alkej: A Pathfinder

This is a computer-generated pathfinder created against the Distant Reader study called alkej.

Each Distant Reader study carrel is composed of many individual items. Each item is bibliographically described with author, title, date, summary, and keyword values. Below is a list of the items' most signficant keywords as well as lists of the items themselves. Purpusing the content of this pathfinder provides the student, researcher, or scholar with one way to get their heads around the scope of the carrel. The keywords include:

Engineering; System; Temperature; Time; Model; Surface; Heat; Process; Water; Rate; Control; Flow; Data; Speed; Http://www.nitropdf.com/; Transfer; Concentration; Khwarizmi; Network; Algorithm; Properties; Ratio; Power; Strength; Robot; Air; Frequency; Parameters; Signal; Test; Corrosion; Carbon; Table; Energy; Performance; Effect; Stress; Composite; Removal; Velocity; Design; Gas; Welding; Pressure; Phase; Angle; Tensile; Metal; Load; Image; Method; Alloy; Results; Fatigue; Fiber; Production; Tool; Analysis; Joint; Oil; Liquid; Epoxy; Noise; Fuel; Thickness; Motor; Filter; Values; Al2o3; Reduction; على; Arm; Classification; Machine; ػٍٝ; عند; Valve; Array; Bending; Activity; Loading; Rls; Sound; Plastic; انعذد; Buoyancy

Depending on how this pathfinder was created, many of the bibliographic sections will include elaborations on the meaning(s) of the given keywords. These elaborations were generated by feeding the items' summaries to a large langauge model and asking the model to address the question, "What is X?", where "X" is the keyword. The result will be a few sentences of elaboration. Be forewarned. The elaborations are often plausible, but they should not be take as truth. Instead, they should be taken as points for consideration.

• جوانب ميكانيكية احيائية لتمفصلات الكتف والورك: مقارنة لمفصلين من نوع الكرة والتجويف by Jaffar, Dr. Akram Abood; Abass, Dr.Sadiq Jaffar; Ismael, Mustafa Qusay (2017) - Keywords: hip joint, shoulder joint, finite element analysis, biomechanics. 0 20 30 55 90 155 250 360 476 600 750 800 850 800 340330315 240 260 230230 175170168 100 50 00 100 200 300 400 500 600 700 800 900 Strain (%) S tr e s s (N ) Fig.2: Tension test curve of fixed human shoulder joint. Keywords: area; engineering; femur; head; hip; hip joint; humerus; jaffar; joint; scapula; shoulder; shoulder joint; stresses; surfaces; vii; weight
• السيطرة على أليه باستخدام المنطق المبهم في محيط زلق by Hadi, Nabil Hassan (2017) - This paper describes the application of fuzzy control to a feedback system within slippery environment. Keywords: mobile robot, fuzzy control, wheel-ground contact modeling, dynamic model 1. Keywords: conditions; control; engineering; logic; model; slipping; surface; system; wheel
• Analyzing Geothermal Heat Exchangers Using Comsol Non-Isothermal Pipe Flow Model by Mohammed A. Atiya; Ali Naser Hussien; Azher M. Abed; Philippe Mandin; Farkad Ali Lattieff (2025) - 6. Air temperature profile along the EAHX pipes during June and January Figures 7 and 8 show the heat flux variation along the pipe between the air and the soil for January and June, respectively. Model Explanation The Nonisothermal Pipe Flow CFD tool is used to model the temperature, velocity and pressure fields in EAHE pipes. Keywords: air; cooling; eahe; earth; energy; engineering; heat; january; journal; june; pipe; soil; system; temperature; variation; winter
• Biodiesel Production from Castor Oil by AL Sbani, Nadya Hussin ; Meelad, Awatif; sultan, Omar ; Mohammed, Alaa ; Kwadikha, Amani ; Tweib, Saleh ; علاء كريم محمد (2025) - Results indicated that the kinematic viscosity at 40 °C was 14.24 cSt, the density was 0.924 g/cm3, the cetane number (CN) was 54 and the pour point was −15 °C, indicating that castor oil biodiesel is of high quality, with a high CN and a low pour point. This finding indicates that castor oil biodiesel could be used as a petroleum diesel additive for improving cold flow properties. Keywords: acid; biodiesel; castor; castor oil; doi; engineering; journal; oil; point; production; vol; water
• Synthesis and Characterization of Flash Graphene for Use in Remediation of Contaminants in Iraqi Groundwater Using Batch Adsorption Techniques by Subhi, Noora; Abdul-Hameed, Hayder (2025) - [1] W. Hassan, et al., “New composite sorbent for removal of sulfate ions from simulated and real groundwater in the batch and continuous tests,” Molecules, vol. 26, no. 14, p. 4356, 2021. [2] K. Aher, et al., “Preliminary study in irrigational quality of groundwater sources in parts of Soygaon block, District Aurangabad, India,” Int. Keywords: adsorbent; adsorption; batch; carbon; cations; engineering; flash; graphene; khwarizmi; remediation; rpm; surface; table; tds; values; vol; water
• تأثير خواص الصلب على التشتت الطولي للسوائل في ابراج التفقيع by Jawad, Ali Raad Mohammed (2012) - Keywords: Axial liquid dispersion coefficient; Axial dispersion; Mixing; Liquid circulation; Backmixing; Slurry bubble column; Bubble column. Abstract Experiments were conducted to study axial liquid dispersion coefficient in slurry bubble column of 0.15 m inside diameter and 1.6 m height using perforated plate gas distributor of 54 holes of a size equal to 1 mm diameter and with a 0.24 free area of holes to the cross sectional area of the column. Keywords: bubble; coefficient; dispersion; effect; engineering; gas; liquid; velocity
• Thermal Comfort and Internal Conditions Testing of Standard Relief Tents in cold Climates by A.Fayyad, Rawan; M. Ali Aljubury, Issam (2025) - [25] C. Croitoru, I. Nastase, F. Bode, A. Meslem, and A. Dogeanu, “Thermal comfort models for indoor spaces and vehicles—Current capabilities and future perspectives,” Renewable and Sustainable Energy Reviews, vol. 44, pp. 125- 135 Thermal Comfort and Internal Conditions Testing of Standard Relief Tents in Cold Climates Rawan A. Fayyad1* and Issam M. Ali Aljubury2 1,2 Department of Mechanical Engineering, College of Engineering, University of Baghdad, 10071, Baghdad, Iraq *Corresponding Author’s Email: rawan.adnan2303@coeng.uobaghdad.edu.iq )Received 5 May 2025; Revised 7 July 2025; Accepted 3 August 2025; Published 1 December 2025 ( https://doi.org/10.22153/kej.2025.08.004 Abstract To assist decision-makers in selecting the best solutions and arriving at better solutions for temporary shelter and to identify key issues related to temporary shelter methods and provide some principles and recommendations, this study presented a theoretical investigation into the measurement of thermal comfort in standard relief tents in cold climates. Keywords: air; cbe; comfort; conditions; engineering; environment; humidity; insulation; mrt; pmv; ppd; temperature; tent; thermal; vol
• Analytical and Mechanical Study of Transtibial Osseo-Integrated Prostheses Implant by Abbas, Saif ; Chiad, Jumaa; Takhakh, Ayad ; Resan, Kadhim ; Fatlawi, Abdullah ; Saad, Alaq ; saad, alaq (2025) - قسم هندسة األطراف والمساند الصناعية، كلية الهندسة، جامعة النهرين، بغداد، العراق 4 قسم هندسة المواد، كلية الهندسة، الجامعة المستنصرية، بغداد، العراق 5 قسم تقويم العظام واألطراف الصناعية، مركز السدرة للطب والبحوث، دولة قطر saif.mohammed@nahrainuniv.edu.iq البريد االلكتروني:* المستخلص إمكانية استخدام التكامل العظمي عبارة عن وضع غرسة معدنية في العظم المتبقي خالل الجراحة ويُستخدم مع طرف اصطناعي خارجي. The goal of prosthetic bone anchoring is to reduce or eliminate the aforementioned issues. Keywords: alloy; bone; engineering; fig; implant; material; stress; study; tensile; test; vol
• Real-Time Adaptive Traffic Signal Control with YOLOv10 and Image Processing by Majeed, Ammar; Naeem , Suhad ; Saeed, Elaf; Al-Shanoon, Abdulrahman (2025) - 1. Framework diagram of the intelligent traffic light control system architecture The intelligent traffic light control system comprises the following: monitoring cameras, a digital image processing unit, a microcontroller for detecting crossing traffic flow, a computing unit for automatic adjustment of signal timing, I/O interface, a driver module, traffic signal lights and countdown indicators. Flowchart of the on-site installation 3.3.1 Overall Structure The intelligent traffic light controller described in the method comprises modules such as crossing vehicle flow detection, traffic signal timing automatic adjustment calculation, display drive and overall frame, as shown in the accompanying drawing 1 of the description. Keywords: control; detection; engineering; fig; flow; green; intersection; journal; learning; light; road; signal; system; time; timing; traffic; traffic flow; traffic light; traffic signal; vehicles; vol
• FPGA Realization of Two-Dimensional Wavelet and Wavelet Packet Transform by Mahmoud, Walid A.; Al-Turfi, Mohammed N. (2017) - But the delivery from one stage to the next one must be done under full circuit control synchronization. All other necessaries represented by the clock evaluation (1 GHz in the circuit designed), the synchronization problems, design problems (Essential hazard, Racing, and Oscillation problems). Keywords: bit; circuit; design; engineering; frequency; journal; khwarizmi; transform; vol.1; wavelet
• Supply Chain Resilience in the Context of Global Production and Logistics by Ghani, Jaharah; Abdollah, Mohd Fadzli ; Rizal, Muhammad; Juri, Afifah Zakiyyah ; Elias, Sulaiman; Abdul Rashid, Aizat; Kamaruzaman, Qamarul Syahmi; Zainudin, Nur Ain Najwa ; Hairil Azmi, Muhammad Nursyakirn (2025) - This paper presents an in-depth review of supply chain resilience in the context of global production and logistics, considering the immediate need for adaptive and robust systems in the growing global scenario of uncertainties. [6] G. Behzadi, M. J. O’Sullivan, and T. L. Olsen, “On metrics for supply chain resilience,” European Journal of Operational Research, vol. 287, pp. Keywords: chain; disruptions; engineering; journal; management; planning; production; research; resilience; review; scr; strategies; supply; supply chain; systems; vol
• خواص البنية المجهرية والميكانيكية لوصلات لحام الخلط الاحتكاكي لسبائك المنيوم متماثلة وغير متماثلة by Hassan, Kharia Salman (2018) - Therefore friction stir welded joints have amended Kharia Salman Hassan Al-Khwarizmi Engineering Journal, Vol. 14, No. 1, P.P. 19- 28 (2018) 20 mechanical qualities like tensile strength, ductility, hardness compering with fusion welded joints [5]., structure of weld, due to hard mechanical stresses shows three clear microstructural zones on the transverse cross section of the FSW joint, .these zones are a nugget, or stirred zone, thermo-mechanical affected zone (TMAZ), and a heat affected zone (HAZ) ,nugget zone NZ is a region through which tool pin passes and thus experiences both high deformation and heat treatment. Used Alloys Sheets of Aluminum alloys AA6061-T6 and AA2024T3 are used to produce dissimilar friction stir welded joints. Keywords: engineering; fig; friction; joints; journal; min; peening; rpm; shot; speed; stir; welding
• Pulse Wave Speed Estimation: A Comparative Study of the PU-Loop Technique versus Tensile and Compliance Testing on Synthetic Elastic Tubes by Hacham, Wisam ; Alzuwaid, Falah; Al-Zubaedi, Wesam (2025) - As the velocity at which pressure waves propagate through the arterial tree, c reflects the elastic properties of the vascular wall and is directly influenced by structural and functional changes in the arteries. Tensile testing, using a load cell, estimated Young’s modulus (E) of synthetic elastic tubes, allowing c calculation using the Moens–Korteweg equation. Keywords: arterial; compliance; engineering; equation; journal; loop; measurement; pressure; pulse; stiffness; tensile; testing; tube; velocity; volume; wave
• Experimental Evaluation and Finite Element Simulation to Produce Square Cup by Deep Drawing Process by Younis, Karem Muhsin; Jabber, Adil Shbeeb; Abdulrazaq, Mustafa Mohammed (2018) - therefore modern researches focus on the optimum values of these process parameters for non-symmetrical deep drawing parts ( square, rectangular, triangular and hexagonal shapes), in the field of square deep drawing process more researches have been focused. [6] to investigate the effect of the blank holder force on wall thickness, cup depths, tearing and wrinkling in square deep drawing process experimentally and numerically via the LS-DYNA software are summarized as follows: the wall thickness distributions obtained by experimental and finite element method is seem to be showing generally errors of around 15%, it is observed that thickness of the cup wall gets thinner in the punch profile region and increased in thickness occur toward the edges of the cup section. Keywords: blank; cup; die; drawing; drawing process; engineering; experimental; process; punch; radius; sheet; square; thickness
• Rabbit-256 Optimisation for Secure Blockchain Hashing in IoT-Healthcare Data by Jadaa, Khalid ; Badr, Aymen ; Hussein, Waleed ; Kamarudin, Latifah (2025) - The quality of cryptographic hash functions is assessed by adopting a statistical technique that measures the difference between the average HD of all possible pairs of hash values and the expected value of HD under a uniform distribution. 56 Table 3, Comparative features of Rabbit-256 (this work) and lightweight hash functions from the literature Metric (average) Rabbit -256 (our work) BLAKE 2s Keywords: algorithm; avalanche; bits; blockchain; data; doi; engineering; fig; function; hash; hashing; healthcare; input; iot; journal; key; khwarizmi; output; rabbit-256; security; sha-256; state; systems; vol
• Effect of Fibre Loadings on the Tensile Properties of PALF/PHBV Composite: A Two- Parameter Weibull Analysis by Mustafa, Zaleha; Amirah, Ain ; Sheikh Md Fadzullah, Siti Hajar; Farm, Yan ; Ratanawilai, Thanate (2025) - In this study, the observed variation in tensile strength is determined as a result of the natural differences in PALF fibres, such as their diameter and overall structure. For example, Wand and Shao [21] reported β value ranging from 2 and 6 for bamboo fibre composites. Keywords: composite; distribution; doi; engineering; fibre; matrix; palf; performance; phbv; properties; strength; tensile; variability; vol; weibull; wt.%
• الخصائص الفيزيائية والمورفولوجية لمواد الفرايت صلب- ناعم المتدرجة وظيفيا by Chyad, Fadhi; Jabur, Akram; Abed, Sabreen (2018) - The weight of FGM layer will measured by sensitive balance , the constituents powder were arranged according to the volume fraction of layer starting from lithium ferrite to barium ferrite as mentioned in table (1), After that compacting practice were done under 20000 Mpa load pressure. The results indicated that the density increase with the increase the number of layer. Keywords: ceramic; engineering; ferrite; fgm; fgms; fig; hardness; layer; materials; properties; structure
• تقنية توموشينكو ثلاثية العتبة لتقدير معامل المرونة الرئيسي للمواد (المتجانسة ثلاثية البعد) by Saify, Kamal K.M.; Al-Temimy, Adnan N.J.; J.J, Muhsin (2017) - Pickett G., “Equations for computing elastic constants from flexural and torsional frequencies of vibration of prisms and cylinders.”, Procc. The need of (i) inexpensive test, (ii) acceptable base theory, (iii) few tested samples and (v) many estimated elastic constants, is the most preferable thing to put forwards for achieving such aim. Keywords: approach; axis; beam; composite; constants; engineering; journal; khwarizmi; present; test
• دراسة حركية استخلاص خام فوسفات عكاشات العراقي باستخدام حمض اللبنيك by Eisa, Mohammed Y.; Abdulmajeed, Basma A.; Hawee, C. K. (2018) - Table 1, LOI data of phosphate ore leaching using Lactic acid at the operating conditions (10wt%, L/S=5) Table 2, Kinetic data of phosphate ore leaching using Lactic acid at the operating conditions (10wt%, L/S=5) Keywords: acid; chemical; engineering; leaching; model; ore; ores; phosphate; rate; reaction
• تصميم مسيطر هجين من الشبكة العصبية مع المسيطر الضبابي لنظام ساق الانسان by Karam, Ekhlas H.; Abbass, Ayam M; Abdul-Jaleel, Noor S. (2018) - [���� … (14) Fig. This equation is considered as input to the SISO fuzzy controller as shown in Fig. 5 after remove Kp as given by: YW��� � �Z��1 � �� � ��# Keywords: controller; engineering; fig; input; leg; model; r �; results; simulation; � op; � �
• دراسة عملية عن تأثير شكل وموقع مولدات الدوامات عند مدخل المبادل الحراري by Kattea, Wisam Abed (2012) - Heat transfer around heat exchanger is enhanced (56%, 50%, 36%) at location (X=0.5, 1.5, 2.5cm) respectively by using circular vortex generators without turbulator and heat transfer around heat exchanger is enhanced (39%, 42%, 51%) at location (X=0.5, 1.5, 2.5cm) respectively by using square shape vortex generators without turbulator. The results show that there is an effect for using vortex generators on heat transfer. Keywords: air; circular; engineering; exchanger; fin; flow; generators; heat; heat exchanger; heat transfer; journal; location; number; reynolds; square; temperature; transfer; tube; vortex; vortex generators
• تصميم نظام مبرمج لتمييز أنماط الفشل وتحليل التأثيرات لمحطة بخارية لتوليد الطاقة الكهربائية اعتمادا على انشاء شجرة تحليل الخطأ by Al-Khafaji, Soroor K. Hussain; Al-Rahman, Nihad M. A.; Ahmad Al- Dauod, Zuhair I. (2017) - Soroor K. Hussain Al-Khafaji /Al-khwarizmi Engineering Journal ,Vol.1, No. 2,PP 64-85 (2005) ٦٩ Almost all types of faults, which occur in this part of control system, are the failures of cards for the above components due to the failure of the integrated circuits boards. (3) shows the fault tree construction of components failure and the faulty signals for the three parts of control system, and the symbols of this figure are explained in table-D. The top events of the three systems (mechanical, electrical, & control) are related with each other in OR-gate leading to top event of whole unit system (unit shutdown). Keywords: /al; control; engineering; event; failure; fault; fig; input; journal; khafaji; khwarizmi; power; system; system failure; tree; unit; vol.1
• تخمين ألقناة لأغراض ألأتصالات أللاسلكية ألمتكيفة by Al-Shammari, Abeer O.; Salim, Khalifa A.; Abdalla, Mohammed A. (2012) - The simulation results shows that the channel estimation is sufficient for low Doppler frequency shifts (<30 Hz), while channel prediction is much more suited at high Doppler shifts with same SNR and target BER=10-4. Channel Prediction In channel prediction, the future power level of the channel can be estimated using past and present channel samples [11]. Keywords: ber; channel; doppler; engineering; estimation; fading; fig; frequency; performance; prediction
• تحليل الاهتزاز الحر لتكميم الجساءة لعتبة كابولية by Dawood, Hussain A.; Abdullah, Oday. I. (2017) - In this paper the finite element method has been used to determine the free vibration characteristics for cracked cantilever plate (internal flaws), this present work achieved by different position of crack. 3. Results and Discussion Several numerical investigations are conducted to characterize the dynamic detection of cracked cantilever plates under free vibration consideration, comparisons are made between the response of healthy cantilever plate and other cracked ones. Keywords: cantilever; engineering; journal; khwarizmi; modulus; plate; reduction; stiffness; variation; vol.1
• تصميم مسيطر تناسبي-تكاملي-تفاضلي بالإعتماد على الخوارزميات الجينية لغرض تتبع دقيق لنظام تموضع كهروإجهادي ذو محورين by Abbas, Yasir Khudhair (2012) - Table 2, GA Based PID Controller Gain Values. ( ) GA Based PID Controller ( ) Piezoelectric Micropositioner System Reference Position Output Position Yasir Khudhair Abbas Al-Khwarizmi Engineering Journal, Vol. 8, No.4, PP40 -52 (2012) 48 Fig. Keywords: algorithm; axis; control; controller; engineering; fig; micropositioner; pid; piezoelectric; stage; system; vol
• التمثيل الرياضي للعوامل الموثرة على عكورة المياه في احواض الترويق في مشروع ماء الكرامة by Abdul-Hameed, Hayder Mohammed (2017) - Mathematical models for turbidity removal were developed based on the relationships between water turbidity and other water criteria. It is clear that the probability of collision of individual particles with one another and their consequent aggregation depend on their relative velocities i.e. on thermal Brownian motion (and therefore on water temperature). Keywords: engineering; model; plant; turbidity; water
• هيكلة جديدة للمضخمات التوزيعية باستخدام احمال حثية فعالة by Kareem, Azad R. (2017) - It is interesting to note that, compared to the conventional CSSDA, the CSSDA with active inductor loads achieve the same results (forward gain S21 the reflection losses S11 and S22) but with smaller inductance. Abstract: A modification to cascaded single-stage distributed amplifier (CSSDA) design by using active inductor is proposed. Keywords: amplifier; cssda; engineering; gain; inductor; stage
• تعزيز الاستقرارية العابرة لنظام القدرة بأستخدام المعوض التناسقي المتوالي by Yasin, Naseer M.; Al-Eedany, Mustafa M. (2013) - 1. Introduction Rapid development of power systems especially with the increased use of transmission facilities has necessitated new ways of maximizing power transfer in existing transmission facilities while maintaining the same level of stability The transient stability of power systems is associated with the ability of the generators to remain in synchronism after a severe disturbance Keywords: bus; engineering; flow; ieee; line; power; sssc; stability; system; transmission; vol; voltage
• دراسة نظرية و عملية لجريان الدم في الشريان القلبي المتضيق by Abbass, Sadiq J.; Ahmed, Furman K.; Mohammed, Zahraa A. (2013) - [9] Figure (17) shows the mean velocity waveform of coronary blood flow with a 1.0sec period that was used as the inlet velocity conditions in the computational models. So; the study of blood flow in arteries is very important to understand the relation between hemodynamic characteristics of blood flow and the occurrence of atherosclerosis. Keywords: area; artery; blood; engineering; fig; figure; flow; journal; model; pressure; stenosis; study; velocity; vol; wall
• دراسة توزيع التخصر في عمليات التشكيل النقطي المتزايد باستخدام طريقة تحليل العناصر المحددة by Doss, Qasim Mohamed; Abaas, Tahseen Fadhel; Bedan, Aqeel Sabree (2013) - The moving locus of forming tool (called as toolpath) in these slices constructed to the finished part was performed by the CNC technology. [6] S. Dejardin, S. Thibaud, J.C. Gelin and G. Michel, “Experimental investigations and numerical analysis for improving knowledge of incremental sheet forming process for sheet metal parts”, Elsevier Ltd, Journal of Materials Processing Technology, Vol. 210 363–36, 2010. )2013( 1-14 ، صفحة3، العدد9مجلة الخوارزمي الھندسیة المجلد قاسم محمد دوس 14 دراسة توزیع التخصر في عملیات التشكیل النقطي المتزاید باستخدام طریقة تحلیل العناصر المحددة ***عقیل صبري بدن** تحسین فاضل عباس* قاسم محمد دوس جامعة بغداد/ كلیة الھندسة * الجامعة التكنولوجیة/ قسم ھندسة االنتاج والمعادن ***،** الخالصة عدة التشكیل تعتمد طریقة التشكیل النقطي التزایدي على مبدا التشكیل للطبقات االفقیة المتوازیة وصوال للتشكیل النھائي للمنتج Keywords: engineering; fig; forming; journal; khwarizmi; process; sheet; thickness; tool; vol
• محاكاة لعملية أنتاج حامض الكبريتيك بالطريقة الرطبة (WSA) لاستغلال الغاز الحامضي المفصول من الغاز الطبيعي العماني by Al-Dallal, Ahmed Jawad Ali (2013) - Theclean process gas leaves the condenser at the top. In any case 4-6 mole% SO2 was normally used in commercial production of sulfuric acid by WSA process Keywords: acid; bed; catalyst; conversion; engineering; feed; gas; mole%; process; reactor; so2; wsa
• السيطرة على الضغط باستخدام الصمام الموازر الكهروهيدروليكي وتاثير الخط الناقل للهيدروليك by Hassan, Jafar Mehdi; Xue, Yiqin; Oleiwi, Majid Ahmed; Mahdi, Ahmed Fouad (2013) - Hydraulic systems are also common in aircraft, where their high power- to-weight ratio and precise control make them an ideal choice for actuation of flight surfaces [1]. Dong Zhu and Lu (2010) prove that the long pipeline in hydraulic system has some influence on system performances and causes the system to become unstable. Keywords: control; engineering; fig; flapper; flow; fluid; hydraulic; line; pressure; rate; servovalve; spool; system; transmission; voltage
• تحسين الرقم الاوكتاني للنافثا العراقية الخفيفة باستعمال العامل المساعد Pt المحمل على الزيولايت HMOR by Atiya, Mohammed A.; Rahman, Ameel Mohammed; Al-Hassani, Maha H. (2013) - ���� ��� �� ���� )2013( 1- 11، �� � 4، ا ��د9 ��� ا ��ارز � ا ������ ا 11 ����� � ا �� �ل ا�� ��! ����� � ا �#ا�� ا$%��� �&���+ ا #* ا(و' ,Pt -�� �� � ا ./)�/0 HMORا �#اج �� ر�2+ * �� ��� ���� ا �� ** ا ��� � ھ�دي ا� *** وزارة ا>;JKGH ا>EA@? The process of light naphtha hydroisomerization involves the transformation of normal paraffins (i.e. normal C5-C7 fraction which is the main constituent) into their isomers, which have higher octane numbers than the normal paraffins over acidic catalysts (Sege et al., 2003; Gauw et al., 2002; Lee et al., 1997; Guisnet et al., 1991). Keywords: catalyst; engineering; et al; hydroisomerization; lhsv; octane; p.p; pressure; reaction; temperature; � �
