raised by increasing the concentration of glycine (and at the same time, each of the proportion of formation of glycolic acid and the reaction time is decreasing), an amount of concentrated aqueous solution of the calcium salt of monochloroacetic acid equal with the glycine- content is added to the mixture, which has been previously freed from ammonia. During the investigation of the industrial synthesis of iminodiacetic acid our important recognition is that glycine, produced together with the desired iminodiacetic acid, can be converted with monochloroacetic acid to iminodiacetic acid after removal of the excess of ammonia from the reaction mixture.
- keywords: acid; ammonia; average; calcium; cascade; concentration; conversion; elements; equation; glycine; iminodiacetic; iminodiacetic acid; industrial; mixture; monochloroacetic; monochloroacetic acid; number; optimization; optimum; price; production; reaction; reactor; residence; second; system; time; volume
- versions: original; plain text
- hjic-1071
- author: Hancsók, J.; Varga, Z.; Szirmai, L.
- title: ADVANTAGEOUS AND DISADVANTAGEOUS PROPERTIES OF DIESEL FUELS OF LOW SULPHUR AND REDUCED AROMATIC CONTENT
- date: 2001-10-12
- words: 1954
- flesch: 46
- summary: [1 - 9): • reduction in the emission of acid rain precursor substances (S02, NOJ and particulates • reduction in the rate of the decrease in the total basic number of lubricating oil by lowering the amount of combustion products of nitrogen and sulphur compounds having acid character • reduction in the rate of increasing the viscosity by lowering the formation of particulates which can get into the lubricating oil • longer lubricating oil drain intervals are possible because of the lower solids formation and by reserving the base content of the lubricating oil for an extended period • by applying diesel fuels of low sulphur content, the total base number (TBN) of the lubricating oil can be reduced, consequently ash containing detergent· dispersant additives may be applied in lower level and the lower ash level contributes to operating of the exhaust treating catalysts and particulate filters more effectively and for a longer period • the lubricity improver additives are applied to diesel fuels not merely for reducing the wear of the fuel pump but it results in the same effects on different parts of the combustion chamber increasing the lifetime of the engine • the reduction in the NO content of exhaust gases contributes to decreasing the ozone problems in the upper air (where the problem is the ozone depletion} 58 Table ADVANTAGEOUS AND DISADVANTAGEOUS PROPERTIES OF DIESEL FUELS OF LOW SULPHUR AND REDUCED AROMATIC CONTENT J. HANCSOK, Z. VARGA, L. SZIRMAI1 (Department of Hydrocarbon and Coal Processir.g, University ofVeszprem, P.O. Box 158, VeszpremH-8201 HUNGARY 1MOL, Hungarian Oil & Gas Co., Danube Refinery, Department of Research and Development, P.O. Box 1, SzazhalombattaH-2443 HUNGARY) Received: AprillO, 2001 In the paper the different quality grades of diesel fuels of low sulphur and reduced aromatic content are summarized (on the base of various degrees of reduction in sulphur and aromatic content).
- keywords: applied; aromatic; catalyst; content; data; diesel; disadvantages; emission; exhaust; experiments; fuel; gas; hda; hds; hfrr; low; lower; lubricity; max; oil; products; properties; quality; reduction; requirements; results; sulphur; sulphur content; system; table
- versions: original; plain text
- hjic-1072
- author: Luus, R.
- title: TOWARD GLOBAL OPTIMIZATION OF A DIFFICULT OPTIMAL CONTROL PROBLEM
- date: 2001-10-12
- words: 2172
- flesch: 68
- summary: When the number of time stages is small, then the optimal control policy can usually be readily obtained either by iterative dynamic programming [2,3) or with the LJ optimization procedure [4}. However, there are some problems where the structure of the optimal control policy changes quite substantially when the number of time stages is increased.
- keywords: control; dip; dips; equal; global; index; length; local; luus; number; optima; optimization; optimum; performance; policy; problem; stages; system; time; use; value
- versions: original; plain text
- hjic-1073
- author: Storey, C.
- title: LEAST SQUARES AND THE MATRIX RICCATI EQUATION
- date: 2001-10-12
- words: 2064
- flesch: 78
- summary: Received: July 26, 2001 There are a number of methods for least squares and total least squares solution of linear equations. In ( 11 five different ucandidaten solutions are obtained and one of them X =f-2.486~-Q.529.-0.l94.1.616,3.455t (5) is proposed as the best LS solution according to a number of statistical criteria.
- keywords: algebraic; algorithm; amre; appropriate; data; equation; example; group; linear; matrix; method; newton; norm; page; problems; residual; riccati; solution; squares; sums; table; tls; total; tsl; value
- versions: original; plain text
- hjic-1074
- author: Fan, L.T.; Bertók, B.; Friedler, F.; Shafie, S.
- title: MECHANISMS OF AMMONIA-SYNTHESIS REACTION REVISITED WITH THE AID OF A NOVEL GRAPH-THEORETIC METHOD FOR DETERMINING CANDIDATE MECHANISMS IN DERIVING THE RATE LAW OF A CATALYTIC REACTION
- date: 2001-10-12
- words: 5216
- flesch: 59
- summary: Methodology The current methodology for identifying the stoichiometrically complete mechanisms for a given overall reaction is based on the two sets of axioms, one being the set of 6 axioms of feasible reaction pathways and the other being the set of 7 axioms of combinatorially feasible networks, as well as on the graph representation of reaction steps irt terms of P- graphs. Synthesizing the networks of elementary reactions is exceedingly convoluted due to the combinatorial complexity arising from the fact the number of elementary reactions involved usually far exceeds that of available elementary balances, which is only 2 for the ammonia synthesis.
- keywords: active; acyclic; algorithms; ammonia; available; axioms; candidate; case; catalysis; catalytic; chemical; chern; combinatorial; comment; current; elementary; elementary reactions; end; eng; exact; exc; feasible; fig; final; graph; identification; inc; independent; law; mechanisms; method; network; nh3; nh£; number; nz£; overall; page; pathway; plausible; precursors; problem; process; rate; reaction; reaction steps; return; sellers; set; species; starting; steps; stoichiometrically; synthesis; table; targets
- versions: original; plain text
- hjic-1075
- author: Alexeev, B.V.; Koltsov, N.I.; Keil, F.J.
- title: COMPUTER CONSTRUCTION OF CHEMICAL REACTION MECHANISMS
- date: 2001-10-15
- words: 3392
- flesch: 66
- summary: = -1, V31 =V41 =v12 =vzz =wn =wzl =w31 =0 allows one to write down a mechanism and chemical formulas of reactants and intermediate substances in the following form N0+2X 1 = X 2 +X3 , CO+X 2 = = C02 + X 1 , NO+X 3 =N2 +X 2 , X 1 =Zp X 2 =Z1P2P3 1 , X 3 =Z1 Jl-Pz- 1~, CO=P3 ,C02 =P2,NO=~,N2 =~ 2P2- 2~2 • Species:=rowdim(SpeciesVector): lprint('Species founded',Species): lprint('Species vector'): print( Species Vector): if ( { op(Intermediates Vector)} intersect { op(SpeciesVector) })<>{} then ERROR('Intermediates vector' ,Intermediates Vector, 'of step scheme', StepScheme, 'and species vector',Species Vector,' ofbrutto reaction' ,Brutto, 'must have zero intersection', { op(Intermediates Vector)} intersect { op(Species Vector)}) fi; 'c-c_':=njatrix(Brutos,Species,[seq([seq(coeff(op(l, BruttoScheme[i])-op(2,BruttoScheme[i]), SpeciesVector[j,l]),j=l .. Species)],i=l .. Brutos)]): lprint('Stoichiometric matrix ofbrutto reaction step scheme, c-c_ '); print('c-c_ '); # Step 6 Conservation laws beta beta:=transpose(matrix([op(kernel('c-c_'))])): BruttoLaws:=coldim(beta): lprint('Brutto conservation laws founded' ,BruttoLaws ); if BruttoLaws>O then !print(' Conservation laws matrix, beta'); print(beta) fi: # Step 7 Routes r r:=matrix([op(kernel(transpose('c-c_ ')))]): BruttoRoutes:=rowdim(r): lprint('Brutto routes founded', BruttoRoutes); if BruttoRoutes>O then lprint('Brutto routes matrix'); print(r) fi; # Step 8 Stoichiometric matrix b-b_ RowSp:=matrix([ op(rowspan(' c-c_ ')) ]): u:=array(l ..
- keywords: 2co; algorithm; alpha; b_)*beta; basic; beta; brutto; bruttoscheme:=[2*c0; c02; chemical; coefficients; components; conservation; following; formulas; intermediates; laws; linear; matrices; matrix; mechanism; numbers; print; program; reactants; reaction; routes; russian; scheme; set; solution; species; step; stoichiometric; substances; vector
- versions: original; plain text
- hjic-1076
- author: Patmar, E. S.; Alexeev, B. V.; Koltsov, N. I.; Keil, F. J.
- title: ESTIMATION OF STEADY STATES NUMBER OF ONE-ROUTE CATALYTIC REACTIONS
- date: 2001-10-15
- words: 2285
- flesch: 75
- summary: This means that the existence of one reversible step in reaction schemes having a great number of ISS is not only a necessary [6] but also a sufficient condition. 87-90 (2001) ESTIMATION OF STEADY STATES NUMBER OF ONE-ROUTE CATALYTIC REACTIONS E. S. PATMAR, B. V. ALEXEEV, N. I. KOLTSOV and F. J. KEIL1 (~epartment of Physic~ Chemi~try o!
- keywords: catalytic; different; equations; form; increase; intermediate; iss; koltsov; molecularity; n-1; number; rate; reaction; reversible; route; russian; scheme; solutions; states; steady; steps; substances; system
- versions: original; plain text
- hjic-1077
- author: Szukiewicz, M.; Petrus, R.
- title: APPROXIMATE MODELS APPLICATION FOR MODELLING OF FIXED BED REACTORS
- date: 2001-10-15
- words: 1941
- flesch: 55
- summary: [2], have presented a number of approximate models, but their accuracy for diffusion and reaction processes are unsatisfactory for a wide range of Thiele modulus and time. Approximate model This model is based on the concept of approximate model for the pellet.
- keywords: accuracy; approximate; bed; catalyst; coefficient; concentration; diffusion; equations; fixed; good; heterogeneous; linear; mass; method; model; modulus; pellet; processes; rate; reaction; reactor; results; single; solution; state; steady; thiele; time; transfer
- versions: original; plain text
- hjic-1078
- author: Heyden, A.; Düren, T.; Kolkowski, M.; Keil, F. J.
- title: DESIGN OF A PRESSURE SWING ADSORPTION MODULE BASED ON CARBON NANOTUBES AS ADSORBENT – A MOLECULAR MODELING APPROACH
- date: 2001-10-15
- words: 6107
- flesch: 62
- summary: The Darken factor can be obtain~d from equilibrium adsorption isotherm data. (40- 47)) one needs to know equilibrium adsorption data q;, effective pore diffusion coefficients D~.~: and an a..xial dispersion coefficient Dax.
- keywords: acceptance; adsorbed; adsorbent; adsorption; assumption; atom; axial; bar; bed; canonical; carbon; chemical; cnt; coefficient; component; concentration; conditions; configuration; constant; cycle; data; diameter; diffusion; dispersion; energy; equilibrium; ethane; feed; following; gas; grand; high; like; mass; model; molecular; molecule; moves; nanotubes; new; number; old; orientation; page; paper; particle; phase; pore; potential; present; pressure; probability; process; psa; purge; quaternion; random; resistance; rosenbluth; segment; set; simulated; simulation; species; step; system; temperature; time; total; transfer; trial; velocity; volume; weight
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- hjic-1079
- author: Herrmann, N.
- title: B-SPLINES CONTRA BÉZIERSPLINES
- date: 2001-10-16
- words: 3060
- flesch: 78
- summary: 1 N nz; = , l = , ... , X; -xi-! For cubic splines (l=3) we have to find 2 equations more.
- keywords: algorithm; behaviour; bernstein; bezier; beziersplines; boor; casteljau; comonotone; curve; data; definition; degree; following; function; important; interpolation; intervals; knot; linear; operator; page; points; polynomials; preserving; properties; r-1; sequence; shape; splines; theorem
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- hjic-108
- author: Gyenis, J.; Dencs, J.; Nős, G.; Marton, G.
- title: A Study on the Rate and Mechanism of Thermal Degradation of Starch in Production of Flocculants
- date: 2006-09-01
- words: 5260
- flesch: 51
- summary: The authors gratefully acknowledge the financial support provided by the Hungarian National Research and Development Programme in carrying out the project on production and application of environmental-friendly starch derivatives (Grant No. NKFP 2001-3/072) SYMBOLS Mi = molecular weight interval or category, characterized by their lower and upper molecular weight limits in MDa, - P = mass transition probability matrix defined by Eqn.1 Pj,i = mass fraction transition probability from molecular weight interval i to interval j, on weight basis, w/w/min Pi = degradation probability of the molecules being in the ith molecular weight interval, on weight basis, w/w/min p(tn) = state probability vector describing the expectable distribution of the material between different molecular intervals at time tn,, w/w pi(tn) = probability that the unit weight fraction of the material is in the ith molecular weight interval at time tn , w/w xi = expected weight fraction being in the ith molecular weight interval at a time, w/w Δxi,j = expected weight fraction transition from the ith to the jth molecular weight interval during a Δt time step, w/w Δt = time step, min INDICES As is seen from the direction of the arrows, only degradation is considered here, i.e. transitions from higher molecular weight intervals to the lower ones can take place only.
- keywords: analysis; calculated; categories; category; chain; chem; chemical; conditions; data; degradation; different; distribution; end; eng; evolution; experiments; figure; flocculants; fractions; fragments; function; high; initial; intervals; lower; material; mda; measured; mechanism; min; model; molecular; molecular weight; molecules; original; polymer; possible; probabilities; probability; process; product; random; range; rate; reaction; samples; scission; soluble; splitting; starch; stochastic; study; temperatures; time; transition; treatment; values; weight; weight distribution
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- hjic-1080
- author: Jokić, A.; Zavargó, Z.
- title: OPTIMIZATION OF PIPELINE NETWORK FOR OIL TRANSPORT
- date: 2001-10-16
- words: 2191
- flesch: 81
- summary: for pipe network paths lc number of sections in a given path L node height, m L~ equivalent height, m Finally, a path is defined as the sequence of pipe sections between an inlet (source) and outlet (consumer) from the network.
- keywords: case; constrains; cost; diameter; function; k;x; network; nonlinear; number; objective; oil; optimization; path; pipe; pipeline; pressure; results; section; smooth; table; transport; unknown; values; weight
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- hjic-1081
- author: Ujhidy, A.; Bucsky, G.; Németh, J.
- title: NEW POSSIBILITIES FOR THERMAL WATER TREATMENT
- date: 2001-10-16
- words: 3026
- flesch: 57
- summary: The heating of homes with thermal water has raised a number of technical-financial problems, so now only secondary utilization seems to be economical. Characterization of thermal waters The definition of mineral and medicinal waters was modified several times in the previous century.
- keywords: acid; addition; bubble; ca(oh)2; calcium; carbon; carbonate; chemical; depth; dioxide; energy; excess; experiments; filter; gas; geothermal; magnesium; margitsziget; medicinal; mineral; mixing; new; operation; point; potential; precipitate; precipitation; presence; pressure; products; scaling; sodium; surface; suspension; temperature; thermal; thermal water; total; treatment; tube; utilization; water; zalakaros
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- hjic-1082
- author: Drégelyi-Kiss, Á.; Kemény, S.
- title: OBTAINING QUANTITATIVE INFORMATION ON THE FLUCTUATION OF THE ACTIVE INGREDIENT CONTENT IN DRUGS – WHAT WOULD THE CUSTOMER FIND
- date: 2001-10-16
- words: 2858
- flesch: 65
- summary: Keywords: nested design, Satterthwaite-approximation, confidence intervals, variance components, drug analysis Introduction In pharmaceutical industries there are strict guidelines to check the manufacturing processes in order to assure the steadiness of quality. It is important to estimate variance components ( <J~, ai(A) and cr;) in order to split the variance of the process into different parts.
- keywords: active; analysis; approximation; average; batch; batches; chemical; content; customer; degrees; effect; end; error; fraction; ingredient; interval; mean; measured; measurement; method; middle; number; probability; random; range; related; repetitions; sampling; satterthwaite; squares; table; value; variance
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- hjic-1083
- author: Abonyi, J.; Chován, T.; Szeifert, F.
- title: IDENTIFICATION OF NONLINEAR SYSTEMS USING GAUSSIAN MIXTURE OF LOCAL MODELS
- date: 2001-10-16
- words: 3519
- flesch: 62
- summary: Fuzzy models use if-then rules to describe the process through a collection of locally valid relationships. As Eq.(7) and Eq.(3) show, fuzzy models are identical to operating regime based models as the operating region of the local linear models are defined by the normalized rule fulfillments: W; {3i(xk) r (8) l:wi /3;(XA)
- keywords: -th; = l; algorithm; cluster; data; dynamic; expectation; function; fuzzy; fuzzy model; gaussian; identical; identification; input; likelihood; local; local models; matrix; maximization; membership; method; mixture; model; modeling; nonlinear; operating; page; paper; parameters; probability; process; regime; rule; section; set; sets; step; sugeno; system; takagi; tank; variable; vector; y(k
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- hjic-1084
- author: Kollár, G.; Syposs, Z.; Viczián, G.; Mészáros, L.; Kollár-Hunek, K.
- title: QUALITY MANAGEMENT SYSTEM AS A TOOL OF PROCESS CONTROL FOR FOOD AND AGRO INDUSTRIES
- date: 2001-10-16
- words: 2311
- flesch: 57
- summary: Keywords: Quality Management, ISO 9001:2000, customer requirements and satisfaction, Internet forms, food and agro industries Introduction A great number of prescription, rules, standards and monitoring practices are ensuring from farm to fork, that the food we eat becomes and remains safe and healthy, free from harmful substances, such as microbes or chemicals Internet methods and experiences in identification and analysis of customer requirements and satisfaction Using our quality audit experiences, two Internet ~uesti?nnaire
- keywords: 9001:2000; agro; approach; assurance; consumption; control; copy; customer; data; elements; evaluation; food; form; group; hard; important; information; internet; iso; kollar; management; methods; new; organisation; procedures; process; qms; quality; replies; requirements; satisfaction; shopping; standards; statistical; system; technology
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- hjic-1085
- author: Kocsis, Z.; Baladincz, J.; Bartha, L.; Hancsók, J.
- title: POSSIBILITIES OF THE APPLICATION OF POLYISOBUTENYL SUCCINIC ANHYDRIDE DERIVATIVES OF VARIOUS MOLECULAR STRUCTURES
- date: 2001-10-16
- words: 1494
- flesch: 51
- summary: Keywords: ashless dispersants, detergents, polyisobutenyl succinic anhydride derivatives, interactions of additives Introduction The first innovations about polyalkenyl succtmc anhydride derivatives, used as ashless DD additives in engine oils, were published in the 60's. Polyisobutenyl succinimides Experimental The interactions between performance additives were studied extensively [7].
- keywords: + +; additives; anhydride; based; blends; bsi; calcium; copolymer; derivatives; detergent; engine; interactions; main; molecular; oils; pat; performance; phenate; pib; polyalkenyl; polyisobutenyl; polysuccinimide; properties; succinic; succinimides; sulphonate; table; welding
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- hjic-1086
- author: Viczián, G.; Molnárné-Jobbágy, M.; Heszberger, J.; Kollár-Hunek, K.
- title: EXPLOSION AREAS OF FLAMMABLE SUBSTANCES AND THEIR NUMERICAL APPROXIMATION
- date: 2001-10-16
- words: 2337
- flesch: 56
- summary: Keywords: ternary flammable systems, inerting, explosion areas, spline curves and surfaces, 2D and 3D visualisation Introduction the minimum required inert gas content of the binary inert·oxidlsing gas system which is necessary to avoid an expJostt.m, Similarly, the ICR line gives a limiting ratio between 144 Table I Characteristic values for explosion area of ternary systems containing flammable gas I inert gas I oxidising gas Acronym in CHEMSAFE .Qescripdon Lower Explosion Limit LEL UEL ICR JAR Upper Explosion Limit Minimum Inert gas I Combustible Ratio Minimum Inert gas I AIR (Oxidising gas) Ratio' MXC MaXimum permissible Amount of Combustible MAI Minimum required Amount of Inert gas MOC or LOC Maximum Oxygen (Oxidising gas) Content or Limiting Oxygen Concentration Explosion .range :Meth.ne!Nitroal:llfAir • !
- keywords: air; areas; bam; comonoton; curves; explosion; extended; flammable; gas; gases; icr; inert; interpolation; isobaric; isothermal; level; minimum; mpa; nitrogen; oxidising; parametric; program; software; spline; surfaces; system; table; ternary; tes; traditional; triangle; trigon; vector; visualisation
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- hjic-1087
- author: Papo, A.; Piani, L.
- title: RHEOLOGY OF ALUMINA SLIPS
- date: 2001-10-16
- words: 3539
- flesch: 61
- summary: In the light of what said above, the knowledge and control of the rheological properties of alumina suspensions is of paramount importance for improving both the production processes and the quality of final products. This article is part of a research program which has been undertaken in order to thorougly characterise the rheological behaviour of alumina suspensions under both continuous and oscillatory flow conditions.
- keywords: addition; alumina; alumina suspensions; behaviour; casson; cod; concentrated; concentration; conditions; constant; continuous; curves; eqn; equation; fitting; flow; fraction; model; order; oscillatory; page; parameters; particle; polyphosphate; presence; quemada; rate; reduced; rheological; rheology; shear; slips; sodium; solid; std; stress; suspensions; table; type; values; variation; viscosity; volume; wt%; yield
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- hjic-1088
- author: Herner, K.; Rédei, J.; Tamaska, L.; Vizi, Sz.; Rédey, Á.
- title: APPLICATION OF LIFE-CYCLE ASSESSMENT FOR A PHARMACEUTICAL PRODUCT
- date: 2001-10-16
- words: 3251
- flesch: 52
- summary: which environmental effects are bigger (normah7.ationJ. the relative importance of the effects tvalUJ!f\lnl. Results Dragee form packaged in glass bottles Environmental effects of the dragee production are connected to the production of the effective substance and the packaging.
- keywords: acidification; aluminium; analysis; blister; carcinogenic; contribution; covering; cycle; data; dragee; effective; effective substance; effects; elementary; emission; energy; environmental; environmental effects; form; generation; glass; heavy; histogram; indicator; injection; life; materials; metal; method; packaging; pharmaceutical; problems; production; products; significant; stages; substance; substance production; waste
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- hjic-1089
- author: Capel, F. M.; Hervella Rodríguez, F.; García de Jalón Lastra, D.; Sainz de los Terreros, M.
- title: ASSESSING IMPACTS OF A HYDROPOWER PLANT: EBRO RIVER, SPAIN
- date: 2000-10-15
- words: 4442
- flesch: 70
- summary: The great reduction of fish biomass is explained by the loss of the basic food for the principal species. The same as the carp, Carassius auratus prefers slow water habitats, and it was captured by nets only in 1995.
- keywords: annual; aquatic; area; assemblage; available; barbus; benthic; biomass; changes; chondrostoma; classes; cpue; data; density; different; ebro; electrofishing; fast; fauna; fish; flow; flow regime; graellsii; habitat; important; length; loss; mean; natural; nets; number; plant; populations; reach; reduction; regime; relative; results; river; september; slow; species; study; survey; terms; toxostoma; trammel; unit; water; weight; year
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- hjic-109
- author: Kozma, L.; Nyeste, L.; Szentirmai, A.
- title: Optimization Problems of Fermentor Aeration-Agitation System
- date: 2006-09-01
- words: 3407
- flesch: 38
- summary: Consequently, the optimization of agitation system is a very important factor but it is only partially provided by scale-up using pilot plant data and similarity criteria. This is the reason why we need newer methods for optimization of aeration- agitation systems for large-scale fermentation vessels by agitators equipped with changeable flow modifying parts.
- keywords: adequate; agitation; agitation systems; agitators; air; application; better; broths; capability; characteristics; circulation; complex; diameter; differences; dispersion; efficiency; experimental; fermentation; flow; impellers; input; large; levels; mass; medium; microorganisms; newer; number; optimization; oxygen; power; problems; propeller; properties; requirements; results; rushton; scale; shear; size; systems; transfer; turbines; velocity; vessels; viscosity; volume
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- hjic-1090
- author: Gwehenberger, G.; Erler, B.; Schnitzer, H.
- title: GOING FOR ZERO
- date: 2000-10-15
- words: 3410
- flesch: 60
- summary: Table 1 Simplified input/output table of a steel mill Output: Steel waste water used air solid waste partially sold, reused and recycled Input: %out %out %out %out of% of% of% of% Scrap iron 85 0 0 15 100 100 100 . · Production of Medical Infusion Solutions: The main emission is waste water in drinking water quality at a temperature of about 40°C.
- keywords: able; air; austria; case; ced; chemical; coating; cod; companies; company; cooling; data; dish; electric; emission; energy; exhaust; flow; fresh; gas; graz; heat; industrial; information; input; main; mass; materials; mobile; necessary; plant; pond; problems; process; processes; production; quality; raw; small; solution; steam; steel; studies; study; supply; temperature; waste; wastewater; water
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- hjic-1091
- author: Gyovai, A.; Kiss, I.
- title: DATA ORGANISATION AND MODELLING EXPERIENCES IN BUDAPEST AIR QUALITY MANAGEMENT
- date: 2000-10-15
- words: 2645
- flesch: 46
- summary: Fig.3 The steps involved in manipulating raw source and emissions data into an ADMS-Urban file Inability to obtain the ideal range and depth of activity data required for using the most accurate emissions factors (such as speed of traffic flows, type and efficiency of combustion unit). - Uncertainties in the geographical resolution at which activity data is available: for instance, data only available at the level of the · city administrative unit, or even pertaining to the entire city, province or country. - Uncertainties associated with primary activity data, including: errors associated with traffic model vehicle flow estimates, under-reporting in fuel sales data, specific deficiencies in the reporting of emissions data from industrial processes.
- keywords: activity; adms; air; air quality; area; atmospheric; boundary; budapest; case; data; database; different; dispersion; domestic; emissions; emissions inventory; environmental; factors; grid; industrial; information; input; inventories; inventory; layer; line; ltd; management; model; modelling; monitoring; point; pollutants; project; quality; quality management; raw; road; sources; specific; system; toolkit; traffic; transport; urban; use; vehicle
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- hjic-1092
- author: Holló, A.; Hancsók, J.; Gergely, J.; Perger, J.
- title: PRODUCTION OF ENVIRONMENTALLY FRIENDLY GASOLINE BLENDING COMPONENTS
- date: 2000-10-15
- words: 2921
- flesch: 53
- summary: However, gasoline blending components containing significant amount of aromatic compounds (e.g. reformate, pyrolisys gasoline, etc.) largely contribute to the gasoline pool even nowadays, since their high research octane number greatly helps in the production of unleaded motor gasoline having excellent anti-knock property. This light fraction has low octane number, thus it cannot be used as gasoline blending component without any conversion.
- keywords: activity; aromatic; benzene; blending; catalyst; components; composition; compounds; content; dimethylbutane; emission; environmental; feed; fractions; gasoline; heptane; hexane; hydrocarbons; hydrogen; isomerate; isomerisation; lhsv; light; liquid; motor; mtbe; number; octane; page; possible; process; production; products; properties; reformate; research; results; ron; table; temperature; total; use; vol; yield
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- hjic-1093
- author: Kováts, N.; Szalay, T.
- title: APPLYING GEOGRAPHICAL INFORMATION SYSTEMS IN WETLAND MANAGEMENT IN THE BALATON-HIGHLANDS NATIONAL PARK
- date: 2000-10-15
- words: 2318
- flesch: 57
- summary: Keywords: wetland inventory; wetland management; Geographical Information Systems Introduction Wetlands have been considered as wastelands or even nuisance. In this way area loss can be determined Of different layers of the digitised map, 19th century extension of the wetlands can give useful information, especially in comparison with recent wetland areas (Fig.2).
- keywords: aircraft; area; balaton; basin; data; different; digitised; extension; field; hungarian; information; inventory; landscape; loss; maps; national; park; past; pecsely; photos; remote; risk; sensing; small; sources; stressors; study; surveys; systems; topographic; types; use; vegetation; veszprem; water; wetlands
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- hjic-1094
- author: Mohai, I.; Szépvölgyi, J.; Tóth, M.
- title: RF THERMAL PLASMA TREATMENT OF A FLUE DUST FROM THE SIEMENS-MARTIN PROCESS
- date: 2000-10-15
- words: 3628
- flesch: 65
- summary: The high cooling rate in thermal plasmas does not make possible reactions involving liquid or solid phases. Fig.5 SEM micrographs of plasma reduced samples 4R (a) and4C (b)
- keywords: bulk; calculations; case; chemical; compositions; condensation; conditions; content; different; dust; energy; feed; feeding; flame; gas; high; higher; iron; kwh; lead; metallic; particle; phase; plasma; possible; powder; products; rate; ratio; reactor; reduction; region; research; run; samples; segregation; size; specific; surface; system; table; temperature; thermal; thermal plasma; treatment; wall; xps; xrd; zinc; zno
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- hjic-1095
- author: Petek, J.; Glavic, P.
- title: IMPROVING ECO-EFFICIENCY BY AUDITING STEAM AND CONDENSATE SYSTEMS
- date: 2000-10-15
- words: 3536
- flesch: 54
- summary: High pressure steam was needed for heating the air in the chambers and low pressure steam for cooking. 2. Review the operation of steam systems used only for occasional services.
- keywords: air; animal; boiler; cleaner; company; condensate; condensate system; consumption; control; costs; distribution; efficiency; energy; equipment; feed; flash; flue; fuel; gas; heat; heating; house; inefficient; investment; low; operating; options; page; payback; period; pressure; process; production; pump; receiver; recovery; savings; services; steam; system; table; temperature; traps; usd; valves; waste; water
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- hjic-1096
- author: Szlávik, J.; Füle, M.; Horváth, L.; Tamaska, L.
- title: PROTECTION AND DEVELOPMENT OF THE NATURAL AND BUILT ENVIRONMENT - SCENARIOS OF OMFB (NATIONAL COMMISSION FOR TECHNOLOGICAL DEVELOPMENT) TEP WORK GROUP
- date: 2000-10-15
- words: 5751
- flesch: 38
- summary: The future trends in environmental sanitation as a ·function of economic development, OMFB TEP study, 1998/99 (in Hungarian) 12. There is no stake to employ experts who can manage environmental issues on the merit, the regional environmental authorities will control the remediation processes.
- keywords: basis; central; competitiveness; countries; country; current; damage; decrease; development; different; economic; economy; education; end; energy; environmental; european; foresight; future; global; governments; growth; health; hungarian; hungary; impact; increase; issues; level; life; major; management; market; material; national; natural; new; omfb; omfb tep; opportunities; page; panel; polluting; pollution; principle; process; programme; protection; public; quality; regional; regions; resources; result; role; scenarios; short; social; spread; strong; study; sustainable; system; technological; technologies; technology; tep; term; tool; transition; transport; trends; union; use; world
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- hjic-1097
- author: Tolnai, B.; Gelencsér, A.; Prümke, H.; Möller, D.; Becker, H.; Dostler, M.; Hlavay, J.; Mészáros, E.
- title: ADVANTAGES AND DISADVANTAGES OF DIFFERENT SAMPLING TECHNIQUES FOR SAMPLING VOLATILE ORGANIC HYDROCARBONS IN AIR
- date: 2000-10-15
- words: 3024
- flesch: 51
- summary: In July and August 1998, air samples were collected over Berlin (Germany) on board of an airplane using stainless steel canisters V = 800 cm3, p = 3 bars. In July and August 1998, air samples were collected over Berlin (Germany) on board of an airplane using stainless steel canisters for the determination of 54 VOCs.
- keywords: advantages; air; alkanes; analysis; analytical; anthropogenic; aromatic; atmos; atmosphere; benzene; berlin; canisters; chromatograph; collected; compounds; concentration; detection; different; diffusive; emission; environ; environmental; flow; gas; germany; hydrocarbons; level; low; mass; method; min; monitoring; organic; pollution; range; sample; sampling; series; site; sorbent; sources; stainless; steel; system; table; techniques; temperature; time; toluene; tubes; veszprem; voc; volatile
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- hjic-1098
- author: Varga, Z.; Hancsók, J.; Kovács, F.
- title: PRODUCTION OF ENVIRONMENTALLY FRIENDLY DIESEL FUELS
- date: 2000-10-15
- words: 2700
- flesch: 60
- summary: The temperature range of the experiments was 320- 3600C, the pressure 40 bars; the liquid hourly space velocity (LHSV) varied between 1.0 h1 and 2.0 h-1 and the volume ratio of hydrogen-to-hydrocarbon was 200 dm3 dm3• 49 1400 1200 ~ 1000 1f ~ 800 <.> 600 ] ,9< :::1 400 --+-1 !;/) • 1,3 200 ... 1,6 • 2 0 320 330 340 350 360 Temperature, °C Fig.2 Effect of temperature and LHSV on the reduction of the sulphur content The properties of the feedstock and products were determined by standard tests methods: sulphur content by X-ray fluorescence spectrometry, aromatic content by HPLC (MSZ 10907/1998) and nitrogen content by the ASTM D 4629 method. The feedstock was a heavy gas oil fraction having sulphur content of 9300 ppm, nitrogen content of 217 ppm and total aromatic content of 27.5%.
- keywords: aromatic; change; components; content; diesel; effect; emissions; engine; european; experiments; fuels; gas; h-1; hdn; hds; hydrocarbon; hydrodesulphurization; lhsv; liquid; max; nitrogen; oil; parameters; point; ppm; process; products; quality; rate; reactions; reduction; requirements; results; sulphur; sulphur content; table; temperature; world
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- hjic-1099
- author: Vizi, Sz.; Herner, K.; Kneffel, D.
- title: IMPROVING ENVIRONMENTAL PERFORMANACE WITH LIFE-CYCLE ASSESSMENT
- date: 2000-10-15
- words: 2646
- flesch: 59
- summary: 55 Impact Effect Damage Valuation Fig.2 Weighting method for environmental effects [2] mPt ozone w.tmog •·•11109 pesticid enerw sefid •'carbinol .Magnesii.rmignots .TetraHF In Europe the Eco-lndicator method {made by the Dutch Pre Consultant) is used widely when we talk about environmental components.
- keywords: analysis; assessment; benzene; capable; case; change; chemical; cycle; database; different; eco; effects; energy; environmental; figure; hungary; ill; impact; indicator; international; lca; life; lower; management; method; mpt; new; page; performance; pollution; prevention; process; production; result; solvent; stage; toluene; tools; use; veszprem; waste
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- hjic-110
- author: Majerik, V.; Horváth, G.; Charbit, G.; Badens, E.; Szokonya, L.; Bosc, N.; Teillaud, E.
- title: Solid Dispersions of Oxeglitazar in PVP K17 and Poloxamer 407 by Supercritical Antisolvent and Coevaporation Methods
- date: 2006-09-01
- words: 5870
- flesch: 54
- summary: In solid solutions and solid dispersions drug molecules or very fine drug crystals are dispersed in a biologically inert and biocompatible matrix. In the late 80’s, supercritical fluid (SCF) processes appeared in drug formulation as an alternative to conventional processes [17-21].
- keywords: absorption; active; amorphous; analytical; antisolvent; badens; band; bonding; carrier; charbit; cm-1; co2; coe; coevaporate; coevaporation; content; coprecipitate; crystalline; dcm; dispersions; dissolution; drug; drying; excipient; fig; flow; fluids; formulations; france; ftir; gas; group; higher; hydrogen; inc; int; k17; limit; method; min; mixture; option; oxeglitazar; particle; pharm; pharmaceutical; phosphate; physical; poloxamer; powder; preparation; prepared; process; pvp; pvp k17; rate; raw; residual; sas; scanning; sem; size; solid; solid dispersions; solubility; solutions; solvent; spectra; spectroscopy; stable; studies; supercritical; techniques; xrd
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- hjic-1100
- author: Vlyssides, A. G.; Zorpas, A. A.; Karlis, P. K.; Zorpas, G. A.
- title: DESCRIPTION OF A PILOT PLANT FOR THE CO-COMPOSTING OF THE SOLID RESIDUE AND WASTEWATERS FROM THE OLIVE OIL INDUSTRY
- date: 2000-10-15
- words: 3592
- flesch: 52
- summary: A number of vegetation water treatment methods have recently been employed, especially in the Mediterranean area, and these can be divided into Physico-chemical and biological methods. Proceedings of futernational Conference in Olive oil processing wastewater treatment methods, Hania, Crete, Greece, 1991 2.
- keywords: agitator; air; analysis; area; balance; bioreactor; carbon; chemical; composting; conference; content; days; energy; extraction; feeding; fig; final; flow; greece; high; low; matter; methods; moisture; nitrogen; oil; olive; olive oil; operation; order; organic; page; period; plant; process; processing; production; rate; region; residue; solid; system; temperature; thermophilic; total; treatment; urea; vegetation; vegetation water; wastewater
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- hjic-1101
- author: Vonyó, A.; Tamaska, L.; Rédey, Á.
- title: NEW WASTE MANAGEMENT SYSTEM IN ZIRC AREA
- date: 2000-10-15
- words: 5147
- flesch: 51
- summary: While in the large majority of Western European countries significant achievements can be observed as far as prevention of waste generation, reuse, and recycling of solid wastes are concerned, the case in Hungary is quite different. Almost every Hungarian settlement has its own problem connected with solid wastes.
- keywords: aquifer; area; budapest; case; citizens; collection; composition; compostable; containers; data; different; disposal; drinking; environmental; facilities; fee; forestry; gas; generation; government; hazardous; high; household; hungarian; hungary; important; incineration; industrial; landfill; landfill site; large; local; main; management; materials; municipal; municipal solid; new; new waste; page; plant; policy; pollution; possible; program; public; recyclable; recycling; reduction; significant; site; small; solid; solid waste; source; supply; system; time; town; treatment; veszprem; waste; waste disposal; waste fee; waste landfill; waste management; water; way; zirc
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- hjic-1102
- author: Zsirai, I.; Kicsi, G.
- title: APPLICATIONS OF MEMBRANE TECHNOLOGIES IN WATER REUSE FIELDS
- date: 2000-10-15
- words: 3135
- flesch: 47
- summary: These features provide flexibility to a membrane plant, which m turn allows for treatment of a variety of streaniS. Keywords: prefiltration; pre-treatment; membrane technology; microfiltration; reverse osmosis; hollow fibre; ZeeWeed® membrane; wafer reuse and recycle Introduction The increased public concern over health and the e~vironment, the .increasingly stringent effluent dtscharge criteria, the limited water supplies for meeting prevailing and projected water demand at a specific location along with the increasing fresh water costs strongly affect the large industrial water consumers, such as the power industry. . Applications of MF & RO in Water Reuse Projects within the Power Industry Driven by unsatisfied user needs due to unreliable operation of the conventional · pre-treatment, technological development in the field of microfiltration and membrane manufacturing cost reductions due to increasing application of microfiltration membranes throughout the water and wastewater industry, microflltration is being increasingly applied to replace conventional boiler feed water pre-treatment processes.
- keywords: application; blow; boiler; case; cleaning; concentration; conductivity; conference; conventional; discharge; effluent; feed; fibre; high; hollow; immersed; industry; inside; lagisza; lake; membrane; microfiltration; modules; new; operation; osmosis; outside; page; paper; permeate; plant; power; pre; pressure; process; production; quality; raw; reuse; reverse; sewage; small; solids; source; study; system; technologies; technology; train; treatment; water; zeeweed
- versions: original; plain text
- hjic-1103
- author: Vozik, Dávid; Bélafi-Bakó, Katalin
- title: Combination of Chemical and Biological Methods for Effective Plant Protection
- date: 2020-12-12
- words: 1933
- flesch: 41
- summary: Entomopathogenic bacteria live in symbiosis with en- tomopathogenic nematodes [3,4]. Figure 2: The antagonistic effect of X. budapestensis against E. amylovora EA1 bacteria in an overlay test.
- keywords: activity; agar; antimicrobial; apple; bacteria; bakó; biological; bélafi; candida; chemical; compounds; control; doi; effect; entomopathogenic; fodor; fraction; hungary; important; insect; nematodes; nov; pathogens; pests; plant; protection; species; successful; test; vozik; xenorhabdus
- versions: original; plain text
- hjic-1104
- author: Komáromy, Péter; Bélafi-Bakó, Katalin; Hülber-Beyer, Éva; Nemestóthy, Nándor
- title: Enhancement of Oxygen Transfer through Membranes in Bioprocesses
- date: 2020-12-12
- words: 2766
- flesch: 46
- summary: In this paper, three different bioprocesses are presented where oxygen was supplied by membrane aeration: wastewater treatment by microbial consortia (i), itaconic acid fermentation by a single microorganism (ii) and an oxidative enzyme catalytic process for the elimination of glucose (iii). By comparing membrane aeration with traditional bubble aeration, another benefit can be recognized.
- keywords: acid; aeration; air; applied; bioprocesses; bioreactor; biotechnology; bubble; bélafi; certain; different; doi; engineering; enzymatic; enzyme; fermentation; food; gas; glucose; high; isbn; itaconic; liquid; membrane; microbial; new; oxygen; press; production; reaction; separation; silicone; special; surface; system; techniques; transfer; treatment; wastewater
- versions: original; plain text
- hjic-1105
- author: Lajtai-Szabó, Piroska; Nemestóthy, Nándor; Gubicza, László
- title: The Role of Water Activity in Terms of Enzyme Activity and Enantioselectivity during Enzymatic Esterification in Non-conventional Media
- date: 2020-12-12
- words: 2855
- flesch: 41
- summary: To provide constant reaction parameters, water activity should be kept constant. Water activity is an index which indicates how much water is accessible to the enzyme.
- keywords: acid; activity; bmim]pf6; bromopropanoic; candida; concentration; constant; content; conversion; different; dm−3; doi; effect; enantioselectivity; enzymatic; enzyme; esterification; gubicza; initial; ionic; lipase; liquids; maximum; media; medium; mol; organic; rate; reaction; rugosa; salt; solvents; water; water activity; water content
- versions: original; plain text
- hjic-1106
- author: Domonkos, Márk; Fink, Nándor
- title: Follow-up Control of a Second Order System in Sliding Mode
- date: 2020-12-12
- words: 5131
- flesch: 62
- summary: 13–21 (2020) hjic.mk.uni-pannon.hu DOI: 10.33927/hjic-2020-23 FOLLOW-UP CONTROL OF A SECOND ORDER SYSTEM IN SLIDING MODE MÁRK DOMONKOS *1 AND NÁNDOR FINK1 1Department of Mechatronics, Optics and Mechanical Engineering Informatics, Budapest University of Technology and Economics, Bertalan Lajos u. 4-6, Budapest, 1111, HUNGARY This paper deals with an instantaneous feedback controlled inverter using sliding mode control. Keywords: sliding mode control, hysteresis control, second order system, UPS 1.
- keywords: control; controller; current; dead; design; doi; electronics; equation; error; ey(t; fig; figure; filter; frequency; hysteresis; ieee; input; inverter; linear; load; main; method; mode; mode control; number; order; output; paper; parameters; period; power; problem; reference; relay; results; scalar; second; signal; simulation; state; structure; surface; switches; switching; system; thd; theory; time; trajectory; transient; ups; value; variable; vo(t; voltage; zone
- versions: original; plain text
- hjic-1109
- author: Jock, Alexander Asanja; Okon, Anietie Ndarake; Offor, Uchechukwu Herbert; Thomas, Festus; Agbanaje, Edmond Okwudilichukwu
- title: Adsorption of Nickel Ions from Petroleum Wastewater onto Calcined Kaolin Clay: Isotherm, Kinetic and Thermodynamic Studies
- date: 2020-12-12
- words: 3218
- flesch: 49
- summary: 45–49 (2020) hjic.mk.uni-pannon.hu DOI: 10.33927/hjic-2020-26 ADSORPTION OF NICKEL IONS FROM PETROLEUM WASTEWATER ONTO CALCINED KAOLIN CLAY: ISOTHERM, KINETIC AND THERMODY- NAMIC STUDIES ALEXANDER ASANJA JOCK *1 , ANIETIE NDARAKE OKON1 , UCHECHUKWU HERBERT OFFOR1 , FESTUS THOMAS2 , AND EDMOND OKWUDILICHUKWU AGBANAJE3 1Department of Chemical and Petroleum Engineering, University of Uyo, PMB 1017, Uyo, NIGERIA 2Department of Engineering Infrastructure, National Agency for Science and Engineering Infrastructure (NASENI), Idu Industrial Area, PMB 391, Garki-Abuja, NIGERIA 3Chemical and Petroleum Technique, Department of Science Laboratory Technology, University of Jos, PMB 2084, Jos, NIGERIA The removal of nickel ions onto calcined kaolin clay using a batch adsorption technique was conducted.
- keywords: adsorbent; adsorption; calcined; chemical; clay; contact; data; doi; effect; equilibrium; figure; freundlich; ions; isotherm; kaolin; kinetics; langmuir; mass; ni(ii; nickel; nickel ions; order; petroleum; process; pseudo; rate; removal; sci; second; studies; surface; table; temperature; thermodynamics; time; uptake; values; wastewater
- versions: original; plain text
- hjic-111
- author: Kozic, V.; Krope, J.; Lipus, L. C.; Ticar, I.
- title: Magnetic Field Analysis on Electromagnetic Water Treatment Device
- date: 2006-09-01
- words: 1814
- flesch: 55
- summary: 54 Conclusion We analyzed EM magnetic devices, which have been used in industry for many years and show good results in scale prevention. 51-54 (2006) MAGNETIC FIELD ANALYSIS ON ELECTROMAGNETIC WATER TREATMENT DEVICE V. KOZIC1, J. KROPE2, L. C. LIPUS 3 and I. TICAR4 1Zdraviliško naselje 14, 9252 Radenci, SLOVENIA 2Faculty of Chemistry and Chemical Technology, 3Faculty of Mechanical Engineering, 4Faculty of Electrical Engineering and Computer Science, University of Maribor, Smetanova 17, 2000 Maribor, SLOVENIA A short review of magnetic water treatment devices is given.
- keywords: analysis; computer; density; device; distribution; effective; electromagnetic; field; fig; flow; flux; housing; inner; journal; magnetic; model; plate; radial; results; scale; science; solenoid; treatment; water; zone
- versions: original; plain text
- hjic-1110
- author: Szakács, Szabolcs; Bakonyi, Péter
- title: Considerations to Approach Membrane Biofouling in Microbial Fuel Cells
- date: 2020-12-12
- words: 1672
- flesch: 39
- summary: Keywords: microbial fuel cell, membrane, oxygen mass transfer, biofouling 1. Membranes and biofouling in MFCs – The potential role of oxygen mass trans- fer
- keywords: anaerobe; anaerobic; anode; biofouling; cathode; cells; chamber; daud; doi; fuel; ghasemi; mass; membrane; mfcs; microbial; microbial fuel; oxygen; sci; separator; strict; surface; systems; technol; transfer
- versions: original; plain text
- hjic-1111
- author: Nagy, Sándor
- title: New Chaining Criteria in Dipolar Fluids Based on Monte Carlo Simulations
- date: 2020-12-12
- words: 2603
- flesch: 59
- summary: Keywords: dipolar fluids, chain formation, energy criterion 1. (8) Figure 1: The logarithm of the chain length distribution as a function of chain length at six different dipole moments, densities and energy criteria.
- keywords: chain; chaining; criterion; densities; density; different; dipolar; dipole; distribution; doi; energy; energy criterion; fig; interaction; length; lines; magnetic; moments; pair; particles; probability; results; simulations; susceptibility; ulim; values
- versions: original; plain text
- hjic-1112
- author: Mester, Sándor; Szalai, István
- title: Temperature and Electric Field Dependence of the Viscosity of Electrorheological (ER) Fluids: Warming up of an Electrorheological Clutch
- date: 2020-12-12
- words: 2727
- flesch: 57
- summary: In this paper, the dependence of the viscosity of ER fluids on temperature and electric field strength is examined. Keywords: electrorheological fluid, viscosity, heat effect in ER fluids, ER clutch 1.
- keywords: clutch; concentrations; data; dependence; different; doi; electric; electric field; electrorheological; energy; equation; experimental; field; figure; fluids; heating; measurement; model; particles; probe; results; rise; samples; strength; structure; surface; temperature; viscosity; viscous
- versions: original; plain text
- hjic-1119
- author: Lukács, Zoltán; Baccilieri, Dávid; Kristóf, Tamás
- title: The Experimental Verification of a Generalized Model of Equivalent Circuits
- date: 2021-09-21
- words: 5527
- flesch: 49
- summary: The determination of typical parameters of electrochemical systems, e.g. the polarization or charge transfer resistances, can be critical with regard to the application of Electrochemical Impedance Spectroscopy (EIS) if the lower frequency range is biased as a result of transport and/or adsorption/desorption processes. The CPE appears in all the cited works and can be regarded with a high degree of certainty as an inherent characteristic of electrochemical systems.
- keywords: acta; admittance; applied; area; calculated; capacitance; charge; circuits; cm2; cole; constant; conventional; copper; cor; correlation; corrosion; cpe; critical; data; determination; dispersion; distribution; doi; eis; electroanal; electrochemical; electrochemical impedance; electrochim; electrode; equivalent; experimental; fig; figure; fitting; frequency; function; generalized; hcl; high; higher; impedance; kristóf; lines; lukács; measured; method; model; nyquist; paper; parallel; parameters; phase; platinum; points; potential; principal; range; ref; regard; relevant; resistance; results; series; soc; solid; solution; spectroscopy; surface; system; time; transfer; value
- versions: original; plain text
- hjic-112
- author: Laila, I. A.; Nashwa, S.; Abed-Elshafy, N. S.
- title: Influence of Counter Cation on the Thermal Stability,the Acidity and the Catalytic Properties in the Dehydration of Tert-Butanol over 12-Molybdophosphates
- date: 2006-09-01
- words: 4895
- flesch: 69
- summary: b MCGARVEY G. B., MOFFAT J. B.. J. Catal. 59 OKUHARA T., HASHIMOTA T., HIBI T., MISONO M., J. Catal., 93 (1985) 224. 60 a MAKAROVA M. A., WILLIAMS C., THOMAS J. M., ZAMARAEV K. I., Catal.
- keywords: acid; acidic; acidity; activity; alcohol; aluminum; ammonium; area; butanol; catal; catalyst; catalytic; cations; chem; conversion; decrease; dehydration; fig; formation; heteropoly; hpmo; isobutene; j. b.; j. catal; j. m.; misono; moffat; moffat j.; mol; molybdophosphoric; okuhara; parent; partial; pressure; pretreatment; protons; reaction; results; salts; silver; sites; soc; solid; stability; structure; surface; table; temperature; tert; thermal; thomas; value; water; zamaraev
- versions: original; plain text
- hjic-1121
- author: Khan, Asfandyar; Valicsek, Zsolt; Horváth, Ottó
- title: Photocatalytic Degradation of Rhodamine B in Heterogeneous and Homogeneous Systems
- date: 2021-09-21
- words: 5330
- flesch: 49
- summary: [26]) noticeably accelerated the rate of RhB degradation. 3.4 Generalized RhB degradation mecha- nism A very simple schematic mechanism is proposed for the purpose of RhB degradation since the reactive species produced during irradiation, namely •OH, H+ and •O−2 , oxidize RhB molecules to intermediates of lower molec- ular weights.
- keywords: absence; addition; antibacterial; apparent; catalysts; chem; concentration; conditions; constant; control; copper; cuii; degradation; doi; dosage; dyes; effect; eng; environ; experimental; feii; fenton; ferrite; fig; figure; h2o2; heterogeneous; higher; horváth; hydrogen; iii; increase; inhibition; initial; iron(ii; irradiation; light; mins; mol; nanoparticles; np-3; nps; organic; peroxide; photocatalytic; photodegradation; presence; rate; reaction; rhb; rhodamine; series; study; system; time; vibrio; visible
- versions: original; plain text
- hjic-1123
- author: Wisdom, Asotah; Mark, Udochukwu; Zeberu, Elakhame; Adeleke, Abraham
- title: Optimisation of the Physical Properties of Rice Husk Ash in Ceramic Materials Using the Response Surface Methodology
- date: 2021-09-21
- words: 4410
- flesch: 58
- summary: 23–30 (2021) 26 WISDOM, MARK, ZEBERU, AND ADELEKE Table 3: EDX data of ceramic samples. The wet clay was air-dried and milled using a ball mill (Model 87002 Figure 1: Fired ceramic samples.
- keywords: absorption; analysis; apparent; ash; bulk; ceramic; cm3; composite; content; density; design; doi; effect; fig; firing; ft2; husk; independent; linear; materials; model; optimisation; physical; plot; porosity; properties; quadratic; rc2; rc×ft; regression; residue; response; rha; rice; samples; shrinkage; significant; statistical; table; temperature; values; variables; waste; water
- versions: original; plain text
- hjic-1124
- author: Rózsenberszki, Tamás; Koók, László; Bakonyi, Péter; Nemestóthy, Nándor; Bélafi-Bakó, Katalin
- title: Comparative Study on Anaerobic Degradation Processes of Pressed Liquid Fraction of Organic Solid Waste
- date: 2021-09-21
- words: 3108
- flesch: 47
- summary: Furthermore, it is obvious that waste treatment is one of the most critical global issue, because it has significant impacts for the health, local and global environment and economy [1]. Prod., 2018, 196, 547–63 DOI: 10.1016/j.jclepro.2018.05.265 [4] Logan, M.; Visvanathan, C.: Management strate- gies for anaerobic digestate of organic fraction of municipal solid waste: Current status and future prospects.
- keywords: anaerobic; bakonyi; biodegradation; biogas; biological; biowaste; bélafi; case; clean; cod; content; countries; degradation; digestion; doi; energy; environmental; food; fraction; fuel; gas; global; hdf; high; koók; landfill; low; management; mbt; methods; mfc; msw; municipal; nemestóthy; organic; processes; recovery; rózsenberszki; solid; solid waste; study; treatment; use; valuable; waste; world
- versions: original; plain text
- hjic-1125
- author: Babangida, Aminu; Szemes, Péter Tamás
- title: Electric Vehicle Modelling and Simulation of a Light Commercial Vehicle Using PMSM Propulsion
- date: 2021-09-21
- words: 5815
- flesch: 59
- summary: In addition, this research determined that the fuel economy of electric vehicles is approximately 19% better than that of conventional vehicles. [1] Nowadays, electric vehicles are being developed to reduce these toxic effects and achieve safer transportation networks.
- keywords: battery; capacity; chemistry; consumption; control; controller; conventional; current; detailed; development; doi; driving; dynamics; electric; electric vehicle; energy; equivalent; field; fig; figure; hungarian; ice; industry; integral; journal; kwh; leaf; loop; losses; magnet; matlab; mechanical; model; modelling; motor; nissan; paper; parameters; parts; performance; permanent; phase; pmsm; power; powertrain; propulsion; ref; reference; research; resistance; road; simplified; simulation; soc; specifications; speed; study; synchronous; system; table; terms; test; time; torque; transmission; vehicle; voltage
- versions: original; plain text
- hjic-1127
- author: Kákonyi, Márta; Bárkányi, Ágnes; Chován, Tibor; Németh, Sándor
- title: Modelling of the Pyrolysis Zone of a Downdraft Gasification Reactor
- date: 2021-09-21
- words: 3436
- flesch: 54
- summary: Pyroly- sis, 2015, 112, 14–22 DOI: 10.1016/j.jaap.2015.01.004 Hungarian Journal of Industry and Chemistry https://doi.org/10.1007/s12649-016-9520-6 https://phyllis.nl/Browse/Standard/ECN-Phyllis#rdf https://doi.org/10.1021/ef300031j https://doi.org/10.1016/j.fuproc.2005.08.002 https://doi.org/10.1016/j.biombioe.2017.12.030 https://doi.org/10.1016/j.biombioe.2017.12.030 https://doi.org/10.1016/j.enconman.2010.10.001 https://doi.org/10.1016/j.jaap.2015.01.004 Introduction Identification of pyrolysis kinetic parameters Composition of the gas Composition of Refuse-Derived Fuel Objective function and constraints Conclusions Acknowledgements Fourth Assessment Report, 2006 [3] Molino, A.; Chianese, S.; Musmarra, D.: Biomass gasification technology: The state of the art overview, J. Energy Chem., 2016, 25(1), 10–25 DOI: 10.1016/j.jechem.2015.11.005 [4] Kumar, A.; Jones, D.D.; Hanna, M.A.: Thermo- chemical biomass gasification: a review of the cur- rent status of the technology, Energies, 2009, 2(3), 556–581 DOI: 10.3390/en20300556 [5] Hameed, S.; Sharma, A.; Pareek, V.; Wu, H.; Yu, Y.: A review on biomass pyrolysis models: Kinetic, net- work and mechanistic models, Biomass Bioenerg., 2019, 123, 104–122 DOI: 10.1016/j.biombioe.2019.02.008
- keywords: biomass; calculated; carbon; cellulose; co2; components; composition; doi; downdraft; energy; fig; fuel; function; gas; gasification; kinetic; landfill; mass; material; model; parameters; plastic; product; pyrolysis; pyrolysis zone; raw; rdf; reactor; refuse; results; sites; table; tar; temperature; value; waste; weight; zone
- versions: original; plain text
- hjic-1128
- author: Hubai, Katalin Eszter
- title: Daphnia Magna Acute Immobilization Test: an Opportunity to Test the Ecotoxicity of Alternative Fuels
- date: 2021-09-21
- words: 4202
- flesch: 60
- summary: DOI: 10.5772/in- techopen.82856 [3] Alleman, T.L.; McCormick, R.L.: Biodiesel han- dling and use guide, Fifth Edition (U.S. Department of Energy), 2016, DOE/GO-102016-4875 DOI: 10.2172/1260324 [5] Aransiola, E.F.; Ehinmitola, E.O.; Adebimpe, A.I.; Shittu, T.D.; Solomon, B.O.: Prospects of biodiesel feedstock as an effective ecofuel source and their challenges, in Woodhead Publishing Series in En- ergy, Advances in Eco-Fuels for a Sustainable En- vironment, Eds.:
- keywords: acute; alternative; aquatic; battery; biodiesel; biofuels; blends; chemical; chemistry; daphnia; daphnia magna; different; doi; ecotoxicity; ecotoxicological; effects; energy; environ; environment; esters; et al; fractions; fuels; g/ l; heger; immobilization; journal; m et; m g/; magna; main; methyl; oecd; oil; oils; organisms; sci; soluble; studies; study; test; toxicity; use; values; vegetable; waste; water
- versions: original; plain text
- hjic-1129
- author: Kelemen-Cserta, Eszter; Gyurika, István Gábor
- title: Influence of Mineral Composition in Natural Granite Rocks on Microhardness
- date: 2021-09-21
- words: 3509
- flesch: 55
- summary: [5] machined the surface of granite rocks with diamond saw blades and examined their surface roughness. This *Correspondence: kelemen.cserta.eszter@mk.uni-pannon.hu value can even be used for natural granite rocks.
- keywords: biotite; colour; composition; constituents; content; correlation; cutting; diamond; different; doi; effect; fig; figure; granite; hardness; increases; influence; int; machining; mater; measurements; microhardness; minerals; na+al; natural; parameters; particle; percentage; present; properties; quartz; results; rock; roughness; samples; size; specimens; surface; tool; vickers; wear
- versions: original; plain text
- hjic-1130
- author: Gyulai, Dávid; Monostori, László
- title: Vehicle Routing Approach for Lean Shop-Floor Logistics
- date: 2022-02-08
- words: 4064
- flesch: 49
- summary: The milkrun logistics planning is a special case for vehicle routing problem (VRP), and requires effective approach to solution in order to satisfy various constraints, and minimize the cost of service. Keywords: vehicle routing problem, milkrun, local search, factory logistics Introduction The material provision of large- and medium-scale production systems requires prudent planning and control, since it influences the performance of the production and affects the order management directly and storage assignment [1].
- keywords: algorithm; applied; approach; calculate; capacity; case; constraints; consumption; delivery; demands; distance; feasible; floor; general; generation; heuristics; industrial; initial; initial solution; journal; layout; lean; local; logistics; material; matrix; method; milkrun; milkrun planning; novel; number; order; paths; planning; possible; problem; process; processes; production; real; representation; research; results; route; routing; routing problem; schedule; science; search; set; shop; solution; stations; system; time; total; transport; transportation; vehicle; vehicle routing; vrp
- versions: original; plain text
- hjic-1132
- author: Gyurika, István
- title: Editorial Preface to the Special Issue Dedicated to the Manufacturing_2021 Conference
- date: 2022-02-08
- words: 368
- flesch: 38
- summary: During the 29-30th October 2021, the Uni- versity of Pannonia offered to host the 24th GTE MAN- UFACTURING Conference, where almost 50 presenta- tions were delivered by engineering students with PhD or Post-Doc level. The review com- mittee generated detailed feedback to the authors to show higher level of articulation of their ideas and results, and to maintain the scientific high level of the HJIC journal.
- keywords: conference; gte; industry; journal; level; manufacturing; pannonia; scientific; technical
- versions: original; plain text
- hjic-1133
- author: Hegedűs-Kuti, János; Szőlősi, József; Varga, Dániel; Farkas, Gábor; Ruppert, Tamás; Abonyi, János; Andó, Mátyás
- title: 3D Scanning and Model Error Distribution-Based Characterisation of Welding Defects
- date: 2022-02-08
- words: 2762
- flesch: 55
- summary: The results, treated as differences between components of point clouds, can be subsequently identified and grouped. The proposed CAD model–based method of the generation and analysis of error distributions The proposed framework starts by scanning with a 3D scanner before reducing the number of points in the re- sulting point clouds.