• التحقيق الحرارية الريولجية ونمذجة لزوجة ألقص من ألبولي بروبيلين فوق درجة ألانصهار by Al-Baldawi, Ammar; Muallah, Shatha K.; Wünsch, Olaf (2013) -  0  0/ n 170 19000 0.85 4.474e-5 0.68 180 12493 0.5589 4.474e-5 0.68 200 5696.16 0.25483 4.474e-5 0.68 220 2767.99 0.12383 4.474e-5 0.68 240 1422.91 0.06366 4.474e-5 0.68 260 768.901 0.0344 4.474e-5 0.68 280 434.404 0.01943 4.473e-5 0.68 300 255.402 0.01143 4.475e-5 0.68 10 100 1000 10000 0.001 1 1000 PP 170°C pp 180°C PP 200°C PP 220°C PP 240°C PP 260°C PP 280°C PP 300°C Cross 170°C Cross 180°C Cross 200°C Cross 220°C Cross 240°C Cross 260°C Cross 280°C Cross 300°C Ammar Al-Baldawi Al-Khwarizmi Engineering Journal, Vol. 9, No. 4, P.P. 12- 23 (2013) 19 Fig. It is also supposed that Polymer melts show the same softening e.g. shear thinning behavior for high shear rates even at different temperatures. Keywords: baldawi; cross; engineering; journal; measurements; model; rate; rheometer; shear; temperature; viscosity; ° c
• تنقية خام فوسفات عكاشات العراقية باستخدام الحوامض العضوية لغرض انتاج حامض الفسفوريك بالطريقة الرطبة by Haweel, C.Kh.; Abdul-Majeed, Basma A.; Eisa, Mohammed Y. (2013) - Increasing the acid concentration decreases the selectivity of acetic acid reaction leading to an undesirable reaction with the required material (apatite) in the ore as shown in the reaction 4 (page4) The main factors investigated by researchers were: leachingreagent, acid concentration, reaction time, liquid/solid ratio (pulpsolid percent); temperature, particle size distribution, stirring speedand type and nature of the ore. Keywords: acid; apatite; calcite; concentration; conditions; content; engineering; fig; journal; leaching; ore; phosphate; ratio; reaction; time; weight
• دراسة تجريبية للحمل المختلط داخل مغلف ذو سطح علوي متحرك بارد وسطح سفلي ساخن by Yasin, Nabil J. Yasin J.; Alwan, Dhia Al-Deen H.; Abdulla, Ayad S. (2017) - [7] A. Al-Amiri, K. Khanafer, J. Bul, I. Pop, “Effect of sinusoidal wavy bottom surface on mixed convection heat transfer in a lid- driven cavity”, International Journal of Heat and Mass Transfer 50: 1771–1780, (2007). (12) Shows the relation between average Nusselt number with dimensionless time for different values of Richardson number (Ri=5 and 10) at constant aspect ratio (AR=1) and constant Grashof number. Keywords: convection; enclosure; engineering; fig; flow; heat; number; nusselt; richardson; temperature; wall
• A Study Of Strengthening Circular Diaphragm By Ring-Shaped Concentric Ribs by Nacy, Dr. Somer M.; Al-Rawi, Dr.Hikmat; Hasan, Mohammed M. (2017) - Optimum Position : To show the optimum ring position, which gives minimum Von-Mises stress and maximum deflection, Fig.(13) is drawn; were, (S1) represents the maximum Von-Mises stresses of stiffened diaphragm (ring on one surface only) divided by the maximum Von-Mises stress of flat diaphragm, (S2) represents the maximum Von-Mises stresses of stiffened diaphragm (ring on two surfaces) divided by the maximum Von-Mises stress of flat diaphragm, (S) represents the maximum Von-Mises stress of stiffened diaphragm (clamped ring) divided by the maximum Von- Mises stress of flat diaphragm, and (D) represents the maximum deflections of stiffened diaphragm (ring on one or two surfaces) divided by the maximum deflection of flat diaphragm. Optimum Position : To show the optimum ring position (which gives minimum Von-Mises stress and maximum deflection), Fig.(20) and Fig.(21) are drawn for continuous and pulse loading respectively; were, (S1) represents the maximum Von-Mises stresses of stiffened diaphragm (ring on one surface only) divided by the maximum Von-Mises stress of flat diaphragm, (S2) represents the maximum Von-Mises stresses of stiffened diaphragm (ring on two surfaces) divided by the maximum Von-Mises stress of flat diaphragm, (S) represents the maximum Von-Mises stress of stiffened diaphragm (clamped ring) divided by the maximum Von- Mises stress of flat diaphragm, and (D) Dr. Somer M. Nacy /Al-khwarizmi Engineering Journal, Vol.2, No. 1,PP 15-34 (2006) 20 represents the maximum deflections of stiffened diaphragm (ring on one or two surfaces) divided by the maximum deflection of flat diaphragm. Keywords: case; diaphragm; engineering; maximum; position; ring
• طريقة جديدة لتصميم نظام لادارة المعلومات المتعددة باستخدام تكنلوجيا ال XML by Hadi, Dr. Suha Mohammed (2017) - Second, since XML documents are human-readable, a developer can figure out what the content means by simply inspecting the XML document. (3): The thematic map concepts The concept or the knowledge of the new proposed model represented as a network of information object that is defined in XML and based on relational database technology. Keywords: data; documents; engineering; information; objects; schema; xml
• دراسة تحليلية وعملية لأجهادات الانحناء والتمدد في عمود مقوس مصنوع من مادة مركبة ذات طبقات by Ismail, Assma Hassan (2017) - [11] J.S. Kim (2007), An asymptotic analysis of composite beams with kinematically corrected end effects, Seoul National University, Seoul 151-742, Republic of Korea. Abstract Theoretical and experimental methodologies were assessed to test curved beam made of layered composite material. Keywords: beam; composite; curved; deflection; engineering; fiber; fig; layer; material; stress
• ضغط الملفات الصوتية باستعمال تحويل المويجة والتشفير ذو الأستنتاجات الخطية by Zeyad, Dr. Tarik; Hanoon, Ahlam (2017) - Flow chart of compression speech signal. A new algorithm is proposed to compress speech signals using wavelet transform and linear predictive coding. Keywords: coefficients; compression; engineering; file; signal; size; speech
• تحليل الاجهادات في عظم الحوض by Jaffar, Dr. Akram Abood; Abass, Dr. Sadiq Jaffar; Abdullah, Huma Mohamed (2017) - The coefficient of variation for the articular surface areas was found to be 13%, 25%, 14% for the lunate, symphysis pubis and auricular surface respectively. This supports the idea that the lunate and auricular surfaces are being related in performing a joint task; that is of weight transmission. Keywords: area; auricular; bone; engineering; hip; joint; journal; khwarizmi; lunate; pubis; stress; surface; vol.1; weight
• تأثير الطلاء لبعض المواد المتراكبة التي اساسها مواد طبيعية على سلوك بلى التعرية لراتنج الايبوكسي المدعم بالالياف الزجاجية by Abdul Hussein, Aseel Basim; AL-Hassani, Emad Saadi; Mohamed, Reem Alaa (2015) - Solid particle erosion is one type of wear that causes. al., (2010) have studied the fiber reinforced polymer composites often have to function in severe erosive environment in which they encounter solid particle erosion. Keywords: ash; coating; composites; engineering; epoxy; erosion; fiber; glass; journal; materials; sample; spin; vol; wear; weight
• المقاطع والخصائص الجيوتقنية لبعض ترب البصرة by Al-Taie, Abbas J. (2015) - Swelling Potential of Basra Soil In this paper, an evaluation for swelling potential of Basra soil was carried out based on the average values of Atterberg limits and percent of clay fraction (<0.002mm). Keywords: Basra soil, soft clay, lean clay, Atterberg limits, moisture content, shear strength, standard penetration, 1. Keywords: average; basra; clay; content; engineering; fig; site; soil; values
• تأثير المكونات من الزيت والمالأت في الفراغية لعوازل بطاريات الرصاص السائلة المصنوعة من البولي اثيلين by Mohammed, Dr. Malek Mostafa; a Zair, Zyad Rafa' (2017) - Al Khwarizmi Engineering Journal, vol., no. 1, pp 101-116 (2005) ١٠٨ Table (3) Results of Oil extraction from DOP & Paraffin films. This behavior were also confirm through fixation of oil feed percentage, decreasing in the feed polymer percent, and increasing in the filler percentage where the oil is adsorbed and distributed over higher amount of filler particles leading to an increase in the number of the inner channels occupied by oil which is going to be opened by extraction process, the results were an increase in the porosity. Keywords: content; engineering; extraction; feed; filler; film; increase; oil; porosity
• Removal of Oil From Wastewater Using Walnut-Shell by Ismail, Dr. Zainab Ziad (2017) - 2-Study the efficiency and mechanism of oil removal from wastewater using walnut-shell. The beauty of the walnut- shell application for oil removal from wastewater is that it is ecologically sound and environmentally desirable treatment technique. Keywords: adsorption; concentration; engineering; oil; samples; shell; walnut; wastewater
• حركية وميكانيكية اكسدة حامض الاوكزاليك بواسطة السيريوم الرباعي by Mohammed, Dr. Ammar J. (2017) - Dr. Ammar J. Mohammed Biochemical Engineering Dept./,Al-khwarizmi Engineering College/ University of Baghdad Abstract: Kinetic and mechanism studies of the oxidation of oxalic acid by Cerium sulphate have been carried out in acid medium sulphuric acid. 1- Kinetic measurement: The kinetic of oxidation of oxalic acid by Ce(IV) was studied under 25C° in different concentrations acid media of sulphuric acid and by using different concentrations of the reacting materials. Keywords: acid; ce(iv; engineering; oxidation; rate; reaction
• تحضير وتشخيص زيولايت Na–Y ذو التركيب البلوري النانوي by Ahmedzeki, Nada S.; Yilmaz, Selahattin; Al-Tabbakh, Ban A. (2017) - Synthesized zeolite 2ϴ І / Іо Intensity FWHM degree 6.344 100 0.327 15.97 75 0.247 23.61 84 0.9162 Reference zeolite 2ϴ І / Іо Intensity FWHM degree 6.181 100 0.501 15.518 78.7 0.398 23.478 83.1 0.589 ��������� ��� % = ∑ І ������ ∑ І ����� �� ∗ ��� A B C Nada S. Ahmedzeki Al-Khwarizmi Engineering Journal, Vol. 12, No. 1, P.P.79 - 89 (2016) 82 3.2. ا�2+اري وا��/��ف ذو اKeywords: area; engineering; fig; journal; nay; surface; zeolite; ا �; وا �; � �
• تصميم وبناء مركب ترددات ذو سرعة تحويل عالية وضوضاء طوري قليل by Hassan, Ali M. N. (2017) - 6.Conclusions A frequency synthesizer with frequency range (1.5 – 2.75) GHz using single loop frequency synthesizer was design & implement. Phase noise The phase noise of PLL frequency synthesizer & VCO is shown in the following table: Offset frequency (Hz) PLLfrequency synthesizer VCO 100 -92.85 Keywords: engineering; frequency; journal; khwarizmi; loop; noise; phase; pll; reference; synthesizer; system; vco
• التحقق العملي للسيطرة على اداء سرعة اسطوانة باستخدام صمام تناسبي للتحكم بالتدفق بطريقيين نوع (2FRE) by Oleiwi, Majid Ahmed (2017) - Proportional flow control valve 2FRE 6 B- 2X/…4RV [15 ]. 4. The hydraulic test bench shows in Figure (3) have been proportional flow control valve. Keywords: control; cylinder; engineering; flow; hydraulic; load; orifice; pressure; signal; valve; velocity; way
• استخدام خلائط تيرنرية من الجازولين والأيثانول والميثانول (GEM) كبديل لوقود الجازولين العراقي لتقليل مكونات الكبريت والرصاص المنبعثة الى البيئة by Chaichan, Miqdam Tariq (2017) - 6- Total fuel heat A� � �� � � BC5 � 7- Brake thermal efficiency D9�+. �� 3، ا���د12���� ا���ارز�� ا������� ا����� � �ام ط�رق ����ن �� ،51-38 )2016( 51 01� / ��. Keywords: blend; brake; concentrations; e85; effect; engine; engineering; ethanol; fig; fuel; gasoline; gem; lead; rpm; speed; sulfur; � �
• دراسة عملية لاستخدام المدخنة الشمسية السلبية في التبريد ألتبخير مع مادة ثنائية الطور ومصفوفة رغوة النحاس كخزان حراري by Murtadha, Talib K.; Salih, Hussien M.; Salman, Ali D. (2017) - Temperature air inlet chimney gap Tair-in-c 20 4.5 (cm) Results refer to increase in air temperature along the way of chimney length, and the heights of air temperature in same level are near the TESB. Keywords: air; chimney; collector; cooling; e m; engineering; evaporative; gap; heat; m t; room; solar; t e; temperature; test; time
• الامثلية والتنبوء لمتغيرات عملية التشكيل النقطي التي تؤثر على جودة السطح الناتج باستخدام خوارزمية محاكاة التلدين by Baden, Aqeel Sabree (2017) - +%�ر ا��!ة�� �I�,��:� ، Z'J ان +,�(ع ھOه ا�0'���ت ت$ ت(�'!ھ�. -KH6*'5 ا����(ذج ��0(ء )(دة ا�%BK ا��تL +2 7�8'� ا� ./)Kت X78 4'>.���I م)H/ Z?0ا ا�O0(ء . Keywords: algorithm; annealing; engineering; forming; parameters; process; roughness; surface; ا �; � �
• تحسين المواصفات الميكانيكية والانسيابية للمطاط الطبيعي المستخدم في تطبيقات مقاومة الاهتزاز by Abd Ali, Nabel k.; Farhan, Malia. M.; . Moosa, Abbas S (2017) - في تطبیقات مقاومة االھتزاز ***صاحب موسىعباس **مالیة محمد فرحان* علي عبد نبیل كاظم جامعة القادسیة / قسم ھندسة المواد * بغداد -الكلیة التقنیة/ قسم ھندسة تقنیات المواد***،** Nabel.abdali@qu.edu.iq :البرید االلكتروني* malia.m.F@mtu.edu.iq :البرید االلكتروني** abbassahip@gmail.com :البرید االلكتروني*** الخالصة عجن�ات مطاطی��ة مختلف��ة باالعتم��اد عل��ى )س��بع(ت��م تحض��یر . وتحس��ینھا ھ��ذا البح��ث إل��ى دراس�ة المواص��فات التخمیدی��ة للمط��اط المق��اوم لالھت�زازیھ�دف ً أساسی اً جزءبوصفھ من المطاط الطبیعي عجنات تم إجراء االختب�ارات المیكانیكی�ة . Keywords: effect; engineering; material; properties; results; rubber; stock; table; test; vibration; vol; � �
• نموذج محاكاة لنظام سيطرة على قدرة توربينات الرياح مع منظمات ضبابية بواسطة خوارزمية ممداني ولارسن by Aziz, Ghada Adel (2017) - Model wind turbine power control system in the application of fuzzy inference algorithm is shown in fig. In recent years many researchers discuss the characteristics of the wind turbine and focus on the latest advances in wind energy modeling aerodynamic and wind control with methods of nonlinear, fuzzy and forecasting [2]. Keywords: angle; blade; control; controller; engineering; fig; logic; nacelle; output; power; system; turbine; wind
• تأثير المعاملة الحرارية المحلولية على الخواص الميكانيكية لسبيكة ألمنيوم- نحاس (2024-T3) باستعمال عملية الدرفلة by Ameen, Hani Aziz; Ismail, Asma Hassan; Hassan, Khairia Salman (2011) - It has been seen that good mechanical properties are evident in the alloy without heat treatment due to the strain hardening and also the mechanical properties are improved after heat treatment and rolling process but with lower forces and stresses when compared with the untreated. Chandramohan et al (2009) made a review for of rolling process with ohsas and texture formation. Keywords: alloy; engineering; heat; http://www.nitropdf.com/; process; properties; rolling; sheet; treatment
• دراسة هندسية شكل العدة في عملية التشكيل النقطي التزايدي وتأثيرها على الاجهادات المتبقية الناتجة باستخدام نموذج تحليل التباين (ANOVA) by Bedan, Aqeel S Sabree; Habeeb, Halah Ali H (2019) - This instrument was used with four angles of (0º,15º,30º, and 45º) and the average value of residual stresses was determined, the value of the residual stress in the original blanks was (10.626 MPa). Residual stress generated over the product in incremental sheet metal bending was less in comparison of traditional bending process. Keywords: angle; engineering; forming; journal; parameters; process; speed; stresses; tool; vol; � �
• التحقق من تأثير افران الموجات الدقيقة على الخواص الميكانيكية وعمر الكلل ل AA 7075-T73 مع معاملة جاف وحامض by Aziz, Sadiq Jaffer; AL-Qisy, Ahmed Adnan; Salman, Rafeef Jumaa (2019) - The experimental results of microwave furnace heat energy showed that there were variations in the mechanical properties (ultimate stress, yielding stress, fatigue strength, fatigue life and hardness) with the variation in mediums and duration times when compared with samples without treatment . For another test, the samples were placed inside the microwave in dry medium also treated in microwave furnace at different time (30 and 60 min). Keywords: acid; engineering; fatigue; furnace; group; heat; life; microwave; min; properties; stress; surface; test; � �
• تصـميم وتنفيـذ الاسطح الحـرة بأسـتخدام طريقة التصميم للمقاطـع المستعرضة لمنحنيـات الـ B-spline by Hamdan, Wisam Kadhum; Abdulrazaq, Mustafa Mohammed (2019) - Construction of uniform cubic curves: (a) single curve, (b) series of curves. The regarded surfaces were created by sliding a B-spline curves (profile curves), in addition to describing an automatic procedure for selective identification of sampling points in reverse engineering applications using Coordinate Measurement Machine. Keywords: curves; engineering; fig; machining; points; spline; surface; uniform
• تصميم ومحاكاة محول Boost ذي دائرة مغلقة مسيطر عليه بوساطة PI وعاكس ثلاثي الطور للتطبيقات الضوئية by Kadhim, Riadh Adnan (2019) - Table 2, Ziegler Nichols Method �� �� �� PID type 0 ∞ 0.5��@ P 0 ��@1.2 0.45��@ PI ��@8 ��@2 0.6��@ PID 9. The results are � 8.2 , �� � 250¬ . Keywords: boost; controller; converter; current; engineering; fig; inverter; journal; output; power; system; voltage; � �
• تنفيذ نظام مراقبة واشراف وتحكم لخط انتاجي ألي بطريقتين باستخدام المتحكم المنطقي المبرمج by hadi, hala helal; Salloom, Maher Yahya (2019) - SCADA system task has data acquisition of the field devices, so it can process these data with the control systems, such as PLC or RTU. Keywords: SCADA, HMI, pneumatic system, TIA portal software, LabVIEW, PLC. Keywords: control; engineering; fig; hmi; line; production; scada; software; system; unit
• منظومة شبكة السيطرة اللاسلكية للمرسبة الكهروستاتيكية المستخدمة في معامل السمنت by Marie, Mehdi J.; Gaied, Khalaf S.; Ajel, Ahmed R. (2018) - Mehdi J. Marie Al-Khwarizmi Engineering Journal, Vol. 13, No. 4, P.P. 50- 57 (2017) 55 A wireless technology used for control systems often provides a range of meters to few kilometres. <4D6963726F736F667420576F7264202D20E3E5CFED20E6CEE1DD20E6C7CDE3CF20D1D4EDCF35302D3537> Al-Khwarizmi Engineering Journal Al-Khwarizmi Engineering Journal,Vol. 13, No. 4, P.P. 50- 57 (2017) Wireless Network Control System for Electro Stati Precipitator in Cement Plants Mehdi J. Marie* Khalaf S. Gaied** Ahmed R. Ajel*** *Al-Zawraa State Company/ Ministry of Industry and Minerals/ Iraq **College of Engineering/ Tikrit University/ Iraq ***Institute of Technology/ Baghdad/ Iraq *Email: mehdijelo@gmail.com **Email: gaeid khalaf@gmail.com ***Email: drahmed69@gmail.com (Received 8 September 2016; accepted 26 April 2017) https://doi.org/10.22153/kej.2017.04.003 Abstract Wireless control networks (WCNs), based on distributed control systems of wireless sensor and actuator networks, integrate four technologies: control, computer network and wireless communications. Keywords: control; engineering; esp; fig; model; network; operation; system; voltage; wireless
• تاثير اضافة كاربون نانوي متعدد الجدران على الخواص الفيزيائية والحرارية والميكانيكية الى الراتنج الايبوكسي by Hussein, Rasha Mohammed (2018) - Adding a small quantitative of inorganic materials such as carbon nanotubes (CNTs), clay and metal nanoparticles, into the polymer matrix can considerably improving the performance of the polymer materials[1].Numerous works were made for improving the properties of epoxy composites by the addition of fillers [2–3]. [7] Y. X. Zhou, P. X. Wu, Z-Y. Cheng, J. Ingram, S. Jeelani, “Improvement in electrical, thermal and mechanical properties of epoxy by filling carbon nanotube”, eXPRESS Polymer Letters Vol.2, No.1, 2008. Keywords: carbon; conductivity; d �; engineering; epoxy; fig; mwcnt; nano; nanocomposites; nanotubes; properties; t �; thermal; � ∗; � �
• تأثير سرعة الرياح على تخميد أهتزاز جناح مركب ذو بروفويل نوع NACA 0012 by Kadhem, Hassan Ali; Hussein, Ahmed Abdul (2019) - The proportional- integral-derivative (PID) control is employed here for studying the suppression of active vibration wing affected by wind velocity flow through wind tunnel in the laboratory of mechanical engineering department at the university of Baghdad. Piezoelectric (PZT ) transducers are used as sensors and actuators in vibration control systems. Keywords: control; engineering; fig; model; pzt; suppression; velocity; vibration; vol; wind; wing
• سيطرة تتبع الأثر للروبوتات المتحركة بعجلات باستخدام المسيطر الجزئي نوع PID by Tawfik, Mouwafak A.; Abdulwahb, Emad N.; Swadi, Salah M. (2014) - The control algorithm based on the errors in postures of mobile robot which feed to FOPID controller to generate correction signals that transport to torque for each driven wheel, and by means of dynamics model of mobile robot these torques used to compute the linear and angular speed to reach the desired pose. In this work a dynamics model of mobile robot was driven for the case where the centroid of mobile robot platform is not coincide with reference frame of mobile robot (i.e. reference frame is located at midpoint of driven wheels axis), while the inertia is counted for. Keywords: controller; engineering; error; fig; fopid; matrix; mobile; nonholonomic; posture; robot; tracking; trajectory; vector
• تأثير اختلاف وسط التقسية على السلوك الميكانيكي لفولاذ مقاوم للصدأ مارتنسياتي by Hussein, Abbas Kh.; Abbas, Laith K.; Hasan, Wisam N. (2019) - The variables of quenching heat treatment were austenitizing temperature (985 C˚,1060 C˚),a soaking times (50,70 and 90 minutes) respectively, Percentage of volumetric fractions of nanoparticles with three different levels(0.01, 0.03 and 0.08 %) were prepared by dispersing nanoparticles that are (α-Al2O3,TiO2 and CuO) with base fluids (De-ionized water, salt solution and engine oil).The specimens were tempered at 700°C after quenching of nanofluids for (2 hours).The results for ( S/N) ratios showed the order of the factors in terms of the proportion of their effect on hardness, and wear rate properties as follow: Austenitizing temperature ( 1060 C˚),Type of base media (salt solution), Nanoparticles type (CuO), Percentage of nanoparticles (0.08%) and Soaking time(90min) was the least influence while for the impact energy were as follows: 3-From response table for (S/N ) ratio with respect to the hardness and wear rate we can marked on the most important factor where the ranking of factors as follows in terms of the proportion of their effect on hardness, and wear rate properties: Austenitizing temperature (1060C˚), Type of base media (salt solution), Nanoparticles type (CuO), Percentage of nanoparticles (0.08%)and Soaking time(90min) was the least influence while for the impact energy were as follows: Type of base media (oil), Austenitizing temperature (985C˚), Percentage of nanoparticles(0.01%), Nanoparticles type (α- Al2O3) and last soaking time (50min). Keywords: base; energy; engineering; hardness; impact; journal; media; nanoparticles; percentage; rate; temperature; type; wear; � �
• استخدام نظام السيطره بالشبكه العصبيه للسيطره على مفاعل ذو الخلط المستمر by Putrus, Karima M. (2019) - From the Comparison of the Process Reaction Curve method with Frequency Analysis Curve method, it is concluded that the tuning by using Frequency Analysis Curve method is worse than Process Reaction Curve method because Frequency Analysis Curve method depends on closed loop system; while Process Reaction Curve method depends on open loop system and also the proportional gains are larger for the Process Reaction Curve method. [13] Luyben M. L. and Lnybem W. L., Essentials of Process Control, McGraw Hill, New York. Keywords: control; controller; cstr; curve; engineering; http://www.nitropdf.com/; http://www.nitropdf.com/ http://www.nitropdf.com/; method; network; predictive; process; reaction; reactor; time
• مكونات ومعالجات الماء المنتج من الحقول النفطية by Al-Haleem, Ayad A.; Abdulah, Hamed H.; Saeed, Essam Abdul-Jalil (2010) - Samples of produced water from five locations in Rumaila oilfield/in south of Iraq were taken and analyzed for their contents of brine, some heavy metals, total suspended solids and oil and grease. The results showed that the environmental impact of produced water arises from its chemical composition; i.e., its salt content, its heavy metals, and hydrocarbon contents. Keywords: costs; engineering; environmental; gas; http://www.nitropdf.com/; oil; production; treatment; water
• خواص الاهتزازات للصفائح المنبعجة بأضافة او عدم اضافة الاطار الهيكلي by Ghlaim, Kadhim H.; Waseem, Hatem R. (2010) - The nodal dynamic equation for oblate shell is ....)()()()( tFtKtCtM    and for undraped free vibration the equation of motion become. 0)()(  tKtM  …(3) Fig.(1) illustrated the flow chart of the above equations. The dynamic behaviour of oblate shells depend upon the coupling and uncoupling of membrane modes and bending modes. Keywords: dish; element; engineering; frequencies; oblate; plane; shell; stress; structure
• دراسة عملية وتحليل العناصر المحددة لتاثير التسخين على قوة الانسلاخ لسلك النيتينول مغمور داخل بولي اثيلين خطي منخفض الكثافة by Amin, Samir Ali; Hassan, Ali Yasser (2018) - The aim of this study is to investigate the pull-out tests to check the interfacial strength of the polymer composite in two cases, with activation NiTinol wire and without activation. The testing is classified into two types, the first test is the pull-out test without activation NiTinol wire, and the second test is the pull-out test with activation NiTinol wire. 2.1 Keywords: activation; composite; engineering; force; matrix; nitinol; pull; shear; stress; test; wire
• تحقيق ألامثلية لعوامل التشغيل للخشونة السطحية في السطوح المعقدة للمواد المركبة by Kazaal, Reem S.; Hamdan, Wisam K. (2019) - [10].in this study lower the better used to suggest of surface roughness in equation (1) � ���⁄ = �10 log ( ∑ ��� �� ) The equation of error: Error= |��� ! Keywords: cutter; engineering; form; journal; machining; milling; parameters; roughness; surface; surface roughness; � �
• تصميم وتنفيذ نظام تحكم اشرافي لخط انتاج السكر by Abdulsattar, Noor N. N.; Mustafa, Faiz F.; Hadi, Suha M. (2019) - SCADA used were, current and temperature of the drives have been observed by SCADA system in current instant. Today SCADA systems include operator-level software applications for viewing, supervising and troubleshooting local machines and process activities. Keywords: control; engineering; hmi; plc; process; production; scada; system; temperature; vol