- keywords: acceptability; algorithm; analysis; cad; categories; category; closest; cloud; comparison; defects; deviations; distribution; doi; error; histogram; icp; image; industrial; industry; iterative; light; matching; method; model; new; point; point cloud; process; processing; projector; quality; reference; registration; research; results; scanning; standard; surface; technological; test; vector; welding
- versions: original; plain text
- hjic-1137
- author: Seregi, Bálint Leon; Ficzere, Péter
- title: Weight Reduction of a Drone Using Generative Design
- date: 2022-02-08
- words: 2095
- flesch: 53
- summary: Keywords: generative design, additive manufacturing, weight reduction 1. [3] To demonstrate the reduction in weight as a result of generative design, a small-scale drone frame was opti- mized.
- keywords: additive; algorithm; basic; battery; capacity; concept; design; different; doi; drone; electronics; figure; frame; generative; generative design; geometry; grams; industry; manufacturing; materials; motors; parameters; phase; product; range; reduced; reduction; result; safety; technology; tool; vehicle; weight
- versions: original; plain text
- hjic-1138
- author: Éltető, Andrea
- title: Challenges of Industry 4.0 in the Visegrád Group
- date: 2022-02-08
- words: 3648
- flesch: 54
- summary: Keywords: Industry 4.0, Visegrád Group, Foreign Direct Investment 1. In spite of these efforts, statistics show that the Visegrád Group remains underdeveloped in the field of Industry 4.0.
- keywords: automation; big; broadband; budapest; businesses; challenges; cloud; companies; countries; czech; data; digital; doi; domestic; firms; foreign; germany; group; hungary; ict; industry; international; interviews; introduction; ipar; labour; large; management; manufacturing; medium; present; printing; production; republic; skills; slovakia; small; statistics; subsidiaries; surveys; table; technologies; technology; training; usage; visegrád; visegrád group; website
- versions: original; plain text
- hjic-1139
- author: Acél, Artúr Benjámin; Falk, György; Dömötör, Ferenc; Takács, János
- title: Design and Quality Assured Manufacturing of Free Form Metal Prostheses by Selective Laser Melting Technology
- date: 2022-02-08
- words: 3173
- flesch: 59
- summary: 29–34 (2021) 34 ACÉL, FALK, DÖMÖTÖR, AND TAKÁCS Figure 17: Surface with the reference net after being scanned by the 3D camera Figure 18: Surface model after smoothing 3. The Lancet Digital Health, 2019, 1(4): e163-e171; DOI: 10.1016/S2589-7500(19)30067-6 [2] Summary for the EOS M290 System Advanced User Training – Level 1 https://www.eos.info [3] D. Magyar: Testing features of models manufac- tured by laser additive manufacturing, Scientific Work of Students, 2018, Faculty of Transportation Engineering and Vehicle Engineering, BME Bu- dapest University of Technology and Economics https://tdk.bme.hu [4] Hoang, D.; Perrault, D.; Stevanovic, M.; Ghi- assi, A.: Surgical applications of three-dimensional printing: a review of the current literature & how to get started.
- keywords: additive; adjusted; blade; bone; budapest; cad; case; cloud; control; design; fig; figure; implant; important; laser; manufacturing; measurements; melting; metal; model; points; powder; process; program; prostheses; quality; required; socket; software; space; step; support; surface; surface model; tailor; technology; thickness; workpiece
- versions: original; plain text
- hjic-1140
- author: Lévai, Emese; Ficzere, Péter
- title: Investigation of the Resistance a Sailboat is Subjected to in the Case of Draft Changes Caused by Modifying the Powertrain
- date: 2021-12-20
- words: 1763
- flesch: 57
- summary: As can be seen in Fig. 4, the resistance (verti- cal axis) resulting from lighter load cases (denoted by the orange line) was less than for heavier load cases when the electric drive chain was in use (denoted by the gray line). If the immersion shape changes leading to the flow rate gener- ating early-breaking vortices around the hull or acceler- ating too quickly around the maximum width, a drastic reduction in speed results.
- keywords: calculation; case; chain; change; direction; dive; draft; electric; engine; figure; flow; force; hull; line; load; points; powertrain; resistance; results; ship; speed; surface; velocity; vessel; weight
- versions: original; plain text
- hjic-1143
- author: Helle, Anna Nikoletta; Pereszlai, Csongor; Gödri, András; Geier, Norbert
- title: Comparative Analysis of Burrs in UD-CFRP Composites Using Advanced Hole Machining Technologies
- date: 2022-02-08
- words: 3320
- flesch: 57
- summary: The AMRRs resulting from milling technologies were lower but similar. The current experimental study focuses on the analysis of burrs in- duced by advanced hole machining technologies (helical milling, tilted helical milling and wobble milling) and comparison with a conventional one (conventional drilling).
- keywords: amrr; analysis; average; axis; burrs; case; cfrp; composites; conventional; drilling; experimental; factor; feed; fig; helical; helical milling; hole; length; longest; machining; material; milling; min; novel; pixels; rate; ratio; removal; results; technologies; technology; tilted; tool; wobble; wobble milling
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- hjic-1144
- author: Mihály, Krisztián; Kulcsárné Forrai, Mónika; Kulcsár, Gyula
- title: Experimental Implementation of a Resource-Constrained Multi-Project Scheduling Problem Solver
- date: 2022-02-08
- words: 3620
- flesch: 55
- summary: The exter- nal interface consists of the defining interfaces of the sup- ported project scheduling problem (CPM, RCPSP), the reading interface of the resource manager and a solver factory. 2. Resource-constrained project schedul- ing problem Our extended model is based on the well-known resource–constrained project scheduling problem (RCPSP).
- keywords: algorithm; approach; capacity; completion; constraints; developed; different; doi; erp; execution; extended; functions; generation; heuristic; implementation; interface; management; methods; model; multi; new; objective; problem; programming; project; project scheduling; rcpsp; research; resource; results; sap; schedule; scheduling; scheduling problems; scheme; search; set; solution; solver; task; time; type; user
- versions: original; plain text
- hjic-1145
- author: Ficzere, Péter
- title: Research on and Practice of Additive Manufacturing Technologies
- date: 2022-02-08
- words: 3372
- flesch: 50
- summary: HUNGARY Today, additive manufacturing technologies are becoming increasingly popular. Introduction The spread of additive manufacturing technologies con- tinues unabated.
- keywords: accuracy; additive; analysis; borbás; cad; capsules; case; department; design; different; doi; eng; fdm; ficzere; figure; geometry; human; individual; industry; investigations; layer; lukács; manufacturing; material; medical; method; model; mould; parameters; parts; photostress; pla; printing; process; production; properties; prototype; rapid; research; results; spare; specimens; strength; stresses; technologies; technology; test; vehicle
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- hjic-1146
- author: Alzyod, Hussein; Ficzere, Péter
- title: Using Finite Element Analysis in the 3D Printing of Metals
- date: 2022-02-08
- words: 3034
- flesch: 48
- summary: The difficulties with metal powder bed fusion AM can be addressed and analyzed by simulations [8]. This development was followed by many years of continuous improvement in AM technology, from resin to metal powders and from non-functional molding ap- plications to the fabrication of medical implants [5].
- keywords: 316l; additive; alloys; alsi10; analysis; calibration; component; design; distortion; doi; energy; expansion; exposure; factor; fig; figure; fraction; industry; inherent; laser; machine; manufacturing; material; metal; parameters; point; power; printing; process; simufact; simulation; software; strains; surface; table; technology; temperature; thermal; thermomechanical; tial6v4; values; volumetric
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- hjic-1147
- author: Sarankó, Ádám; Kalácska, Gábor; Keresztes, Róbert Zsolt
- title: Analysis of Formed Chips in the Case of Turning Different Polymer Materials
- date: 2022-02-08
- words: 2053
- flesch: 64
- summary: Our tests included the examination of detached chips and the values of the average surface roughness of the machined surfaces. Our goal was to determine turning input parameters where chip formation is favourable or continuous chips do not cause any problems.
- keywords: air; air air; analysis; case; chips; cooling; doi; input; machine; materials; min; parameters; pet; polymer; pom; ptfe; pvc; rot; roughing; roughness; surface; textile; turning
- versions: original; plain text
- hjic-1148
- author: Molnár, Zsolt; Tamás, Péter; Illés, Béla
- title: Building a Reusable Data Model to Support Systematic Layout Planning with Discrete Event Simulation of Flexible Manufacturing Systems
- date: 2022-02-08
- words: 2567
- flesch: 55
- summary: A typical product route with the order of operations and the machines (activity points) that are capable of ex- ecuting the process step is shown in Table 2. • Processing type • Processing time (product-dependent) • Setup parameters • Capacity • 3D block size parameters (x, y, z) • Logic of supporting services With the help of activity points, the simulation model can be easily built and modified.
- keywords: activity; alternative; chart; data; design; digital; flexible; flow; important; layout; lines; machine; manufacturing; material; method; model; operation; planning; point; process; product; production; research; routing; simulation; slp; steps; systems; table; time; travel; twin
- versions: original; plain text
- hjic-1149
- author: Molnár, Viktor; Sztankovics, István
- title: Analysis of Roughness Parameters Determining Tribological Properties in Hard Turned Surfaces
- date: 2022-02-08
- words: 4115
- flesch: 57
- summary: In addition to this, based on systematic experimental design, carrying out Hungarian Journal of Industry and Chemistry ANALYSIS OF ROUGHNESS PARAMETERS DETERMINING TRIBOLOGICAL PROPERTIES 83 Figure 10: 2D roughness parameters characterizing wear resistance and fluid-retention capacity Table 5: Order of the surfaces based on the analyzed tribological properties and roughness parameters Peak parameter Order Valley parameter Order Core parameter Order Sp S2 > S1 > Eng. Mater., 2013, 527, 167–172 DOI: 10.1016/j.precisioneng.2016.06.001 [6] Kundrak, J.; Nagy, A.; Markopoulos, A.P.; Karka- los, N.E.: Investigation of surface roughness on face milled parts with round insert in planes parallel to the feed at various cutting speeds.
- keywords: analysis; analyzed; area; better; capacity; characteristics; curve; cutting; different; direction; doi; feed; figure; fluid; hard; height; higher; isotropy; maximum; order; parameters; peak; properties; rates; resistance; retention; rev; roughness; roughness parameters; sa1; sci; spk; ssk; surfaces; table; topography; tribological; valley; values; volume; wear; zone
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- hjic-1150
- author: Paniti, Imre; Nacsa, János; Szűr, Dávid; Rácz, Sándor; Tóth, József
- title: Complementary Manipulator Tool Development for Safe Cobot-Assisted Hydroponics
- date: 2022-02-08
- words: 1940
- flesch: 52
- summary: Conclusion Hydroponics is a subset of hydroculture, which is an environmentally friendly technology for growing plants in the absence of soil by using mineral nutrient solu- tions dissolved in water. Based on the set-up, 3 hazard zones were defined: • Zone 1: Primary process area • Zone 2: Secondary process area • Zone 3: Surrounding equipment Figure 3: Plant roots in the Hydro pot.
- keywords: arm; clip; cobot; cobotised; collaboration; collision; complementary; development; directive; doi; electronic; fig; figure; force; https://standards.iteh.ai; human; hungary; hydroponic; iso; journal; machinery; manipulator; plant; pot; pressure; protocol; results; risk; robots; safety; systems; technical; testing; tool
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- hjic-1151
- author: Boleraczki, Miklós; Gyurika, István Gábor; Fodor, Dénes
- title: Gripper Finger Design for Special Purpose Applications
- date: 2022-02-08
- words: 3615
- flesch: 60
- summary: Keywords: collaborative robot, gripper finger, 3D-printed jaw 1. The first group of gripper fingers include several notches in the gripping surfaces, which make it possible to grip work- pieces of different shapes.
- keywords: additive; applications; article; available; collaborative; cost; design; different; doi; environment; expensive; fingers; freedom; general; gripper; gripping; hand; important; industrial; manufacturing; materials; methodology; need; number; objects; printing; process; purpose; range; robot; robotic; sci; shape; simple; soft; solution; tasks; time; type; universal; weight; wide; workpieces
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- hjic-1152
- author: Csicsor, Attila; Tombácz, Etelka
- title: Antioxidant Effect of Humic Substances from Hungarian Leonardite
- date: 2022-09-27
- words: 2817
- flesch: 44
- summary: [5] Huang, D.; Ou, B.; Prior, R.L.: The chemistry behind antioxidant capacity assays J. Agric. Ellagic acid production and phenolic antioxidant activity in cranberry po- mace (Vaccinium macrocarpon) mediated by Lenti- nus edodes using a solid-state system Process Biochem., 2003, 39(3), 367–379 DOI: 10.1016/S0032- 9592(03)00089-X [9] Ruiz-Torralba, A.; Guerra-Hernández, E.J.; García- Villanova, B.: Antioxidant capacity, polyphenol content and contribution to dietary intake of 52 fruits sold in Spain.
- keywords: absorbance; acids; antioxidant; capacity; chemistry; compounds; concentration; content; different; doi; dpph; effect; exhibit; fractions; free; groups; humic; humic substances; hungary; ic50; leonardite; measured; measurements; methods; natural; number; phenolic; properties; radical; reaction; results; samples; soil; structure; substances; total; values; water
- versions: original; plain text
- hjic-1154
- author: Adamcsik, Orsolya; Gerencsér-Berta, Renáta; Oláhné Horváth, Borbála; Kovács, Nikoletta; Somogyi, Viola; Domokos, Endre Gábor; Kemenesi, Gábor; Tóth, Endre Gábor; Jakab, Ferenc; Galambos, Ildikó
- title: A Survey of Sars-Cov-2 Genetic Material Reduction During a Traditional Wastewater Treatment Technology
- date: 2022-09-27
- words: 2259
- flesch: 50
- summary: Considering the successful de- tection of SARS-CoV-2 from wastewater and during the consecutive steps of wastewater treatment, a considerable amount of aerosol formation has been observed. The aim of this work is to assess the presence and concentration of SARS-CoV-2 RNA in un- treated and treated wastewater samples.
- keywords: community; concentration; considerable; cov-2; covid-19; detection; doi; efficient; effluent; environ; epidemiology; influent; nagykanizsa; negative; particles; positive; presence; primary; quantification; research; results; rna; samples; sars; sci; secondary; sewage; surveillance; technology; total; transmission; treatment; university; virus; wastewater; wbe; wwtp
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- hjic-1155
- author: Székely, Gyöngyi; Barta, Csengele
- title: Plant Growth-Promoting Rhizobacteria – Biotechnological Tools to Improve Cereal Yields
- date: 2022-09-27
- words: 2514
- flesch: 48
- summary: Plant growth promoting rhizobacteria reduce aphid population and enhance the productivity of bread wheat, Braz. Plant growth promoting rhizobacteria on radishes, Proceedings of the 4th International Conference on Plant Pathogenic Bacteria.
- keywords: abiotic; bacillus; biology; biotechnological; cereal; content; crop; damage; different; doi; effects; food; friendly; fusarium; grain; graminearum; growth; maize; microbiol; pgpr; phosphate; plant; plant growth; population; production; pseudomonas; rhizobacteria; rice; soil; species; stress; triticum; university; use; wheat; world; yield
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- hjic-1156
- author: Pientka, Zbyněk; Peter, Jakub; Válek, Robert
- title: Membrane Unit for Integrated Gas Separation – Membrane Bioreactor (GS-MBR) System
- date: 2022-09-27
- words: 4271
- flesch: 55
- summary: One relatively easy solution to this problem might be the utilization of gas separation membrane modules given their low energy consumption, simple operation and ease of upscaling. J. Ind.Chem., 2021, 49(1), 31–35 DOI: 10.33927/hjic-2021-05 Hungarian Journal of Industry and Chemistry https://doi.org/10.1016/j.biortech.2018.09.020 https://doi.org/10.1016/j.biortech.2018.09.020 https://doi.org/10.1002/er.5732 https://doi.org/10.1002/er.5732 https://doi.org/10.5004/dwt.2017.20747 https://doi.org/10.1016/0376-7388(95)00102-I https://doi.org/10.1002/047002903X https://doi.org/10.1021/JACS.9B11443 https://doi.org/10.1016/S0376-7388(99)00066-6 https://doi.org/10.1016/S0376-7388(99)00066-6 https://doi.org/10.33927/hjic-2021-05 https://doi.org/10.33927/hjic-2021-05 Introduction Experimental Materials Development of HF membranes Development of HF membrane modules Determining the gas transport properties of the HF membrane Development of the membrane separation unit Results and discussion Preparation of HF membranes Characterization of gas transport across HF membranes Morphology of HF membranes Hollow fiber membrane modules HC1 mini-modules P2-type module Development of the membrane gas separation unit High-pressure membrane unit utilizing a laboratory air compressor Low-pressure membrane unit utilizing a vacuum pump Conclusion
- keywords: arduino; area; bioreactor; co2; compressor; cut; development; doi; feed; fibers; flow; gas; gas separation; gpu; hf membrane; high; hollow; hydrogen; laboratory; measured; membrane; membrane module; membrane unit; min; mini; mixture; module; pei; performance; permeance; permeate; prepared; pressure; process; production; properties; pump; rate; selectivity; separation; series; solenoid; stage; table; transport; unit; valves
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- hjic-1157
- author: Lajtai-Szabó, Piroska; Bagó, Tímea Brigitta; Nemestóthy, Nándor
- title: Production of Chiral (S)-2-Phenyl-1-Propanol by Enantioselective Biocatalysts
- date: 2022-09-27
- words: 4153
- flesch: 48
- summary: Whole- cell biocatalysts ensure the optimal environment for the enzyme, thereby providing a quite stable system. Besides isolated enzymes, whole cells are also being applied more and more often as biocat- alysts, given the disparate attributes of both.
- keywords: activity; adh; alcohol; applied; biocatalyst; buffer; calculated; case; cell; cerevisiae; chem; cm3; cofactor; concentration; conversion; data; degree; dehydrogenase; doi; enantioselectivity; enzyme; ether; high; horse; initial; interface; isolated; kinetics; liver; low; mass; measured; model; order; organic; phase; phenyl-1; process; product; production; propanol; reaction; recombinant; regeneration; s)-2; solution; substrate; transfer; water; yeast
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- hjic-1158
- author: Jock, Alexander Asanja; Akpan, Messiah Luke; Oluwadayo, Francis Asokogene
- title: Production and Characterization of Sand-Plastic Composite Floor Tiles
- date: 2022-09-27
- words: 2381
- flesch: 56
- summary: The amount of plastic waste generated in developing nations like Nigeria is increasing day by day, which is non- biodegradable and causes environmental pollution. Keywords: plastic waste, floor tiles, low-density polyethylene, pollution, properties 1.
- keywords: absorption; astm; batch; calculated; compressive; density; elasticity; fine; floor; friction; impact; ldpe; low; machine; materials; method; modulus; physical; plastic; polyethylene; production; properties; sample; sand; standard; strength; table; tensile; test; tiles; waste; water; young
- versions: original; plain text
- hjic-1160
- author: Kumar, Rupak; Kapur, Suman; Rao Vulichi, Srinivasa
- title: Unraveling the Novel Bacterial Assisted Biodegradation Pathway of Morpholine
- date: 2022-09-27
- words: 5802
- flesch: 40
- summary: In the presence of concentration of morpholine, out of two branches of morpholine degradation one branch is induced, while the other branch is inhibited. Recently, a new approach was applied in which the culture filtrate was analyzed by 1H-NMR spec- troscopy and ion spectroscopy to identify the metabolic intermediates of morpholine degradation by M. aurum MO1 [11, 12] (Fig. 2).
- keywords: acid; amine; ammonia; ammoniacal; analysis; analytical; bacterial; biodegradation; characteristic; chemical; chemistry; color; compounds; concentration; culture; degradation; degradation pathway; different; diglycolic; doi; end; environmental; fig; figure; filtrate; flow; formation; gas; growth; hungarian; india; industry; intermediate; ionization; isolate; journal; kapur; kumar; mass; mea; medium; methanol; method; microbiol; min; mins; mo1; morpholine; morpholine degradation; mycobacterium; negative; nessler; nitrogen; pathway; positive; ppm; presence; present; product; reaction; recalcitrant; route; rrna; sequence; simon; solution; standard; studies; supernatant; table; water; xenobiotic
- versions: original; plain text
- hjic-1161
- author: Milčić, Nevena; Ćevid, Ivana; Çakar, Mehmet Mervan; Sudar, Martina ; Blažević, Zvjezdana Findrik
- title: Enzyme Reaction Engineering as a Tool to Investigate the Potential Application of Enzyme Reaction Systems
- date: 2022-09-27
- words: 5981
- flesch: 42
- summary: This is the precise purpose of enzyme reaction engineering, a scientific discipline that focuses on investigating enzyme reactions with the goal of facilitating their implementation on an industrial scale. Even though reaction schemes of enzyme reactions often seem simple, in practice, the interdependence of different variables is unknown, very complex and may prevent further applications.
- keywords: acid; activity; aldol; analysis; batch; biocatalysis; blažević; cascade; case; chem; chemical; chemistry; compounds; concentration; conditions; continuous; data; decay; dependence; different; doi; effect; engineering; enzymatic; enzyme; enzyme activity; enzyme reaction; estimated; example; experiments; fig; figure; findrik; formaldehyde; important; inhibition; initial; kinetic; linear; menten; michaelis; milčić; model; operational; parameters; practice; process; product; pyruvate; reaction; reaction engineering; reactor; regression; scheme; stability; study; substrate; sudar; synthesis; system; table; tool; variants; vasić-rački
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- hjic-1162
- author: Varga, Mónika
- title: Developing Plant Models of Reduced Complexity by Chemical Process Engineering Way of Thinking
- date: 2022-09-27
- words: 6194
- flesch: 40
- summary: Keywords: plant model, reduced complexity, stoichiometric processes, process network, supply/demand lo- gistics, natural self-control 1. Econ., 2020, 169, 106491 DOI: 10.1016/j.ecolecon.2019.106491 [10] Poorter, H.; Anten, N. P. R.; Marcelis, L. F. M.: Physiological mechanisms in plant growth models:
- keywords: actual; agricultural; applied; area; available; balances; biological; biomass; calculated; case; chemical; circular; co2; complexity; components; conditions; crop; data; demand; dissolved; doi; downflow; dynamic; elements; energy; engineering; environmental; evapotranspiration; growth; h2o; kmol; land; leaves; logistics; material; model; natural; net; num; nutrients; parts; photosynthesis; plant; plant models; pps; process; processes; production; products; proportion; prototypes; radiation; reduced; related; respiration; roots; short; simplified; simulation; soil; solar; specific; state; stoichiometric; storage; structure; supply; synthesized; systems; term; transition; unified; uptake; varga; water
- versions: original; plain text
- hjic-1165
- author: Papraćanin, Edisa ; Đozić, Abdel ; Mujkić, Ermin ; Hodžić, Maida ; Hodžić, Irma ; Poljić, Belmin; Ramić, Ajla
- title: Separation of Fumaric and Maleic Acid Crystals from the Industrial Wastewater of Maleic Anhydride Production
- date: 2022-11-28
- words: 4464
- flesch: 43
- summary: Due to its physical and chemical properties, fumaric acid is insoluble in water, while the solubility of maleic acid in water is 478.8 g/L at 20.0°C, i.e. 3926 g/L at 97.5°C These components were added to better isolate the crystalline product from the mixture of fumaric and maleic acids, that is, thiourea acts as a catalyst in the isomerization of maleic acid to fumaric acid
- keywords: acid; addition; anhydride; biological; bosnia; chemical; column; conditions; cooling; crystalline; crystals; distillation; doi; dry; environment; experimental; flow; fumaric; fumaric acid; industrial; industry; laboratory; liquid; maleic; maleic acid; man; mass; matter; measured; methods; organic; phase; physical; plant; process; production; research; sample; separation; solid; stream; suspension; system; temperature; thiourea; volume; waste; waste stream; wastewater
- versions: original; plain text
- hjic-1167
- author: Eszterbauer, Edina ; Németh, Áron
- title: Optimization of Erythritol Fermentation by High-Throughput Screening Assays
- date: 2022-11-28
- words: 2921
- flesch: 46
- summary: Experimental The planned experiment in terms of erythritol production was performed by three Yarrowia lipolytica strains from the National Collection of Agricultural and Industrial Microorganisms (NCAIM, Hungary), namely NCAIM Yarrowia lipolytica 00597, NCAIM Yarrowia lipolytica 00594 and NCAIM Yarrowia divulgata 1485. Due to the high osmotic pressure and low pH during erythritol production, cells grow slowly, so a thorough study of many parallel fermentations needs to be performed.
- keywords: ammonium; case; citrate; concentration; day; divulgata; doi; erythritol; erythritol fermentation; erythritol production; fermentation; food; glucose; glycerol; highest; increase; industry; lipolytica; mannitol; media; medium; mosmol; osmolarity; production; sodium; sources; strain; substrate; sugar; supplementation; supplemented; tested; yarrowia; yeast; yield
- versions: original; plain text
- hjic-1168
- author: Székely, Gyöngyi ; Szígyártó, Norbert Zsolt; Tóth, András ; Barta, Csengele
- title: The Rhizosphere of Petrosimonia Triandra may Possess Growth-Inducing and Salinity-Tolerance Potential
- date: 2022-11-28
- words: 2949
- flesch: 44
- summary: Another strategy of halophyte plant species to improve their range of salt tolerance is co-habitation with groups of rhizosphere-specific bacteria called plant growth-promoting rhizobacteria (PGPR), which live in the immediate vicinity of plants’ root systems (also referred to as the rhizosphere) as well as exert a positive https://doi.org/10.33927/hjic-2022-12 mailto:gyongyi.szekely@ubbcluj.ro SZÉKELY, SZÍGYÁRTÓ, TÓTH AND BARTA Hungarian Journal of Industry and Chemistry 12 effect on plant growth and development. The important role of some of the identified P. triandra rhizobacteria in enhancing plant growth, yield and salt tolerance has been described previously
- keywords: 16s; activity; agricultural; analysis; areas; bacillus; bacterial; cluj; conditions; crop; development; doi; effects; gene; growth; halophyte; halotolerant; high; isolates; isolation; mechanisms; microbiol; nacl; petrosimonia; pgpr; plant; plant growth; potential; rhizobacteria; rhizosphere; romania; rrna; saline; salinity; salt; salt tolerance; soil; species; strains; stress; tolerance; tolerant; triandra; yield
- versions: original; plain text
- hjic-1170
- author: Tóth, Pál ; Németh, Áron
- title: Investigations into the Usage of the Mineral Alginite Fermented with Lactobacillus Paracasei for Cosmetic Purposes
- date: 2022-11-28
- words: 2636
- flesch: 50
- summary: On the other hand, lactic acid bacteria (LAB) are generally defined as Gram-positive, non-spore-forming, catalase-negative, aerotolerant, acid-tolerant, nutrient- demanding and strictly fermentative organisms that lack cytochromes as well as produce lactic acid as the main end product of carbohydrate metabolism [3]. Despite years of research on the production of lactic acid, aesthetic evaluations have not yet been performed.
- keywords: acid; alginite; amino; bacteria; bactrac; broth; cell; comparison; cosmetic; curves; dermatoscope; doi; dry; effect; fermentation; fig; figure; filtrates; free; growth; hydration; lab; lactic; lactic acid; lactobacillus; measured; measurements; mineral; mins; moisturizing; nmf; paracasei; points; production; results; skin; specific; study; time; water
- versions: original; plain text
- hjic-1171
- author: Visnyei, Merve; Bakonyi, Péter; Nemestóthy, Nándor; Bélafi-Bakó, Katalin
- title: Separation of Dissolved Gases from Aqueous Anaerobic Effluents Using Gas-Liquid Membrane Contactors
- date: 2022-11-28
- words: 2768
- flesch: 52
- summary: Recovery rates of CH4 and CO2 from SE-3 as a function of sweep gas flow rate 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 R e c o ve r y o f g a s e s ( % ) Sweep gas flow rate (mL/min) CH4 (LF:15) [7], [16] also reported that the CH4 concentration is diluted in the outlet gas in the case of high gas flow rates, which was also observed in this study.
- keywords: anaerobic; biogas; ch4; co2; contactors; doi; effluent; energy; fiber; flow; flow rate; function; gas; gas flow; gases; higher; hollow; liquid; mass; membrane; methane; min; module; rate; recovery; recovery rate; results; sci; se-1; separation; sweep; sweep gas; synthetic; technol; wastewater; water
- versions: original; plain text
- hjic-1172
- author: Fernandez, Maria Elena Lozano; Tomasek, Szabina; Fáyköd, Csaba; Somogyi, Andrea
- title: Investigation of the Pyrolysis of Animal Manure in a Laboratory-Scale Tubular Reactor: The Effect of the Process Temperature and Residence Time
- date: 2022-11-22
- words: 4465
- flesch: 57
- summary: As is depicted in Fig.7, at lower temperatures (300 or 500°C) and an N2 flow rate of 1dm 3/h, the calorific value of the gas mixture was higher (~30 MJ/m3), meanwhile, at higher N2 flow rates, the heating value of the gaseous product was about 15 MJ/m3 at the same temperatures. 27-33 (2022) hjic.mk.uni-pannon.hu DOI: 10.33927/hjic-2022-15 INVESTIGATION OF THE PYROLYSIS OF ANIMAL MANURE IN A LABORATORY-SCALE TUBULAR REACTOR:
- keywords: analysis; animal; boudouard; carbon; cattle; ch4; char; chemical; co2; composition; compounds; content; dm3; doi; experiments; feedstock; figure; flow; flow rate; formation; gas; gaseous; heating; higher; highest; manure; mass; material; mmol; oil; peak; process; product; pyrolysis; rate; ratio; raw; reaction; reactor; residue; review; sewage; sludge; syngas; table; temperature; thermal; value; waste; water; yields; 𝐶𝐻4; 𝐶𝑂2
- versions: original; plain text
- hjic-1173
- author: Elhoud, Abdu; Van Everbroeck, Tim
- title: Behavior of Control and Inhibitive Polyaspartic Coatings Using Alkylammonium and Zinc Phosphate Corrosion Inhibitors in Soil
- date: 2022-12-22
- words: 3873
- flesch: 42
- summary: Many attempts have been made in this regard to reduce the risk of soil corrosion on submerged steel and concrete structures. The corrosion performance was assessed through erosion, immersion and soil corrosion experiments.
- keywords: alkylammonium; barrier; blasted; blistering; blisters; coating; content; control; corrosion; corrosion inhibitor; doi; experiments; figure; finished; formation; inhibitive; inhibitor; iron; iron oxide; metal; milled; moisture; oxide; oxide barrier; panel; perforations; phosphate; phosphate corrosion; plates; polyaspartic; polyaspartic coating; presence; resistance; results; rust; salts; samples; soil; steel; steel panel; study; substrates; surface; temperature; tested; van; zinc; zinc phosphate; ° c
- versions: original; plain text
- hjic-1174
- author: Virág, Lilla; Bocsi, Róbert; Pethő, Dóra
- title: Study on Adsorption of Essential Oils on Polylactic Acid Microparticles
- date: 2022-12-22
- words: 3914
- flesch: 54
- summary: The uptake of essential oil solution did not change significantly (∼60%) by varying either the type of solvent used for PLA preparation or PLA particle size. Keywords: polylactic acid, microparticles, essential oil adsorption, Hansen solubility paramet ers 1.
- keywords: acid; adsorption; balm; case; chloroform; concentration; correlation; crystallinity; degree; dichloromethane; different; doi; emulsification; essential; essential oils; fennel; hansen; hsps; lemon; method; microparticles; oils; parameters; particles; pla; pla microparticles; pla_dkm; polylactic; polymers; preparation; properties; size; solubility; solution; solvent; specific; structure; thermal; thyme; types; uptake
- versions: original; plain text
- hjic-1175
- author: Sakiyo, Jesse John ; Németh, Áron
- title: Optimization of Bacillus Licheniformis DSM13 for Biosurfactant Production Using Response Surface Methodology
- date: 2022-12-22
- words: 2558
- flesch: 45
- summary: This study investigated the kinetics of cell growth, the production of biosurfactants as well as the effect of and interactions between the (A) pH within the range of 4.1 to 9.8, (B) glucose concentration between 3.0 and 36.9 g/l, (C) surface tension and (D) emulsification index to maximize biosurfactant production. 3, Budapest, 1111, HUNGARY Biosurfactants are surface-active compounds that can reduce surface tension in both aqueous solutions and hydrocarbon mixtures, which in recent times have become more valuable due to their lower toxicity and are generally referred to as green or organic surfactants.
- keywords: analysis; applied; bacillus; bacteria; biomass; biosurfactant; ccd; cell; concentration; doi; dsm13; effects; emulsification; emulsifying; fermentation; glucose; glucose concentration; growth; high; hungary; increase; index; levels; licheniformis; media; medium; németh; observed; optimization; production; response; rpm; rsm; study; surface; surface tension; surfactants; tension; water; yield
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- hjic-1176
- author: Bélafi-Bakó, Katalin; Tóth, Gábor; Bakonyi, Péter; Nemestóthy, Nándor
- title: Utilization of Agro-Wastes in Biohydrogen Fermentation by Various Microorganisms
- date: 2022-12-22
- words: 2557
- flesch: 45
- summary: 4. Conclusions In biohydrogen production, the application of agro- industrial residues has a great potential since they are renewable, huge amounts of them are formed year by year and have not been utilized. Various types of agro- wastes have been investigated with regard to biohydrogen production using a wide variety of microbes, namely single microorganisms or consortia.
- keywords: agro; anaerobic; bagasse; bakonyi; biohydrogen; biohydrogen production; biological; biomass; bélafi; chemical; consortia; cow; dark; doi; dung; energy; fermentation; fruit; industrial; int; methods; microbes; microorganisms; mill; mixed; mlh2; nemestóthy; pretreatment; processes; production; rate; residues; review; rice; sludge; solid; wastes; wastewater; yield
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- hjic-1177
- author: Ungvári, Edina; Gyurika, István Gábor
- title: Evaluation of PC-FMEA Using Network Analysis
- date: 2022-12-22
- words: 2332
- flesch: 60
- summary: Applying these two solutions together, a form of risk assessment can be created where risks are assessed by pairwise comparisons and the results analyzed using network research tools. Keywords: Network science, PC-FMEA, risk assessment, pairwise comparison 1.
- keywords: aggregate; analysis; assessment; comparison; criticality; degree; doi; edges; evaluation; failure; fmea; method; network; nodes; pagerank; pairwise; research; results; risk; table; team; values; weighted; weights
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- hjic-1194
- author: Voronko, Iryna; Voronko, Vitalii; Dyachenko, Yuri; Shapar, Serhii
- title: Process Simulation of Hole Mandrelling in Steel Aircraft Parts
- date: 2023-05-26
- words: 4443
- flesch: 53
- summary: Keywords: surface plastic deformation, hardening, hole mandrelling, bolting, lubrication, mandrel 1. Although the application of SPD methods effectively increases the life cycle of free unfilled holes and bolted holes, SPD methods are not fully implemented in production due to the high cost, low productivity and limited technological capabilities of the process as well as the availability of devices for strengthening.
- keywords: aircraft; bolted; cold; cylindrical; deformation; design; diameter; dimensions; doi; elements; fatigue; figure; forming; friction; hardening; high; hole; impulse; increases; joints; kharkiv; layer; lubricant; mandrelled; mandrelling; mandrelling process; material; metal; method; modelling; necessary; pack; parameters; parts; plastic; process; processing; quality; radial; resistance; simufact; simulation; software; spd; steel; strength; stress; surface; technological; tension; tool; use; voronko; walls; wear
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- hjic-1195
- author: Kocsis, Erika; Fehérvári, Máté; Novák, Máté; Tóth-Bodrogi, Edit; Kovács, Tibor
- title: Preliminary Study of Cesium Immobilization in a Geopolymer Matrix
- date: 2023-05-26
- words: 3243
- flesch: 48
- summary: Given their aforementioned characteristics, geopolymers could be applicable as conditioning materials, e.g. to handle hazardous waste and radioactive materials. Cement matrices consisting of zeolites mixed in different ratios were measured and the CFL values obtained can be seen in Figure 3.
- keywords: 1:1:1; additives; bentonite; cement; cesium; cfl; cs-137; days; different; dissolution; doi; exchange; figure; geopolymer; high; immobilization; impact; ions; kaolinite; liquid; materials; matrix; mud; norms; process; processes; radioactive; radionuclides; rate; ratios; red; red mud; results; samples; specimens; standard; structure; study; test; time; values; waste; water; zeolites
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- hjic-1196
- author: Aboutaleb, Djamila; Safi, Brahim
- title: Annealing Effect on Copper-Doped Sodo-Borate Glasses (Na2O-4B2O3)
- date: 2023-05-26
- words: 4694
- flesch: 56
- summary: The measured densities of glass samples Samples (g/cm3) NB1-NA 1.857 NB2-NA 1.988 NB3-NA 2.100 NB4-NA 2.219 NB5-NA 2.250 NB1-A 2.134 NB2-A 2.170 NB3-A 2.200 NB4-A 2.220 NB5-A 2.261 ABOUTALEB AND SAFI Hungarian Journal of Industry and Chemistry 18 their structures before and after annealing by, for example, XRD (Figure 2). [27] Jiménez, J. A.: Spectroscopic inquiry of CuO-doped borate glasses in the 50B2O3-25Li2O-25BaO ternary, Spectrochim.
- keywords: absorption; alkali; annealing; atoms; b2o3; bo3; bo4; borate; bridging; chemical; chemistry; content; coordination; copper; cu2; cuo; decrease; densities; density; different; diffraction; doi; effect; electronic; energy; expansion; figure; glass; glasses; increases; index; infrared; ions; measured; modulus; na2o; nb1; nb2; nb3; nb4; nb5; non; number; optical; oxide; oxygen; properties; refractive; result; samples; sodium; spectra; spectrum; structure; table; thermal; types; units; vibrational; 𝑀0 𝑀0
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- hjic-1197
- author: Guba, Sándor; Kocsor, Péter; Vörös, Bálint; Horváth, Barnabás; Szalai, István
- title: Laboratory Measurement of Rolling Resistance Coefficient under Different Conditions
- date: 2023-05-26
- words: 2798
- flesch: 55
- summary: The standard deviations of the compression force and surface temperature were also calculated. Using this arrangement, the rolling friction force can be determined by direct force measurements.
- keywords: angular; coefficient; compression; compression force; conditions; deceleration; dependence; device; different; doi; drum; figure; force; frr; measured; measurement; measuring; method; model; power; pressure; research; resistance; road; rolling; rrc; rubber; steel; surface; temperature; tire; velocity; wheel
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- hjic-1198
- author: Gerlei, Viktor; Kránicz, Tibor; Korim, Tamás; Jakab, Miklós
- title: Manufacturing of Large and Polished Ceramic Pistons by Cold Isostatic Pressing
- date: 2023-05-26
- words: 3761
- flesch: 51
- summary: Keywords: alumina ceramic pistons, advanced ceramics, reactive alumina 1. Fabrication of alumina ceramic pistons Ceramic pistons were produced using high-grade calcined reactive alumina powders.
- keywords: abrasive; alumina; alumina ceramics; binder; ceramics; compressive; degree; density; diamond; doi; figure; finish; granules; grinding; high; isostatic; materials; mechanical; methods; microhardness; organic; parameters; particle; pistons; polished; polishing; powder; pressing; process; product; production; properties; raw; results; roughness; sample; sintered; sintering; size; slurry; spray; strength; surface; surface roughness; table; test; type; use; values; wear
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- hjic-1200
- author: Shypul, Olga; Garyn, Vadym; Tkachenko, Denys; Plankovskyy, Sergiy; Tryfonov, Oleg
- title: Development of a Digital Twin for Gas Mixing in a Generator
- date: 2023-07-04
- words: 4720
- flesch: 48
- summary: Keywords: digital twin, reduced order model, numerical simulati on, gas mixer 1. Introduction The incentive for developing digital twins (DT) in the process of generating gas mixtures is the digitalization of modern technologies.
- keywords: ansys; authors; builder; calculation; chamber; components; composition; concentration; control; data; development; digital; digital twin; doi; elements; equipment; figure; flow; fluent; framework; fuel; fuel mixture; gas; gas mixture; generator; importance; industry; initial; input; manufacturing; mass; methane; mixer; mixing; mixture; model; modelling; molar; numerical; order; outlet; parameters; physical; plankovskyy; points; pressure; process; real; results; rom; scheme; sensors; shypul; system; temperature; time; tryfonov; twin; values
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- hjic-1201
- author: Herbáth, Beáta; Kovács, Kristóf; Jakab, Miklós
- title: The Effect of Different Accelerators on the Corrosion Protection of a Surface Coating on Spheroidal Graphite Cast Iron (Ductile Iron)
- date: 2023-07-04
- words: 7114
- flesch: 54
- summary: Even though nitrite- based accelerators are the most commonly used and most effective for steel surfaces, the disadvantage of these systems is that the nitrite concentration usually must remain high, especially for spraying processes, thereby polluting the effluent and producing toxic nitrous gases. The Natural Salt Spray test (NSS) according to ISO 9227 is used to test the corrosion resistance of corrosion protection coatings applied to steel surfaces
- keywords: accelerator; adhesion; alloys; aluminum; analysis; applied; automotive; base; bath; blistering; carbon; case; cast; cast iron; castings; chemical; coating; composition; conversion; corrosion; crystals; cut; degree; different; din; doi; ductile; ductile iron; edge; edx; effect; experiments; figure; graphite; high; hungarian; important; industry; iron; iso; kr0; layer; low; materials; measurements; mechanical; metal; microstructure; morphology; natural; nitrite; nitroguanidine; nodular; paint; parameters; particles; phosphate; phosphating; plates; pretreatment; process; properties; protection; resistance; results; ri0; rust; salt; samples; sem; size; solution; spheroidal; spray; standard; steel; structure; surface; table; temperature; test; thin; uniform; vehicle; wall; weight; zinc; zinc phosphate
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- hjic-1202
- author: Khan, Uzair; Ahmad, Wasim; Imran, Muhammad
- title: A Survey of the Readiness and Maturity Level of Industry 4.0 at Twenty Companies in Pakistan
- date: 2023-07-04
- words: 2969
- flesch: 46
- summary: Block diagram – Readiness and maturity level of Industry 4.0 A SURVEY OF INDUSTRY 4.0 IN PAKISTAN 51(1) pp. 55–59 (2023) 57 two main parts and various questions regarding how industries have developed smoothly and the latest technologies like Industry 4.0 adopted in Pakistan - and each question explained.
- keywords: average; data; digital; doi; engineering; enterprises; future; gdp; implementation; industrial; industry; islamabad; khan; knowledge; level; main; manufacturing; maturity; maturity level; methods; model; new; pakistan; physical; production; questionnaire; questions; rate; readiness; regard; results; sector; survey; systems; table; taxila; technologies; technology; terms; workers
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- hjic-1203
- author: Tóth, Eliza; Bobek-Nagy, Janka; Kurdi, Róbert
- title: Investigation of Regional Differences in the Organic Fraction of Municipal Solid Waste in Hungary
- date: 2023-07-04
- words: 3834
- flesch: 55
- summary: The directly landfilled organic fraction of municipal solid waste (OFMSW) offers a lot of potential with regard to energy recovery or as a soil substrate. Intermediate pyrolysis of organic fraction of municipal solid waste and rheological study of the pyrolysis oil for potential use as bio- bitumen, J. Clean.
- keywords: areas; composition; content; data; day; diameter; differences; doi; energy; figure; fraction; glass; hazardous; heating; hungarian; hungary; kft; lower; marcali; mass; material; mbt; metals; municipal; nonprofit; ofmsw; organic; paper; particle; plastic; process; pécs; rdf; regional; samples; size; soil; solid; sorting; stabilization; total; treatment; value; waste
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- hjic-1204
- author: Baranyai, András
- title: Self-Diffusion Coefficient of Water in the Presence of Alkali Halide Ions
- date: 2023-07-04
- words: 5257
- flesch: 53
- summary: Hung., 1986, 121(1-2), 203–213, http://real- j.mtak.hu/3787/1/ActaChimica_121.pdf [8] Baranyai, A.; Ruff, I.: unpublished data [9] Kann, Z.R.; Skinner, J.L.: A scaled-ionic-charge simulation model that reproduces enhanced and suppressed water diffusion in aqueous salt solutions, J. Chem. Since small ions strongly attract water molecules, the energy density corresponds to a high-pressure state where the self-diffusion and viscosity exhibit the behavior of a normal compressed liquid with a lower degree of transport.
- keywords: alkali; ambient; anions; baranyai; bk3; charge; chem; coefficient; concentration; conditions; constant; data; degree; density; dielectric; diffusion; diffusion coefficient; doi; energy; experimental; factor; figure; free; function; good; halides; improved; ions; larger; licl; model; moderate; mol; molecules; nacl; nai; non; original; parameters; phys; polarizable; polarization; potential; pressure; rbf; repulsion; results; self; shell; size; small; smaller; solutions; solvent; system; terms; time; values; water
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- hjic-124
- author: Abonyi, J.
- title: Process Engineering Research and Education at the Department of Process Engineering – Past, Present and Future
- date: 2007-09-01
- words: 4213
- flesch: 34
- summary: On the one hand, pedagogical materials have been developed and courses delivered covering important advances in process systems engineering as they have emerged from the research community. Indeed, there is some evidence that the desire to help students to develop the skills needed to tackle complex engineering problems partly motivated the early research in process systems engineering.
- keywords: activities; adobe; analysis; application; chemical; chemical engineering; chemistry; computer; control; cooperation; course; data; department; design; development; education; engineering; engineers; false; fundamental; future; important; industrial; industry; information; issue; knowledge; materials; methods; modelling; necessary; needs; new; paper; pdf; problems; process; process control; process engineering; process systems; processes; professor; projects; research; science; scientific; simulation; software; special; students; supervisor; systems; systems engineering; teaching; techniques; technological; technology; tools; true; unit; university; veszprém
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- hjic-125
- author: Lakatos, B. G.
- title: Population Balance Modelling of Crystallisation Processes
- date: 2007-09-01
- words: 6997
- flesch: 52
- summary: Simulation runs have been carried out to investigate the influence of micromixing and the interactions of micromixing and chemical reaction on the properties of crystal population produced. 〈G〉 mean crystal growth rate, m/s 〈L〉 mean crystal size, m 〈B〉 mean nucleation rate, no/m3s t mean residence time, s a heat transfer surface in a unit volume of suspension ak coefficients of solubility (k = 0,1,2) b exponent of nucleation rate B nucleation rate, no/m3h c concentration, kg/m3, kmol/m3 Dab dimensionless parameter for secondary Dap dimensionless parameter for primary nucleation G crystal growth rate, m/s g exponent of crystal growth rate j exponent of nucleation rate kb coefficient of nucleation rate, (no/m 3s)⋅(m3/kg)-b kg coefficient of crystal growth rate, (m/s)⋅(m 3/kg)-g kr reaction rate coefficient, l/mol s kV volumetric shape factor L crystal size, m n population density function of crystals nucleation kr=40 kr=0.4 kr=1.0 μ 0 μ 1 μ 1 ( ) cba mmm ωωω == 5.0=== cba mmm ωωω 5.0=== cba mmm ωωω kr kr 17 p population density function of fluid elements R rate of chemical reaction, kmol/m3s s scale factor U heat transfer coefficient, W/m2K T temperature, C, K t time, s V volume, m3 vf volume of fluid elements, m 3 x dimensionless moments y dimensionless concentration GREEK LETTERS α dimensionless parameter ρ density of crystals [kgm-3] θ dimensionless nucleation rate ξ dimensionless time ε void fraction μm,k (m,k)
- keywords: = =; aggregation; balance; case; chemical; closed; concentration; conditions; cooling; crystallization; crystallizer; crystals; density; different; dimensional; dimensionless; dispersed; distribution; elements; engineering; equation; figure; fluid; form; function; growth; heat; influence; initial; interactions; joint; kinetic; lakatos; mass; means; micromixing; model; modelling; moment; needle; new; nucleation; number; order; parameters; particles; population; population balance; primary; process; processes; properties; rate; reaction; science; second; secondary; simulation; size; solution; species; state; suspension; systems; time; unit; values; variables; volume; ⎜ ⎜; ⎞ ⎜
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- hjic-126
- author: Kenesei, T.; Abonyi, J.
- title: Interpetable Support Vector Machines in Regression and Classification – Application in Process Engineering
- date: 2007-09-01
- words: 5053
- flesch: 54
- summary: This paper describes a three-step technique how to use reduction techniques on trained SVM and SVR models to acquire transparent, but accurate fuzzy rule based classifier and fuzzy regression models. These techniques solve two cardinal problems: learning from experimental data by neural networks and support vector based techniques and embedding existing structured human knowledge into fuzzy models.
- keywords: algorithm; application; classification; classifier; computing; data; feature; fig; figure; following; functions; fuzzy; fuzzy model; fuzzy rule; hammerstein; identification; input; interpretable; kernel; knowledge; learning; loss; machines; membership; merging; method; model; modelling; networks; neural; nonlinear; number; ols; orthogonal; output; paper; problems; process; reduced; reduction; regression; results; rule; set; sets; similarity; soft; space; step; support; support vector; svm; svr; systems; techniques; training; vector; vol
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- hjic-127
- author: Szeifert, F.; Chován, T.; Nagy, L.; Abonyi, J.; Árva, P.
- title: Runaway of Chemical Reactors: Parametric Sensitivity and Stability
- date: 2007-09-01
- words: 6901
- flesch: 61
- summary: Comparison of runaway criteria The criterion suggested first by Adler and Enig (criterion 1 - van Welsenaere, Froment) can be obtained by differentiating Eq. [-] T [K ] Tw=277 278.4 280 Ljapunov in phase space (282.4) 282.4 284 Ljapunov in geometric space (278.4) Inflexion in geometric space (281) 281 282 Figure 5: Criteria in the T – x plane 26 Application for a complex system The primary limitation of different runaway criteria published in the literature is that they are generally derived only for simple or considerably simplified (reaction) systems.
- keywords: 0,0; analysis; application; berty; case; chemical; condition; conservative; conversion; criteria; criterion; critical; curve; design; different; differential; eqs; fig; figure; following; form; geometric; inflection; kmol; length; ljapunov; maximum; method; model; morbidelli; number; operating; parameter; parametric; phase; plane; problem; rate; reaction; reactor; reactor runaway; relationship; respect; runaway; second; sensitivity; space; stability; state; suggested; system; temperature; thermal; time; ttr; tubular; value; variables; varma
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- hjic-128
- author: Suba, P.; Árva, P.; Németh, S.
- title: The Effect of a Ziegler-Natta Catalyst and the Polymerization Parameters on the Basic Properties of Polyethylene
- date: 2007-09-01
- words: 2790
- flesch: 60
- summary: On the next figures we present the correlation between hydrogen amount and catalyst productivity, and the kinetic flow of the reaction (ethylene feed to maintain standard pressure in the reactor). The main affect of this can be seen in catalyst productivity and molecular weight increase (decreased MFR values).
- keywords: catalyst; cause; chain; chem; concentration; density; different; effect; ethylene; figure; final; hydrogen; increase; min; mol; molecular; monomer; natta; parameters; phase; polyethylene; polymerization; pressure; production; productivity; properties; reaction; residence; temperature; ticl4; time; transfer; weight; ziegler
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- hjic-129
- author: Gál, T.; Lakatos, B. G.
- title: Thermal Cracking of Recycled Hydrocarbon Gas-Mixtures with High Olefins Concentrations in the Feed: Operational Analysis of Industrial Furnaces
- date: 2007-09-01
- words: 4398
- flesch: 57
- summary: [K] U – overall heat transfer coefficient from the firebox to cracked gases [W/m2/K] V – convective velocity of cracked gas [m/s] x – axial distance along the reactor [m] αki – stoichiometric coefficient of component i in the reaction k Δp – pressure drop Due to their relatively high unsaturated content these types of mixtures show behaviour in cracking furnaces different from that of their saturated homologues.
- keywords: butane; cf2; cf3; chemistry; coil; coke; concentration; content; cracked; cracking; data; different; engineering; ethylene; feed; fig; formation; froment; furnace; gas; heat; higher; hydrocarbons; industrial; kinetic; measured; mixtures; model; olefins; parameters; pipe; process; product; pyrolysis; radiant; ranzi; rate; reaction; reactor; residence; results; simulated; steam; table; temperature; thermal; time; unsaturated; variation; yield
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- hjic-130
- author: Szeifert, F.; Chován, T.; Nagy, L.
- title: Control Structures Based on Constrained Inverses
- date: 2007-09-01
- words: 4167
- flesch: 53
- summary: This can be designed on the basis of model error in several ways. Model error compensation
- keywords: application; constrained; control; control error; controller; design; disturbances; dynamics; equation; error; feed; fig; figure; filter; following; forward; function; imc; input; inverse; inverse model; manipulated; measured; model; model error; order; output; parameters; physical; pid; process; reference; scheme; setpoint; signal; state; structure; system; temperature; time; variable; water
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- hjic-131
- author: Molnár, F.; Chován, T.; Szeifert, F.; Nagy, L.
- title: Batch Analysis
- date: 2007-09-01
- words: 3834
- flesch: 43
- summary: The support system for maintenance tasks should follow the physical model, etc. References Define recipe operations Recipe formula Instrumentation list Define modes Define manipulated elements Code Process operation Parameters Process measurement Critical Important Informative Safety Process mode Required manipulating element Comments P1_1 Acetone charging 111 l acetone FIQSaceton Auto P1_2 Water charging 222 l DEMIwater FIQwater Auto P1_3 Temperature setting 20 – 25 ºC TITCAreact NTCreactor TTCjack-in TTjack-out PTSjack Auto 61 Design of procedural elements Procedural control is the most characteristic level of batch process control. Eng. , 1998, 22, 177-183 5. REAKLAITIS G. V.: Overview of scheduling and planning of batch process operations, Proc.
- keywords: actual; analysis; approach; basic; batch; batch analysis; batch control; batch process; construction; control; control analysis; control system; definition; description; design; elements; engineering; engineers; equipment; fig; figure; following; implementation; important; instrumentation; level; library; model; module; necessary; operations; optimal; order; parameters; phase; physical; plant; procedural; procedural control; process; process model; processes; processing; recipe; requirements; s88; software; steps; structuring; system; tank; user
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- hjic-132
- author: Moldoványi, N.; Abonyi, J.
- title: Control of a Continuous Vacuum Crystalliser in an Industrial Environment: A Feasibility Study – Comparision PID to Model Predictive Control Solution
- date: 2007-09-01
- words: 4940
- flesch: 57
- summary: BUT the overshoots and high order models would be too sensitive to model error and it would not work in model based controller. Keywords: Continuous crystalliser, feasibility study, model predictive control Introduction Crystallization is a widely used cleaning, separation and grain-producing technique in the chemical industry, particularly within the pharmaceutical industries.
- keywords: + +; axis; balance; calculated; continuous; control; controller; crystalliser; crystals; cv1; cv2; cv3; delivery; dimensionless; distribution; engineering; equation; figure; following; honeywell; horizon; input; left; linear; manipulated; matrix; mimo; model; moment; mpc; mv2; mvs; non; nucleation; object; opc; order; output; pid; predictive; pressure; problem; process; profit; range; rate; response; results; right; section; set; setpoint; simulation; single; size; system; temperature; time; vacuum; vapour; variables
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- hjic-133
- author: Balaskó, B.; Abonyi, J.
- title: What Happens to Process Data in Chemical Industry? From Source to Applications – an Overview
- date: 2007-09-01
- words: 6368
- flesch: 54
- summary: These technologies, due to their highly automated level, provide mountains of process data, which is applied only in daily operation and control, but it definitely can give access to the underlying structure of any system. To enhance this automation level while keep operation safe and efficient, one needs more information, i.e. knowledge about the process, which can be extracted from process data, and more tools, which can extract effectively this knowledge.
- keywords: abonyi; acquisition; algorithms; analysis; application; chemical; classification; clustering; compression; computers; control; data; data analysis; data mining; database; dcs; decision; design; detection; development; discovery; eda; engineering; extraction; fault; feature; fig; figure; function; fuzzy; identification; ieee; industry; information; inlet; integration; item; kdd; knowledge; level; main; market; means; methods; mining; model; modern; monitoring; multi; need; networks; neural; new; operating; operation; order; pattern; phd; problems; proceedings; process; process data; processing; product; production; reactor; recognition; regression; related; representation; rules; scale; segmentation; selection; series; set; software; sources; state; step; storage; structure; support; systems; tag; tasks; techniques; technologies; technology; time; transactions; tree; variables
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- hjic-134
- author: Abonyi, J.
- title: Application of Exploratory Data Analysis to Historical Process Data of Polyethylene Production
- date: 2007-09-01
- words: 4521
- flesch: 61
- summary: Process monitoring based on multivariate statistical analysis of process data has recently been investigated by a number of researchers [3]. As one of the objectives is to infer the values of product quality from process data obtained at different operating regions, a set of transition-free data is used that covers the whole range of specifications of the quality properties and the process variables over all the possible operating regions.
- keywords: analysis; application; box; catalyst; concentration; control; data; data analysis; density; different; distribution; eda; ethylene; example; exploratory; fig; figure; function; historical; index; line; location; lower; median; melt; model; monitoring; operating; paper; plot; points; polyethylene; polymer; process; process data; product; production; q0.25; quality; quantile; reactor; sets; similar; slurry; solvent; techniques; temperature; upper; useful; value; variables; variation
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- hjic-135
- author: Varga, T.; Szeifert, F.; Réti, J.; Abonyi, J.
- title: Decision Tree Based Qualitative Analysis of Operating Regimes in Industrial Production Processes
- date: 2007-09-01
- words: 2950
- flesch: 46
- summary: To emphasize how decision trees can be applied to extract useful information from the sequences of process trends, and how they are able to represent the 96 operating regimes, an industrial heterocatalytic reactor was analyzed. The paper is organized as follows: in Section 2 the method of qualitative analysis of process trends is briefly introduced, it is followed by the introduction of the developed algorithm for detection of operating regimes.
- keywords: able; algorithm; alignment; analysis; bed; case; conditions; continuous; data; decision; episodes; fig; function; industrial; inlet; length; model; node; operating; operation; process; process trends; profiles; qualitative; reactor; regimes; runaway; segmentation; sequence; series; state; temperature; time; tree; trends; variables
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- hjic-169
- author: Almasiová, B.; Derco, J.; Kassai, A.
- title: Ozonation of Biologically Refractory Pollutants
- date: 2008-09-01
- words: 3058
- flesch: 49
- summary: t COD TOC MBT [min] [mg l-1] t COD TOC MBT [min] [mg l-1]
- keywords: adobe; chemicals; cod; column; concentration; content; efficiency; exp; false; generator; h-1; hydroxyl; initial; l-1; maximum; mbt; mg l-1; minutes; oxidation; oxygen; ozonation; ozone; pdf; pollutant; power; process; radicals; rate; reaction; removal; rubber; specific; synthetic; systems; table; toc; toxic; treatment; trials; true; values; wastewater; wide
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- hjic-170
- author: Barta, Zs.; Sassner, P.; Zacchi, G.; Réczey, K.
- title: Techno-Economic Aspects of on-Site Cellulase Production
- date: 2008-09-01
- words: 2409
- flesch: 56
- summary: (5%) 0.44 (9%) 0.30 (8%) Utilities 3.89 (43%) 2.62 (41%) 1.96 (39%) 1.28 (34%) Other costs 1.02 (11%) 0.75 (11%) 0.56 (11%) 0.48 (12%) By-product credit, M€/year CO2 -0.02 -0.01 -0.02 -0.01 Total, M€/year 9.09 6.44 5.00 3.81 Besides the capital the utilities namely the electricity used by agitators, compressors, pumps was found the other largest contributor in production cost. It is a powerful tool in comparing different process configurations in terms of efficiency, energy demand or – coupled with Aspen Icarus Process Evaluator (Aspen Tech Inc, Cambridge, MA, USA) – production cost.
- keywords: /kg; activity; aspen; base; capital; carbon; case; cellulase; cost; economic; enzyme; ethanol; fermentation; fermentors; fpu; icarus; investment; lignin; material; process; production; productivity; site; specific; steam; step; table; total; water; working; year; yield
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- hjic-171
- author: Beszédes, S.; László, Zs.; Szabó, G.; Hodúr, C.
- title: Enhancing of Biodegradability of Sewage Sludge by Microwave Irradiation
- date: 2008-09-01
- words: 3761
- flesch: 45
- summary: Conclusion The application of microwave irradiation has advantages in sludge treatment processes. Our results showed that, the microwave energy could be a practical and effective alternative technique to enhance the biodegradability of sludge, because after microwave treatment increases the biodegradability from 7 up to 40% by diary sludge and from 12 up to 48 % by municipal sludge.
- keywords: anaerobic; applied; biodegradability; biogas; biological; bod; case; cell; chemical; cod; content; control; convective; dairy; degradation; demand; different; digestion; effect; energy; example; figure; heat; heating; industrial; irradiation; level; matter; methane; microorganisms; microwave; microwave power; min; municipal; organic; oxygen; power; pre; process; production; quantity; research; results; sample; sewage; sewage sludge; sludge; specific; technology; temperature; thermal; time; treatment; waste; water
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- hjic-172
- author: Borbély, G.; Nagy, E.
- title: Nickel and Zinc Removal by Complexation-Ultrafiltration Method
- date: 2008-09-01
- words: 3209
- flesch: 60
- summary: [°C] 15-25 15-25 ~ 20 (room temp.) pH of polymer ~5 >11 ~11 pH of metal solution 2.1 (Zn 2+)* 5.5 (Ni2+)* 2-9 2; 7; 9 Polymer/metal [mol/mol] 0.1; 1 0.001-5 (PEI-25) 0.001-0.1 (PEI-70) 0.1; 1 *: pH of 0.01 M ZnCl2 and NiCl2 According to some researchers [i.e. Korus et al. 1999], pH has a significant effect on the retention. 50 60 70 80 90 100 R [% ] 2 7 8 9 pH of metal solution Ni Zn Figure 3: Retention of Ni2+ and Zn2+ binding by PEI-25 versus pH of metal solution PEI/Me2+ = 1 mol/mol, PES-10 membrane 20 0 10 20 30 40 50 60 R
- keywords: agent; applied; case; complexation; concentration; dendrimers; effect; electrodialysis; feed; fig; figure; g5.0; heavy; high; higher; ions; main; membrane; metal; method; mol; ni2; pamam; parameters; peg; pei-25; pei-70; pes-10; polymer; pressure; process; regeneration; removal; retention; separation; smith; solution; table; temperature; ultrafiltration; water; zn2
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- hjic-173
- author: Csanádi, Zs.; Sisak, Cs.