• Heuristic D* Algorithm Based on Particle Swarm Optimization for Path Planning of Two-Link Robot Arm in Dynamic Environment by Raheem, Firas A.; Hameed, Umniah I. (2019) - Since sin �� is sin �� � √1 & #� � … (4) To solve �� , it has to use the '() �function. The forward kinematics equations are shown below: � � � � cos �� �� � cos��� � ��� … (1) � � � � sin �� �� � sin��� � ��� … (2) Keywords: algorithm; arm; c �; elbow; engineering; environment; figure; link; path; planning; pso; robot; � �
• قسم هندسة عمليات التصنيع/ كلية هندسة الخوارزمي/ جامعة بغداد by Kadhum, Ali H.; Hatem, Huda (2009) - Optimum values improved mechanical properties (wear, fatigue, strength …) and gave better productivity. The choice of optimum values of feed and cutting speed is made more difficult by several constraints which must be satisfied along with the equations discussed in this paper. Keywords: condition; cutting; engineering; feed; machine; machining; optimum; speed; system; tool; values
• تحليل تقدم الموجات في تشخيص أمراض الشريان الأبهر بوساطة تقسيمه الى عدة مناطق by Al-Jumaily, A. M; Al-Ammri, A. Salam (2009) - All these variations affect the pattern of pressure waves. JM Padilla1,etal.[3] evaluated the relationship among blood pressure parameters and abPWV, and the relationship among abPWV, SIDVP and RIDVP in health subjects. Keywords: aorta; artery; engineering; lumps; pressure; radius; time
• موجه شبكات لتطبيقات خاصة بالاعتماد على نظام وندوز by Athab, Omar A.; Hadi, Ahmed S.; Faraj, Sufyan T. (2019) - [12], consists of three layers: active packets, active extensions and a secure active router infrastructure. Active packets carry programs consisting of code and data to replace both the header and payload of traditional packets. Keywords: adapter; anep; architecture; code; component; driver; engineering; field; function; journal; khwarizmi; module; network; packet; processing; router; service; system; test; user; vol
• تصحيح أوضاع العمل في مهام تجميع مضخة ألماء بإستخدام نظام تحليل العمل ((OWAS )) by Ketan, Hussein S.; Al-Zuheri, Atiya Kadhim (2008) - This system enables the user to observe working postures continuously or intermittently. In the continuous observation, the user can record working postures by the event-driven way, controlling the play of the movie file manually. Keywords: action; analysis; engineering; handling; journal; khwarizmi; owas; postures; system; working; workstation
• طريقة جديدة للاتصالات المتكيفة على قناة عالية التردد by Salim, Khalifa Abboud; R. Kadhim, Abdul-Karim A.; Ahmad, Adil H. (2008) - System Model A communication link which consists of a transmitter, a receiver, HF channel and feedback channel as shown in Fig.(1) was considered. [5] M. Rostami, J. Angeja, J. Tavares and A. Navarro “HF channel modeling for real time packet transmission“ IEEE MILCOM 03 conference proceeding, 2003. Keywords: ber; channel; communication; data; engineering; frequency; journal; khwarizmi; modulation; performance; rate; signal
• تحضير العامل المساعد اوكسيد الزنك المستخدم لازالة كبريتيد الهيدروجين، فحص الفعالية ودراسة الحركية by Hassan, Karim H.; Khammas, Zuhair A-A; Rahman, Ameel M. (2019) - In addition to ZnO catalyst, other sulfur compounds removal catalysts were studied by several investigators. Many methods have been used for preparation of ZnO catalysts, but the most common were allocated between the thermal and chemical treatments. Keywords: catalyst; engineering; gas; h2s; hydrogen; oxide; rate; removal; sulfide; temperature; zinc; zno
• التحقيق التجريبي والعددي لمحاكاة الخصائص الحرارية الحرارية للبوليمر الذائب بوليبروبيلين 575 في الطارد ذي البرغي الواحد by Ismail, May M.; Salman, Sami D.; Muallah, Shatha K. (2018) - The numerical simulation using CFD models for single screw extruder and the polymer extrusion was analysed for parameters such as (thermal conductivity, specific heat, density and viscosity) reveals a high degree of similarity to experimental data measured. The experiments were conducted using Chinese extruder in Babil governorate, this part of the work involves conducting the practical experiments on the polypropylene 575 and simulating these experiments, then validates the results with the experimental work, table (1) Shows the overall data of single screw extruder. Keywords: engineering; extruder; fig; heat; r r; screw; temperature
• دراسة مقارنة لاشارة التخطيط العضلي باستخدام المويجة و الشبكات العصبية by Gheab, Nebras Hussain; Saleem, Sadeem Nabeel (2019) - EMG signal acquires noise while traveling through different tissues. Detection of EMG signals with powerful and advance methodologies is becoming a very important requirement in biomedical engineering. Keywords: analysis; emg; engineering; families; fig; properties; signal; time; transform; vol; wavelet
• يد انسان آلي صغيرة ثنائية الأصابع تقاد بواسطة مشغلات الأسلاك العضلية by Al-Ammri, A. Salam; Kadim, Bahaa I.; Al-Azzawi, Yarub O. (2019) - In this research, a modified artificial hand with direct control has been designed using electrical artificial muscle wires that receive direct sensory impulses through human hand instead of using the mechanical action to open and close this artificial hand. [1] developed a robot hand having equal number of DOF to human hand. Keywords: control; engineering; figure; finger; hand; length; muscle; mws; robot
• تصميم و تحليل قدم اصطناعي جديد للمبتورة اطرافهم by Jweeg, Muhsin J.; Al-Beiruti, Ahamed A.; Al-Kinani, Kadhim K. (2007) - To purchase, go to http://www.nitropdf.com/ http://www.nitropdf.com/ Muhsin J. Jweeg, PhD /Al-Khwarizmi Engineering Journal ,Vol.3, No. 1 PP 12-25 (2007) ١٨ normal human foot ,SACH foot and New foot respectively. The stored energy return are 13.14 , 58.9 for SACH foot and NEW foot respectively , table ( 3 ). Keywords: design; energy; engineering; fatigue; foot; http://www.nitropdf.com/; http://www.nitropdf.com/ http://www.nitropdf.com/; sach; test;  ;  
• استعادة الصور باستخدام الترشيح المنظم المعكوس و إزالة الضوضاء بطريقة التحويل المويجي ذو العتبة العتبة المتكيفة by Ali, Firas (2007) - Many of these wavelet based thresholding techniques have proved better efficiency in image denoising. bjyoon@caltech.edu, ppvnath@systems.caltech.edu [7] Xiaoyan Xu, “Image Denoising in Wavelet Domain”, School of Engineering, University of Guelph, E-mail: xux@uoguelph. Keywords: denoising; engineering; filtering; http://www.nitropdf.com/; http://www.nitropdf.com/ http://www.nitropdf.com/; image; inverse; method; noise; restoration; thresholding; wavelet; wiener
• تطبيقات المنطق الغامض للمحرك المؤازر by Abd-Alkarim, Shereen F. (2007) - Successful applications have been reported in a number of papers using fuzzy control as such or in conjunction with classical controllers [6-11] and that fuzzy controller is more robust to plant parameter value changes than a classical control algorithm and has better noise rejection capabilities . [4]. DC-servomotor control is a suitable application area for fuzzy control Keywords: control; controller; engineering; http://www.nitropdf.com/; journal; khwarizmi; logic; system
• بحث ظاهرة انتقال الحرارة وتصرف الجريان حول جزء إلكتروني by Habeeb, Sattar j. (2007) - Also they solved three-dimensional Laplace equation for heat flow in homogenous solids in PCB and they solved boundary layer equations over the PCB based on Blasius’s solution and coupling their solution to find temperature field in solid and flow domains. In general for laminar flow and especially for turbulent flow, these procedures introduced under titles of CFD technique and its flexibility to solve these equations, with some studied for experimental analyses. Keywords: chip; engineering; equations; flow; heat; http://www.nitropdf.com/; http://www.nitropdf.com/ http://www.nitropdf.com/; laminar; number; transfer; turbulent; wall
• تأثيرات الاجهادات الميكانيكية والحرارية للمراوح الدوارة by AL-sahib, Nabeel K. (2007) - So, the thermal stresses due to high pressure and temperature are studies, also determine the steady state stresses and deformations of rotating blades due to mechanical effect. In this paper the type of rotating blades were used is rectangular blade, the geometry for this type was show in figure (1). Keywords: blades; engineering; fig; http://www.nitropdf.com/; http://www.nitropdf.com/ http://www.nitropdf.com/; stresses;  ;  
• التصميم الأمثل للصفائح المربعة المقواة بأضلاع طولية ومربعة by Hasan, Mohammed M. (2007) - In addition to the advantages already found in using them, there should be no doubt that stiffened plates designed with optimization techniques will be bring many benefits like swings in material usage, cost, better performance, etc. In many of the available references on the analysis of stiffened plates, the approximate method proposed by Huber is used. Keywords: constraints; design; engineering; mm t; plate; rib
• تأثير الإثارة الصوتية الداخلية على تحسين الخصائص الديناهوائية على الجنيح by Fayed, Ikhlase M. (2007) - Abstract: The effect of internal acoustic excitation on the leading-edge, separated boundary layers and the aerodynamic performance of NACA23015 cross section airfoil are examined as a function of excitation location with ranging frequency range (50-400) Key Words: internal excitation , separation control , NACA 1. Keywords: engineering; engineering journal; excitation; ikhlase; journal; m.fayed/al-khwarizmi; pp(2007; vol.3
• طريقة الكترونية كاملة لحفظ نسخة احتياطية من ملف ترتيب الموجه by Younis, Mohammed I.; Majeed, Ghassan H. (2007) - Also some literature suggested to use object originated programming for router configuration in terms of modular design but still have limitation of using CLI[8][9][10]. All these settings are saved under one file (called configuration file). Keywords: configuration; copy; engineering; file; method; router; text
• Wearable Detection Systems for Epileptic Seizure: A review by Alwindawi, Alla Fikrat; UÇAN, Osman Nuri; Morad, Ameer Hussein (2020) - [13] [Cogan, D., Nourani, M., Harvey, J., & Nagaraddi, V., Epileptic seizure detection using wristworn biosensors. [23] G. Shamim, Y. U. Khan, M. Sarfraz, & O. Farooq, “Epileptic seizure detection using heart rate variability,”. Keywords: acm; data; detection; ecg; eeg; engineering; epilepsy; et al; ieee; international; journal; monitoring; rate; results; seizures; sensitivity; sensors; system; � �
• تقييم وتحسين نظام تصنيعي باستخدام برنامج الكمبيوتر ارينا by Mohammed Hasan, Kawthar A.; Kadhum, Ali H.; Morad, Ameer H. (2019) - Figures (8), (9), (10), (11), and (13) show input data for the simulation model for system processes entering, filling, covering, sealing, and exiting respectively. Introduction Simulation is a powerful tool to evaluate and improve of actual production line systems without disturbing its operation by builds a simulation model using computer. Keywords: analysis; arena; data; engineering; fig; journal; process; production; simulation; system; time
• تَصميم وتحقيق التصميم الامثل للمحرك الخطي التزامني ذو المغناطيس الدائم المُثّبَت على السطح باستخدام برامج ماكسويل أنسزز by Mohammed, Jamal Abdul-Kareem; Mohammed, Farag Mahel; A. Ali, Raghda'a Ahmed (2019) - While, the magnetic flux linked with the armature winding may be given as: � � � ������������ℜ� ℜ��⁄ ( ���� ���ℜ��/ℜ�� $� ℜ��⁄ %' !' 2) Where: � � � ������������ℜ� ℜ��⁄ ! Keywords: core; design; engineering; fig; flux; force; journal; khwarizmi; linear; magnetic; model; motor; phase; thrust; vol; ℜ �; � �
• تأثير القذف بالكرات على خواص الكلال لعينات متآكلة وغير متآكلة للفولاذ CK35 by Arbilei, Marwan N.; Hamed, Jamal Mohammed (2019) - The study includs the rehabilitation of damaged samples as a result of fatigue corrosion. Table 6, Corrosion rates of samples Type of test AS SP CR CRSP Weight loss (g) 0.0530 0.0355 0.0815 0.0670 It is noted that the weight loss due to corrosion decreased with shoot metal balls while this rate increased when immersed in salt solution and decreased again when the cast of metal balls has been shoot. Keywords: balls; corrosion; engineering; fatigue; metal; peening; samples; shot
• ألطلاء الكهربائي المتعدد الطبقات من النيكل والفضة على معدن النحاس ,والمرسب على حبيبات النحاس النانوي والمستخدم في السطوح الماصة by Kadhim, Mohammed J.; Sukkar, Khalid A.; Abbas, Ahmed S. (2019) - From the topographic results, it can be noted that the substrate preparation and time coating plays an important role affected by both grain size and average surface roughness as present in table (6) that shows the values of grain size, average surface roughness, and root mean square values for copper thin film prepared with different thickness. The 3D surface topography of copper nanoparticles thin film with different coating times (a) 4 min, (b) 2 min. Table 6, Grain size distribution and roughness data values of copper thin film. Keywords: coating; copper; cunp; electroplating; engineering; fig; journal; nanoparticles; nickel; silver; substrate; surface; vol
• عملية التحليل الهرمي المضبب للحد من المخاطر المضمنة في اختيار قرار التخطيط الصحيح by Abdul-Razaq, Faten F.; Al-Zubaidi, Sawsan S.; Kassam, AllaEldin H. (2019) - Each TFN has linear representations on its left and right aspect such its membership function may be outlined as: µ�� � ⎩⎨ ⎧ 0 ̹ X � 1�X � 1� �m � 1�⁄ ̹ 1 � X � m ̹�u � X� �u � m�⁄ ̹ m � X � u ̹0 ̹ X � � ⎭⎬ ⎫ A fuzzy number M� will invariably incline by its corresponding left and right illustration of every degree of membership M� � �M���� ̹ M����� M� � �1 �m � 1�y ̹ u �m � u�y� ̹ y ∈ #0 ̹1$ Where: l(y) and r(y) denotes the left side illustration and the right side illustration of a fuzzy number respectively. Jain, Supplier Selection Using Fuzzy AHP and TOPSIS: A Case Study in The Indian Automotive Industry, Neural Computing and Applications, vol. 29, no. 7, pp. Keywords: ahp; criteria; decision; engineering; fuzzy; journal; making; method; priority; process; selection; step; supplier; vol; weights; � �
• أداء سلوك البلى للانسجة البوليمرية المركبة باستخدام تجارب تاكوجي by Mohammed, Reem Alaa; Abdul Raheem, Ruaa Haitham; Khazaal, Shaymaa Hasan (2019) - Events prove the fiber content parameter was a major effect on wear rate and also with the increase in fiber content comes the increase in resistance wear rate. From the results of the S/N ratio, the optimization of wear parameters is obtained at specimens A3, A6, A7, and A10 as to minimize wear rate. Keywords: behavior; eggshell; engineering; fiber; filler; husk; journal; rate; rice; sliding; specimens; time; wear
• المعالجة المسبقة لسحابة النقاط واعادة تركيب السطوح بالاعتماد على خوارزمية تقنية زاوية الوتر by Albdairy, Ali M.; Al-Duroobi, Ahmed A. A.; Tawfiq, Maan A. (2020) - � �&� ا�� *.��� زاو/� ا��*( � ا���/(ي* � �� 7 � #� *�5�6*** ** � ��� ا�&��4 ��� ا��ھ ب ا��رو#�ا1� ��� ��� ا��7اق/ 5�4�& ا�#3(012�2&/ /.)اد-,+ � ا���ري� �� � 3ا���د، ����16 ا���ارز�� ا���� �� ا����� ��� ��� ،42 -34 )2020( 42 د �� ��ارز����!� #� ا��. Keywords: algorithm; angle; case; chord; cloud; data; engineering; points; study; � �
• تأثير متغيرات عملية التفريز للاسطح الحرة على الخشونة السطحية by Abdulrazaq, Mustafa Mohammed (2020) - The objective of the present work is the investigation of milling parameters for the sculptured surfaces that effecting of surface roughness during machining of Al-alloy. The analysis of variance approach ANOVA showed that the strategy of tool paths was the most affecting variables on surface roughness with percentage of contribution of (42.25 %). Keywords: engineering; feed; machining; milling; parameters; path; process; roughness; strategy; surface; tool; zig
• تحسين عمليات الهندسة العكسية باستخدام آلة قياس إحداثيات الذراع المفصلية by Mahmood, Dhuha Mohammed; Mahmood, Ahmed Zaidan (2020) - The complete forward and reverse kinematic modeling resulted in the following governing equations, where both q1 and q2 represent the AACMM joint angles needed to reach any point within the machine workspace, �� � � tan 2 ��1 � ��������������������� �� ‚ �������������������� � …(1) �� � � tan 2 ⎝ ⎛��1 � ��������� � ! �#����� !$% �������� ⎠ ⎞ …(2) where, �� and �� are the arm joint angles calculated by the rotary encoders and resolved using the algorithm. Keywords: aacmm; arm; base; design; engineering; fig; figure; journal; khwarizmi; mahmood; vol; � �
• Experimental Study of the Influence of Nanoparticles Additive to Diesel Fuel on the Emission Characteristics by Bunyan, Sadiq Talal; Hasan, Abed Al-Khadhim M. (2021) - The influence of nanoparticles doses level and types on NOx emission for diesel fuel is shown in figure (4) and figure (5).The two figures reveal that the NOx emission decreases with adding the dose 25 ppm of TiO2 nanoparticles at all loads. 4. variation of the carbon monoxide with Alumina nanoparticles doses. Keywords: al2o3; diesel; doses; emissions; engineering; fuel; nanoparticles; oxide; tio2
• علامات هيرست و إنتروبيا تساليس لاكتشاف الصرع عند الطفال by Jaafer, Sumai Hamad (2021) - However, EEG is not very efficient for diagnosing, and classification of different conditions such as normal, predictive, and psychological conditions, which are relatively difficult due to the instability of EEG signals and the length of the recording period. As it hypothesize, there was a significant changes in irregularity and complexity in epileptic EEG in comparison with healthy control subjects using t-test (p< 0.05). Keywords: brain; children; detection; eeg; engineering; entropy; epilepsy; signal; vol
• تطبيق منحنى المقايضة لدعم مجموعة التصاميم الهندسية المتزامنة في شركة للطائرات by Mohsin, Esraa M.; Abdulateef, Osamah F.; Al-Ashaab, Ahmed (2020) - ����- ا��, +*� ��(' ����(� ا�&) ��' ا������� ا��&%ا��� $� # أ��8 8/ س ا6#�5*** أ� �� $ 34 (/�ا� ! ا��%�ام NASA1.7c P�?�� W��*+��$ن CONGAوG ت ا�5�/���= وإ.4�د��:� ا ������= وا �����= ��Q%+اج ������ ا �! ��/! Keywords: design; engine; engineering; noise; p �; set; trade; trent; أ �; ا �; � �
• بناء نظام فحص نوعية عالي الدقة مبني على التعلم بالنقل بكلف قليلة by Najah, Ahmed; Mustafa, Faiz F.; Hacham, Wisam S. (2021) - In this research, we present an adopted approach based on convolutional neural networks to design a system for quality inspection with high level of accuracy and low cost. Keywords: Backpropagation Algorithm, convolutional neural networks, computer vision, deep learning, image classification, quality inspection, transfer learning. Keywords: accuracy; convolution; data; engineering; gears; images; inspection; issue; layers; learning; model; network; pooling; system; training; transfer; vision; vol
• تطبيق الواقع الافتراضي على (هندسة الميكاترونكس) عن طريق نمذجة ذراع روبوت باستخدام )EON Reality V9.22.24.24477 ايون ( منصة by Allaq, Aiman Al-; Jaksic, Nebojsa; Al-Amili, Hussein Ali; Mahmood, Dhuha Mohammed (2021) - ،* ا+61اق/ 8A% &1(23اد /**** 0'& ا+@?8<& ا+=!ارز);،*** ah.alallaq@pack.csupueblo.com :;Dا+#6$8 ا5+(69و* n.jaksic@csupueblo.com +(69وD;:**ا+#6$8 ا5 alamilihussein@gmail.com :;Dا+#6$8 ا5+(69و*** duhamohammed55@gmail.com :;Dا+#6$8 ا5+(69و **** � ا��� ،;E69اF5ا GH8م ا+!اJ$VR 8$81+ا+، ا K'19+ 8Lا!M+ا N(;?J9 ا!?H لPQ N( ا+:1!)2ت R'S!T U+ذ ;F 2:% ،ت ،&M9=:+ا K19 ن��ا م�= **�+��4 ج4@?<2 *ا� ا���ق � ***A?� ا��4م�� � �د #�! Keywords: application; arm; engineering; eon; frame; model; node; reality; robotic; simulation; studio; use; window; � �
• امثلية متغيرات عملية القطع بالتفريز لسبيكة المنيوم (4032) باستخدام طريقة تاكوشي مع التحليل العلائقي الرمادي by Hammood, Sami Abbas (2021) - In this study, the effect of cutting parameters (spindle speed, feed and depth) is investigated combining with tool material and geometry on the multi-performance of the end milling process (low surface roughness and micro-hardness, high metal removal rate), through analyzing the measurement of the outputs by used grey relational analysis based on Taguchi method for Al- alloys. Cutting tools and machine cutting parameters. Keywords: analysis; cutting; engineering; grade; grey; journal; milling; parameters; process; surface; table; vol
• Evaluation of the Main Causes of Diesel Engine Injector Failure using Fault Tree Analysis by Matar, Hanan B.; Al-Zubaidi, Sawsan S. ; Al-Kindi, Luma A. (2021) - [4] Two equations are used according to the type of gate (AND or OR) for quantitative analysis[11]: For AND gate out fault event Eo is given by: … ( 1 ) and for OR gate out fault event Xo is given by : … Table (1) lists the main problems and sub-causes events that cause the injector to stop working in order to draw a fault tree which represente the qualitative assessment as shown in Fig.4. Keywords: analysis; causes; engineering; event; fault; fta; fuel; injector; maintenance; probability; tree
• Effect of MIG Welding Parameters on the Mechanical Properties of AISI 304 Austenitic Stainless Steels by امجد محمد جبر; صلاح صبيح عبد الكريم; M. Jebbur, Amjed ; Abed AlKareem, Salah S. ; Mustafa, Faiz F. (2022) - However, Austenitic-Stainless Steels (���� is used in the food-industry, construction, chemical, petrochemical, and power-engineering applications usually use (���� Steels, because of its passive-protective layer that is created from its chromium content which leads to its enhancement in temperature-creep and corrosive-chemical environments [1]. The analysis of variance (�����) is statistical process used for determining the P% (percentage of contribution) for each parameterand their significance level. Keywords: engineering; hardness; joint; journal; metal; parameters; process; steel; strength; table; tensile; voltage; welding; wire; � �
• Estimate and Analysis the Availability of Generator in Electric Power Plant Using ANN by Awad, Asmaa J.; Ahmed, Ahmed A. ; Abdulateef , Osamah F. (2022) - No failure until end 2017 Weibull ���� = 2.31123, ����= 18302.9 3.2 Non Traditional Method (Artificial Neural Network (ANN)) There are 24 training models considered for ANN availability modeling. Keywords: ann; availability; data; engineering; model; network; power; system; vol; � �
• Path Planning, Obstacle Avoidanc Path Planning and Obstacle Avoidance of a Mobile Robot based on GWO Algorithm by Abbas, Tahseen Fadhil ; Shabeeb, Alaa Hassan (2022) - MATLAB R2019b programming language used to create the simulation code for path planning using tested on Intel(R) core i7, 2.2 GHz CPU, 8.00 GB RAM system. In this paper, we suggested path planning and obstacle avoidance based on the Grey Wolf Optimization path algorithm for WMR in environments with static obstacles. Keywords: algorithm; case; engineering; gwo; path; planning; point; results; robot; simulation; time; � �
• تحليل الاهتزازات في الأعمدة الدوارة باستخدام طريقتين رايلي ودونكرلي by Baher , Karrar ; A. Atiyah , Qasim ; Abdulsahib, Imad A. (2022) - Simply Supported Beam with finite nodes The uniform beam for the number of nodes is shown in figure 1, and the masses for the nodes are computed using the following equations [23]: ��� � ��/2 � � �� ��2 … 1� �� � � � �2 � � ��� ���2 … 2� where � � 1, 2, 3, . . . Deflections associated with :� � 1 and :# �:< � 0 are represented in the preceding matrix's first column. Keywords: beam; dunkerley; engineering; frequencies; frequency; journal; method; rayleigh; shaft; system; vibration; vol; � �
• تصميم وتحليل روبوت رش by M. Jasim, Fatima; M. Ali, Malik ; H. Hamad, Ali (2022) - The transformation matrix of the end-effector to the reference frame is concluded by multiplying the previous matrices, so ���= ��� × ��� × ��� …(1) ���= �1 0 0 ��0 1 0 ��00 00 10 ��1 � Where ��, ��, ��� �� are the joint space of each link. Joint velocity and acceleration of end-effector are determined with respect to the base frame, hence: ���= ����− ���� + ���� …(2) ��� = (���−g) � − ����+ ���� …(3) Where g is the gravitational acceleration, �� is the joint velocity of links, and �� is the joint acceleration. Keywords: engineering; fig; joint; journal; khwarizmi; link; model; position; robot; vol; � �
• تحسين اداء منظومة الاتصالات الفوضوية الثنائية باستخدام تقنية الهوائيات المتعددة by Abdulameer , Lwaa Faisal; Sripati, U.; Kulkarni, Muralidhar (2022) - From Figs. 3,4, 5, and 6, we observed that chaotic maps give highly distinct sequences as 1.85 1.855 1.86 1.865 1.87 1.875 0 0.5 1 1.5 2 2.5 x 10 4 Bit energy n0 . In this paper, dual- chaotic systems that consist of two one- dimensional tent and logistic maps have been designed. Keywords: ber; chaos; engineering; journal; logistic; map; maps; p.p; system; tent; vol
• تصنيف الصور الطبية باستخدام تقنية التحويل المويجي مع المضبب by Mahmoud, Walid .A.; barsoum, Dr.A.; Mahos, Entather (2017) - Fuzzy neural networks (FWNs) make use of base mother matrix (such as Dr.A.barsoum Electrical Engineering Department University of technology Entather Mahos Electrical Engineering Department University of technology This page was created using Nitro PDF trial software. Enter file images (size 100x100) gray scale or color the calculate member ship function Calculate fuzzy rule layer Calculate actual output Keywords: data; engineering; function; http://www.nitropdf.com/; layer; networks; wavelet
• تحضير وتشخيص مسحوق للكشف عن البصمة الوراثية الكامنة لتطبيقات الادلة الجنائية by Hameed, Hadeel Faroak; Mohammed, Alaa K.; Zageer, Dheaa S. (2022) - The objective of this work is to compare the performance of both commercial charcoal and activated carbon powder derived from the Alhagi plant to reveal latent fingerprints from different non-porous surfaces (cardboard, plain glass, aluminum foil sheet, China Dish, Plastic, and Switch). 4. FTIR spectra of Alhagi plant (ALH) and Alhagi activated carbon (AAC). 3.2 Yield of activated carbons. Keywords: aac; activation; alhagi; carbon; charcoal; engineering; fingerprints; impregnation; latent; powder; ratio; surfaces; temperature; time; vol
• نظام الربط البيني بين الدماغ والحاسوب استنادا الى الاشارات الكهربائية للدماغ للتحكم بغرفة ذكية by Amanuel , Oger Zaya; Alazzawi , Yarub (2022) - Besides, the number of used channels was reduced to four channels only (two channels for the occipital lobe that is activated when the participant is relaxed and the eyes are closed) and (two channels for the frontal lobe that is activated when the eyes are open or during concentrating on a specific task or beginning a simple mental activity. [2] R. Ramadan, S. Refat, M. Elshahed and R. Ali, Basics of brain computer interface, Springer, 2015, pp. 31--50. Keywords: brain; channels; eeg; engineering; eyes; frequency; journal; khwarizmi; model; signals; vol
• A Methodology for Evaluating and Scheduling Preventive Maintenance for a Thermo-Electric Unit Using Artificial Intelligence by Ahmed, Wasan Mahmood; Ahmed, Ahmed Abdulrasool; Abdulateef, Osamah Fadhil (2023) - The methodology proposed in this thesis can be applied to all systems operating in maintenance systems, and it gives an excellent indication to the different departments on developing appropriate action plans and what is expected. This thesis resulted in two methods for improving system reliability and availability to reduce maintenance costs and also developed optimization models for PM schedules. Keywords: ahmed; algorithm; ann; data; engineering; failure; journal; khwarizmi; maintenance; production; reliability; results; system; time; vol
• استخدام الكولكساسلين والاموكسسلين و السيفلكسين كمثبطات لصدأ سبائك الحديد ذات نسبة الكاربون المنخفضة by Jawad, Ameer; K. Muallah, Shatha; Hammud, Kafa Khalaf (2023) - It has been found that one of the preferable ways of keeping metals from corrosion comprises the use of expired antibiotics as corrosion inhibitors. Perfectly the drugs soluble in the water besides their high purity and inexpensively as expired antibiotics are important factors in choosing expired drugs as corrosion inhibitors [6]. Keywords: blank; carbon; cloxacillin; concentration; corrosion; engineering; inhibitor; journal; khwarizmi; steel; vol
• Citric Acid Production: Raw Material, Microbial Production, Fermentation Strategy and Global Market: Critical Review by Abd Alsaheb, Ramzi A.; Mohammed, Malik Mustafa; Abdullah, Jaafar Kamil; Abbas, Azza Hashim (2023) - The most important finding was that A. niger thrived in pH ranges of 2.5 to 3.5 and that high sugar concentrations promoted citric acid production Different processes for citric acid production [68]. Keywords: acid; acid production; aspergillus; biotechnology; citric; doi; engineering; fermentation; food; journal; niger; production; state; vol
• Succinic acid Production Strategy: Raw material, Organisms and Recent Applications in pharmaceutical and Food: Critical Review by Abd Alsaheb, Ramzi A.; A. Atiya, Mohammed; Kamil Abdullah , Jaafar; Abbas, Azza Hashim (2023) - The current review attempt is a step toward comprehending all the conditions surrounding succinic acid production from raw materials, microorganisms, and fermentation methods. 5. Conclusion This review paper reviewed 72 papers of succinic acid production. Keywords: acid; acid production; applications; bio; doi; engineering; fermentation; journal; market; production; vol
• Removal of Ciprofloxacin Antibiotic from Synthesized Aqueous Solution Using Three Different Metals Nanoparticles Synthesized Through the Green Method by Shakorfow, Abdelmalik Milad; Al Mhanna, Najah; Atiya, Mohammed A.; Hassan, Ahmed K.; Kadhim, Fatimah Q.; Mahmoud, Zainab A.; Abbas, Azza Hashim (2023) - In this study, the adsorption of ciprofloxacin from synthesis wastewater has been successfully employed using Iron nanoparticles (Fe.NPs), Copper nanoparticles (Cu.NPs), and silver nanoparticles (Ag.NPs) The ciprofloxacin removal was raised from 18% to 70% when Fe.NPs were used, and the adsorption dosage was increased from 0.1 to 1.0 g/L, while it improved from 20% to 54% when Cu.NPs were used, and from 18% to 45% when Ag.NPs were used. Keywords: adsorbent; adsorption; ag.nps; ciprofloxacin; concentration; cu.nps; dose; engineering; fe.nps; green; iron; journal; khwarizmi; nanoparticles; removal; synthesis; values; vol
• ﺻﻨﺎﻋﺔ وﺗﺤﻠﯿﻞ ﻗﺎﻋﺪة ﻗﺎﻟﺐ اﺳﻨﺎن ﺑﺎﺳﺘﺨﺪام ﻋﻤﻠﯿﺔ اﻟﺘﺸﻜﯿﻞ اﻟﻨﻘﻄﻲ ﻟﻠﺼﻔﺎﺋﺢ by Saad, Hassan; M. Shammari, Ahmed Z.; AlKareem, Salah S. Abed (2023) - The type 316L is one of the most widely used materials in biomedical applications, however, there has never been a study about this material in incremental sheet forming applications. In this study, single point incremental sheet forming (SPIF) has been implemented in dentistry to manufacture a denture plate using two types of stainless steel, 304 and 316L, with an initial thickness of 0.5mm and 0.8mm, respectively. Keywords: accuracy; denture; engineering; forming; journal; manufacturing; plate; process; sheet; steel; thickness; tool; vol
• A Study on the Effect of Multistage Toolpath in Fabricating a Customized Cranial Implant in Incremental Sheet Metal Forming by Fahad, Mohamed I.; Shammari, Ahmed Z. M.; Nasir, Ramdziah binti Md (2023) - [16] have conducted experimental work investigating the effect of using a different number of forming stages in fabricating truncated cones. Titanium based cranial reconstruction using incremental sheet forming. Keywords: accuracy; engineering; fig; forming; geometry; implant; journal; khwarizmi; multistage; process; sheet; strategy; surface; thickness; toolpath
• ايماءات اليد القائمة على التحكم في الروبوت by Marthed; القامجي, أحمد محروس القامجي; Wameed, Marthed; M. ALKAMACHI, Ahmed; Erçelebi, Ergun (2023) - Several techniques are used to detect and classify hand gestures, for instance using gloves that contain several sensors or depending on computer vision. This method is described by detecting and classifying hand gestures by identifying 21 three-dimensional points on the hand, and by comparing the dimensions of those points. Keywords: accuracy; algorithm; camera; engineering; gestures; hand; hand gestures; learning; mediapipe; model; points; robot; system; time; vol
• Working Memory Classification Enhancement of EEG Activity in Dementia: A Comparative Study by Al-Qazzaz, Noor Kamal; Mohd Ali , Sawal Hamid Bin; Ahmad , Siti Anom (2023) - [44] can be used to calculate the classification accuracies for each set of EEG channels, which are used in this work to determine the 𝑓𝑖𝑡𝑛𝑒𝑠𝑠 values for the objects: 𝑓𝑖𝑡𝑖 = 𝜔1 × 𝑎𝑐𝑐𝑢𝑖 + 𝜔2 × [5] N. K. Al-Qazzaz, S. H. B. M. Ali, S. A. Ahmad, M. S. Islam, and J. Escudero, Discrimination of stroke-related mild cognitive impairment and vascular dementia using EEG signal analysis, Medical & biological engineering & computing, vol. Keywords: analysis; channels; classification; dementia; dimensionality; eeg; engineering; entropy; qazzaz; reduction; selection; vol; 𝐹𝑁𝑃𝐴𝑄𝑅; 𝑆𝑀𝐶𝐼; 𝑆𝑀𝐶𝐼 patients
• Determination of the Optimum Conditions for Removal of Congo Red Dye by Peroxidase Enzyme Plant by Ridha, Aula. I.; J. M-Ridha, Mohanad (2023) - Keywords: Peroxidase enzyme, Congo red dye, Plant enzyme, Decolorization. In order to estimate optimum conditions for (pH, initial dye concentration(mg/L), amount of enzyme added to dye solution (g/mL) that they give best decolorization of Congo red dye, were using the batch system by applied the many values for these conditions, at 25 ºC, and 540 nm., then analyze it statistically. Keywords: concentration; congo; decolorization; dye; efficiency; engineering; enzyme; journal; peroxidase; red; removal; vol
• Control System Development of Cap-Seal Assembling Machine by Salih Hamoud, Abdullah ; Al-Zubaidi, Salah ; Sarhan, Samaher Mohammed ; Salleh, Mohd Shukor ; Mohammed, M. N. ; I. Abdullah, Oday (2024) - Four sub-operations of cap seal machine. 3. Flow chart of the conventional control system of cap seal machine. Keywords: cap; control; control system; engineering; glue; journal; machine; plc; rejection; seal; sealing; system; working
• Treatment of Petroleum Refinery Wastewater by Sono Fenton Process Utilizing the in-Situ Generated Hydrogen Peroxide by Jiad, Marwa M.; Abbar, Ali H. (2023) - [5] Abdulredha, M. M., Aslina, H. S., & Luqman, C. A. (2020). Comparison with previous works Reference optimum Conditions process [22] RE%=58.2 =30 mg/l, 2+200mg/l, Fel Pheno =800mg/l, 2O2H pH=3,time=60min temperature =30º C Degradation of phenol in aqueous solution by fenton, sono‐fenton and sono‐photo‐fenton methods [66] For US/ 2O2/H2+Fe RE%=40 EC=216kWh 3m/ =30mM2+Fe pH=7,time=180 min temperature =30º C Ozone (O3) and sono (US) based advanced oxidation processes for the removal of color, COD for landfill leachate [67] RE%=84.25 =102+/Fe2O2H pH=3, time=10 min Treatment of petroleum effluents using the combined ultrasound and Fenton oxidation process Keywords: cod; dosage; engineering; fe2; fenton; h2o2; journal; model; petroleum; process; removal; sono; time; treatment; wastewater
• Construction and Characterization of Organic Solar Cell and Study the Operational Properties by Majeed, Majid H.; Kareem, Mohamed Abdul; Ali, Esraa H. (2018) - WX�%S�Y �0%.#Z�%S[⁄ %.% 2]/ 0.1125� 100R 17.256 Table 5, compering between Fill factor FF, power conversion efficiency PCE and series resistance Rs results Sample Number Spin Coater Speed (rpm) Keithley Electrometer FF PCE Rs (KΩ) WX�%S�Y �0%.%X�%S[⁄ %.% Keywords: cell; efficiency; engineering; fig; pce; polymer; power; response; rpm; sample; spin; � �
• تحسين الطرف الصناعي لبتر خلال مفصل الكاحل عن طريق تعزيز المفصل بالحركات الجانبية by Kadom, Noon; Kadom Rasheed, Noon; Kahtan, Yassr Y. (2024) - This work aimed to design an ankle joint that is suitable for ankle joint amputation, comfortable while walking, low cost and easy to use and maintain and provides important walking movements (PF, DF, IN and EV). Comprehending the functioning of prostheses is necessary to identify foot movements: eversion (EV)–inversion (IN), dorsiflexion (DF) and plantar flexion (PF) Keywords: ankle; ankle joint; engineering; fig; figure; foot; joint; journal; movable; prosthetic; stress; test; walking
• Factors Affecting Electrocoagulation Process for Different Water Types: A review by Abed AL-Rubaye, Shahad Fadhil ; A. AlHaboubi, Naseer ; Al-Allaq, Aiman H. (2024) - 3.1 Electrical current The electrical current is one of the most efficient components in the electrochemical precipitation and electrocoagulation processes [28]. [10] M. Malakootian, H. J. Mansoorian, and M. Moosazadeh, “Performance evaluation of electrocoagulation process using iron-rod electrodes for removing hardness from drinking water,” Desalination, vol. 255, no. 1–3, pp. Keywords: aluminum; anode; chemical; current; density; doi; drinking; efficiency; electrocoagulation; electrocoagulation process; electrode; engineering; ions; iron; journal; metal; process; removal; time; treatment; vol; wastewater; water
• Karnaugh Maps Adaptability to Implement Multiple-Actuator Pneumatic Circuits by Nather, ALZahraa ; Salloom, Maher Yahya ; Azizi, Amir ; Siallagan, Sahala (2024) - Applications may cover maintenance, process engineering, and education at the educational level of engineering, with a focus on automation of labs for electro-pneumatic sequential control and pneumatic control circuits. When there are two alternative control sequences, a way for developing pneumatic control systems was created [6]. Keywords: control; cylinder; engineering; equations; karnaugh; maps; vol
• A Proposed Control Algorithm for Automated Storage and Retrieval System m (ASRS) by R. Hameed, Ali ; F. Abdulateef, Osama (2024) - Keywords: ASRS; S/R machine; automated storage system; closed-loop control; stepper motors; single deep 1. Introduction Automation plays an important role in the development of an industrial society Many studies have focused on the control of automated storage and retrieval systems. Keywords: algorithm; engineering; fig; journal; motor; position; retrieval; speed; stepper; storage; system; vol; weight
• Corrosion and Microhardness Behavior Improvement of 316L Stainless Steel via Fiber Laser Surface Treatment by Majid , Mustafa ; Khalid , Enas A. ; Zghair, Hayder (2024) - Singh et al. studied the effects of laser surface processing on the surface microstructure and corrosion behaviour of SS316L and Ti-6Al-4V. They found that metal ions are generated during the corrosion process (laser power of 500–1,500 W) in an ambient environment. Abstract This study investigated how fibre laser surface treatment affects stainless steel 316L’s microhardness and corrosion resistance. Keywords: base; corrosion; engineering; journal; laser; metal; microhardness; power; resistance; sample; ss316l; stainless; steel; surface; test; treatment
• تحضير وتوصيف وكفاءة امتصاص التتراسيكلين للكربون المنشط المشتق من بقايا الشاي by Faisal, Hala A.; Mohammed, Alaa Kareem; Hussin AL Sbani, Nadya; Wan Isaha, Wan Nor Roslam (2023) - 1. Predicted vs. actual values of the percentage removal of Tetracycline adsorption. Tetracycline adsorption on tea-activated carbon is endothermic and spontaneous, according to a thermodynamics study. Keywords: adsorption; carbon; engineering; http://doi; journal; khwarizmi; model; order; removal; tac; tea; tetracycline; vol
• تطبيق الذكاء الاصطناعي للتنبؤ بالطاقة المستهلكة في كلية الهندسة الخوارزمي ، بغداد العراق by Omar, Reem; Mahdi, Reem Omar ; Hacham, Wisam S. (2024) - It suggests that the model can explain 97% of the variations, in energy consumption data. That data was used to find the value of energy consumption in the building using artificial intelligence and data analysis. Keywords: building; consumption; data; dataset; energy; energy consumption; engineering; information; journal; learning; machine; model; network; prediction; regression; training; usage; use; vol; weather
• Defect Detection Using Thermography Camera Techniques: A review by حسين ناجح; AL-Jubori, Hussein N. ; AL-Darraji, Izzat; Jerbi, Houssem (2024) - Abstract Individuals across different industries, including but not limited to agriculture, drones, pharmaceuticals and manufacturing, are increasingly using thermal cameras to achieve various safety and security goals. With the continuous advancement of technology, the integration of Industry 4.0 and IoT technologies will further enhance the capabilities of thermal cameras, ensuring elevated performance across different domains. Keywords: analysis; cameras; components; data; deep; defects; detection; energy; engineering; faults; fire; heat; image; imaging; inspection; journal; khwarizmi; learning; maintenance; materials; non; quality; systems; techniques; technology; temperature; thermography; use; variations; vol
• English by Saadoon, Sara; Mohammed, Alaa Kareem ; Ali, Ziad T. Abd ; Rashid, Israa M. ; Isahak, Wan Nor Roslam Wan ; Rahimnejad, M. (2024) - It was determined that the So parameter for DIC adsorption was 108.6 J/mol K. Based on the results depicted in Figure 5, the percentage of DIC removal stayed consistent at 98% across all tested pH values. Keywords: adsorbent; adsorption; bentonite; carbon; dic; diclofenac; doi; engineering; journal; removal; solution; vol; water
• تعديل وتوصيف الكربون المنشط المحضر من بقايا الشاي وامتصاص سيبروفلوكساسين by محمد, علاء; السباني, ناديا; وان عيسى, وان; Kareem Mohammed, Alaa; M. Rashid, Israa M.; AL Sbani, Nadya; Wan Isaha, wan (2024) - Published 1 March 2024) https://doi.org/10.22153/kej.2024.11.001 Abstract Tea residue was used for preparing activated carbon (AC) which was used as an adsorbent to remove Ciprofloxacin (CIP) from synthetic contaminated water. Several adsorbents, as cheap and efficient alternate materials, have been used, such as activated carbon, graphene, and silica, for water purification Keywords: adsorption; carbon; cip; ciprofloxacin; doi; engineering; journal; khwarizmi; model; removal; surface; tac; time; vol; water
• Finite Element Analysis of New Designed Intercalary Prosthesis Implant (Ulna Bone) by Mustafa, Sadeer Anwer ; Shammari, Ahmed Z. M. ; Augla, Wmieth A. J. ; Mohammed, M. N. (2024) - Evolution of the internal fixation of long bone fractures. A finite element model was developed to simulate traffic collision scenarios involving adult bone fractures. Keywords: analysis; bone; element; engineering; fig; finite; forearm; fractures; impact; implant; intercalary; journal; khwarizmi; model; prosthesis; stress; test
• إمكانات الطاقة الشمسية في بغداد: استكشاف باستخدام برنامج PVsyst وHelioscope في كلية الهندسة الخوارزمي by Reem; Mahdi, Reem Omar; Hacham, Wisam (2025) - The foundation and use of PV solar energy were outlined by Reinders, Verlinden, Sark and Freundlich (2017). Keywords: HelioScope software; PVsyst software; Performance ratio; Solar energy 1. Keywords: angle; array; efficiency; energy; engineering; grid; helioscope; khwarizmi; kwh; losses; panels; power; pvsyst; software; system
• Performance Analysis of Different Machine Learning Algorithms for Predictive Maintenance by Mohammed, Noor A. ; Abdulateef , Osamah F. ; Hamad, Ali H.; Abdullah, Oday I. (2024) - 2.3 Resampling with Smote Resampling with the Synthetic Minority Oversampling Technique (SMOTE) is an important consideration considering the extremely low occurrence of machine failures among the entire dataset. Causes involved in machine failures. Keywords: algorithms; classification; data; engineering; failure; journal; knn; learning; machine; machine learning; maintenance; model; predictive; task; time; training; xgb
• نمذجة ومحاكاة صمامات التحكم التناسبي الهيدروليكي مع أنواع مختلفة من وحدات التحكم by Rashid, Sarah M. ; Yahya Salloom, Maher; Jemily, Nor Haniza Bakhtiar ; H. , Ab- Samat ; ماهر يحيى سلوم (2024) - The results indicate that the genetic algorithm (GA) PID algorithm outperforms the particle swarm optimization (PSO) PID controller in enhancing system performance. 4.1 Simulation results with PID controller This section examines the system's response when a PID controller is employed to enhance the operation and performance of a self-balancing platform. Keywords: controller; engineering; optimization; parameters; pid; platform; pso; simulation; system; vol
• Electromagnetic Scattering Properties and Characterisation of Sintered SiC Composite–Based Microwave Spectrum by Raad , Alaa; M. Badri Albarody, Thar ; Mohammed Ali, Hajir (2024) - XRD analysis of sintered composites The XRD peaks of composite sintered at 1600° are shown in Fig. In this research, SiC composites were fabricated from SiC at three concentrations, ZnO and Si. Keywords: absorption; composite; engineering; fig; journal; magnetic; materials; microwave; properties; si3n4; sic; vol; zno
• Design and Implementation of Multi-Configuration Rolling Machine by Mustafa, F.F. ; Al-Musawi, S.Q. ; A. Mahdi, Hussain ; Salloomi, K. N. ; Reda, S.D. ; Al-Ashaab, Ahmed ; Al-Jumaily, Adel (2024) - Transformation from machined rollers (MRs) to Multi-disk rollers (MDRs) 3. Keywords: machine design; reconfigurable machine; discrete multi-disk roller; reconfigurable manufacturing 1. Keywords: amplitude; dimensions; disks; engineering; forming; journal; number; process; profiles; reconfigurable; roller; shape; sheet; wavelength
• GSM-enabled Wireless Patient Monitoring System Integrating Microcontroller for Managing Vital Signstal signs by Ali, Tariq Emad ; Ali, Faten Imad ; TEJFEL, Máté ; Zoltán, Alwahab Dhulfiqar (2024) - The creative combining technique at the heart of our monitoring system allows vital medical data to be seamlessly collected, processed, and transmitted. Our surveillance system, with its advanced software architecture, user-centric design theory, and strong hardware facilities is ready to transform the way medical data is collected, analyzed, and used to enhance treatment of patients. Keywords: arduino; bluetooth; data; engineering; heart; journal; monitoring; patient; system
• Electrochemical Extraction with Supported Liquid Membrane for Removing Copper from Synthetic Wastewater: Optimisation through Response Surface Methodology by R. Kadhim, Noor ; M. Flayeh, Hussain ; Abbar, Ali H. ; Al-azzawie, Hasan F. (2024) - The effect of several parameters including applied voltage, donor pH and initial copper concentration on removal efficiency were investigated through response surface methodology (RSM). RE percent was used as response, and process variables included voltage (X1), pH (X2) and initial copper concentration (X3). Keywords: concentration; copper; engineering; extraction; journal; kadhim; membrane; ppm; process; removal; surface; vol; voltage
• Enhancing Risk Management: Leveraging the Likelihood/Severity Matrix for Effective Risk Assessment and Mitigation in the Electrical and Electronic Sector by Salahuddin Araibi, Alaa; H. Dalef, Huda; K. Hussein, Hiba; Shaiful Ashrul Ishak, Mohamad; Roslan Rahim, Muhammad (2024) - After defining the notion of risk, the combination of risk likelihood and risk severity is called risk score Risk Risk Score Risks Criteria Colour Breaking parts during assembly 15 Shocking the components from static electricity discharge 10 Keywords: approach; assessment; engineering; journal; khwarizmi; likelihood; matrix; process; risk; score; severity; system; table; vol
• Internet of Things Software-Defined Network Intrusion Detection Dataset: Inter- and Intra-Domain by Dhirar, Heba; Hamad, Ali (2025) - SDN attack vectors, B) IoT network attack vectors. 3.3. The historical record of SDN attacks remains undisclosed. Keywords: attack; controller; dataset; ddos; detection; doi; engineering; flow; iot; network; sdn; security; software; system; traffic; vol; 𝑇𝑟𝑢𝑒 𝑃𝑜𝑠𝑖𝑡𝑖𝑣𝑒𝑠
• Systematic Review of Image Segmentation Programs in Craniomaxillofacial Surgery by Rasheed, Khawla ; Al-Neami, Auns; Abbas, Haider (2025) - This review underlines the principal significance of image segmentation in CMF surgery and offers valuable insights for clinicians and researchers to make informed decisions regarding the selection and utilisation of image segmentation programs. 4. Conclusion Despite progress in image segmentation programs for CMF surgery, several challenges and limitations persist. Keywords: cmf; doi; engineering; image; image segmentation; journal; medical; methods; programs; review; segmentation; software; surgery; techniques; vol
• دراسة تأثير الكربنة على صلادة الفولاذ المكربن بأستخدام طريقة مورا by Hussein, Abbas Khammas; Abbas, Laith Kais; Hameed, Asraa Kareem (2018) - [16] M. A. Birnfeld, G. Pintaúde, J. C. K. das Neves, “Effect of carburized steel hardness on surface roughness and residual stresses after manufacturing operations”, International Congress of Mechanical Engineering, Vol. 20, pp: (57-64), Gramado, RS, Brazil ,15-November-2009. Where: i = 1,.., m ; j = 1,…, n. Step 2: Determine composite score as expressed in Equation (4): #� = ∑ ����$�%� − ∑ ����'�%$(� …(4) Abbas Khammas Hussein Al-Khwarizmi Engineering Journal, Vol. 14, No. 3, P.P. 92- 99 (2018) 95 Where: )∑ ���� *$�%� and )∑ ���� *'�%$(� are benefit and non-benefit criteria, respectively and if there are responces more important than others, also (i = 1…. m), the composite score of these attributes become as expressed in equation (5): #� = ∑ +�����$�%� − ∑ +�����'�%$(� …(5) Keywords: carbon; carburization; engineering; hardness; process; steel; taguchi; temperature; tempering; time; vol; � �
• Deep-Learning-Based Mobile Application for Detecting COVID-19 by Al-Qazzaz, Noor Kamal ; Aldoori, Alaa A.; Hussein, Tabarak Emad; Mahdi, Massarra Mohammed; Mohd Ali, Sawal Hamid Bin; Ahmad, Siti Anom (2025) - [27] suggested a randomised generative adversarial network that detected COVID-19 images from known and labelled classes (normal and viral pneumonia) without labels or training data from the unknown class, with an AUC of 0.77. This study included 18,479 CXR pictures, amongst which 8851 were normal, 6012 were non-COVID lung infections, and 3616 were COVID-19 CXR images, together with their accompanying ground-truth lung masks (Figure 2). Keywords: accuracy; bot; cnn; covid-19; cxr; detection; engineering; images; journal; learning; lung; matlab; mobilenetv2; model; network; ray; results; telegram
• Deep Learning Model for Prediction of Dementia Severity based on EEG Signals by Al-Qazzaz , Noor Kamal ; Mohd Ali , Sawal Hamid Bin ; Ahmad , Siti Anom (2024) - The participants were then asked to try to recall the words while keeping their eyes closed, and EEG data were collected. In this study, new methods have been proposed to diagnose people with VD, MCI as a result of a stroke or NC by using EEG data and LSTM deep learning. Keywords: atten; classification; data; dementia; eeg; engineering; entropy; ieee; learning; lstm; model; qazzaz; series; time; vol
• Enhancing the Surface Mechanical Properties of AL2618 Alloy Turbochargers Using a PLD Device with AI2O3 by Faraj, Sarah S. ; Hadi, Nabil H. (2024) - No. 1 (2019): Al- Khwarizmi Engineering Journal [11] Alalkawi H. J. M., Ali Yousuf K Khenyab andAbduljabar H. Ali,” Improvement of Mechanical and Fatigue Properties for Aluminum Alloy 7049 By Using Nano Composites Technique”, Department of Electromechanical Engineering/ University of Technology/ Baghdad/ Iraq, DOI: https://doi.org/10.22153/kej.2019.08.001, Vol. 15 No. 1 (2019): Al-Khwarizmi Engineering Journal. This study enhances the mechanical properties of turbocharger surfaces by depositing a thin film of aluminium dioxide (Al2O3) onto samples manufactured from aluminium alloy (AL2618). Keywords: alloy; blades; corrosion; deposition; engineering; hardness; journal; pld; properties; surface; turbocharger; vol