- title: Production of Short Chain Fructooligosaccharides
- date: 2008-09-01
- words: 2091
- flesch: 51
- summary: When glucose oxidase activity was measured we used the o-toluidine method We measured the remaining/formed glucose concentrations after each cycles (Table 2).
- keywords: activity; applied; biocatalyst; catalase; chain; cm-3; concentration; conditions; cycles; determined; elimination; enzyme; fos; fructooligosaccharides; fructosyl; ftf; glucose; immobilization; immobilized; integrated; nystose; oxidase; pectinex; product; production; reaction; reactor; short; sucrose; system; table; time; ultra; yield
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- hjic-174
- author: Cserjési, P.; Bélafi-Bakó, K.; Nemestóthy, N.; Gubicza, L.
- title: Recent Trends on Application of Ionic Liquids in Organic Synthesis
- date: 2008-09-01
- words: 6258
- flesch: 53
- summary: The nano particle catalysts can endure forcing conditions (75 °C, 40 bar H2), resulting in high reaction rates and high conversions compared with other nano particles that operate in ILs. This gives rise to the ideal situation of high reactions rates, not impeded by phase problems, with the ideal separation properties.
- keywords: acid; acidic; activity; alkylation; anion; application; aqueous; aromatic; asymmetric; benzene; biphasic; catalysis; catalyst; catalytic; chem; chemical; chemistry; chloride; cl·alcl3; co2et; complex; condensation; conditions; conventional; conversion; different; dimethyl; esterification; ethylbenzene; fig; figure; high; higher; hydroformylation; hydrogenation; ils; industrial; ionic; knoevenagel; lett; lewis; ligand; liquids; low; melting; metal; methylimidazolium; molecular; new; number; olefins; organic; oxidation; phase; pressure; processes; products; properties; range; rates; reaction; recycled; results; salts; selectivities; selectivity; separation; significant; similar; solution; solvent; synthesis; system; tbhp; temperature; tetrahedron; use; water; welton; yield
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- hjic-175
- author: Fülöp, A.; Krár, M.; Hancsók, J.
- title: Application of NIR Spectroscopy by Determination of Quality Properties of Vegetable Oils and Their Derivatives
- date: 2008-09-01
- words: 1814
- flesch: 52
- summary: Figure 3: The true concentration vs. predicted concentration values of oleic acid Figure 4: The true concentration vs. predicted concentration values of linoleic acid Figure 5: The true concentration vs. predicted concentration values of linolenic acid Figure 6: The true vs. predicted values of acid number True value of iodine number , gI2/100g Pr ed ic te d va lu e of io di ne n um be r, gI 2 /1 00 g Figure 7: The true vs. predicted values of iodine number True value of kinematic viscosity at 40°C, mm2/s Pr ed ic te d va lu e of k in em at ic v is co si ty a t 4 0° C , m m 2 /s Figure 8: The true vs. predicted values of kinematic viscosity at 40 °C RMSECV=0.395 R2=99.96 RMSECV=0.451 R2=99.97 RMSECV=0.093 R2=99.95 RMSECV=0.208 R2=99.47 RMSECV=0.418 R2=99.88 RMSECV=0.120 R2=99.71 38 True value of kinematic viscosity at 100°C, mm2/s Pr ed ic te d va lu e of k in em at ic vi sc os ity a t 1 00 °C , m m 2 /s Figure 9: The true vs. predicted values of kinematic viscosity at 100 °C According to the calibration results we found that the created calibration models are suitable for the determination of vegetable oil properties.
- keywords: acid; calibration; concentration; determination; figure; iodine; kinematic; models; nir; number; oil; oils; properties; rapeseed; results; rmsecv; samples; sunflower; technique; true; validation; values; vegetable; viscosity
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- hjic-176
- author: Gontaru, L.; Plánder, S.; Simándi, B.
- title: Investigation of Satureja Hortensis L. as a Possible Source of Natural Antioxidants
- date: 2008-09-01
- words: 2705
- flesch: 49
- summary: Estimation of antioxidant activity by DPPH assay To estimate the antioxidant activity of the extracts DPPH (1,1-diphenyl-2-picryl-hydrazyl) assay was used. The concentration of an antioxidant needed to decrease the DPPH concentration by 50% is a parameter widely used to estimate antioxidant activity [13].
- keywords: activity; antioxidant; antioxidant activity; co2; compounds; different; dpph; ethanol; extraction; extracts; fluid; hortensis; journal; material; milling; natural; organic; pentane; plant; samples; satureja; savory; solvents; soxhlet; supercritical; yield
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- hjic-177
- author: Gyalai-Korpos, M.; Feczák, J.; Réczey, K.
- title: Sweet Sorghum Juice and Bagasse as a Possible Feedstock for Bioethanol Production
- date: 2008-09-01
- words: 3232
- flesch: 53
- summary: Two different carbon sources were investigated: - Enzymatic hydrolysates of sweet sorghum bagasse pretreated in different ways. In 2007 4.92 billion liters of ethanol were produced from sweet sorghum juice in China and India.
- keywords: acid; analysis; bagasse; case; concentration; content; conversion; different; dry; enzymatic; ethanol; fermentation; glucan; glucose; highest; hour; hplc; hydrolysis; juice; koh; material; naoh; potential; pretreated; pretreatment; production; results; room; samples; sorghum; sucrose; sugar; sweet; table; temperature; values; water; weight; yield
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- hjic-178
- author: Hetényi, K.; Németh, Á.; Sevella, B.
- title: Examination of Medium Supplementation for Lactic Acid Fermentation
- date: 2008-09-01
- words: 3350
- flesch: 51
- summary: 0 20 40 60 80 100 120 140 0 50 100 150 200 time (h) la ct at e, g lu co se (g L -1 ) 0 2 4 6 8 10 12 O D (6 00 n m ) Figure 1: Lactic acid fermentation on wheat starch hydrolysate without gluten and other supplements: (●) glucose; (▲) lactic acid; (■) optical (biomass)density 2. 0 10 20 30 40 50 60 70 80 90 0 10 20 30 40 50 time (h) la ct at e, g lu co se (g L -1 ) 0 5 10 15 20 25 30 35 40 O D (6 00 n m ) Figure 2: Lactic acid fermentation on optimized wheat starch hydrolysate without gluten: (●) glucose; (▲) lactic acid; (■) optical density 3.
- keywords: acid; autolysate; bacteria; carbon; content; corn; experiments; extract; fermentation; flask; flour; food; glucose; gluten; h-1; hungary; hydrolysate; hydrolysis; l-1; lactic; lactic acid; liquor; medium; necessary; need; nitrogen; nutrient; optical; process; productivity; protein; results; source; starch; steep; supplementation; table; tap; technology; use; vitamins; water; wheat; yeast
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- hjic-179
- author: Kiss, K.; Cserjési, P.; Nemestóthy, N.; Gubicza, L.; Bélafi-Bakó, K.
- title: Kinetic Study on Hydrolysis of Various Pectins by Aspergillus niger Polygalacturonase
- date: 2008-09-01
- words: 2116
- flesch: 47
- summary: 55-58 (2008) KINETIC STUDY ON HYDROLYSIS OF VARIOUS PECTINS It also implies – regarding pectins from other sources (including citrus pectin studied and described in our earlier paper) – that the considerable differences existing in the parameters for various pectins might be caused by the structural differences between the pectins.
- keywords: acid; apple; aspergillus; beet; black; content; currant; data; differences; enzyme; esterification; experiments; food; galacturonic; hydrolysis; inhibition; initial; kinetic; niger; parameters; pectin; polygalacturonase; preparations; product; reaction; red; solutions; study; substrate; sugar
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- hjic-180
- author: Kovács, S.; Krár, M.; Hancsók, J.
- title: Investigation of Enzyme-Catalyzed Transesterification of Used Frying Oils
- date: 2008-09-01
- words: 2997
- flesch: 58
- summary: Methyl ester content of the product prepared from the 50-50% mixture (MIX) of high oleic sunflower oil and used frying oil was between the results of the previous two. 59-63 (2008) INVESTIGATION OF ENZYME-CATALYZED TRANSESTERIFICATION OF USED FRYING OILS S. KOVÁCS , M. KRÁR, J. HANCSÓK University of Pannonia, Institute of Chemical and Process Engineering, Department of Hydrocarbon and Coal Processing Veszprém, H-8201, P.O.Box.: 158, HUNGARY E-mail: kovacss@almos.uni-pannon.hu Investigation of the possibility to convert used frying oils to less harmful but more valuable products is driven by the protection of environment and human health as well as economical reasons.
- keywords: acid; antarctica; candida; case; catalyst; content; enzyme; ester; ester content; fatty; frying; frying oils; fuels; high; hoso; immobilized; lipase; lipozyme; methyl; methyl ester; miehei; mix; mixture; novozym; oil; oils; oleic; products; reaction; results; rhizomucor; sunflower; thermomyces; time; transesterification; ufo
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- hjic-181
- author: Kovács, Z.; Discacciati, M.
- title: Modelling of Multi-Step Microfiltration Process for Solvent Exchange
- date: 2008-09-01
- words: 3071
- flesch: 51
- summary: 3. Based on the experimental data, this regime is empirically defined by the set of feed concentrations which satisfy 0.142 ≤ cFp Summary A numerical technique is presented to simulate and optimize multi-step batch membrane processes for solvent exchange.
- keywords: applied; batch; composition; computational; concentrated; concentration; data; dilution; dispersion; exchange; experimental; feed; feed tank; fig; flux; function; grade; mass; membrane; mode; multi; objective; operation; parameters; particle; permeate; permeate flux; pre; process; run; separation; simulation; solvent; solvent concentration; step; tank; time; total; volume; water
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- hjic-182
- author: Krár, M.; Kasza, T.; Tóth, Cs.; Hancsók, J.
- title: Investigation of the Heterogeneous Catalytic Transformation of Vegetable Oil/Gas Oil Blends
- date: 2008-09-01
- words: 3856
- flesch: 56
- summary: One of the best alternative is to convert the vegetable oils (or other materials containing triglycerides) and/or their blends with gas oil to hydrocarbons rich in paraffins. trend actual price Figure 1: Changing of the price of refined glycerol One of the best alternative is to convert the vegetable oils (or other materials containing triglycerides) and/or their blends with gas oil to hydrocarbons rich in paraffins.
- keywords: alternative; aromatic; bar; boiling; c11; c20; catalyst; catalytic; ch ch; ch2; ch3ch2; content; conversion; feedstock; figure; fractions; function; gas; gas oil; h-1; high; higher; hydrocarbons; lhsv; liquid; main; number; oil; oil boiling; oil content; oils; paraffins; parameters; products; properties; range; reactions; results; sunflower; sunflower oil; temperature; triglycerides; vegetable; vegetable oil; yield
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- hjic-183
- author: Major, B.; Nemestóthy, N.; Gubicza, L.; Bélafi-Bakó, K.
- title: Enzymatic Esterification of Lactic Acid under Microwave Conditions in Ionic Liquids
- date: 2008-09-01
- words: 3577
- flesch: 56
- summary: Results and discussion Experiments using organic solvents For comparison of the results in ILs reactions were carried out in organic solvents. [16] straight-chain 2-hydroxy acids are highly reactive in esterification reactions with 1-butanol using 5000 mg Candida rugosa enzyme/mmol LA, while according to From et al.
- keywords: 104; acid; antarctica; candida; conditions; content; conventional; cyphos; effect; energy; enzymatic; enzyme; esterification; ethanol; ethyl; experiments; fig; heating; hydrolysis; ils; immobilised; initial; ionic; lactate; lactic; lactoyllactic; lipase; liquids; media; microwave; mixture; mmol; organic; phosphonium; reaction; results; reusability; solvents; technol; time; toluene; type; water; yield
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- hjic-184
- author: Marsi, G.; Nagy, G.; Hancsók, J.
- title: Investigation and Production of Bioethanol/Gas Oil Emulsions
- date: 2008-09-01
- words: 3833
- flesch: 55
- summary: The stability of these emulsions is influenced by several factors, which are the followings: hydrocarbon composition of base gas oils [10, 11], water content of bioethanol [12-15] and quality and quantity of emulsive additive [16]. Characteristics of the prepared samples, base gas oil, bioethanol and biodiesel were determined or calculated by standard test methods, which are listed in Table 4.
- keywords: additive; analytical; application; base; base gas; biodiesel; bioethanol; blending; case; cetane; cfpp; change; concentration; content; density; effect; emulsions; figure; flash; fuel; function; gas; gas oil; kinematic; lubricity; msz; number; oil; oil emulsions; performance; point; presence; properties; quantity; stability; standard; table; temperature; value; vapour; viscosity
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- hjic-185
- author: Modla, G.; Lang, P.
- title: Separation of a Ternary Homoazeotropic Mixture by Pressure Swing Batch Distillation
- date: 2008-09-01
- words: 3583
- flesch: 58
- summary: Conclusion The separation of a ternary mixture (n-pentane-acetone- cyclo-hexane) with pressure swing batch distillation was investigated by feasibility studies and rigorous simulation calculations. 10. MODLA G., LANG P., KOPASZ A.: „Entrainer selection for pressure swing batch distillation”, ESCAPE-18, Lyon, 6 pages on CD (2008).
- keywords: acetone; azeotrope; batch; binary; boiling; charge; chem; classification; column; components; composition; configurations; curve; different; distillation; double; eng; feasibility; fig; figure; hexane; liquid; minimum; mixture; mol; operational; pentane; policy; pressure; process; production; purity; residue; rigorous; separation; step; stripper; studies; swing; ternary; vessel
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- hjic-186
- author: Molnár, E.; Nemestóthy, N.; Bélafi-Bakó, K.
- title: Galacturonic Acid Recovery from Pectin Rich Agro-Wastes by Electrodialysis with Bipolar Memranes
- date: 2008-09-01
- words: 2383
- flesch: 53
- summary: 0 0.2 0.4 0.6 0.8 0 50 100 150 time (min) el ec tr ic c ur re nt (A ) 12 V 24V 36V Figure 3: Electric current in the EDBM cell Due to the transport of galacturonate ions and protons, galacturonic acid is formed in acid solution. The concentration of galacturonic acid (Fig. 4) tends to a limiting value, independently of the value of voltage, as a function of time. 0 5 10 15 20 0 50 100 150 time (min) co nc en tr at io n (g G A /l) 12V 24V 36V Figure 4: Concentration of galacturonic acid in acid compartment In acid solution the pH value rapidly decreases at beginning then it slightly increases (Fig. 5).
- keywords: acid; beet; bipolar; caustic; citrus; concentration; conductivity; current; diluate; diluted; dm3; edbm; electric; electrodialysis; experiments; fig; figure; fumasep; function; galacturonate; galacturonic; hydrolysate; ions; membrane; min; na+; pectin; protons; pulp; solution; sugar; time; value; voltage
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- hjic-187
- author: Pethõ, D.; Gáspár, Gy.; Horváth, G.; Liszi, J.; Szakály, R.; Tóth, I.
- title: Ion Transport via Electrosorption
- date: 2008-09-01
- words: 3920
- flesch: 64
- summary: Preparation of nickel coated nickel electrodes by electrolysis Nickel was precipitated on the surface of nickel sheet. Keywords: electrosorption, physical adsorption, “nickelized” nickel electrod, porous nickel electrode, mass transfer Introduction Environmental pollution is one of the most challenging problem of the continuously developing, industrialized world.
- keywords: adhesive; adsorption; area; case; coated; current; distance; double; electric; electrochem; electrochemical; electrode; electrolysis; electrosorption; fig; high; hydrodynamic; ions; layer; m-2; nickel; nickel electrode; parameters; physical; place; polarization; porous; porous nickel; potential; powder; rate; sodium; solution; specific; surface; surface area; time; transport; wt%; zeta
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- hjic-188
- author: Pölczmann, Gy.; Baladincz, J.; Hancsók, J.
- title: Investigation of Producing Modern Base Oils
- date: 2008-09-01
- words: 2654
- flesch: 48
- summary: There has been adverse tendency of changes in the yield of the C5+ products, of course. 0 5 10 15 20 25 30 330 340 350 360 370 380 Temperature, °C G as eo us p ro du ct y ie ld , % 60 70 200 600 600 500 500 600 0.75 --- + ◊ -○- -Δ- 1.5 -□- -x- 2.0 -●- 3.0 -■- -▲- LHSV, h-1 8040 H2/CH, m 3/m3 Pressure, bar Figure 5: Gaseous product yield as a function of process parameters 112 As example, the main properties of base oil products, which were produced at advantageous process parameters are presented in Table 3. Main goals of these experiments were to produce high quality base oil and high quality gas oil as co-product.
- keywords: api; aromatic; bar; base; base oils; catalyst; catalytic; content; crude; demand; engine; experiments; gaseous; good; group; high; hydrocarbon; hydrocracking; hydrogen; hydroisomerization; index; lhsv; low; main; modern; oils; parameters; point; pour; pressure; process; processes; production; products; properties; quality; ratio; sulphur; technologies; temperature; viscosity; yield
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- hjic-190
- author: Takács, L.; Vatai, Gy.
- title: Mass Transfer Characteristics of Isopropanol Pervaporative Dehydration through CMC-CA-01 Membrane
- date: 2008-09-01
- words: 2784
- flesch: 42
- summary: The characteristic of pervaporation membrane can be evaluated from the view of capacity/permeability and the separation efficiency of the membrane. Figure 6: Pervaporation separation index of water as a function of feed at different temperatures Conclusion The characteristic of CMC-CA-01 type hydrophyllic pervaporation membrane defined by serial resistance model provides principles to mechanical, technological design and to the economical examination of the process for industrial application, together with provides model for the computerized process simulation of hybrid technology [17-22].
- keywords: alcohol; application; azeotropic; case; chemical; coefficient; component; concentration; dehydration; different; distillation; feed; fig; figure; flux; force; function; higher; hybrid; industrial; industry; isopropanol; liquid; mass; mass transfer; membrane; model; mol; overall; partial; permeate; pervaporation; pressure; process; processes; resistance; results; separation; solvent; technology; temperature; time; transfer; vapour; water
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- hjic-191
- author: Tokos, H.; Novak-Pintariè, Z.
- title: Towards Sustainable Water Usage in a Beverage Plant
- date: 2008-09-01
- words: 3213
- flesch: 56
- summary: 0OUTOUT LB,OUT ≥⋅− nnn Ymm (14) Where: UB, W LB, W fw ,n fw ,nm , m – upper and lower bounds for water mass from freshwater source fw to operation n, t UB, W LB, W ww ,n ww ,nm , m – upper and lower bounds for water mass from continuous water source ww to operation n, t UB, PP LB, PP n ,nc n ,ncm , m – upper and lower bounds for re-used water mass from operation n to operation nc, t UB, OUT LB, OUT n nm , m – upper and lower bounds for wastewater mass from operation n to discharge, t W fw ,nY – binary variable for the existence or non existence of water mass from freshwater source fw to operation n W ww,nY – binary variable for the existence or non- existence of water mass from continuous water source ww to operation n 127 PP n ,ncY – binary variable for re-used water mass from operation n to operation nc OUT nY – binary variable for wastewater mass from operation n to discharge. FObj – objective function, £/a W fwP – price of freshwater source fw, £/t W wwP – price of continuous water source ww, £/t λOHY – annual operating time, h/a ALLtΔ – overall time interval, h FAN – annualization factor.
- keywords: balance; batch; bounds; concentration; consumption; continuous; cost; design; developed; freshwater; intervals; lower; mass; mathematical; model; n n; network; nww; operation; processes; smith; source; storage; storage tank; stream; tank; time; upper; use; variable; wastewater; water; water mass; ymm; ≤⋅−
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- hjic-192
- author: Ujj, V.; Szuhánszki, T.; Schindler, J.; Czugler, M.; Fogassy, E.; Keglevich, Gy.
- title: Separation of the Enantiomers of p-Chiral Cyclic Phosphorus Compounds
- date: 2008-09-01
- words: 3437
- flesch: 62
- summary: We assumed that the 1-substituted-3-methyl-3-phospholene 1-oxides 1, which have neither acidic nor basic functional groups, could be resolved via molecular complex formation.1 Therefore racemic phospholene oxide 1a was attempted to be resolved via diastereomeric complex formation by adding half equivalent of tartaric acid, O,O’-dibenzoyl- tartaric acid, TADDOL20 2 or its derivative20 3, ephedrine, 2,2'-dihydroxy-1,1'-binaphthalene, menthol, phenylalanin, prolin and ascorbic acid. In the next part of the work, resolution processes of 1a with (–)-3 were further tested in various other solvents or solvent mixtures, but no crystals were obtained.
- keywords: acetate; acetone; atom; cases; chem; chiral; complex; complexes; compounds; crystal; diastereomeric; efficient; enantiomeric; fogassy; formation; general; hexane; host; methyl-3; mixture; oxides; phenyl-3; phospholene; purity; racemic; ray; resolution; schindler; separation; single; structure; table; taddol; yield
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- hjic-193
- author: Varga, Cs.; Miskolczi, N.; Bartha, L.; Lipóczi, G.; Falussy, L.
- title: Improving the compatibility of man-made fibre reinforced composites
- date: 2008-09-01
- words: 3555
- flesch: 51
- summary: Fibre reinforced composites are unique materials and are heterogeneous in composition. In fibre reinforced composites the phases strengthen each others effect due to the interaction between the fibres and the matrix compensating the worse properties of the clean components.
- keywords: additive; amaea; carbon; carbon fibre; case; compatibilizing; composites; content; cycles; different; direction; elongation; fatigue; fibre; figure; glass; interaction; io n; load; maleic; materials; matrix; mechanical; numbers; polyalkenyl; polyester; polymer; pre; process; properties; relaxation; results; samples; specimens; strength; tensile; tests
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- hjic-194
- author: Varga, T.; Rádi, G.; Chován, T.
- title: Improving the Mathematical Model of a Heterocatalytic Tube Reactor
- date: 2008-09-01
- words: 3237
- flesch: 45
- summary: The former version of reactor model was applied in a Operator Support System [10] to support process operators in choosing appropriate values of important operating variables to keep the production in safe and efficient regime. Then pellet model can be integrated into the process simulator at the higher model hierarchy level.
- keywords: bed; calculated; catalyst; catalyst pellet; cfd; chemical; complexity; component; comsol; concentration; developed; engineering; fig; flow; gas; heat; heterocatalytic; level; mass; mathematical; matlab; model; modeling; multiphysics; operation; pellet; pellet model; phase; place; problems; process; processes; rate; reaction; reactor; simulator; solid; state; temperature; transport; variables
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- hjic-195
- author: Varga, T.; Horváth, G.; Abonyi, J.
- title: Determination of Safety Operating Regimes Based on the Analysis of Characteristic Equation of State-Space Model
- date: 2008-09-01
- words: 3578
- flesch: 52
- summary: Keywords: operating regime, process model, simulation fed-batch reactor, stability analysis. Therefore a tool based on process models and stability analysis can be very useful in checking the appropriate operation and helping their work.
- keywords: analysis; analytical; aqueous; calculation; case; chemical; component; control; criteria; development; eigenvalues; engineering; exothermic; fed; fig; heat; important; jacket; jacobian; journal; ljapunov; matrix; method; model; numerical; octanol; operating; operation; org; organic; phase; problem; process; rate; reaction; reactor; reactor runaway; runaway; safety; stability; system; temperature; time; variables; work
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- hjic-196
- author: Vass, I.; Krištofiè, M.; Ryba, J.
- title: Properties of Polyamide 6 Fibres Modified by Silicate Nanoparticles
- date: 2008-09-01
- words: 1724
- flesch: 51
- summary: + (2n-1) H2O NH3 CH2 CH2 - The second part of contribution deals with the preparation of polyamide 6 (PA 6) fibres non-modified and modified by concentrates and determination of some properties (i.e. mechanical, sorptive, barrier and thermal properties) of modified fibres, too. Modified fibres have smaller tenacity than PA 6 fibre.
- keywords: acid; adeta; adipic; concentrates; copolyamides; fibres; higher; layered; lower; melting; modified; non; nylon; properties; salt; silicate; table; temperature
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- hjic-214
- author: Fazekas, B.; Pitás, V.; Thury, P.; Kárpáti, Á.
- title: Examination of the Use of Support Materials of Natural Origin in Wastewater Treatment
- date: 2009-09-01
- words: 2758
- flesch: 43
- summary: As it can be seen on the figure, the ammonium removal capacity of the biofilter made of zeolite grains was about twice as the control reactors. It might be due to the ammonium fixation of the zeolite or an advantageous surrounding for activity of the nitrifiers on the surface of zeolite grains.
- keywords: /qfactor; /tileheight; /tilewidth; adobe; alginite; ammonium; application; batch; bed; biofilm; biofilter; capacity; concentration; considerable; control; experiments; false; figure; fixation; grain; increase; journal; liters; low; main; materials; natural; nitrogen; pdf; price; reactor; removal; sbr; settling; sewage; size; sludge; support; synthetic; treatment; true; wastewater; zeolite
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- hjic-215
- author: Thury, P.; Fazekas, B.; Pásztor, I.; Pitás, V.; Balaskó, L.; Kárpáti, Á.
- title: Examination of the Use of Support Materials of Natural Origin in Wastewater Treatment
- date: 2009-09-01
- words: 3869
- flesch: 54
- summary: Nowadays wastewater treatment is the essential part of the environmental infrastructure. The realization of the nitrogen removal in the past The recognition of the special ways of nitrogen elimination in the wastewater treatment and the experimental results in the same field have resulted in the development of new wastewater treatment strategies.
- keywords: 2ab; ammonium; anaerobic; anammox; animal; autotrophic; carbon; cod; communal; concentration; effluent; high; hungary; industrial; kárpáti; material; mentioned; nh4; nitrification; nitrite; nitrogen; nitrogen removal; no3; oxidation; plants; process; processes; raw; reactor; removal; result; route; second; sharon; similar; sludge; small; special; specific; stage; step; streams; suitable; systems; technologies; technology; thury; time; tkn; treatment; van; wastewater; wastewater treatment; way
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- hjic-216
- author: Gál, G.; Hanák, L.; Szánya, T.; Argyelán, J.; Strbka, A.; Marcinkóová, T.; Aranyi, A.; Temesvári, K.
- title: Examination of Crystallization Coupled to the SMB-LC Process
- date: 2009-09-01
- words: 6184
- flesch: 67
- summary: Measuring results are summarized in Table 4. 17 Table 4: Measuring results time T S R S R S R S R S R S R S R S R [min] [°C] c 0.26 0.21 55.84 44.16 0.05 0.05 48.62 51.38 155 -25.5 0.61 0.47 56.54 43.46 0.04 0.08 31.34 68.66 165 -26 0.58 0.44 56.88 43.12 0.03 0.08 31.02 68.98 KR2 SR racemic S isomerMother liquor Crystals Mother liquor Crystals time T S R S R S R S R [min] [°C] c
- keywords: -20; area; case; chromatography; cm³; concentration; conglomerate; cooling; crystallization; crystals; curve; data; diagram; dm3; dm³; enantiomer; fig; figure; hexane; kinetic; kr1; liquid; liquor; measurement; metastable; method; min; mixture; mother; phase; point; process; pure; racemic; results; s r; seed; separation; smb; solubility; solution; solvent; system; temperature; time; type; w s
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- hjic-217
- author: Angyal, A.; Miskolczi, N.; Bartha, L.; Gergó, P.
- title: Synthesis and Evaluation of Modified Polyethylene Wax Applied as Dispersant in Rubber Bitumen Composites
- date: 2009-09-01
- words: 2927
- flesch: 54
- summary: In our experimental work additives were synthesised as dispersant for rubber bitumen composites. The effect of dispersant additives was evaluated in rubber bitumen composites.
- keywords: additives; anhydride; bands; bitumen; bitumen composites; case; cm-1; composites; cracking; dispersant; effect; fig; figure; ftir; grafting; grain; hydrocarbons; infrared; intensity; maleic; penetration; pew; point; polyethylene; polymer; polyolefins; polypropylene; properties; reaction; rubber; rubber bitumen; samples; stability; storage; styrene; temperature; thermal; viscosity; waste; wax
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- hjic-218
- author: Sági, R.; Bartha, L.; Baladincz, J.
- title: Investigation of Modified PIB-Succinimides in Low SAPS Engine Oils
- date: 2009-09-01
- words: 1980
- flesch: 46
- summary: In this way it can be supposed but should be proved by engine tests that the modified dispersants may open up an opportunity for formulating low SAPS engine oils with reduced ZnDDP content. On the other hand, engine oil seal compatibility tests have become more important and severe in the recent engine oil performance levels (API CI-4, CJ-4; ACEA Ax/Bx, Cx, Ex; JASO DH-1 etc.).
- keywords: additives; compatibility; concentration; content; deposit; detergent; dispersant; efficiency; engine; experimental; higher; low; modified; molybdenum; oils; oxidation; pib; properties; psi; ref; saps; seal; sulphur; temperature; test; thermal; znddp
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- hjic-219
- author: Baradits sr., Gy.; Madár, J.
- title: Cumulative Lopa Method
- date: 2009-09-01
- words: 3564
- flesch: 55
- summary: The attributes of PFD: Sign : PFD Name : Probability of Failure on Demand Unit : - Range : Real number, 0 ≤ PFD ≤ 1 The attributes of scenario risk reduction factor: Sign : RRFscen Name : Scenario Risk Reduction Factor (without SIF) Unit : - Range : Integer, 0 ≤ RRFscen The calculation of scenario risk reduction factor is: ( )tolmitscen FFRRF /int up= where intup is an integer round up function (“ceil function”), and the Ftol and Fmit are calculated as: ( )tenvironmenbusinesspeople ,,min toltoltoltol FFFF = ∏⋅= − j jmitnonmit PFDFF where j is a running index for the safeguards in the given Hazard scenario. The following figure (Fig. 6) shows an example from the software: 35 Where the SIF can be found Cumulative LOPA results Figure 6: Example for result of a cumulative LOPA In the followings, the algorithm of cumulative LOPA will be presented as it is realised in the Tool4S software.
- keywords: analysis; calculation; company; consequence; cumulative; cumulative lopa; event; example; factor; fig; figure; frequency; hazard; hazop; iec; impact; independent; instrumented; ipl; layers; lopa; matrix; method; mitigated; non; pfd; process; protection; quantitative; reduction; required; risk; safety; scenario; sif; sil; software; target; tolerable; tool4s; value
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- hjic-221
- author: Abonyi, J.
- title: Integration of Process Simulators in Advanced Process Control Solutions
- date: 2009-09-01
- words: 3903
- flesch: 47
- summary: In the developed tool a detailed engineering (first- principles) process model is implemented in Matlab. Hence, OPC is known for more than just its applications within process control.
- keywords: advanced; applications; axis; case; change; continuous; controller; crystallizer; cv3; cvs; delivery; design; details; different; distribution; engineering; environment; figure; following; honeywell; industrial; limits; linear; manipulated; matlab; model; model predictive; mpc; opc; optimization; plant; predictive; process; process control; profit; profit controller; range; real; results; set; simulation; size; solution; study; system; technology; test; time; training; use; vacuum; variables
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- hjic-222
- author: Bankó, Z.; Abonyi, J.
- title: PCA Driven Similarity for Segmented Univariate Time Series
- date: 2009-09-01
- words: 6174
- flesch: 58
- summary: The increasing popularity of knowledge discovery and data mining tasks for discrete data has indicated the growing need for similarly efficient methods for time series data. Finally, it is shown that the presented method can be considered as the logical extension of the Correlation Based Dynamic Time Warping (CBDTW) to univariate time series.
- keywords: = =; algorithm; analysis; angle; application; applied; clustering; component; correlation; corresponding; cost; data; distance; dtw; dynamic; element; engineering; euclidean; factor; figure; function; hyperplanes; industrial; information; keogh; latent; length; matrix; measure; methods; mining; model; multivariate; number; original; paa; paper; path; pca; pla; principal; problem; process; profiles; reactor; real; reduction; representation; results; runaway; segmentation; segmented; segments; series; similarity; space; suitable; techniques; time; time series; univariate; value; variable; warping
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- hjic-230
- author: Nagy, G.; Varga, Z.; Kalló, D.; Hancsók, J.
- title: Investigation of Hydrogenation of Aromatic Hydrocarbons on Pt/Pd/USY Catalyst
- date: 2009-09-01
- words: 3858
- flesch: 55
- summary: Therefore paraffines formed from naphthenes, which were 72 produced from aromatic hydrocarbons. Based on the above mentioned phenomenon the following inference was drawn: the hydrogenation of aromatic hydrocarbons should be done in a range of process parameters where the concentration of naphthenic hydrocarbons has a maximum value (Tmax = 320–330 °C).
- keywords: alkyl; aromatic; bar; case; catalysis; catalyst; change; concentration; content; diesel; efficiency; figure; fuel; function; gas; h-1; hydrocarbons; hydrodearomatization; hydrogenation; lhsv; maximum; msz; oil; opening; parameters; pressure; process; products; properties; range; rate; ring; temperature; total; yield
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- hjic-231
- author: Kulcsár, E.; Nagy, E.
- title: Enzyme Facilitated Enantioselective Transport of (L)-Lactic Acid through Membranes
- date: 2009-09-01
- words: 3082
- flesch: 50
- summary: Lactic acid esters are nontoxic and biodegradable materials having excellent solvent properties and could potentially replace toxic and halogenated solvents for a wide range of industrial and consumer uses Lactic acid esters like ethyl/butyl lactate can be used as green solvents.
- keywords: 435; acid; activity; antarctica; candida; concentration; effect; enantiomeric; enantioselective; enzyme; esterification; esters; ethanol; ethyl; excess; feed; fig; figure; ionic; l)-lactic; lactate; lactic; lactic acid; lipase; liquid; membrane; phase; racemic; reaction; results; sci; separation; slm; solvents; supported; synthesis; temperature; time; transport; water; yield
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- hjic-232
- author: Balassy, A.; Németh, Á.; Sevella, B.
- title: Immobilized Enzymes Availability for Glycerol – 1,3 Propanediol Bioconversion
- date: 2009-09-01
- words: 3146
- flesch: 49
- summary: In this case we couldn’t detect enzyme activity (data shown Fig. 4). Results Fermentation process development To carry out enzymatic bioconversions a large amount of enzyme solution and high enzyme activity is needed.
- keywords: 1,3; activity; applied; bactotryptone; beads; biotechnology; butyricum; chitosan; clostridium; concentrations; data; enzymatic; enzyme; extract; fermentation; figure; gdht; glucose; glycerol; g·l-1; high; higher; immobilization; immobilized; method; németh; pdor; process; production; propanediol; reference; results; scale; sevella; solution; source; table; time; yeast
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- hjic-233
- author: Orbán-Mihálykó, É.; Lakatos, B. G.; Mihálykó, Cs.; Lucz, L.
- title: Probability and Expected Time of Emptying of Intermediate Storages under Stochastic Operation
- date: 2009-09-01
- words: 3543
- flesch: 61
- summary: The function φ(x,δ) is shown in Fig. 9. Figure 9: Function φ(x,δ) in the case of Erlang (2) distributed inter-arrival times and constant amount of filled material The numerical computations provided the values k1(0) = 0.1968, k2(0) Figure 2: The form of function φ(x,δ) depending on the initial amount of material x and parameter δ Fig. 3 demonstrates φ(x,0) = ψ(x) using the previously given parameters.
- keywords: batch; case; constant; emptying; equation; fig; figure; filled; function; initial; input; intermediate; material; operation; probability; process; random; solution; storage; system; time; φ(x; ψ(x
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- hjic-234
- author: Kasza, T.; Baladincz, P.; Hancsók, J.
- title: Production of Bio-Isoparaffins by Hydroisomerisation of Bioparaffins
- date: 2009-09-01
- words: 3066
- flesch: 51
- summary: PÖLCZMANN GY., HANCSÓK J.: Investigation of production of gas oils with high isoparaffin content, Days of Chemical Engineering’09, Veszprém, 21- 23. The bio gas oil is a promising product that is a fuel with high isoparaffin content in the gas oil boiling range, which can be produced by the catalytic hydrogenation of different triglycerides.
- keywords: bar; bio; c18; catalyst; catalytic; cfpp; cold; content; diesel; figure; fuels; gas; hancsók; high; hydrogenation; isoparaffins; liquid; lower; lshv; oil; oils; paraffin; point; pressure; production; products; properties; quantity; space; standard; sulphur; temperature; values; vegetable; velocity; veszprém
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- hjic-235
- author: Tóth, Cs.; Baladincz, P.; Hancsók, J.
- title: Fuel Production from Triglycerides Containing Gas Oils
- date: 2009-09-01
- words: 3208
- flesch: 52
- summary: To overcome these problems and to attain better quality, the alternative is the chemical conversion of triglyceride based feeds, mainly hydrocarbons rich in paraffins, which products can be utilized in Diesel- engines mixed with diesel gas oil or directly. Keywords: vegetable oil, gas oil, mixtures, sunflower oil, biogasoil, heterogenous catalytic hydrogenation Introduction For modern society, it is very important to maintain mobility, of which energy need is covered mostly with fossil derived energy sources.
- keywords: alternative; bio; boiling; catalytic; cetane; content; conversion; diesel; energy; engine; european; feedstock; figure; fraction; fuels; gas; gas oil; h-1; hancsók; high; krár; lhsv; magyar; main; msz; number; oil; parameters; point; pre; process; products; properties; range; ratio; sources; temperature; use; vegetable; yield
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- hjic-236
- author: Krár, M.; Kovács, S.; Boda, L.; Leveles, L.; Thernesz, A.; Wáhlné Horváth, I.; Hancsók, J.
- title: Fuel Purpose Hydrotreating of Vegetable Oil on NiMo/γ-Al2O3 Catalyst
- date: 2009-09-01
- words: 3347
- flesch: 49
- summary: NAGY G., HANCSÓK J., VARGA Z., PÖLCZMANN GY., KALLÓ D.: Investigation of hydrodearomatization of prehydrogenated gas oil fractions on Pt-Pd/H-USY catalysts, Topics in Catalysis, (2007) 45, 195–201 The main aim of the fuel purpose hydrotreating experiments of sunflower oil was – besides the saturation of double bonds – the removal of the oxygen atom from the sunflower oil and the production of the target fraction (primary C15-C18 n-
- keywords: acids; al2o3; applied; bar; biogasoil; c17; c18; carboxylic; catalyst; content; conversion; diesel; fraction; fuels; function; gas; h-1; high; hydrocracking; important; lhsv; necessary; normal; number; oil; organic; p=60; paraffins; parameters; pressure; process; production; products; reactions; sunflower; target; temperature; triglycerides; yield
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- hjic-237
- author: Kopasz, Á.; Modla, G.; Láng, P.
- title: Product Composition Control of a New Batch Pressure Swing Rectifying System
- date: 2009-09-01
- words: 2276
- flesch: 55
- summary: We got simlar results for the value of the minimal overall specific energy consumption in both cases (composition control, temperature control, which is applied most commonly in the industry). Keywords: batch rectification, pressure swing, minimum azeotrope, composition control Introduction Binary pressure sensitive azeotropes can be separated by pressure swing distillation (PSD).
- keywords: acetone; azeotropic; batch; column; common; composition; consumption; control; controllers; dcbs; different; distillation; division; energy; fig; flow; liquid; min; minimum; parameters; pentane; pid; pressure; product; quality; ratio; separation; specific; stripper; swing; table; temperature; valve; vessel
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- hjic-238
- author: Fülöp, A.; Hancsók, J.
- title: Comparison of Calibration Models Based on Near Infrared Spectroscopy Data for the Determination of Plant Oil Properties
- date: 2009-09-01
- words: 1827
- flesch: 47
- summary: The aim of this study was to compare the prediction efficiency of different type of linear calibration models using near infrared (NIR) absorbance spectral data of vegetable oils. 119-122 (2009) COMPARISON OF CALIBRATION MODELS
- keywords: acid; ann; calibration; component; data; external; external validation; linear; method; mlr; model; nir; number; oil; oleic; optimisation; pca; pls; prediction; principal; regression; result; rmsep; samples; spectra; type; validation; value
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- hjic-240
- author: Baranyai, R.; Detrich, Á.; Volentiru, E.; Hórvölgyi, Z.
- title: Preparation and Characterization of ZnO and TiO2 Sol-Gel Thin Films Deposited by Dip Coating
- date: 2009-09-01
- words: 4226
- flesch: 50
- summary: Deposition of thin films Thin films from different precursor sols were deposited by dip coating (dip coater, MFA, Hungary). ZnO nanorod light- emitting diodes fabricated by electrochemical approaches, Electrochemistry Communications 10 (2008) 1, 146 7 MARTÍNEZ M. A., HERRERO J., GUITÉRREZ: Deposition of transparent and conductive Al- M. T. doped ZnO thin films for photovoltaic solar cell, Solar Energy Materials and Solar Cells 45 (1997) 1, 75 8 NÉMETH Á., MAJOR CS., FRIED M., LÁBADI Z., BÁRSONY I.:
- keywords: angle; case; chemistry; coating; dea; deposition; different; dip; effect; figure; films; fried; gel; index; indices; journal; layers; materials; measurements; min; optical; oxide; photoluminescence; precursor; preparation; prepared; properties; pvp; refractive; refractive index; results; sar; science; sol; solar; solid; sols; solution; spectra; spectroscopy; speed; table; thickness; thin; thin films; tio2; transmittance; values; velocities; velocity; withdrawal; zinc; zno; zno films
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- hjic-241
- author: Kasaš, M.; Kravanja, Z.; Novak Pintarič, Z.
- title: Differences between Optimum Flow Sheet Solutions Obtained by Different Economic Objective Functions
- date: 2009-09-01
- words: 3007
- flesch: 50
- summary: I Cd d F I t d r t 1 Figure 2: Derivative of unimodal (a) and concave (b) cash flow function Concave monotonic cash flow functions Monotonic concave cash flow functions are obtained by more detailed modeling, where more precise tradeoffs are present, e.g. by kinetic reactor or distillation column. zorka.novak@uni-mb.si This paper discusses the shapes of cash flow functions obtained by modelling chemical processes at different levels of complexity, and the influence of these shapes on optimal solutions obtained by different economic objective functions.
- keywords: capital; cash; chemical; concave; conversion; criteria; derivative; different; economic; engineering; fig; flow; functions; heat; higher; investment; irr; level; max; maximum; meur; models; npv; optimal; optimization; optimum; process; rate; reactor; return; sheet; solutions; synthesis; term; trade; unimodal; value
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- hjic-242
- author: Leitold, A.; Gerzson, M.
- title: Structural Analysis of Process Models Using Their Representation Graph
- date: 2009-09-01
- words: 4208
- flesch: 54
- summary: 1. Figure 1: Dynamic representation graph assuming first order explicit solution method The structural analysis based on graph theoretical technique is carried out in steps performed sequentially. Differential variables are the variables with their time derivative present in the model.
- keywords: analysis; case; complex; concentration; constant; derivative; differential; differential index; differential variables; dynamic; equations; example; flow; following; form; graph; index; linking; liquid; method; model; overspecified; process; properties; representation; representation graph; set; solvability; step; structural; subgraph; system; tank; time; type; underspecified; value; variables; vertices
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- hjic-243
- author: Kis, P. B.; Mihálykó, Cs.; Lakatos, B. G.
- title: Mathematical Models for a Closed-Circuit Grinding
- date: 2009-09-01
- words: 3953
- flesch: 57
- summary: If I denotes the total number of size fractions of particles and we introduce the notation hx = (xmax – xmin)/I, then xi = xmin + ihx stands for the ith particle size fraction. In the formula for ki symbol x50 denotes that particle size for which the convective flow velocity is 0.5u(x1), and λ is an appropriate constant [12].
- keywords: breakage; circuit; classification; classifier; closed; continuous; cut; cut size; discrete; distribution; equation; flow; function; grinding; hold; ith; mass; material; mathematical; mill; model; operation; outlet; parameters; particle size; particles; process; section; sharpness; simulation; size; state; steady; table; term; time
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- hjic-244
- author: Kovács, Z.; Fikar, M.; Czermak, P.
- title: Mathematical Modeling of Diafiltration
- date: 2009-09-01
- words: 3741
- flesch: 50
- summary: The presented mathematical framework gives a rich representation of diafiltration processes due to the employment of concentration-dependent solute rejections. Further research effort is directed at the dynamic optimization of diafiltration processes.
- keywords: batch; component; concentration; constant; data; design; diafiltration; diluant; dilution; factor; feed; final; flow; flux; general; mathematical; membrane; microsolute; mode; models; objective; operation; optimal; optimization; permeate; pre; problem; process; processes; pvvd; rate; rejection; separation; solute; solution; tank; techniques; time; u(t; use; variable; volume; wash; water
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- hjic-245
- author: Németh, A.; Nagy, G.; Sevella, B.
- title: New Results on the Field of “White Biotechnology”
- date: 2009-09-01
- words: 2321
- flesch: 46
- summary: The efficiency of lactic acid fermentation is usually given with volumetric productivity (g lactic acid/L broth/hour). In this report we present a kinetic model built up on the basis of several batch lactic acid fermentations.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; acid; adobe; applied; batch; biotechnology; calculated; case; cell; concentration; consumption; continuous; data; false; fermentation; field; fig; formation; glucose; growth; g·l; g·l-1; high; kinetic; lactic; measured; model; pdf; product; production; productivity; results; substrate; time; true; white
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- hjic-250
- author: Baladincz, P.; Tóth, Cs.; Hancsók, J.
- title: Expanding Feedstock Supplies of the Second Generation Bio-Fuels of Diesel-Engines
- date: 2010-09-01
- words: 5368
- flesch: 54
- summary: To ensure the eligible quantity and quality of bio gas oils, it is necessary to examine the utilization of other feedstocks with high triglyceride content. Bio gas oil The most suitable for the utilization in Diesel engines and the most valuable compounds of the fossil derived gas oils are the normal- and iso-paraffins with high cetane number and with good cold flow properties.
- keywords: acids; adobe; bio; bio gas; blending; boiling; c16; c18; carbon; case; catalyst; catalytic; cfpp; component; content; conversion; diesel; different; efficiency; energy; european; experimental; false; fatty; feedstock; figure; fraction; fuels; function; gas; gas oil; hancsók; high; higher; lard; lard content; lard sunflower; main; motor; number; oil; oil boiling; oils; paraffins; point; process; product; properties; range; renewable; standard; sulphur; sunflower; sunflower oil; triglyceride; triglyceride content; true; union; valid; vegetable; yield
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- hjic-251
- author: Bocsi, R.; Horváth, G.; Hanák, L.
- title: Microalgae Production in Service of Fuel Production
- date: 2010-09-01
- words: 4302
- flesch: 48
- summary: Algae oil production for fuel technology first mentioned in the 1980’s and lives its renessaince 21st century Algae production is the most promising solution amongst the alternatives because of its specific area necessity and high reproduction rate.
- keywords: /qfactor; adobe; air; algae; applicable; area; autotrophic; biomass; carbon; case; cell; chemical; chlorophyll; co2; common; component; composition; compounds; concentration; conditions; content; cultivation; energy; environmental; enzymes; extraction; false; fuel; gas; group; growing; high; higher; important; light; lipid; metabolism; microalgae; mol; necessary; need; nitrogen; oil; organisms; parameters; pdf; phase; photobioreactors; photosynthesis; plant; possible; process; processing; production; productivity; range; research; rise; solvent; source; species; supply; suspension; systems; table; technology; temperature; total; true; type; university; use; water; year
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- hjic-252
- author: Csom, V.; Szentmarjay, T.; Kovács, J.; Domokos, E.
- title: Study of Traffic-Related Urban PM Pollution at Different Locations
- date: 2010-09-01
- words: 3136
- flesch: 56
- summary: Table 3: PM2.5 and PM10 concentrations during 24-hour measuring [µg/m3] Date PM10 (µg/m3) PM2.5 (µg/m3) PM2.5/PM10 (%) 11-12 Sept. 27.9 20.1 72.0 14-15 Oct. 34.6 22.9 66.2 15-16 Oct. 45.3 28.0 61.8 Figure 4: Ratio of PM2.5 in PM10 The primary point of view in choosing the site of samplings was the investigation of the effect of the road traffic on the PM2.5 and PM10 concentrations.
- keywords: adobe; air; ambient; concentrations; data; day; directive; effect; environment; exposure; false; fig; figure; filter; flow; fraction; high; limit; matter; measurements; measuring; oct; particles; particulate; places; pm10; pm2.5; pollution; pre; quality; respiratory; samplers; sampling; sites; street; table; time; traffic; true; value; veszprém; volume; water
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- hjic-253
- author: Fodor, A.; Magyar, A.; Hangos, K. M.
- title: Parameter Sensitivity Analysis of a Synchronous Generator
- date: 2010-09-01
- words: 3916
- flesch: 54
- summary: After the basic dynamical analysis, the set of model parameters is partitioned based on the model's sensitivity on them. Note, that (3) can be used as an additional state equation for state space model (2).
- keywords: adobe; analysis; axis; change; components; controller; current; direct; dynamic; equation; exciter; false; fig; figure; following; generator; inductance; industrial; lad; linkage; machine; model; output; parameters; phase; power; quadratic; resistance; result; rotor; sensitivity; space; state; stator; steady; synchronous; synchronous generator; system; true; value; variables; voltage; windings; ⎢ ⎢; ⎥ ⎥
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- hjic-254
- author: Görbe, P.; Magyar, A.; Hangos, K. M.
- title: Power Conditioning with Electric Car Battery Charging from Renewable Sources
- date: 2010-09-01
- words: 3607
- flesch: 47
- summary: Upper harmonic components have many undesirable effects on power grid [11] causing faulty operation of the network. On the other hand with high percentage of fluctuating renewable energy sources the connected electric car batteries can absorb peaks of power production or feed the power into the grid [12].
- keywords: adobe; aim; analysis; battery; capacitive; car; charger; charging; components; controller; current; distortion; domestic; electric; electronics; elements; energy; factor; false; fig; figure; flow; function; grid; harmonic; injection; intermediate; inverter; load; matlab; maximum; method; mode; network; nonlinear; normal; optimal; output; pdf; phase; plants; point; power; reactive; reduction; renewable; robustness; setpoint; simple; simulation; small; source; switching; system; thd; time; true; upper; values; voltage; working
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- hjic-255
- author: Horváth, B.; Szalai, I.
- title: A Nonlinear Dielectric Measurement Method for the Study of Complex Liquids
- date: 2010-09-01
- words: 3967
- flesch: 54
- summary: Dielectric cell The construction of the measuring cell is critical, because large forces can act between the plates when a strong electric field is switched on. High voltage pulse generator A PS350 DC high voltage power supply made by Stanford Research System serves as the base of the pulse generator.
- keywords: adobe; analyzer; base; capacitance; capacitor; card; cell; change; circuit; control; daq; data; dielectric; dielectric cell; dielectric effect; dielectric permittivity; diethyl; domain; effect; electrodes; ether; false; field; fluids; frequency; frequency measurement; function; generator; high; high voltage; input; measured; measurement; mhz; modulation; nde; nonlinear; nonlinear dielectric; oscillator; output; permittivity; pulse; pulse generator; rectangular; results; signal; software; system; temperature; time; trigger; true; value; voltage; voltage pulse
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- hjic-256
- author: Kasza, T.; Hancsók, J.
- title: Production of Depressed Freezing Point Bio Gas Oil from Slaughter House Waste Lard
- date: 2010-09-01
- words: 3519
- flesch: 53
- summary: The reason of this was that the carbeniumions generated on the surface of the catalyst during the isomerization, having lower stability than that of the saturated hydrocarbons, could be cracked more easily at higher temperature and at lower pressure. The reason of this was that at higher temperature the structural trans- formation of the mono-branched paraffins increased, so in consecutive reactions the possibility of the formation of multi-branching was higher.
- keywords: adobe; bar; bio; carbon; catalyst; catalytic; cetane; cfpp; cold; content; decrease; degree; diesel; false; favourable; feedstock; fig; filter; flow; freezing; fuels; function; gas; hancsók; high; higher; hydrogenation; isomerization; isoparaffins; lhsv; lower; lshv; normal; number; oils; paraffins; parameters; plugging; point; pressure; process; products; properties; ratio; reactions; temperature; true; vegetable; veszprém; yield
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- hjic-257
- author: Kovács, Zs.; Szalkay, Cs.; Zsilák, Z.; Rédey, Á.
- title: Comparison of Physical and Chemical Measurements of Séd Stream in Veszprém and Holt-Sebes-Körös together with Sebes-Körös in Békés
- date: 2010-09-01
- words: 3868
- flesch: 62
- summary: The most significant purpose of the project is to define water quality of Séd and Holt-Sebes-Körös just as Sebes-Körös. At selection of the sampling sites the following direct pollution sources have been taken into consideration: 20 sampling site and 7 polluted locations were appointed along the stream that have strong effect to water quality.
- keywords: adobe; area; békatói; chemical; cm-1; concentration; conductivity; false; figure; high; holt; hungary; körös; körösszakál; l-1; level; management; measured; measurements; mágor; nitrate; o ut; orthophosphate; output; pollutants; polluted; pu t; quality; sampling; sebes; sewage; significant; sites; stream; séd; temperature; treatment; true; urban; values; veszprém; water; wfd
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- hjic-258
- author: Kriván, E.; Marsi, G.; Hancsók, J.
- title: Investigation of the Oligomerization of Light Olefins on Ion Exchange Resin Catalyst
- date: 2010-09-01
- words: 3781
- flesch: 50
- summary: The studies of the oligomerization of isobutene were carried out with different commercial ion exchange resin catalysts. During our experimental work we studied the possibilities of producing motor fuel blending components like these blending components with the oligomerization of the olefin content of light FCC-naphtha – assuming later industrial application – on Amberlyst-15 acidic ion exchange resin type catalyst.
- keywords: acidic; adobe; applied; bar; blending; c12; catalysis; catalyst; components; compounds; content; conversion; different; effect; exchange; experiments; false; fcc; feedstock; figure; fuels; function; gas; greater; h-1; hourly; increase; isobutene; light; liquid; motor; naphtha; oil; olefins; oligomerization; parameters; pdf; pressure; process; products; range; reactor; resin; results; selectivity; space; temperature; true; value; velocity
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- hjic-259
- author: Nagy, S.; Szalai, I.
- title: Nonlinear Dielectric Effect of Two-Component Dipolar Fluids
- date: 2010-09-01
- words: 2776
- flesch: 55
- summary: Linear dielectric permittivities with (m1 *)2 = 0 and (m2 *)2 = 1 62 Figure 2b: Linear dielectric permittivities with (m1 *)2 = 0 and (m2 *)2 = 0.5 Figure 3b:
- keywords: adobe; component; corresponding; data; dhs; dielectric; dipolar; dipole; false; field; figs; figure; fluids; function; hard; linear; mixtures; moments; msa; nonlinear; order; pdf; permittivities; permittivity; phys; polarization; reduced; results; simulation; theory; true
- versions: original; plain text
- hjic-260
- author: Speiser, F.; Magyar, I.; Enisz, K.
- title: Municipal Environmental-Monitoring System
- date: 2010-09-01
- words: 3224
- flesch: 39
- summary: On the whole it can be stated that the system is suitable for collecting environmental data with specific low costs at minimal infrastructural build-up. The main goal is to make it possible to setup and operate an information system based on the collected data that can publish environmental data trough the internet.
- keywords: /qfactor; /tileheight; /tilewidth; adobe; air; area; city; collected; components; costs; data; database; development; environmental; environmental data; environmental parameters; false; fig; goal; high; human; hungary; important; information; information system; local; low; maps; measured; measurements; measuring; method; modelling; monitoring; municipal; pannonia; parameters; pdf; pollution; possible; processing; proper; protection; quality; source; system; true; university; user; veszprém; water
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- hjic-261
- author: Szentes, A.; Horváth, G.; Varga, Cs.
- title: Mechanical Properties of Polypropylene/Multi Walled Carbon Nanotube Composites
- date: 2010-09-01
- words: 3101
- flesch: 55
- summary: Keywords: carbon nanotubes, polypropilene, composites, mechanical properties Introduction Carbon nanotubes (CNTs) were discovered in the soot of arch discharge by Sumio Iijima in 1991 Carbon nanotubes are categorized as single-walled nanotubes (SWCNTs) and multi-walled nanotubes (MWCNTs)
- keywords: additive; adobe; better; black; carbon; carbon black; composites; content; different; double; double screw; extruder; false; fig; figure; flexural; hdt; heat; mechanical; mfr; modulus; multi; mwcnt; mwcnt composites; nanotubes; polymer; properties; screw; screw extruder; single; single screw; strength; temperature; tensile; true; value; walled; wt%; yield
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- hjic-262
- author: Szoboszlai, Zs.; Hancsók, J.
- title: Investigation of Isomerization of Sulphur Containing Hexane Fractions
- date: 2010-09-01
- words: 4692
- flesch: 44
- summary: SZOBOSZLAI , J. HANCSÓK Department of MOL Hydrocarbon and Coal Processing, University of Pannonia 8200, Veszprém Egyetem u. 10, HUNGARY, E-mail: szzsolt@almos.uni-pannon.hu The main activations of gasoline R&D activities simultaneously the stricter environmental requirements and quality specifications based on increased activity catalysts which saving more energy and feedstock. The main conclusions were that both the Pt/Al2O3/Cl and Pt/SO4 2-/ZrO2 catalysts isomerization activity was substantially reduced in case of low sulphur containing feed (5–20 mg/kg), after a short period of time (20–50 hours).
- keywords: 2,2; activity; adobe; al2o3; applied; bar; case; catalysts; catalytic; changes; composition; concentration; containing; content; decrement; desulphurization; different; dmb; effect; efficiency; equilibrium; false; favorable; feedstock; fractions; free; h-1; hancsók; hexane; high; higher; hydrocarbon; iae; increase; isomerization; lhsv; liquid; low; metal; modified; mor; number; octane; parameters; period; pressure; process; product; properties; results; step; sulphur; sulphur content; surface; table; temperature; time; true; values; volume; yield
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- hjic-279
- author: Antal, D.
- title: Motion Simulation of a Path Controlled Vehicle
- date: 2010-09-01
- words: 2749
- flesch: 50
- summary: By the use of such vehicles, one can decrease the expenditure of the production cost and increase the operational efficiency and its reliability. In addition to logistics wide range of applications of such vehicles can be found e.g., scanning on a minefield or mowing the lawn automatically.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; absolute; adobe; analysis; angular; car; commercial; control; controlling; current; distance; dynamical; false; fig; figure; gear; increment; inertia; measuring; methods; model; moment; motion; motor; odometrical; optical; orientation; paper; path; pdf; points; position; sensing; sensors; software; system; torque; true; vehicle; velocity
- versions: original; plain text
- hjic-280
- author: Bárkányi, Á.; Lakatos, B. G.; Németh, S.
- title: Modelling of Polymer Particle Formation Using Population Balance Model
- date: 2010-09-01
- words: 3961
- flesch: 55
- summary: 87 0.5 1 1.5 2 2.5 3 3.5 4 x 10-4 0 1 2 3 4 5 6 7 8 x 10 -17 diameter of particle (m) fu nc tio n va lu e t=1e-21 sec t=1.3e3 sec t=3.8e3 sec t=7e3 sec t=1.1e4 sec t=1.5e4 sec t=1.8e4 sec t=1.9e4 sec t=2.1e4 sec t=2.3e4 sec Figure 7: Primary particle size distribution 0 1 2 x 10-4 0 1 2 x 104 0 2 4 6 8 x 10-17 diameter of particle (m) time (s) fu nc tio n va lu e Figure 8: Primary particle size distribution (3D) Figs 7 and 8 show the primary particle size distribution. The morphology of the PVC grains is depended on the properties of primary particles.
- keywords: adobe; aggregation; applied; balance; changing; chloride; concentration; constant; conversion; distribution; engineering; equation; evolution; false; figure; formation; function; grains; growth; initial; journal; model; moment; monomer; morphology; nucleation; number; order; order moment; parameters; particle size; particles; pdf; phase; polymerization; population; primary; primary particle; process; properties; pvc; range; rate; results; rich; science; sec; second; size; stage; suspension; time; true; vcm; vinyl; volume
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- hjic-281
- author: Bodzás, S.; Dudás, I.
- title: Designing of Smoother Hob
- date: 2010-09-01
- words: 3020
- flesch: 61
- summary: Its reason is the mn normal module is normed for cylindrical gear hobs, while the max axial module is normed for worm gear hobs. Keywords: module, hob, production geometry Introduction If we give expanded one direction, turning motion for the indented bar shape tool without alternation, plane or chisel motion such we imagine the suitable lengthly indented bar of spreading out of the diameter along wide sloping thread line to spring to a cylinder surface (in production) and the threads defined, equal distance breaking, we create hob edges then the hob creates.
- keywords: addendum; adobe; angle; axial; basic; cog; cylinder; cylindrical; diameter; edges; equal; false; fig; figure; flute; gear; geometry; head; hob; hobs; important; milling; module; motion; normal; number; pitch; production; profile; program; quality; reference; section; slopping; smoother; surface; thread; tool; true; worm; worm gear
- versions: original; plain text
- hjic-282
- author: Ferenczi, I.
- title: Relationship between Input Channel Excitation Time and Profinet IO Refresh Time
- date: 2010-09-01
- words: 3230
- flesch: 56
- summary: Keywords: Profinet IO, cycle time, real-time, refresh time, PLC, IO device, IO channel, delay time, communication Introduction Profinet IO permits direct interfacing of distributed field devices on the Ethernet. 2. Send interval (refresh time); since high-performance transmission of all data is usually not required, the communication transmission frequency may differ from the IO device.
- keywords: adobe; case; channel; clock; communication; consumer; controller; cycle; data; delay; device; ethernet; excitation; false; field; fig; figure; image; input; interval; network; output; packets; pdf; process; profinet; profinet io; provider; reaction; real; refresh; refresh time; send; signal; supervisor; system; time; transmission; true; value
- versions: original; plain text
- hjic-283
- author: Horváth, R.; Palásti-Kovács, B.; Sipos, S.
- title: Environmental-Friendly Cutting of Automotive Parts Made of Aluminium Castings
- date: 2010-09-01
- words: 4098
- flesch: 49
- summary: What is surprising in this fact is the rate and this phenomenon can be noticed so significantly even in case of hypereutectic Al-Si alloys, This type of material has been also tested by us. a) Insert code: CCMW (εr = 80°) b) Insert code: DCMW (εr = 55°) Figure 2: Surface roughness under high speed cutting conditions Cutting conditions: vc = 1000–2000 m/min; rε = 0.4 mm An important factor, to be considered during the design of the insert, is the nose radius, its increase affects favourably the surface roughness. Due to space limitations it is not possible to analyse the tool edge quality (surface roughness values on the rake face and flank land of the inserts, roughness of main cutting edge, edge sharpness, edge radius etc.) a) different nose radii (rε = 0.4 and 0.8 mm) b) different versions of rake face Figure 3: Surface roughness vs. insert geometry Cutting conditions: vc = 1400 m/min a) maximum heights of profile b) profile kurtosis Figure 4: Surface roughness versus relief angle The effect of the tool material The first material, coming into question, is the poly- crystalline diamond (PCD): it has anti-adhesion characteristics, chemical inertness, compared to cemented carbide better abrasive wear resistance and low friction coefficient.
- keywords: adobe; alloys; aluminium; angle; average; case; chip; circumstances; conditions; content; cutting; cvd; design; diamond; different; difficulties; edge; false; fig; figure; high; higher; industry; insert; iso; kennametal; low; machinability; machined; machining; material; measured; nose; pcd; pdf; point; polycrystalline; possible; process; production; profile; quality; radius; resistance; results; roughness; silicon; sipos; speed; surface; surface roughness; tests; tool; true; turning; type; use; values; wear; wiper
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- hjic-284
- author: Lukács, M.
- title: State of Process Developments and Trends in Hard Gear Finishing
- date: 2010-09-01
- words: 4180
- flesch: 52
- summary: The most common machine tool control system applied in generating grinding machines is the Siemens 840D, which includes its own complex generating grinding software, which can significantly ease machine tool programming. The first version is the roughing and finishing of tooth flanks by profile grinding disc.
- keywords: adobe; angle; application; case; cbn; combination; continuous; control; developments; diameter; different; disc; discontinuous; error; false; finishing; flanks; gear; gearing; generating; generating grinding; geometry; grinding; grinding wheel; ground; hard; heat; high; layer; left; machine; machine tool; machining; manufacturing; number; pdf; pitch; pitch error; process; processes; production; productivity; profile; profile grinding; quality; results; right; roughing; set; single; size; system; technology; time; tool; tooth; treatment; true; use; wheel; workpiece; worm
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- hjic-286
- author: Molnos, É.; Nyilasi, A.; Rákhely, G.; Muntean, O.; Kovács, K. L.
- title: Photofermentative Production of Hydrogen by Thiocapsa Roseopersicina from Simple Organic Substrates
- date: 2010-09-01
- words: 3262
- flesch: 50
- summary: In the present study, H2 production by the Hox1 soluble hydrogenase and the nitrogenase were investigated. The nitrogenase based H2 production in purple non-sulphur bacteria is the major field of research [6], while the study of nitrogenase mediated H2 production in purple sulphur bacteria seems to be a novel approach.
- keywords: /qfactor; acids; adobe; bacteria; biohydrogen; biomass; carbon; case; cell; concentration; conditions; control; culture; daily; day; days; different; energy; enzyme; false; growth; h2 production; higher; hox1; hydrogenase; journal; kovács; l culture; medium; nitrogenase; non; organic; pdf; production; purple; pyruvate; roseopersicina; strains; study; substrates; succinate; sulphur; thiocapsa; true; vivo
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- hjic-287
- author: Monostori, R.; Dudás, I.
- title: The Application of Probability Theory for Drilling
- date: 2010-09-01
- words: 2939
- flesch: 54
- summary: (Use these settings to create Adobe PDF documents best suited for high-quality prepress printing. The definition of the position of holes It is possible to determine the position of the holes in many ways.
- keywords: accuracy; accurate; adobe; axis; base; bores; boring; case; component; course; data; difference; direction; drill; drilling; errors; evaluation; false; faulty; figure; hole; measurement; methods; pdf; position; possible; quality; shape; shaping; spiral; statistical; surfaces; table; test; tolerance; tool; true; way; workpiece
- versions: original; plain text
- hjic-288
- author: Nagy, L.; Jakab, E.
- title: Developement of New Technical Solution for Starter Motors for Passenger Cars
- date: 2010-09-01
- words: 4649
- flesch: 54
- summary: The number of possible theoretical solutions is given according to the following relation: 2621444SSSSSSSSST 912FE11FEFDFC22FB21FB12FB11FBFAS ==⋅⋅⋅⋅⋅⋅⋅⋅= It is easy to see that between the sub-functions SFB11 and SFB12, SFB21 and SFB22, and SFE11 and SFE12 there exists an or connection, therefore the number of theoretical solutions according to (2) is ( ) 32768 8 SSSSSSSSS T 12FE11FEFDFC22FB21FB12FB11FBFAS = ⋅⋅⋅⋅⋅⋅⋅⋅ = In the functional design stage the characteristics of the solution principles at a low level of concretisation in general are not known to the extent that combination and optimisation can be performed by mathematical methods. Figure 1: Compatibility matrix On the basis of the compatibility matrix (Fig. 1), the possible theoretical solutions of the task total can be arranged in a tree diagram Sub-functions SFB21 and SFB22 were removed in working with the solution principles, however, they are necessary in the analysis, therefore the number of possible theoretical solutions is 130 2242842TSM =⋅⋅= , which can be divided into three different groups: ● Device controlled from a hydraulic supply unit (A2 branch): 961242T 2SMA =⋅⋅= theoretical solutions.
- keywords: adobe; armature; axle; basis; case; classical; combustion; connection; contact; design; development; device; displacement; electric; energy; engine; engineering; false; fig; figure; force; functions; hydraulic; impact; individual; industrial; internal; losses; main; matrix; mechanical; mechanism; methods; necessary; new; number; objective; operation; order; patent; pdf; pem; phase; pinion; pneumatic; possible; process; requirements; revolution; set; simulation; solenoid; solutions; sources; spring; stage; starter; starting; sub; supply; switch; table; task; theoretical; theories; theory; time; true; unit; vdi; vehicles
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- hjic-289
- author: Ráczkövi, L.
- title: Tool Life of Cutting Tool in Case of Hard Turning
- date: 2010-09-01
- words: 2661
- flesch: 56
- summary: This equation is called the simple Taylor equation, differentiated from its later, improved version, which also reflects the effect feed-rate and the depth of cut plays on tool life. The experiments designed to determine tool life were accomplished using PCBN tool with different cutting speeds and values of federating and depth of cutting.
- keywords: adobe; calculated; case; conditions; constants; curve; cutting; depth; different; equation; experiments; false; fig; figure; hard; kundrák; life; measured; parameters; parts; pcbn; pdf; process; range; rev; speed; table; taylor; tool; tool life; true; turning; values; wear
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- hjic-291
- author: Pethő-Rippel, D.; Horváth, G.
- title: The Examination of the Boundary Layer Formed on the Nickel Electrode/Solution Interface in the Boundary Layer Separation Method in Plastic Industrial Wastewaters
- date: 2010-09-01
- words: 4319
- flesch: 56
- summary: Nickel pastille electrodes prepared with powder metallurgical methods and nickelized nickel electrodes prepared with electrolysis were used for the experiments. It is concluded that it is pointless to exceed the relative velocity of 25 cm/s in the case of nickel pastille electrodes and 10 cm/s in the case of nickelized nickel electrodes.
- keywords: adobe; anions; anode; blsm; boundary; boundary layer; case; cathode; cations; chem; compartment; device; diagram; difference; diffuse; double; electrodes; electrosorption; experiments; false; fig; figure; flow; function; high; industrial; ions; layer; liquid; measured; method; nickel; nickel electrodes; nickel pastille; nickelized; nickelized nickel; pastille; phenomenon; polarization; potential; rate; separation; solution; surface; transfer; transport; true; velocity; wastewater; zeta
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- hjic-292
- author: Hornyák, O.; Sáfrány, G.
- title: Models and Methods to Detect Similarity of Manufacturing Machines
- date: 2010-09-01
- words: 3470
- flesch: 49
- summary: O. HORNYAK, G. SAFRANY: Group technology for automated generation of machine controller code. Fig. 2 refers to the process in which new manufacture machine controller software can be automatically generated.
- keywords: /qfactor; adobe; algorithm; approach; block; clustering; code; coding; computer; controller; database; description; design; development; diagonal; engineering; engineers; false; function; generation; genetic; group; grouping; hardware; high; ladder; level; machines; manufacturing; matrix; maximum; methods; modular; modules; need; new; number; pdf; plc; process; product; programming; project; similar; similarity; smith; software; technology; tools; true; use; waterman; ⎢ ⎢; ⎥ ⎥
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- hjic-293
- author: Simon, B.; Tamaska, L.; Kováts, N.
- title: Analysis of Global and Local Environmental Impacts of Bus Transport by LCA Methodologies
- date: 2010-09-01
- words: 3111
- flesch: 55
- summary: Primary aim of this present study is to estimate environmental impacts of air emissions caused by bus transport and to serve as an important basis for a decision-making process being necessary for achieving changes. Several studies have been already published for estimating emissions and environmental impact, which results have been incorporated in this present study [4, 5, 6, 7, 8].
- keywords: adobe; analysis; assessment; best; biodiesel; buses; case; cng; co2; cycle; different; emissions; environmental; equivalent; euro; false; figure; fuel; gas; global; gwp; high; htp; human; hybrid; hydrogen; impact; important; kilometer; life; local; materials; number; ozone; pdf; performance; pocp; potential; present; production; public; scenarios; study; table; transport; transportation; true; types; urban; vehicle; warming
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- hjic-294
- author: Somogyi, V.; Domokos, E.; Rédey, Á.
- title: Simulation of a Secondary Settler Based on Sedimentation Curves
- date: 2010-09-01
- words: 3274
- flesch: 50
- summary: False settler values deteriorate the results of the whole model of the wastewater treatment plant. set 3892 8 6600 6993 250 Preparation for modeling Samples from the last section of the aerated tank were taken for three different occasions in order to receive different suspended solids concentrations.
- keywords: adobe; calculated; cases; concentration; curves; data; different; dimensional; effluent; false; flow; function; hindered; layer; linear; maximum; measured; measurement; model; order; parameters; pdf; plant; process; results; samples; science; secondary; section; sedimentation; settler; settling; simulation; sludge; solids; solids concentration; takács; technology; treatment; true; values; velocity; vesilind; wastewater; zone
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- hjic-295
- author: Szabó, G.
- title: Research of the Mechanism of Plastic Strain in Case of Tempered Steel in Hard Turning
- date: 2010-09-01
- words: 2697
- flesch: 57
- summary: 7. Coordinates of points given in mm-s Figure 6: The calculation of the length of spacing between the originating „saw-teeth” of the developing chip 167 Figure 7: Connection between chip bulge and cutting speed Conclusion FEM simulation for case hardened steel was carried out to examine the mechanism of chip formation. In the paper the change of the morphology of chip formation is compared depending on the cutting speed.
- keywords: adobe; case; chip; cutting; element; false; fem; figure; finite; force; ford; formation; hard; hardened; length; material; mechanism; min; morphology; parameters; pdf; plastic; removal; segment; simulation; size; speed; strain; time; tool; true; turning; workpiece
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- hjic-296
- author: Szakács, K.
- title: Research of Roughness of Hard Turned Bores
- date: 2010-09-01
- words: 1943
- flesch: 48
- summary: However, hard turning can be pretend to quasy absolute environmentally friendly procedure for neglecting of coolants and lubricants, but because of fluctuation of surface roughness its change to combined machining is suggested, which involves a little load of environment. After the hard turning and combination machining tests, the relevant changes of surface profiles and surface roughness parameters were successively registered and measured by a profilometer.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; case; combination; combined; cutting; experimental; false; fig; grinding; hard; hardened; journal; kundrak; machined; machining; manufacturing; materials; parameters; pdf; roughness; surface; table; technology; tool; true; turning; wear; work; workpieces
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- hjic-297
- author: Meiczinger, M.; Marton, Gy.
- title: The Production and Investigation of Starch Based Slow Released Encapsulating Agents
- date: 2010-09-01
- words: 3055
- flesch: 58
- summary: In this paper we present our experiences about dissolution of the zinc and copper in different pH. Keywords: slow release, encapsulating agent, starch derivatives Introduction For many years our research group deals with the improvement of starch derivatives, which are able to slow release of micro components as fertilizers. Through the modification of starch, we replaced some of its OH groups in the anhydroglucose monomer unit by the ionic groups of phosphate with chemical reaction.
- keywords: able; additives; adobe; change; components; cu2; cuzn; d ph; day; different; different ph; dissolution; false; fertilizers; figure; groups; micro; microelements; pdf; phosphate; production; quality; release; releasing; slow; soil; solid; starch; time; true; value; water; weight; zn2
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- hjic-298
- author: Szentgyörgyi, E.; Bélafi-Bakó, K.
- title: Anaerobic Membrane Bioreactors
- date: 2010-09-01
- words: 3737
- flesch: 42
- summary: 181-185 (2010) ANAEROBIC MEMBRANE BIOREACTORS E. SZENTGYÖRGYI , K. BÉLAFI-BAKÓ Research Institute of Chemical and Process Engineering, University of Pannonia Egyetem u. 10, Veszprém, HUNGARY E-mail: szentgyorgyi@almos.uni-pannon.hu The aim of this work was to give a general overview on the type and behaviour of anaerobic membrane bioreactors, which are intensively studied for waste water treatment processes. Anaerobic membrane bioreactors for wastewater treatment: feasibility and potential applications, PhD thesis, Wageningen University, Wageningen, The Netherlands (2007).
- keywords: adobe; anaerobic; applications; applied; biomass; bioreactors; cake; comparison; concentration; conditions; critical; cross; deposition; effect; energy; false; filtration; flow; flux; fluxes; formation; fouling; gas; high; higher; increase; journal; layer; lower; mbrs; membrane; mesophilic; operational; particle; permeate; process; processes; properties; rates; requirements; research; retention; science; separation; shear; size; sludge; stream; submerged; surface; suspension; technology; temperature; thermophilic; time; treatment; true; wastewater
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- hjic-299
- author: Szőke, I.; Majdik, A.; Lupea, D.; Tamás, L.; Lazea, Gh.
- title: Autonomous Mapping in Polluted Environments
- date: 2010-09-01
- words: 3704
- flesch: 52
- summary: Airborne chemical sensing with mobile robots, Sensors, 2006. L. MARQUES, A. MARTINS, A. DE ALMEIDA: Environmental monitoring with mobile robots, Conference on Intelligent Robots and Systems, IROS 2005.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; able; adobe; algorithm; autonomous; building; chemical; clusters; data; different; distances; environment; false; feature; figure; gas; gaussian; ieee; image; indoor; laser; localization; main; map; mapping; means; method; mobile; navigation; new; objective; odor; office; order; pdf; point; pollution; power; prototype; research; rnk; robot; sensors; set; solar; source; step; stereo; surf; system; time; true; values; vision; visual
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- hjic-300
- author: Tóth, G. N.; Berek, L.
- title: Risk Methods and Chance of Practices
- date: 2010-09-01
- words: 2490
- flesch: 43
- summary: Keywords: Risk methods, risk management software Introduction Many forces are obliging safety design; legal requirements, quality, costs, market and international influences, competition, the desire to have knowledge and the costs of retraining engineers. , HUNGARY E-mail: toth.georgina@bgk.uni-obuda.hu 2Zrínyi Miklós University of National Defence E-mail: berek.lajos@zmne.hu Risk analysis is made in several fields of science, moreover in business, manufacturing, protection of enviroment, disaster recovery, hygiene, labour safety, or in the increasingly important information security.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; analysis; application; assessment; capable; cases; components; course; cramm; different; easy; effects; false; fields; figure; fmea; hazard; information; level; management; mathematical; methods; model; need; pdf; problems; process; qualitative; results; risk; safety; security; software; technique; time; tool; tree; true; types; vulnerability
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- hjic-301
- author: Szabó, P. J.; Varga, P.
- title: Mechanical and Thermal Treatments Influencing the Grain Boundary Character Distribution
- date: 2010-09-01
- words: 2754
- flesch: 47
- summary: But these kinds of circumstances cannot be put into practice, and even at very low friction coefficient values the strain field remains nearly homogeneous only at low strain values. At a high friction coefficient value (m = 0.8) besides the big differences in the values of effective strain, its nearly linear change can be observed at zero height value (z = 0).
- keywords: adobe; boundaries; boundary; case; coefficient; control; csl; differences; displacement; effective; effective strain; engineering; experiments; false; field; friction; furnace; grain; heating; homogeneous; ideal; low; materials; methods; parameters; pdf; process; results; samples; special; specimen; state; strain; strain field; strain values; temperature; treatment; true; values
- versions: original; plain text
- hjic-302
- author: Drégelyi-Kiss, Á.; Gimesi, L.; Homoródi, R.; Hufnagel, L.
- title: Examination the Interaction between the Composition of a Theoretical Ecosystem and the Increase in the Atmospherical CO2 Level
- date: 2010-09-01
- words: 3628
- flesch: 50
- summary: Keywords: theoretical ecosystem, feedback, climate modelling, climate change, control Introduction and aims The latest IPCC report [8] points out that a rise of 1.5–2.5 °C in global average temperature makes important changes in the structure and the working of ecosystems, primarily with negative consequences towards the biodiversity and goods and services of the ecological systems (e.g. [1, 3, 13, 17]). There is a continuous cycle and flow of inorganic compounds between the atmosphere and the ecosystems, therefore the anthropogenic affects (such as CO2 emission) strongly modify the activities of ecosystems.
- keywords: adobe; anthropogenic; anthropogenic effect; atmosphere; average; budapest; carbon; case; change; climate; co2; control; daily; data; decrease; diversity; drégelyi; earth; ecological; ecology; ecosystem; effect; environmental; false; feedback; fig; figure; freshwater; global; hufnagel; important; increase; kiss; number; plants; production; research; series; simulation; species; specimens; study; summer; temperature; theoretical; true; values
- versions: original; plain text
- hjic-303
- author: Fodor, D.; Medve, H.; Szalay, I.; Kulcsár, T.
- title: Sensorless Rotor Position Detection of PMSM for Automotive Application
- date: 2010-09-01
- words: 2866
- flesch: 49
- summary: The construction of permanent magnet synchronous motors yields the advantages mentioned above but they do not have only bright side. Saturation: the rotor permanent magnets reluctance is flux dependent.
- keywords: adobe; air; angle; anisotropies; circuit; component; control; current; difference; electrical; equations; false; flux; function; high; important; induced; inductance; magnet; magnetic; magnetomotive; matrix; mechanical; method; model; motors; pdf; permanent; permanent magnet; phase; point; position; reluctance; rotor; sensorless; stator; synchronous; system; torque; true; voltage; windings
- versions: original; plain text
- hjic-304
- author: Barányi, I.
- title: Power Spectral Density (PSD) Analysis of Machined Surfaces
- date: 2010-09-01
- words: 2159
- flesch: 43
- summary: The theoretical base of 3D PSD analysis was [2] and [5]. PSD analysis of the theoretical surface In this part I solve the fractal dimension of the theoretical surface.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; amplitude; analysis; axis; characterisation; curve; density; dimension; direction; false; fig; figure; fractal; intersection; line; machining; methods; parallel; pdf; perpendicular; power; profile; psd; roughness; spectral; study; surface; topography; true; vertical
- versions: original; plain text
- hjic-305
- author: Lénárt, J.
- title: High-Tech Boat
- date: 2010-09-01
- words: 2212
- flesch: 53
- summary: (Use these settings to create Adobe PDF documents best suited for high-quality prepress printing. Keywords: boat, embedded control, remote control, GPS, linux, multithreaded control Objectives, motivation As an apropos of a program held in Leuven, Belgium, has been suggested to build a watercraft that can be controlled from the riverbank, suitable to carry some spectacular decoration and has high-tech features like cameras, displays, etc.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; boat; circuit; commands; computer; control; controller; damien; data; decoration; electronics; false; father; figure; function; gps; high; i2c; interface; leuven; memory; motors; pcb; pdf; power; program; river; small; software; switching; system; true; user
- versions: original; plain text
- hjic-306
- author: Sztankovics, I.
- title: Automatic Robotic Assembly System in the Service of the Vehicle Industry and the Environment
- date: 2010-09-01
- words: 2697
- flesch: 51
- summary: It has a testing opportunity with or without robot motion. Keywords: robotic assembly, SCARA robot.
- keywords: /qfactor; /tileheight; /tilewidth; adobe; areas; assembly; automation; case; construction; daaam; false; flexible; groups; handler; hungary; international; kovács; kundrák; line; machine; main; miskolc; operations; opportunities; papp; pdf; place; position; proc; production; products; quality; robot; robotic; scara; symposium; system; tools; true; type; university; use; workpieces
- versions: original; plain text
- hjic-307
- author: Bányai, K.; Mándy, Z.; Dudás, I.
- title: Two Special Cases of the Holonic Manufacturing System
- date: 2010-09-01
- words: 2652
- flesch: 45
- summary: The structures and principles The holonic manufacturing system (HMS) is built up from three elemental holons: an order holon, product holon and a source holon. Autonomy and cooperation are two important characteristics of holons.
- keywords: able; adobe; architecture; autonomy; ccd; central; changes; characteristics; concept; cooperation; example; false; group; hms; holon; holonic; holonic manufacturing; important; information; intelligent; machine; manufacturing; manufacturing system; mas; material; measure; order; parts; pdf; process; product; production; self; source; subordinate; system; transport; true; unit
- versions: original; plain text
- hjic-309
- author: Thury, P.; Bartha, L.; Gulyás, G.; Pitás, V.; Fazekas, B.; Kárpáti, Á.
- title: Improvement of Biofilm Carriers for the Treatment of Automotive Industry Wastewater
- date: 2012-09-01
- words: 1906
- flesch: 46
- summary: Based on the results, it can be stated that the suggested advantageous characteristics of CNTs do not appear as it is mixed in the plastic raw material during the production of biofilm carriers. The absence of the significant difference observed between the examined carriers suggests that the production of biofilm carriers from recycled plastic could carry financial advantages compared to the control carrier.
- keywords: automotive; biofilm; biofilm carriers; biological; carriers; cnt; cod; cod removal; colonisation; control; difference; efficiency; figure; hdpe; industry; plastic; ratio; reactors; removal; results; sewage; significant; sludge; treatment; wastewater; weeks
- versions: original; plain text
- hjic-310
- author: Hodai, Z.; Horváth, G.; Hanák, L.; Bocsi, R.
- title: Separation Methods in the Algae Technology
- date: 2012-09-01
- words: 2561
- flesch: 44
- summary: The following 40 dm3 of algae suspension was densified according to the procedure given above and coded UF2. During the experiments, the freshly harvested and still reproducing algae mixtures exhibited excellent flocculation and appropriate (average) speed of sedimentation (6×10-3 m/s).
- keywords: algae; algae suspension; cells; chemical; cm3; concentrate; concentration; conductivity; content; densification; department; device; dm3; dry; energy; engineering; experiments; figure; flocculant; flocculation; initial; interval; journal; matter; membrane; microalgae; mixture; naoh; nutrient; permeate; processes; processing; reproduction; results; salts; sedimentation; separation; suspension; technology; ultrafiltration; vessel; volume
- versions: original; plain text
- hjic-311
- author: Banhidi, O.
- title: Determination of Phosphorous, Suplhur, and Silicon Content of Low-alloyed and Unalloyed Steel by Icp-aes After a Unified Wet Chemical Sample Preparation Procedure
- date: 2012-09-01
- words: 2998
- flesch: 58
- summary: Keywords: wet chemical sample preparation procedure, ICP-AES analysis, determination of P, S and Si content of steel Introduction Phosphorous, sulphur, and silicon are rather important constituents of steel, because they have a strong influence on its properties. Although the methods based on dissolution of the solid samples may have several drawbacks – such as much time may be necessary to dissolve the sample, sample losses may occur, or the sample may be contaminated either from the dishware or from the chemicals, etc. –, the methods using wet chemical sample preparation have some definite advantages: almost any kind of sample can be used and normally there is no need to have many special certified reference materials to perform the calibration.
- keywords: acid; analysis; analytical; asmw; calibration; chemical; curves; determination; dissolution; elements; form; icp; important; lines; method; phosphorous; preparation; procedure; repeatability; sample; sample preparation; silicon; solid; solution; standard; steel; suitable; table; time; wet
- versions: original; plain text
- hjic-312
- author: Bocsi, R.; Hanák, L.; Horváth, G.; Hodai, Z.; Rippel-Pethő, D.; Szabó-Ravasz, B.; Szokonya, L.; Takács, Gy.
- title: Algae Cultivation for Energetic Purposes, Research on Algae Technolgy at the University of Pannonia
- date: 2012-09-01
- words: 2167
- flesch: 45
- summary: Our first objectives were algae cultivation for energetic purposes in addition to carbon-dioxide capture. We have studied the technology of algae cultivation and processing at the Department of Chemical Engineering at the University of Pannonia.
- keywords: algae; algae cultivation; algae suspension; carbon; components; concentration; content; cultivation; densification; dry; energetic; energy; experiments; extraction; high; important; laboratory; light; lipid; methods; microalgae; necessary; needs; number; nutrient; order; pannonia; parameters; phase; processing; production; propagation; reactor; research; solution; step; suspension; system; technology
- versions: original; plain text
- hjic-314
- author: Kasza, T.; Tóth, Cs.; Hancsók, J.
- title: Application of Improved Bio-Paraffins in Diesel Fuels
- date: 2012-09-01
- words: 5282
- flesch: 57
- summary: TÓTH2, J. HANCSÓK2 1MOL Hungarian Oil and Gas Plc., Százhalombatta, HUNGARY 2University of Pannonia, MOL Department of Hydrocarbon and Coal Processing, 10 Egyetem Str., Veszprém, HUNGARY E-mail: hancsokj@almos.uni-pannon.hu Bio-paraffin containing mixtures produced from different natural triglycerides (conventional and improved vegetable oils, used cooking oils and fats, etc.) have high cetane number (95-105 units), but their freezing points are high (between +15 and +32°C). Investigation of the production of high cetane number bio gas oil from pre-hydrogenated vegetable oils over Pt/HZSM- 22/Al2O3, Microporous and Mesoporous Materials, 101 (2007) pp.
- keywords: bar; biodiesel; biogasoils; blending; case; catalysts; catalytic; cetane; cetane number; cfpp; cold; components; concentration; contact; content; conversion; costs; cracking; density; diesel; effect; energy; experiments; feedstock; figure; flow; fuel; function; h-1; hancsók; high; higher; hydrocarbons; hydrogenation; improved; increase; isoparaffin; lhsv; light; low; lower; lshv; mixtures; nm3; normal; number; oil; paraffins; point; pressure; processing; production; products; properties; quality; range; ratio; reactions; temperature; time; triglycerides; unit; value; vegetable; yield
- versions: original; plain text
- hjic-315
- author: Vazid, A.; Urvashi, V.; Jyotsna, K.; Alhadi Faroun, S. A.; Mohd, I.
- title: Synthesis, Physico-Chemical Properties, and Spectroscopic Characterization of Phenolic Modified Castor Oil Based Polyol
- date: 2012-09-01
- words: 3230
- flesch: 52
- summary: In the second and third set, castor oil and phenolic resin concentration were kept constant in all the three prepared polyol samples with varying concentrations of diethylene glycol and diethanolamine as shown in Table 1. In the present study, castor oil has been modified with blending phenolic resin and reacted with diethanolamine (DEA) and diethyleneglycol (DEG) to synthesize the polyol.
- keywords: absorption; acid; band; castor; ch2; ch3; ch3 ch3; characterization; chemical; coefficient; concentration; content; dea; deg; diethanolamine; diethyleneglycol; extinction; figure; ftir; gap; journal; modified; moisture; nmr; oil; optical; peak; phenolic; phmp; physico; polyol; prepared; present; properties; resin; samples; spectra; spectroscopic; studies; synthesized; value
- versions: original; plain text
- hjic-316
- author: Csanádi, Z.; Kurdi, R.; Bélafi-Bakó, K.
- title: Ethyl-Acetate Synthesis in Gas Phase by Immobilised Lipase
- date: 2012-09-01
- words: 3501
- flesch: 45
- summary: Therefore, it can be stated that the studied enzyme catalyzed esterification reaction can be carried out more easily and efficiently in gas phase than it other reaction media due to the much more effective mass transfer, low viscosities, and high diffusion coefficients in the gas phase. Gas phase ethyl acetate production was studied by Hwang and Park
- keywords: acetate; acetic; acetic acid; acid; activation; bioreactor; biotechnology; carrier; composition; continuous; conversion; effect; energy; enzymatic; enzyme; esterification; ethanol; ethyl; experiments; figure; flow; gas; higher; immobilized; initial; lipase; liquid; lower; media; natural; optimal; organic; phase; production; ratio; reaction; solid; substrate; system; temperature; time; unit; vapour; yield
- versions: original; plain text
- hjic-317
- author: Baladincz, P.; Ludányi, A.; Leveles, L.; Hancsók, J.
- title: Production of Gas Oil Components from Waste Fats
- date: 2012-09-01
- words: 5105
- flesch: 55
- summary: Hence, during the experimental work, our aim was to investigate the possibilities of the production of bio gas oil and bio gas oil containing gas oils on waste fat basis via the hydroconversion of waste rancid lard itself and as a 50% mixture with gas oils. Bio-derived motor fuels of Diesel-engines The primordial fuel of the Diesel-engine was a vegetable oil (peanut oil), thus for the sake of satisfying the continuously increasing gas oil demand, vegetable oils and their different percentage mixtures with gas oil are attempted to be utilized [6].
- keywords: al2o3; bar; bio; bio gas; carbon; case; catalysis; catalyst; ch2; cold; como; content; diesel; different; energy; european; experimental; fatty; feedstock; figure; flow; fraction; fuels; function; gas; gas oil; h-1; hancsók; high; hydroconversion; lard; lhsv; main; mixture; motor; non; oil; oils; paraffins; parameters; pressure; process; product; production; properties; ratio; state; sulphided; temperature; triglyceride; vegetable; waste; yield
- versions: original; plain text
- hjic-318
- author: Bélafi-Bakó, K.; Boór, A.; Nemestóthy, N.
- title: Comparative Study on Concentration of Juices from Colourful Wild Berry Fruits by Membrane Osmotic Distillation
- date: 2012-09-01
- words: 1670
- flesch: 54
- summary: 53–56 (2012) COMPARATIVE STUDY ON CONCENTRATION OF JUICES FROM COLOURFUL WILD BERRY FRUITS BY MEMBRANE OSMOTIC DISTILLATION K. BÉLAFI-BAKÓ , A. BOÓR, N. NEMESTÓTHY University of Pannonia, Research Institute on Bioengineering, Membrane Technology and Energetics 10 Egyetem Str., 8200 Veszprém, HUNGARY E-mail: bako@almos.uni-pannon.hu Concentration of fruit juices by membrane osmotic distillation (MOD) was studied. 119–123 4. K. BÉLAFI-BAKÓ, B. KOROKNAI: Enhanced flux in fruit juice concentration: coupled operation of osmotic evaporation and membrane distillation, Journal of Membrane Science, 269 (2006) pp.
- keywords: antioxidant; berries; blackthorn; capacity; cherry; colourful; common; concentrated; concentration; content; cornelian; distillation; evaporation; experiments; figure; flux; fresh; fruit; high; hungary; juices; membrane; mod; osmotic; polyphenol; process; processes; solution; total; tss; whitebeam; work
- versions: original; plain text
- hjic-319
- author: Lakatos, I.; Nagy, V.; Kőrös, P.; Orbán, T.
- title: Computer Aided Modelling of Hybrid Mini Van
- date: 2012-09-01
- words: 2309
- flesch: 51
- summary: Electric drive system and all vehicle control components (power electronics for e-motors, battery management system, etc.) were developed at the Széchenyi István University. A completely new data bus had to be constructed connecting to the existing CAN-BUS network to control the units of electric drive system (Ford data bus, power steering, e-motor bus).
- keywords: avl; axle; battery; bench; brake; coefficient; cruise; data; development; diesel; drive; efficiency; electric; engine; figure; friction; inertia; internal; istván; load; main; measurements; model; modelling; modules; moment; motor; parameters; power; radius; rear; roller; simulation; software; speed; system; tests; train; university; validation; van-09; vehicle
- versions: original; plain text
- hjic-329
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-332
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-334
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-335
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-336
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-337
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-338
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-339
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-340
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-341
- author: None
- title: 404 Not Found
- date: None
- words: 14
- flesch: 89
- summary: 404 Not Found Not Found The requested URL was not found on this server.
- keywords: server
- versions: original; plain text
- hjic-343
- author: Bélafi-Bakó, K.; Molnár, E.; Csanádi, Z.; Nemestóthy, N.
- title: Comparative Study on Electrodialysis Systems for Galacturonic Acid Recovery
- date: 2012-09-01
- words: 1579
- flesch: 46
- summary: Table 1: Parameters of the two-step ED system for galacturonic acid recovery and desalination Features of the modules Conventional asymmetric ED Combined with BP membrane Membranes 3 cation selective, 2 anion selective 2 cation selective, 1 bipolar Membrane surface area 0.0225 m2 0.0135 m2 Volumes of solutions feed (diluate): 100 ml, concentrate: 150 ml feed (acid): 100 ml, alkali: 150 ml Recirculation rate 32 ml/min 32 ml/min Electrode solution 200 ml 0.5 mol/l Na2SO4 200 ml 0.5 mol/l Na2SO4 Recirculation rate 60 ml/min 60 ml/min Applied voltage 5 V 5 V Processes galacturonate anions and Na cations pass through the membranes to accumulate in the concentrate galacturonate anions remain, BP provides H+, In this work galacturonic acid (GA) obtained by enzymatic hydrolysis of pectins from various sources was separated by a laboratory scale, two-step ED stack and a scaled-up, complex ED system.
- keywords: acid; applied; bipolar; complex; desalination; electrodialysis; energy; feed; galacturonate; galacturonic; laboratory; membrane; module; pectin; recovery; results; scale; selective; separation; solution; step; sugar; system
- versions: original; plain text
- hjic-344
- author: Varga, Cs.; Tóth, B.; Gergó, P.; Bartha, L.
- title: Effect of a New Type of Coupling Agent on The Mechanical Properties of Various Multi-Walled Carbon Nanotube/Rubber Composites
- date: 2012-09-01
- words: 4320
- flesch: 61
- summary: Application of carbon nanotubes (CNT) may represent a breakthrough in rubber matrices either but only small quantities have been introduced because of their relatively high price. If mechanical properties of rubber composites can be improved to a large extent enough then the cost reduction can become less important.
- keywords: agent; application; applied; break; carbon; ch2; ch3; composites; concentration; content; coupling; cycles; different; effects; elongation; fatigue; fatigue tensile; figure; iii; load; matrices; matrix; mechanical; modulus; mpa; mwcnt; nanotubes; properties; results; rubber; rubber matrix; r‐iii; samples; sci; sem; strength; stresses; surface; technol; tensile; tensile strength; tests; treatment; type; untreated; wt%
- versions: original; plain text
- hjic-345
- author: Lukacs, Z.
- title: Application of the Remote Earth Potential in Cathodic Protection Measurements
- date: 2012-09-01
- words: 3875
- flesch: 47
- summary: As follows from Eq. 7, the slope of this linear relationship gives the difference of the remote earth ON and OFF potentials and the intercept gives the remote earth OFF potential. Unlike conventional CIPS measurements, here the two reference electrodes of the mobile data logger measured different potentials: one reference electrode (electrode No. 2) was measuring the potential above the pipeline and the other electrode (electrode No. 1) was measuring the potential some 3 m apart from the pipeline (cf. Fig. 1).
- keywords: calculated; cases; cathodic; cathodic protection; coating; coating defect; current; data; defect; determination; different; drop; earth; electrode; equipotential; figure; foreign; free potential; measured; measurement; method; negative; ohmic; ohmic potential; pipeline; potential; potential data; potential drop; protection; ratio; reference; remote; resistance; source; structure; surfaces; system; value
- versions: original; plain text
- hjic-346
- author: Vozik, D.; Madarász, J.; Csanádi, Z.; Fodor, A.; Dublecz, K.; Bélafi-Bakó, K.
- title: Study on Analysis of Antibiotic Compounds from Enthomopathogenic Bacteria by Ft-Ir
- date: 2012-09-01
- words: 1938
- flesch: 45
- summary: Figure 1: Antibiotic compounds purified with iPrOH from EMA Figure 2: Antibiotic compounds purified with MeOH from EMA In the case of amino acids only two side chain moieties absorb in spectral regions that are free from overlapping absorption by other groups and thus allow the spectroscopists an unambiguous assignment without further experiments. These groups were obtained in none of the IR spectra. Figure 3: Antibiotic compounds purified with iPrOH form EMC 85 All other side chain absorption overlap with the absorption of other side chains or of the polypeptide backbone and further experiments are needed to assign an absorption band to a specific side chain moiety.
- keywords: absorption; acid; activity; amino; analysis; antibiotic; antimicrobial; bacteria; band; cm-1; compounds; different; entomopathogenic; faculty; glutamine; hungary; infrared; iproh; journal; meoh; method; nematodes; pannonia; peptides; plant; proteins; purified; spectra; symbiotic; tab; table; tyrosine; xenorhabdus; ν(c; ν(cn
- versions: original; plain text
- hjic-347
- author: Tóth, G.; Lövitusz, É.; Nemestóthy, N.; Bélafi-Bakó, K.
- title: Biocatalytic Hydrogen Sulphide Removal from Gaseous Streams
- date: 2012-09-01
- words: 2309
- flesch: 44
- summary: Figure 5 presents the experimental results: the variation of hydrogen sulphide concentration [mg S2-/L] compared to the control (bind) one as a function of reaction time in cases of MAVICELL-B cellulose beads (Fig. 5/a), alginate beads (5/b) and granulated activated carbon (5/c). Based on the protein determination it is obvious that the microbes were able to immobilise in the supports and worked properly to reduce hydrogen sulphide concentration in the liquid phase.
- keywords: alginate; area; bacteria; beads; biogas; carbon; cells; cellulose; chemical; compounds; concentration; content; dimethyl; experiments; features; figure; gas; hydrogen; hydrogen sulphide; immobilised; intermedia; liquid; mavicell; method; microbes; microorganisms; phase; protein; removal; source; strains; sulphide; support; surface; table; thiobacillus; thiomonas; thioparus; water
- versions: original; plain text
- hjic-348
- author: Borbély, T.
- title: Optimal Design of High-Temperature Thermal Energy Store Filled with Ceramic Balls
- date: 2012-09-01
- words: 4127
- flesch: 59
- summary: The heat-loss can be reduced by using heat store with small specific surface and by allowing charge from middle to outside and discharge from outside to middle. The melt of the solar salt (60% NaNO3 + 40% KNO3) is used out of these materials in concentrated solar power plants as heat storage material (operating temperature range 260–550ºC, volumetric heat capacity ~2.84 MJ/m3K [11]).
- keywords: ball; bed; capacity; cascade; case; charge; cycle; demand; diameter; discharge; duct; efficiency; energy; energy storage; figure; flow; functions; heat; heat quantity; heat storage; heat stores; heat transfer; heat transport; higher; increasing; layout; long; long heat; loss; m3k; material; number; optimal; optimization; overall; overall efficiency; place; power; pressure; sensible heat; short; solar; solid heat; specific; storage material; store; system; temperature; thermal; transport medium; way; work
- versions: original; plain text
- hjic-349
- author: Bánhidi, O.
- title: Study of the Properties of a Plain Cathode Grimm-Type Dc Glow Discharge Source Operated in a Current-controlled Pulse Regime
- date: 2012-09-01
- words: 3035
- flesch: 65
- summary: CATHODE GRIMM-TYPE DC GLOW DISCHARGE SOURCE OPERATED IN A CURRENT-CONTROLLED PULSE REGIME O. BÁNHIDI University of Miskolc, Institute of Chemistry, Miskolc-Egyetemváros, Miskolc, H-3515 HUNGARY E-mail: akmbo@uni-miskolc.hu Glow discharge sources have been used for analytical purpose for several years. By using constant current pulses, the state of the system can also be controlled.
- keywords: constant; current; current generator; current pulses; cycle; device; discharge; drop; duty; emission; emitted; experiments; figure; filling; function; gas; generator; glow; high; high current; intensity; light; line; mode; power; pressure; pulses; source; sputtering; system; time; value; voltage
- versions: original; plain text
- hjic-350
- author: El-Desouky, T.A.; May Amer, M.; Naguib, K.
- title: Effects of Pan Bread Making on Zearalenone Levels in Artificial Contaminated Wheat Flour
- date: 2012-09-01
- words: 3257
- flesch: 56
- summary: Time of fermentation dough(min) 25 50 75 100 After mixed directly 23.26 ±0.34 46.98± 0.4 73.71 ±0.12 96.45± 0.17 30 10.3 ±0.26 22.45± 0.28 39.76 ±0.71 65.58± 0.73 45 7.52 ±0.1 17.14± 0.19 34.19 ±0.38 60.38± 0.92 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 25 50 75 100 Concentration of ZEA in artificially wheat flour (µg/kg) R ed uc tio n of Z E A (% ) fermentation at 30ºC for 30min fermentation at 30ºC for 45min fermentation at 25ºC for 30min fermentation at 25ºC for 45min Figure 1: The percentages of ZEA reduction during fermented dough Effect of baking ZEA concentration as affected by baking of artificially contaminated flour dough during Pan bread making is shown in Table 3 and Figure 2. And, as it was expected, a positive relationship was observed between the increase of fermentation time and that of the percentage of reduction on ZEA-contaminated wheat flour Table 1: Concentrations of ZEA determine in artificially contaminated wheat flour after dough fermentation at 25°C (n=3) Spiking level of ZEA (µg/kg)
- keywords: 100µg; artificially; baking; binding; bread; cell; cerevisiae; chromatogram; concentrations; content; corn; countries; dough; egypt; fermentation; figure; flour; food; fusarium; glucans; growth; hplc; level; min; mycotoxin; pan; percentage; process; reduction; reproductive; results; saccharomyces; table; temperature; time; wall; water; wheat; yeast; zea; zearalenone
- versions: original; plain text
- hjic-351
- author: Poznić, A.; Zelić, A.; Szabó, L.
- title: Magnetorheological Fluid Brake – Basic Performances Testing with Magnetic Field Efficiency Improvement Proposal
- date: 2012-09-01
- words: 4531
- flesch: 60
- summary: A lot of work was done on MR fluid brakes modelling, properties investigation and control MR fluid brakes have also been used in actuators due to their distinguished force control and power transmission features
- keywords: amplification; application; authors; basonetic; brake; brake design; braking; cell; coil; comparison; component; control; current; data; design; different; disk; drum; dynamic; efficiency; experiment; factor; field; figure; fluid; fluid brake; flux; friction; high; increase; inertia; journal; literature; load; magnetic; magnetorheological; materials; mechanical; model; mr brake; mr fluid; multiple; order; overall; range; results; rig; rotor; rpm; shape; shear; speed; state; structures; test; torque; types; value; viscosity
- versions: original; plain text
- hjic-354
- author: ,
- title: Editorial Preface
- date: 2014-08-01
- words: 414
- flesch: 48
- summary: Even those students who do not continue their life in the academia tend to remember their time spend on TDK activities as useful and memorable. Associations (Tudományos Diákkör, in Hungarian, abbreviated as TDK) that is a real Hungaricum with a 62 years old tradition.
- keywords: editorial; faculty; issue; results; scientific; students; tdk; work
- versions: original; plain text
- hjic-355
- author: Eck-Varanka, Bettina; Horváth, Eszter; Ferincz, Árpád; Paulovits, Gábor; Kováts, Nóra
- title: Comparative Assessment of the Mussel Micronucleus Test Versus Bacterial Bioassays for Genotoxicity Testing of Benzo[a]pyrene
- date: 2014-08-01
- words: 3679
- flesch: 49
- summary: The aim of the study was to calibrate the sensitivity of the mussel micronucleus test to that of the two bacterial tests using B[a]P as a reference chemical. Keywords: micronucleus test, Ames fluctuation test, SOS chromotest, PAH Introduction Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous widespread contaminants.
- keywords: ames; ames test; amphibian; aromatic; assay; assessment; b[a]p; bacterial; benzo[a]pyrene; case; cells; chemical; chromotest; cm-3; compounds; concentration; control; damage; detection; difference; dm-3; dna; effect; environmental; evaluation; exposure; fluctuation; freshwater; genotoxicity; induction; micronucleus; micronucleus test; mussel; mutagenic; mutagenicity; mutation; mytilus; number; pahs; pollutants; polycyclic; positive; potential; quillardet; response; result; salmonella; samples; sediment; sensitivity; significant; sos; sos chromotest; study; test; testing; water; µg dm-3
- versions: original; plain text
- hjic-356
- author: Sója, János; Sedlarik, Vladimir; Kucharczyk, Pavel; Miskolczi, Norbert
- title: Improving the Interfacial Properties of Glass Fibre Reinforced and Unreinforced Waste Sourced Low Density Polyethylene/Acrylonitrile Butadiene Styrene/Polystyrene Composites
- date: 2014-08-01
- words: 3392
- flesch: 57
- summary: Regarding flexural properties similar result were observed, but not with AD-1, rather than AD-3, a polyakenyl polymaleic anhydride additive that resulted in the best properties, such as increase of 22.6 MPa in flexural strength. According to Table 1, the waste ABS and PS raw materials had flexural strength of 29.0 MPa and 21.0 MPa, respectively.
- keywords: abs; ad-1; ad-2; ad-3; additives; agents; blends; c-2; case; charpy; chemical; composites; effect; elongation; fibre; flexural; glass; immiscible; impact; increase; interfacial; ldpe; materials; mechanical; mm-2; modulus; mpa; polyethylene; polymer; presence; properties; range; raw; recycling; reinforced; results; samples; strength; styrene; surface; table; tensile; value; waste
- versions: original; plain text
- hjic-359
- author: Lukács, Diána; Horváth, Krisztián
- title: Impact of Size Heterogeneity of Core-Shell Packing Materials on Chromatographic Separation of Large Biomolecules
- date: 2014-08-01
- words: 3581
- flesch: 57
- summary: The results showed that the affect of particle size distribution was the highest in case of fully porous phases, and it decreased as the diameter of the inner core decreased. In literature, fairly contradictory information can be found about the effect of particle size distribution, PSD, on the separation efficiency.
- keywords: biomolecules; capacities; case; change; chromatographic; column; core; distribution; effect; efficiency; eluent; fig; figure; heterogeneity; hetp; large; liquid; min; packed; packing; particle; particle size; peak; phases; porous; psd; relative; results; separation; shell; silica; size; standard; stationary; velocity
- versions: original; plain text
- hjic-363
- author: Kontos, János; Tóth, Lászó Richárd; Varga, Tamás
- title: Development of a Reaction Structure Identification Algorithm
- date: 2014-08-01
- words: 4511
- flesch: 56
- summary: In our case, the identification means the selection of reaction steps that can take place in the reactor. Table 4 presents the number of reaction steps in the unknown CRN (Ndr), the number of components (Nc) in the system, the number of the possible reaction steps (Nr) as a representation of the size of the reaction set, if the algorithm can find the perfect reaction steps or not, and MAE values when available from Eq.(15).
- keywords: a;b;c; algorithm; applied; building; calculated; case; chemical; components; concentration; constants; crn; crns; difference; generated; generator; identification; kinetic; llsm; matrix; mechanism; method; model; number; order; parameters; possible; process; profiles; rate; reaction; reaction mechanism; reaction rate; reaction steps; reactor; sample; set; steps; stoichiometric; structure; system; table; time; unknown
- versions: original; plain text
- hjic-373
- author: Borsos, A.; Lakatos, B. G.
- title: Crystallization of para-Xylene in a Batch Cooling Crystallizer
- date: 2011-09-01
- words: 3746
- flesch: 45
- summary: The differences between the processes of crystal mean sizes obtained by Table 4: Kinetic parameters used in simulation kg0=16.25 ms -1 g=4.74 kv=0.52 b=0.71 kb0=345.59 #m -3s-1 ρh=1000 kg m -3 ρc=1100 kg m -3 ρsv=1000 kg m -3 Eg=370.23 J mol -1 Eb=-63.37 J mol -1 using the original parameters listed in Table 3 and those in Table 4 are shown in Fig. 10. Fig. Modelling of crystal size distribution in batch cooling crystallizer (in Hungarian);
- keywords: adobe; balance; batch; concentration; cooling; crystallization; crystallizer; crystals; differences; differential; dynamic; equations; equilibrium; evolution; false; fig; figure; final; heat; hungarian; isomers; kinetic; mass; mean; method; model; moment; numerical; order; para; parameters; population; population balance; process; product; profile; properties; results; saturation; simulation; size; solute; solution; suspension; table; temperature; temporal; time; true; unit; volume; xylene
- versions: original; plain text
- hjic-374
- author: Baladincz, P.; Tóth, Cs.; Kovács, S.; Hancsók, J.
- title: Investigation of the Hydroconversion of Lard and Lard-Gas Oil Mixture on PtPd/USY Catalyst
- date: 2011-09-01
- words: 5564
- flesch: 50
- summary: On Fig. 13, it can be seen that in the case of 50% triglyceride containing feedstock, compared with what can be experienced in the case of pure gas oil feedstock, it is turned up, that the most favourable process temperature for achieve the maximum dearomatizing efficiency slightly higher, thanks to the high heteroatom content of the feedstock originated from its triglyceride part. We determined that during the co-processing of lard and desulphurized gas oil, the saturation of the aromatic content and the deoxygenation of the triglyceride part of the feedstock -isoparaffins formed - took place, respectively and at process temperatures (360–380 °C) found to be favourable by us, excellent, bio-component containing and significantly dearomatized diesel fuel blending components could be obtained.
- keywords: adobe; applied; aromatic; bar; bio; bio gas; blending; boiling; carbon; case; catalyst; catalytic; content; conversion; dcx; diesel; different; directive; energy; european; experimental; false; fatty; favourable; feedstock; fig; figure; fraction; fuels; function; gas; gas oil; h-1; hdo; high; hydrocarbons; lard; liquid; main; motor; number; oil; oils; paraffins; parameters; pathway; point; process; product; properties; ptpd; pure; reaction; renewable; research; standard; temperature; triglyceride; true; union; usy; valid; vegetable; yield
- versions: original; plain text
- hjic-375
- author: Kodrik, L.; Wagner, L.; Imre, K.; Polyak, K.F.; Besenyei, F.; Husveth, F.
- title: The Effect of Highway Traffic on Heavy Metal Content of Cow Milk and Cheese
- date: 2011-09-01
- words: 3428
- flesch: 58
- summary: Approximately 0.5 g of both cheese and feed, and 5 mL of milk samples were transferred into teflon vessels and 8 mL of nitric acid (HNO3, 65% Suprapur®, Merck) and 2 mL of hydrogen peroxide (H2O2, TraceSELECT ® Ultra) were mixed. Results and Discussion Metal concentrations in milk samples Ten heavy metals were detected in the cow milk:
- keywords: adobe; analyses; animal; areas; cadmium; cheese; concentrations; conditions; content; cow; cows; dairy; different; elements; environmental; false; food; green; heavy; higher; highway; hungary; industrial; lead; mean; metals; milk; min; non; pdf; plasma; polluted; polluted green; products; samples; science; soil; spectrometry; study; table; technology; toxic; traffic; true
- versions: original; plain text
- hjic-376
- author: Kollár, K.
- title: Relationship between Input Channel Excitation Time and Profinet IO Refresh Time
- date: 2011-09-01
- words: 3846
- flesch: 39
- summary: Keywords: local economic development instrument, local economic development strategy, human resource development, direct service development, Economic Development Scheme of Vienna Introduction As we examine the international and national literature we can see that the regulatory and organizational system of the countries are quite differentiated and diverse but in the case of economic development tools used by local actors the situation isn't the same, in fact they are very similar. The process of local economic development is extremely complex.
- keywords: actors; adobe; aims; areas; availability; benefits; business; central; city; countries; development; development tools; direct; eastern; economic development; economy; enterprises; environment; establishment; european; example; false; focus; government; high; important; improvement; increase; industrial; infrastructure; instruments; labour; loans; local; local development; local economic; markets; municipalities; new; parks; pdf; plan; planning; policy; practices; property; providing; public; quality; research; role; sector; services; strategies; strategy; support; tax; tools; training; true; urban; vienna; zones
- versions: original; plain text
- hjic-377
- author: Morauszki, T.; Mándli, P.; Horváth, Z.; Dreyer, M.R.
- title: Simulation of Fluid Flow, Combustion and Heat Transfer Processes in Internal Combustion Engines
- date: 2011-09-01
- words: 2933
- flesch: 49
- summary: Keywords: Internal combustion engines, Air flow simulation, Direct-injection, Spark ignition, Combustion Introduction Although internal combustion engine development has in certain aspects already approached its limits, just by looking ahead to the upcoming tightening of the emission norms, it is clear that further optimization is inevitable. Method extension possibilities include implementation of custom defined combustion methods.
- keywords: adobe; air; chamber; combustion; complex; compression; cylinder; direct; e.g.; elements; engine; events; exhaust; false; fig; figure; flame; flow; fluid; gasoline; heat; ignition; injection; intake; internal; mesh; method; mixture; model; open; parts; pdf; piston; port; possible; power; process; results; simulation; spark; speed; stroke; tdc; transfer; true; valve; walls
- versions: original; plain text
- hjic-378
- author: Solecki, L.
- title: Methods of Surfaces Quality Comparison in Mechanical Engineering Applications
- date: 2011-09-01
- words: 3293
- flesch: 45
- summary: The presentation introduces a method for comparing cylinder surfaces of an internal combustion engine and presents an example of the method currently used in automotive engineering applications. Wear analysis of cylinder surfaces of internal combustion engines On the cylinder surface, the wear is less measurable for the change of the surface dimension or shape than for the change of the micro-geometry (irregularity) of the surface.
- keywords: adobe; approximate; bores; case; centre; circle; comparison; condition; coordinate; cylinder; cylinder surface; determination; distance; distortion; engineering; examination; false; figure; fitting; honing; image; irregularity; measured; measuring; method; nominal; optical; original; parts; pattern; pdf; perception; plane; points; position; print; profiles; real; rod; scanning; sections; shape; silicon; spatial; starting; surface; system; true; wear
- versions: original; plain text
- hjic-379
- author: Lakatos, I.; Titrik, Á.; Orbán, T.
- title: Data Determination of an Internal Combustion Engine for Model Set-up
- date: 2011-09-01
- words: 2007
- flesch: 55
- summary: (Use these settings to create Adobe PDF documents best suited for high-quality prepress printing. bent D=Ø54.4 mm 55° r=54.4 mm 13.
- keywords: /qfactor; /tileheight; /tilewidth; adobe; angle; bent; bent d; chart; connector; data; diameter; dimensions; engine; exhaust; false; figure; intake; mass; measuring; model; modelling; movement; pdf; pipe; piston; power; r=54.4; straight; system; true; valve; ø54.4
- versions: original; plain text
- hjic-380
- author: Törőcsik, D.
- title: Some Design Issues of Multi-Plate Magnetorheological Clutches
- date: 2011-09-01
- words: 2706
- flesch: 53
- summary: In the case of plate clutches (Fig. 3a) Keywords: Magnetic flux density, number of plates, magnetic resistance, torque, power consumption Introduction In the past MR fluid was mostly applied in shock absorbers of active or semi-active car suspension systems.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; case; circuit; clutch; clutches; construction; consumption; density; diameter; effect; false; field; figure; fluid; flux; formula; gaps; increase; induction; iron; larger; magnetic; magnetization; magnetorheological; multi; number; particles; pdf; plates; power; resistance; stress; torque; transmissible; transmittable; true; viscosity
- versions: original; plain text
- hjic-381
- author: Bocsi, R.; Horvath, G.; Hanak, L.; Hodai, Z.
- title: Extraction Examinations of Microalgae Propagated for Biodiesel Additives
- date: 2011-09-01
- words: 3566
- flesch: 49
- summary: In this case algae suspension flows in a canal. If we make several processes on algae suspension from concentrating to drying, we should extract the widest range of compounds of biomass.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; algae; applicable; autotrophic; biodiesel; biomass; carbon; cells; chlorella; co2; composition; compounds; concentration; conditions; content; cultivation; dry; effects; energy; extraction; false; figure; gas; growing; high; important; laboratory; light; lipid; method; microalgae; micronutrients; mixture; natural; need; oil; organisms; parameters; pdf; phase; photobioreactors; production; range; simple; solvent; source; species; suspension; systems; table; technology; time; total; true; type; university; use; water
- versions: original; plain text
- hjic-382
- author: Borsodi, N.; Miskolczi, N.; Lázár, I.; Bartha, L.; Gerencsér, A.
- title: Hydrocarbon Fractions Obtained from Recycling of Waste Materials
- date: 2011-09-01
- words: 3989
- flesch: 53
- summary: Contaminant level of liquid products Chlorine and nitrogen content of liquid product was measured. Pyrolysis products are similar to the hydrocarbon- fractions generated in an oil refinery, therefore they can be used as fuels or petrochemical feedstock [1-4].
- keywords: adobe; applied; bed; betazeolite; branched; carbon; case; catalysts; catalytic; chlorine; composition; contaminant; contaminated; content; different; effect; false; figure; flasks; gas; gases; heteroatom; high; liquid; liquid products; material; motor; nitrogen; number; oil; original; plastic; products; pyrolysis; raw; raw material; reactor; substances; surface; temperature; thermal; thermo; true; volatile; waste; wt%; yields; zeolite
- versions: original; plain text
- hjic-383
- author: Enisz, K.; Tóth, P.; Fodor, D.; Kulcsár, T.
- title: Vehicle Dynamics Based ABS ECU Testing on a Real-Time HIL Simulator
- date: 2011-09-01
- words: 2165
- flesch: 46
- summary: The time constant The algorithm has six different part as can be seen on the Matlab / Simulink chart (Fig. 8): ● state selection (Fig. 9) ● main pressure change check (Fig. 10) ● cycle interval calculation (Fig. 11) ● target pressure calculation (Fig. 12) ● pressure difference calculation (Fig. 13) ● brake pressure calculation (Fig. 14). Keywords: HIL simulation environment, ABS, ECU Introduction The cost efficient ECU testing becomes an important issue.
- keywords: abs; adobe; brake; braking; calculation; current; ecu; environment; false; fig; figure; hardware; hil; important; integration; model; modification; new; pdf; pressure; real; sensors; simulation; software; speed; state; step; system; target; testing; time; true; valves; vedyna; vehicle; wheel
- versions: original; plain text
- hjic-384
- author: Fehér, C.; Skoda-Földes, R.; Kriván, E.; Hancsók, J.
- title: Oligomerization of Izobutene in the Presence of Ionic Liquid – Based Catalysts
- date: 2011-09-01
- words: 3087
- flesch: 53
- summary: R= (CH2)3CH3 H2SO4 150 oC, 5 h SILP-1 SILP-2 silica M eOH rt, 24 h SILP-3 SILP-4 silica M eOH rt, 24 h Scheme 1: Synthesis of ionic liquids IL-1 and IL-2 and supported ionic liquids SILP-1 — SILP-4 To compare the activity and selectivity of immobilized and non-immobilized ionic liquids, oligomerization was carried out first in IL-1 and IL-2 under the standard conditions (100 °C, 5 h). Supported ionic liquids: versatile reaction and separation media, Top.
- keywords: acidic; activity; adobe; c12; c16; c20; catalysts; complexes; conv; conversion; entry; false; fig; figure; higher; il-1; immobilized; ionic; ionic liquids; isobutene; liquids; mol; nickel; olefins; oligomerization; pdf; presence; products; ratio; reaction; results; run; selectivity; silica; silp-1; solid; supported; temperature; true; use; ° c
- versions: original; plain text
- hjic-385
- author: Hodai, Z.; Horváth, G.; Hanák, L.; Bocsi, R.
- title: Densification Processes of Microalgae Bred for Biodiesel Production
- date: 2011-09-01
- words: 3294
- flesch: 46
- summary: According to the assessment of the experimental results, the optimal solution seems to be membrane separation, on different grounds. In addition to chemical flocculation, clarification and autoflocculation phenomena, special attention has been paid to membrane separation procedures.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; advantageous; alga; biodiesel; chemical; concentrate; concentration; content; densification; department; device; difference; dm3; eduction; effect; energy; engineering; experiments; extract; false; figure; filter; filtering; flocculation; flow; high; journal; medium; membrane; microalgae; module; need; nutrient; operation; pannonia; pdf; permeate; possible; pressure; process; production; results; science; separation; suspension; technology; time; true; ultrafiltration; university; volume; washing; water
- versions: original; plain text
- hjic-386
- author: Kovács, L.; Fodor, D.
- title: Estimation of the Maximum Applicable Voltage Level of Aluminium Electrolytic Capacitors by Automated Spark-Detection Measurement
- date: 2011-09-01
- words: 3964
- flesch: 45
- summary: The applicable voltage is determined by the paper construction of the capacitor: Spark voltage of the electrolyte has grown by about 5 to 10 percent. Figure 9: Spark voltage of the electrolyte In the RAMP test the voltage level is continuously increased until the failure of the capacitor.