• Enhanced Gait Phases Recognition by EMG and Kinematics Information Fusion and a Minimal Recording Setuping Setup by Mobarak, Rami; Mengarelli, Alessandro; Verdini, Federica; Fioretti, Sandro; Burattini, Laura; Tigrini, Andrea (2024) - This paper proposes an information fusion approach for gait phase recognition using surface electromyography (sEMG) and kinematics data. These studies lack the investigation of neuromechanical information fusion acquired exclusively from the proximal part of the lower limbs in gait phase recognition during normal walking and using shallow models. Keywords: accuracy; angle; data; engineering; fig; gait; hip; information; models; recognition; semg; svm; vol
• Studying the Effect of Rotor’s Coefficients on a Y-shaped Tri-copter by Al-shamary, Abddullah ; Alkamchi, Ahmed ; Erçelebi, Ergun (2025) - The PID control, when associated with optimisation techniques to maximise system performance, can be a very practical approach to UAV control [20]. 1. UAV motor configuration Keywords: attitude; case; control; design; doi; engineering; fig; motor; pid; uav; vol
• CuO/ZnO Nanocomposite Biosynthesis Approach Using Eucalyptus Leaves for Photodegradation of Tetracycline by S. Ameer, Marwa; A. Atiya, Mohammed ; Hassan, Ahmed K. ; Shakorfow, Abdelmalik Milad ; Al Mhanna, Najah (2024) - In this study, the photocatalytic degradation of tetracycline (TC), which is responsible for water pollution, was investigated in an aqueous solution by using two types of nanoparticles (NPs) based on green synthesis of ZnO NPs and CuO NPs as photocatalysts. ZnO and CuO NPs are widely used because they have unique chemical, physical and mechanical properties, including low melting point, large surface area, excellent structural stability, rapid diffusion and high surface energy [21]. Keywords: cuo; degradation; engineering; khwarizmi; ncs; nps; ratios; surface; synthesis; vol; water; zno; zno ncs
• Development and Implementation of an Automated Production Line Training System by Noori, Ali; Fawzi, Faiz; Tabina , Hussain ; Nikolaevich, Egorov (2025) - A few research papers specifically addressed the control and monitoring of pneumatic systems utilizing SCADA systems. Keywords: Automated production line; Programmable Logic Controller (PLC); Training system; SCADA. Keywords: control; control system; engineering; fig; khwarizmi; line; loop; module; motor; plc; production; root; sensor; station; system; time; training
• Improving Barcode Vision Scanning Process using a Drone-based Tracking PID Controller for Warehouse in Industry 4.0 by Al-hamadani, Samer; Al-Darraji, Izzat; Jerbi, Houssem (2025) - Drone cameras are capable of capturing static pictures for further analysis or providing live video feeds for monitoring from a first-person perspective. Meanwhile, barcode advancements, along with advanced computer vision technology, provide several advantages for drone applications. Keywords: area; barcode; controller; distance; dji; drone; engineering; error; figure; image; journal; khwarizmi; pid; pid controller; pixels; scanning; tello; test; vol
• Impact of Design Parameters in Thermal Solar Water Storage Tank Systems: (A Review) by Hussain, Narjes; Amori, Karima (2025) - Insulation Techniques Proper insulation of solar water storage tanks requires selecting appropriate materials and applying proper installation techniques, such as the following: • Continuous Insulation: Maintaining insulation along the tank perimeter without gaps or thermal bridges is critical. Vertical cylindrical hot water storage tanks are widely used in practical applications, and in solar water heating tanks, the effects of the initial temperature on flow dynamics, heat distribution and thermal mixing mechanisms are thoroughly investigated. Keywords: aspect; collector; cylindrical; design; efficiency; energy; energy storage; engineering; heat; heating; insulation; journal; materials; performance; ratio; solar; storage; storage tank; stratification; systems; tank; temperature; water; water storage
• تصميم مسيطر تناسبي تكاملي تفاضلي عصبي ايلمن المعدل لنظام محول خافض التيار المستمر مبنيا على أساس أمثلية الدولفين لتحديد الموقع بالصدى by Dagher, Khulood E. (2018) - So the mathematical model (Eq. (1) and Eq. (2)) can be written in state space representation as follows: Let: x1= iL, ��� = dt diL , x2=VOUT , ��� = dt dVOUT …(4) ��� = �� + ��� … (5) � = ���� ������ ���� = � �(�������)� ����(�������)(������)��(�����) �(������)��(�����)� …(6) �!� = � ∆�∆(������)��(�����)� …(7) � = $0 1' …(8) Keywords: algorithm; buck; controller; converter; engineering; output; pid; system; voltage; � �
• Examination the Corrosion Inhibition of Synthesized Azo-Schiff Bases Compounds from (P-Fluorophenyl)-1,3,4-Thiadiazoles for Carbon Steel Alloy in Acidic Medium by Zaidane , Khadija; Naser, Ahmed (2025) - https://doi.org/10.22153/kej.2025.09.004 Abstract New azo-Schiff base compounds were prepared by different processes using (p-fluorophenyl)-1,3,4-thiadiazoles, and their role as corrosion inhibitors for carbon steel alloy in acidic media such as 0.1 M HCl at 298 K was investigated. These findings imply that the artificial Azo-Schiff bases show promising application as corrosion inhibitors for carbon steel in acidic settings. Keywords: carbon; compounds; corrosion; electrode; engineering; inhibition; inhibitors; journal; schiff; steel; vol
• Object Dimension and Location Determination in Gantry Robots and Conveyor Systems: A Review by Saadi, Hayder ; ALKARKHI, Nazar kais; Abbood, Wisam ; Nacy, Somer (2025) - 2. Gantry robot systems can be used in logistics and manufacturing. [6] C. Canali et al., An Automatic Assembly Parts Detection and Grasping System for Industrial Manufacturing, in Proc. Keywords: accuracy; belt; cameras; control; conveyor; detection; dimensions; distance; doi; efficiency; engineering; gantry; infrared; laser; light; low; object; position; robot; robotic; sensors; sorting; speed; system; time; vision; vol
• Autonomous Vehicle Steering-based Feedback Linearization and Sliding Mode Control by yahya, anssam; Kames , Anssam; Mary, Ali ; Mayyahi, Laith ; Al-Jerew, Oday (2025) - Proposed control method 4. PID control is widely used in various control systems Keywords: control; controller; engineering; journal; pid; system; vehicle; vol
• Application of Aqueous Two-Phase System in the Extraction of Invertase Enzyme from Potato Tubers Using PEG8000/Potassium Phosphate by Kadhim, Meaad ; Hameed, Khalid ; Mahood, Hameed (2025) - Fresh potatoes contain high invertase activity, which has been shown to increase during cold storage [9] Teixeira A. G., Agarwal R., Ko K. R., Grant‐ Burt J., Leung B. M. and Frampton J. P.: Emerging biotechnology applications of aqueous two‐phase systems. Keywords: activity; concentration; engineering; enzyme; extraction; invertase; journal; peg8000; phase; protein; rec; system; temperature; vol
• Preparation and Characterisation of Activated Carbon from Pomegranate Waste Using Chemical with Microwave Activation by Hanoon, Ali; Salman, Sami (2025) - Abstract This study presents the preparation method and characterisation of activated carbon (AC) from pomegranate waste by using chemical with microwave activation. Keywords: Pomegranate peels; Activated carbon; Sulphuric acid; Microwave activation 1. Keywords: activation; adsorption; carbon; chemical; doi; engineering; journal; microwave; peels; pomegranate; preparation; surface; vol
• Removal of Methylene Blue from Wastewater Using AL Haji Plant as a Low-Cost, Eco-Friendly Adsorbent by Adday, Ruqaya ; Flayeh, Hussein (2025) - cm⁻¹:O-H stretching vibrhydrogen bonding environments in the, 2916.37 and 2848.86 cm⁻¹: These-H stretching vibration methyl (–CH₃) and *methylene (–CH₂) groadsorption because, 1730.15 cm⁻¹: TC=O stretching vibration, carbonyl groups (found adsorption processes, 1637.56 and 1616.35 cm⁻¹: These=C stretching in aromatic rings (such as those in lπ-π interactions , 1537.27 cm⁻¹: This peak is associated with N-H bending vibrations, which are typical of amine groups. Indeed, both models effectively explain the correlations between the empirical and theoretical findings The first-order kinetic model is often used to describe adsorption processes where the rate of adsorption is proportional to the concentration of adsorbate (molecule or ion) remaining in the solution. Keywords: activation; adsorbent; adsorption; al haji; blue; carbon; chemical; concentration; dye; engineering; haji; journal; material; methylene; physical; process; rate; removal; sample; surface; vol

• تصميم مصحح الأخطاء لنظام حقيقي موزع by Khammas, Ban M. (2012) - The DFTU is run in each computer automatically with computer system startup as a service. Abstract This paper designed a fault tolerance for soft real time distributed system (FTRTDS). Keywords: cftu; computer; connection; dftu; error; fault; step; system; time
• دراسة تجريبية حول تسخين الهواء بالطاقة الشمسية by Chaichan, Miqdam T; Ali, Ali J.; Abass, Khaleel I. (2018) - Solar air heaters are thermal systems used to convert the incident solar radiation into heat used to warm the air. https://doi.org/10.22153/kej.2018.07.008 Abstract A new type of solar air heater was designed, fabricated, and tested in Baghdad, Iraq winter conditions. Keywords: air; chaichan; chip; energy; heater; solar; system; temperature; vol; � �
• Construction and Evaluation of a Uniaxial Mechanical Actuated Vibration Shaker by Lafta, Hameed D.; Murad, Nasrat K.; Khamas, Ihasan J.; Abdalla, Tebin F. (2018) - Hameed D. Lafta Al-Khwarizmi Engineering Journal, Vol. 14, No. 1, P.P. 90- 98 (2018) 91 In designing of vibration shaker, three specifications are of primary importance: the force rating, the power rating, and the stroke rating (maximum displacement). Thus, the design and construction of a vibration shaker was carried out with keep in mind that all the design considerations should be satisfied in order to meet the dynamic specifications of mechanical vibration shakers shown in table 2. Keywords: amplitude; damping; fig; frequency; mass; shaker; system; table; testing; unbalance; vibration
• نموذج (FPGO) لنظام الاشارات المرورية الذكي الحافظ للطاقة الكهربائية by Jryian, Ali Hashim (2012) - In this paper, a FPGA model of intelligent traffic light system with power saving was built. The aim of this paper is to design a new approach of intelligent traffic light system with saving power based on FPGA. Keywords: light; red; state; system; time; traffic; vehicles
• النمذجة الرياضية لمنظومة السيطرة على سكر الكلوكوز بصيغة المعاملات المتذبذبة by Basil, Mustaffa Mohammed; Masood, Farah Mohammed Ridha (2017) - One of the most important techniques that was developed is the compartmental modeling, which is a description to dynamic behavior of physiological systems in term of differential equations based on mass balance equations; these differential equations represent the relationship between exogenous or endogenous material as inputs and the resulted states of physiological system as outputs. Keywords: glucose regulation system, compartmental modeling, perturbed coefficients. Keywords: glucose; response; system; time
• التنبوء بقيم معاملات انتقال الأوكسجين في المفاعلات الحيوية المزودة بزعنفة الخلط من نوع Rushton Turbine في الأوساط المقلدة (غير الميكروبية) by Rahman Al-Mayah, Ameel Mohammed; Muallah, Shatha Kadhum; Abd Al-Jabbar, Aseel (2017) - The following correlations were obtained: Air/water system ( ) V V P ak g l g L 43.1 088.0 4.30       = Air/CMC system (0.5w/v ) ( ) V V P ak g l g L 3.2 06.0 522       = Air/CMC system (1w/v ) ( ) 811 3.2 06.0 g l g L V V P ak       = Air/CMC system (2w/v ) ( ) 1623 3.2 06.0 g l g L V V P ak       = Air/CMC system (3w/v ) ( ) 1576 3.2 06.0 g l g L V V P ak       = Keywords: Stirred bioreactor; oxygen mass transfer coefficient; superficial air velocity; Rushton turbine impeller. The effect of specific power input on oxygen mass transfer coefficient for air/water system at different air flow rate. 0 0.0005 0.001 0.0015 0.002 0.0025 1 10 100 1000 10000 100000 Pg/vl, (W/m3) k l a, (- ) 0.5 (w/v) CMC 1.0 (w/v) CMC 2.0 (w/v) CMC 3.0 (w/v) CMC Fig. 8. Keywords: air; bioreactor; cmc; et al; gas; impeller; kla; mass; oxygen; system; transfer
• مسيطرH2/H∞ ذكي متين لمنظومة المحامل المغناطيسية النشطة by Raafat, Safanah M.; Akmeliawati, Rini (2015) - Figure (8-a) compares the ANFIS estimated uncertainty weighting functions Wa1 at 83.375 Hz (the nominal value), 100 Hz and 200 Hz. As a result, an ANFIS estimation of uncertainty bounds for an AMB system model was developed and implemented to generate uncertainty weighting functions required for robust controller design. Keywords: anfis; control; controller; error; estimation; frequency; function; model; order; output; system; uncertainty; weighting;  ;  
• تصميم مسيطر تكاملي منزلق النمط للسيطرة على صمام الخنق by AL-Samarraie, Shibly Ahmed; Badri, Alaq Sabah; Mishary, Mustafa H. (2015) - In terms of the valve plate position θ, the rotor angular velocity ω, and the current i induced through the dc motor windings, the electronic throttle valve mathematical model is given by [11]; � �� = �� � �� � = − �������� + ������ � − ���� ��� � − ���� ��������� = − ��� − �� � + � !# $ …(1) Where u is the input voltage to the dc motor, T&�ω� and T'(�θ� are the stick–slip friction torque and the nonlinear spring torque respectively. Accordingly the ETV model, as given in equation (1), is written as follows; � B� = B� B�� = D� �B − B 5� + D��B� + D�CxC−µ/01�B�� − F/01�B − B 5� B�C = DC�B� + DCCBC + GC H …(4) Where the state space model parameters are D� = �IJ�IK���� 4 , D�� = − �������� , D�C = �IJ�IK������ , µ = �IJ�IK���� *� , F = �IJ�IK���� 3, DC� = − ����IJ�IK , Shibly Ahmed AL-Samarraie Al-Khwarizmi Engineering Journal, Vol. 11, No. 3, P.P. 1- 10 (2015) 75 DCC = − �� , and GC = �. Keywords: 0; �; 6; �; control; d �; e �; system; throttle; v �; − �; � b; � |; � −; � �
• السلوك الحراري للنظام المتراكب من مادة الشمع المدعمة بـ البولي فاينييل الكحول by ALubaidi, Aseel Basim; Abas, Falak O.; Abass, Raghad A.; Abdulredhi, Nazar J. (2017) - ا�����ي �� �� �� 2، ا���د����12 ا���ارز � ا���� �� ا���� ا�� ،26 -18 )2016( 26 �دة ا�!� ا������ � # ا����1 0�/���� ا�.��ل ـا�+��ك ا��&اري ���(�م ا��'&ا%$ ا�����ي�� �� � �1�س *ا� � �1�س **4�0 أ� ***ر�5 أ ***�8ار 17�ر ��1 ا�&6� ا?IJKL@ ا?EF=?=CGH@/ ھABC@ ا?<=اد :89 ****،***،* ** @MEN?ث ا=PQ RSTJ /@EF=?=CGH?ا ��TI^ BCi @EMEN\ ا?o=اء وا?Tط=KhCl? Keywords: base; conductivity; energy; energy storage; heat; journal; materials; paraffin; paraffin wax; pvoh; storage; system; wax; � �
• استخدام نظام سيطرة ذكي لتحسين اداء منظومات التكييف ذات الوحدات المنفصلة by Mohammed, Farag Mahel; Mohammed, Jamal Abdul-Kareem; Jabbar, Mustafa Abdul-Sattar (2017) - ���� 0� … (4) I!ارز��� ا� Modulation PWM (Yى وا��I.ا����9 و ��!;�I� 9c�Iا� �Gو�� �K�� JHK ة�]����[� ا�WPI!ر تR� ،��. Keywords: air; condenser; control; controller; fan; fig; performance; pid; speed; system; temperature; unit; ا �; � ت; � �
• تصميم وتنفيذ نظام قاعدة بيانات لإدارة مذخر ادوية by Samaan, Sama Salam (2017) - ���� 1، ا���د�13� � ا���ارزم� ا������� ا��� م ��� ����ن ��م ،2017( 128-118( 128 م$,+ ادو*� (دارة%)��' و%���$ �#�م �!�ة �����ت ��� ��م ����ن ا����� ا��������� /�� ھ� � ا�����ب ا�����و����� samasamaan@yahoo.com: ا� �� ا��� � *��0 ھ ا ا��'�م .و*��0 ه ا�, ف ا���س �, ا ا��)+ ھ� *()� �'�م ��% ة $����ت �دارة � �� ادو*1� ة $����ت *�5)3 �����4ت %3 ط�%�� 14� *���>ت �; ا�) ��، ا�)�,:�3، ا�)�ظ3�0، ا� �7%�ت و��6ھ�,� � 3� ة ا������ت * ر$A . �M ��Dض ا*>7,�وا�)�ظ3�0 وا�:$�=3 وا�دو� ، ا% اد �7ا*�� ا���; وا��Kاء وط��% ا���Fر��، ���$� د�7%�ت ا�:$�=3 وا���1F �3 ا�دو� ���,� ا�(> +(% N�$ ��7��� م ?���� و��� ��)��4ت ا���; وا��Kاء وادارة ا��)+ $��0ءة $��+ �, �)�3ھ ا ا��'�م ����. Keywords: database; fig; inventory; system; user; ا �; وا �; � م; � �
• تصميم مسيطر تكاملي منزلق النمط للسيطرة على الأنظمة اللا خطية by Hamoudi, Ahmed Khalaf; Abdul Rahman, Noora Off (2017) - By substituting equation (2) in (1), the control law can be rewritten as: � � ��� � ��� ������ … �3 The sliding surface characterized as: � � �� � �� ; � � 0 … �4 where, λ is a constant parameter with a positive value. ���E�� � ө!G � C� � D�� � D� ]� Finally, the control law is written according to � � 1 D 8. Keywords: control; controller; ismc; mode; system; time; � d; � function; � �
• الذكية RFID خطة طوارئ لتوزيع الوقود باستخدام بطاقات by Khudhur, Noor Ahmed (2017) - ا�;�وA.ت ا�((�� ا#�@?ل ا���.م �1 =����9. ���1، ا���د��13 � ا�� ارزم� ا������� ا��� م � ر ا��� ��� � ،148-157 )2017( 157 ��� د &$�)��ام & $%$ت ط ارئ� � RFID ا��% ز*( ا�(� ر ا��� ���� noorea04@yahoo.com : ا ����و � ا����� �� ا��+ 4 ا�4 ا�3.�* ���.21 1- �0 ا�()ارد و ا��,.�- ا�,�ور�* ��()اط���، &� ھ�ا ا��%$ #���ف �� ھ�ه ا���� وط�ا� �� ا������ ھ� ا�� ا��� ا��� ا�)A)د �(�� =����D &� ا��اق، 1- �1ا .ة Keywords: card; database; fuel; rationing; rations; readers; rfid; security; system; use; vol; ا �; � �
• بحث عملي وعددي على الاهتزاز الناتج عن الجريان في الصمامات by Hussein, Asmaa Ali (2017) - 4. Make a precise correlation between the numerical results of structure vibration and flow characteristics to find the real reasons of structure vibration. 5. Make precise comparisons between the results of structure vibration obtained from experimental tests and numerical simulations. Keywords: flow; numerical; piping; simulation; structure; system; valve; vibration; water; way
• نظام سيطرة متكيف ذو موديل مرجعي مبني على شبكة عصبية مويجية ذاتية التكرار باستخدام أنظمة المناعة الصناعية الدقيقة by Lutfy, Omar Farouq; Dawood, Maryam Hassan (2017) - ����)(���������. After that, the affinity value of each antibody is found according to the following equation: ������� = 1│�│ … (18) Keywords: algorithm; control; controller; layer; model; mrac; network; nonlinear; plant; reference; srwnn; system; time; vol; − �; � −; � �
• الهضم اللاهوائي المفرد والمشترك للطحالب الدقيقة كلوريللا فولكيرس مع حمأ مياه الصرف الصحي ومخلفات الماشية لانتاج الغاز الحيوي by Ammar, Saad H.; Khodhair, Sadiq Riyadh (2017) - The present work investigated methane biogas production by anaerobic codigestion of microalgae, Chlorella vulgaris biomass with organic waste from several sources such as wastewater sludge and dairy manure waste in different proportions as an additional carbon supply to enhance anaerobic digestion and therefore biogas production. 18- 26 (2017) 19 stages of biogas production and many bio- chemical reactions are take place in these stages (Fig.1). Keywords: anaerobic; biogas; dairy; digestion; manure; microalgae; production; sludge; system; wastewater
• تحسين أداء تقديرات القناة باستعمال الشبكة العصبية لتدريب خوارزمية تكرار أقل الأجزاء لتقدير العنصر في أنظمة مزج تقسيمات التردد المتعامد المتعدد الادخالات المتعدد الاخراجات by Hassan, Alaa Abdulameer (2011) - We consider a MIMO wireless communication systememploying Nt transmit and Nr receive antennas (figure(1)), hence, thecorresponding MIMO wireless communication channel is constitutedby (Nr×Nt) propagation links. At the transmission time n, a binary data block b is modulated and then passed through the serial-to- parallel converter and a complex data matrix S with a length K×N is obtained, where N is the total number of OFDM symbols and K is the total number of subcarriers Keywords: antennas; channel; estimation; frequency; http://www.nitropdf.com/; mimo; network; ofdm; rls; signal; system; time; vol
• Design and Implementation of a Proposal Network Firewall by Kadhim, Deah J.; Hussain, Walid K. (2017) - 9.1 The Main Window of Firewall System Figure (4) shows the main window of proposed firewall system, that displays the public parts of this system. The proposed firewall system contains more than one window to display the parts of the system; the following sections will describe these parts with its job in firewall system work. Keywords: address; connection; database; firewall; internet; network; packet; port number; step; system
• نظام النهرين التعليمي المتنقل (NMLS) by Abd Al-Kareem, Mahmood Sami; AL-Mukhtar, Mumtaz (2011) - Mobile Learning is the integration between mobile computing and E- Learning. Features of Mobile Learning There are four fundamental elements in mobile learning; learners, instructors, teaching contents and the teaching methods. Keywords: http://www.nitropdf.com/; information; instructor; layer; learning; mobile; nmls; service; student; system
• تصميم وتنفيذ المكتبة العراقية الافتراضية by Kazem, Bahaa I.; Abdulla, Mohammed Najm; Raouf, Jalal B.; Colin, Jean- Noël; Levine, Barry (2010) - In theory it would be possible to check every single access to the site based on the user's credentials, but for thousands of users, managing individual user access quickly becomes difficult. The Virtual Library – User Connection In IVL distributed system, code representing business operations is hosted on the server. Keywords: access; http://www.nitropdf.com/; information; ivl; ivl system; java; library; publishers; security; server; system; user
• مولد ذبذبات يتحكم من متحكم متناهي الدقة (مايكروي) by H. AL-Helali, Riyadh A.; Mohammed, Ismail A.; Abdullah, Ammar I. (2008) - Triangular waveform, Frequency = 150 kHz Sine wave Frequency = 1200 Hz Riyadh A.H. AL-Helali Al-khwarizmi Engineering Journal, Vol.4 , No. 1 PP 48-57 (2008) ÒÔ !! Therefore, the flexibility of the microcontroller software enables as for generation waveforms continuously at wide frequency band. Keywords: frequency; generation; khz; microcontroller; output; sine; software; system; time; wave; waveforms
• مشاكل السيطرة على الحامضية في محطات معالجة المياه الصناعية by Alwan, G. M. (2018) - PH process control is widely used as the end point control in the wastewater treatment plants Shinsky, (1973). Additionally many apparent PH problems are really measurement problems rather than process problems due to the presence of complex agents or chelating, oil and grease and dissolved solid which contaminat the surface of sensor and could affect response and sensivity of PH-detectors. Keywords: control; metals; process; system; time; treatment; wastewater
• الإخماد الشبه فعال لأنظمة الإهتزازات الميكانيكية بإستخدام جهاز متغير الجسائة by Naji Al-Azzawi, Yarub Omer (2018) - Keywords: Semi-active system, vibrations damping, active filters, variable stiffness actuator 1. Semi-active systems are dependent systems now days Keywords: control; damping; frequency; response; spring; stiffness; system; vibration
• تحسين الاداء لنظام التبريد الشمسي الهجين باستخدام ستراتيجية سيطرة جديدة by Mohammed, Ahmed Abed; Abduljabbar, Raed Ayad (2018) - 24- 33 Enhancement of Hybrid Solar Air Conditioning System using a New Control Strategy Ahmed Abed Mohammed* Raed Ayad Abduljabbar** *,**Department of Mechanical Engineering / University of Technology *Email: 20187@uotechnology.edu.iq **Email: me.21148@uotechnology.edu.iq (Received 14 January 2018; accepted 25 April 2018) https://doi.org/10.22153/kej.2018.04.002 Abstract Enhancement of the performance for hybrid solar air conditioning system was presented in this paper. Ha and Vakiloroaya, 2012 [3] estimated the optimum refrigerant temperature entering the condenser in hybrid solar air conditioner system by proposing a by-pass line together with a three-way proportional control valve that installed after the compressor to control the refrigerant flow rate and enhance the performance of the system, results show that the average COP by using the optimal set-point values is higher than the commonly-used design by 6.7%. Keywords: air; condenser; fig; power; refrigerant; solar; system; temperature; valve
• تَصميم وتنفيذ تَحكّم آلي لمنظومة تَتبع ذاتُ محورين لتطبيقات الطاقة الحرارية الشمسية المُرَّكزة by Hamidi, Saad Tami; Mohammed, Jamal Abdul-Kareem; Reda, Laith Muhsin (2018) - [9] H. Mousazadeh, A. Keyhani, A. Javadi, H. Mobli, K. Abrinia, and A. Sharifi, “A review of principle and sun-tracking methods for maximizing solar systems output,” Renewable and Sustainable Energy Reviews, 13, 2009, pp. 1800-1818. The experimental tests have been done on the PTSC system to investigate its thermal performance in two cases, with tracking system (case 1) and without tracking system (case 2). Keywords: axis; energy; fig; ptsc; radiation; solar; sun; system; time; tracking; tracking system; water
• تصميم وتنفيذ نظام جمع بيانات لتطبيقات بيئية by Aziz, Jabir S.; Hussein, Osama A. (2019) - The scenarios mentioned above can be used individually or a combination of more than one scenario according to user needs, figure (11) illustrates a telemetry system that uses RF link to collect data from remote unit and intranet over GPRS network to relay data to remote users. Remote and Master units which represents the break down of the three proposed system are designed and implemented Keywords : Telemetry, GPRS, remote master units, wireless communications, TDM. Keywords: data; gprs; master; network; remote; scenario; section; system; telemetry; unit
• تطوير تخمين معيار معلومات Akaike بالأعتماد على أزالة التشويه لحزمة مرشح مربع المرأة by Miry, Mohammed H. (2019) - It plays a very important role in the denoising of signals since it gives an effective, informative and compact description of the analyzed signals. When the noise is cross correlated with the signal of interest, RY can be expressed as T ZSSZZ T SY ARARRAARR  …(6) where sR is the autocorrelation of signal, zR is the autocorrelation of noise, szR is the crosscorrelation between the signal and noise and zsR is the crosscorrelation between the noise and signal. Keywords: aic; level; noise; number; qmf; signal; sources; system; wavelet
• تصميم خوارزميه لاتمته تخطيط انظمه التثبيت لقطعه العمل المتعددة السطوح المتناسقه by Zghair, Haidir Raheem; Zghair, Haidir Raheem; Zghair, Haidir Raheem; Zghair, Haidir Raheem; Yaqoub, Zaid Hikmat; Barzan, Amjad (2019) - Applied to process planning a part, feature recognition system would distinguish features of a part based on the geometric and topological information stored in the CAD database. Feature-based design, by contrast, aims at building a product model with a predefined set of design features. Keywords: contact; face; feature; fixturing; locating; location; number; setup; system; workpiece
• تحليل أشارة التخطيط الكهربائي للقلب المعتمد على الحاسوب ونظام المراقبة by Al-Jobouri, Hadeel Kassim; Khamiss Al-Ani, Nasser N. (2019) - The proposed system gives a new concept of ECG signal manipulation, storing, and editing. This system was tested for different ECG signals, some of them are abnormal and the other is normal, and the results show that the system has a good quality of diagnosis identification. Keywords: d b; ecg; p b; signal; system
• Extraction of Phenol From Industrial Water Using Different Solvents by Abdullah, Mahmoud Omar; Al-Jiboury, Khalid Farhod; Yaseen, Bushra (2008) - Evaluation of the Consistency of the Experimental Tie-Lines: The accuracy of the experimental data for the six ternary systems at 30 o C was checked by plotting in figures 10 and 11, the Othmer-Tobias correlation (Othmer and Tobias, 1942): )3...( 1log 1log  n X -X m X -X SS SS WW WW Mahmoud Omar Abdullah Al-Khwarizmi Engineering Journal, Vol.4, No.4, PP 9-25 (2008) 14 Figures 10 and 11 can be useful to check whether experimental data have a regular or not. Residuals NRTL UNIQUAC UNIFAC Sa Keywords: data; distribution; liquid; model; nrtl; parameters; phenol; system; system water; ternary; uniquac; water
• تقليل نسبة القدرة العضمى الى القدرة المعدلة لاشارة مقسم التردد العامودي باستخدام طريقتي التقييم والمعالجة المتكررة by Hassan, Ahmed K. (2019) - This paper presents an efficient PAPR reduction method for OFDM signal. In this paper an efficient PAPR reduction method for OFDM signals is presented. Keywords: ber; clipping; frequency; iterative; method; ofdm; papr; peak; processing; signal; system
• علاقات رياضية لتمثيل بيانات توازن بخار – سائل للأنظمة المتعددة وللتنبؤ بحالة الأيزوتروب by Chasib Al-Jiboury, Khalid Farhod (2007) - Comparison between experimental and literature and calculated values of the azeotropic point for the ternary systems Ternary system System I System II 1-Propanol (1) + Hexane (2) + Benzene (3) Toluene(1)+ Cyclohexane(2) + iso-Octane(3) Experimental Temperature oC 67.4 - x1 0.342 - x2 0.625 - x3 0.033 - Literature Temperature oC No data No datax1 x2 x3 Calculated Temperature oC 67.23 - x1 0.346 - x2 0.628 - x3 0.026 - Azeotropic type Minimum Boiling Azeotropy No azeotropy This page was created using Nitro PDF trial software. The distribution of the experimental vapor- liquid equilibrium data for ternary systems in the composition triangle diagram may be readily appreciated. Keywords: binary; data; equilibrium; hexane; http://www.nitropdf.com/; liquid; phase; propanol; system; temperature; vapor;  
• ايجاد افضل وقت لتسلسل احدى عمليات الانتاج التي تعمل بقدرة الموائع بعد برمجته بعدة خطوات بواسطة المتحكم الدقيق by Khaleel, Shahad Sarmad; Salloom, Maher Yahya; Shammari, Ahmed M. (2020) - ا� �I ھ� درا� �?� I ا���� �. ا�����Mت �UMU I V�� ��( .WT! ! Keywords: system; | �; ا �; ھ �; � !ج; � mت; � y; � |; � ارز; � م; � �
• أستخلاص الكلوروفيل من نبات الجت by Kamal, Isam; Jawad, Dr.Ahmed; Al-Jomaily, Ali Khalid Khudair (2017) - Also a new control card is designed while considering advantages of microcontroller systems the time of curing was controlled automatically by preset values which were input from a push-button switch. Dept. Al-khawarizmi College of Engineering University of Baghdad (Received 14 August 2005; accepted 4 April 2006) Abstract:- In this paper, a microcontroller-based electronic circuit have been designed and implemented for dental curing system using 8-bit MCS-51 microcontroller. Keywords: lamp; microcontroller; sec; system
• Remote Patient Healthcare surveillance system based real-time vital signs by Alsahi, Qunoot N.; Marhoon, Ali F.; Hamad, Ali H. (2020) - �'4�! 2�3 ا�01رات ا�(������ ��8ا�:� ا���38� ا�9(� ا�(;�; �3 /�7< ا��8ھ�ن** *���ت ���� ا���ھ ***!�? 6��? ECG signal in mV � ���� ���������� �������∗��� ���� �! Keywords: data; ecg; fig; health; monitoring; patient; sensor; signal; system; temperature; vol; � �
• تأثير العوامل البيئية على دقة نظام فحص جودة مبني على التعلم بالنقل by Najah, Ahmed; Mustafa, Faiz F.; Hacham, Wisam S. (2021) - Good lighting (used lighting) was a minimum of 6.6Watt and poor lighting was below that minimum value. Table 1, Inspection system layers. Keywords: data; factors; inspection; learning; lighting; model; performance; system; transfer; vision; vol
• السيطرة على رفرفة جناح ثنائي الأبعاد باستخدام مسيطر عصبي لا خطي متكيف by Tawfik, Mauwafak A.; Mohsin, Mohammed I.; Abd Al-Amir, Hayder S. (2018) - The general back propagation algorithm is used to learn the feed forward neural controller and the neural identifier. The modified Elman recurrent neural network model is applied to construct the 2-D wing system neural network identifier as shown in figure (5). Keywords: controller; flutter; layer; model; network; neural; nonlinear; output; sec; system; time; wing
• Developing an Automated Vision System for Maintaing Social Distancing to Cure the Pandemic by Hardan, Fatima; R. J. Almusawi, Ahmed (2022) - **ر�� ن ا��� * ��دان � ط�� *,**��� >;! � H/6@ً ا-!ول 83[ �!3\ ا-?2 ا-Y/6ل أھ� M3 وھ6 ، ا@L+,?9&� وا-,�+`� ، ا-,M&<+b وfH( ، ا-%,+3+ت jk+?' 9&!ة �ا-_&(وس -,6ا19 !f?��. Keywords: algorithm; deep; detection; distance; distancing; faces; learning; people; results; social; system; vol; � �
• ضبط ذكي للتحكم في مناور مرن ثنائي الوصلة مع مشغل كهروظغطي بواسطة منطق ضبابي by Abdulazeem Ali, Marwah ; Abdul Hussein Ali, Ahmed (2022) - The dynamic equation of sensor output of the smart manipulator which is comprise regular beam element equation and piezoelectric beam element is given by [10]: ��� � ��� � � �� � ��� …(1) ���� ����� ���� …(2) Where, � and �, are the global mass and stiffness matrices of the smart beam, respectively, �̈ and � are the acceleration and displacement vectors, �� and ���are the external force applied to the beam and the controlling force from the actuator, respectively. �������������� � 0 !�� #���$ ��������� � � % 0 !��&�ℎ� ��&�ℎ( �)�)�$ � % 0��&��( *��� … (3) And sensor output as [8,9] �����$ +0 ���0 ���, ��������� � … (4) which is obtained in state space form as the final mathematical model given by �� ��� -���� � .) Keywords: control; fig; fuzzy; journal; link; logic; manipulator; piezoelectric; system; vibration; � �
• تقدير طاقة الاهتزاز لصفيحتين متصلتين (ملحومة) باستعمال طريقة تحليل الطاقة الإحصائي by Mohammed, Adnan D.; Ibraham, Hawraa S. (2011) - The equation for the net power transmitted from sub-systems i to j is׃­ jjiiijijtrans EEP ωηωη −=, … (4) Where, ijη , jiη is the coupling loss factor from sub-systems i to j and from sub-systems j to i respectively and it depends on the type of connection between sub-systems, the material properties, the dimensions of the system and the center frequency of the band, ω (rad/sec) Ref. The aim of this work is to find the energy stored in the sub-systems for two coupled (welded) plates in rectangular angle systems and study the effect of changing sub-systems dimensions, the results shows that as surface area of directly driven plates A1 increases energy level of plate 1 increases while a reduction in the energy level of indirectly driven plate (plate 2) is noticed. Keywords: band; center; energy; factor; frequency; journal; loss; plate; power; results; s.e.a; sub; system
• مشغل الزعنفة الكهروميكانيكي الخطي واللاخطي by Mahdi, Shaimaa A.; Abdul Redha, Zeina A. (2018) - Fig.(6) shows the velocity unit–step response with time for linear model model when ζ is between( 0.4 - 0.8), the max value of velocity is between ( 90 – 60) rad/sec. The Nonlinearities in the Control System Nonlinearities in control systems may appear due to one or more combination of the following Keywords: linear; model; response; step; system; time; unit
• Yearly Energy, Exergy, and Environmental (3E) Analyses of A Photovoltaic Thermal Module and Solar Thermal Collector in Series by AL-aridhee, Sameer Teref Azeez; Moghiman, Mohammad (2023) - Keywords: Photovoltaic thermal system, solar thermal collector, environmental analysis, energy and exergy analyses, CO2 reduction. A thermal performance-enhancing strategy of photovoltaic thermal systems by applying surface area partially covered by solar cells. Keywords: cover; electrical; energy; fig; flow; flow rate; glass; mass; mass flow; power; pvt; rate; system; temperature; thermal
• Secure Seaport Management System using Blockchain Technology by Hamad, Ali H. (2023) - Figure (5. a) depicts the transaction throughput, which rises with increasing block size to 100 transactions in each block. Furthermore, with low transmit rates, such as 50 transactions per second, better latency and throughput have been observed when utilizing lower block sizes, such as 10 transactions; hence, increasing block sizes did not significantly affect performance, but it was still apparent. Keywords: block; blockchain; data; fabric; ledger; management; network; performance; port; size; system; technology; throughput; transactions; vol
• استخلاص البومين مصل الأبقار بنظام ثنائي الطورالمائي باستخدام PEG4000 / سترات الصوديوم و PEG8000 / فوسفات الصوديوم by Mahdi, Hawraa A.; Hameed, Khalid W.; A. Ali, Abdul-Jabbar (2023) - In Aqueous Two-Phase Systems, many factors influence the Partition coefficient, K, (which is the ratio of protein concentration in the top phase to that in the bottom phase) and the Recovery percentage (Rec%). [34] F. Dumas, E. Roger, J. Rodriguez, L. Benyahia, and J. P. Benoit, “Aqueous Two- Phase Systems: simple one-step process formulation and phase diagram for characterisation,” Colloid Polym. Keywords: concentration; doi; g/10; partition; peg; phase; protein; rec%; sodium; sph; system; vol
• PDF Comparison based on Various FSO Channel Models under Different Atmospheric Turbulence by A. Atiyah, Mahdi; A. Atiyah, Mahdi; Abdulameer, Lwaa Faisal; Narkhedel, Gaurav (2023) - Therefore, we considered common FSO channel modeling distributions, such as Rayleigh, lognormal, Málaga, Nakagami, K- distribution, Negative-Exponential, Inverse- Gaussian, Gamma-Gamma, and fishier F distributions. In contrast, distribution models such as the natural logarithm, G-G, and k distribution describe weak, medium, and strong perturbations. Keywords: channel; communication; conditions; distribution; fso; gamma; journal; model; optical; pdf; performance; system; turbulence
• تحسين كفاءةِ اللوح الشمسي المقتفي ثنائي المحاور بإستخدام الماء المتدفق ضمن غطائه الزجاجي المزدوجِ by Mohammed, Farag Mahel; Mohammed, Jamal Abdul-Kareem; Nouri, Rasha Ali (2018) - These values were listed as in Table 4 for the three performance responses: irradiance efficiency, panel temperature, and panel voltage. Panel temperature through day time. Keywords: chamber; cooling; efficiency; energy; factor; flow; glazing; heat; irradiance; panel temperature; pv panel; system; table; temperature; voltage; water; wfdg; wfdg system; � �
• Adaptive Robust Tracking Control of Robotic Manipulator based on SMC and Fuzzy Control Strategy by Mary, Ali Hussien ; Al-Talabi, Ahmad; Kara, Tolgay; Muneam, Dina Saadi ; Almuhanna, Mohammad Yahya ; Mayyahi, Laith Awda Kadhim (2024) - − τ] + �̇̃�𝑇L�̃� …(53) �̇� = s𝑇[Y∅ − 𝑘𝑓uf − τr] + �̇̃�𝑇L�̃� …(54) �̇� = s𝑇[𝜌 − 𝜌] + �̇̃�𝑇L�̃� …(55) �̇� = s𝑇[�̃�] + �̇̃�𝑇L�̃� …(56) �̇� = [s𝑇 + �̇̃�𝑇L]�̃� …(57) If �̇̃� = −𝐿𝑇 −1 s …(58) Then �̇� = 0 …(59) τ𝑟 = 𝜌 ...(45) Where �̂� represents estimation of 𝝆 . Keywords: control; controller; fuzzy; method; model; smc; system; ̇ �; � ̇; � 𝑇l
• دراسة المحتوى الحراري لتفكك الكلاثريت (لغاز التبریدR134a الرطب) بالنظامين الثنائي والثلاثي by AL Mukhtar, Riyadh S.; AL Hemeri, Shurooq T.; Mahmood, Lina W. (2018) - ,[8] who performed the experimental measurements to conditions of gas hydrates dissociation were undertaken at range of temperatures and pressures , by using binary and ternary system which consist of refrigerant gases as (R134a, R410a, and R507) with salt aqueous solutions for various salt concentrations. Peng–Robinson equation which is one of the cubic equation of the state given by [23]: Z= � � �- � � � � ������� �� ...(3) Where Z= � � � � …(4) Tr= � �� …(5) Pr= � �� …(6) a(T)=0.457235������ �� α(T) …(7) b=0.077796( � �� �� ) …(8) The expression proposed by Smith H.etal., [24] is used for the α: α(T)=(1+k(1−TR))2 …(9) k=0.37464+1.54226w−0.26992w2 …(10) Equation (3) rearranged to give [25]: Z3+βZ2+γZ+δ=0 …(11) A= a P ���� …(12) Keywords: clathrate; data; dissociation; equation; gas; hydrate; presence; pressure; r134a; refrigerant; salt; system; temperature; water; � �
• متحكم التكامل النسبي المتين PI و رد الفعل الراجع مع مراقب الاضطراب لنظام طائرات هليكوبتر تتحرك بدرجتين من الحرية by Abd Al Kareem Mohammed, Shatha ; Hussien Mary, Ali ; Al‐Abadi, Ali ; Ghufran Khidhir Abboosh, Mohammed ; علي حسين مري (2024) - Keywords: Helicopter system; Robust control; PI controller. This expansion in helicopter applications has led researchers to develop different control methods to improve the performance of helicopter systems Keywords: controller; disturbance; helicopter; model; state; system; vol
• Efficient Multitask Scheduler for Heterogeneous Workloads with Varying Instruction Counts by فاضل, هبه; Fadhil, Heba ; Manickam, Selvakumar (2025) - Task scheduling uses artificial intelligence algorithms based on neural networks and reinforcement learning models, but it demands large training datasets and produces high computational requirements. Different approaches for scheduling tasks exist today as static and dynamic algorithms with separate strengths and matching performance constraints . Keywords: algorithm; counts; execution; instruction; multitask; performance; processor; resource; scheduler; scheduling; static; system; task; time; workloads
• Improving the Performance of Steering by Wire Using a Model Predictive Controller Enhanced with Particle Swarm Optimisation by Alhassany, Taher; Mary, Ali Hussien ; Hussein, Furat Ibrahim; Abboosh, Mohammed Ghufran Khidhir ; Fareed, Muhammad Umar (2025) - [21] M. Z. Mohd Tumari, M. S. Saealal, W. N. Abd Rashid, S. Saat, and M. A. Mohd Nasir, “The vehicle steer by wire control system by implementing PID controller,” J. Telecommun. Electron. [21] M. Z. Mohd Tumari, M. S. Saealal, W. N. Abd Rashid, S. Saat, and M. A. Mohd Nasir, “The vehicle steer by wire control system by implementing PID controller,” J. Telecommun. Keywords: angle; control; doi; model; motor; mpc; performance; predictive; pso; response; steering; system; vol; wheel; wire

• Analysing the Effects of Switching, Conduction and Thermal Losses on IGBT Performance in Boost DC–DC Converters for Photovoltaic Systems by Almawlawe, Muhanad (2025) - Esram and Chapman in [3] reported that the effectiveness of maximum power point tracking (MPPT) techniques in PV systems is closely related to the performance of converters, which, in turn, is dependent on converter losses. [2] M. D. Almawlawe, M. Al-Badri, and E. J. Alshebaney, “Implementation and evaluation of low switching losses converter for solar panel using digital controller,” AIP Conference Proceedings, vol. Keywords: conduction; converter; diode; frequencies; frequency; https://www.scribbr.com/citation/generator/folders/6xey9fyz5iftbvu81n9vxr/lists/24bfyavwhjdcgyculkvnqc/sources/6buika2gi4rytusogoqvft/ https://www.scribbr.com/citation/generator/folders/6xey9fyz5iftbvu81n9vxr/lists/24bfyavwhjdcgyculkvnqc/sources/6buika2gi4rytusogoqvft/; igbt; junction; khz; losses; power; switching; temperature; vol
• تاثير الحافات المحددة من الحركة على ديناميكية الصفائح المرنة حراريا تحت ظروف نهايات مختلفة by Abdul-Majeed, Wael R.; Jweeg, Muhsin J; Jameel, Adnan N (2012) - All Edges are Simply Supported The general governing differential equation of free vibration of thermoelastic plate is represented by [6]: …(1) (7) and the deflection from Eq. (4) into the governing differential equation of free vibration of thermoelastic plate in Eq.(1) noting that 0Mt , one obtains the following frequency equation. Keywords: edges; frequencies; frequency; mode; plate; temperature;  
• دراسة عملية باستخدام مبردة الهواء التبخيرية لغرض تكييف الهواء شتاءاً في بغداد by Hassan, Zainab Hasson; Hanash, Zainab Hassan (2012) - Key words: Evaporative air cooler, Winter air-conditioning, Heat transfer, Heat exchanger. [6] m.m.el-awad and m.m.ahmed; A Preliminary investigation into the use of evaporative air coolers for winter air- conditioning in Khartoum; International Conference and Exhibition on Green Energy & Sustainability for Arid Regions & Mediterranean Countries;(2009);November;pp.10-15. Keywords: air; cooler; cooling; evaporative; exchanger; flow; heat; heat transfer; mass; rate; temperature; transfer; water
• تأثير الجهد المسلط ودرجة الحرارة على الترسيب الكهربائي لثاني أوكسيد الرصاص by Khalaf, Taha Yaseen (2013) - Effect of Applide Potential and Temperature on The Anodic Current Density For the purpose of obtaining more information, we will study the current term anodic current density versus applied potential and this is what is shown in Figure 3 where the anodic current density increases with the applied potential and temperature. In addition, the increase in temperature will lead to increase the kinetic energy of the ions and make it move more quickly and therefore it will be helpful to increase the speed of precipitation reactions, and this whole is the main reason for the increase in anodic current density. Keywords: current; density; dioxide; effect; electrodeposition; increase; lead; potential; solution; temperature
• تعزيز القدرة الخارجة لوحدة توربين غازي مصغرة بأضافة الأيثانول الى الهواء الداخل للضاغطة by Al-Saraf, Abdul Satar J.; Al-Jumaily, Suhad A. R. (2013) - All of the current liquid biofuels used or being considered exhibit a lower heating value less than standard petroleum-based fuel ; thereby requiring a step increase in fuel flow to deliver the same power output. Tests indicated a need for 30% increase in fuel flow concerning the combustion chamber and injectors redesign for burning the much lighter fuel. Keywords: air; engine; ethanol; flow; fuel; gas; inlet; lpg; power; ratio; rpm; temperature; turbine
• استخدام النظرية الجينية لإيجاد حركية تفاعلات تهذيب النفثا الثقيلة لوحدة مصفى الدورة by Saihod, Ramzy H.; Shakoor, Zaidoon M.; Jawad, Abbas A. (2017) - Tables (6 and 7) show comparison between the actual and the simulated reformate compassion of all paraffins components (4 – 11) carbon number, naphthenes and aromatics components from (6 – 11) carbon number through the four reactors in catalytic reforming process. Process flow of four reactors naphtha reforming process. Keywords: aromatics; catalyst; kinetic; model; naphtha; optimization; process; reaction; reactor; reforming; results; run; temperature; vol; weight
• التكسير الحفاز لزيت الوقود العراقي باستعمال الزيولايت ذي الحجم المسامي الكبير والمتوسط by Rahman, Ameel Mohammed; Salman, Mohanned H.; Hammed, Khalid Waleed (2014) - يا�!&%�$ ا��� ز � ***0 �� و��� -��� **���� -%�/ � ن *ا��� ���� ر-�, APQ 6RH9Sاد/ Chem., vol. 41, no. 11, 2564-2573. )2015( 73- 83، ���� 1ا���د، �11 � ا���ارز�� ا���� �� ا�� � ا��� ���� 83 �� ذ������ ا��#�د ا��$ا#� ! Keywords: catalysts; conversion; cracking; et al; lhsv; pressure; temperature; zeolite; zsm-11; zsm-22; � �
• دراسة تجريبية للأنتشارية الحرارية و السعة الحرارية المتعلقة بالفولاذ المقاوم للصدأ المزدوج by Abdul Abas, Riad Harwill; Taieh, Nabil Kadhim (2015) - Then it increases with temperature at higher temperature. It can be seen that the heat capacity increases with the temperature at low temperature and decreases at high temperature up to about 1100 K. Furthermore, the peak can be seen at 773 K (Curie temperature), which is the limit temperature of a ferromagnetic substance, loses its ferromagnetic properties and behaves as a paramagnetic substance. Keywords: capacity; diffusivity; duplex; ferrite; heat; ldx; samples; stainless; temperature
• تأثير درجة الحرارة على انخفاض قدرة وحدات الخلايا الشمسية by Aish, Qais Mohammed (2015) - Equation 1, Equation 2 and Equation 3 repent the relationship between solar module power and other environment parameters (solar radiation G, ambient temperature Ta, solar module temperature Tc; which is strongly function with ambient temperature Ta(see Equation 4), and wind speed vf). According to the experimental measurements solar modules powers decrease against temperatures increasing. Keywords: cell; maximum; module; o c; output; panel; power; radiation; temperature
• القيا س المزدوج للحرارة والضغط باستعمال متحسس الليف البصري المحزز نوع براغ by Mansour, Tahreer S.; Abdulhussein, Fahad M. (2015) - Pressure applied on FBG sensor will affect its physical dimensions and changes the grating period [2]. In this work, uniform FBG was used as pressure sensor based on measuring related Bragg wavelength shift. Keywords: bragg; fbg; fiber; grating; pressure; sensor; temperature
• دراسة مختبرية لمنظومة تبريد تحتوي ثلاثة أنابيب شعريةباستخدام نوعين من موانع التثليج (R12-R134a) by Ali, Issam M.; .Jasim, Hani A (2017) - Capillary tubes commonly used as the expansion and refrigerant controlling device. Thus, a need was felt that if database could be created for more commonly used refrigerants with capillary tubes as expansion devices for smaller refrigeration systems, it shall extremely useful for retrofitting the systems with new or alternative refrigerants. Keywords: min; rev; temperature; tube
• تأثير ادخال شرائط ملتوية على اداء مجمعات الماء الشمسية المسطحة by Hassan, Jafar M.; Abdul-Ghafour, Qussai J.; Mohammed, Mohammed F. (2015) - Water mass flow rate (�� �) �� � � �� . [10] �� � 1000 ∗ �1 � �� � 288.9414� �T � 68.12963�� ∗ �� � 3.9863�� 2. Useful energy (��) ���� ! � �� � . Keywords: collector; flow; heat; plate; rate; ratio; solar; temperature; transfer; twist; � �
• تأثير شكل المقيّد على انتقال الحرارة الطباقي بالحمل الطبيعي في انبوب دائري شاقولي by Salman, Dr. Yasin K.; Mohammed, Hussein Ahmed (2017) - (3) Variation of surface temperature versus axial distance for restriction of (L/D= 20) Fig. (4) Variation of surface temperature versus axial distance for restriction of (L/D= 40) Ts(C) Bulk Air temperature Surface temperature b c c ′′ c′ X(m) a Fig. Keywords: convection; cylinder; fig; flux; heat; number; restriction; surface; temperature; transfer; tube
• دراسة عملية على تأثير ادخال حلقات ليسنغ النحاسية في مادة متغيرة الطور على اداء منظومة خزن حراري by Albaldawi, Rafa A.H; Shyaa, Aseel K.; Hammendy, Ban M.H. (2015) - am = m[Cp� �T� � T���������+a� . ∆���� The second term of equation (1) represents the amount of heat that phase change occurs during it, which means the required heat for transformation from solid to liquid and vice Fig. ا-67ارز(4 ا-0123/. ا-,+*(را&% $#س � 72 ��ت ����� ا������� �� ��دة �����ة ا���ر �� اداء ������ ��درا�� �$��� �� #!�� اد �ل 'ن ��اري **ا��0 ��0 /��ع *را�- �*�س ��+ ا�*�(اوي �$�(ي +�� ***�1ن ��$( ا-+(9. Keywords: air; case; diameter; heat; melting; paraffin; pcm; rings; storage; temperature; time; wax; � �
• تصنيع (تركيب ) و وصف الخصائص للزيولايت النانوي-المتبلور نوع ZSM-5 by Majeed, Najwa Saber; Alnaama, Asir Abduljabbar (2015) - B?ZSM-5ع ا �B)59ر - ا C�@B�D ا $�?BيF &F #( ) :5�*=F ( ��;��� 1=��7 ا -– G� دة ا��9�Lا K=ار�� و-�J9#ام ا �/Gھ L�95�*=F N�$8F &F ��-: O �5 ا@و� :Al2O3:86SiO2:5.5TPA:12.7Na2O:3.4Trien:3320H2O ا 9=* ��?�P �5 ا� Al2O3:68SiO2:5.4TPA:10Na2O:2.6Trien:2626H2O : ا 9=* >;���QR ا S9 ا Q/اBR =�T�F �درا– C�@Bز� V;�8W O)R اري=K اZSM-5 ي يذB?�$9�ھ< ا 8,= ( ا YK& ا $�/L ھ]ه ا .Bا/Q در�0 .)ا �\ز/L ا B)59ر و ا B)59روا K=ارة *=9) ��]$��دة ا .^��B ا ��D ا �B)Kل (*=F و. =volume of gas (N2) adsorbed Each cubic centimeter of N2 adsorbed (then desorbed) by the sample is equivalent to total surface area (St) of 2.84 m2 , the specific surface is found by dividing St by the weight of the sample in the cell in grams The complex form of BET equation. 1111111111111111111111111111 � �(����) = � � + �� � � ���� Keywords: crystallinity; crystallization; gel; nano; results; surface; temperature; template; time; vol; zeolite; � �
• دراسة تجريبية على تأثير توزيع انابيب المكثف لثلاجة منزلية by Mutasher, Dheya Ghanim (2017) - �� 1، ا���د�12ا������� ا������� ا���ارز� � ���ء ��� ���� 35 1�� �ز&0 ا��/�. ان ga�(!�;'hi ا '< K+!����45 ا�. Keywords: condenser; conventional; elliptical; heat; load; pressure; refrigerator; temperature; tube; ا �; � �
• تحليل الطاقة والطاقة المتاحة على برج تبريد رطب مغلق مطوّر في العراق by Mahdi, Qasim Saleh; Jaffal, Hayder Mohammad (2017) - Variation of exergy destruction with cooling water flow rate for different spray water flow rates. 0 0.2 0.4 0.6 0.8 1 1.2 15 20 25 30 35 40 45 50 ΔEX ̊water ΔEX ̊air Flow rate of spray water [ l/min ] E x er g y ch an g e [ % ] m̊a=0.22 kg/s Qcw=10 l/min Tawb= 19.5 ̊ C 0 0.2 0.4 0.6 0.8 1 1.2 1.4 30 35 40 45 50 55 60 ΔEX ̊water ΔEX ̊air Inlet cooling water temperature [ ̊C Keywords: air; cooling; efficiency; exergy; heat; inlet; min; packing; rate; spray water; temperature; tower; water; water flow; water temperature; 𝑇𝑐𝑤