- keywords: adobe; aluminium; aluminium electrolytic; anode; automation; breakdown; capacitor; capacitor development; cathode; construction; current; data; development; different; electrolyte; electrolytic capacitor; equipment; experiments; false; fig; figure; foil; hungary; important; layer; leakage; leakage current; level; maximum; maximum voltage; measurement; modules; operating; oxide; paper; pdf; power; results; second; software; spark; spark measurement; spark voltage; structure; system; temperature; test; time; true; value; voltage; voltage level; winding
- versions: original; plain text
- hjic-387
- author: Sinka, Zs.; Kovács, J.; Yuzhakova, T.; Lakó, J.
- title: Vehicle Exhaust Gas Emission and its Catalytic Depollution
- date: 2011-09-01
- words: 3368
- flesch: 47
- summary: More than 85% of traffic-related air pollutions are coming from motor vehicles exhaust emission. Keywords: gas emissions, vehicle, catalytic converter, nitrogen oxides, hydrocarbons Introduction The sustainable development should be taken into consideration in everyday life activities, that is respected behind the process mechanization, automatization the environmental and atmosphere protection problems as well.
- keywords: activity; adobe; air; area; carbon; carcinogenic; catalyst; catalytic; combustion; conditions; control; conversion; decrease; decree; development; diesel; different; emission; engine; exhaust; factor; false; fig; figure; flow; fuel; gas; gases; hungary; hydrocarbons; methane; ministry; motor; nitrogen; nox; number; oxides; pdf; period; pollutants; pollution; protection; running; samples; steam; system; table; temperature; time; tmean; traffic; true; type; vehicle; volume
- versions: original; plain text
- hjic-388
- author: Solymosi, P.; Kasza, T.; Hancsók, J.
- title: Investigation of Hydrogenation of Conventional and High Oleic Acid Content Rapeseed or Sunflower Oils
- date: 2011-09-01
- words: 4339
- flesch: 49
- summary: During the conversion of high oleic acid vegetable oils while applying the favourable process parameter combination the yield was higher and the hydrogen consumption was unequivocally lower. oleic acid vegetable oil).
- keywords: acid content; acid rapeseed; acid sunflower; acids; adobe; al2o3; bar; basis; bio; c figure; c high; carbon; catalyst; composition; consumption; content; conventional; conventional rapeseed; conventional sunflower; conversion; experimental; false; fatty; fatty acid; figure; fraction; fuels; function; gas; h-1; high oleic; higher; hydrogen; hydrogenation; investigation; lhsv; main; motor; number; oil; oils; oleic acid; pressure; products; rapeseed; rapeseed oil; ratio; reactions; removal; results; sunflower; sunflower oil; temperature; true; vegetable; vegetable oil; yield; ° c
- versions: original; plain text
- hjic-389
- author: Jakab, R.; Enisz, K.; Hauptmann, V.; Speiser, F.; Fodor, D.
- title: Bycicle ABS Prototype Development
- date: 2011-09-01
- words: 2639
- flesch: 55
- summary: false true Measured data ABS data Calculation of ideal speed ABS data = RELEASE release wheel ideal K V V ≥ hold wheel ideal K V V ≥ ABS data = HOLD ABS data = INCREASE false true Figure 3: ABS control flowchart Keywords: ABS, hydraulic brake system, bicycle Introduction Nowadays more and more efforts are taken to make the road traffic safer.
- keywords: /qfactor; /tilewidth; able; abs; adobe; algorithm; bicycle; board; brake; braking; computer; control; control algorithm; data; different; ecu; false; fig; figure; function; hydraulic; ideal; lock; methods; monitoring; new; pdf; pressure; project; safety; sbc; sensors; single; speed; system; test; true; use; value; wheel
- versions: original; plain text
- hjic-390
- author: Tófalvi, R.; Sepsey, A.; Horváth, K.; Hajós, P.
- title: Environmental Significance and Identification of Metal-Chelate Complexes Using Ion Chromatography
- date: 2011-09-01
- words: 3360
- flesch: 45
- summary: Figure 1: Schematic flow diagram of chelate chromatography Results and discussion By adding negatively charged EDTA or DCTA ligand to positively charged metal ions complex anions with negative charge form in the solution according to the following equilibria: EDTA4- + M2+ ↔ Several factors affect the retention in the separation of the complex anions: complex formation reactions, ion-exchange equilibria and protolysis depending on pH. The aim of this work is the optimization of a simultaneous chromatographic separation and identification of metal ions complexed by the ligand EDTA or DCTA.
- keywords: acids; adobe; agents; analysis; analytical; anions; basic; cations; charge; chelate; chromatography; column; complexes; complexing; components; dcta; different; edta; eluent; elution; environmental; equilibria; exchange; false; figure; formation; forms; heavy; high; important; inorganic; ion; ligands; metal; method; n.r; na2co3; oxidation; pdf; retention; sample; separation; simultaneous; speciation; species; stability; strong; suppressor; table; toxic; transition; true; use; water
- versions: original; plain text
- hjic-392
- author: Király, A.; Belvárdi, G.; Abonyi, J.
- title: Determining Optimal Stock Level in Multi-Echelon Supply Chains
- date: 2011-09-01
- words: 4449
- flesch: 49
- summary: Simulation is a very useful alternative for analyzing supply chain systems and a well-constructed model can provide a better approach and can give more realistic picture of the complex situation. The diagram shows weekly inventory levels in the Warehouses at the optimal case. 111 Weeks y Figure 8: Inventory levels in the 2-level system.
- keywords: actual; adobe; analysis; approach; authors; average; calculated; case; chain; complex; consumption; control; cost; data; decision; demand; different; distribution; echelon; economics; false; figure; function; international; inventory; journal; lead; level; management; methodology; model; modeling; multi; objective; optimal; optimization; parameters; point; problem; process; production; purchase; reorder; results; safety; section; service; service level; simulation; simware; stochastic; stock; structure; supply; supply chain; system; theoretical; time; true; use; warehouse
- versions: original; plain text
- hjic-393
- author: Szentes, A.; Horváth, G.; Varga, Cs.; Harrach, G.
- title: Effect of Multi-Walled Carbon Nanotube Content on Dynamic Mechanical Properties and Crystallinity of polypropilene composites
- date: 2011-09-01
- words: 2878
- flesch: 50
- summary: Carbon nanotubes are promising additives for polymer composites due to their excellent mechanical, electrical, and thermal properties. Keywords: carbon nanotubes, polypropylene, composites, dynamic mechanical analysis, crystallization Introduction The reinforcement of polymers with nano-scaled fillers developed a new class of advanced multifunctional materials with improved properties, used in many fields ranging from microelectronics to aerospace engineering [1,2].
- keywords: adobe; analysis; carbon; composites; content; crystallization; dma; dynamic; effect; extruder; false; heats; mechanical; melting; min; modulus; multi; mwcnt; nanotubes; pdf; peak; points; polymer; polypropylene; properties; rate; sample; screw; screw extruder; single; state; storage; table; temperatures; thermal; true; twin; value; walled; wt%
- versions: original; plain text
- hjic-394
- author: Szoboszlai, Zs.; Hancsók, J.
- title: Investigation of Kinetics of Hydroisomerization of C5/C6 and C6/C7 Alkanes and their Binary Mixtures
- date: 2011-09-01
- words: 3113
- flesch: 37
- summary: Based on the measured and calculated values it was concluded that in case of the non-adequate feed or in case of non-adapted isomerization catalyst – where accordingly to the demands the changes of process parameters have not indicated any opportunity – influence of some component on the isomerization efficiency become significant degree hereby the main linear chain components with low octane number reactions rate of isomerization was interfered. 0 5 10 15 20 0 20 40 60 80 100 R ea ct io n ra te , 1 0- 8 m ol /s .g ca t. n-pentane concentration in binary mixture, % reaction rate of n-hexane reaction rate of n-pentane Figure 2: Changes in reaction rate of individual components in the binary mixture (T: 150 °C, LHSV: 1.5 h-1, P: 20 bar) 0 5 10 15 20 25 30 35 0 20 40 60 80 100 R ea ct io n ra te , 1 0- 8 m ol /s .g ca t. n-heptane concentration in binary mixture, % reaction rate of n‐heptane reaction rate of n‐hexane Figure 3: Changes in reaction rate of individual components in the binary mixture (T: 150 °C, LHSV: 1.5 h-1, P: 20 bar) 0 10 20 30 40 50 60 70 80 0 20 40 60 80 100 R ea ct io n ra te , 1 0- 8 m ol /s .g ca t. cyclohexane concentration in binary mixture, % reaction rate of cyclohexane reaction rate of n‐hexane Figure 4.:
- keywords: /qfactor; adobe; alkylation; application; applied; aromatic; benzene; binary; case; catalysis; catalyst; changes; components; concentration; content; cyclohexane; different; false; fractions; gasoline; hancsók; hexane; higher; hydrocarbons; individual; isomerization; isoparaffin; light; low; lower; main; measured; metal; mixtures; naphtha; number; octane; paraffins; pdf; rate; reaction; results; rich; sulfated; sulphur; surface; true; values; zirconia
- versions: original; plain text
- hjic-395
- author: Kasza, T.; Hancsók, J.
- title: Investigation of Fuel Components Produced by the Isomerization of Bio-Paraffin Mixtures
- date: 2011-09-01
- words: 4357
- flesch: 53
- summary: The distribution of cracked products was not similar to that of the theoretical, modal cracked product distribution, it was shifted toward to lighter hydrocarbons. Methane and ethane were not found in gas products.
- keywords: adobe; bar; bio; biofuels; biogasoil; branched; catalyst; catalytic; cetane; cfpp; composition; content; conversion; cracking; diesel; different; energy; european; experiments; false; favourable; feedstock; fig; fraction; fuel; function; gas; high; higher; hydrocarbons; increase; investigation; isomerization; isoparaffin; jet; lhsv; lower; mono; normal; number; oil; oils; paraffins; parameters; point; process; production; products; properties; range; ratio; reactions; standard; temperature; true; value; yield
- versions: original; plain text
- hjic-396
- author: Miókovics, E.; Széplábi, G.; Makó, A.; Hernádi, H.; Hermann, T.
- title: Effects of Surfactants on the Aggregate Stability of Soils
- date: 2011-09-01
- words: 3348
- flesch: 50
- summary: Finally, the weight of soil samples were measured again (drying 2) and the percentage of the stable aggregates (SAS) was calculated according to the Eq 1. 100 20 21 ⋅ − − = mm mm SAS (1) where: Secondly the aggregate stability measurements were performed with soil samples which were previously soaked in distilled water or surfactant solution for two days.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; adsorption; aggregate; aggregate stability; case; cationic; cetilpyridinium; chloride; concentration; days; different; distilled; drying; effects; false; fig; figure; highest; luvisol; measurements; method; organic; particles; pdf; pre; properties; remediation; results; sample; sieving; siltic; soaking; soil; solutions; stability; stable; standard; surfaces; surfactant; treatment; true; water; weight; wet
- versions: original; plain text
- hjic-397
- author: Márczi, B.; Gerzson, M.; Leitold, A.
- title: Diagnostic Investigations Based on the Petri Net Model Generated from the Process Information
- date: 2011-09-01
- words: 5368
- flesch: 57
- summary: The idea of using model structure identification and comparison of discrete event systems models [3] is not new, but the field has matured only recently by a review paper [4] that focuses on Petri net models used for model-based diagnosis. A novel structure comparison procedure for discrete event systems described by Petri nets are proposed in this paper for model-based diagnosis that utilizes the graph distance metric method.
- keywords: actions; adobe; arc; case; common; comparison; converter; course; cpntools; data; diagnosis; different; discrete; distance; error; event; extended; false; fault; fig; file; form; graph; inscriptions; log; log file; main; manufacturing; maximal; model; modeling; net; net model; nets; normal; operation; petri; petri net; place; pnml; process; prom; reference; resulted; set; simulation; software; steps; structure; subgraph; system; trace; transitions; true; value; way
- versions: original; plain text
- hjic-398
- author: Szalay, I.; Medve, H.; Fodor, D.
- title: Analysis and Modeling of Slotless Permanent Magnet Synchronous Motors
- date: 2011-09-01
- words: 3672
- flesch: 46
- summary: The most promising sensorless method for precise initial position detection is high frequency signal injection, which is able to transform the effect of anisotropic characteristics of Nd2Fe14B permanent magnet rotor into angle dependent electrical quantities. In the focus of the performed measurements was the data acquisition for developing the high frequency injection based sensorless rotor position detection method of the PMSMs at zero speed.
- keywords: adobe; air; analysis; angular; anisotropic; characteristics; control; current; cylinder; detection; difference; electrical; environment; excitation; excited; false; fig; figure; flux; frequency; function; high; important; induced; induced voltage; line; magnet; magnetic; maxon; measurement; method; model; motors; parts; permanent; permanent magnet; phase; pmsms; point; position; position detection; reluctance; rotor; rotor permanent; rotor position; sensorless; signal; slotless; speed; surface; true; voltage; windings
- versions: original; plain text
- hjic-399
- author: Neukirchner, L.; Fodor, A.; Magyar, A.
- title: Modeling and Parameter Sensitivity Analysis of a Synchronous Motor
- date: 2011-09-01
- words: 3352
- flesch: 55
- summary: Keywords: synchronous machine, dynamic state space model, sensitivity analysis, parameter estimation Introduction Classical synchronous motors are widely used machines when constant speed is necessary. Figure 4: Model responses for the +90% changing of parameter D Figure 5: Model responses for the +90% changing of parameter r stator resistance Not sensitive: These are the linkage inductances ld, lq, lF and damping constant D. The state space model is insensitive for them, the parameter values cannot be determined from measurement data using any parameter estimation method.
- keywords: abc; adobe; analysis; constant; controller; electrical; equations; exciter; false; figure; flux; following; inductances; linkage; machine; model; motor; nnn; parameter; pdf; phase; power; resistance; sensitivity; space; speed; state; stator; synchronous; system; torque; true; voltage; windings; ⎡ ⎥; ⎢ ⎢; ⎢ ⎣; ⎣ ⎡; ⎤ ⎢; ⎥ ⎥; ⎥ ⎦; ⎦ ⎤
- versions: original; plain text
- hjic-400
- author: Tóth, P.; Enisz, K.; Fodor, D.
- title: Tyre Pressure Monitoring with Wavelet-Transform
- date: 2011-09-01
- words: 2390
- flesch: 57
- summary: The first one uses pressure sensors while the second one uses the wheel speed signals of the ESP system on board to make an estimation of the pressure levels of the tyres. Another part of this research is to find an appropriate model to generate wheel speed signals that contain the additional information to detect the pressure change, moreover to develop a function library for the research to support the measurements and to analyze the results.
- keywords: /qfactor; /tilewidth; adobe; dft; dht; different; domains; eigenfrequency; false; figure; fourier; frequency; haar; indirect; information; mean; monitoring; pdf; pressure; result; runtime; samples; sensors; signals; solution; speed; system; times; transform; true; tyre; values; wavelet; wheel
- versions: original; plain text
- hjic-401
- author: Hatos, P.; Fodor, A.; Magyar, A.
- title: Parameter Sensitivity Analysis of an Induction Motor
- date: 2011-09-01
- words: 2379
- flesch: 44
- summary: Keywords: induction machine, dynamic state space model, parameter sensitivity analysis Introduction Conclusions and future works Based on the results presented here, it is possible to select the candidate parameters for model parameter estimation based on real data that is a further aim of the authors, the four parameters are rotor self inductance (Lr), stator self inductance (Ls), Inertia and rotor resistance (Rs).
- keywords: /qfactor; adobe; analysis; axis; bridge; circuit; control; distribution; dynamic; electrical; equations; false; figure; flux; following; ieee; inductance; induction; induction motor; industrial; model; motor; parameter; pdf; phase; resistance; self; sensitive; sensitivity; simulation; snubber; space; speed; state; stator; torque; true; vector; voltage; wave
- versions: original; plain text
- hjic-403
- author: Árpád, I.
- title: Investigation of Sensible Heat Storage and Heat Insulation in the Exploitation of Concentrated Solar Energy
- date: 2011-09-01
- words: 3559
- flesch: 62
- summary: This paper analyses this issue and presents a feasible technological solution of how the buildings could continuously be supplied with heat energy from the direct solar radiation and how the energy must be stored as sensible heat storage and how the heat insulation of the heat storage facilities must be planned [1]. Calculations for the size of solar radiation field and for the heat storage capacity The solar radiation, that passes directly through the atmosphere to the Earth’s surface, is called direct solar radiation. heat energy is used for heating and hot water production.
- keywords: adobe; brick; budapest; building; capacity; consumption; density; direct; energy; false; generation; heat; heat storage; heating; hours; houses; hungarian; hungary; insulation; losses; magnesite; material; radiation; sensible; size; solar; specific; storage; store; sunny; surface; table; tank; temperature; time; transfer; true; volume; wall; year
- versions: original; plain text
- hjic-404
- author: Faluvegi, E.; Cristea, L.
- title: Control Operation and Analysis of the Spur Gears Profile
- date: 2011-09-01
- words: 2354
- flesch: 47
- summary: The theoretic profile of cylindrical gear can be described with an involute curve detected in the front section. Keywords: cylindrical gear, involute profile, profile error, graphical user interface.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; base; circle; control; coordinate; curve; cylindrical; data; errors; false; figure; flank; gear; graphical; gui; interface; involute; machines; measured; measurement; measuring; paper; pdf; pitch; points; probe; profile; rotation; surfaces; teeth; theoretical; tip; tooth; true; user
- versions: original; plain text
- hjic-405
- author: Bodzás, S.; Dudás, I.
- title: Connection Theory of Conical Worm Gear Drives
- date: 2011-09-01
- words: 2584
- flesch: 56
- summary: Since we consider the coordinate an independent variable, the equation of the leading curve is: kjirg rrrr ⋅+⋅+⋅= )()( ηζηηξ (10) Carrying out a pa axial and pr radial helical motion of the K0 ( , , ) coordinate system – which includes the gr r leading curve – along the z axis and the y axis alternatively includes, the leading curve touches a conical helical surface in the K1F (x1F, y1F, z1F) an independent position and equals K0 coordinate system before the helical motion (Fig. 4). The relative velocity of the two surfaces can be determined in coordinate system K2F using the transformation between K1F (x1F, y1F, z1F) coordinate system for worm and the K2F (x2F, y2F, z2F) coordinate system for worm gear: ( ) FFFFF rMdt d r dt d v 11,22 )12( 2 rrr ⋅=⋅= (18)
- keywords: adobe; cog; conical; connection; coordinate; coordinate system; curve; defining; drives; false; figure; gear; k1f; k2f; model; rotation; second; spiroid; standing; surface; system; transformation; true; vector; worm; x1f; y1f; z1f; ∂ ∂; ⎢ ⎢; ⎢ ⎣; ⎤ ⎢; ⎥ ⎥; ⎥ ⎦; ⎦ ⎤
- versions: original; plain text
- hjic-406
- author: Farkas, A.; Faragó, P.
- title: The Attendance of Rational Energy Utilization and of the Green Energy
- date: 2011-09-01
- words: 4060
- flesch: 57
- summary: [10] This means that if most of Hungary change to biomass energy than the whole import and an important amount of Hungarian fossil energy would have been replaced. The non-rational energy utilization could be recognized in the consumption of the country which includes just 6–7% of renewing energy resources.
- keywords: activities; adobe; alternative; alternative energy; average; balance; biodiesel; biomass; case; change; consumption; country; crisis; day; energetic; energies; energy; energy balance; energy consumption; energy plants; energy resources; energy usage; energy utilization; false; fossil; free; grape; green; hours; hungarian; hungary; important; increase; mentioned; music; natural; needs; pdf; plants; possible; research; resources; result; social; stock; students; studies; study; television; time; transport; true; types; university; usage; use; utilization; water; wind; women; year
- versions: original; plain text
- hjic-407
- author: Herseczki, Z.; Marton, G.; Varga, T.
- title: Enhanced Use of Renewable Resources: Transesterification of Glycerol,the Byproduct of Biodiesel Production
- date: 2011-09-01
- words: 3786
- flesch: 43
- summary: In this study synthesis of glycerol carbonate from glycerol and dimethyl carbonate was investigated. Materials and methods Dimethyl carbonate, glycerol, glycerol carbonate and K2CO3 were purchased from Sigma-Aldrich and used without further purification.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; assumed; biodiesel; calculated; carbonate; catalyst; chemical; component; crude; different; dimethyl; dmc; engineering; equilibrium; experiments; false; fig; figure; glycerol; glycerol carbonate; heat; identification; intermediate; k2co3; level; materials; measured; mechanism; methanol; methods; model; necessary; parameters; pdf; presence; process; product; production; quantitative; raw; reaction; reactor; renewable; samples; step; synthesis; temperature; time; transesterification; true; unknown; use; value; vegetable; yield
- versions: original; plain text
- hjic-408
- author: Felho, C.; Kundrak, J.
- title: Method for Determination of the Expected Roughness of Cut Surfaces
- date: 2011-09-01
- words: 2507
- flesch: 51
- summary: Keywords: surface roughness, theoretical roughness. Through the examination of theoretical roughness it is assumed, that the imprint (negative) of the part of the tool which is near to the nose will remain in the machined surface, and that will form the surface roughness profile, and this geometry can be calculated from the tool-geometrical and technological parameters. 190 Surface Roughness Cutting Tool Properties Machining Parameters Workpiece Properties Cutting Phenomena Workpiece length Workpiece hardness Workpiece daimeter Cutting force variation Friction in the cutting zone Chip formation Vibrations Accelerat ions Nose radius Runout errors Tool material Tool shape Process kinematics Cooling fluid Stepover Depth of cut Tool angle Feed rate Cutting speed Figure 1: Fishbone diagram with the parameters that affect surface roughness
- keywords: auxiliary; calculated; calculation; cutting; cylindrical; edge; et al; experiments; following; general; help; important; indexes; machined; main; material; method; model; parameters; point; profile; quality; real; research; roughness; sections; surface; surface roughness; theoretical; theoretical roughness; tool; turning; value; workpiece
- versions: original; plain text
- hjic-409
- author: Adorjányi, K.; Füleki, P.
- title: Performance Evaluation of Bitumens at High Temperature with Multiple Stress Creep Recovery Test
- date: 2011-09-01
- words: 2460
- flesch: 59
- summary: The strain was measured at 0.1 s steps, and there was no relaxation time between stress levels. The distinction between two B 50/70 binders can also be detected here where the differences in recoverable strains are 40–50% depending on stress levels (Fig. 4).
- keywords: aashto; average; binders; bitumen; compliance; creep; cycle; difference; fig; grade; kpa; levels; modified; mscr; non; paving; percent; performance; phase; pmb; recoverable; recovery; specification; strain; stress; test
- versions: original; plain text
- hjic-410
- author: Gulyás, G.; Kárpáti, Á.
- title: Examination Possibilities of Waste Water Purification Originate from Animal Waste Process
- date: 2011-09-01
- words: 2209
- flesch: 53
- summary: Figure 1: Purification reactors The complete process does not only consist of one intake, stirring, airing, decantation and pumping. Considering nitrite reactor 1 showed high rates.
- keywords: ammonium; animal; case; changes; cod; concentration; content; high; higher; intake; let; level; nitrification; nitrite; nitrogen; organic; plant; process; pumping; purification; purified; rate; reactor; remove; sludge; substances; system; temperature; time; waste; wastewater; water
- versions: original; plain text
- hjic-411
- author: Kovács, A.; Varga, Gy.
- title: Experimental Results of Dry Drilling of Wear Resistant Steel
- date: 2011-09-01
- words: 3368
- flesch: 57
- summary: The main advantages of dry cutting are as follows [6]: - this machining method is environmentally friendly, i.e. it does not generate air pollution in the workshop; - the machine operator is not subjected to insalubrious effects: no respiratory or skin diseases are experienced; - the expenses of chip cleaning (oil, emulsion or chemical relief) can be decreased; - there are no coolant and lubricant fluid- related (purchasing, storing, cleaning, disposal) costs; - the structure of machining-related expenses changes (the tool-related increases, but the cooling- and lubrication-related expenses do not change), thus, the production expenses decrease. They are as follows [6]: - the operation becomes less flexible and less complex (primarily in the case of drilling); - cutting data need to be reduced, consequently, the machining time increases and the productivity decreases n; - tool life shortens, consequently, tool costs mount; - the reliability of the process generally worsens due to the significantly stronger scatter of tool life; - in some cases, when turning or milling castings, rusty or scaled pieces at a high productivity level, dry cutting jeopardizes workers’ health; - there is a limited accuracy and surface roughness attainable.
- keywords: average; case; changes; corner; cutting; distance; drilling; dry; experimental; feed; feed rate; figure; flank; force; hardox; high; higher; hole; increase; machining; measurement; min; parameters; production; rate; resistant; results; rev; roughness; sharp; speed; steel; surface; surface roughness; table; tool; torque; value; wear
- versions: original; plain text
- hjic-412
- author: Kun-Bodnár, K.; Maros, Zs.
- title: Cutting of Aluminium Alloy by Abrasive Waterjet
- date: 2011-09-01
- words: 1930
- flesch: 49
- summary: MAROS University of Miskolc, Department of Production Engineering, H-3515 Miskolc – Egyetemváros, HUNGARY E-mail: krisztina.bodnar@uni-miskolc.hu E-mail: zsolt.maros@uni-miskolc.hu Aluminium sheets are cut several times by abrasive waterjet cutting. Investigation of depth of kerf is widely used for research of efficiency of abrasive waterjet cutting.
- keywords: abrasive; abrasive mass; alloy; almgsi0,5; aluminium; cutting; depth; effect; efficiency; experiments; extent; feedrate; flow; higher; kerf; machining; mass; material; parameters; pressure; process; results; technological; time; waterjet
- versions: original; plain text
- hjic-413
- author: Mihály, K.; Hornyák, O.
- title: Using Graphical Processing Units in Scheduling Problems
- date: 2011-09-01
- words: 2370
- flesch: 61
- summary: Our goal is to use this specialized graphical platform for solving scheduling problems. This paper is an initial research of the existing platforms and solutions in general and describes the existing solutions in fact of scheduling problems.
- keywords: algorithms; approach; architecture; case; clock; code; computing; cpu; cuda; data; device; display; early; flowshop; gpu; gpus; graphical; hardware; information; kernel; language; main; memory; methods; new; nvidia; parallel; platform; point; problems; processing; processors; programming; scheduling; solutions; standard; tasks; thread; time; units
- versions: original; plain text
- hjic-414
- author: Molnar, V.; Kundrak, J.
- title: Comparison of Hard Machining Procedures on Material Removal Rate
- date: 2011-09-01
- words: 4299
- flesch: 55
- summary: [mm 3/s] L=27.35 mm Figure 2: Practical values of material removal rate based on the operation time by the same bore-hole length Conclusion Focusing on industrial demands, the applicability of hard machining procedures and the determination of their fields of application have been invariably a key research topic. Several decisive advantages and disadvantages of hard cutting and grinding procedures are known, but further research is needed to reduce for example the process time or the environmental load.
- keywords: adobe; bore; combined; components; cutting; diameter; different; economic; environmental; experiments; false; grinding; hard; hard turning; hole; increase; insert; internal; length; load; lubricant; machine; machining; material; min; mrr; operation; pr2; pr5; practical; procedure; process; production; rate; removal; roughing; smoothing; standard; surfaces; table; technological; time; tool; true; turning; values; wiper; workpiece; wp1; wp2; wp3; wp4
- versions: original; plain text
- hjic-415
- author: Monostori, R.; Dudás, I.
- title: Finite Element Method Analysis of Hip-Joint Prosthesis
- date: 2011-09-01
- words: 1658
- flesch: 43
- summary: Metal parts (for example, the stem and the sphere head) of hip prostheses are made of either stainless steel or another metal, for example, titanium. Figure 5: Head and socket models Finite elements method analysis
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; analysis; ansys; bone; case; chemical; deformation; element; example; false; fem; figure; finite; head; hip; joint; material; metal; miskolc; prosthesis; socket; software; sphere; stem; tension; true
- versions: original; plain text
- hjic-416
- author: Nádasi, P.; Szabó, I.
- title: On-Board Applicability of Mems-Based Autonomous Navigation System on Agricultural Aircrafts
- date: 2011-09-01
- words: 3725
- flesch: 48
- summary: With the help of dead reckoning navigation system using MEMS accelerometers and gyroscopes, the spatial attitude and geographic location of the aircraft can be obtained. This paper focuses especially on their deployment on- board agricultural aircrafts, where pest control and crop spraying efficiency can be dramatically improved, thus the environmental load can be minimized.
- keywords: /qfactor; /tileheight; /tilewidth; accelerometers; accuracy; actual; adc; adobe; aerospace; agricultural; aircraft; angle; areas; board; calculation; cdu; computer; control; crop; crop spraying; data; database; deployment; design; devices; dispersion; efficiency; false; fields; flight; general; gps; grade; ground; gyroscopes; high; imu; industry; inertial; information; load; mems; navdata; navigation; particles; pdf; performance; pesticide; pilot; position; range; safety; speed; spraying; system; table; tas; time; true; updrafts; usage; use; wind
- versions: original; plain text
- hjic-417
- author: Nagy, L.; Lénárt, J.; Jakab, E.
- title: Determination of the Inductance of Starter Relays
- date: 2011-09-01
- words: 2273
- flesch: 51
- summary: [m H ] Figure 4: Inductance functions 0 10 20 30 40 0 5 10 15 0 2 4 6 8 10 i Relatively few methods are available for DC excited inductance measurements [4].
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; air; case; coil; core; core coil; current; derivative; determination; electromechanical; equivalent; false; figure; force; function; inductance; iron; iron core; measurement; mechanism; method; model; position; relay; self; starter; supply; time; true
- versions: original; plain text
- hjic-418
- author: Lupea, D.; Szőke, I.; Majdik, A.; Lazea, Gh.
- title: Prototype of a Multi-Robot System for Autonomous Gas Mapping in Polluted Environments
- date: 2011-09-01
- words: 4773
- flesch: 52
- summary: A review of electrolyte and electrode materials for high temperature electrochemical CO2 and SO2 gas sensors, Sensors and Actuators, 134(2), (2008), 1034–1041 11. Resistive oxygen gas sensors for harsh environments, Sensors, 11(4), (2011), 3439–3465 15.
- keywords: adobe; algorithm; area; autonomous; axis; bayesian; case; ch4; chemical; clouds; concentration; detection; detector; developed; distribution; electrode; electrolyte; ellipse; environment; equation; false; features; fig; figure; filters; following; gas; gases; gaussian; ground; high; image; interest; large; laser; localization; map; mapping; measurement; methane; mobile; monitoring; multi; novel; order; oxygen; particle; pdf; point; pollution; research; robot; scale; sensing; sensors; set; simultaneous; slam; solid; sox; space; state; surf; system; t t; temperature; time; toxic; true; unit; update; vision; − −
- versions: original; plain text
- hjic-419
- author: Tancsics, F.
- title: ‘By’ Treating of Micro-Alloyed Steels Supported by Integrated ‘IT’ Technology in the Forging Factory of Raba
- date: 2011-09-01
- words: 3007
- flesch: 42
- summary: They are more stable even at higher temperature than iron carbide, that’s why at the temperature of hot- forming they are forming carbides, nitrides and carbonitrides with carbon and nitrogen contents of steel. With limited austenite overcooling - from normal (designed) heating temperature (~1240 °C) - in air flow, in defined loading order (designed) (Fig. 5) - without air flow, in defined order (Fig. 6) - from higher heating temperature (~1290 °C) - in air flow, in defined loading order - without air flow, in defined order.
- keywords: adobe; air; alloying; austenite; basic; camera; carbon; carrier; cooling; distribution; effect; energy; factor; false; ferrite; fig; figure; flow; forging; grain; heat; higher; important; inspections; intensive; material; measured; micro; microstructure; order; planetary; process; refining; second; simulation; size; stage; steels; strength; surface; technology; temperature; thermographic; treatment; true; vanadium
- versions: original; plain text
- hjic-420
- author: Lőrincz, I.; Czeglédi, D.
- title: Optimalisation the Position of Solar Cells for Vehicles
- date: 2011-09-01
- words: 3445
- flesch: 60
- summary: Keywords: energy of solar cells, energy management, electric vehicle, battery, MPPT, solar car, Shell Eco-marathon Introduction Regarding to the tendency of car industry nowadays, electrical powertrains will get more attention. With solar cells facing in the same direction we can achieve drag reduction by a transparent spoiler.
- keywords: adobe; angle; average; body; calculated; car; case; cells; charge; charging; circuit; difference; drag; drag performance; efficiency; electric; energy; false; fig; figure; following; force; ideal; incidence; increase; light; line; maximum; model; modification; optimal; performance; plane; power; shape; solar; solar cells; speed; sun; system; true; values; vehicle; view
- versions: original; plain text
- hjic-422
- author: Kohlrusz, G.; Fodor, D.
- title: Comparison of Scalar and Vector Control Strategies of Induction Motors
- date: 2011-09-01
- words: 3697
- flesch: 59
- summary: Torque–speed control can be solved by the linear variaton of the two parameters (Eq. 3). Field oriented control is based on a mathematical abstraction.
- keywords: adobe; case; change; closed; constant; control; controlling; coordinate; current; equations; false; field; figure; flux; frequency; hertz; induction; load; loop; magnitude; method; model; motors; necessary; parameters; phase; quantities; resistance; results; rms; rotor; scalar; scalar control; speed; stator; system; technique; test; torque; true; vector; vector control; voltage; volts
- versions: original; plain text
- hjic-424
- author: Raczkovi, L.
- title: CBN Tool Life Prediction by Artificial Neural Network
- date: 2011-09-01
- words: 2704
- flesch: 60
- summary: Keywords: Tool life, Artifical Neural Network Introduction Cubic boron-nitride was synthesized by R. H. Wentorf in 1957. In this study, ANN was created and simulated to determine tool life in case of different cutting speeds, work piece diameters, constant feed rate and depth of cut.
- keywords: + +; adobe; ann; anns; calculated; cbn; cutting; data; depth; diameter; different; false; feed; fig; function; hidden; layer; layered; life; measured; network; neural; neuron; output; parameters; rate; results; rev; speed; table; tool; tool life; training; true; values; workpiece
- versions: original; plain text
- hjic-425
- author: Vágó, Á.; Rippel-Pethő, D.; Horváth, G.; Tóth, I.; Oláh, K.
- title: Removal of Hydrogen Sulfide from Natural gas,a Motor Vehicle Fuel
- date: 2011-09-01
- words: 4180
- flesch: 50
- summary: Besides energy density, hydrogen sulfide content for example is a critical quality parameter of natural gas, hence it is strictly regulated. The typical contents of natural gas are given in Table 1, but they can be different for every gas field.
- keywords: adobe; adsorbents; adsorption; alkali; alkali concentration; carbon; change; chemical; chemisorption; cm3; cng; concentration; consumption; contact; content; different; dioxide; effect; efficiency; engineering; experiments; false; fig; figure; flow; fuel; function; gas; gases; h2s; hungary; hydrogen; hydrogen sulfide; journal; motor; naoh; natural; natural gas; nm3; nozzle; parameters; ppm; pressure; process; purification; range; removal; separation; specific; sulfide; true; use; velocity; volume
- versions: original; plain text
- hjic-427
- author: Szabó, L.; Németh, S.; Szeifert, F.
- title: Separation of Multicomponent Mixtures
- date: 2011-09-01
- words: 3915
- flesch: 55
- summary: ∑ ∑ − = − = += 1 1 1 1 C i C i Copi Cinvi Csum τ (2) 65,0 65,0 65,0 65,0 14321 5000 328 280 & 11250 328 280 & 323 & i cond i i reb i i p iiiii b ii V HSM V HSM CfffNCf SM Cinv ⋅⎟⎟ ⎠ ⎞ ⎜⎜ ⎝ ⎛ Δ ⋅⋅+ +⋅⎟⎟ ⎠ ⎞ ⎜⎜ ⎝ ⎛ Δ ⋅⋅+ ++⋅⋅⋅++⋅= (3) condcond i rebreb ii TPHTPHCop )()( ⋅Δ+⋅Δ= (4) where C is number of products; Csum is cost of separation system; Cinvi is investment cost of column number i; Copi is operation cost of column number i; τ is amortization time; M&S is Marshall and Swift index; ΔHireb is reboiler duty of column number i; ΔH i cond is condenser duty of column number i; Vi is vapor rate in the column number i; P(T)reb is cost of the hot utility (depend on temperature); P(T)cond is cost of the cold 299 utility (depends on temperature); fi1-4 factor of column number i 9 products were determined in the case study, which makes the number of possible separation systems 1430.
- keywords: adobe; algorithmic; boiling; bpo; c b; c d; case; column; components; concentration; cost; d b; dbp; distillation; douglas; e b; e d; false; figure; fraction; gas; head; heuristic; key; method; multicomponent; number; optimal; order; point; possible; pressure; product; results; rules; separation; separation system; sequence; structure; study; synthesis; system; table; true; utility
- versions: original; plain text
- hjic-428
- author: Szalkay, Cs.
- title: The Region of Sebes-Körös and Holt-Sebes-Körös as Sample Areas of the Water Framework Directive
- date: 2011-09-01
- words: 1932
- flesch: 45
- summary: The area of the marshlands that is covered by water increased in the years when there was more precipitation and shrank those years that had less precipitation. So far on the base of the results of field and laboratory measurements surface water has been qualified according to MSZ 12749:1993 standards (excellent, good, tolerable, polluted, extremely polluted)
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; area; chemical; concentration; conductivity; directive; false; fig; figure; framework; freshwater; good; higher; holt; hungarian; hungary; körös; körösladány; körösszakál; management; measured; measurements; mágor; nitrate; parameters; physical; polluted; sebes; true; values; water; wfd
- versions: original; plain text
- hjic-429
- author: Szauter, F.; Székely, J. Á.; Horváth, E.
- title: Development of a Vehicle-Dynamic Measurement and Information System
- date: 2011-09-01
- words: 2550
- flesch: 48
- summary: One of the program is capable to analyse and display data from the output file the other can stream and display live data when the device is connected to the computer. There is a need for further develop of the algorithm, to get practiser driving dynamics, and engine data.
- keywords: acceleration; adobe; alternative; arduino; battery; bus; card; channel; current; data; date; development; device; dimensional; display; dynamic; engine; false; figure; file; function; gps; lcd; measurement; menu; module; need; operations; output; parameters; possibility; program; record; rtc; screen; sensor; system; time; true; values; vehicle; void
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- hjic-430
- author: Sztankovics, I.
- title: Rotational Turning in Precision Finishing
- date: 2011-09-01
- words: 3187
- flesch: 56
- summary: These operations use super hard cutting tools in the machining of hardened steels (HRC>45). The appearance of super hard cutting tools (e.g. PCBN) has enabled to develop appropriate machining methods to fulfil the demands of environmental protection.
- keywords: adobe; angle; axial; axial feed; better; case; circular; cutting; cutting edge; depth; design; diameter; edge; false; feed; fig; grouping; hard; helical; inclination; length; linear; machined; machining; methods; minimal; operations; path; pitch; point; rotational; rotational turning; speed; surface; tangential; tangential feed; tool; tool edge; true; turning; use; workpiece
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- hjic-431
- author: Tóth, A.; Balogh, Á.; Wichmann, B.; Dancza, I.; Szalkay, Cs.; Penksza, K.
- title: Seasonal Changes in Weed Vegetation on Arable Pannonian Sand and Loess Lands in Hungary
- date: 2011-09-01
- words: 2478
- flesch: 52
- summary: Owing to these processes, significant changes appeared in the dominance relations of arable weed species, thus invasion of some of them intensified, while others were forced back. Keywords: national weed survey, arable plants, invasive weed Introduction Five national weed surveys on arable lands have been carried out in Hungary since World War II.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; agricultural; alfalfa; arable; areas; autumn; budapest; changes; classification; control; corn; cover; coverage; dömsöd; edges; false; fields; figure; hungary; important; lands; loess; monthly; national; országos; parcels; percentage; quadrates; recording; results; sampling; small; species; surveys; true; values; way; weed; wheat
- versions: original; plain text
- hjic-432
- author: Polák, J.
- title: Efficiency and Mass Optimization of Electric Permanent Magnet Motor Driven Vehicle
- date: 2011-09-01
- words: 2514
- flesch: 46
- summary: By applying transmission, beside the mass of the motor the mass of transmission will count as well: mhl = mPMS + mh By increasing motor diameter, the torque derived by the motor also can be increased, but this way the inertia moment of motor will increase too, therefore the acceleration to the set point of motor will be slower. 317-320 (2011) EFFICIENCY AND MASS OPTIMIZATION OF ELECTRIC PERMANENT MAGNET MOTOR DRIVEN VEHICLE J. POLÁK Széchenyi István University, Department of Automotive and Railway Engineering H9026 Győr, Egyetem square 1, HUNGARY E-mail: polakj@sze.hu The propulsion system of road vehicles could be realized with the use of electric motor and a transmission system.
- keywords: /qfactor; /tilewidth; adobe; analysis; application; constant; crankshaft; diameter; different; drag; drive; drivetrain; efficiency; electric; engine; expensive; false; following; gear; high; inertia; magnet; mass; medium; mhl; moment; motor; optimization; pdf; power; ratio; resistance; results; rpm; shaft; system; torque; transmission; true; type; variables; vehicle; weight; ηhl; ηhm
- versions: original; plain text
- hjic-433
- author: Pézsa, N.; Ailer, P.
- title: Bioethanol Production from Paper Sludge Pretreated by Subcritical Water
- date: 2011-09-01
- words: 2547
- flesch: 41
- summary: 323 After detemining the optimal conditions for the fermentation using glucose as substrate paper sludge was used as substrate. Paper sludge is a waste stream of the paper industry and has a high cellulose content, which makes it appropriate for bioethanol production.
- keywords: adobe; alternatives; bioethanol; cellulose; composition; concentration; conditions; consumption; different; enzymatic; ethanol; experiments; false; fermentation; figure; glucose; hours; hydrolysis; initial; inoculum; levels; maximum; measured; medium; methods; microorganism; optimum; paper; paper sludge; parameters; pdf; ph=5; pretreatment; production; results; sludge; subcritical; substrate; true; values; water
- versions: original; plain text
- hjic-434
- author: Farkas, A.; Faragó, P.
- title: Thoughts about the Clear Energy
- date: 2011-09-01
- words: 4774
- flesch: 55
- summary: Keywords: association, attitudes, energy sources, knowledge The aim of the survey If we want every layer of society to cooperate for success we need society to believe in alternative energy sources and acquire the basic knowledge related to it. In this research we introduce how university students look at alternative energy sources.
- keywords: adobe; alternative energy; analysis; answers; association; attitude; average; background; better; budapest; case; conclusion; corvinus; data; diagram; difference; distribution; energy sources; factors; false; figure; financial; findings; group; higher; hungary; important; information; informed; interviewees; knowledge; mentioned; open; pdf; people; plant; present; proportion; quadrant; question; renewable; research; residents; respondents; results; samples; setting; society; students; study; support; survey; terms; true; university
- versions: original; plain text
- hjic-443
- author: Bakonyi, P.; Nemestóthy, N.; Ramirez, J.; Ruiz-Filippi, G.; Bélafi-Bakó, K.
- title: Feasibility study of gas separation membranes for biohydrogen separation
- date: 2011-09-01
- words: 1736
- flesch: 54
- summary: In this work concentration of biohydrogen by gas separation membranes were aimed to study. There are different methods for hydrogen separation and concentration including the membrane processes such as membrane gas separation [7, 8] which is considered extremely attractive from environmental point of view [9].
- keywords: biohydrogen; co2; concentration; energy; experiments; gas; gases; high; hydrogen; int; me1; me2; membranes; modules; paul; permeabilities; permeation; polym; pressure; processes; production; properties; rate; sci; selectivities; separation; transport
- versions: original; plain text
- hjic-444
- author: Egedy, A.; Varga, T.; Chován, T.
- title: Application of models with different complexity for a stirred tank reactor
- date: 2011-09-01
- words: 3063
- flesch: 46
- summary: The perfectly mixed vessel models and compartment models were solved in MATLAB/SIMULINK program package. Three types of models with different complexities have been developed: perfectly mixed reactor model, compartment model, and Computational Fluid Dynamics (CFD) models.
- keywords: adobe; analysis; case; cfd; circulation; compartment; complexity; component; concentration; control; dead; design; different; distributor; engineering; exothermic; false; feed; figure; flow; heat; hydrogen; impeller; important; level; mixed; mixing; modelling; models; parameters; pdf; peroxide; problems; process; processes; reaction; reactor; results; revolution; sodium; study; system; tank; temperature; true; vessel; volume; work; zone
- versions: original; plain text
- hjic-445
- author: Hegedüs, I.; Nagy, E.; Kukolya, J.; Barna, T.; Fekete, Cs. A.
- title: Cellulase and hemicellulase enzymes as single molecular nanobiocomposites
- date: 2011-09-01
- words: 4977
- flesch: 44
- summary: Table 1: Yields of enzyme nanoparticles of thermostable hemocellulase enzymes (from Thermobifida fusca) using method by Kim et al. Type of enzymes β-mannosidase Mutant β-mannosidase β-xylosidase Endomannanase Sign MN–12 MM–2 Figure 8: Stability of cellulase enzyme nanoparticles (CK = native cellulase enzyme complex, NCKA–2 cellulase enzyme nanocomposites with AA at 80 °C) Figure 9: Comparison of the activities of cellulase enzyme complex using different methods to stabilize them as enzyme nanoparticles (CK = natural cellulase enzyme complex, NCK
- keywords: 4ef; activities; activity; adobe; bisacrylamide; case; cellulase; chemical; complex; different; distribution; e e; ee ee; endomannanase; enzyme; enzyme nanoparticles; false; fig; figure; fusca; hemicellulase; hexane; higher; hollow; hour; hydrophobic; incubation; inorganic; journal; kim; layer; magnetic; mannosidase; metal; method; modified; molecules; nanogel; nanolayer e; nanoparticles; non; organic; polymer; polymerization; pot; process; protein; reaction; sen; sigma; silica; single; single enzyme; size; sphere; stability; stabilization; start; step; surface; synthesis; thermobifida; tms; true; xylosidase
- versions: original; plain text
- hjic-446
- author: Hajba, L.; Eller, Z.; Nagy, E.; Hancsók, J.
- title: Properties of diesel-alcohol blends
- date: 2011-09-01
- words: 2824
- flesch: 50
- summary: Reducing aromatic content of diesel fuels influences the miscibility of ethanol in diesel fuel and it affects the amount of additive required to achieve a stable blend. 4965–4971 3. A. C. HANSEN, Q. ZHANG, P. W. L. LYNE: Ethanol– diesel fuel blends – a review, Biores.
- keywords: additives; adobe; alcohol; blends; butanol; cetane; cfpp; chain; chemical; cold; composition; content; diesel; ethanol; false; filter; frequency; fuel; heat; hfrr; high; hydrocarbon; kcl; number; pdf; phase; plugging; point; properties; range; rig; separation; solubility; table; temperature; true; use; water
- versions: original; plain text
- hjic-447
- author: Orbán-Mihálykó, É.; Mihálykó, Cs.; Lakatos, B.G.; Szabó, T.; Papp, A.
- title: Profit optimization of batch-continuous production systems under stochastic processingconditions by simulation
- date: 2011-09-01
- words: 4081
- flesch: 55
- summary: Then an important question arises: how much profit can be obtained as a function of the volume of storage system, the initial amount of the material in the storage and the output rate. Keywords: Processing system, Intermediate storage, Stochastic operation, Profit, Expectation Introduction Intermediate storage plays an important role in improving the operating efficiency of processing systems, and fitting to each other the subsystems with different operational characteristics.
- keywords: adobe; batch; case; continuous; cost; cycle; equation; expectation; expected; false; fig; figure; filling; function; income; initial; integral; intermediate; intermediate storage; j j; material; maximum; optimal; process; processing; production; profit; random; rate; simulation; stochastic; storage; system; time; true; value; volume
- versions: original; plain text
- hjic-448
- author: Németh, Á.; Kiss, Á.; Sevella, B.
- title: Experiments for d-lactic acid production with fermentation
- date: 2011-09-01
- words: 2850
- flesch: 47
- summary: 0 2 4 6 8 10 12 14 16 18 20 40 60 80 100 120 5 10 15 20 25 30 35 Q Gl uc os e (g /L ) YE (g/L) Figure 2: Examination of the media composition on the effectiveness of lactic acid fermentation Onto the calculated Q values obtained from the experiment we fitted a Gauss-surface (R2=0.98) with Sigma Plot 2001 software, and from the fitted constants of the function the location of the maximal Q can be established as follows: torquens, Biotechnology Letters 25 (2003) 1161–1164 3. K. HETÉNYI, Á. NÉMETH, B. SEVELLA: Use of sweet sorghum juice for lactic acid fermentation: preliminary steps in a process optimization, Journal of chemical technology 85 (2010) 872–877 362 4. K. HETÉNYI, Á. NÉMETH, B. SEVELLA: Optimization of wheat flour based medium for lactic acid fermentation, Chemical and Biochemical Engineering Quarterly 24(2) (2010) 195–201 5.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; acid; adobe; basis; case; cell; concentration; coryniformis; different; dry; effect; experiments; false; fermentation; figure; final; form; glucose; growth; higher; inhibition; lactic; lactic acid; lactobacillus; lower; mtp; nh4; németh; pdf; point; polymerisation; production; results; sevella; strain; strong; substrate; titer; true; weight
- versions: original; plain text
- hjic-449
- author: Kasza, T.; Hancsók, J.
- title: Isomerization of paraffin mixtures produced from sunflower oil
- date: 2011-09-01
- words: 4304
- flesch: 48
- summary: Beside them, the bio gas oil is a promising product that is a fuel with high isoparaffin content in the gas oil boiling range, which can be produced by the catalytic hydrogenation of different triglycerides. For example by increasing the severity of operational parameters the cracking reactions become dominant, furthermore the aromatization may also take place over high activity catalysts or at high temperature.
- keywords: acid; activity; adobe; aromatic; bar; bio; c18; catalyst; catalytic; cetane; cfpp; cold; composition; compounds; concentration; content; cracking; degree; diesel; different; effect; false; fatty; feedstock; flow; fuel; function; gas; h-1; hancsók; high; higher; hydrocarbon; hydrogenation; intermediate; isomerization; isoparaffin; lhsv; mainly; mixtures; normal; number; oil; oils; oxygen; paraffins; pressure; products; properties; range; reactions; sapo-11; surface; temperature; true
- versions: original; plain text
- hjic-450
- author: Kovács, S.; Pölczmann, Gy.; Hancsók, J.
- title: Investigation of storage stability of biodiesels
- date: 2011-09-01
- words: 3486
- flesch: 51
- summary: The aim of our research work was to investigate the long term storage stability of biodiesel samples originated from different feedstock. Results showed that the acid number and the water content increased, while the induction period and the iodine number decreased with increasing storage time of biodiesel samples.
- keywords: acid; adobe; air; biodiesel; biodiesel samples; biofuels; case; changes; composition; conditions; content; density; different; energy; esters; european; experimental; false; fatty; fatty acid; figure; high; important; induction; iodine; long; main; methyl; number; oils; oxidation; period; products; properties; rancimat; reactions; results; samples; stability; standard; storage; storage stability; table; term; test; true; value; viscosity; water; weeks
- versions: original; plain text
- hjic-451
- author: Pölczmann, Gy.; Valyon, J.; Hancsók, J.
- title: Investigation of catalytic conversion of Fischer-Tropsch wax on Pt/ALSBA-15 and Pt/beta zeolite catalysts
- date: 2011-09-01
- words: 3657
- flesch: 49
- summary: The applicability and catalytic activity of Pt/AlSBA-15 and Pt/beta zeolite catalysts of 0.5% platinum content for the selective isomerization of Fischer-Tropsch wax was investigated in the present experiment. Table 2: Main properties of the applied catalysts Properties β zeolite AlSBA-15 Pt content, % 0.5 0.5 Brønsted acidity, mmol NH3/g 0.83 0.6–0.65 BET area, m2/g 280 470 Average pore diameter, nm 0.76 x 0.64 3.6 Si/Al ratio 19.2 17.8 Experimental equipment Catalytic experiments were carried out in a high-pressure microreactor system (Fig. 3) at continuous operation and on steady-state catalyst.
- keywords: activity; adobe; alsba-15; application; bar; bar pt; base; beta; c21; catalyst; catalytic; composition; content; effect; experiments; false; feedstock; fig; figure; fischer; fractions; fuels; gas; h-1; high; hydrocracking; hydroisomerization; isomerization; lhsv; liquid; main; mixture; molecular; oil; oils; paraffin; parameters; point; pour; pressure; process; products; properties; reaction; selective; synthesis; table; temperature; tropsch; true; wax; weight; yield; zeolite
- versions: original; plain text
- hjic-452
- author: Ujhidy, A.; Szabó-Bárdos, E.; Horváth, O.; Horváth, A.; Schmidt, K.
- title: Degradation of organic pollutants in photocatalytic reactors
- date: 2011-09-01
- words: 4475
- flesch: 45
- summary: Figure 8: Photocatalytic degradation of oxalic acid on Degussa P25 catalyst, C0(oxalic acid) 40 50 60 70 80 90 0 2 4 6 Irradiation time / h T O C / m g dm -3 with static mixer without static mixer Figure 10: Photocatalytic degradation of formic acid on Degussa P25 catalyst in the pilot equipment with and without static mixer, C0(formic acid)
- keywords: acid; adobe; adsorption; aeroxid; anatase; application; aqueous; area; carbon; case; catalyst; chem; compounds; concentration; degradation; degussa; dioxide; dm-3; dm3; effect; efficiency; equipment; false; fig; figure; formic; formic acid; initial; irradiation; laboratory; light; mineralization; mixer; mixture; model; mol; organic; oxalic; oxalic acid; oxidation; p25; p90; particle; photocatalytic; photocatalytic degradation; pilot; processes; rate; reaction; reactor; scale; semiconductor; size; solution; specific; static; structure; surface; tio2; titanium; treatment; true; wastewater
- versions: original; plain text
- hjic-453
- author: Vajda, B.; Bélafi-Bakó, K.; Nemestóthy, N.
- title: The role of methanol inmicrobial fuel cells
- date: 2011-09-01
- words: 2970
- flesch: 48
- summary: Keywords: Microbial fuel cell, Direct methanol fuel cell, Microorganisms Introduction Microbial fuel cells are electrochemical systems which convert chemical energy directly into electrical energy by microorganisms. In direct methanol fuel cells (DMFC) methanol is supplied as an energy source and a polymer membrane is used to separate the two chambers and as an electrolyte.
- keywords: adobe; anaerobic; anode; case; cathode; cell; chamber; culture; data; direct; dmfc; effect; electrons; energy; false; figure; fuel; fuel cell; glucose; hydrogen; metabolic; methanol; methanol fuel; mfc; mfcs; microbial; microbial fuel; microorganisms; nutrients; pdf; protons; putrefaciens; shewanella; system; technology; true; voltage; water; work
- versions: original; plain text
- hjic-454
- author: Varga, Zs.; Lövitusz, É.; Csanádi, Zs.; Bélafi-Bakó, K.
- title: Manufacture of acid urease by lactobacillus fermentumfermentation
- date: 2011-09-01
- words: 2571
- flesch: 42
- summary: [8] Optimal pH Type of acid urease pH=3 Acid urease from Lactobacillus reuteri pH=3 Acid urease from Lactobacillus fermentum pH=5 Acid urease from Streptococcus bovis pH=4 Acid urease from Streptococcus mitior pH=4 Acid urease from Streptococcus salivarius pH=5 Acid urease from Lactobacillus ruminis Bacteria and cultivation Lactobacillus fermentum (Fig. 2) belongs to Gram-positive species of bacteria in the genus Lactobacillus. Acid urease was developed for removal of EC or prevention of its formation in beverages, and it was found in several bacteria.
- keywords: /qfactor; /quality; /tileheight; /tilewidth; acid; acid urease; activity; adobe; alcoholic; ammonia; bacteria; beverages; carbamate; cell; concentration; crushing; determination; enzymatic; enzyme; ethanol; ethyl; false; fermentation; fermentum; figure; formation; lactobacillus; methods; optimal; patent; pdf; phosphate; reaction; removal; sake; solution; streptococcus; table; true; urease; wine
- versions: original; plain text
- hjic-455
- author: Bányai, T.; Bélafi-Bakó, K.; Nemestóthy, N.; Gubicza, L.
- title: Biolubricant production in ionic liquids by enzymatic esterification
- date: 2011-09-01
- words: 3620
- flesch: 42
- summary: Previously biolubricants was successfully produced from fusel oil and isoamyl-alcohol substrates by enzyme catalised esterification, but solution of polar substrates was problematic, that was solved by using ionic liquids. The optimal reaction parameters such as substrate molar ratios, initial water content, amount of enzyme and type of ionic liquid were determined by experimental design using Statistica software.
- keywords: acid; adobe; alcohol; application; b[mim]pf6; biolubricants; case; catalytic; cations; chain; concentration; different; effect; enzymatic; enzyme; esterification; experiments; false; fig; figure; fusel; higher; imidazolium; ionic; ionic liquid; isoamyl; lipase; liquid; low; min; mixture; mmol; molar; necessary; oil; oils; oleate; oleic; optimal; organic; parameters; pdf; phosphonium; plant; product; production; ratio; reaction; results; solvent; stability; substrates; synthesis; system; temperature; time; true; type; values; water; yield
- versions: original; plain text
- hjic-456
- author: Borsos, A.; Lakatos, B. G.
- title: Influence of cooling profile on the product properties in cooling crystallizers
- date: 2011-09-01
- words: 4131
- flesch: 49
- summary: In the case of crystallization the fundamental balance equation describes the behaviour of crystal population by means of which the size distribution of crystals and dynamics of crystallizer can be investigated [1-5]. The moment equations of low order moments describe some important properties of crystals such as the number of crystalline particles, the total crystal volume in solution, the size distribution and mean crystal size of the product.
- keywords: adobe; balance; batch; behaviour; case; concentration; cooling; crystalline; crystallization; crystallizers; crystals; differential; dimensionless; equation; false; fig; figure; function; growth; heat; kinetic; mass; mathematical; mean; medium; method; model; moment; nucleation; numerical; order; parameter; population; population balance; process; processes; product; profile; properties; rate; s-1; simulation; size; solution; suspension; temperature; total; true; unit; variable; volume; ρεε
- versions: original; plain text
- hjic-457
- author: Németh, D.; Barta, Z.; Labidi, J.; Gubicza, L.; Bélafi-Bakó, K.
- title: Study on sorption characteristics of citric acid modified rape-seed pellet considering the chemical pre-treatment processes
- date: 2011-09-01
- words: 3510
- flesch: 51
- summary: Figure 2: Adsorption effectiveness of the untreated (RP) and citric acid modified rape-seed (RP/M) in the case of metal ions In Fig. 3, the inclination of the pre-treated samples (without citric acid modification) can be observed against copper, zinc and nickel ions. Figure 3: The adsorption effectiveness of the pre-treated rape-seed in the case of metal ions (RP – rape-seed without pre-treatment; RPE – extracted rape-seed; RPE/S – extracted and acidic treated rape-seed; RPE/L – extracted and alkaline treated rape-seed)
- keywords: acid; acidic; adobe; adsorption; alkaline; capacity; case; characteristics; chemical; citric; citric acid; copper; core; efficiency; extraction; false; fig; ground; heavy; hexane; hungary; husk; ions; journal; material; metal; modification; modified; nickel; pdf; pellet; pre; rape; reaction; research; results; rpe; seed; seed pellet; solution; sorbent; table; technology; treatment; true; untreated; water; zinc
- versions: original; plain text
- hjic-458
- author: Eller, Z.; Hancsók, J.
- title: Reduced aromatic jet fuels
- date: 2011-09-01
- words: 4413
- flesch: 52
- summary: Our aim was to study the possibilities of producing low sulphur and aromatic content jet fuels in a catalytic way. H ydrogen Feedstock Purge gas L iquid product 22. 23. Figure 3: The applied experimental apparatus 1: bottle-storage; 2, 4, 6: non-return valves; 3, 5: gas reductors; 7: gas flow controller; 8: feedstock vessel; 10: filter; 11: feedstock pump; 12: throttle valve, 13: flow meter; 14: reactor; 15, 16, 17: thermometers; 18: separator; 19: pneumatic valve; 20: gas-meter; 21: magnetic valve; 22: product receiver; 23: liquid product outlet 415 Experimental Our aim was to study the possibilities of producing low sulphur and aromatic content jet fuels in a catalytic way with hydrogenation of a petroleum fraction.
- keywords: adobe; aromatic; aromatic content; aviation; bar; bioparaffin; catalytic; cm3; co2; content; crystallization; determined; diesel; effect; emission; experiments; false; feedstock; figure; fuels; function; gas; hancsók; hydrocarbon; hydrogenation; increased; jet; lhsv; liquid; low; lower; p=20; p=30; p=40; p=50; p=50 bar; parameters; petroleum; point; preferable; pressure; process; products; properties; quality; ratio; saturation; smoke; sulphur; sulphur content; table; temperature; true; value; way; ° c
- versions: original; plain text
- hjic-459
- author: Németh, G.; Bélafi-Bak, K.; Nemestóthy, N.; Gubicza, L.
- title: Asymmetric lactic acid esterification with biocatalysts in ionic liquid
- date: 2011-09-01
- words: 5423
- flesch: 50
- summary: Previous report [30] shows that Cyphos 104 and Cyphos 202 were suitable solvents for lactic acid esterification with high ester yield. The product of esterification with low carbon chain alcohols has higher volatility than lactic acid (LA) itself, therefore it can be more effectively separated.
- keywords: 104; acid; activity; adobe; alcohol; antarctica; applied; biodegradable; calb; candida; content; conversion; cyphos; dla; e.e; enantiomeric; enantioselectivity; enzymatic; enzymes; esterification; ethanol; excess; experiments; false; fermentation; figure; high; higher; hours; ils; immobilized; initial; ionic; lactate; lactic; lactic acid; lactide; lipase; liquid; lla; mixture; mmol; molar; optical; organic; parameters; phosphonium; pla; plla; points; poly; production; properties; ratio; reaction; results; rla; rugosa; sample; solvents; synthesis; technology; temperature; true; use; values; water; water content; yield
- versions: original; plain text
- hjic-460
- author: Prettl, Zs.; Lepossa, A.; Tóth, É.; Kelemen-Horváth, I.; Németh, Á. Sz.; Nagy, E.