• نمذجة رقمية لتاثير زاوية المجمع على سلوك الجريان في منظومة مدخنة شمسية لتوليد القدرة by Al-Taaie, Arkan K.; Mohammad, Waheeds S.; Jubear, Abbas J. (2017) - After it has been to create a geometry where we have one volume where is defined the specify boundary types of solar collector, solar chimney and the base such as the WALL , while the entry and exit zone type is Inlet and Outlet-Pressure. Keywords: solar chimney; solar energy; collector; natural convection. Keywords: chimney; collector; d=6; fig; flow; insolation; power; temperature; velocity
• دراسة عملية وعددية لتأثير شكل المجمع على إداء المدخنة الشمسية by Shyaa, Aseel K.; Albaldawi, Rafea A. H.; Abbood, Maryam Muayad (2017) - ت�G�B4ار ,�`g4 8�ا�!�ف (F ھ9ا ا�-b5 ھ& درا �����O'�� ھ&١.٢٨ان ا�'L�ام ا0ر�B4ع n �7 ا� '� G.( m6� )�T; ا���; � ةا�#,ع ا�9ي M4&م j+,5'7 ر+i ا�'&رF�7 ا��&%&د(ا�#,8G اToJ0ا p-#�وا �,�G ا�*,+�ن .J ز+�ده X�s4دي ا�X ز+�ده J. ذاك G� T�DM4 ا0ر�B4ع F�7 ا�#QM وا��Mع 8W�#) F) T�DM4 . را-$ * �� ���� ���عأ *،**،***������������ ا� !��&%��/ $# ا& �'� ا�*�()� ا aseelkhshyaa@yahoo.com �+,-�:ا0��',و�. Keywords: air; area; chimney; collector; flow; h �; model; power; reduction; temperature; velocity; ا �; � �
• تحويل المواد اللكنوسليلوزية الى سكريات قابلة للتخمر by Mohammed, Asem Hassan; Behrendt, Frank Behrendt; Methner, Frank Jürgen (2017) - �;T uQو +D%!ا?,Aا : B�;��� ا@�B' ا!);�T)٠.١ 'd /م�O!ا ��+�D!ا! 5;� ا ?Q ن�T+;T 'd( ، ��+�D!ا! 5;� ا B�T=,٥٠ 'd /I0> ٧٢]ل ! 5!ز�� وا+;��� !;�+اد ا!; Keywords: + �; biomass; g glucan; glucan; hydrolysis; lignin; pretreatment; temperature; xylan; yield; × �; ا! �; � +; � −; � �
• دراسة كفاءة السيريوم اوكسايد كعامل مساعد في تحطيم صبغة الاورانج ج بواسطة عملية الاكسدة by Alwash, Atheel (2017) - ا,��+#و: ��2� ا �د ا���#;�درا;� :���� ��819 6.7� ا,ورا(4 ج 2� ا�.01$-ف '��م او ��- ا�%�(�ي ط� :���� ا, �-ة 2 @A7�2BA1&ي اCوا� ��%D9 �9@ !: E�;#+ا� ����: F#ط . G%Dا�� BA1ا�� �2%� H�IJ9 �9 ال �د ا���%���� ا��1Lت و&%$� ا��%N9 ام :-ة-I+;�2XRD ، �رCة ا��Nا� #$P& وAFM ، H�IJ9 �ة ا���8� 2� FTIRا,وا7# ا�#ا82� I+;�2-ام PQ ;�و���س �طdiffuse reflectance spectra . ����A Yءة ازا�� ا�: #L�.& #�TZ9 �$� (+ا� [:�A+�6#ات ا�+& !& --���&] ا����:- ا��G%D �9 درا;� ا��� H�IJ+ا� ���2�- ا;+���ل :� Sل و�`a ن [:�A+و&%$� ا� ،�c���&] ا����:- �- و7�S ا�Y . Keywords: catalyst; ceo2; cerium; dye; orange; oxide; reaction; temperature; vol; ا �; � �
• تأثير العمر التشغيلي لفترات زمنية طويلة على الخصائص لسبيكة الفولاذ المقاوم للصدأ الاوستنايتي من النوع H والتي تعمل بدرجات حرارة عالية321 by Al-Khazraji, Ahmed Naif; Amin, Samir Ali; Al-Warmizyari, Husam Ahmed (2017) - Because of the rarity works on austenitic stainless steel material type AISI 321H, in this work, ultimate tensile strength, yield strength, elongation, hardness, and absorbed energy by impact are Samples of tubes are extracted from furnace belong to used to make comparisons between these properties. temperature increases; the trend of properties decreasing for the samples of un used material. Because of the rarity works on austenitic stainless steel material type AISI 321H, in this work, ultimate tensile strength, yield strength, elongation, evaluated based on experimental data obtained from mechanical testing. Keywords: 321h; hardness; impact; material; properties; steel; strength; temperature; tensile; test; type
• نمذجة الخلية الفوتوفولتائية احاديه الكريستالين أخذين بنظرالأعتبارالظروف الجوية في مدينة بغداد by Abd Al-Wahed, Mohammed E.; Abdullateef, Osamah F. (2017) - The ambient temperature has a strong influence on performance of PV solar cells when the ambient increase, the cell temperature increase, therefore decreasing in voltage will occur, causing drop in the power of PV solar cell. 2. Simulink model of weather factors effect on performance of PV solar cell. Keywords: cell; power; radiation; temperature; value
• ازالة اللكنين من سعف نخيل التمربأستخدام طريقة المذيب العضوي المعدله by Mahdi, Yasmeen Salih; Mohammed, Asem Hassan; Mohammed, Alaa Kareem (2017) - ODW = Weight������ ��! � #���# − Weight������ �!$�� #���# Weight������ ��!� #���# …(2) Two milliliter of liquor was diluted with 4 ml distilled water in dried test tube ,then the(UVabs) absorbance was measured at wave length 320 nm Keywords: biomass; content; ethanol; lignin; min; percent; process; ratio; temperature; time; vol; water; weight �; � �
• امثلية وصلات الربط الانتشاري للنحاس خالي الأوكسجين عالي الموصلية مع الفولاذ المقاوم للصدأ 304L: . by Akbar, Ahmed Ali Akbar; Ajeel, Sami Abualnoun A; Hassoni, Safaa Mohammed (2019) - 3. (A) A set of diffusion bonding joints at different bonding conditions. ( B) Fracture of diffusion bonding joints. Keywords: bonding; copper; diffusion; duration; joints; mpa; steel; strength; temperature; time; value
• تحليل السلوك غير المستقر لطاقة الأشعة الشمسية المخزنة في المادة ثنائية الطور المدعمة برغوة النحاس باستخدام طريقة السعة الحرارية المكافئة كنموذج خزن by Murtadha, Talib K.; Salih, Hussien M M. S; Salman, Ali D. (2019) - 3. (A) A set of diffusion bonding joints at different bonding conditions. ( B) Fracture of diffusion bonding joints. Keywords: bonding; copper; diffusion; duration; joints; mpa; steel; strength; temperature; time; value
• أذابة ألياف السيليلوز في المحاليل القاعدية by Mahdi, Yasmeen Salih; Mohammed, Asem Hassan; Mohammed, Alaa Kareem (2022) - 3.1.4 Effect of Urea Addition The effect of adding urea to NaOH solution on cellulose fibers dissolution was studied, a solution of NaOH and urea with proportion (6%NaOH and 4% urea) was used to enhance cellulose fibers dissolution or stimulate crystalline polymerization [16] Y. Wang, “Cellulose fiber dissolution in sodium hydroxide solution at low temperature: Dissolution kinetics and solubility improvement,” p. 133, 2008. Keywords: cellulose; concentration; dissolution; fenton; fibers; naoh; reagent; sample; temperature; urea; vol; � �
• أذابة ألياف السيليلوز في المحاليل القاعدية by Mahdi, Yasmeen Salih; Mohammed, Asem Hassan; Mohammed, Alaa Kareem (2019) - 3.1.4 Effect of Urea Addition The effect of adding urea to NaOH solution on cellulose fibers dissolution was studied, a solution of NaOH and urea with proportion (6%NaOH and 4% urea) was used to enhance cellulose fibers dissolution or stimulate crystalline polymerization [16] Y. Wang, “Cellulose fiber dissolution in sodium hydroxide solution at low temperature: Dissolution kinetics and solubility improvement,” p. 133, 2008. Keywords: cellulose; concentration; dissolution; fenton; fibers; naoh; reagent; sample; temperature; urea; vol; � �
• تحلية المياة عالية الملوحة باستخدام غشاء التقطير ذي الاتصال المباشر by Ibrahim, Salah S.; Ameen, Noor A. Mohammad (2019) - [5] Gryta M., Influence of polypropylene membrane surface porosity on the performance of membrane distillation process, Journal of Membrane Science, 287, PP. Thermal process typically involves saline water boiling or evaporation then collecting resultant distillate, examples of such process are multi-effect desalination and multistage flashing while membrane process produces fresh water from the saline water using reverse osmosis (RO) principle at a high pressure Keywords: distillation; feed; flux; membrane; permeate; process; temperature; water
• التخمين النظري للتوزيع الامثل للماء المثلج في الوحدات الطرفية في منظومة التكييف المركزية by Saleh, Ahmed Abd Mohammed; Shabeeb, Ali Reyadh (2019) - For turbulent: K� = 0.023*\l(.�*;�(.� … (21) where ;� = P�∗� B … (22) C) Flow variation and standard deviation The following equation evaluates the standard deviation: �� = �� c ∑ (���� − c3�� ���� )² … (23) where, (�����,�����.…flow�) are the values of the flow calculated and � ���� � is the average value of these flow, while the denominator N stands for the size of the sample(in the present work = 3). Ahmed Abd Mohammed Saleh Al-Khwarizmi Engineering Journal, Vol. 14, No. 2, P.P. 137- 146 (2018) 139 A) Hydraulic model To calculate the head losses in the pipe: h� = h������ + h��� �� ... (1) Keywords: flow; heat; opening; rate; supply; temperature; valve; water; � �
• ايجاد القيم المثلى للمعدن المزال وللحرارة خلال عملية التشغيل بالحك المغناطيسي لمعدن الفولاذ 304 by Kadhum, Ali H.; Murad, Hanan H. (2019) - D (mm) MRR steel (g/min) S/N ratio Mean (g/min) TR. (°C) 1 250 5 1.5 1 0.0155 -36.1934 0.0155 28 2 250 10 2 1.25 0.0090 -40.9151 0.0090 24.1 3 250 15 2.5 1.5 0.0400 -27.9588 0.0400 49.6 4 250 20 3 1.75 0.0350 -29.1186 0.0350 68.5 5 500 5 2 1.5 0.0278 -31.1191 0.0278 35.9 6 500 10 1.5 1.75 0.0263 -31.6009 0.0263 32.8 7 500 15 3 1 0.0399 -27.9805 0.0399 54.9 8 500 20 2.5 1.25 0.0465 -26.6509 0.0465 70.3 9 750 5 2.5 1.75 0.0178 -34.9916 0.0178 22.3 10 750 10 3 1.5 0.0330 -29.6297 0.0330 41.5 11 750 15 1.5 1.25 0.0300 -30.4576 0.0300 34.1 12 750 20 2 1 0.0349 -29.1435 0.0349 39.9 13 1000 5 3 1.25 0.0480 -26.3752 0.0480 41.9 14 1000 10 2.5 1 0.0298 -30.5157 0.0298 40.3 15 1000 15 2 1.75 0.0350 -29.1186 0.0350 35.0 16 1000 20 1.5 1.5 0.0200 -33.9794 0.0200 29.2 Ali H. Kadhum Al-Khwarizmi Engineering Journal, Vol. 13, No. 4, P.P. 22- 29 (2017) 26 Table 5, The effect of the (S/N) ratio and mean of MRR stainless steel 304. The mean squared deviation (MSD) and (S/N) ratio are determined by the equations: �� � ! ∑ $ !%&'() *+! ...(2) �/- Keywords: maf; mrr; parameters; process; ratio; steel; temperature; working; � �
• إستخدام نظام الترمودَك للتبريد/ التسخين الأوّلي للسّيطرة على الظروف الداخلية للبناية by Mohammad, Wahid S.; Murtadha, Talib K.; Ahmed, Karrar A. (2014) - At inlet air velocity equal to 1m/sec the room temperature reduced from (38°C to 20°C) at inlet air temperature equal to 16°C and from (38°C to 23.5°C) at inlet air temperature of 18°C. The slab surface temperature reduced from (41°C to 23.5°C) at inlet air temperature equal to 16°C and from (41°C to 26.5°C) at inlet air temperature equal to 18°C with inlet air velocity of 1.6 m/sec. Keywords: air; inlet; load; slab; temperature; time; velocity
• Experimental Performance of a Finned-tube Silica Gel Adsorption Chiller for Air-Conditioning Application by Atiya, Mohammed A.; Lattieff, Farkad A.; Al-Hemiri, Adil A. (2014) - Study of a novel silica gel–water adsorption chiller. Experimental performance of a silica gel– water adsorption chiller. Keywords: adsorbent; adsorption; bed; cooling; cop; cycle; heat; performance; temperature; time; water
• تأثير نوع القاعدة على درجات حرارة مدخنة هوائية في أجواء مدينة بغداد- العراق by Chaichan, Miqdam Tariq (2019) - The first studies on solar chimneys were reported in 1993 by Bansal et al. Khedari et al. in 1999 made a comparative study among different configurations of solar chimneys classified as, roof solar collector, modified Trombe wall, Trombe wall and metallic solar wall. Keywords: air; basement; black; chimney; collector; concrete; energy; ground; http://www.nitropdf.com/; solar; temperature; tower
• تخمين ناتج الاستخلاص و معامل انتقال المادة في عملية الاستخلاص بالمذيب لزيت التزييت by Hussain, Hussain K. (2010) - The fraction of total solvent in the raffinate phase decreased with increasing oil to solvent ratio in raffinate layer because the increasing solvent power (solvent to charge oil ratio) at constant temperature gives high extraction efficiency and as solvent power increased, the solvent in raffinate decreased proportionally with the decreasing of raffinate yield of oil which keeps the increase of R. The reverses of extract phase in which solvent increased, in the solvent power also increased. The fraction of total solvent in the raffinate phase decreased with increasing oil to solvent ratio in raffinate layer because the increasing solvent power (solvent to charge oil ratio) at constant temperature gives high extraction efficiency and as solvent power increased, the solvent in raffinate decreased proportionally with the decreasing of raffinate yield of oil which keeps the increase of R. The reverses of extract phase in which solvent increased, in the solvent power also increased. Keywords: charge; coefficient; extraction; increasing; log; mass; mass transfer; oil ratio; phase; raffinate; solvent; temperature; transfer; transfer coefficient
• ومعالجات الماء المنتج من الحقول النفطية by Abid, Balasim A.; Sultan, Abbas J. (2010) - Pool Boiling Models and Correlations for Binary Mixtures The most popular empirical correlation for the prediction of boiling heat transfer coefficient is that of Stephan and Korner [7]. Pool Boiling Models and Correlations for Binary Mixtures The most popular empirical correlation for the prediction of boiling heat transfer coefficient is that of Stephan and Korner [7]. Keywords: acetone; binary; boiling; boiling heat; butanol; component; correlation; ethanol; heat transfer; liquid; mixtures; nucleate; pool boiling; temperature; transfer coefficients; water
• دراسة تأثير الكاولين كمادة مضافة لزيت الوقود على منع التآكل بجانب الاحتراق الخارجي لانابيب المرجل البخاري المحمص by Ali, Alaa' Mshjel (2010) - It is clearly shown that increasing temperature range leads to higher corrosion rate, and this increase confirm the exponential relationship. During combustion, sodium reacts with the sulfur to form sulfate, which deposited on boiler tubes surfaces causing high temperature corrosion. Keywords: additive; ash; corrosion; effect; http://www.nitropdf.com/; metal; rate; temperature; time
• انتقال الحرارة بالحمل الحر في تجويف مائل بين فجوتين مربعتين متحدتين المراكز ممتلئ بوسط مسامي و مسخن بدرجة حرارة غير منتظمة by Jasim, Nabeel Mohammed (2010) - It is also noticed that from above figures the temperature gradient is positive in the left top corner of annulus which leads to negative values of Nusselt number as shown in Fig. Also It is seen that the effect of  on Nusselt number is more pronounced as the Ra number increase for a given values of f. 5.2. Keywords: dr=; heat; hot; http://www.nitropdf.com/; number; nusselt; temperature; transfer; values; wall
• تأثير خشونة السطح على الاداء الحراري للمساند المقعدية منحرفة المحاور by Abass, Basim Ajeel; K., Mustafa Mohammed (2010) - Abstract In this work an approach has been developed to investigate the influence of surface roughness on thermohydrodynamic performance in aligned and misaligned journal bearings by considering an average flow model and deriving the shear flow factor for various roughness configurations, similar to the pressure flow factor. Keywords: Thermohydrodynamic performance, surface roughness, misalignment, journal bearing 1. Keywords: bearing; eccentricity; film; flow; http://www.nitropdf.com/; journal; journal bearing; misalignment; pressure; ratio; roughness; surface; temperature; vol
• معامل انتقال المادة خلال الحماية الكاثودية لحديد واطئ الكاربون في مياه البحر by Hameed, Khalid W.; Khadom, Anees Abdullah; Rahman, Ameel Mohammed (2009) - 3. Results and Discussion I. Sacrificial Anode Cathodic Protection System: Zinc consumption rate: Before calculation of mass transfer coefficient, kd, it must measure the zinc consumption rate in order to show variables effect on corrosion, where kd is an indication to reaction rate (corrosion rate). iL = icorr is indication for corrosion rate, where the high value Khalid W. Hameed Al-Khwarizmi Engineering Journal, Vol. 5, No. 1, PP 20-32 (2009) 26 of iL means the high corrosion and vise versa. Keywords: cathodic; corrosion; o c; polarization; rate; temperature
• أستقصاء توزيع الأجهادات الحرارية في عملية اللحام النقطي بالليزر by Abdulateef, Osamah F. (2009) - The numerical analysis based on 3-D finite element analysis of heat flow during laser spot welding taken into account the temperature dependence of the physical properties and latent heat of transformations using ANSYS code V.10.0 to simulate the laser welding process. During laser spot welding, an intense beam is focused onto a small area. Keywords: analysis; beam; heat; laser; material; process; sec; spot; stresses; temperature; welding
• تأكل أنابيب الصلب الكربوني في منظومة الجريان لمحطة تحليه المياه by Atiya, Mohammed A.; Kadhim, Fadhil S. (2008) - (13) Fadhil,S,Kadihim,M.Sc.,Thesis”Investi gation of carbon steel corrosion under two phase and Multi- phase flow in horizontal pipes”, Petroleum Eng. On the other hand the variation of corrosion rate with temperature in the range of (293–333 oC) was found to follow Arrhenius equation and the activation energy approximately the same except at low Reynolds number. Keywords: corrosion; rate; reynolds; steel; temperature; water
• تأثيرات انواع مولدات الدوامة على انتقال الحرارة وشكل الجريان في المجاري المستطيلة by Mohammed, Waheed S.; Ahmed, Sabah Tarik; H., Laith J. (2008) - (7) highlighted the effects of case D on the flow, temperature and Nu for laminar and turbulent flows, the horizontal rib at ( z = 0.484 m & y = 0.09 m ) and the vertical one at ( z = 1.054 m & x = 0.18 m ) while (Tin=16 Co & Twall=40 Co ) for laminar flow and ( Tin=10 Co & Twall=40 Co ) for turbulent flow. and cross flow velocity contours (fig. Keywords: duct; fig; flow; heat; temperature; transfer; velocity; wall;  
• دراســــة سلوكيــــة وانتقال الكتلة والحرارة في أعمدة التقطـــير ذات المفاعـــل by Radhaa, Majid S.; Sukkar, Khalid A.; Ali, Jamal M.; Shakoor, Zaidoon M.; Manwel, Niran (2008) - This is attributed to the high surface area available for liquid vapour contact in packed type column, which leads to increasing mass transfer rates. This is attributed to the high surface area available for liquid vapour contact in packed type column, which leads to increase in the rates of mass transfer. Keywords: acid; catalyst; column; conversion; distillation; distribution; esterification; mode; operation; reaction; reflux; temperature
• انتاج انزيم البروتيز من نخالة الحنطة by Atiya, Mohammed A. (2018) - Table 1 Hydration ratio effect on enzyme activity and enzyme yield at constant temperature of 32°C, incubation period of 100 hours and pH = 2. Aspergillus Niger can be grown well in middle temperature range around 32oC. Table 3 Effect incubation temperature on enzyme activity and enzyme yield at constant pH =2.5, incubation period of 100 hours and hydration ratio 1:3. Keywords: activity; effect; enzyme; hydration; incubation; temperature
• محاكاة انتقال الحرارة بالحمل الحر من صفيحة مسخنة نحيفة مائلة داخل تجويف مربع by Zahra, Qahtan Abdul; Mehdy, Ahmed N.; Sahib, Nora M. (2009) - Abstract Simulation of free convection heat transfer in a square enclosure induced by heated thin plate is represented numerically. For the vertical situation (γ=90°) of thin plate, heat transfer becomes more enhanced than for the horizontal situation (γ=0°) and the inclined situation (γ=45°) especially when the value of aspect ratio A1 is equal to 0.25. Keywords: aspect; heat; number; plate; ra=10; temperature; transfer;  
• تشخيص تشتت المعدن لبعض العوامل المساعدة المستخدمة في تهذيب النافثا بتفاعل إزالة الهيدروجين لمثيل سيكلو هكسان by Ali, Ahmed J.; Rahman, Ameel Mohammed (2009) - It is clearly appeared from above discussion that the Pt–Ir catalysts behave like Pt catalysts as found by Ramaswamy et al. [4] Duprez, D.; Hadj-Aissa, M.; Barbier, J., “Effect of Steam on the Coking and on the Regeneration of Metal Catalysts: A Comparative Study of Alumina-Supported Platinum, Rhenium, Iridium and Rhodium Catalysts, Stud. Keywords: catalysts; dehydrogenation; dispersion; metal; methyl; platinum; reaction; reduction; temperature
• دراسة تأثير متغيرات عملية التمييء على إنتاج بروتين الصويا المتميئ by AL-Bahri, Mohammed B.; AL-Naimi, Safa A.; Ahammed, Sundus H. (2019) - [1]. DH% = [(AN of hydrolysis protein – AN of protein) / Protein was added with 33% HCl in a 1:1 ratio by weight, the conditions of protein hydrolysis was Mohammed B. Al-Bahri Al-Khwarizmi Engineering Journal, Vol. 5, No. 4, PP 25 -38 (2009) 28 in a reactor with 130 C, 2.5 atm , for 4 hr [13].On the other hand, Al-Aaragi (1994) treated sample of soybean flour with 6 N HCl at 110 C in an evacuated tube for 24 hr, to determine the amino acid composition of soya proteins , above conditions, it is necessary to complete hydrolysis of soybean protein according to Toffer procedure for analysis[14]. Keywords: acid; amino; concentration; degree; effect; hydrolysis; process; protein; soya; temperature; time
• النموذج الحراري والانصهاري الناتج من الحزمة الليزرية على المواد الصلبة by Mustafa, Faiz F. (2019) - The thermal analysis was conducted using temperature dependent thermal material properties the values of these properties for aluminum 2519 T87and stainless steel 304 are shown in Table 2 were taken from [10-11]. 2. Mathematical Model The geometry of laser irradiation and the resulting liquid and solid regions are shown in Fig. Keywords: aluminum; depth; element; finite; laser; material; melting; solid; temperature; time
• دراسة متغيرات السلوك الحراري لجدران غرفة الدفع بوجود مجاري التبريد by Amori, Karima E. (2007) - Highest temperature values indicated at lines located far from cooling channel, while the coldest lines are those pass through it due to cooling process. Parametric study of thermal behavior of thrust chamber cooling channels Dr. Karima E. Amori Mech. Keywords: chamber; channel; heat; temperature; thrust; wall
• انتقال الحرارة بالحمل الحر باستخدام مقاطع مختلفة الاطوال وموضوعةعند مخرج انبوب دائري شاقولي معرض لفيض حراري ثابت by Salman, Yasin K.; Mohammed, Hussein A. (2007) - An FEM computer code was applied for analyzing the influence of various parameters on the flow structure and heat transfer. average heat transfer correlation The general correlation obtained from dimensional analysis for heat transfer by free convection available in Incropera and Dewitt (2003): n 1Nu f ( Gr, Pr )= ………………(23) Keywords: air; convection; heat; heat transfer; length; m^2; number; restriction; surface; temperature; transfer; tube
• رفع خواص نفط خام شرقي بغداد الثقيل by Hussain, Hussain K.; Ali, Salah M.; Ali, Yazan M. (2011) - The purpose of distillation is to separate the light distillates (light fractions) which represent 35% of heavy crude oil, and to obtain the reduced crude oil. The heavy residue (9 API) is extracted with Iraqi light naphtha to get the deasphaltened oil (DAO), the extraction carried out with temperature range of 20-75 oC, solvent to oil ratio 5-15:1(ml:g) and a mixing time of 15 minutes. Keywords: api; crude; effect; hussain; increasing; oil; ratio; solvent; temperature
• اختيار افضل موقع لنظام الحاجز الاشعاعي في السقوف المهواة مزدوجة الطبقة by Ghanim, Mohannad R.; Ahmed, Sabah T. (2020) - Theory The rate of heat transfer per unit area (��) measured from the upper plate is equal to the rate of heat transfer by convection to the air in the cavity and the rate of heat exchange by radiation with the lower plate as follows [13]: �� � �� �� � � �� �� 1 � 1 �� � 1 … �1� Where T and T� are the average temperature of the upper and lower plate respectively in K, σ is the Stefan–Boltzmann constant and it is equal to 5.67 × 10-8 W/m�K�, and ε and ε� are the inner surface emissivity of the upper and lower plate respectively. ��. 1 � ��.� ��. Keywords: fig; heat; model; plate �; radiation; roof; skin; surface; temperature; � �
• دراسة تاثير التعتيق الحراري على مقاومة التآكل الكيميائي النقري للفولاذ المقاوم للصدأ المارتنسيتي by Assi, Abdullah Dhayea (2021) - Click forms in aging samples at different time temperatures Figures (17) to (19) show microscopic images of aging samples at different aging temperatures and times tested by accelerated testing. Microscopic images of aging samples for 4 hours at different aging temperatures. Keywords: aging; austenite; chemical; corrosion; hours; martensitic; rate; samples; temperature
• تحليل توزيع درجات الحرارة والاجهادات المتبقية في صفائح الالمنيوم 6061 الملحومة باليزر باستخدام طريقة العناصر المحددة by Numan Mohammed, Sanaa (2011) - Finite Element Analysis In laser welding process the focal spot is targeted on the workpiece surface which will be welded. References [1] Petretis Br, Balciuniene M. Peculiarities of laser welding of metals. Keywords: analysis; element; figure; finite; heat; laser; plate; stresses; surface; temperature; thermal; welding
• تاثير النسب الوزنية ودرجة الحرارة على الحجم الزائد للاساسات زيت التزليق بوجود المضافات الهيدركاربونية (زيت الغاز+ التلوين + الريفورميت) by N. Slaiman, Ezzat; M. Al-Qamaje, Haidar; Z. Atta, Shahad (2011) - The density data obtained for each heavy oil- stock/spike pairs are reported in the form of excess volume VE at a given mass fraction of spike X2 as shown in Table (6). Temperatures in the range of 30-40 °C have a minor effect on excess volume of heavy oil-stock binary mixture thus, insignificant expansion or shrinkage is observed by increasing the temperature this effect becomes more significant although the heavy oil-stocks is spiked with hydrocarbons like (gas oil, toluene and reformate). Keywords: binary; gas; mixtures; oil; reformate; stock; temperature; toluene; volume; ° c
• A review on Activated Carbon Prepared from Agricultural Waste using Conventional and Microwave Activation by Taki, Estapraq Ameen; Salman, Sami D. (2023) - In recent years, attention has turned to microwave technology instead of traditional heating in the preparation of activated carbon from agricultural waste and products as an interesting alternative approach in providing many advantages, including: i. Reducing the time required for production, which means lower energy consumption required for activated carbon preparation. The waste tea was studied also by [46] for activated carbon preparation using K2CO3 for activation. Keywords: activation; adsorption; area; carbon; chemical; doi; heating; impregnation; microwave; preparation; surface; temperature; time; vol; waste