- title: Effects and changes of zearalenone and fumonisin contamination in corn-based bioethanol process
- date: 2011-09-01
- words: 3049
- flesch: 48
- summary: In this work dry-grind ethanol production was carried out from different corn samples (uncontaminated; zearalenone; fumonisin B1+B2 contaminated) and the changes of the ratio of the solid-liquid phase as well as toxin concentrations were examined in laboratory scale. The ratio of solid and liquid phase of both contaminated and uncontaminated corn suspensions changed similarly in each technological steps (Fig. 5).
- keywords: /qfactor; /quality; /tileheight; /tilewidth; adobe; analyses; b1+b2; bioethanol; changes; concentrations; contaminated; content; corn; different; dry; effects; end; ethanol; false; fb1; feed; fermentation; figure; food; fumonisin; fungi; fusarium; glucose; grains; ground; human; limit; liquid; lower; maize; matter; milling; mycotoxins; pdf; phase; process; production; protein; samples; solid; source; starch; structure; table; toxin; true; wet; yield; zearalenone
- versions: original; plain text
- hjic-462
- author: Németh, J.; Verdes, S.
- title: Flow pattern within hydrocyclone
- date: 2011-09-01
- words: 7104
- flesch: 55
- summary: Figure 5: Tangential velocity distributions In all the three cases the diameters of the hydrocyclones, the quantity of input liquid flow, its velocity and pressure were near identical. Figure 8: Tangential velocity distribution in case of a fluid with different viscosity Theoretically it was only to be expected, because neither in the whirl rotating as a rigid body neither in the potential whirl the viscosity does not play a role.
- keywords: adobe; air; air core; authors; average; axial; axis; bigger; case; centrifugal; change; clear; cone; conical; constant; core; cut; cylindrical; data; diameter; different; direction; distributions; eng; equations; equilibrium; experiments; expression; false; figure; finder; flow; fluid; following; force; free; gas; hydrocyclone; kelsall; line; liquid; lower; measurement; medium; model; motion; outflow; particle; pressure; radial; radial velocity; radius; right; rotating; section; separation; settling; size; smaller; surface; tangential velocity; time; true; value; velocities; velocity; velocity distributions; viscosity; volume; vortex; vtr; wall; water; whirl
- versions: original; plain text
- hjic-485
- author: ,
- title: Editorial Preface
- date: 2014-11-01
- words: 245
- flesch: 19
- summary: • process monitoring and supervision • system identification and signal processing • bioengineering • traffic control • reaction kinetic networks • modelling of complex systems (classical, hierarchical, Bayesian, fuzzy, networks) • image processing and pattern recognition • artificial intelligence • soft computing (neural, genetic, fuzzy algorithms, etc.) • software (parallel computing, distributed and network computing, data visualization) • decision making (decision support, data mining) • applications of systems and control theory You are invited to participate at the 14th International PhD Workshop in Veszprém in 2015!
- keywords: computing; control; engineering; international; phd; process; systems; workshop
- versions: original; plain text
- hjic-487
- author: Salai, Mario; Tuboly, Gergely; Vassányi, István; Kósa, István
- title: Telemedical Heart Rate Measurements for Lifestyle Counselling
- date: 2014-11-01
- words: 3330
- flesch: 56
- summary: Data validation means removing obviously bad data (artefacts) and keeping only ‘good’ data segments of sufficient length, because, as a rule of thumb, both HRV and Poincare plot computations require data chunks of at least 5 minutes. Table 2 shows results in the time domain for Schiller and CardioSport devices after using the algorithm for the synchronization of signals.
- keywords: absolute; afib; algorithm; analysis; atrial; average; belt; cardiosport; cases; chest; data; detection; device; domain; error; fibrillation; frequencies; heart; high; hrv; low; mean; measurements; minimum; number; rate; reference; results; schiller; segments; signal; subject; synchronization; table; validation; values; window
- versions: original; plain text
- hjic-488
- author: Patartics, Bálint; Kiss, Bálint
- title: The Application of Unknown Input Estimators to Damp Load Oscillations of Overhead Cranes
- date: 2014-11-01
- words: 4338
- flesch: 74
- summary: Keywords: overhead crane, state estimation, nonlinear systems, unknown inputs, Kalman filter Introduction This paper focuses on the development of state estimation methods for mechanical systems with uncertain frictional pa- rameters.
- keywords: angle; cart; closed; control; controller; crane; design; discrete; disturbance; error; estimated; estimation; estimators; feedback; figure; filter; forces; form; friction; input; int; kalman; load; loop; measurement; mechanical; methods; model; nonlinear; output; overhead; proc; results; signals; simulation; state; system; time; u[k; uikf; ukf; unknown; winch; x[k
- versions: original; plain text
- hjic-489
- author: Dobos, Sándor; Kovács, Attila
- title: Challenges of Enterprise Policy Compliance with Smartphone Enablement or an Alternative Solution Based on Behaviour-based User Identification
- date: 2014-11-01
- words: 4696
- flesch: 53
- summary: • Association between network nodes could be defined as the connections of the applications (calls, connections, as web access), usually resources are connecting together. • Based on the above elements, network nodes and associations provide the details to calculate the association matrix.
- keywords: acad; access; act; algorithm; amaral; analysis; applications; automorphism; behaviour; blueprint; business; byod; centrality; challenges; clustering; community; complex; compliance; connections; current; data; degree; device; economic; edges; efficiency; elements; enablement; enforcement; enterprise; environment; graph; growth; high; identification; l.a.n; malicious; management; mdm; method; mobile; modules; motif; natl; need; neighbours; network; nodes; number; online; organizations; particular; phys; platform; policy; proc; sci; security; set; smartphones; social; software; solution; strategy; structure; systems; technology; threats; usa; user; vertices
- versions: original; plain text
- hjic-49
- author: Dencs, J.; Dencs, B.; Marton, G.
- title: Chemical Utilization of Biomass I: Starch Modification in Batch Type Solid Phase Reactor
- date: 2003-09-01
- words: 3094
- flesch: 54
- summary: The laboratory experiments related to the development of starch based flocculants were of two kinds, preparation of polyelectrolytes and testing of the best products in different applications. The reaction parameters (temperature, concentration, etc.) were chosen so that we could prepare polyelectrolyte with solubility as high as possible, satisfactory ionic character and high molecular weight.
- keywords: 213a; algae; anionic; characteristics; chemical; content; drying; experiments; fig; figure; flocculants; flocculation; greenfloc; groups; heating; material; modification; molecular; molecular weight; native; particles; phase; phosphate; phosphorylation; pilot; plant; polymers; products; properties; reaction; reactor; results; scale; solid; starch; temperature; time; treatment; veszprém; water; weight
- versions: original; plain text
- hjic-490
- author: Göllei, Attila; Görbe, Péter; Magyar, Attila; Neukirchner, László
- title: Measurement-based Modelling and Simulation of a Hydrogengenerating Dry Cell for Complex Domestic Renewable Energy Systems
- date: 2014-11-01
- words: 2728
- flesch: 51
- summary: We tested it in a simulation of a complex domestic power plant using a renewable energy source and hydrogen generation cell. Two unknown functional relationships between the generated H2 volume, the cell current and the KOH concentration and between cell voltage, cell current and KOH concentration were approximated using fourth and third order polynomials, respectively Figure 2: The setup of a HHO gas generator cell block Table 1: Experimental results Electrolyte concentration, g dm-3 MMWa, cm3 min-1 W-1 Gas production, dm3 min-1 Power of unit, W 1 2.13 0.20 10.8 2 2.66 0.75 34.4 3 2.66 1.37 55.8 4 2.59 1.51 82.2 5 2.72 1.90 90.6 6 2.63 2.52 119.5 7 2.67 2.96 140.0 8 2.65 2.76 125.0 9 2.46 2.28 105.6 10 1.82 2.15 103.2 a millilitres per minute per watt 87 using the Matlab Surface Fitting Tool.
- keywords: block; cell; cell model; ckoh; complex; concentration; current; different; domestic; dry; dry cell; electrical; electrochemical; electrolyte; energetic; energy; figure; gas; generation; grid; hho; hydrogen; inverter; low; matlab; model; plates; power; production; renewable; results; simulation; simulink; sources; system; unit; value; voltage; volume; water
- versions: original; plain text
- hjic-491
- author: Neukirchner, László; Magyar, Attila
- title: Quasi-polynomial Representation-based Control of Mechanical Systems
- date: 2014-11-01
- words: 2862
- flesch: 67
- summary: Quasi-polynomial systems are good candidates for a general nonlinear system representation, since their global stability analysis is equivalent to the feasibility of a linear matrix inequality. The classical stabilizing state feedback problem for quasi-polynomial systems was extended with the ability of tracking time-dependent reference signals.
- keywords: analysis; closed; coefficient; controller; design; differential; drive; error; feedback; form; function; global; glv; i=1; inequality; isn; k=1; loop; lotka; lyapunov; matrix; mobile; model; new; nonlinear; polynomial; pos; problem; proportional; quasi; representation; robot; stability; state; systems; volterra
- versions: original; plain text
- hjic-493
- author: Lipták, György; Szederkényi, Gábor; M. Hangos, Katalin
- title: On the Parametric Uncertainty of Weakly Reversible Realizations of Kinetic Systems
- date: 2014-11-01
- words: 2773
- flesch: 63
- summary: The existence of weakly reversible realizations within a given convex domain is investigated. It is shown that the domain of weakly reversible realizations is convex in the parameter space.
- keywords: ãk; closed; convex; deficiency; equilibrium; feedback; following; graph; i=1; kinetic; kirchhoff; linear; loop; matrices; matrix; method; point; polynomial; positive; reaction; realization; reversibility; reversible; system; vector; weakly
- versions: original; plain text
- hjic-494
- author: Fodor, Attila; Bálint, Roland; Magyar, Attila; Szederkényi, Gábor
- title: Stability and Parameter Sensitivity Analyses of an Induction Motor
- date: 2014-11-01
- words: 2621
- flesch: 63
- summary: Local Stability Analysis As the final aim of our research is to estimate the param- eters of a particular Grundfos IM, first of all the resis- tances (Rs and Rr) of the IM were measured. Thus stator voltage vs(t) can be represented as the overall distributed voltages in all phase windings: vs(t) = 2 3 ( a0 ·vsa(t)
- keywords: analysis; angular; change; components; constant; control; dynamical; electrical; figure; flux; following; induction; is(t; l′r; model; nonlinear; parameters; resistances; rotor; sensitivity; space; state; stator; system; torque; variables; vector; voltage; φds; φqs; φ′dr
- versions: original; plain text
- hjic-50
- author: Dencs, J.; Marton, Z.; Dencs, B.; Marton, G.
- title: Chemical Utilization of Biomass II: Preparation of Adsorbents from Wheat Straw to Eliminate Cupric and Zinc Ions of Industrial Wastewaters
- date: 2003-09-01
- words: 1942
- flesch: 59
- summary: There have been several extended Langmuir models applied to multicomponent sorption systems. Equilibrium relationships between sorbent and sorbate are described by sorption isotherms.
- keywords: area; capacity; cbcb1; component; concentration; dm3; equilibrium; ions; isotherms; langmuir; metal; mixture; mmol; model; multicomponent; reaction; sample; single; solute; solution; sorbent; sorption; straw; surface; systems; temperature; water; zinc
- versions: original; plain text
- hjic-509
- author: Solymosi, Péter; Varga, Zoltán; Hancsók, Jenő
- title: Investigations of Bio-gasoil Production
- date: 2021-09-23
- words: 2988
- flesch: 56
- summary: These are the vegetable oils that can be obtained from non-edible hybrid oil-plants, rapeseed oil from Brassica napus with high euric acid content to produce diesel fuel blending components with good flow properties in colder conditions (below +5 °C). In this context, we studied the isomerisation of bio-paraffin mixtures, which were obtained from the hydrodeoxygenation of vegetable oil.
- keywords: acid; bar; bio; biofuels; blending; catalyst; catalytic; chem; components; content; diesel; euric; feedstock; figure; fraction; fuels; gasoil; h-1; hancsók; high; higher; hydrodeoxygenation; hydrogenation; iso; isomerisation; kasza; liquid; mixture; natural; oil; oils; operation; paraffin; parameters; production; products; properties; rapeseed; sapo-11; target; temperature; triglycerides; vegetable
- versions: original; plain text
- hjic-51
- author: Vaklieva-Bancheva, N. G.; Shopova, E. G.; Ivanov, B. B.
- title: Application of Fourier Transformation for Waste Minimization in Batch Plants. 2. Process-Units Assignment
- date: 2003-09-01
- words: 5052
- flesch: 63
- summary: [h] ; H-I, H-II – names of horizons used in the example; I – number of products; ID – units/tasks identification matrix L – number of production tasks; %MC – casein content in the skim-milk; MI – amount of material input to the task [kg]; %ML –lactose content in the skim-milk; MO – amount of material output from the task [h]; x –particular key component composition in used materials continuos variables, (milkfat content for the example) SUBSCRIPTS i – product; j j, j’ – input output flows of the task; k – a series order; l – production task; n – key component; p – plant unit; w – waste GREEK LETTERS µ – the standard limit value for the pollutant; ν – volume of input to the task flow [m3]; ζ – binary variables presenting the process-units assignments REFERENCES 1.
- keywords: account; batch; bod; components; composition; constraints; content; curds; dairy; demands; environmental; function; horizon; i(),n; i(x; impact; inherent; key; manufacturing; materials; mathematical; milk; milkfat; objective; plant; problem; processing; production; products; raw; respective; routes; routine; size; sources; table; target; task; time; units; values; variables; waste; whey; ζ ζ;
- versions: original; plain text
- hjic-510
- author: Hodai, Zoltán; Rippel-Pethő, Dóra; Horváth, Géza; Hanák, László; Bocsi, Róbert
- title: The Energy Balance of Separation Opportunities in Microalgae Technologies
- date: 2021-09-23
- words: 2687
- flesch: 40
- summary: The utilisation of carbon dioxide by algae technologies depends on the technical environment and logistics of teamwork. Algae technology utilises waste gases and some environmentally harmful components from wastewaters as nutrients, and thus purifies the growth media.
- keywords: algae; biodiesel; biomass; bioresource; biotechnol; carbon; chemical; concentration; content; continuous; costs; critical; development; dioxide; energetic; energy; environmental; extraction; fixation; flocculation; flotation; flue; foam; gas; gases; growth; harvesting; high; hungary; literature; membrane; microalgae; operation; parameters; processes; processing; production; renewable; research; separation; specific; steps; suspension; systems; techniques; technological; technologies; technology; university; utilisation
- versions: original; plain text
- hjic-511
- author: Molnár, Éva; Rippel-Pethő, Dóra; Bocsi, Róbert
- title: Solid-liquid Extraction of Chlorophyll from Microalgae from Photoautotroph Open-air Cultivation
- date: 2021-09-23
- words: 2268
- flesch: 52
- summary: Keywords: microalgae, extraction solvent, extraction, chlorophyll, spectrophotometry Introduction Energy demand has been rapidly increasing throughout the world, which is mainly met by the combustion of fossil fuels that results in an increase in the concentration of greenhouse gases in the atmosphere. An investigation was carried out in order to compare and contrast two extraction methods (Soxhlet extraction and leaching) and four solvents (acetone, diethyl ether, ethanol and methanol) to determine the most effective method for the extraction of chlorophylls from dried microalgae (Chlorella vulgaris sp.).
- keywords: acetone; algae; biodiesel; carbon; chlorophyll; concentration; cultivation; diethyl; different; dioxide; effective; efficiency; energy; ether; extraction; figure; flask; food; leaching; liquid; mass; measured; methanol; methods; microalgae; number; powder; production; results; solvent; soxhlet; soxhlet extraction; technology; water
- versions: original; plain text
- hjic-512
- author: Boda, Dezső; Gillespie, Dirk
- title: Calculating the Electrostatic Potential Profiles of Double Layers from Simulation Ion Density Profiles
- date: 2021-09-23
- words: 6234
- flesch: 65
- summary: -20 0 20 40 60 x / Å -4 -2 0 2 4 C ha rg e pr of il e / M Figure 1: Density profiles (top panel) and a charge profile (bottom panel) obtained from a short (200 MC cycles) constant charge simulation using � 1 = �� 2 = �0.1 Cm�2. This value we estimated with a very long (50,000 MC cy- cles) constant charge simulation and was obtained as � ⇤ = 4.398 kT/e.
- keywords: asaka; average; bcs; boundary; carlo; case; cell; charge; chem; computer; constant; constant voltage; convolution; density; dirichlet; double; electrical; electrode; electrolyte; electrostatic; ensemble; equation; field; henderson; integral; integration; ionic; ions; j. chem; kiyohara; layer; level; method; microscopic; model; monte; neumann; noise; panel; phys; poisson; porous; potential; prescribed; profile; q(r; results; simulation; surface; system; theory; value; voltage; voltage ensemble
- versions: original; plain text
- hjic-513
- author: Sólya, János; Miskolczi, Norbert
- title: Degradation of Reinforced and Unreinforced Waste Polyamides During Mechanical Recycling
- date: 2021-09-23
- words: 2908
- flesch: 48
- summary: The paper discusses the degradation of waste polyamides during mechanical recycling from the automotive sector. Conclusions We investigated the reprocessing of waste glass fibre reinforced and unreinforced polyamide 6.6 materials.
- keywords: average; case; chains; change; charpy; cm-1; cycles; degradation; extension; fibre; figure; flexural; ftir; function; glass; groups; impact; length; main; materials; mechanical; mpa; number; polyamide; polymer; properties; ratio; raw; recycling; reinforced; reinforcements; reprocessed; reprocessing; results; samples; specimens; strength; tensile; thermal; trend; waste
- versions: original; plain text
- hjic-518
- author: László, A.; Árva, P.
- title: Application of Analog Computers for the Measurement and Evaluation of Residence Time Distribution
- date: 1973-02-02
- words: 1168
- flesch: -1063
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- keywords: page
- versions: original; plain text
- hjic-519
- author: Brickle, T.
- title: Algebraic Description of Technical Chemical Systems I. The Significance of Modern Algebraic Methods in Chemical Systems Engineering
- date: 1973-02-02
- words: 1168
- flesch: -1063
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- keywords: page
- versions: original; plain text
- hjic-52
- author: Ciocirlan, O.; Iulian, O.
- title: Vapor Pressure, Density, Viscosity and Refractive Index of Dimethyl Sulfoxide + 1, 4-Dimethylbenzene System
- date: 2003-09-01
- words: 3417
- flesch: 61
- summary: REID R. C., PRAUSNITZ J. M. and POOLING E. B.: in Properties of Gases and Liquids, 4-rd, McGraw Hill Book Co., New York, pp. 314, 1988 26. Excess molar volumes, viscosity deviations and deviations in refractivity were calculated from experimental data; all the computed quantities were fitted to the Redlich-Kister equation.
- keywords: 1,4; binary; calculated; chem; chemistry; composition; correlation; data; density; deviation; dimethyl; dimethylbenzene; dmso; eng; equation; excess; experimental; figure; index; interactions; kister; liquid; m3·mol-1; mixtures; molar; nrtl; original; parameters; pressure; pure; range; redlich; refractive; refractivity; sulfoxide; system; table; temperature; unifac; values; vapor; viscosity; vle; volume; wilson
- versions: original; plain text
- hjic-520
- author: Brickle, T.; Ormós, Z.
- title: Studies on the Hydrodynamics of Fluidized Layers I. Measuring Methods for the Determination of the Expansion of Fluidized Layers
- date: 1973-02-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-521
- author: Csontos, G.; Heil, B.; Markó, T.; Chini, P.
- title: Hydroformylation of Propylene With Hydrogen, Rh4(CO)12 and Carbon Monoxide
- date: 1973-02-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-522
- author: Kántor, E.; Magyar, M.; Mózes, Gy.
- title: Calculation of Extraction Columns for Lubricating Oil Refining
- date: 1973-02-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-523
- author: Illés, V.; Welther, K.; Szepesy, L.
- title: Description of the Thermal Decomposition of Naphthas
- date: 1973-02-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-524
- author: Gárdos, Gy.; Hodossy, L.; Kun Szabó, T.
- title: Catalytic Dehydrogenation of Tetrahydrothiophene to Thiophene
- date: 1973-02-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-526
- author: Ujhidy, A.; Berkes, R.
- title: Beitrag zur Anwendung der Dünnschichtapparate
- date: 1973-03-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-527
- author: Brickle, T.; Bátor, E.; Halász, Zs.
- title: Algebraic Description of Technical Chemical Systems II. Material Systems And Changes
- date: 1973-03-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-528
- author: Brickle, T.; Ormós, Z.
- title: Studies on the Hydrodynamics of Fluidized Layers II. Streaming of Fluid, Particle Motion and Layer Expansion in Systems Fluidized With a Liquid
- date: 1973-03-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-529
- author: Ormós, Z.
- title: Studies on Granulation in Fluidized Bed I. Methods for Testing the Physical Properties of Granulates
- date: 1973-03-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-53
- author: Vasile-Mircea, C.; Dan, L.; Serban Paul, A.
- title: Education in Chemical Process Control Using the Supervisory Laboratory Application
- date: 2003-09-01
- words: 2371
- flesch: 37
- summary: The application serves as a convenient tool for manipulating the tuning parameters and for 35 revealing their effectiveness in different cases of pilot process control. Incentives for process control education For the mathematical modelling purpose the CAPE application serves as a useful provider of accurate process experimental data and a versatile process input (manipulated) variable function generator [3].
- keywords: application; cape; cape application; characters; chemical; communication; computer; concepts; control; controller; data; different; education; engineering; experimental; figure; format; laboratory; level; local; main; mode; monitoring; pilot; plants; polling; practical; process; process control; response; rex; sequence; set; special; supervisory; task; variable; window
- versions: original; plain text
- hjic-530
- author: Brickle, T.; Bátor, E.
- title: Determination of Optimum Parameters in Connection with Transportation with a Gas Stream
- date: 1973-03-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-531
- author: Parti, M.; Paláncz, B.
- title: Mathematical Model for Rectification Processes
- date: 1973-03-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-532
- author: Árva, P.; Szeifert, F.
- title: Mathematical Modelling of Absorption Columns I. The Investigation of the Models of Absorption Columns
- date: 1973-03-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-534
- author: Fonyó, Z.
- title: Energetic Interpretation of Distillation Based on Non-Equilibrium Thermodynamics
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-535
- author: Ormós, Z.; Pataki, K.; Csukás, B.
- title: Studies On Granulation in a Fluidized Bed II. The Effects of the Amount of the Binder on the Physical Properties of Granules Formed in a Fluidized Bed
- date: 1973-04-02
- words: 1168
- flesch: -1063
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- keywords: page
- versions: original; plain text
- hjic-536
- author: Tőrös, R.
- title: Generalization of the Entropy of Mixing I.
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-537
- author: Deák, Gy.
- title: A Method for the Calculation of the Nonpolar Solubility Parameter of Unsaturated Normal Hydrocarbons
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-538
- author: Mészáros, E.; Brickle, T.
- title: Investigation of the Fluid Mechanics in Liquid-Spouted Bed Systems
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-539
- author: Pór, J.
- title: Determination of the Virtual Rate Constant of a Catalytic Isomerization Process
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-54
- author: Varga, Z.; Hancsók, J.; Nagy, G.
- title: Investigation of the Deep Hydrodesulphurization of Gas Oil Fractions
- date: 2003-09-01
- words: 4650
- flesch: 47
- summary: On the basis of experimental results the advantageous process parameters were determined for producing diesel fuel blending components of sulphur content lower than 50 ppm and lower than 10 ppm. On the basis of experimental results the advantageous process parameters were determined for producing diesel fuel blending components of sulphur content lower than 50 ppm and lower than 10 ppm.
- keywords: activity; applied; aromatic; bar; case; catalyst; compounds; content; diesel; effect; experiments; feed; fuels; gas; h-1; hda; hds; higher; hydrodesulphurization; hydrogen; lhsv; lower; oils; parameters; ppm; ppm sulphur; pressure; process; products; reduction; results; sulphur; sulphur content; table; temperature; ° c
- versions: original; plain text
- hjic-540
- author: Árva, P.; Szeifert, F.
- title: Mathematical Modelling of Absorption Columns II. Parameter Sensitivity and Methods for its Calculation
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-541
- author: Farkas, J.; Molnár, F.
- title: A Digital Calorimeter and its Applications in Chemical Industry
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-542
- author: Palágyi, J.; Décsy, Z.; Pályi, Gy.; Markó, L.
- title: Hydroformylation of Safrole: The Mechanism of Ring Closure and Formation of Tetralin Derivate
- date: 1973-04-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-544
- author: Árva, P.; Szeifert, F.
- title: Mathematical Modelling of Absorption Columns III. The Practical Use of the Parameter Sensitivity Concept
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-546
- author: Bencze, L.; Rédey, Á.; Markó, L.
- title: Studies on Homogeneous Olefin Disproportionation Catalysts
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-547
- author: Ormós, Z.; Pataki, K.; Csukás, B.
- title: Studies on Granulation in a Fluidized Bed III. Calculation of the Feed Rate of Granulating Liquid
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-548
- author: Ormós, Z.; Pataki, K.; Csukás, B.
- title: Studies on Granulation in a Fluidized Bed IV. Effects of the Characteristic of the Fluidized Bed the Atomization and the Air Distributor Upon the Physical Properties of the Granulates
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-549
- author: Ormós, Z.; Blickle, T.
- title: Studies on the Hydrodynamics of Fluidized Layers III. Calculation of Layer Expansion in Systems Fluidized With a Liquid
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-55
- author: Miskolczi, N.; Bartha, L.; Deák, Gy.; Jóver, B.
- title: Conversion of Waste HDPE and LDPE into Feed Stocks in Tube Reactor
- date: 2003-09-01
- words: 4558
- flesch: 64
- summary: 8/a The carbon number distribution in liquids obtained by the cracking of HDPE waste (WSL) 0,0 3,0 6,0 9,0 12,0 15,0 6 9 12 15 18 21 24 27 Carbon number C om po si tio n, % 500°C 525°C 550°C Fig. 9/a The carbon number distribution in liquids obtained by the cracking of HDPE waste (DL) 0,0 10,0 20,0 30,0 40,0 5 6 7 8 9 10 11 12 13 Carbon number C om po si tio n, % 500°C 525°C 550°C Fig. 8/b The carbon number distribution in liquids obtained by the cracking of LDPE waste (WSL) 0,0 3,0 6,0 9,0 12,0 15,0 6 9 12 15 18 21 24 27 Carbon number C om po si tio n, % 500°C 525°C 550°C Fig. 9/b The carbon number distribution in liquids obtained by the cracking of LDPE waste (DL) Conclusions The degradation of different waste polyethylenes (HDPE and LDPE) in a horizontal tube reactor at 500-500 °C was studied.
- keywords: analysis; bonds; carbon; case; ch2; composition; content; cracking; degradation; density; diesel; distillation; distribution; fig; fractions; fuel; gas; gases; hdpe; higher; hydrocarbons; ldpe; like; liquid; lower; materials; number; olefin; polyethylenes; polymers; products; properties; raw; reactions; reactor; residue; stab; structure; table; temperature; thermal; tube; volatile; waste; wsl; yields
- versions: original; plain text
- hjic-550
- author: Ujhidy, A.; Szépvölgyi, J.; Szabó, Z.
- title: Verfahren zur Herstellung von Fettsäuerzuckerestern
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-551
- author: Blickle, T.; Bencze, T.
- title: Algebraic Description of Technical Chemical Systems III. Transformations of Material Systems
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-552
- author: László, A.; Dencs, J.
- title: Thermal Stability of Chemical Reactors
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-553
- author: Faludi, G.; Házi, E.; Csapó, Z.
- title: Determination of the Ash and Moisture Content of Mineral Coals by Neutron Slow-Down
- date: 1973-05-02
- words: 1168
- flesch: -1063
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 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- keywords: page
- versions: original; plain text
- hjic-56
- author: Rouzineau, D.; Meyer, M.; Prevost, M.; Reneaume, J. M.; Druart, F.
- title: Non-equilibrium Model and Experimental Validation for Reactive Distillation
- date: 2003-09-01
- words: 5978
- flesch: 56
- summary: i for equilibrium reactions control j γi Activity coefficient component i αij Order of component i in equilibrium reaction j δij Kroneker symbol νij Stœchiometric coefficients of component i for control reactions j ξj Enhancement of equilibrium reaction j (mol/m2/hr) Discretisation is used to write the bulk phase equations with the set of model equation, Newton’s method and homotopy continuation are used.
- keywords: = =; account; acetate; acetic; acid; balance; calculated; chemical; column; complete; component; different; diffusional; distillation; energy; engineering; equations; equilibrium; equilibrium model; error; experimental; feed; figure; film; flow; flux; fraction; gorak; heat; interface; krishna; layer; liquid; mass; methanol; method; methyl; mixture; model; mol; molar; non; nre; number; numerical; order; output; partial; phase; pilot; rate; reaction; reactive; resolution; results; simulation; stage; system; table; taylor; temperature; transfer; values; vapour; water; ∂ ;
- versions: original; plain text
- hjic-57
- author: Sisak, Cs.; Kovács, Á.; Szajáni, B.; Boross, L.; Orosz, L.
- title: Solid-Phase Tryptophan Synthase Biocatalysts and Their Application in Integrated Bioconversion System
- date: 2003-09-01
- words: 2380
- flesch: 50
- summary: An integrated system constructed as a combination of the alternately working bioconversion and product adsorption steps has been proved to be applicable for tryptophan production and showed about 30 % higher productivity than the simple biotransformation system. Cell adsorption onto Celite-560 beads has resulted in sufficient productivity and recycling properties.
- keywords: adsorption; aqueous; beads; biocatalyst; bioconversion; biomass; biotransformation; case; celite-560; cells; cm3; dm3; fermentation; hour; hydroxy; immobilized; indole; medium; mixture; phase; product; production; productivity; reaction; results; solid; stability; step; system; trp; tryptophan; veszprém
- versions: original; plain text
- hjic-632
- author: ,
- title: Editorial Preface
- date: 2015-06-01
- words: 575
- flesch: 45
- summary: Although water is available in vast quantities on Earth, the amount of fresh water is only approximately 3% of the total. About 68% of fresh water is captured in polar ice caps and glaciers, and 30% is present in the soil as ground water.
- keywords: actions; conference; environmental; fresh; issue; june; monitoring; social; technology; thematic; veszprém; waste; wastewater; water
- versions: original; plain text
- hjic-633
- author: Gulyás, Gábor; Pitás, Viktória; Fazekas, Bence; Kárpáti, Árpád
- title: Heavy Metal Balance in a Communal Wastewater Treatment Plant
- date: 2015-06-01
- words: 3283
- flesch: 62
- summary: The mechanism of heavy metal removal in the activated sludge process is not completely understood yet The sludge reprocessing and reuse pose no problems in the plant with respect to heavy metal content.
- keywords: average; balance; concentrations; content; daily; digestion; effluent; heavy; heavy metal; hungarian; load; mass; measured; metal; metal content; metal removal; plant; primary; process; reject; removal; removed; samples; secondary; sewage; sludge; streams; table; total; treatment; wastewater
- versions: original; plain text
- hjic-634
- author: Heltai, György; Fekete, Ilona; Halász, Gábor; Kovács, Katalin; Horváth, Márk; Takács, Anita; Boros, Norbert; Győri, Zoltán
- title: Multi-Elemental Inductively Coupled Plasma-Optical Emission Spectroscopic Calibration Problems of the Sequential Extraction Procedure for the Fractionation of the Heavy Metal Content from Aquatic Sediments
- date: 2015-06-01
- words: 4661
- flesch: 55
- summary: For the characterisation of the environmental mobility of heavy metal contamination in aquatic sediments, the EU Bureau of Reference has proposed a fractionation by sequential extraction procedure. 237- 275 [5] Tessier, A.; Campbell, P.G.C.; Bisson, M.: Sequential extraction procedure for the speciation of particulate trace metals, Anal.
- keywords: analysis; analytical; aquatic; bcr; bec; calibration; certified; chemical; chemistry; cl(3σ; content; crm; detection; different; dm-3; elemental; elements; environmental; extraction; extraction procedure; fractionation; heavy; icp; lines; matrix; metal; mobility; multi; oes; problems; procedure; reference; residual; rsd; sample; scheme; sediments; sequential; sequential extraction; soils; speciation; step; table; trace; university; validation; values
- versions: original; plain text
- hjic-636
- author: Győri, Zoltán; Boros, Norbert; Sipos, Péter; Bertáné Szabó, Emese; Kovács, Katalin; Horváth, Márk; Takács, Anita; Heltai, György
- title: Heavy Metal Balance in a Communal Wastewater Treatment Plant
- date: 2015-06-01
- words: 2805
- flesch: 62
- summary: Heavy metal content of flood sediments and plants near the River Tisza, AGD Landscape Environ., 2008 2, 120–131 ISSN 1789- 7556 Keywords: River Tisza, floodplain soils, heavy metal pollution, Lakanen-Erviö extraction, nitric acid/peroxide extraction 1.
- keywords: aqua; baia; concentration; contamination; contents; dark; deep; different; effects; extraction; figure; floodplain; fractions; heavy; hno3; hungarian; hungary; information; lakanen; layers; light; mass; metals; pollution; rakamaz; regia; river; samples; sampling; second; sites; soil; soluble; tisza; tiszacsege; tivadar; total; upper; vásárosnamény
- versions: original; plain text
- hjic-637
- author: Alapi, Tünde; Simon, Gergő; Veréb, Gábor; Kovács, Krisztina; Arany, Eszter; Schrantz, Krisztina; Dombi, András; Hernádi, Klára
- title: Toxicology Aspects of the Decomposition of Diuron by Advanced Oxidation Processes
- date: 2015-06-01
- words: 5163
- flesch: 41
- summary: The initial rates of transformation of diuron are in the order of ozonation < heterogeneous photocatalysis < UV photolysis < combination of UV photolysis and ozonation. Ozonation, UV photolysis or the combination of these methods could be applied by the careful selection of the light source and apparatus envelope.
- keywords: advanced; aox; applied; aromatic; case; chemistry; combination; compound; concentration; decomposition; degradation; determined; direct; diuron; dm-3; ecotoxicological; effect; effective; envelope; figure; heterogeneous; heterogeneous photocatalysis; hungary; hydroxyl; inhibitory; initial; intermediates; lamp; light; low; lower; maximum; measurements; method; mineralisation; mol; molecular; mortality; organic; oxidation; oxygen; ozonation; ozone; photocatalysis; photolysis; processes; products; radicals; rate; results; s-1; samples; solution; specific; szeged; time; toxicity; transformation; uv photolysis; vuv; water; work
- versions: original; plain text
- hjic-638
- author: Földényi, Rita; Marton, Aurél
- title: Organisation of the Analytical, Stoichiometric, and Thermodynamic Information for Water Chemistry Calculations
- date: 2015-06-01
- words: 4267
- flesch: 61
- summary: For the calculation of the unknown concentration of S species, we need the S stoichiometrically independent equation. A common feature of the chemical processes of the hydrosphere and water treatment plants is that essentially the same types of chemical equilibrium reactions occur in both fields.
- keywords: adsorption; analytical; asti; balance; caco3(s; calculated; calculation; chemical; chemistry; closed; components; concentration; equations; equilibrium; fe(oh)2; fe2; fe3; function; h2co3; h2o; information; mass; mathcad; matrix; nlse; number; oh-; open; organisation; pb2; pco2; reactions; reagents; redox; relationships; solubility; solution; species; stoichiometric; surface; system; table; thermodynamic; usa; values; water; ≡xoh
- versions: original; plain text
- hjic-640
- author: Gulyás, Gábor; Fazekas, Bence; Varga, Regina; Kárpáti, Árpád
- title: Biological Purification of Chemically Pre-Treated Dairy Wastewater Before Discharge into a Municipal Sewage Systems
- date: 2015-06-01
- words: 1932
- flesch: 53
- summary: Keywords: activated sludge, biofilm, dairy wastewater, chemical oxygen demand, nutrient-poor wastewater 1. Milk processing effluents (dairy wastewaters - DWW) contain high concentrations of dissolved and suspended solids.
- keywords: biofilm; biological; chemical; cod; concentration; dairy; demand; dissolved; dm-3; high; material; mbbr; milk; mlss; municipal; nutrients; organic; oxygen; pre; processing; production; purification; reactor; removal; sbr; sludge; system; treatment; wastewater
- versions: original; plain text
- hjic-641
- author: Bánhidi, Olivér
- title: Study of the Interference Effects of Aluminium on The Atom- and Ion-Lines of Alkaline Earth Metals in Aqueous Solutions Using an ICP Spectrometer with Axially Viewed Plasma
- date: 2015-06-01
- words: 2507
- flesch: 59
- summary: Higher aluminium concentrations cause only a moderate reduction in the signal. 3. Results In the experiments, we studied the intensity changes of several atom- and ion-lines of the alkaline earth metals as a function of aluminium concentration, analyte concentration and that of the device used for sample- introduction.
- keywords: affected; alkaline; aluminium; analyte; case; concentration; concentric; concentric nebuliser; different; dm-3; earth; effects; figure; function; groove; icp; interference; intesities; lines; mg dm-3; nebuliser; plasma; relative; sample; type
- versions: original; plain text
- hjic-644
- author: Barakat, Y.; Gendy, T.S.; Ibrahim, V.; Mead, A.I.
- title: Krafft-Clear Point Diagrams For Some Sodium 1,4 di-n-Alkylbenzene Sulphonates
- date: 1997-09-01
- words: 3683
- flesch: 63
- summary: A regular decrease in Krafft point is seen in presence of 2 wt.% NaCl. At the same salinity, the effect of alcohol molecular weight, on Krafft point, is illustrated in Fig.3.
- keywords: 1,4; addition; adsorption; alcohol; alkylbenzene; aqueous; chem; clear; clear point; diagrams; effect; electrolyte; iaa; iba; ipa; krafft; krafft point; molecular; nacl; oil; point; presence; recovery; sodium; solid; solution; sulphonates; surfactant; systems; table; temperature; texas; turbid; weight; wt.%
- versions: original; plain text
- hjic-669
- author: Henderson, Douglas
- title: Some Analytic Expressions for the Capacitance and Profiles of the Electric Double Layer Formed by Ions Near an Electrode
- date: 2015-08-20
- words: 8901
- flesch: 70
- summary: The solid and broken curves give the results of the hybrid approach and GCS theory, respectively. Because the MSA is a linearized theory, the MC, MSA, and GCS capacitances are for σ
- keywords: analytic; approximation; b2/4; blum; boda; boltzmann; capacitance; case; charge; chem; chemistry; comparison; concentrations; curves; d/2; density; differential; diffuse; double; edl; electric; electrode; electrode charge; electrolyte; equation; experimental; f(y; fig; figure; function; g0(x; gcs; gcs theory; gi(x; hard; henderson; high; inner; ionic; ions; lamperski; large; layer; liquids; low; mean; model; msa; parameter; phys; poisson; potential; profiles; reduced; results; simulation; small; solvent; spherical; study; surface; temperature; term; theory; value; � �
- versions: original; plain text
- hjic-671
- author: Hao, Le Cong; Thuy, Mai Dinh; Hieu, Do Trung; Sas, Zoltán
- title: Comparison of Decontamination Standards
- date: 2015-08-20
- words: 3522
- flesch: 45
- summary: Decontamination factors for MSZ-05 22.7662-83 using the adsorption method (Table 2). Decontamination factors for MSZ-05 22.7662-83 (Table 2) after drying.
- keywords: 137cs; 60co; adsorption; bad; case; chemical; cm3; coatings; comparison; conditions; contaminating; count; decontamination; different; doi; ease; efficiency; factors; fair; good; hungarian; hungarian standard; iso; iso standard; isotopes; materials; method; msz-05; nuclear; poor; results; russian; samples; solution; specimens; standard; surface; table; test; testing; water
- versions: original; plain text
- hjic-672
- author: Cuong, Le Phuoc; Giang, Pham Hoang; Hanh, Bui Dang; Bátor, Gergő
- title: A Study of the Adsorption Characteristics of Cobalt and Caesium from a Solution by Using Vietnamese Bentonite
- date: 2015-08-20
- words: 2791
- flesch: 56
- summary: In the presence of EDTA in radioactive waste solution, radioactive isotopes could not be adsorbed onto VNB due to forming stronger complexes with EDTA Therefore, in this study two pre-treatment systems were implemented to remove EDTA from the liquid waste. We are planntng to scale up the UV system to include the optimisation of pH values and the effect of ammonium converted from EDTA in order to apply these findings to radioactive solution waste on a large scale.
- keywords: 137cs; 60co; adsorption; bentonite; co(ii; complexes; concentration; coso4; cs+; degradation; dm-3; doi; edta; efficiency; equilibrium; experimental; figure; freundlich; h2o2; heating; initial; ions; isotherms; langmuir; liquid; nuclear; order; radiation; radioactive; radionuclides; samples; solution; study; system; time; treatment; vietnam; vnb; waste
- versions: original; plain text
- hjic-674
- author: Ryemshak, Solomon A.; Jauro, Aliyu; Chindo, Istifanus Y.; Ekanem, Eno O.
- title: Mineral Matter in Nigerian Coals and Tar Sand and their Implications in Binary Blend Formulation and Co-carbonisation
- date: 2015-08-20
- words: 3411
- flesch: 56
- summary: [24] Bo, L.; Qihui, H.; Zihao, J.; Renfu, X.; Baixing, H.: Relationship between coal ash composition and ash fusion temperatures, Fuel, 2013, 105, 293–300 DOI: 10.1016/j.fuel.2012.06.046 Coal samples from Afuze (AFZ) and Chikila (CHK) were found to contain quartz, hematite, and anhydride as the dominant minerals.
- keywords: acidic; afz; analysis; ash; basic; blast; blend; b’/a; chemistry; chk; coal; coal samples; coke; combustion; composition; content; doi; efficiency; figure; formation; fouling; furnace; fusion; gmg; hematite; high; int; iron; jauro; lmz; low; matter; metallurgical; mineral; mineral matter; nigerian; organic; ots; oxide; proc; production; quality; quartz; ratio; results; samples; sand; skj; slag; tar; temperatures; xrd; xrf
- versions: original; plain text
- hjic-677
- author: Smigielski, Krzysztof; Góra, Józef; Kula, Józef
- title: The Fuzzy Experimental Multiobjective Optimization of the Electrochemical Reduction Process of Maleic Acid to Succinic Acid
- date: 1992-09-01
- words: 648
- flesch: -535
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128 Page 129 Page 130 Page 131 Page 132 Page 133 Page 134 Page 135 Page 136 Page 137 Page 138 Page 139 Page 140 Page 141 Page 142 Page 143 Page 144 Page 145 Page 146 Page 147 Page 148 Page 149 Page 150 Page 151 Page 152 Page 153 Page 154 Page 155 Page 156 Page 157 Page 158 Page 159 Page 160 Page 161 Page 162 Page 163 Page 164 Page 165 Page 166 Page 167 Page 168 Page 169 Page 170 Page 171 Page 172 Page 173 Page 174 Page 175 Page 176 Page 177 Page 178 Page 179 Page 180 Page 181 Page 182 Page 183 Page 184 Page 185 Page 186 Page 187 Page 188 Page 189 Page 190 Page 191 Page 192 Page 193 Page 194 Page 195 Page 196 Page 197 Page 198 Page 199 Page 200 Page 201 Page 202 Page 203 Page 204 Page 205 Page 206 Page 207 Page 208 Page 209 Page 210 Page 211 Page 212 Page 213 Page 214 Page 215 Page 216 Page 217 Page 218 Page 219 Page 220 Page 221 Page 222 Page 223 Page 224 Page 225 Page 226 Page 227 Page 228 Page 229 Page 230 Page 231 Page 232 Page 233 Page 234 Page 235 Page 236 Page 237 Page 238 Page 239 Page 240 Page 241 Page 242 Page 243 Page 244 Page 245 Page 246 Page 247 Page 248 Page 249 Page 250 Page 251 Page 252 Page 253 Page 254 Page 255 Page 256 Page 257 Page 258 Page 259 Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 Page 267 Page 268 Page 269 Page 270 Page 271 Page 272 Page 273 Page 274 Page 275 Page 276 Page 277 Page 278 Page 279 Page 280 Page 281 Page 282 Page 283 Page 284 Page 285 Page 286 Page 287 Page 288 Page 289 Page 290 Page 291 Page 292 Page 293 Page 294 Page 295 Page 296 Page 297 Page 298 Page 299 Page 300 Page 301 Page 302 Page 303 Page 304 Page 305 Page 306 Page 307 Page 308 Page 309 Page 310 Page 311 Page 312 Page 313 Page 314 Page 315 Page 316 Page 317 Page 318 Page 319 Page 320 Page 321 Page 322 Page 323 Page 324
- keywords: page
- versions: original; plain text
- hjic-681
- author: Makranczy, J.; Mrs. Megyery-Balog, K.; Rusz, L.; Patyi, L.
- title: Solubility of Gases in Normal-alkanes
- date: 1976-08-01
- words: 650
- flesch: -537
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128 Page 129 Page 130 Page 131 Page 132 Page 133 Page 134 Page 135 Page 136 Page 137 Page 138 Page 139 Page 140 Page 141 Page 142 Page 143 Page 144 Page 145 Page 146 Page 147 Page 148 Page 149 Page 150 Page 151 Page 152 Page 153 Page 154 Page 155 Page 156 Page 157 Page 158 Page 159 Page 160 Page 161 Page 162 Page 163 Page 164 Page 165 Page 166 Page 167 Page 168 Page 169 Page 170 Page 171 Page 172 Page 173 Page 174 Page 175 Page 176 Page 177 Page 178 Page 179 Page 180 Page 181 Page 182 Page 183 Page 184 Page 185 Page 186 Page 187 Page 188 Page 189 Page 190 Page 191 Page 192 Page 193 Page 194 Page 195 Page 196 Page 197 Page 198 Page 199 Page 200 Page 201 Page 202 Page 203 Page 204 Page 205 Page 206 Page 207 Page 208 Page 209 Page 210 Page 211 Page 212 Page 213 Page 214 Page 215 Page 216 Page 217 Page 218 Page 219 Page 220 Page 221 Page 222 Page 223 Page 224 Page 225 Page 226 Page 227 Page 228 Page 229 Page 230 Page 231 Page 232 Page 233 Page 234 Page 235 Page 236 Page 237 Page 238 Page 239 Page 240 Page 241 Page 242 Page 243 Page 244 Page 245 Page 246 Page 247 Page 248 Page 249 Page 250 Page 251 Page 252 Page 253 Page 254 Page 255 Page 256 Page 257 Page 258 Page 259 Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 Page 267 Page 268 Page 269 Page 270 Page 271 Page 272 Page 273 Page 274 Page 275 Page 276 Page 277 Page 278 Page 279 Page 280 Page 281 Page 282 Page 283 Page 284 Page 285 Page 286 Page 287 Page 288 Page 289 Page 290 Page 291 Page 292 Page 293 Page 294 Page 295 Page 296 Page 297 Page 298 Page 299 Page 300 Page 301 Page 302 Page 303 Page 304 Page 305 Page 306 Page 307 Page 308 Page 309 Page 310 Page 311 Page 312 Page 313 Page 314 Page 315 Page 316 Page 317 Page 318 Page 319 Page 320 Page 321 Page 322 Page 323 Page 324 Page 325
- keywords: page
- versions: original; plain text
- hjic-682
- author: Mizsey, P.; Mészáros, I.; Fonyó, Z.
- title: Computer Evaluation of Distillation Processes with Parallel Streams
- date: 1992-10-12
- words: 668
- flesch: -555
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128 Page 129 Page 130 Page 131 Page 132 Page 133 Page 134 Page 135 Page 136 Page 137 Page 138 Page 139 Page 140 Page 141 Page 142 Page 143 Page 144 Page 145 Page 146 Page 147 Page 148 Page 149 Page 150 Page 151 Page 152 Page 153 Page 154 Page 155 Page 156 Page 157 Page 158 Page 159 Page 160 Page 161 Page 162 Page 163 Page 164 Page 165 Page 166 Page 167 Page 168 Page 169 Page 170 Page 171 Page 172 Page 173 Page 174 Page 175 Page 176 Page 177 Page 178 Page 179 Page 180 Page 181 Page 182 Page 183 Page 184 Page 185 Page 186 Page 187 Page 188 Page 189 Page 190 Page 191 Page 192 Page 193 Page 194 Page 195 Page 196 Page 197 Page 198 Page 199 Page 200 Page 201 Page 202 Page 203 Page 204 Page 205 Page 206 Page 207 Page 208 Page 209 Page 210 Page 211 Page 212 Page 213 Page 214 Page 215 Page 216 Page 217 Page 218 Page 219 Page 220 Page 221 Page 222 Page 223 Page 224 Page 225 Page 226 Page 227 Page 228 Page 229 Page 230 Page 231 Page 232 Page 233 Page 234 Page 235 Page 236 Page 237 Page 238 Page 239 Page 240 Page 241 Page 242 Page 243 Page 244 Page 245 Page 246 Page 247 Page 248 Page 249 Page 250 Page 251 Page 252 Page 253 Page 254 Page 255 Page 256 Page 257 Page 258 Page 259 Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 Page 267 Page 268 Page 269 Page 270 Page 271 Page 272 Page 273 Page 274 Page 275 Page 276 Page 277 Page 278 Page 279 Page 280 Page 281 Page 282 Page 283 Page 284 Page 285 Page 286 Page 287 Page 288 Page 289 Page 290 Page 291 Page 292 Page 293 Page 294 Page 295 Page 296 Page 297 Page 298 Page 299 Page 300 Page 301 Page 302 Page 303 Page 304 Page 305 Page 306 Page 307 Page 308 Page 309 Page 310 Page 311 Page 312 Page 313 Page 314 Page 315 Page 316 Page 317 Page 318 Page 319 Page 320 Page 321 Page 322 Page 323 Page 324 Page 325 Page 326 Page 327 Page 328 Page 329 Page 330 Page 331 Page 332 Page 333 Page 334
- keywords: page
- versions: original; plain text
- hjic-684
- author: Tóth, András József; Szanyi, Ágnes; Haaz, Enikő; Mizsey, Péter
- title: Separation of Process Wastewater with Extractive Heterogeneous-Azeotropic Distillation
- date: 2016-08-20
- words: 2371
- flesch: 45
- summary: [10] Franke, M.; Gorak, A.; Strube, J.: Design and optimisation of hybrid separation processes, Chem. 4. Conclusion EHAD separation technique improves in the separation of heterogeneous azeotropic mixtures.
- keywords: acetate; application; azeotropic; chem; chemical; column; concentration; data; distillation; doi; ehad; eng; equilibria; experiments; extractive; extreme; fine; heterogeneous; hybrid; ideal; industry; liquid; method; mixtures; mizsey; modelling; new; non; phase; process; processes; purity; results; separation; solvent; szanyi; technique; treatment; vapour; wastewater
- versions: original; plain text
- hjic-685
- author: Talibov, Misirkhan; Safarov, Javid
- title: Vapour Pressure of Ethanol and 1-propanol Binary Mixtures
- date: 2016-08-20
- words: 3828
- flesch: 63
- summary: Experimental mole fraction x of 1-propanol, and vapour pressure P (in Pa) of a solution of (1-x)C2H5OH + x Plot of vapour pressure P (in kPa) of a (1-x) C2H5OH + x C3H7OH solution mixture as a function of 1-propanol mole fraction x. ¿, 274.15 K; ¢, 278.15 K; ▲, 283.15 K; �, 293.15 K; ▼, 303.15 K; Ò, 313.15 K; Ì, 323.15 K; ¯, 333.15 K; £, 343.15 K; r, 353.15 K; �, 363.15 K; s, 373.15 K; °, 383.15 K; ⊕, 393.15 K; «, 403.15 K; ¶, 413.15 K, ◐, 423.15 K; x, 433.15 K; ◑, 443.15 K; lines fit to Eqs.(3) and (4).
- keywords: a.n; azerbaijan; binary; c2h5oh; c3h7oh; cell; data; deviation; doi; eqs.(3; equation; ethanol; experimental; fraction; glass; heat; high; j.t; liquid; literature; m.a; maximum; measured; measurements; method; mixtures; mole; mpa; pressure; propanol; range; ref; results; safarov; sci; shahverdiyev; solutions; static; table; talibov; temperature; uncertainty; values; vapour; vapour pressure
- versions: original; plain text
- hjic-687
- author: Bobek, Janka; Rippel-Pethő, Dóra; Molnár, Éva; Bocsi, Róbert
- title: Selective Hydrogen Sulphide Removal from Acid Gas by Alkali Chemisorption in a Jet Reactor
- date: 2016-08-20
- words: 2233
- flesch: 58
- summary: Effect of H2S Concentration The influence of H2S concentration on the efficiency of H2S removal was investigated under a nearly constant CO2 level (76 and 72% (m 3/m3)) and greatly differing H2S (85 and 520 ppmv) containing model gases. Effect of different H2S concentrations on the efficiency of H2S removal (gas mixtures 5-6, 30 bar, 0.09 s residence time, 1.5% (g/g) NaOH).
- keywords: alkali; bar; co2; concentration; constant; content; different; effect; efficiency; flow; gas; gases; h2s; h2s removal; hydrogen; model; naoh; natural; pressure; process; rate; reactor; removal; residence; selective; specificity; time
- versions: original; plain text
- hjic-693
- author: Gór-Nagy, S.; Káldi, P.; Mrs. Bésán, J.; Szántó, A.
- title: The Solubility of Micronutrients in Ammonium Polyphosphate Solutions
- date: 1978-09-01
- words: 828
- flesch: -718
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128 Page 129 Page 130 Page 131 Page 132 Page 133 Page 134 Page 135 Page 136 Page 137 Page 138 Page 139 Page 140 Page 141 Page 142 Page 143 Page 144 Page 145 Page 146 Page 147 Page 148 Page 149 Page 150 Page 151 Page 152 Page 153 Page 154 Page 155 Page 156 Page 157 Page 158 Page 159 Page 160 Page 161 Page 162 Page 163 Page 164 Page 165 Page 166 Page 167 Page 168 Page 169 Page 170 Page 171 Page 172 Page 173 Page 174 Page 175 Page 176 Page 177 Page 178 Page 179 Page 180 Page 181 Page 182 Page 183 Page 184 Page 185 Page 186 Page 187 Page 188 Page 189 Page 190 Page 191 Page 192 Page 193 Page 194 Page 195 Page 196 Page 197 Page 198 Page 199 Page 200 Page 201 Page 202 Page 203 Page 204 Page 205 Page 206 Page 207 Page 208 Page 209 Page 210 Page 211 Page 212 Page 213 Page 214 Page 215 Page 216 Page 217 Page 218 Page 219 Page 220 Page 221 Page 222 Page 223 Page 224 Page 225 Page 226 Page 227 Page 228 Page 229 Page 230 Page 231 Page 232 Page 233 Page 234 Page 235 Page 236 Page 237 Page 238 Page 239 Page 240 Page 241 Page 242 Page 243 Page 244 Page 245 Page 246 Page 247 Page 248 Page 249 Page 250 Page 251 Page 252 Page 253 Page 254 Page 255 Page 256 Page 257 Page 258 Page 259 Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 Page 267 Page 268 Page 269 Page 270 Page 271 Page 272 Page 273 Page 274 Page 275 Page 276 Page 277 Page 278 Page 279 Page 280 Page 281 Page 282 Page 283 Page 284 Page 285 Page 286 Page 287 Page 288 Page 289 Page 290 Page 291 Page 292 Page 293 Page 294 Page 295 Page 296 Page 297 Page 298 Page 299 Page 300 Page 301 Page 302 Page 303 Page 304 Page 305 Page 306 Page 307 Page 308 Page 309 Page 310 Page 311 Page 312 Page 313 Page 314 Page 315 Page 316 Page 317 Page 318 Page 319 Page 320 Page 321 Page 322 Page 323 Page 324 Page 325 Page 326 Page 327 Page 328 Page 329 Page 330 Page 331 Page 332 Page 333 Page 334 Page 335 Page 336 Page 337 Page 338 Page 339 Page 340 Page 341 Page 342 Page 343 Page 344 Page 345 Page 346 Page 347 Page 348 Page 349 Page 350 Page 351 Page 352 Page 353 Page 354 Page 355 Page 356 Page 357 Page 358 Page 359 Page 360 Page 361 Page 362 Page 363 Page 364 Page 365 Page 366 Page 367 Page 368 Page 369 Page 370 Page 371 Page 372 Page 373 Page 374 Page 375 Page 376 Page 377 Page 378 Page 379 Page 380 Page 381 Page 382 Page 383 Page 384 Page 385 Page 386 Page 387 Page 388 Page 389 Page 390 Page 391 Page 392 Page 393 Page 394 Page 395 Page 396 Page 397 Page 398 Page 399 Page 400 Page 401 Page 402 Page 403 Page 404 Page 405 Page 406 Page 407 Page 408 Page 409 Page 410 Page 411 Page 412 Page 413 Page 414
- keywords: page
- versions: original; plain text
- hjic-694
- author: Daescu, C.
- title: Acetylsalicylic Acid Crystallization: Hydrodynamics of the Fluidized Bed
- date: 1999-09-09
- words: 692
- flesch: -580
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128 Page 129 Page 130 Page 131 Page 132 Page 133 Page 134 Page 135 Page 136 Page 137 Page 138 Page 139 Page 140 Page 141 Page 142 Page 143 Page 144 Page 145 Page 146 Page 147 Page 148 Page 149 Page 150 Page 151 Page 152 Page 153 Page 154 Page 155 Page 156 Page 157 Page 158 Page 159 Page 160 Page 161 Page 162 Page 163 Page 164 Page 165 Page 166 Page 167 Page 168 Page 169 Page 170 Page 171 Page 172 Page 173 Page 174 Page 175 Page 176 Page 177 Page 178 Page 179 Page 180 Page 181 Page 182 Page 183 Page 184 Page 185 Page 186 Page 187 Page 188 Page 189 Page 190 Page 191 Page 192 Page 193 Page 194 Page 195 Page 196 Page 197 Page 198 Page 199 Page 200 Page 201 Page 202 Page 203 Page 204 Page 205 Page 206 Page 207 Page 208 Page 209 Page 210 Page 211 Page 212 Page 213 Page 214 Page 215 Page 216 Page 217 Page 218 Page 219 Page 220 Page 221 Page 222 Page 223 Page 224 Page 225 Page 226 Page 227 Page 228 Page 229 Page 230 Page 231 Page 232 Page 233 Page 234 Page 235 Page 236 Page 237 Page 238 Page 239 Page 240 Page 241 Page 242 Page 243 Page 244 Page 245 Page 246 Page 247 Page 248 Page 249 Page 250 Page 251 Page 252 Page 253 Page 254 Page 255 Page 256 Page 257 Page 258 Page 259 Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 Page 267 Page 268 Page 269 Page 270 Page 271 Page 272 Page 273 Page 274 Page 275 Page 276 Page 277 Page 278 Page 279 Page 280 Page 281 Page 282 Page 283 Page 284 Page 285 Page 286 Page 287 Page 288 Page 289 Page 290 Page 291 Page 292 Page 293 Page 294 Page 295 Page 296 Page 297 Page 298 Page 299 Page 300 Page 301 Page 302 Page 303 Page 304 Page 305 Page 306 Page 307 Page 308 Page 309 Page 310 Page 311 Page 312 Page 313 Page 314 Page 315 Page 316 Page 317 Page 318 Page 319 Page 320 Page 321 Page 322 Page 323 Page 324 Page 325 Page 326 Page 327 Page 328 Page 329 Page 330 Page 331 Page 332 Page 333 Page 334 Page 335 Page 336 Page 337 Page 338 Page 339 Page 340 Page 341 Page 342 Page 343 Page 344 Page 345 Page 346
- keywords: page
- versions: original; plain text
- hjic-699
- author: Tar, Szabolcs; Fodor, Attila
- title: Cloud-Based Application for Smart Grid Simulation
- date: 2016-11-20
- words: 1958
- flesch: 47
- summary: This project offers solutions to these challenges: modelling of distribution networks, forecasts of renewable energy sources distributed generation (RES-DG), micro-grid management and responses to demand in new, complex solutions. As solar and wind renewable energy sources are somewhat uncontrollable, the integration of renewable sources is a big challenge for transmission operators.
- keywords: available; complex; consumers; consumption; data; devices; electrical; electricity; energy; figure; generation; grid; hardware; hungarian; hungary; information; integration; intervention; network; operators; power; producers; production; renewable; res; security; service; smart; solutions; sources; use
- versions: original; plain text
- hjic-701
- author: Pál, Miklós; Láner, Gábor
- title: Mobile Data Synchronization Methods
- date: 2016-11-20
- words: 4219
- flesch: 59
- summary: Finally, the third solution is a distributed NoSQL implementation of mobile data synchronization. Number of rows SOAP XML size (KB) REST JSON size (KB) 1 0.727 0.272 10 6.200 3.700 100 55.400 32.900 1,000 554.400 331.600 10,000 5,734.000 3,481.600 50,000 29,286.000 17,920.000 PÁL AND LÁNER Hungarian Journal of Industry and Chemistry 98 The last measured value is the size of mobile database after data synchronization.
- keywords: android; application; architecture; character; client; communication; couchbase; counts; data; data synchronization; database; development; device; different; easy; environments; figure; format; gateway; http; implementation; json; main; methods; mobile; mobile application; mobile database; module; network; nosql; number; packages; performance; point; record; rest; restful; results; rows; server; service; size; soap; solution; sqlite; synchronization; table; test; time; transfer; type; version; web; xml
- versions: original; plain text
- hjic-705
- author: Pózna, Anna I.; Gerzson, Miklós; Leitold, Adrien; Hangos, Katalin M.
- title: Diagnosis of Technological Systems Based on the Structural Decomposition of their Coloured Petri Net Model
- date: 2016-11-20
- words: 5855
- flesch: 62
- summary: 4. Conclusion A novel method for online fault diagnosis in a technological system is described in this paper. Petri nets and their different extensions (such as coloured, timed or hierarchical nets) are powerful tools for modelling discrete event systems
- keywords: case; characteristic; cl cl; coloured; cpn; decomposition; detection; deviations; diagnoser; diagnosis; different; discrete; doi; event; fault; generated; graph; input; level; list; method; model; nets; nodes; nominal; normal; occurrence; occurrence graph; op cl; op op; output; petri; places; process; qualitative; second; state; step; structural; system; tank; technological; technological system; terminal; time; token; trace; transitions; unit; values; variables
- versions: original; plain text
- hjic-706
- author: Zaini, Muhammad Abbas Ahmad; Shaid, Mohd Shafiq Mohd
- title: Metal Chloride-Activated Empty Fruit-Bunch Carbons for Rhodamine B Removal
- date: 2016-11-20
- words: 3437
- flesch: 57
- summary: 129–133 (2016) hjic.mk.uni-pannon.hu DOI: 10.1515/hjic-2016-0016 METAL-CHLORIDE-ACTIVATED EMPTY FRUIT-BUNCH CARBONS FOR RHODAMINE B REMOVAL MUHAMMAD ABBAS AHMAD ZAINI1,2* AND MOHD SHAFIQ MOHD SHAID1 1 Faculty of Chemical & Energy Engineering, Universiti Teknologi Malaysia, Johor Bahru, Johor, 81310, MALAYSIA 2 Centre of Lipids Engineering & Applied Research, Ibnu Sina Institute for Scientific & Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, Johor, 81310, MALAYSIA This study aimed to investigate the adsorptive ability of activated carbons derived from empty boil palm fruit- bunch carbons through metal-chloride activation. Rhodamine B dye was used as a pollutant probe to evaluate the performance of activated carbons.
- keywords: activated; activation; activators; adsorbent; adsorption; area; bunch; capacity; carbon; chemical; chloride; doi; dye; efb; fecl2; fruit; functional; g-1; groups; malaysia; material; metal; model; oil; palm; preparation; recovered; removal; rhodamine; solution; specific; surface; surface area; table; temperature; water; yield; zaini; zncl2
- versions: original; plain text
- hjic-707
- author: Halmagyi, Timea; Mosonyi, Emilia; Fazekas, József; Spataru, Maria; Goga, Firuta
- title: Characterisation of Cements from Dominantly Volcanic Raw Materials of the Carpathian Bend Zone
- date: 2016-11-20
- words: 3483
- flesch: 53
- summary: Physical properties of cement samples C1-C5. Physico–mechanical properties of cement samples C1-C5.
- keywords: area; basaltic; belite; blaine; c4a3s; calcium; cement; clinkers; compositions; compressive; concrete; consistency; diatomite; doi; energy; experimental; gypsum; hydration; industrial; limestone; materials; mechanical; mineral; mixtures; mud; portland; production; properties; racosul; raw; red; res; sab; sample; scoria; setting; specific; strength; sulphoaluminate; surface; sus; table; time; tuff; type; volcanic
- versions: original; plain text
- hjic-709
- author: Bodor, Beáta; Lakatos, Béla G.; Blickle, Tibor
- title: Characterization of Crystal Populations of Vitamin C by Hyperbolic Tangent Distribution Functions
- date: 1993-09-01
- words: 668
- flesch: -555
- summary: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 Page 45 Page 46 Page 47 Page 48 Page 49 Page 50 Page 51 Page 52 Page 53 Page 54 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60 Page 61 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67 Page 68 Page 69 Page 70 Page 71 Page 72 Page 73 Page 74 Page 75 Page 76 Page 77 Page 78 Page 79 Page 80 Page 81 Page 82 Page 83 Page 84 Page 85 Page 86 Page 87 Page 88 Page 89 Page 90 Page 91 Page 92 Page 93 Page 94 Page 95 Page 96 Page 97 Page 98 Page 99 Page 100 Page 101 Page 102 Page 103 Page 104 Page 105 Page 106 Page 107 Page 108 Page 109 Page 110 Page 111 Page 112 Page 113 Page 114 Page 115 Page 116 Page 117 Page 118 Page 119 Page 120 Page 121 Page 122 Page 123 Page 124 Page 125 Page 126 Page 127 Page 128 Page 129 Page 130 Page 131 Page 132 Page 133 Page 134 Page 135 Page 136 Page 137 Page 138 Page 139 Page 140 Page 141 Page 142 Page 143 Page 144 Page 145 Page 146 Page 147 Page 148 Page 149 Page 150 Page 151 Page 152 Page 153 Page 154 Page 155 Page 156 Page 157 Page 158 Page 159 Page 160 Page 161 Page 162 Page 163 Page 164 Page 165 Page 166 Page 167 Page 168 Page 169 Page 170 Page 171 Page 172 Page 173 Page 174 Page 175 Page 176 Page 177 Page 178 Page 179 Page 180 Page 181 Page 182 Page 183 Page 184 Page 185 Page 186 Page 187 Page 188 Page 189 Page 190 Page 191 Page 192 Page 193 Page 194 Page 195 Page 196 Page 197 Page 198 Page 199 Page 200 Page 201 Page 202 Page 203 Page 204 Page 205 Page 206 Page 207 Page 208 Page 209 Page 210 Page 211 Page 212 Page 213 Page 214 Page 215 Page 216 Page 217 Page 218 Page 219 Page 220 Page 221 Page 222 Page 223 Page 224 Page 225 Page 226 Page 227 Page 228 Page 229 Page 230 Page 231 Page 232 Page 233 Page 234 Page 235 Page 236 Page 237 Page 238 Page 239 Page 240 Page 241 Page 242 Page 243 Page 244 Page 245 Page 246 Page 247 Page 248 Page 249 Page 250 Page 251 Page 252 Page 253 Page 254 Page 255 Page 256 Page 257 Page 258 Page 259 Page 260 Page 261 Page 262 Page 263 Page 264 Page 265 Page 266 Page 267 Page 268 Page 269 Page 270 Page 271 Page 272 Page 273 Page 274 Page 275 Page 276 Page 277 Page 278 Page 279 Page 280 Page 281 Page 282 Page 283 Page 284 Page 285 Page 286 Page 287 Page 288 Page 289 Page 290 Page 291 Page 292 Page 293 Page 294 Page 295 Page 296 Page 297 Page 298 Page 299 Page 300 Page 301 Page 302 Page 303 Page 304 Page 305 Page 306 Page 307 Page 308 Page 309 Page 310 Page 311 Page 312 Page 313 Page 314 Page 315 Page 316 Page 317 Page 318 Page 319 Page 320 Page 321 Page 322 Page 323 Page 324 Page 325 Page 326 Page 327 Page 328 Page 329 Page 330 Page 331 Page 332 Page 333 Page 334
- keywords: page
- versions: original; plain text
- hjic-745
- author: ,
- title: Editorial Preface
- date: 2017-11-01
- words: 665
- flesch: 63
- summary: László Rácz was the Head of the Chemistry Department in Eger when Professor Liszi joined to teach Physical Chemistry there. He was the head of the Department of Physical Chemistry for many years.
- keywords: chemistry; department; eger; liszi; physical; professor; students; university; veszprém; wine
- versions: original; plain text
- hjic-746
- author: Baranyai, András
- title: Dynamical Temperature from the Phase Space Trajectory
- date: 2017-11-20
- words: 1456
- flesch: 59
- summary: This work shows that for ergodic dynamical systems the dynamical temperature can be derived using phase space trajectories. Rev. Lett., 1997 78(5), 772-774 DOI:10.1103/PhysRevLett.78.772 [2] Butler, B.D.;Ayton, G.A.;Jepps, O.G.;Evans, D.J.: Configurational temperature: Verification of Monte Carlo simulations, J. Chem.
- keywords: configurational; energy; hamiltonian; phase; space; system; temperature; time; trajectories; trajectory; ; ; ; ; ;
- versions: original; plain text
- hjic-747
- author: Nemestóthy, Nándor
- title: Separation of Gases by Membranes: The Effects of Pollutants on the Stability of Membranes
- date: 2017-11-20
- words: 2011
- flesch: 53
- summary: Similar levels of membrane degradation are observed in proton-exchange membrane (PEM) fuel cells and batteries containing membranes, where oxi- dising compounds are in contact with the membranes, as well [4-5]. The damaging effects of H2S, BTX and n-dodecane were investigated in terms of polyimide gas separation membranes using nitrogen gas.
- keywords: btx; chlorine; compounds; concentrations; design; dodecane; doi; e.g.; effect; experiments; exposure; figure; gas; h2s; measurements; measuring; membranes; mixture; nitrogen; permeability; pollutants; ppm; pressure; results; separation; stability; system; test; vessel
- versions: original; plain text
- hjic-748
- author: Kristóf, Tamás
- title: Selective Removal of Hydrogen Sulphide from Industrial Gas Mixtures Using Zeolite NaA
- date: 2017-11-20
- words: 4923
- flesch: 53
- summary: Gas adsorption simulations were carried out by the standard grand canonical Monte Carlo methodology [25]. Molecular simulation predictions for mixture adsorption from two- and three-component gas mixtures containing hydrogen sulphide (H2S), hydrogen (H2) and methane (CH4) are presented.
- keywords: adsorbate; adsorption; atomic; atoms; binary; bulk; cages; calculated; ch4; chem; chemistry; component; data; doi; eng; equilibrium; experimental; figure; framework; gas; gases; h2s; higher; hydrogen; hydrogen sulphide; iast; ideal; industry; interactions; jones; kristóf; lennard; loadings; low; methane; mixtures; models; molecular; molecules; naa; non; parameters; partial; phase; phys; polar; positions; potential; predictions; pressures; pure; removal; results; selective; selectivity; separation; simulation; size; structure; substances; sulphide; temperature; values; water; zeolite; zeolite naa
- versions: original; plain text
- hjic-749
- author: Szabó, László; Kubovicsné Stocz, Klára; Szabó, Laura; Németh, Sándor; Szeifert, Ferenc
- title: Dynamic Simulator-Based APC Design for a Naphtha Redistillation Column
- date: 2017-11-20
- words: 3107
- flesch: 57
- summary: According to this analysis quality control can be achieved using simple PID control loops. The resulting inferential calculations have already been implemented and are available for the operators to facilitate quality control.
- keywords: analysis; apc; boiling; calculations; column; controllers; cv2; data; distillation; dynamic; figure; final; flowrate; gain; inferential; initial; level; local; local controllers; loops; mass; model; naphtha; operation; pairing; parameters; point; pressure; process; product; quality; real; simulator; structure; szabó; temperature; time; values; variables
- versions: original; plain text
- hjic-750
- author: Tóth, Gergely; Szepesváry, Pál
- title: Replacement of Biased Estimators with Unbiased Ones in the Case of Student's T-Distribution and Geary’S Kurtosis
- date: 2017-11-20
- words: 2981
- flesch: 62
- summary: Finally, some remarks are made on statistical tests based on sample-size dependent values in order to ex- tend their applicability to small sample sizes. The performance of the last three tests was rather weak for small sample sizes, whereof one cause might be the lack of correction for small sample sizes even for normally distributed data.
- keywords: case; corrected; correction; data; deviation; distribution; doi; estimators; geary; kurtosis; mean; n n; normal; normality; pearson; population; random; ratio; sample; size; small; standard; student; table; tests; unbiased; value
- versions: original; plain text
- hjic-751
- author: Valicsek, Zsolt; P. Kiss, Melitta; A. Fodor, Melinda; Imran, Muhammad; Horváth, Ottó
- title: Formation, Photophysics, Photochemistry and Quantum Chemistry of the Out-of-Plane Metalloporphyrins
- date: 2017-11-20
- words: 5335
- flesch: 44
- summary: Higher temperatures and thermodynamic control are also necessary for the insertion of metal ions into the cavity produced by four pyrrolic nitrogens; resulting in the formation of typical metalloporphyrin complexes. Its planar structure with an extended conjugated π-electron system provides aromatic characteristics and a special coordination cavity for the binding of metal ions of suitable radius [1-2].
- keywords: absorption; bands; base; basis; calculations; case; cavity; center; charge; chemistry; complexes; consequence; coordination; distorted; distortion; doi; dome; effects; electronic; energy; fluorescence; fodor; formation; free; head; horváth; hungarian; hyperporphyrins; imran; ions; kiss; lanthanide(iii; ligand; metal; metal center; metal ions; metalloporphyrins; nitrogens; oop; photochemical; photochemistry; photoinduced; photophysical; planar; plane; plane complexes; plane metalloporphyrins; position; properties; pyrrolic; quantum; ruffled; scheme; soret; spectra; spin; structure; substituents; tail; terms; type; typical; valicsek; water
- versions: original; plain text
- hjic-753
- author: Sebestyén, Viktor; Somogyi, Viola; Szőke, Szandra; Utasi, Anett
- title: Adapting the Sdewes Index to Two Hungarian Cities
- date: 2017-11-20
- words: 7164
- flesch: 56
- summary: These were named ‘horror’ and SDEWES cities by the authors, respectively. Since the millennium its urban development strategies have focused on becoming a “Sustainable City”.
- keywords: action; april; areas; average; benchmarking; buildings; capita; case; cities; city; climate; co2; comparison; consumption; data; development; different; dimensions; doi; emissions; energy; energy consumption; environmental; european; evaluation; form; global; green; hungarian; impact; index; indicator; industry; information; journal; local; max �; measures; method; min; municipal; mwh; national; network; number; online; parameters; policy; population; potential; process; public; quality; r&d; reduction; renewable; results; sdewes; sdewes index; sebestyén; sites; social; strategy; sustainability; sustainable; systems; table; terms; total; transport; urban; use; utasi; utilization; values; veszprém; water; zalaegerszeg; ≤ �; � �
- versions: original; plain text
- hjic-754
- author: Gerencsér, Fruzsina; Rieder, Norbert; Varga, Csilla; Hancsók, Jenő; Dallos, András
- title: Surface Energy Heterogeneity Profiles of Carbon Nanotubes with a Copolymer-Modified Surface Using Surface Energy Mapping by Inverse Gas Chromatography
- date: 2017-11-20
- words: 4031
- flesch: 46
- summary: Howev- er, previous papers have presented surface energy val- ues for functionalized CNTs over unclear surface cover- ages without energetic profiles and surface energy dis- tribution functions, which, therefore, could not give correct information on the surface of the CNTs. However, the anchoring of olefin- maleic-anhydride-ester-amide (OMAEA) up on the MWCNTs surface caused a marked decrement in dis- persive part of surface energy from ~110 mJ/m 2 to ~48 mJ/m 2 at 353 K. The large drop in the value of d s of surface-treated MWCNTs shows that the dispersive surface energy of MWCNTs has been obviously altered by the coupling agent.
- keywords: acid; acidic; agent; amide; anhydride; base; carbon; carbon nanotubes; catalyst; chemical; chromatography; compatibilized; component; copolymer; correlation; coupling; coverages; dispersive; dispersive surface; doi; electron; energetic; energies; energy; ester; figure; functions; gas; heterogeneity; igc; inverse; lines; maleic; mapping; modified; mwcnts; nanotubes; olefin; omaea; probability; profiles; properties; quantitative; samples; specific; surface; surface energy; treatment; untreated; varga; visualization
- versions: original; plain text
- hjic-755
- author: Csomós, Bence; Fodor, Dénes; Kohlrusz, Gábor
- title: Initial Electrical Parameter Validation in Lead-Acid Battery Model Used for State Estimation
- date: 2017-11-20
- words: 3608
- flesch: 56
- summary: Consequently, the battery model was optimized for fast SoC detection by short- time battery checks. In the proposed model, a simplified, that is, capacitor-like formula was used for initial battery capacity estimation so it approximates the battery non-linear discharge characteristic linearly.
- keywords: acid; batteries; battery; battery model; capacitance; circuit; current; cycle; data; discharge; doi; eq.(8; estimation; excitation; fit; function; ieee; impulse; initial; lead; linear; load; long; measured; method; model; ocv; online; orcad; parameters; power; randles; references; regression; relaxation; set; soc; state; system; term; time; uocv; values; voltage
- versions: original; plain text
- hjic-756
- author: Fertig, Dávid; Mádai, Eszter; Valiskó, Mónika; Boda, Dezső
- title: Simulating Ion Transport wth the Np+Lemc Method. Applications to Ion Channels and Nanopores.
- date: 2017-11-20
- words: 9274
- flesch: 62
- summary: APPLICA- TIONS TO ION CHANNELS AND NANOPORES. These prob- lems include particle transport through model membranes [1, 2], ion channels
- keywords: behavior; biophys; bipolar; blue; boda; boundary; ca2; calcium; carlo; case; cell; channel; charge; chemistry; coefficient; concentration; constant; current; curves; depletion; different; diffusion; doi; effect; eisenberg; electrical; electrochemical; energy; equation; equilibrium; example; figure; filter; flux; geometries; geometry; gillespie; hand; insertion; ionic; ions; isbn; iteration; large; left; membrane; method; model; monte; na+; nanopore; negative; nernst; nonner; np+lemc; particle; phys; planck; potential; profiles; reduced; region; results; right; ryr; selectivity; simulation; size; small; space; state; statistical; surface; system; technique; theory; total; transport; type; valiskó; value; voltage; volume; way; µαi
- versions: original; plain text
- hjic-759
- author: Nawaz, Zeeshan
- title: Methyl-Tert-Butyl-Ether Synthesis Reactor Modelling and Optimization Using an Aspen Custom Modeler
- date: 2017-12-20
- words: 4440
- flesch: 53
- summary: The heat transfer coefficient of the shell side is expressed as a function of Nu and Re and are both based on the external diameter of the tube, where ɛφ stands for a correction factor accounting for the angle between the coolant stream and reactor tubes: Nu s 0.4e Re s 0.6 Pr s 0.333 . Reactor parameters used for the modelling are given in Table 2.
- keywords: acm; activity; aspen; bed; catalyst; chem; coefficient; component; conditions; constant; conversion; coolant; data; diameter; distillation; doi; effectiveness; energy; eng; engng; equilibrium; ether; factor; feed; flow; heat; heat transfer; homogeneous; inlet; isobutylene; kinetic; liquid; meoh; methanol; methyl; model; modelling; molar; mtbe; multi; nawaz; operating; packed; parameters; phase; pressure; process; properties; rate; ratio; reaction; reactor; selectivity; synthesis; table; temperature; terms; tert; transfer; tube; tubular; value; vector; wall; water
- versions: original; plain text
- hjic-760
- author: Csighy, Attila; Koris, András; Vatai, Gyula
- title: Modelling the Partial Demineralization Process of Cow Milk by Superpro Designer
- date: 2017-12-20
- words: 2254
- flesch: 53
- summary: Process flow diagram of the demineralization of cow milk. Keywords: partial demineralization, SuperPro Designer, modelling, economic analysis 1.
- keywords: cost; cow; demineralization; designer; doi; economic; flow; food; industry; investment; lactose; materials; membrane; milk; modelling; nanofiltration; npv; parameters; partial; pressure; process; products; programme; rate; raw; return; study; superpro; table; total; ultrafiltration; unit; water; whey
- versions: original; plain text
- hjic-761
- author: Tovt, Valeria; Barchiy, Igor; Piasecki, Michal; Kityk, Iwan; Fedorchuk, Anatolii
- title: Investigations of the TlInP2Se6–In4(P2Se6)3 System and its Optical Properties
- date: 2017-12-20
- words: 3168
- flesch: 55
- summary: 2. Experimental Ternary Tl4P2Se6 and In4(P2Se6)3 compounds were pre- pared by melting stoichiometric quantities of binary Tl2Se with elementary indium, phosphorous and seleni- um under a vacuum of 0.13 Pa in quartz ampoules using a single temperature method. It was established that this system belongs to the eutectic type and is characterized by the formation of boundary solid phases containing complex compounds.
- keywords: analysis; anionic; atoms; band; birefringence; cations; chemistry; complex; compounds; conduction; coordination; crystals; dependence; diagram; diffuse; doi; environment; ephonon; eutectic; fedorchuk; figure; gap; group; in2se3–“p2se4; in4(p2se6)3; kityk; maximum; method; optical; phase; photoinduced; properties; reflection; second; semiconductors; single; structure; system; temperature; tl2se; tlinp2se6; wavelength
- versions: original; plain text
- hjic-762
- author: Németh, Áron
- title: Examination of Innovative High-Throughput Fermentations
- date: 2017-12-20
- words: 1953
- flesch: 55
- summary: Keywords: fermentation, high-throughput, scale-down, online measurement, mathematical model- ling 1. While each can provide almost eve- ry service required for bioreactors, for example, aera- tion, agitation and sampling in addition to pH and tem- perature control, they possess considerable limitations, namely non-standard conformations resulting in scale- up difficulties, or special measurement techniques that are incompatible with standard methods.
- keywords: anaerobic; bactrac; case; cdw; cell; changes; curve; data; diauxic; experiments; fermentations; growth; high; line; measured; measurements; media; microtiter; model; online; parameters; results; special; sugar; system; temperature; throughput; time; yeast
- versions: original; plain text
- hjic-763
- author: Zakar, Mihály; Kovács, Ildikó; Muhi, Péter; Hanczné Lakatos, Erika; Keszthelyi-Szabó, Gábor; László, Zsuzsanna
- title: The Effect of Advanced Oxidation Pre-Treatment on the Membrane Filtration Parameters of Dairy Wastewater
- date: 2017-12-20
- words: 3093
- flesch: 53
- summary: Besides additional advantages, e.g. a high degree of separation efficiency in the absence of chemical changes and low levels of energy intensity, membrane filtration also has draw- backs, namely compounds in dairy wastewater that con- tain protein were found to be significant foulants in terms of existing membrane materials Application to PES membrane for ultrafiltration of skimmed milk, Desalination, 2006 192(1-3), 40–53 DOI 10.1016/j.desal.2005.10.010 [11] Koutake, M.; Uchida, Y.; Sato, T.; Shimoda, K.; Watanabe, A.; Nakao, S.: Filtration membrane fouling in ultrafiltration of skim milk, 1: Causes and cleaning, J. Agric.
- keywords: advanced; aops; blocking; chemical; cod; coefficient; concentration; constant; dairy; degree; desalination; doi; effect; experiments; fenton; filtration; flux; fouling; hermia; high; industry; initial; irreversible; lászló; membrane; method; milk; model; occ; oxidation; oxygen; ozone; parameters; pore; pre; processes; reaction; resistance; solutions; szabó; table; terms; treatment; ultrafiltration; wastewater
- versions: original; plain text
- hjic-764
- author: Albert, Krisztina; Vatai, Gyula; Koris, András
- title: Microencapsulation of Vegetable Oil - Alternative Approaches Using Membrane Technology and Spray Drying
- date: 2017-12-20
- words: 2830
- flesch: 47
- summary: Technol., 2010 112(8), 852–858 DOI 10.1002/ejlt.201000059 [10] Turchiuli, C.; Jimenez Munguia, M.T.; Hernandez Sanchez, M.; Cortesferre, H.; Dumoulin, E.: Use of different supports for oil encapsulation in powder by spray drying, Powder Technol., 2014 255, 103– 108 DOI 10.1016/j.powtec.2013.08.026 Oil encapsulation efficiency of microcap- sules.
- keywords: average; blender; continuous; conventional; dispersed; doi; droplet; drying; efficiency; emulsification; emulsion; food; laboratory; maltodextrin; material; membrane; membrane emulsification; method; microcapsules; microencapsulation; modified; oil; olive; phase; powder; preparation; pressure; process; production; results; seed; size; span; spray; study; sunflower; surface; table; technique; technology; wall; water
- versions: original; plain text
- hjic-765
- author: Márkus, Zsófia; Bélafi-Bakó, Katalin; Tóth, Gábor; Nemestóthy, Nándor; Gubicza, László
- title: Effect of Chain Length and Order of the Alcohol on Enzyme Activity During Enzymatic Esterification in Organic Media
- date: 2017-12-20
- words: 3345
- flesch: 51
- summary: Keywords: enzymatic esterification, non-conventional media, effect of alcohol chain lengths, lipase activity 1. [18] Pan, Y.; Tang, K.V.; He, C.; Yi, W.; Zhu, W.; Liu, Y.: Effect of alcohol chain length on the enzymatic resolution of racemic mandelic acid and kinetic study, Biotechnol.
- keywords: acetic; acid; activity; alcohols; branched; butanol; carbon; chain; content; conversion; doi; effect; enzymatic; enzyme; esterification; esters; flavor; food; gubicza; initial; isoamyl; length; linear; lipase; media; natural; non; novozym; order; parameters; primary; production; propanol; rate; reaction; secondary; short; similar; solvent; supercritical; synthesis; tertiary; water; yields
- versions: original; plain text
- hjic-766
- author: Tonova, Konstantza
- title: State-of-the-Art Recovery of Fermentative Organic Acids by Ionic Liquids - an Overview
- date: 2017-12-20
- words: 2806
- flesch: 51
- summary: Keywords: extraction, ionic liquid, organic acid, recovery, re–extraction 1. [9] Matsumoto, M.; Mochiduki, K.; Fukunishi, K.; Kondo, K.: Extraction of organic acids using imid- imidazolium–based ionic liquids and their toxicity to Lactobacillus rhamnosus, Sep. Purif.
- keywords: acetic; acid; aqueous; biphasic; butyric; chem; different; doi; efficiency; esterification; extraction; fatty; fermented; hydrophobic; ils; imidazolium; ionic; ionic liquids; lactic; liquids; low; organic; p6,6,6,14][phos; p6,6,6,14]cl; partition; phase; phosphonium; properties; purif; recovery; rich; salts; sep; solvents; succinic; systems; technol; tonova; volatile; wastewater; water
- versions: original; plain text
- hjic-767
- author: Ziobrowski, Zenon; Rotkegel, Adam
- title: Application of a Hydrophobic Polymeric Membrane for Carbon Dioxide Desorption from an Mea-Water Solution
- date: 2017-12-20
- words: 2265
- flesch: 56
- summary: The effect of Re number on CO2 mass flux (T = 50°C, wMEA = 10 wt%) Figure 4. Cal- culated and experimental values of CO2 mass fluxes are Figure 5.
- keywords: amine; calculated; capture; carbon; ceramic; chemical; co2; concentration; desorption; dioxide; doi; effect; experimental; feed; figure; flow; fluxes; hydrophobic; kmol; liquid; mass; mea; measured; membrane; monoethanolamine; pdms; permeate; phase; rate; reaction; selectivity; solution; temperature; transfer; values; water
- versions: original; plain text
- hjic-799
- author: Hanáková, Kateřina; Potěšil, David; Bernatík, Ondřej; Cervenka, Igor; Rádsetoulal, Matěj; Bryja, Vítězslav; Zdráhal, Zbyněk
- title: Semiquantitative Assessment of Dishevelled-3 Phosphorylation Status by Mass Spectrometry
- date: 2018-06-07
- words: 1529
- flesch: 52
- summary: 4 HANÁKOVÁ, POTĚŠIL, BERNATÍK, ČERVENKA, RÁDSETOULAL, BRYJA, AND ZDRÁHAL Figure 1: Comparison of phosphorylation sites of hDvl3 induced by CK1ε and NEK2. Phosphorylation sites identified only by NEK2 are indicated by red background color. analyzed by liquid chromatography coupled with mass spectrometry (LC-MS/MS) for protein identification (ID run).
- keywords: analysis; column; comparison; data; doi; dvl3; enrichment; fisher; identification; individual; kinases; mass; mobile; nek2; peptide; phase; phosphopeptide; phosphorylation; protein; scientific; ser; sites; skyline; software; thermo
- versions: original; plain text
- hjic-801
- author: Bodor, Róbert; Nečasová, Andrea; Pechová, Alena; Masár, Marián
- title: Capillary Isotachophoresis Determination of Trace Oxidized Glutathione in Blood
- date: 2018-06-20
- words: 1949
- flesch: 57
- summary: Blood samples that had been di- luted by a factor of ten were directly analyzed after their filtration through a syringe filter with a pore size of 1 µm. The simple and rapid preparation of blood samples, that only involves the masking of thiol group of GSH and the dilution and filtration of the sam- ple, increases the accuracy of the GSSG concentration measured.
- keywords: anal; analysis; blood; capillary; chromatogr; column; concentration; conditions; detection; determination; doi; electrolyte; electrophoresis; es2; fig; glutathione; gsh; gssg; itp; leading; mmol; naoh; reaction; samples; separation; µmol
- versions: original; plain text
- hjic-803
- author: Kubáň, Petr; Ďurč, Pavol; Lačná, Júlia; Greguš, Michal; Foret, František; Dolina, Jiří; Konečný, Štefan; Doubková, Martina; Kindlová, Dagmar; Pokojová, Eva; Skřičková, Jana
- title: Capillary Electrophoretic Analysis of Exhaled Breath Condensate in the Diagnosis of Gastroesophageal Reflux Disease
- date: 2018-06-20
- words: 2691
- flesch: 55
- summary: Capillary electrophoresis was used to ana- lyze the ionic content of EBC samples and differences in selected ion concentrations were identified between the groups. The ion concentrations were selected to be similar to those found in EBC samples.
- keywords: acid; analysis; anions; bge; breath; c4d; capillary; cations; concentrations; contactless; ctab; detection; doi; ebc; electrolyte; electrophoresis; foret; gerd; group; healthy; individuals; kubáň; mes; mins; organic; patients; reflux; samples; separation; small
- versions: original; plain text
- hjic-806
- author: Moravcová, Dana; Planeta, Josef
- title: Silica Monolithic Capillary Columns for Hilic Separations
- date: 2018-06-20
- words: 1287
- flesch: 51
- summary: 40 MORAVCOVÁ AND PLANETA Figure 1: HILIC separation of four purine bases in a bare silica monolithic capillary column. In particular, the MEPC stationary phase containing posi- tively charged terminal groups enables the highly selec- tive HILIC separation of nucleosides and nucleotides to be achieved.
- keywords: bare; capillary; column; compounds; factor; fig; hilic; medsa; mepc; monolithic; nucleosides; number; phase; retention; separation; silica; table; theoretical
- versions: original; plain text
- hjic-807
- author: Troška, Peter; Mandžáková, Anna; Hradski, Jasna; Ševčík, Juraj; Masár, Marián
- title: Determination of Homocysteine in Urine and Saliva by Microchip Electrophoresis
- date: 2018-06-20
- words: 1784
- flesch: 52
- summary: Methods, 2014 6(12), 4138–4143 DOI: 10.1039/c4ay00287c [3] Amores-Sánchez, M.I.; Medina, M.A.: Methods for the determination of plasma total homocysteine: A review, Clin. Under the working and separation conditions employed, the repro- ducible migration velocities (the relative standard devi- Hungarian Journal of Industry and Chemistry DETERMINATION OF HOMOCYSTEINE BY MICROCHIP ELECTROPHORESIS 45 Figure 3: Electropherograms from ITP-CZE analyses of urine samples after SPME pretreatment with various ad- ditions of Hcy.
- keywords: anal; analysis; capillary; channel; chromatogr; conductivity; cze; detection; determination; doi; electrolyte; electrophoresis; hcy; homocysteine; itp; microchip; plasma; sample; separation; spme; technique; thiols; total; urine; µmol
- versions: original; plain text
- hjic-827
- author: Lukács, Zoltán; Kristóf, Tamás
- title: Application of 2N Design of Experiment method for the evaluation of the efficiency and cross-effects of oilfield chemicals
- date: 2018-12-07
- words: 3053
- flesch: 51
- summary: Keywords: oilfield chemicals, corrosion inhibitor, Design of Experiment 1. As the aim was to simulate the effects and cross-effects of oilfield chemical treatment additives (corrosion inhibitor, as well as hydro- gen sulfide and oxygen scavengers), 1 mM of Na2S was added to the solution.
- keywords: -1 -1; chemicals; coefficients; corrosion; corrosion inhibitor; cross; current; data; dependent; design; deviation; doe; effects; evaluation; experiment; factors; hydrogen; hydrogen sulfide; inhibitor; levels; measurement; method; model; oilfield; oxygen; oxygen scavenger; polarization; resistance; results; scavenger; set; standard; sulfide; sulfide scavenger; system; table; values; variable; variance
- versions: original; plain text
- hjic-828
- author: Virágh, Eszter; Kiss, Bálint
- title: Strong Reachability of Reactions with Reversible Steps
- date: 2018-12-07
- words: 5256
- flesch: 68
- summary: 4.1 Oximation reaction in acidic medium In oximation reactions, the sequence (number and nature) of reaction steps depends on the pH. The equations of the reaction steps are different in acidic and weakly basic media. Consider a system of R reaction steps and with M species (R,M > 0).
- keywords: adgf; case; cd k; concentrations; conditions; controllability; different; distribution; dynamics; energies; fields; input; lie; matrix; media; oximation; positive; rank; rate; reachability; reachable; reaction; reversible; species; steps; strong; study; system; temperature; theorem; vector
- versions: original; plain text
- hjic-829
- author: Bedő, Zsófia; Bélafi-Bakó, Katalin; Nemestóthy, Nándor; Gubicza, László
- title: Production of a Biolubricant by Enzymatic Esterification: Possible Synergism between Ionic Liquid and Enzyme
- date: 2018-12-07
- words: 3189
- flesch: 42
- summary: In the experiments with recycled enzyme it was found that ionic liquid maintained the enzyme more effectively, as if it was immobilized by it: the enzyme managed to maintain its activity and recycling ability. Various esters can be enzymatically produced from acids and alcohols of different chain lengths in non- conventional systems (organic solvents, ionic liquids, su- percritical fluids, solvent-free media).
- keywords: acid; activity; alcohol; bakó; biolubricant; bmim]pf6; bélafi; chain; conditions; conventional; doi; effect; enzymatic; enzyme; esterification; experiments; gubicza; heating; high; ionic; ionic liquid; irradiation; isoamyl; lengths; liquid; lubricants; measurements; microwave; mineral; mixture; oils; oleic; organic; possible; production; reaction; results; similar; solvent; synergistic; temperature; water
- versions: original; plain text
- hjic-83
- author: Temesvári, K.; Aranyi, A.; Balogh, S.; Bánkuti, Gy.; Csukás, B.
- title: Separation of a Two-Component Steroid Mixture by Simulated Moving Bed Chromatography
- date: 2004-09-01
- words: 3984
- flesch: 62
- summary: Samples The samples of SMB experiments were examined by analytical HPLC which consisted of a gradient pump (SpectraSYSTEM P2000), a controller (SpectraSYSTEM SN4000), a light scattering detector (Polymer Laboratories PL-ELS 2100), a thermostat (JET-STREAM Plus) and an injection valve (Rheodyne, 20 µL loop). Calculated A Calculated B Measured A Measured B Table 3: Specific capacity parameters of SMB experiments SMB experiments Feed A:B (g/l) Production rate PA
- keywords: average; bed; c l; calculated; capacity; columns; components; compound; computer; concentration; connection; consumption; data; design; dynamic; e c; elution; experiments; extract; figure; laboratory; measured; method; model; parameters; process; pure; raffinate; rate; retained; scale; separation; simulated; simulation; smb; solvent; specific; table; time; unit; zones
- versions: original; plain text
- hjic-830
- author: Dhaygude, Vinod; Soós, Anita; Zeke, Ildikó; Somogyi, László
- title: Comparison Between Static and Dynamic Analyses of the Solid Fat Content of Coconut Oil
- date: 2018-12-07
- words: 2632
- flesch: 59
- summary: These data can be used by food manufacturers to optimize processing conditions for modified coconut oil and food products fortified with coconut oil. Considering the significant scientific and practical im- portance of the physical properties of coconut oil from a few studies, the solid fat content determined by NMR and DSC methods was investigated and the obtained results compared.
- keywords: acids; blends; coconut; content; dsc; dynamic; fat; fats; fatty; fhco; fig; food; melting; nhco; nmr; oil; oils; pnmr; products; profiles; properties; results; samples; sfc; sfi; solid; solid fat; static; temperature; values
- versions: original; plain text
- hjic-831
- author: Szedljak, Ildikó; Kovács, Anikó; Kun-Farkas, Gabriella; Bernhardt, Botond; Králik, Szabina; Szántai-Kőhegyi, Katalin
- title: Monitoring of Chemical Changes in Red Lentil Seeds During the Germination Process
- date: 2018-12-07
- words: 3985
- flesch: 57
- summary: The effect of heat treatment on the amounts of certain components and the activity of oxidative enzymes was tested during our experiments; the nutritional characteristics (water-soluble total polyphenol content (WSTPC), water- soluble protein content (WSPC), water-soluble antioxidant capacity, in addition to peroxidase and polyphenol oxidase enzyme activities) of different treatments in red lentil samples were monitored. Germination resulted in the water-soluble antioxidant capacity of red lentil samples decreasing.
- keywords: acid; activity; antioxidant; capacity; changes; chemical; chemistry; components; content; control; correlation; day; differences; different; doi; dry; effect; enzyme; experiments; food; g dw; gae; germination; heat; high; important; increase; lentil; methods; peroxidase; pod; polyphenol; ppo; process; protein; red; red lentil; results; samples; sci; seeds; significant; soluble; steeping; temperatures; total; treatment; value; water; wspc
- versions: original; plain text
- hjic-832
- author: Varga, Veronika; Bélafi-Bakó, Katalin; Vozik, Dávid; Nemestóthy, Nándor
- title: Recovery of Itaconic Acid by Electrodialysis
- date: 2018-12-07
- words: 2320
- flesch: 50
- summary: The experiments with models of aqueous solutions con- firmed that the technique is suitable for the effective recovery of itaconic acid. Itaconic acid (2-methylene,1,4-butanedioic acid) is an unsaturated dicarboxylic acid, a rather reactive com- pound due to its conjugated double bond and two car- boxyl groups.
- keywords: acid; anion; aspergillus; bakó; bélafi; cation; concentration; conductivity; data; diluate; doi; electrodialysis; experiments; glucose; itaconate; itaconic; itaconic acid; membranes; method; model; module; nemestóthy; process; production; recovery; selective; separation; sodium; solution; voltage
- versions: original; plain text
- hjic-834
- author: Ruppert, Tamás; Abonyi, János
- title: Worker Movement Diagram Based Stochastic Model of Open Paced Conveyors
- date: 2018-12-07
- words: 4077
- flesch: 61
- summary: Assembly times for elec- trical connections and wire harnesses, The Interna- tional Journal of Advanced Manufacturing Technol- ogy, 1991 6(2), 155–179 DOI: 10.1007/BF02601438 [12] Assembly Line Conveyor Systems, 2015, https: //www.pacline.com/photos/photos-by-solution/ assembly-line-conveyors/ Hungarian Journal of Industry and Chemistry https://doi.org/10.1287/mnsc.41.3.485 https://doi.org/10.1287/mnsc.41.3.485 https://doi.org/10.1007/BF02601438 https://www.pacline.com/photos/photos-by-solution/assembly-line-conveyors/ https://www.pacline.com/photos/photos-by-solution/assembly-line-conveyors/ https://www.pacline.com/photos/photos-by-solution/assembly-line-conveyors/ Introduction Model of the paced conveyor Problem definition Movement diagram of an open station Section 1. - In the model F(s)kn denotes the position of kth operator at nth cycle step in sth section of diagram, where the positions are measured from the starting point of the first table.
- keywords: assembly; case; conveyor; cycle; delay; developed; diagram; doi; end; harness; idle; industry; journal; k n; kth; line; model; movement; moves; open; operator; paced; position; production; section; simulator; speed; station; step; stoppage; table; tact; tcm; time; vkn; walking; walking time; wire; worker; workstations
- versions: original; plain text
- hjic-835
- author: Kóczán-Manninger, Katalin; Badak-Kerti, Katalin
- title: Investigations into Flour Mixes of Triticum Monococcum and Triticum Spelta
- date: 2018-12-07
- words: 2695
- flesch: 63
- summary: After 2 days of storage at room temperature, the crumbs of 100 % spelt flour bread degraded to an average quality. According to previous research, spelt wheat flour pro- duces less stable and elastic but stickier dough than plain flour.
- keywords: aestivum; baking; bread; content; crumb; day; different; doi; dough; einkorn; elasticity; fig; flour; force; gluten; hardness; hungarian; low; measurements; monococcum; quality; results; samples; species; spelt; spelt flour; storage; test; triticum; varieties; volume; wet; wheat
- versions: original; plain text
- hjic-836
- author: Bognár, Erzsébet; Hellner, Gabriella; Radnóti, Andrea; Somogyi, László; Kemény, Zsolt
- title: Formation of Glycidyl Esters During the Deodorization of Vegetable Oils
- date: 2018-12-07
- words: 2757
- flesch: 58
- summary: [13] summarized the data from previous studies and according to this re- view the highest concentrations of GEs in seed oil were found in soybean oil when compared to rapeseed and sun- flower oils. The GE content of sunflower and rapeseed oils was kept un- der 1 mg/kg after 120 minutes of deodorization at a tem- perature of 250 ◦C or less, but for soybean oil this level was obtained at or below 230 ◦
- keywords: acid; budapest; contaminants; deodorization; design; doi; edible; effects; esters; experimental; factors; fats; fatty; food; formation; ges; glycidyl; glycidyl esters; high; hungary; independent; interactions; isbn; levels; minutes; n.s; oils; palm; processing; rapeseed; significant; soybean; sunflower; temperature; time; vegetable
- versions: original; plain text
- hjic-838
- author: Wirnhardt, Ádám; Varga, Tamás
- title: Comparison of Particle Size Distribution Models for Polymer Swelling
- date: 2018-12-07
- words: 3470
- flesch: 63
- summary: J. Soil Sci., 2017 68(3), 345-364 DOI: 10.1111/ejss.12423 [5] Bayat, H.; Rastgo, M.; Zadeh, M.M.; Vereecken, H.: Particle size distribution models, their characteris- tics and fitting capability, J. Hydrology, 2015 529, 872-889 DOI: 10.1016/j.jhydrol.2015.08.067 [6] Blickle, T.; Lakatos, B.G.; Ulbert, Zs.; Mihálykó, Cs.: By examining the correlation of model parameters in these eleven models, one model called Jaky exhibited a correlation as shown in Fig.
- keywords: absolute; average; beads; calculated; correlation; data; difference; distribution; exp; extreme; fit; goodness; heterodisperse; matlab; mean; models; p(d; parameters; particle; polymer; polymer beads; problem; process; psd; rate; size; state; swelling; system; time; value
- versions: original; plain text
- hjic-84
- author: Nagy, M.; Molnár, Z.; Hanák, L.; Argyelán, J.; Szánya, T.; Ravasz, B.; Turza, G.; Aranyi, A.; Temesvári, K.
- title: Study of Open–looped Simulated Moving Bed (SMB) Chromatographic Process
- date: 2004-09-01
- words: 3669
- flesch: 63
- summary: The function of segment III is to separate steroid A and B and to produce steroid B in the LROUT flow. Langmuir constant of steroid B, cm3 liquid free volume g-1 silica gel bB Langmuir constant of steroid B, cm3 liquid free volume mg-1 B component cB concentration of steroid B, g dm-3 qA adsorbent concentration of steroid A, mg g-1 aA Langmuir constant of steroid A, cm3 liquid free volume g-1 silica gel bA
- keywords: acetone; adsorbent; adsorption; bmg; calculated; chromatogr; cm-3; cm3; column; concentration; data; dichloromethane; dm-3; eluent; extract; fig; flow; g-1; gel; hplc; langmuir; liquid; lrout; measured; measurement; mg-1; min; mixture; number; process; productivity; purity; raffinate; results; separation; silica; simulation; smb; steroid; switching; table; time; volume; volumefreeliquid; ymc
- versions: original; plain text
- hjic-840
- author: Tarcsay, Bálint Levente; Mihálykó-Orbán, Éva; Mihálykó, Csaba
- title: Optimal Design and Operation of Buffer Tanks Under Stochastic Conditions
- date: 2018-12-07
- words: 6218
- flesch: 54
- summary: An analytic function Hungarian Journal of Industry and Chemistry OPTIMAL DESIGN AND OPERATION OF BUFFER TANKS UNDER STOCHASTIC CONDITIONS 99 was fitted to the simulated data, which provided a link between the initial buffer and tank capacities that corre- spond to a given level of reliability. 91–100 (2018) hjic.mk.uni-pannon.hu DOI: 10.1515/hjic-2018-0025 OPTIMAL DESIGN AND OPERATION OF BUFFER TANKS UNDER STOCHASTIC CONDITIONS BÁLINT LEVENTE TARCSAY1 , ÉVA MIHÁLYKÓ-ORBÁN1 , AND CSABA MIHÁLYKÓ *
- keywords: batch; buffer; buffer capacity; buffer tank; capacities; capacity; carlo; chemical; continuous; data; design; distribution; equation; failure; fig; function; i=1; initial; initial buffer; intermediate; interval; key; level; malfunction; material; method; mihálykó; monte; number; operation; parameter; probability; process; processes; product; random; raw; reliability; required; simulation; stochastic; storage; system; tank; tank capacity; time; time interval; tmax; usd; variables
- versions: original; plain text
- hjic-842
- author: Magyar, Attila
- title: Editorial Preface to The Special Issue Dedicated to the 15th International PhD Workshop on Systems and Control by Attila Magyar guest editor
- date: 2019-06-27
- words: 297
- flesch: 31
- summary: • system identification and signal processing • electrical transmission systems, smart grids • bioengineering • traffic control • reaction kinetic networks • artificial intelligence • soft computing (neural, genetic, fuzzy algorithms, etc.) • software issues (parallel computing, distributed and network computing, data visualization) • decision making (decision support, data mining) • applications This issue represents the entire spectrum of systems and control engineering as follows: • process modeling and analysis; control (traditional, intelligent, adaptive, etc.)
- keywords: computing; control; engineering; international; issue; phd; systems; workshop
- versions: original; plain text
- hjic-843
- author: Pózna, Anna I.; Fodor, Attila; Hangos, Katalin M.
- title: Non-Technical Loss Diagnosis in Electrical Networks With a Radial Layout
- date: 2018-12-07
- words: 4654
- flesch: 58
- summary: These illegal loads should be located in single load networks. Illegal load is a load that originates from a fraudulent meter, i.e. the consumer uses illegal power.
- keywords: algorithm; case; consumption; currents; detection; diagnostic; difference; distribution; doi; electrical; energy; feeder; fig; ieee; illegal; illegal load; inequality; layout; lines; load; load subnetworks; localization; loss; losses; measured; measurement; meter; method; multiple; multiple load; network; nominal; non; ntl; ntls; phase; power; present; radial; section; set; single; single load; smart; subnetworks; technical; theft; transmission; values; voltage
- versions: original; plain text
- hjic-844
- author: Gaily, Sara El
- title: Evaluation of Resource optimization based on quantum search
- date: 2018-12-07
- words: 3337
- flesch: 48
- summary: On the other hand, the variance of the pro- posed quantum solution remained approximately linear and tended to zero, therefore, the quantum system con- serves the distribution uniformity. In order to exploit the power of quantum comput- ing in terms of resource distribution, a quantum extreme value searching algorithm was used [5], which will be *Correspondence: elgaily@hit.bme.hu combined with an appropriately designed classical frame- work.
- keywords: algorithm; arrival; classical; complexity; computational; computing; database; deployment; different; distribution; equal; exhaustive; exponential; fig; figure; load; mean; method; new; number; optimization; optimum; processing; quantum; randomized; resource; results; search; sequence; simulation; solution; strategies; strategy; system; tasks; time; uniformity; units; variance
- versions: original; plain text
- hjic-845
- author: Garai, Lőrinc; Horváth, András
- title: Simulation of color afterimages: An approach to computing virtual color perception
- date: 2018-12-07
- words: 4103
- flesch: 54
- summary: A subordinate of afterimages defined in our research is virtual color perception, that is in our interpretation an unusual and intense temporary color perception provoked by a rapid change in the color of the incident light. In research, the modelling of virtual color perception is a field that is by and large untouched.
- keywords: actual; afterimages; b2r2; blue; ccfl; changes; color; color perception; concentration; cone; coordinates; dimensionless; display; doi; duration; fig; g2b2; gamut; green; hungarian; incident; intensity; kinetic; light; model; perception; photopigment; point; r2g2; rapid; receptors; red; relative; results; rgb; simulation; table; test; time; validation; values; virtual; virtual color; vision; x(t; z(t
- versions: original; plain text
- hjic-846
- author: Al Hemeary, Nawar; Jaworski, Maciej; Kindracki, Jan; Szederkényi, Gábor
- title: Thermal model development for a CubeSat
- date: 2018-12-07
- words: 4970
- flesch: 59
- summary: 980 980 1600 Emissivity (thermal) 0.08 0.92 0.85 Absorptivity (solar) 0.379 0.09 0.92 Table 2: Material properties of fuel tank. The emissivity of infrared radiation from these faces can be calculated as the average of the emissivity of infrared radiation from aluminum and the emissivity of infrared radiation from the solar cell in addition to the absorptivity of these faces as shown in Table 3. Hungarian Journal of Industry and Chemistry THERMAL MATHEMATICAL MODEL 29 (a) (b) Figure 3: The thermal behavior using 100 % Al during one orbital period ((a) temperatures of the faces and fuel tank, (b) temperature of the fuel tank) (T1, . . .
- keywords: aluminum; analysis; assumed; assumption; cells; control; cubesat; design; equations; external; faces; fig; figure; fuel tank; heat; heat transfer; interval; mass; model; msc; orbital; orbital period; oxide; period; properties; propulsion; radiation; radiative; rate; results; satellite; simulation; solar; span; spherical; spherical fuel; stands; sun; surface; technology; temperature; thermal; time; transfer
- versions: original; plain text
- hjic-847
- author: Papp, Dávid; Szűcs, Gábor
- title: Automated Labeling Process for Unknown Images in an open-world Scenario
- date: 2019-06-27
- words: 5049
- flesch: 59
- summary: U (9) where M represents the number of unknown images; Lj and Ci denote the label of unknown image UDPMj and cluster identity, respectively. 33–39 (2019) hjic.mk.uni-pannon.hu DOI: 10.33927/hjic-2019-06 AUTOMATED LABELING PROCESS FOR UNKNOWN IMAGES IN AN OPEN-WORLD SCENARIO DÁVID PAPP *1 AND GÁBOR SZŰCS1 1Department of Telecommunications and Media Informatics, Budapest University of Technology and Economics, Magyar Tudósok krt.
- keywords: algorithm; automated; baseline; caltech101; caltech256; categories; category; class; classes; classification; classifier; cluster; clustering; computer; conference; data; datasets; doi; dpm; fisher; ieee; images; isbn; kernel; labeling; learning; means; method; model; new; number; open; pattern; probability; problem; process; recognition; results; set; svm; test; training; udpm; unknown; unknown images; vector; vision; world
- versions: original; plain text
- hjic-849
- author: Greber, Márton; Fodor, Attila
- title: Simulation of a balanced low-voltage electrical grid using a simplified network model
- date: 2018-12-07
- words: 5419
- flesch: 65
- summary: The feeder points of low-voltage grids are trans- former substations which convert forward the desired power from the medium voltage side into the base volt- age, therefore, can be represented as voltage sources. Multiplying it with the node volt- ages column vector will result in edge voltages: U = A>φ.
- keywords: active; algorithm; balanced; bus; calculation; case; column; complex; current; distribution; doi; dpp; edge; electrical; end; equal; equations; error; feeder; fig; figure; flow; following; graph; grid; hungarian; ieee; iiter; iteration; line; low; matrix; method; minimum; model; network; nodal; node; node voltages; number; order; phase; power; process; results; set; sima; simplified; simulation; single; size; solution; source; system; test; topology; value; vector; voltage
- versions: original; plain text
- hjic-85
- author: Molnár, Z.; Nagy, M.; Aranyi, A.; Hanák, L.; Szánya, T.; Argyelán, J.
- title: Investigation of Reverse Phase SMB-Chromatographic Bioseparations of Amino Acid Aqueous Solutions
- date: 2004-09-01
- words: 4913
- flesch: 61
- summary: Description of production-scale SMB-LC and small-laboratory SMB-LC equipments There are geometric and other parameters of the 4- column production scale SMB-LC equipment being constructed by the Central Workshop of University of Veszprém: column number is four and made of stainless steel. The shorter the switching time and the more the number of columns are in the SMB-LC, the better it converges to the TMB-LC.
- keywords: acid; adsorbent; adsorption; amino; aqueous; bed; binding; chromatography; cm3; column; component; concentration; desalting; dm3; eluent; equilibrium; extract; feed; flow; glycine; hp20; liquid; measurement; method; min; mobile; mol; morbidelli; moving; nacl; packing; parameters; phase; phenylalanine; preparative; productivity; purity; raffinate; resin; sample; scale; separation; small; smb; solution; sp825; stream; switching; system; temperature; time; water; zone
- versions: original; plain text
- hjic-850
- author: Bálint, Roland; Fodor, Attila; Szalkai, István; Szalkai, Zsófia; Magyar, Attila
- title: Modeling and Calculation of the Global Solar Irradiance on Slopes
- date: 2019-06-27
- words: 4219
- flesch: 63
- summary: Keywords: solar irradiance, modeling, solar geometry, inclined surface 1. A general model of the angle of incidence of solar irradiance with regard to the azimuth is derived in Ref.
- keywords: altitude; angle; astronomical; atmosphere; azimuth; beam; calculated; constant; cos(α; day; diffuse; distance; earth; energy; engineering; equations; fig; global; global solar; horizontal; hungarian; irradiance; local; model; parameters; path; position; power; relative; sin; sin(α; solar; solar irradiance; sun; surface; tilt; time; value; year; zenith
- versions: original; plain text
- hjic-851
- author: Balázs, István; Fodor, Attila; Magyar, Attila
- title: Aggregation of Heterogeneous Flexibility Resources Providing Services for System Operators and the Market Participants
- date: 2019-06-27
- words: 4096
- flesch: 32
- summary: This paper suggests an aggregator framework that provides services for both operators of transmission and distribution systems while optimizes its portfolio to perform on wholesale energy trading markets too. According to the proposed architecture, it has an extended responsibility, enabling the Flexibility Center to control a diverse portfo- lio of distributed resources and optimize their capacities in order to both participate in wholesale energy markets and fulfil external requests for flexibility activation.
- keywords: aggregator; ahead; balance; balancing; brp; business; center; consumption; control; customers; day; demand; dispatch; distribution; dso; electricity; energy; external; flexibility; framework; generation; grid; group; heterogeneous; intermittent; intraday; level; load; management; market; model; module; optimization; parameters; periods; phases; planning; portfolio; power; process; renewable; requirements; resources; response; responsible; role; run; services; stochastic; system; time; trading; transmission; tso; voltage; wholesale
- versions: original; plain text
- hjic-852
- author: Fehér, Áron; Márton, Lőrinc
- title: Comparison of the approximation methods for time-delay systems: application to multi-agent systems
- date: 2019-06-27
- words: 4505
- flesch: 66
- summary: This paper presents a review of dominant pole and model-approximation algorithms for delayed systems that can be applied to multi-agent systems. Quasipolynomial mapping based rootfinder for analysis of Time delay systems, in Proc. of IFAC Workshop on Time-Delay Sys- tems, TDS 2003, DOI: 10.1016/S1474-6670(17)33330-X [19] Vyhlídal, T.; Zítek, P.: QPmR – Quasipolynomial rootfinder: Algorithm update and examples, Ad- vances in Delays and Dynamics, vol. 1 (Springer International Publishing, Cham), 2013 299–312, DOI: 10.1007/978-3-319-01695-5_22, http://www.cak.fs.
- keywords: agent; algorithm; approximation; case; chain; communication; condition; consensus; control; dde; degree; delay; differential; doi; dominant; dynamics; eigenvalues; equation; error; explicit; exponential; form; function; graph; initial; lambert; linear; mas; matrix; method; multi; number; platoon; polynomial; quasi; ref; relation; solution; state; system; time; transient; vector; vehicle
- versions: original; plain text
- hjic-853
- author: Szakonyi, Benedek; Lőrincz, Tamás; Lipovits, Ágnes; Vassányi, István
- title: Rule-base formulation for clips-based work ergonomic assessment
- date: 2019-06-27
- words: 4035
- flesch: 53
- summary: Keywords: expert system, CLIPS, work ergonomics 1. [accessed September 20, 2018] [14] Lueder, R.: A proposed RULA for computer users, In: Proceedings of the ergonomics summer work- shop, UC Berkeley Center for Occupational & En- vironmental Health Continuing Education Program, San Francisco, August 8-9, 1996 24, 91–99 [15] Hignett, S.; McAtamney, L.:
- keywords: acceptable; aspects; assessment; base; behaviour; body; cases; clips; computer; conditions; constraints; different; doi; duration; environments; ergonomics; evaluation; expert; facts; feedback; formulation; framework; hand; industry; kinect; lifestyle; main; method; number; office; possible; postures; ranges; real; reba; related; research; rula; rule; sagittal; sensor; slot; system; template; time; type; user; work; working
- versions: original; plain text
- hjic-855
- author: Németh, Áron
- title: Investigations Into Succinic Acid Fermentation
- date: 2019-12-07
- words: 2303
- flesch: 45
- summary: 9 variables, i.e. 7 inputs (time, lactic acid, acetic acid, propionic acid, glycerol, ethanol, total sugar) and 2 outputs (succinic acid, CDW), were applied to 58 fermentation samples from which 36 were used for training the network, 11 were selected and 11 were used for testing the behaviour of the model. 2008 26(2), 100–108 DOI: 10.1016/j.tibtech.2007.11.006 [4] Zeikus, J. G.; Jain,·M. K.; Elankovan, P.: Biotech- nology of succinic acid production and markets for derived industrial products Appl.
- keywords: acid; actinobacillus; addition; anaerobic; applied; bacteria; cdw; chemistry; co2; concentration; different; doi; enrichment; experiment; factors; fermentation; fig; gas; glucose; high; important; industry; lactic; model; modelling; network; neural; németh; production; propionic; results; samples; succinic; succinogenes; sugar; terms; training; yield
- versions: original; plain text
- hjic-856
- author: Czinkóczky, Réka; Németh, Áron
- title: Production of the Enzyme Cyclodextrin Glycosyltransferase Using Different Fermentation Techniques
- date: 2019-12-12
- words: 3335
- flesch: 46
- summary: Keywords: Cyclodextrin glycosyltransferase, fermentation, cyclodextrins, Bacillus licheniformis 1. 3, Budapest, 1111, HUNGARY Cyclodextrins produced by cyclodextrin glycosyltransferase (CGTase) are widely used in the pharmaceutical industry to improve the solubility of drug substances as well as protect them against oxidation.
- keywords: activity; appl; bacillus; batch; biochem; biotechnol; cds; cgtase; chemistry; continuous; cultivation; cyclization; cyclodextrin; different; doi; enzymatic; enzyme; experiments; fed; fermentation; figure; glucanotransferase; glycosyltransferase; growth; hydrolysis; industry; licheniformis; microbiol; patent; production; productivity; rate; reactions; semi; specific; starch; techniques; transglycosylation
- versions: original; plain text
- hjic-859
- author: Akande, Rukayat; Adeleke, Abraham
- title: Multistage Gravity Beneficiation of Rutile in a Tar-Free Sand Residue
- date: 2019-12-22
- words: 4432
- flesch: 62
- summary: 25–30 (2019) hjic.mk.uni-pannon.hu DOI: 10.33927/hjic-2019-17 MULTISTAGE GRAVITY BENEFICIATION OF RUTILE IN A TAR-FREE SAND RESIDUE RUKAYAT AKANDE*1 AND ABRAHAM ADELEKE1 1Department of Materials Science and Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria This study reports on the concentration of rutile in the sand recovered from tar sand in Ondo State in Nigeria. Tar sands are impregnated sands that yield mixtures of liquid hydrocarbons, which require further processing other than mechanical blending before becoming finished petroleum products.
- keywords: beaker; beneficiation; bitumen; bottle; concentrate; concentration; content; denser; density; fluorescence; free; free sand; gravity; leaching; light; lighter; mass; microscopy; minerals; nigeria; oil; ondo; panning; particles; procedure; pulp; raw; ray; recovered; recovery; residue; results; rutile; sample; sand; sand residue; sieve; silica; size; slurry; sodium; spectroscopy; state; table; tailings; tar sand; water; weight
- versions: original; plain text
- hjic-86
- author: Fajd, E.; Marton, G.
- title: Starch Citrate as an Ion Exchange Material – Preparation and Investigation
- date: 2004-09-01
- words: 3284
- flesch: 59
- summary: In further experiments the effect of bead size and the effect of the pH of solution on ion binding capacity was examined and preliminary column experiments were carried out to see how binding and regeneration steps work out in a glass column. 2/1 CA/starch ratio can be considered as an optimal mix composition beyond which no increase in ion binding capacity was experienced.
- keywords: acid; binding; capacity; citrate; citric; column; cooh; cu2; diffusion; exchange; experiments; figure; h2c; ions; material; min; mixer; optimal; particle; ratio; reaction; regeneration; resins; results; samples; scale; size; solution; starch; temperature; time; values; waxy
- versions: original; plain text
- hjic-861
- author: Tankovics, András; Takács, Dávid; Szendefy, Judit; Csukás, Béla; Varga, Mónika
- title: Residence Time Distribution-Based Analysis of an Industrial-Scale Biogas Fermenter
- date: 2019-12-12
- words: 5187
- flesch: 52
- summary: The simulation-based approximate identification of the mixing model was accomplished by a heuristic approach that took into consideration multiple structures with changing mixing flows. each other (for practical considerations, circflowmix and gasflowmix can be integrated into a single flowmix); - Permix: peripheral bidirectional mixing flow be- tween the subsequent annular slices of the same layer , horizontally; - Radmix: radial bidirectional mixing flow between the annular slices and the inner cylinder of the same layer, horizontally.