• استرجاع الألمنيوم من المخلفات الصناعية )الخبث) بواسطة عملية الصهر وعملية التنقية by Ali, Maytham Mahmood; Yassen, Rabiha Saleh (2018) - Effect of Adding KAlF4 flux The effect of adding KAlF4 flux on the melting of aluminum slag was studied, and the ratio of adding KAlF4 flux is in the range of (0 - 10). Extraction of aluminum starts with bauxite mining, bauxite is processed into alumina, and then alumina is processed into aluminum metal. Keywords: aluminum; flux; fluxes; journal; kalf4; kcl; melting; molten; nacl; process; slag; table; temperature; weight; � �
• دراسة تاثير معاملات التشغيل على توزيع درجة الحرارة وعمر الاداة اثناء تشغيل الفولاذ المقاوم للصدأ316L by Akbar, Ahmed A.; Shwaish, Raed R.; Hadi, Naba D. (2018) - The product (ρc) represents “the specific heat per unit volume” may be given by using the following units: (Ts − Tr) � (���/�� ) ���(���)� (�� �� ⁄ ) � (� (��� ℃)⁄ )� …(2) T1 = T/ − �!�B՝E R1 = T 6� − �! Keywords: chip; cutting; feed; fig; heat; increase; life; speed; temperature; tool; � �

• خَلْق نقاطِ بينية في الدالة الخطيةِ المندمجة مع مسار القطع المكافىءِ بطريقةِ تحقيقِ الأمثلية by Saeed Al-khayyt, Saad Zaghlul (2018) - In this work, it is proposed to engage modified LSPB trajectory with particle swarm optimization (PSO) so as to create through points on the trajectory. Also, exact solution of velocity can be used for LSPB path segment when there is acceleration from zero velocity to linear velocity and deceleration to zero velocity. Keywords: acceleration; journal; linear; lspb; method; modified; optimization; parabolic; particle; path; points; pso; time; trajectory; velocity
• تعظيم تقنية لحام القوس المسماري بواسطة الانتفاع من مقاربة المنطق المظبب by Abid AL-Sahib, Nabeel K.; Moosa, Amer A. (2013) - Usually, to find the influence of controlling parameters on welding process a large number of experiments needed. (For coated type in fuzzy range the value of its tensile stress was ignored to get more accuracy and it did not affect the manipulation as checked on its availability in crisp case). Keywords: arc; factors; process; range; strength; stud; tensile; time; welding
• موالفة المسيطر التناسبي-التكاملي-التفاضلي بالشبكة العصبية لتتبع مسار ذراع روبوت by Saeed Al-Khayyt, Saad Zaghlul (2017) - Neural Network PID Self Tuning For undetermined system’s model, experimental methods such as Ziegler-Nichols tuning rules may be used to design PID controller. The conventional PID controller in the robot manipulator is replaced by NN self tuning PID controller so as to achieve trajectory tracking with minimum steady-state error and improving the dynamic behavior (overshoot). Keywords: controller; error; link; network; pid; robot; self; time; tuning
• تثقيب المادة المركبة (فايبر كلاس) باستخدام النبضة المفردة لليزر النيدميوم – ياك by Abdulateef, Osamah F.; Khalid, Enas A.; Hoss, Amer G. (2013) - W.S.O. Rodden, S.S. Kudesia, D.P. Hand, J.D.C. Jones, 2002, [7], the results of an extensive experimental study of the free running Nd:YAG laser drilling of a multi-layer carbon fiber composite, where adjacent layers had differently orientated fibers. [7] W.S.O. Rodden*, S.S. Kudesia, D.P. Hand, J.D.C. Jones , A comprehensive study of the long pulse Nd:YAG laser drilling of multi- layer carbon fiber composites, Department of Physics, Heriot-Watt University, Edinburgh EH14 4AS, UK, Optics Communications 210, 319–328(2002). Keywords: beam; composite; drilling; fr-4; glass; heating; hole; laser; peak; power; pulse; time; yag
• تحليل سلوك المرونه الهوائيه لشفرة توربين رياح بأستخدام نموذج للتداخل التام بين المائع والهيكل by Tawfik, Mauwafak A.; Abu-Tabikh, Mohammed I.; Hamdoon, Farouk O. (2013) - Aeroelasticty of wind turbine blade is one of main considerations for the design of wind turbine, because aerodynamic loading causes blade to bend mostly in flapwise direction, and causes blade section to twist to create new fluid fields surrounding the blade. This interaction between aerodynamics and deformation of wind turbine blade may lead to twist to create new fluid fields surrounding the blade. Keywords: angle; blade; time; turbine; velocity; wind
• تصميم مسيطر عصبي تناسبي تكاملي تفاضلي لاخطي للسيطرة على سرعة محرك تيار مستمر ثابت المغناطيسية مبنيا على أساس الخوارزمية الأمثلية by Al-Araji, Ahmed Sabah (2017) - In order to overcome these problems, many control techniques, include the adaptive control, variable structure control and robust control have been applied in DC motor speed [3]. 72- 82 (2014) 77 From the simulation results, the closed loop time response of the DC motor speed control system with nonlinear PID neural controller based on PSO algorithm is illustrated in Figs. Keywords: controller; dc motor; fig; motor; nonlinear; parameters; particle; pid; speed; time; vol
• النمذجة العملية المثلى لعمر التصدع والصلادة للفولاذ الكاربوني (CK35) تحت تأثير احمال الانبعاج الديناميكية by Al-Khazraji, Ahmed Naif (2017) - Therefore, it can be concluded that the shot peening time has the highest impact on the hardness values at lower and higher slenderness ratios, whereas the slenderness ratio has, in general, no significant influence on the hardness at lower and higher shot peening times. Different ranges of shot peening time (STP) and critical points of slenderness ratio which is between the long and intermediate columns, as input factors, were used to obtain their influences on the fatigue life and hardness, as main responses. Keywords: design; fatigue; hardness; life; peening; ratio; shot; shot peening; slenderness; time
• دراسة عملية لتأثير تدوير الغاز العادم (EGR) وتوقيت الحقن على الملوثات المنبعثة خلال فترة الحياد by Chaichan, Miqdam Tariq (2017) - The majority of the carbon products are formed into CO2, so as more fuel is consumed like by increasing engine idle speed, CO2 concentrations increase, as Fig. 11 shows idle engine speed effect on HC concentrations for several EGR rates. Keywords: combustion; concentrations; effect; egr; engine; fig; idle; injection; min; nox; rates; rpm; speed; time
• مقاومة التاكل لوصلات لحام بطرق مختلفة لسبيكة المنيوم 6061-T6 في ماء البحر by Hassan, Kharia Salman (2017) - The majority of the carbon products are formed into CO2, so as more fuel is consumed like by increasing engine idle speed, CO2 concentrations increase, as Fig. 11 shows idle engine speed effect on HC concentrations for several EGR rates. Keywords: combustion; concentrations; effect; egr; engine; fig; idle; injection; min; nox; rates; rpm; speed; time
• تأثير زمن القذف على سلوك التاكل لسبيكة الالمنيوم 2024-T3 by abd alzahra, Zuhal (2017) - �� 1، ا���د�12 �� ا���ارز�� ا������� ا�� ��ز ��� زھ�ة �� ،116 -110 )2016( T3-2024/.-�� ز�, ا�+*ف ��) ���ك ا�&%$ �#��� ا!�����م ز ��� ا�0ھ�ة ��ج وا����دن ��� � ا�*�(� ا��)#'�'&%/ ھ#! <�f-000000 ا�&�000000Uدات ا�>PW000000% ا���'�000000ةوان (�000000ل ا���/8000000A+ 8000000 /@��000000 زاد ز(7000000 ا�4000000Aف �H ذات �%�h%��; h ;# ھ4ا ا�g(7 4�٣٠ف �/ h%PW<دات ا��U&�ن ان ا'(� A%د�. Keywords: aluminum; corrosion; peening; shot; stress; stresses; surface; time; � �
• استخدام الكاربون المنشط المطور من بذور تمر النخيل العراقى كجدار تفاعلى نفاذ لمعالجة المياه الجوفيه الملوثه بالنحاس by Abd Ali, Ziad T. (2017) - Effect of Activated Carbon Dosage The effect of activated carbon dosage on the removal efficiency of the copper was examined at different dosages of activated carbon. Sorption Isotherms The parameters that give the higher removal efficiency of copper at its initial concentration of 50 mg/L on activated carbon were pH of 6, agitation speed of 250 rpm, an equilibrium time of 60 min, and activated carbon dosage of 0.6g/50mL. Keywords: barrier; carbon; concentration; copper; fig; results; solution; sorption; time
• قابلية اللحام لمادة جديدة من صفائح الفولاذ المركب لتطبيقات المَركَبَات by Abbas Al Naimi, Ihsan Kadhom (2017) - Tensile-shearing tests were carried out to evaluate the strength of welding sheets. Macro/micrograph and SEM/EDS examinations were also carried out to analyze welding area and compare the nugget of welding sheets with different welding parameters. Keywords: current; electrode; fig; input; nugget; polymer; pulse; resistance; sandwich; sheets; spot; steel; time; welding
• إدارة البيانات الضخمة باستخدام تقنية المابريديوس على الحوسبة السحابية: دراسة حالة، بيانات صور المخططات التحليل العصبي by Klim, Sahar Mahdie; Klim, Sahar Mahdie (2017) - ��, ة ا������ت، +��ف (/(%, �. ا�>)( ,�وھ% �� �%�4 ط�� ��� و���� �4 ا�����5 �: ا������ت . Keywords: + �; big; data; database; eeg; hadoop; information; time; way; ا �; � +; � ت; � �
• نماذج التنبؤ لزمن الرحلة ومؤشرات الوثوقية لشارع فلسطين شرياني حضري في مدينة بغداد by Al-Kaissi, Zainab Ahmed (2017) - Figure (6) and (7) illustrated the travel time delay for each link; Travel time delay estimated from total travel time minus ideal travel time for each link depend on posted speed limit and distance for each one. A statistical methods is needed to model travel time distribution on which reliability indices measurements including buffer index, buffer time and 95% percentile travel time were developed based on. Keywords: delay; distribution; intersection; link; reliability; sec; time; travel; travel time; � �
• تاثير زمن السفع بالكرات المثالي على عمر الكلال لسبيكة الالمنيوم 6061-T651 by Al-Khazraji, Ahmed N. (2019) - This paper experimentally studied to optimize shot peening time of aluminium alloy 6061-T651 as well as using of and analysis of variance (ANOVA). The elastic stress concentration factor, �� as a ratio of the maximum stress ����, at the notch to the nominal stress �� �. Keywords: fatigue; life; notch; peening; shot; specimens; stress; table; time; � �
• Multidimensional Systolic Arrays of LMS Algorithm Adaptive (FIR) Digital Filters by H. AL-Helali, Riyadh A.; R. Al-Hashemy, Bakir A. (2009) - Systolic arrays have been one of the more interesting paradigms for reconfigurable computing in recent times because the design process creates an excellent paradigm for implementing algorithms via space and time transformations [4]. This paper demonstrates how to extend existing designing methods for systolic arrays Keywords: algorithm; array; filter; lms; rate; signal; systolic; throughput; time; vector; vol
• Two Domain Flow Method for Leachate Prediction Through Municipal Solid Waste Layers in Al–Amari Landfill Site by Abdul–Hameed, Hayder Mohammed (2018) - Leachate flow through MSW occurs in narrow channels and unlike Darcian flow in a homogeneous matrix, results in an irregular moisture front (Korfiatis et al., 1984; At precipitation rates less than matrix hydraulic conductivity, channels would only receive direct precipitation. Keywords: flow; infiltration; leachate; matrix; moisture; storage; time; waste
• مراقب عدد دقات القلب واطئ الكلفة باستخدام متحسس الثنائي الباعث للضوء by Ragib, Ahmed Mahrous (2009) - Variations in the intensity of detected light are caused by blood volume changes underneath the probe.[1] Abstract A high sensitivity, low power and low cost sensor has been developed for photoplethysmography (PPG) measurement. Keywords: blood; detector; diode; figure; light; ppg; signal; time
• تنبؤ الوقت للتصرف الديناميكي لالياف الزجاج المقواة مع مادة البوليستر المركبة الخاضعة لتقلبات درجات الحرارة المختلفة by Yousuf, Louay S. (2009) - Table 6 shows the comparison of maximum percent overshoot of composite plate before and after temperature effect varies with different boundary condition. The shear modulus for composite plate can be found from the following formula, [12]: ) Keywords: composite; conditions; effect; fiber; frequency; journal; modulus; plate; temperatures; time; vibration
• دراسة التشتت المحوري لعمود الطبقة الثابته من المبادلات الايونية by Mahdi, Iman Hahider (2009) - Abstract A mathematical model is developed which predicates the performance of cylindrical ion exchange bed involving comparing of axial dispersion model for cation exchange column with different assumption, this model permits the performance to predicate the residence time within the bed with the variance, axial dispersion and Pecklet No. to indicated deviation from plug flow model. Several workers studied dispersion with porous media, the first who deal with axial dispersion O. Levenspiel 1958 when he study the commercial application of step experiment and he design chart to ease the calculation of axial dispersion, H. Dunck 1966 study he effect of axial dispersion on the elution band of nonlinear equilibrium chromatography and the effect change in axial dispersion coffin with elution velocity , O .Levenspiel 1972 found the c-curve in closed vassal for various extend of back mixing as predicated the dispersion model , C.Y. Wen, T. Tfan l.t. 1975 point that the axial dispersion provides satisfactory description only of mixing model that not deviated significantly from plug flow, R. Shinnar 1987emphasized that the application of axial dispersion model for Pe No. value for less than 10 is not advised, Iman Hahider Mahdi Al-Khwarizmi Engineering Journal, Vol. 5, No. 4, PP 1-12 (2009) 2 C. T. Tan1987 the value of dispersion coefficient are either assumed or calculated from molecular diffusivity and radial pore velocity prior to incorporation into the model the radial dispersion R. Y. A. Ofoli, 1991 reported that axial dispersion model is suitable for analysis of reactor up to 30% conversion , Y. Tsaur and D. Shallcross 1997 developed a model to simulate ion exchange performances with fixed annular bed which take into account the radial dispersion in effect in both solution and exchange phases, however the model assumes instantaneous equilibrium between ions in the solution and exchange phases existed throughout the exchanger, M. A. Barros and Aszpla 2002 analyze the Cr +3 ion to exchange in NaA zeolite in presence of K + ,Cu +3 ion in binary and ternary cation exchange with evaluate the dimensionless variance of Breakthrough curve which useful to estimate the axial dispersion of the bed, M. Doung and D. Shallcross 2002 developed theoretical model of fixed bed ion exchange and obtained the model for pure dispersion without ion exchange performance, I. M. Abu-Reesh and B.l F. Abu- Sharkh 2003 make a comparison of axial dispersion and tank-in-series models for simulating the performance reactors they found that tank-in-series models presents computational advantages compared to dispersion model , Doung M. and Shallcross D.2005 made a series of experiment in wedge-shape cell ion exchange for both Na-and H- form bed with different flow rate lead to indicated dispersion coefficient function of pore velocity and radial distant of the wall. Keywords: bed; concentration; dispersion; exchange; flow; model; rate; resin; solution; time;  
• دراسة عملية الامتزاز لأيوني الكادميوم والرصاص من محلول مائي باستخدام الكاربون المنشط by Abdul-Hameed, Hayder Mohammed (2009) - Keywords: Adsorption, heavy metal ions, aqueous solution, activated carbon 1. Since the pollution of the environment with heavy metals is important and as result of many human industrial, agricultural and petroleum activities, it means that these effluents would carry heavy metal ions in solution. Keywords: adsorption; carbon; equation; ions; metal; time
• الحل العكسي لذراع انسان الي متعدد زوايا الوصول بأستخدام الشبكات العصبية by Kazem, Bahaa Ibraheem; Hadi, Samer Yahya (2007) - Intermediate point on the point-to-point path. The segment between the number pm of intermediate points and the final point can be described by quitic polynomial as: ( ) Keywords: end; kinematics; point; robot; time; trajectory
• دراسة تاثير زمن المكوث على التكسير الحراري لمادة الاكسترات المتخلفة من استخلاص زيوت التزييت by Obyed, Saleem Mohammed (2019) - Flash point °C 89 74 45 90 150 Fire point °C 93 79 50 94 155 Refractivity intercept 1.06 1.093 1.086 1.09 1.1 Hydrogen % 11.52 13.61 14.15 13.55 13.1 Sulfur % 1.28 1.26 0.28 0.54 0.44 Carbon % 87.20 85.87 85.57 85.9 86.46 C/H 7.58 6.3 6.05 6.34 6.6 Aromatic % 53 20.27 11.8 21.21 28.26 The extract phase feed is rich with undesirable components such as aromatics, oxygen, nitrogen, and sulfur, so the physical and chemical properties of extract phase feed such as API gravity or specific gravity, density, viscosity and others properties are considerably influenced by high boiling point temperature for constituents like these undesirable components that are concentrated in extract phase feed, so it is important to characterize the heaviest fractions of extract phase feed in order to determine their properties as shown in table 2, 3, 4, and 5. The distillation process of extract phase feed and cracked extract phase liquid were done in a distillation device which behaves as one tray and the distillation is done at atmospheric pressure. Keywords: cracking; extract; extract phase; feed; phase; point; residence; time
• التنبؤ بالضرر الناتج من تداخل الزحف مع الكلال لمتراكبات البولي أمايد 6,6 by Abdullah, Orhan S.; Hassan, Shaker S.; Al-Khazraji, Ahmed N. (2020) - � 3، ا���د����16 ا���ارز�� ا������� ا����� اورھ�ن ��ح ��� هللا 21 ٦,٦ا����� أ���5 ��2.ا��4تا�1��2 ��0/.ر ا���+- �, +�ا*( ا�)'& �% ا�$#ل أ'�� >�5& ا��)ر;�*** :�4. �$.ان '9,** *أورھ�ن ��ح ���هللا ����� /ا������ ا����������*،**،***���� $# ا�!� �� ا� :&� orhan_sabah@yahoo.com*ا�+)* ا(���)و :&� Shaker_sakran1952_1@yahoo.com**ا�+)* *�ا��Yاص ا� �--�دة ا�+--��&� �^�P3و �������������� و��5 ا�/*�دة Z& در��ت ا�>)ارة ا���S1# أدت ا�: 3`_ ���@ ا��Yاص ا����� ٦,٦أ��*-- .# Keywords: composites; creep; damage; failure; fatigue; fatigue interaction; interaction; polyamide; test; time; ا �; � +; � �
• امثيلية تاثير تغير مادة القطب على اداء عملية التشغيل بالشرارة الكهربائية(EDM) باستخدام طريقة تاكوشي by Aghdeab, Shukry H.; Abdulameer, Ahmed Ghazi; Abdulameer, Lujain Hussein; Mohammed, Atheer Rasim (2020) - In tested the influence of the electrical discharge machining parameters like, Pulse on Time (Ton), Pulse off Time (Toff), and Current (I) on Material Removal Rate (MRR) for stainless steel, the results were resolved by using variance analysis and Mohannad R. Ghanim Al-Khwarizmi Engineering Journal, Vol. 15, No. 4, P.P. 11- 21 (2020) 12 response graphs, it has been different collections of EDM process parameters are obtain higher MRR and better surface roughness (Ra) [7] studied the effect of EDM parameters such as current, pulsation on time and pulsation off time on surface roughness of steel 304 with dielectric solution of gas oil by supplied DC current values (10, 20, and 30A). Keywords: copper; current; electrode; machining; mrr; parameters; pulse; time; toff; ton
• امتزاز صبغة كارمن النيلية بأستخدام اوراق الذرة كمادة مازة طبيعية by Fadhil, Omar H. Fadhil H.; Eisa, Mohammed Y.; Salih, Dina Abdalrahman; Nafeaa, Ziad R. (2021) - Adsorption kinetics was shown in Figure 8 as the change in percentage of dye removal with time. The highest removal percent was equal to 91% of the dye which makes the corn leaves a suitable efficient material for the removal of IC dye from aqueous solutions. Keywords: adsorbent; adsorption; concentration; corn; dye; leaves; order; removal; time
• Study of the Effect of Magnetic Abrasive Finishing on the Material Removal of AA1100 Aluminum Alloy by Majeed, Mariam; H.Khadum, Ali; Al-Zubaidi, Salah (2023) - [9] Shrikant Thote, Diwesh Meshram, Kapil Pakhare, and Swapnil Gawande Effect of the process parameters on the surface roughness during magnetic abrasive finishing process on ferromagnetic stainless steel workpiece International Journal of Mechanical Eng, pp. 310–319, 2013. [11] Wu, J.; Zou, Y. Study on mechanism of magnetic abrasive finishing process using low-frequency alternating magnetic field International Conference on Electromechanical Control Technology and Transportation (ICECTT 2015). Keywords: abrasive; current; finishing; maf; magnetic; material; process; removal; speed; surface; time; vol
• Performance Prediction in EDM Process for Al 6061 Alloy Using Response Surface Methodology and Genetic Algorithm by Hadi Abdulridha, Hind ; Qasim Ibraheem, Marwa ; Ghazi Abdulameer, Ahmed (2022) - The experimental results demonstrate that capacitance, discharge voltage, and electrode rotation speed all have an impact on MRR parameters, whereas pulse on time, capacitance, and electrode rotation speed influence side gap width. Wire and electrode EDM are the two primary types of EDM processes. Keywords: current; edm; machining; mrr; parameters; process; pulse; time; toff; � �
• A Review of the Stereo lithography 3D Printing Process and the Effect of Parameters on Quality by Mhmood, Tiba Raed; Al-Karkhi, Nazar Kais (2023) - [48] evaluated the effect of SLA print layer thickness on the clinical acceptability of 3D printed models. The accuracy of SLA printing process and the factors affecting will be discussed in detail. Keywords: accuracy; exposure; hatch; journal; layer; layer thickness; lithography; parameters; printing; process; resin; sla; stereo; surface; thickness; time
• Determination of The Optimum Conditions for Urease Extraction from Chickpea Seeds Using (Design Expert Software) by S. Kurdi, Sarah ; J. M-Ridha, Mohanad (2024) - Materials and Methods Table 2 shows the experimental conditions and the results obtained from 25 experiments according to RSM. Table 2 Design experiment program for maximum enzyme urease extraction (a) (b) Table 1, Applied values and variables for urease extraction 2. 5 Design Expert Modelling –RSM-CCD RSM provided excellent statistical tools for experimental design and data interpretation to optimise the process. Keywords: activity; buffer; conditions; design; enzyme; extraction; journal; ratio; sodium; time; urease
• Monitoring Alkalinity and Hardness During Treatment of Different Water Types by AlRubaye, Shahad F. ; Al Haboubi , Naseer A. ; Al-Amili , Hussein A. ; Al-Allaq, Aiman H. ; Rzaij , Dina R. (2024) - [13] D. R. Ryan, P. J. McNamara, and B. K. Mayer, “Iron-electrocoagulation as a disinfection byproduct control strategy for drinking water treatment,” Environ Sci (Camb), vol. 6, no. 4, pp. 38-45 Monitoring Alkalinity and Hardness During Treatment of Different Water Types Shahad F. ALRubaye1*, Naseer A. Al Haboubi 2, Hussein A. Al-Amili 3, Aiman H. Al-Allaq4 and Dina R. Rzaij 5 1, 2 Chemical Engineering Department, College of Engineering, Al Nahrain University, Baghdad, Iraq Khawarizmi College of Engineering, University of Baghdad, Baghdad, -Automated Manufacturing Engineering, Al 3 Iraq USA ,University (ODU)Department of Mechanical and Aerospace Engineering, Old Dominion 4 lectrical Engineering Technical College, Middle Technical University, Baghdad, IraqE5 shahad.fadhilma@gmail.com :mail-E ’sCorresponding Author* (Received 17 April 2024; Revised 8 July 2024; Accepted 11 August 2024; Published 1 December 2024) https://doi.org/10.22153/kej.2024.08.004 Abstract Alkalinity and hardness are crucial factors in water treatment procedures, such as electrocoagulation (EC) and traditional coagulation–flocculation. Keywords: alkalinity; electrocoagulation; fig; hardness; min; polarity; process; reversal; river; time; treatment; vol; water

• K-Gen PhishGuard: an Ensemble Approach for Phishing Detection with K-Means and Genetic Algorithm by Al-Hafiz, Ali; Jabir, Adnan; Subramaniam, Shamala (2025) - GA- based feature selection in one study resulted in a more accurate model (95.34% on test set). Table 4, Comparison of feature selection methods across classifiers Ref. Keywords: accuracy; algorithm; classification; classifiers; clustering; dataset; detection; feature; genetic; journal; learning; machine; means; model; performance; phishing; selection; vol
• المسيطر المتكيف ذو التنغيم التلقائي العصبي للانظمة الديناميكية اللاخطية by Abdul Ameer Al-Araji, Ahmed Sabah (2017) - The first stage is learned off-line with two configuration serial-parallel model & parallel model to ensure that model output is equal to actual output of the system & to find the jacobain of the system. The on-line identifier NARMA-L2 model of the plant is used to updated of the weights of the identifier by using (BPA) in order to guarantee that model output approaches the actual output. Keywords: controller; input; model; narma; network; neural; output; pid; plant; response; vol
• أتموذج الضرر التراكمي الجديد للتنبؤ بعمر الكلال تحت تأثير معالجة السطوح بالنقر المستمر by M.Alalkawi, Hussain J.; Al Saraf, Saad A. Khuder; Ali, Abdul-Jabar H. (2017) - Keywords: Cumulative fatigue damage, Shot peening, Non 1. [4] first expressed the concept of cumulative fatigue damage in a mathematical formula as, = = 1 … (1) where, is the cumulative fatigue damage and , are the applied cycles and the number of cycles to failure under i-th constant S-N curve stress level respectively. Keywords: damage; experimental; fatigue; low; model; peening; prediction; shot; stress
• تقييم اداء ركيزة في ترب انتفاخية by Albusoda, Bushra S.; Al-Anbary, Laith A. (2016) - �� 2، ا���د����12 ا���ارز � ا���� �� ا���� ���ى ��� ز��ر �� ،9 -1 )2016( 9 ا*(��)�� %�ب &�%$��# اداء ر!� ة **�1ظ# ا/*,�ري-,� ا���+ * ���ى ��� ز��ر ����� ���اد /���� ا� ���� /��� ا� ���� ا������** ،* �و���� albusoda@yahoo.com : ا�!� � ا�� 2���