- keywords: actual; anaerobic; analysis; beet; biogas; chloride; compartmentalization; compartments; computational; concentration; consideration; detailed; digesters; digestion; distribution; doi; effluent; elements; fermenter; fig; figure; flow; horizontal; hungarian; industrial; input; kaposvár; layer; lithium; measured; mixed; mixing; mixing flow; model; modelling; o n; output; parameters; process; programmable; rate; recycle; residence; rtd; scale; scheme; segments; simulation; slices; sludge; structures; sugar; time; tracer; unit; upper; vertical; volume
- versions: original; plain text
- hjic-862
- author: Varga, Mónika; Azzaro-Pantel, Catherine; Flores-Perez, José Manuel; Csukás, Béla
- title: Programmable Process Structure Based Analysis of Hydrogen Supply Chains
- date: 2019-12-12
- words: 5348
- flesch: 35
- summary: [1], the importance of hydrogen energy is expected to grow in the future because stakeholders have just started to discover the potential advantages of it worldwide [2]. The two corre- sponding kinds of hydrogen production processes are electrolysis and the different methods of gas separa- tion for hydrogen enrichment, e.g. membrane separation, pressure swing adsorption, etc.
- keywords: actual; analysis; application; approach; azzaro; cars; case; chains; code; connections; csukás; data; demand; deployment; description; design; doi; dynamic; e.g.; electrical; elements; energy; environmental; example; fig; fuel; functional; gas; general; generated; generation; hsc; hungarian; hydrogen; hydrogen supply; journal; local; mathematical; meta; methodology; methods; model; modeling; multi; natural; network; nuclear; objective; operation; optimization; pantel; parameters; photovoltaic; planning; power; process; process structures; processes; production; programmable; programmable process; programming; prototypes; renewable; resources; results; simulation; solar; specific; state; storage; structures; supply; supply chains; system; time; transition; utilization; varga; wind
- versions: original; plain text
- hjic-863
- author: Tarcsay, Bálint Levente; Egedy, Attila; Bobek, Janka; Rippel-Pethő, Dóra
- title: Investigation of Mixing in Tanks of a Special Geometry
- date: 2019-12-12
- words: 4785
- flesch: 58
- summary: Keywords: tanks with of special geometry, mixing, flow pattern, transfer function model 1. method, transfer functions were identified for the tank by using the experimental RTD curves.
- keywords: algorithm; box; case; concentration; curves; cylindrical; denominator; doi; error; experimental; figure; fitting; flow; function; general; geometries; geometry; goodness; ideal; input; links; methods; mixing; model; modelling; number; order; output; parallel; parameters; pfr; process; residence; response; results; rtd; rtd function; serial; special; step; structure; system; table; tank; time; tracer; transfer; transfer function; units
- versions: original; plain text
- hjic-864
- author: Kováts, Nóra; Eck-Varanka, Bettina; Békéssy, Zsófia; Diósi, Dorina; Hubai, Katalin; Korponai, János
- title: Assessment of the Ecotoxicity of Nanoplastics
- date: 2019-12-12
- words: 3245
- flesch: 51
- summary: A new flash method for measuring the toxicity of solid and colored samples, Chemosphere 1999, 38(5), 1069–1083 DOI: 10.1016/s0045-6535(98)00352-x [21] Lappalainen, J.; Juvonen, R.; Nurmi, J.; Karp, M.: Automated color correction method for Vibrio fis- cheri toxicity test. Vibrio fis- cheri bioluminescence inhibition assay for ecotoxi- city assessment: A review, Sci. Total Environ. 2018, 626, 1295–1309 DOI: 10.1016/j.scitotenv.2018.01.066 [20] Lappalainen, J.; Juvonen, R.; Vaajasaari, K.; Karp, M.:
- keywords: aquatic; bacteria; brain; chain; chem; concentrations; diameter; different; doi; ec20; ecotoxicity; ecotoxicological; effects; environ; environmental; exposure; fischeri; fish; food; inhibition; intensity; kinetic; laboratory; light; luminescence; marine; microand; microplastics; mins; nanoparticles; nanoplastics; nov; organisms; particles; physical; pollut; polystyrene; range; results; sample; sci; study; test; toxicity; vibrio
- versions: original; plain text
- hjic-865
- author: Tálosi, Gréta; Gergó, Péter; Holló, András
- title: Biocomponent-Based Quality Improvement Opportunities of Binders for Road Construction
- date: 2019-12-12
- words: 4100
- flesch: 49
- summary: com/__data/assets/pdf_file/0016/17701/ NZJFS2321993BALL236-242.pdf [27] Bearsley, S. R., Haverkamp, R. G. Age hardening potential of tall oil pitch modified bitumen. Road Materials and Pavement Design, 2007, 8(3), 467– 481 DOI: 10.1080/14680629.2007.9690084 [28] Bearsley, S. R., Haverkamp, R. G. Adhesive proper- ties of tall oil pitch modified bitumen.
- keywords: analysis; applied; asphalt; binders; biocomponent; bitumen; bituminous; blending; case; complex; concentration; construction; deformation; doi; effect; flexible; force; high; journal; loading; materials; measurements; modifying; modulus; oil; pavement; penetration; performance; pmb; polymer; properties; pyrolysis; quality; recovery; reference; results; road; samples; sbs; softening; stabilised; styrene; temperature; test; values; waste
- versions: original; plain text
- hjic-87
- author: Majerik, V.; Horváth, G.; Charbit, G.; Badens, E.; Szokonya, L.; Bosc, N.; Teillaud, E.
- title: Novel Particle Engineering Techniques in Drug Delivery: Review of Coformulations Using Supercritical Fluids and Liquefied Gases
- date: 2004-09-01
- words: 8095
- flesch: 56
- summary: [70] EC Ascorbi acid HPMC Aggragated particles, 0,5 µm EC Carbamazepine HPMC Aggragated acicular particles, 0,5 µm HPMC Amorphous aggragates and fibers, 0,05 - 1 µm EC Amorphous particles, 100 µm Indomethacin PVP Amorphous particles, 10 - 250 µm HPMC Amorphous aggragates, 0,1 – 0,3 µm Ketoprofen EC Aggregates HPMC Amorphous spheres, 3 – 200 µm Paracetamol EC Fine powder HPMC Amorphous aggragates, 0,1 – 50 µm Theophyline EC Amorphous aggragates, 1 – 70 µm HPC Model druga Poloxamer 237 Clusters and agglomerates of spheres, 2 – 32 µm Model drugb HPC Clusters and irregular agglomerates, 4 – 47 µm [67] Plasmid-DNA Mannitol DNA-loaded particles [71] Chlorpheniramine maleate Eudragit RL Drug crystals incorporated in swelled polymer [72] Mannitol Mixture of drug particles and polymer fibers, 1 - 20 µm Model drugc Eudragit E Solid solution [69] a ((Z)-3-[1-(4-chlorophenyl)-1-(4-methansulfonyl)methylene]-dihydrofuran-2-one); b ((Z)-3-[1-(4-bromophenyl)-1-(4-methansulfonyl)methylene]-dihydrofuran-2-one); c 2,6-dimethyl-8-(2-ethyl-6- These methods open new possibilities in formulation of drug carrier composites with targeted physical properties including particle size, morphology, crystallinity, polymorphism and residual solvent content Both methods were proved to be viable alternatives to conventional formulation techniques.
- keywords: acid; active; amorphous; antisolvent; api; apis; aqueous; authors; bertucco; biological; carbamazepine; carrier; composites; compressed; controlled; cryogenic; crystallinity; cyclosporine; delivery; diagram; dispersion; drug; drying; et al; eudragit; excipient; expansion; fig; flow; fluid; formulation; freezing; gas; gases; high; hpmc; iii; insoluble; insulin; int; johnston; like; liquid; low; mannitol; mean; method; microcapsules; nozzle; organic; particles; pat; pca; peg; pgss; pharm; pharmaceutical; phase; physical; pla; plga; poloxamer; polymer; powder; precipitation; pressure; process; product; properties; pvp; rapid; refrigerant; related; release; relgs; residual; sas; scco2; scf; schematic; seds; size; solid; solubility; soluble; solution; solvent; spherical; spray; substrate; supercritical; surface; systems; techniques; temperature; u.s; vessel; water; williams; york
- versions: original; plain text
- hjic-88
- author: Hanák, L.; Szánya, T.; Szolcsányi, P.
- title: Separation by Ion Exchange and Adsorption Parametric Pumping IV.
- date: 2004-09-01
- words: 3766
- flesch: 59
- summary: − The slope and the temperature dependence of ion exchange equilibrium isotherm, which are taken into account with the temperature dependence of ion exchange selectivity coefficients; these are the function of ion exchange resin quality and the ions to be separated, of the solution total concentration and of the applied temperature values. (2) xj ion ratio of component “j” in the liquid phase xj,0 initial ion ratio of component “j” in the liquid phase C N,i H N,i xx ion ratio in hot and cold reservoirs, in the Nth theoretical cycle yj ion ratio of component “j” in resin phase C0 total concentration of liquid phase ∆H enthalpy change of ion exchange process K1, K2 equilibrium constants of ion exchange reaction on two, different temperatures L the length of ion exchange column N theoretical cycle number Q capacity of ion exchanger resin, related to volume unit C,i jT H,i jT ion exchange selectivity coefficient of ion “i”, related to ion “j”, on “cold” and “hot” temperatures Vk volume of ion exchanger resin charged into the column ε free volume coefficient of the ion exchanger resin column REFERENCES 1.
- keywords: -ce3; -h+; calculations; case; chem; coefficients; cold; component; composition; concentration; cycle; cycle number; dowex; equation; equilibrium; exchange; figure; function; hot; initial; ion; ion exchange; isotherms; journal; model; number; operation; parametric; pumping; reservoir; resin; selectivity; separation; slope; temperature; theoretical; values
- versions: original; plain text
- hjic-89
- author: Hanák, L.; Szánya, T.; Szolcsányi, P.
- title: Separation by Ion Exchange and Adsorption Parametric Pumping V.
- date: 2004-09-01
- words: 3474
- flesch: 67
- summary: The increasing interest in this area is also reflected in the numerous research articles published in the field of ion exchange and adsorption separations [1-5]. Ion exchange equilibrium of Ca2+ -K+ cations at temperatures of 288K and 333K, with a total cation content of 0.10 equ/dm3 Knowledge of ion exchange isotherms at two temperatures is required numerically for the mathematical modelling of the process.
- keywords: 288k; 333k; ca2; case; column; component; composition; concentration; cycle; dm3; efficiencies; efficiency; equ; equilibrium; exchange; figure; function; initial; ion; ksm; process; reservoir; results; separation; solution; theoretical; total; varion; xca++,o=0.80
- versions: original; plain text
- hjic-90
- author: Almásy, G. A.; Kollár-Hunek, K.
- title: Basic Principles of Process Modelling
- date: 2005-09-01
- words: 6780
- flesch: 45
- summary: Concepts Our aim is to present some properties of process models necessary to be correct in the sense that they obey the postulates below, i.e., the obvious rules of classical 2 Newtonian physics. The first question is whether it is a necessary condition for process models to fulfil the condition not to contradict the rules of conservation.
- keywords: actual; case; change; chemical; coefficient; component; condition; connected; consequence; conservation; content; continuous; coordinates; corresponding; decomposition; definition; density; description; difference; differential; discrete; engineering; entities; entity; environmental; equation; functions; independent; initial; integral; linear; material; mathematical; model; modelling; necessary; number; operation; operation model; parameters; physical; physics; points; possible; postulate; potentials; practical; problems; process; process model; process variables; processes; properties; reason; result; rules; set; simulation; solution; space; state; streams; subprocesses; sum; system; t t; theory; time; transfer; union; variables; velocity
- versions: original; plain text
- hjic-91
- author: Leitold, A.; Hangos, K. M.
- title: Numerical Method-Independent Structural Solvability Analysis of DAE Models
- date: 2005-09-01
- words: 4825
- flesch: 51
- summary: Proof: It follows directly from the structure of dynamic representation graphs and from the procedure of reduction. These labels can be seen in Figs.11 and 12. 20 Reduction of representation graphs assuming an implicit solution method The reduction of representation graphs can be performed in this case in two steps:
- keywords: algebraic; arcs; auxiliary; case; differential; dynamic; equations; explicit; following; graph; higher; implicit; index; linking; main; method; model; numerical; order; reduced; representation; representation graph; solution; step; time; type; variables; vertices
- versions: original; plain text
- hjic-912
- author: Szalai, István
- title: Editorial Preface to the Special Issue Dedicated to the Workshop Self-Driving Vehicles
- date: 2020-06-27
- words: 240
- flesch: 49
- summary: 1–1 (2020) hjic.mk.uni-pannon.hu DOI: 10.33927/hjic-2020-01 EDITORIAL PREFACE TO THE SPECIAL ISSUE DEDICATED TO THE WORKSHOP “SELF-DRIVING VEHICLES ISTVÁN SZALAI1 1Institute of Mechatronics Engineering and Research, University of Pannonia, Gasparich Márk utca 18/A, Zalaegerszeg H-8900, HUNGARY István Szalai Professional Leader ”Research of autonomous vehicle systems related to the autonomous test track in Za- laegerszeg“ (EFOP-3.6.2-16-2017-00002) https://doi.org/10.33927/hjic-2020-01
- keywords: hungary; industry; university; vehicles; workshop
- versions: original; plain text
- hjic-913
- author: Hollósi, János; Krecht, Rudolf; Markó, Norbert; Ballagi, Áron
- title: Improving the efficiency of neural networks with virtual training data
- date: 2020-07-06
- words: 3934
- flesch: 57
- summary: For road surface segmentation, five different datasets are created from the Cityscapes Dataset and our collec- tion of virtual images. Our goals are to use a minimum amount of data from a real-world dataset, and when the number of virtual images is changed, to observe how the efficiency of the neural networks is affected.
- keywords: architectures; autonomous; available; barriers; block; computer; convolutional; dataset; detection; different; dimensions; doi; e.g.; efficiency; environment; fcn; fig; figure; filters; images; industry; layers; mixed; models; networks; neural; number; object; protective; pspnet; racing; real; recognition; road; segmentation; shell; simulation; surface; tasks; track; training; use; virtual; virtual images; world
- versions: original; plain text
- hjic-916
- author: Unger, Miklós; Horváth, Ernő; Hajdu, Csaba
- title: LIDAR-based Collision-Free Space Estimation Approach
- date: 2020-07-06
- words: 3518
- flesch: 66
- summary: Clustering is the task of divid- ing the population or data points into a number of groups such that the data points in a group are more similar to other data points in the same group than to data points in other groups. Vertices are side points which form the simplified shape of a polygon.
- keywords: algorithm; autonomous; barriers; car; challenge; clustering; convex; data; delaunay; different; distance; doi; eco; environment; figure; free; hull; industry; lidar; line; marathon; model; number; points; ransac; real; reference; ros; sensors; set; shell; sides; simple; simulation; space; team; topics; track; triangulation; vehicles; voronoi
- versions: original; plain text
- hjic-917
- author: Csomós, Bence; Fodor, Dénes
- title: Identification of the material properties of an 18650 Li-ion battery for improving the electrochemical model used in cell testing
- date: 2020-07-06
- words: 5983
- flesch: 55
- summary: [11] Huang, J.: Diffusion impedance of electroactive ma- terials, electrolytic solutions and porous electrodes: Warburg impedance and beyond, Electrochim. The present paper shows that CPE – and its QPE form – is a recommended choice to yield the best fit in terms of non-Fickian diffusion impedance.
- keywords: bandwidth; batteries; battery; case; cdl; cell; changes; chemistry; circuit; coefficient; configurations; constant; cpe; current; data; different; diffusion; discharge; doi; eis; electrochemical; electrode; electrolyte; element; equivalent; fickian; fig; figure; finite; fit; form; frequency; functions; generalized; impedance; layer; length; lithium; low; material; measurements; mhz; model; modeling; non; nyquist; order; parameters; phase; plot; qpe; randles; rct; relaxation; resistance; results; soc; solid; spectroscopy; standard; table; tail; time; transfer; warburg; warburg impedance
- versions: original; plain text
- hjic-918
- author: Medve, Hunor; Fodor, Dénes
- title: Challenges of Localization Algorithms for Autonomous Driving
- date: 2020-07-06
- words: 5501
- flesch: 54
- summary: The main groups of information sources are the fol- lowing: https://doi.org/10.33927/hjic-2020-07 mailto:medve.hunor@mk.uni-pannon.hu 44 MEDVE ÉS FODOR Figure 1: The concept of information fusion • Global Navigation Satellite Systems (GNSS) • Traditional vehicle sensors: – Odometer – Wheel speed sensor – Steering angle sensor • Inertial Measurement Unit (IMU): – Accelerometer – Gyroscope • Optical, sound- and radio-based sensors: – Radar – Ultrasonic sensors – Vision sensors – LiDAR (Light Detection and Ranging) • A wide range of traditional vehicle sensors have already been installed in most vehicles, moreover, analogue mea- surements are already being processed digitally.
- keywords: accuracy; actual; algorithms; angle; applications; autonomous; available; complexity; computational; coordinates; covariance; data; density; doi; driver; driving; error; estimate; estimation; expected; filter; filtering; following; function; fusion; gnss; important; inertial; information; instant; kalman; k−1; localization; location; map; maps; measurement; model; navigation; noise; nonlinear; number; particle; position; posteriori; probability; process; radar; range; relative; satellite; sensors; signal; single; sources; speed; state; system; time; value; vehicle; x̂−k
- versions: original; plain text
- hjic-919
- author: Kohlrusz, Gábor; Fodor, Dénes
- title: Modeling of Autonomous EV Vector-Controlled Power Conversion System for Battery Management System Design
- date: 2020-07-06
- words: 4939
- flesch: 51
- summary: Keywords: electric power conversion system, autonomous vehicle, battery management, intercon- nected simulation 1. The simulated currents of the power conversion system with BMS as system level analysis of interactions between different system modules and components.
- keywords: algorithm; autonomous; battery; battery management; circuit; components; control; controller; conversion system; current; cycle; design; discrete; driving; electric; energy; environment; error; fig; figure; frequency; implementation; implemented; integral; loop; management; management system; measurement; method; model; modeling; motor; operation; order; parameters; performance; phase; pmsm; power; power conversion; power system; predictor; reference; signal; simulation; smith; speed; system; system model; testing; time; unit; value; vehicle
- versions: original; plain text
- hjic-92
- author: Gál, G.; Hanák, L.; Argyelán, J.; Strbka, A.; Szánya, T.
- title: Simulated Moving Bed (SMB) Separation of Pharmaceutical Enantiomers
- date: 2005-09-01
- words: 4265
- flesch: 63
- summary: RG OD SMB 02 RG OD SMB 03 RG OD SMB 04 E lu en t c on su m pt io n (m L el ue nt m g- 1 S )
- keywords: adsorption; calculated; chiral; chiralcel; chiralpak; chromatography; column; component; data; eluent; equipment; fig; flow; hetp; hexane; ipa; laboratory; liquid; m l; measurements; min; mixture; ml-1; ntp; number; packing; particle; phase; process; raffinate; results; rg od; separation; simulation; size; smb; software; table; theoretical; time; volume
- versions: original; plain text
- hjic-920
- author: Horváth, Barnabás; Szalai, István
- title: Nonlinear Magnetic Properties of Magnetic Fluids for Automotive Applications
- date: 2020-07-06
- words: 3018
- flesch: 46
- summary: The aim of our research was to develop a measuring system which is capable of determining the nonlinear AC sus- ceptibility of magnetic fluids at discrete frequencies and in the presence of a high-intensity driving magnetic field. Introduction Regarding automotive applications, one of the most im- portant characteristics of magnetic fluids is their behav- ior in magnetic fields.
- keywords: amplitude; coil; different; doi; driving; emg; ferrofluid; field; fluids; frequency; harmonics; he0; higher; khz; magnetic; magnetic field; magnetic fluids; magnetization; measured; measurements; measuring; method; nonlinear; nonlinear magnetic; nonlinear susceptibility; order; properties; real; relaxation; response; sample; strength; susceptibility; system
- versions: original; plain text
- hjic-921
- author: Decsi, Péter; Szalai, István
- title: Vibration Generator Device Based on Industrial Vibrators
- date: 2020-07-06
- words: 2377
- flesch: 63
- summary: Math. Model., 2017, 47, 400–424, DOI: 10.1016/j.apm.2017.02.035 [6] Yao, G.Z.; Yap, F.F.; Chen, G.; Li, W.H.; Yeo, S.H.: MR damper and its application for semi- active control of vehicle suspension system, Mecha- tronics, 2002, 12(7), 963–973, DOI: 10.1016/S0957- 4158(01)00032-0 [7] Carlson, J.D.: Our goal was to develop a low-cost piece of equipment for testing shock absorbers that is ca- pable of generating high frequencies (within an accept- able range for vehicles) and vibrations of low amplitude.
- keywords: able; amplitude; car; data; device; doi; eccentricity; fig; figure; force; frequency; generator; high; industrial; low; mass; model; modeling; motors; myrio; quarter; structure; suspension; system; test; vehicle; vibration; vibrators
- versions: original; plain text
- hjic-924
- author: Móricz, László; Szalai, István
- title: Optimizing the planning and manufacturing processes of electromagnetic energy harvesting equipment
- date: 2020-07-06
- words: 2343
- flesch: 53
- summary: Regarding energy harvesting systems for low fre- quency applications, the possibilities of frequency up- conversion are introduced and achieved in different ways. Keywords: energy harvesting, induced voltage, vibration, linear generator, energy 1.
- keywords: coil; design; doi; efficiency; electromagnetic; energy; energy harvesting; experiments; external; external resistance; fig; figure; frequency; generator; harvesting; induced; internal; linear; load; low; maximum; number; power; process; resistance; results; structure; system; turns; voltage
- versions: original; plain text
- hjic-925
- author: Busznyák, Tibor; Lakatos, István
- title: Examination of fuel consumption factors, basics of precision and on-board diagnostic measurements
- date: 2020-07-06
- words: 3439
- flesch: 57
- summary: In statistical works, fuel consumption data require that the energy consumption of vehicles be analyzed correctly. Variables which affect fuel consumption during a given drive are defined. Can a connection between elevation data from global positioning and fuel consumption data from on-board diagnostics at a constant or various speeds be identified? 2.
- keywords: acceleration; analysis; board; coefficient; connection; constant; consumption; data; demand; diagnostics; diagram; different; doi; drive; efficiency; energy; examination; external; fig; figure; fuel; function; gradient; information; internal; matlab; obd; paper; positioning; possible; power; resistance; road; rolling; systems; table; traffic; values; variables; vehicle; velocities; velocity; work
- versions: original; plain text
- hjic-926
- author: Fertig, Dávid; Boda, Dezső; Szalai, István
- title: Brownian dynamics simulation of chain formation in electrorheological fluids
- date: 2020-07-06
- words: 9404
- flesch: 64
- summary: Chain length distribution averaged over three time intervals at the beginning (10,000 < t∗ < 25,000), in the middle (25,000 < t∗ < 65,000), and at the end (65,000 < t∗ < 100,000) of chain formation. 95–107 (2020) hjic.mk.uni-pannon.hu DOI: 10.33927/hjic-2020-15 BROWNIAN DYNAMICS SIMULATION OF CHAIN FORMATION IN ELEC- TRORHEOLOGICAL FLUIDS DÁVID FERTIG*1 , DEZSŐ BODA1 , AND ISTVÁN SZALAI2,3 1Department of Physical Chemistry, University of Pannonia, Egyetem u. 10, Veszprém, 8200, HUNGARY 2Institute of Physics and Mechatronics, University of Pannonia, Egyetem u. 10, Veszprém, 8200, HUNGARY 3Institute of Mechatronics Engineering and Research, University of Pannonia, Gasparich Márk u. 18/A, Zalaegerszeg, 8900, HUNGARY Brownian dynamics (BD) simulations based on a novel Langevin integrator algorithm are used to simulate the dynamics of chain formation in electrorheological (ER) fluids that are non-conducting solid particles suspended in a liquid that has a dielectric constant different from that of the ER particles.
- keywords: absence; average; behavior; block; boda; brownian; chain; chain formation; chain length; change; chemistry; coefficient; computer; constant; core; definition; diameter; different; diffusion; dipole; distance; distribution; doi; dynamics; effect; electric; electrorheological; energy; field; fig; figure; fluid; force; formation; friction; functions; geometrical; https://youtu.be/owxsuz6p0w4; industry; interaction; langevin; large; length; longer; moment; motion; number; panel; parameters; particles; phys; physical; point; polarization; position; potential; p∗)2; quantities; quantity; reduced; results; rev; rij; simulation; smaller; solvent; sphere; step; structure; study; system; szalai; table; thermal; time; units; value; viscosity; way; εlj; ∆t∗
- versions: original; plain text
- hjic-927
- author: Szalay, István; Enisz, Krisztián; Medve, Hunor; Fodor, Dénes
- title: Localization accuracy improvement of autonomous vehicles using sensor fusion and extended Kalman filter
- date: 2020-07-06
- words: 3891
- flesch: 52
- summary: The aim of the localization algorithm is to estimate the current position (x and y coordinates) and heading (yaw angle ψ) of the vehicle by fusing GPS measurements with dead reckoning based on vehicle sensor signals. The simplest and most practical solution is to https://doi.org/10.33927/hjic-2020-16 mailto:szalay.istvan@mk.uni-pannon.hu 110 SZALAY, ENISZ, MEDVE, AND FODOR XE YE ~r0 ∆~r1 ∆~r2 t0TS x0 u0 noise f ( x0,u0,p0 ) = y1 = h ( x1,u1,m1 ) 1TS x1 u1 noise f ( x1,u1,p1 ) = y2 = h ( x2,u2,m2 ) 2TS x2 u2 noise Figure 1: Dead reckoning steps and propagation of the system state formulate the system model in a way that produces the true-position and heading state variables, the input vari- ables of vehicle sensor signals and the outputs of GPS signals.
- keywords: acceleration; accuracy; algorithm; angle; autonomous; average; cos; dead; displacement; distance; doi; dynamics; error; estimation; extended; fig; figure; filter; form; gps; ieee; integrated; integration; kalman; kalman filter; lateral; localization; maneuvers; measurement; model; navigation; noise; observations; path; position; reckoning; sensors; signals; simulation; single; space; speed; state; system; test; time; track; vector; vehicle; velocity; wheel; yaw; ψk−1
- versions: original; plain text
- hjic-928
- author: Speiser, Ferenc; Enisz, Krisztián; Fodor, Dénes
- title: Geospatial Data Manipulation Supporting the Implementation of Driving Simulation Environments
- date: 2020-07-06
- words: 2991
- flesch: 51
- summary: The main advantage of the proposed framework is that if some kind of road network data is available from an area, it is possible to convert it into a road-description format. This paper describes a way of gathering and converting road network information from Open- StreetMap into OpenDRIVE format.
- keywords: available; components; conversion; coordinate; data; databases; description; development; different; driving; dyna4; environment; fig; file; formats; geographic; geospatial; gis; goal; information; life; location; map; model; navigation; necessary; networks; opendrive; openstreetmap; processing; real; road; signs; simulation; software; source; standard; systems; test; testing; track; traffic; transformation; vehicle
- versions: original; plain text
- hjic-93
- author: Keil, F. J.; Flügge, U.
- title: High Performance Catalytic Tubular Membrane Reactors Owing to Forced Convective Flow Operation
- date: 2005-09-01
- words: 6814
- flesch: 68
- summary: Palladium membranes were the first to be used in catalytic membrane reactor applications because of their specific H2 permselectivity. Keywords: Membrane reactor, forced convective flow, short-contact-time reactor, hydrogen peroxide decomposition *Contact information: E-mail: keil@tu-harburg.de Introduction Membrane reactors combine reaction and separation in a single unit operation.
- keywords: + =; + ∂; = ∂; alumina; annulus; axial; balance; bar; calculated; carbon; catalyst; catalytic; coefficient; concentration; constant; contact; content; convective; conversion; decomposition; diameter; fig; flow; flux; fluxes; function; h2o2; high; higher; immobilization; inlet; inner; kinetics; length; load; mass; material; maximum; means; membrane; model; mol; mole; nabh4; naoh; number; operation; order; outer; palladium; permeate; pore; pressure; radial; reaction; reactor; reduction; results; table; temperature; time; tube; tubular; value; volume; water; wt-%; ∂ +; ∂ =; ∂ r; ∂ ∂; ∂ −; − ∂
- versions: original; plain text
- hjic-930
- author: Suta, Alex; Tóth, Árpád
- title: XBRL utilization as an automated industry analysis
- date: 2020-07-06
- words: 5593
- flesch: 42
- summary: Being a driver of electronic data interchange, XBRL data sets are constructed from multiple identifying tags and numerical data that can be processed by computer software [3]. Data collection and methods used The SEC has published XBRL data sets containing raw aggregate financial statement data quarterly since 2009.
- keywords: accounting; analysis; approach; assets; automotive; available; business; chain; chi; classification; codes; companies; data; differences; different; doi; economics; edgar; electronic; entities; equity; exchange; expected; financial; industrial; industrial classification; industry; information; international; items; journal; level; literature; market; multi; naics; net; number; observed; oems; online; population; pro; production; profit; reporting; reports; research; results; revenue; review; sales; sec; securities; sic; significant; sources; specific; square; standard; statement; statistical; study; suppliers; supply; supply chain; system; table; terms; tiers; total; u.s; use; values; xbrl; xbrl data
- versions: original; plain text
- hjic-933
- author: Škobalj, D.; Zavargó, Z.; Juhász, L.
- title: WATER TEMPERATURE DISTRIBUTION IN A VERTICAL CROSS-SECTION OF A WET COUNTERFLOW COOLING TOWER
- date: 2002-10-12
- words: 2229
- flesch: 66
- summary: Water temperature distribution in the investigated wet counterflow cooling tower mw = 13.27 kgls; rna = 19.30 kg/s; n = 975rpm; twb = 9.0°C t in the distributor t in the fill t under the fill t in the basin CSl tl1=22.sooc t12 = disconnected tJj= 16.00°C tu= 15.00°C Vertical cross-sections CS2 CS3 tu =23.00°C t22 = 19.00°C t23 = 18.50°C tu= 16.00°C t11 = 18.25°C t32 KLENKE W.: Heat and Mass Transfer at Evapora- tive Cooling and Testing of Cooling Towers (in German), Diss.
- keywords: air; basin; cooling; counterflow; cross; cs1; cs2; cs3; cs4; distribution; drop; enthalpy; fill; heat; investigated; mass; merkel; number; page; results; section; table; temperature; theory; tower; transfer; type; vertical; water; wet; zone
- versions: original; plain text
- hjic-934
- author: Şuteu, D.; Bîlbă, D.; Zaharia, C.
- title: KINETIC STUDY OF BLUE M–EB DYE SORPTION ON ION EXCHANGE RESINS
- date: 2002-10-12
- words: 2628
- flesch: 60
- summary: The values of activation energy (Table 3) have confirmed the diffusion nature of dye sorption. Conclusions Research on the kinetics of Blue M-EB reactive dye sorption by using Purolite anion exchangers of both gel and macroporous structures has resulted in the conclusion that dye sorption is limited by intraparticle diffusion and follows moving - boundary behavior.
- keywords: a-500; a500; activation; blue; blue m; chern; coefficient; concentration; different; diffusion; dye; dyes; equation; equilibrium; exchange; film; initial; kinetic; macroporous; min; model; page; particle; process; purolite; rate; reactive; resins; solution; sorption; study; suteu; table; temperature; test; time; type; values
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- hjic-935
- author: Boyadjiev, C.
- title: ON THE NON-LINEAR MASS TRANSFER THEORY
- date: 2002-10-12
- words: 3709
- flesch: 63
- summary: From (34) it is seen that in the systems with an intensive interphase mass transfer the normal component of the velocity differs from zero (as in the systems with linear mass transfer), and depends on the concentration of the transferred substance, i.e. the convection- diffusion equation is non linear. Keywords: non-linear effects, Stephan flow, Marangoni effect Introduction A theoretical analysis of non-linear mass transfer has been developed in [1].
- keywords: boundary; boyadjiev; case; chemical; component; concentration; conditions; diffusion; effect; equation; flow; gas; gradients; heterogenic; induced; interface; interphase; large; linear; linear mass; liquid; marangoni; mass; mass transfer; mixture; molar; non; phase; rate; reaction; result; secondary; solid; stephan; substances; systems; transfer; velocity; volume
- versions: original; plain text
- hjic-936
- author: Varga, E.; Kádár, Z.; Schuster, K. C.; Gapes, J. R.; Szengyel, Z.; Réczey, K.
- title: POSSIBLE SUBSTRATES FOR ACETONE–BUTANOL AND ETHANOL FERMENTATION BASED ON ORGANIC BY-PRODUCTS
- date: 2002-10-12
- words: 4198
- flesch: 55
- summary: Their conversion values are low~ therefore they cannot be recommended as ABE fermentation substrates based on these results despite their potentially high carbohydrate contents. Selected substrates should also be tested in practical hydrolysis and fermentation experiments.
- keywords: abe; abe fermentation; acetone; acid; agricultural; amounts; apple; apricot; available; biomass; butanol; carbohydrate; concentration; content; conversion; dry; enzymatic; ethanol; experiments; fermentation; fruit; g/1; gapes; gil; glucose; high; hungary; hydrolysis; industry; juice; matter; maximum; medium; nutrients; page; peach; processing; production; products; pulp; residues; results; samples; soluble; solvent; substrates; sugar; supplemented; table; technology; tomato; wastes; whey; yeast; yields
- versions: original; plain text
- hjic-937
- author: Sowa, I.; Kocjan, R.; Świeboda, R.
- title: A CHELATE SORBENT PREPARED BY THE MODIFICATION OF LICHROPREP RP-8 WITH TITAN YELLOW AND ITS APPLICATION
- date: 2002-10-12
- words: 2774
- flesch: 59
- summary: In effect, the carrier surface is isolated from the aqueous bulk phase and the chelating groups are outside the< double layer, capable of binding metal ions in the bulk aqueous solution. The new chelating sorbent for metal ions was prepared by impregnation of chemically modified silica LiChroprep RP-8 with ion pairs composed of cation of Aliquat 336 and anion of Titan Yellow.
- keywords: acids; aliquat; amounts; analytical; anion; applied; aqueous; basis; carrier; cation; chelating; chloroform; column; concentration; elution; grade; ion; ions; lichroprep; manner; metal; mol; pairs; plain; prepared; reagents; rp-8; silica; solutions; sorbent; sulfonated; surface; titan; titan yellow; trace; yellow
- versions: original; plain text
- hjic-938
- author: Sutiman, D.; Vizitiu, M.
- title: THE INFLUENCE OF WATER CONCENTRATION ON THE CORROSION OF LOW ALLOY STEELS IN THE SYSTEM METHANOL – ETHYLENE GLYCOL – ACETIC ACID
- date: 2002-10-12
- words: 2002
- flesch: 66
- summary: The behaviour of three types of steel with a variable carbon content (from 0.2 to 0.4%) is studied in medium of methanol - 10% ethylene glycol - 5% acetic acid with water concentration between 1% to 5%. for every value of water concentration.
- keywords: acetic; acid; chemical; composition; compounds; concentration; corrosion; curves; ethylene; glycol; h20; hzo; iron; layer; medium; metallic; methanol; organic; oxygen; process; steel; surface; system; table; types; value; variable; water
- versions: original; plain text
- hjic-939
- author: Sutiman, D.; Cailean, V.
- title: THE INFLUENCE OF WATER CONCENTRATION ON THE CORROSION OF LOW ALLOY STEELS IN THE SYSTEM METHANOL – ETHYLENE GLYCOL – n-BUTIRIC ACID
- date: 2002-10-12
- words: 1841
- flesch: 64
- summary: The behaviour of three types of steel with a variable carbon content (from 0,2 to 0,4 % ) is studied in medium of methanol- 10% ethylene glycol- 5% n-butiric acid with water concentration between 1% to 5 % . Introduction This paper is a continuation of studies of the corrosion behaviour of low alloy steel types in methanol medium and/or ethylene glycol, having as corrosion reagent, saturated mono- and di-carboxyl organic acids
- keywords: acid; butiric; chemical; composition; compounds; concentration; corrosion; curves; ethylene; final; glycol; h20; metallic; methanol; process; spectra; steel; surface; sutiman; system; table; types; values; water; weight
- versions: original; plain text
- hjic-94
- author: Matusek, A.; Czukor, B.; Mérész, P.; Örsi, F.
- title: Mathematical Modelling in Osmotic Dehydration
- date: 2005-09-01
- words: 3810
- flesch: 57
- summary: The correlation analysis for measured and calculated values gives higher coefficient for water diffusion regarding to the better deviation attribute of the moisture determination, but the deviation attribute of the refraction is lower, as higher the standard error of prediction (SEP). The rate of mass transport depends upon many factors such as concentration, temperature and the kind of osmotic solution, time of treatment, level of agitation, sample-to-solution ratio, vacuum level and different pre-treatments if applied.
- keywords: apparent; apple; calculated; coefficient; concentration; content; crank; data; dehydration; diffusion; engineering; equation; fick; food; fos; function; initial; journal; law; loss; mass; model; moisture; osmotic; process; relationship; salvatori; sample; solid; soluble; solution; technology; time; total; transfer; transport; values; water; ∂ ∂
- versions: original; plain text
- hjic-940
- author: Petrescu, S.; Bacaoanu, A.
- title: LIQUID-SOLID HEAT TRANSFER WITH THE PHASE-CHANGE OF SOLID
- date: 2002-10-12
- words: 2189
- flesch: 59
- summary: Keywords: melting, heat transfer, heat transfer coefficient, melting rate Introduction Technical literature provides a large onumber of papers regarding the heat transfer in liquid - solid systems. 0.()2 290 300 310 320 T(K} Fig.4 Temperature influence on melting rate 500 400 290 300 310 320 T{K) Fig.
- keywords: coefficient; data; degree; duration; experimental; heat; heat transfer; ice; liquid; mass; mathematical; medium; melting; model; particle; phase; process; proposed; radius; rate; results; solid; solution; spherical; temperature; time; transfer; values; water
- versions: original; plain text
- hjic-941
- author: Hu, X.; Békássy-Molnár, E.; Vatai, G.
- title: CHARACTERIZATION OF GEL CONCENTRATION IN ULTRAFILTRATION OF OIL-IN-WATER EMULSION
- date: 2002-10-12
- words: 3215
- flesch: 65
- summary: The model includes the following influence factors: transmembrane pressure, feed concentration, mass transfer coefficient, membrane resistance and so on. Evaluation of Experimental Results Calculations of membrane resistance and gel layer resistance As an example, Fig.2, which plotted the flux with time for different UF membranes f 4 ], was selected to characterize the relationship between liJw and V.
- keywords: 055a; coefficient; concentration; conditions; critical; different; emulsion; eq.(2; equation; experimental; feed; flux; following; gel; gel concentration; gel layer; layer; membrane; membrane surface; oil; page; permeate; permeate flux; polarization; pressure; relation; resistance; results; sci; solute; solution; surface; time; transmembrane; ultrafiltration; vol; water
- versions: original; plain text
- hjic-942
- author: Petrila, C.; Curteanu, S.
- title: PARAMETRIC SENSITIVITY OF FREE RADICAL POLYMERIZATION ASSOCIATED WITH GEL AND GLASS EFFECTS
- date: 2002-10-12
- words: 3962
- flesch: 58
- summary: Using a calculus based on sensitivity functions, the quantitative estimation of the parameter influence on the system state and output variables are made. The variation in time of sensitivity functions s~P,.
- keywords: absolute; calculus; chain; concentration; constants; conversion; curves; decrease; degrees; effect; eng; functions; gel; gel effect; glass; important; increase; influence; initial; initiator; kinetic; maximum; min; model; monomer; negative; numerical; output; page; parameters; parametric; parametric sensitivity; polymerization; positive; process; propagation; reaction; results; sci; sensitivities; sensitivity; state; system; temperature; termination; time; values; variables; variation
- versions: original; plain text
- hjic-943
- author: Leitold, A.; Hangos, K. M.
- title: EFFECT OF STEADY STATE ASSUMPTION ON THE STRUCTURAL SOLVABILITY OF DYNAMIC PROCESS MODELS
- date: 2002-10-12
- words: 7446
- flesch: 59
- summary: Keywords: process models, DAE models, differential index, solvability, structural analysis, steady state assumption Introduction Lumped process models are in the form of differential- algebraic equations which are sometimes difficult to solve numerically due to index and stiffness problems. to elllighten the importance and significance of analyzmg the solvability properties of process models and the effect of modelling thereon we should recaJJ ~at modelling is one of the key and most labour..consumm.g activity in process system engineering serving as a b~sts for process flowsheeting, process control, fault detection and diagnosis.
- keywords: algebraic; analysis; assume; assumption; case; complete; corresponding; dae; derivative; differential; differential index; dynamic; effect; energy; equal; equations; example; explicit; following; follows; form; graph; index; initial; internal; label; linking; liquid; menger; model; model specification; modified; original; process; reduced; representation; representation graph; semi; solvability; solvable; specification; standard; state; static; steady; steady state; step; structural; system; time; type; type complete; underspecified; unknown; value; variable; vertex; vertices
- versions: original; plain text
- hjic-944
- author: Kelemen, A.; Szöllősi, A.; Zsótér, A.; Pintye-Hódi, K.; Török, C.; Erős, I.
- title: MEASUREMENT OF THE SWELLING FORCE OF SOME SODIUM STARCH GLYCOLATE PRODUCTS WITH NEW SOFTWARE
- date: 2002-10-12
- words: 2574
- flesch: 69
- summary: .-u SF= swelling force (where the vertical measuring line is); BL = basic line; SFmax = maximum value in swelling force; T(63.2) =characteristic swelling time; dsF/dt =the speed of changing of force (where the vertical measuring line is) Fig.3 Swelliilg force profile (1) and nonlinear fitting according to RRSBW equation (Pressure force: 5 kN) 12.36 .. , I 6.18 Fil• n-: $$02-15.002 (1} ssoo -11; ooa 121 es~-11.00~ (3) 0 (1) Keywords: disintegrant, swelling force, force-time curve, characteristic swelling time Introduction Disintegrants are always added to conventional tablets in order to promote the break-up of the tablets when they are placed in an aqueous environment.
- keywords: characteristic; comprimates; content; degree; different; disintegrants; disintegration; equipment; force; increase; line; maximum; measurement; measuring; o.ooo; pharm; possible; pressure; process; sodium; software; ssg; ssg2; ssg3; ssg4; ssg5; ssg6; starch; swelling; tablet; time; vertical; water
- versions: original; plain text
- hjic-945
- author: Swamy, K. M.; Keil, F. J.
- title: FINE BUBBLE GENERATION IN A COLUMN REACTOR BY PLACEMENT OF A DIAPHRAGM ACROSS A LOW FREQUENCY SOUND FIELD
- date: 2002-10-12
- words: 1728
- flesch: 68
- summary: Keywords: Bubble generation, diaphragm, column reactor, sound field Introduction Fast reactions in bubble columns are mass transfer controlled. In the present mvestlgation, through placement of a diaphragm across a sound field, bubble sizes were further reduced by about 8.3%.
- keywords: area; bubble; camera; chern; cloth; column; copper; diameter; diaphragm; distribution; eng; fast; field; filter; fine; frequency; gas; liquid; low; mass; new; plate; reactions; size; sound; transfer; vibrator; volume
- versions: original; plain text
- hjic-946
- author: Serbula, S. M. ; Stanković, V. D.; Antonijević, M. M.
- title: PRESSURE DROP IN ELECTROCHEMICAL CELL WITH FIXED BED
- date: 2002-10-12
- words: 4502
- flesch: 66
- summary: If Eqs.(8) and (4) are devided, we get the influence of gas phase on relative pressure drop: 150· c;w,,u,[I + 2,5(1 ~tp~)J + 1,75c;wifp8qJ, + (1-tp,)pJ !: + + 0.5 +---+--+----t---+----+--+--1--~ 10 12 14 16 't (min.) Fig.2 Dependence of relative pressure drop on time for different electrolyte velocities (current density i:::: 100 AJm2 and diameter of glass particles d=2 mm) 0.0058 - 0.03 m/s).
- keywords: bed; bubbles; cathode; change; channels; characteristics; chern; column; constant; current; density; dependence; diameter; drop; electrolyte; electrolyte velocity; eng; evolution; fixed; flow; fluidisation; gas; glass; higher; hold; hydrogen; increase; influence; liquid; particles; phase; pressure; pressure drop; relative; relative pressure; size; state; time; value; velocities; velocity; way
- versions: original; plain text
- hjic-947
- author: Yotova, L.; Tsibranska, I.; Lalov, I.; Karsheva, M.; Krysteva, M.
- title: KINETIC STUDY AND MATHEMATICAL MODELLING OF GROWTH OF ARTHROBACTER OXYDANS CELLS COVALENTLY IMMOBILIZED ON CELLULOSE GRANULES
- date: 2002-10-12
- words: 3854
- flesch: 60
- summary: Analytical procedures Measurement of cell growth Biomass of free cells and those, produced by immobilized cells was measured spectrophotometrically at 600 nm wave length (Perkin- Elmer spectrophotometer, Lambda 2, Germany). The kinetics of covalently immobilized cells' growth in comparison with that of free cells was studied experimentally and numerically.
- keywords: arthrobacter; binding; cells; cellulose; coefficient; comparison; concentration; covalent; curves; data; different; dry; experimental; free; free cells; glucose; granules; growth; hours; immobilization; immobilized; immobilized cells; initial; kinetic; mass; mathematical; medium; model; monod; new; numerical; nutrient; ones; oxydans; page; parameters; phase; reaction; reactor; results; sodium; specific; substrate; time,(h; transfer; urea; utilization; values; water; x(t
- versions: original; plain text
- hjic-948
- author: Seikova, I.; Mintchev, A.
- title: VARYING POROSITY KINETIC MODEL FOR DIRECT AND REACTIVE SOLID-LIQUID EXTRACTION
- date: 2002-10-12
- words: 4575
- flesch: 55
- summary: I Fitted values for model parameters in case of constant or varying porosity Plant radix samples Plant leaves samples reactive extraction direct extraction reactive extraction direct extraction eu-f(rJ En-canst ep-{(y) kn I02 s1 1.89 1.16 Deff,lOiomzs-1 1.32 0.78 1.45 a(Eq.l7) 2.6 2.3 Th 4.6-3.6 4.72 obtained is shown by the points in Figs.7 and 8. kg mass of inert compounds in the solid phase, kg mass of extracted compounds, kg mass of extracted compounds per unit of dried solid, kg kg-1 101 mst common mass of solid phase, impregnated with solvent, kg mss mass of solid phase after removing solvent excess, kg r radial coordinate, m Rv volume reaction rate, kg m-3 s-1 Rs particle radius, m
- keywords: alkaloids; changes; chemical; compounds; concentration; conditions; constant; deff; different; diffusion; diffusivity; direct; direct extraction; effective; equation; experimental; extractable; extraction; following; increase; inert; initial; kinetics; leaves; liquid; lower; mass; model; non; page; particle; penetration; phase; plant; polar; pore; porosity; porosity increase; porous; process; radix; rate; reaction; reactive; reactive extraction; recovery; regime; s-1; samples; solid; solid phase; solute; solvent; structure; time; total; values; volume
- versions: original; plain text
- hjic-949
- author: Boyadjiev, C.
- title: ON THE PURIFICATION OF GASES CONTAINING IMPURITIES OF SMALL CONCENTRATION
- date: 2002-10-12
- words: 1413
- flesch: 65
- summary: A.h increasing of the column height, (m) 1 chemisorption rate, (kg/ s) j k volume chemisorption rate, (kg/ s.m3 active zone) volume mass transfer coefficient, (m3 gas/ s.m3 active zone) surface mass transfer coefficient, (m3 gas/ s.m2 mass transfer surface) L u Q s u v A.V 1] 8.cp 105 stoichiometric quantity of the liquid phase, (m 3 /s) real quantity of the liquid phase, (m 3 /s) relative increasing of the liquid flow rate, (m3 /s) gas flow rate, (m 3 / s) specific mass transfer surface, (m 2 mass transfer surface/ m 3 active zone) gas velocity, (m/ s) active zone volume, (m3 ) increasing active zone volume, (m3 ) purification degree, (%) pressure drops, mm H 20 REFERENCES 1. Absorption If a gas of Q(m3 Is) flow rate has to be purified from its impurity with concentration of C (kg I m3 gas) in a packed column (diameter d (m) and a height of the active zone h (m), height of the packing).
- keywords: absorption; active; chemisorption; coefficient; column; concentration; gas; height; liquid; mass; phase; rate; surface; transfer; volume; zone
- versions: original; plain text
- hjic-95
- author: Lakatos, B. G.; Moldoványi, N.
- title: Stability and Bifurcation of Continuous Cooling Crystallizers
- date: 2005-09-01
- words: 4509
- flesch: 54
- summary: All these properties, as well as the interactions between the kinetics, fluid dynamics and crystal size distribution may give rise to different complexities in both the steady state and dynamic beha-viour of continuous crystallizers, a deeper understand-ing of which is important in relation to both the crystal- lization process itself, and to the operation, control, and design of industrial crystallizers. Simulation studies concerned with the steady state multiplicity and stability patterns, as well as with the dynamic behaviour of cooling crystallizers allow us to conclude that continuous crystallizers have a broad range of complex behaviour in both the steady and dy-namic states.
- keywords: = =; analysis; balance; behaviour; bifurcation; boundary; case; causal; chemical; concentration; conditions; continuous; cooling; crystallization; crystallizer; crystals; cycle; dab; dependent; diagram; dimensionless; dynamic; engineering; equation; feedback; function; growth; initial; jacobian; limit; loop; matrix; means; mikhailov; model; moment; negative; nucleation; oscillations; parameter; population; positive; primary; process; rate; region; secondary; set; size; space; stability; stable; state; steady; system; temperature; variables; washout
- versions: original; plain text
- hjic-950
- author: Diaconescu, R.; Tudose, R. Z.
- title: THE COMPUTER ASSISTED SYNTHESIS FOR OPTIMAL HEAT EXCHANGER NETWORK AT STYRENE POLYMERISATION
- date: 2002-10-12
- words: 4407
- flesch: 61
- summary: p~:S~:e 2 119.6 0.00144 3'179. 103 111.96 0.625 6.64 1.66·107 Cnm:.ofoptiwizatednetwork: 1.26 .10'u.c, Fig.2 Optimal heat exchanger network for polystyrene manufacturing by bulk polymerisation The described synthesis algorithm has been implemented in MathCAD 2000 Professional. Key words: heat exchanger, network synthesis, styrene polymerisation, and thermal regime Introduction The heat exchanger network synthesis has two main objectives: the determination of the maximum heat amount which can be recovered from process, respectively, the obtaining of the heat exchanger network realizing the minimum cost.
- keywords: agent; balance; bulk; calculation; coefficient; continuous; cooling; cost; exchanger network; exchangers; flow; heat; heat exchanger; heat transfer; heating; inlet; j reactor; mass; needed; network; optimal; optimal heat; outlet; plug; polymerisation; polystyrene; problem; reaction; reaction mass; reactor; reactor network; regime; required; results; styrene; synthesis; system; table; temperature; thermal; thermal balance; thermal regime; transfer; water; ° c
- versions: original; plain text
- hjic-951
- author: Pisko, M.; Náhlík, J.; Hanta, V.
- title: INSTRUMENTATION AND CONTROL OF INDUSTRIAL WASTEWATER TREATMENT PROCESSES
- date: 2002-10-12
- words: 3516
- flesch: 45
- summary: This, in combination with increasing loads, and limited availability of resources, calls for efficient methods of wastewater treatment processes. Thermophilic aerobic treatment systems
- keywords: 28(11; aerobic; anaerobic; artificial; biological; biomass; bod; chemical; cod; concentration; conditions; contaminants; control; conventional; data; demand; different; expert; failure; flow; foaming; fuzzy; growth; high; important; industrial; intelligence; knowledge; line; measurement; methods; modelling; nitrogen; organics; oxygen; page; phase; phosphorus; plant; process; processes; quality; rate; respirometry; sci; secondary; sludge; sludge process; solids; suspended; systems; tech; temperature; thermophilic; time; treatment; usa; use; wastewater; wastewater treatment
- versions: original; plain text
- hjic-953
- author: Szoke, S.; Pátzay, G.; Weiser, L.
- title: DEVELOPMENT FOR SELECTIVE CESIUM REMOVAL FROM THE EVAPORATION CONCENTRATES OF THE PWR PAKS
- date: 2002-10-12
- words: 2355
- flesch: 53
- summary: copper and cobalt- KCoFC) are selective cesium ion exchangers. The volume reduction technologies like selective ion exchange for cesium and the ultrafiltration for cobalt may reduce the volume of the liquid waste and the burial costs.
- keywords: adsorption; breakthrough; capacity; carbon; cesium; cm3; cobalt; complex; concentrate; dehydration; effect; evaporation; exchanger; experiments; filter; filtration; granular; ion; laboratory; method; nickel; paks; potassium; preparation; processes; pwr; removal; results; selective; sodium; solution; sorbent; table; temperature; time; ultrafiltration; volume; waste
- versions: original; plain text
- hjic-954
- author: Pristovnik, A.; Lipuš , L. Č.; Krope , A.; Krope , J.
- title: THE SIMULATION OF CLUSTER FORMATION PROCESS IN FINE PARTICLES DISPERSION UNDER THE INFLUENCE OF EXTERNAL MAGNETIC FIELD
- date: 2002-10-12
- words: 2565
- flesch: 59
- summary: PRJSTOVNIK A. J.: Configuration and formation of clusters from dispersion particles during the magnetic water treatment, Draft of Doctoral Dissertation, University of Maribor, Faculty of Chemistry and Chemical Engineering, unpublished work, 2001 9. The presented model is based on the Monte Carlo Metropolis [4,13] method and bas been used to investigate the properties of colloid particle dispersion in water under the influence of magnetic field [:2,3,5,6,7].
- keywords: analysis; carlo; cell; chemical; cluster; colloid; colloidal; computer; conditions; devices; different; dispersion; energy; external; field; formation; interaction; magnetic; magnetic field; method; model; monte; mwt; particles; position; process; results; scale; simulation; spherical; system; total; treatment; water
- versions: original; plain text
- hjic-955
- author: Angelov , G.; Gourdon , C.
- title: STUDY ON THE TURBULENCE IN PULSED STAGEWISE EXTRACTION COLUMNS: TURBULENT MACROSCALE
- date: 2002-10-12
- words: 3315
- flesch: 58
- summary: The distribution of turbulent macroscale L over the stage is determined as depending on stage geometry and Re number. Results and Discussion The results for turbulent macroscale L are obtained by simulation of incompressible Newtonian liquid flowing in a typical stage at various flow regimes and variable stage geometry.
- keywords: apparatus; area; case; column; correlation; diameter; different; discs; distance; distribution; eddies; energy; extraction; flow; free; geometry; gourdon; hollow; influence; interplate; kinetic; large; lmax; macroscale; maximal; mean; model; number; page; parameters; pulsation; pulsed; regime; results; rings; size; stage; toulouse; turbulent; turbulent macroscale; values; velocity; zones
- versions: original; plain text
- hjic-956
- author: Bajdik , J.; Pintye-Hódi, K.; Regdon jr., G.; Haasner , T.; Szabó-Révész, P.; Ulrich , J.; Erős , I.
- title: EFFECT OF COATING ON THE FLOW, WETTING AND DISSOLUTION FOR DIMENHYDRINATE CRYSTALS
- date: 2002-10-12
- words: 3690
- flesch: 63
- summary: Conclusion The coating of dimenhydrinate crystals improved the low-flow properties of the original particles. S DSC curve of uncoated crystals r- ~L----G~r------~ Melting peak- Fig.6 DSC curve of coated crystals (Dim 2) (Figs.5 and 6).
- keywords: angle; apparatus; characteristic; coated; coating; contact; crystals; determination; different; dimenhydrinate; dissolution; distilled; drug; dsc; eros; experiments; film; flow; gastric; heat; increase; ind; material; melting; parameters; particles; pharm; pintye; point; polymer; pressure; properties; quantity; regression; sample; size; solid; soluble; study; surface; table; tablets; test; time; uptake; water; wetting
- versions: original; plain text
- hjic-957
- author: Szitkai , Z.; Msiza , A. K.; Fraser , D. M.; Rév, E.; Lelkes , Z.; Fonyó , Z.
- title: COMPARISON OF MATHEMATICAL PROGRAMMING AND PINCH-BASED TECHNIQUES FOR MASS EXCHANGE NETWORK SYNTHESIS
- date: 2002-10-12
- words: 4348
- flesch: 60
- summary: After dealing with practical problems of the mathematical programming methods, the last part of this paper presents MINLP solutions for thirteen example problems solved with pinch methodology by Hallale [7]. MINLP solutions of examples 3.3, 4.1 are significantly better (17.8 % and 16.8 % cheaper) than the corresponding pinch solutions, while in the case of example 3.1 the advanced pinch solution proved to be 17.6% cheaper. .
- keywords: advanced; annual; capital; comeaux; convex; cost; costing; design; equation; example; exchange; feasible; fraser; function; hallale; initial; insight; integer; kremser; linear; mass; mathematical; mens; method; minlp; model; network; non; number; objective; optimisation; papalexandri; pinch; problem; process; programming; simple; solution; stages; superstructure; synthesis; table; tac; techniques; total; usd; values; variables
- versions: original; plain text
- hjic-958
- author: Zagrouba , F.; Mihoubi , D.; Bellagi , A.; Szalay , A.
- title: KINETICS AND CHARACTERISTIC CURVE FOR CONVECTIVE AND INFRA-RED CONDITIONS DURING DRYING OF CLAY
- date: 2002-10-12
- words: 3227
- flesch: 61
- summary: KETELAARS attributes this difficulty to the fact that drying curves are sensitive to the moisture concentration dependency of the diffusion coefficient in a limited range. The concept of characteristic drying curve was checked in order to an overall expression of the drying kinetics.
- keywords: air; analogy; case; characteristic; clay; coefficient; constant; content; convective; curves; diffusion; drying; effect; energy; experimental; flux; heat; heating; humidity; increase; influence; infra; kinetics; mass; material; moisture; page; period; product; radiation; rate; rays; red; results; sample; sechage; study; surface; table; temperature; tests; time; transfer; values; water
- versions: original; plain text
- hjic-96
- author: Pach, F. P.; Szeifert, F.; Németh, S.; Árva, P.; Abonyi, J.
- title: Fuzzy Association Rule Mining for Data Driven Analysis of Dynamical Systems
- date: 2005-09-01
- words: 6790
- flesch: 61
- summary: Keywords: process modeling, model structure selection, association rules, rule base systems, polymerization Introduction In process modeling the a priori knowledge, experimental data and experiments are crucial. This suitability measure can be used for the purpose of model structure selection prior to the actual parameter identification.
- keywords: algorithm; analysis; application; applied; association; association rule; attributes; base; beer; behavior; case; concentration; confidence; control; correlation; data; dimensionless; dynamical; example; flowrate; free; frequent; frequent item; function; fuzzy; fuzzy association; identification; information; input; item; item set; linear; measure; method; minimum; mining; model; model structure; modeling; mossfarm; mse; network; neural; new; nonlinear; number; order; output; paper; past; polymerization; problem; process; reactor; regression; rule; searching; section; selected; selection; set; sets; step; structure; structure selection; styrene; support; system; table; temperature; uk-2; values; variables; yk-1; yk-2; yk-3
- versions: original; plain text
- hjic-97
- author: Luus, R.; Jamme, M.
- title: Estimation of Parameters in 3-Parameter Weibull Probability Distribution Functions
- date: 2005-09-01
- words: 3067
- flesch: 59
- summary: Maximization of the likelihood function given in Eq.(8) yielded with R = 100 in a computation time of 1.49 s the maximum value L = 1.0285396 × 10-139 with parameter values which are very close to those obtained by EIV, as is shown in Table 1. Minimization of the sum of squares of deviations given in Eq.(9) yielded with R = 100 in a computation time of 0.50 s the minimum S = 5.6267167 × 10-2 with parameter values given in Table 1.
- keywords: data; distribution; eiv; estimation; example; function; likelihood; luus; maximum; optimization; parameter; points; procedure; squares; table; time; use; values; variables; weibull
- versions: original; plain text
- hjic-98
- author: Molnárné-Jobbágy, M.; Kollár-Hunek, K.
- title: Spline Functions in Evaluation of Explosion Limit Curves for Gas Mixtures
- date: 2005-09-01
- words: 3676
- flesch: 64
- summary: To determine the p0, p1, p2 and p3 frame points of the co-monotonic spline we have used the last two points of the UEL curve, and the last two points of the LEL curve. One can see the frame points (black squares), and the result of the apex test for the NH3+N2+Air system on Fig 3, and for the CH4+CO2+Air system on Fig. 4. NH3+N2+Air T=24C P=1,03 bar For the secant-intercept: N2 NH3 14 15,8 LEL 16 16,15 16 16,9 UEL 14 18,05 de Casteljau frame t*= 0,66 xo yo slope x y secant1 16 16,15 0,175 p0 16 16,2 secant2 16 16,9 -0,58 p1 16,7 16,3 intercept 17 16,325 p2 16,7 16,5 delta(x)1,00 p3 16 16,9 1,00 ratio(2/1)1,00 slope ratio3,3 Table 1: Frame point calculation (symmetric case) 77 NH3 + N2 +
- keywords: air; algorithm; apex; apex apex; apex point; apex test; area; case; concentration; curves; data; explosion; fig; flammable; frame; gas; group; inert; lel; limit; measured; method; monotonic; new; old; pass; point; program; range; real; results; spline; step; systems; table; ternary; test; triangle; uel
- versions: original; plain text
- hjic-99
- author: Szeifert, F.; Nagy, L.; Chován, T.; Abonyi, J.
- title: Constrained PI(D) Algorithms (C-PID)
- date: 2005-09-01
- words: 4392
- flesch: 60
- summary: On the top of these, certain model-based techniques, depending on the process model, often result in PID algorithms and therefore can be implemented as PID controllers. The main reasons for this dominancy are the role of PID controllers in the classical control technologies, their position in the engineering curriculum, their availability in DCS’s and not at least the efficiency of their application.
- keywords: account; algorithm; application; batch; case; chemical; closed; constant; constrained; control; controller; dead; design; different; feedback; following; industrial; input; inverse; known; linear; loop; methods; model; order; output; parameters; physical; pid; pid algorithm; practical; problems; process; processes; results; scheme; second; setpoint; simulation; space; state; systems; table; time; wind
- versions: original; plain text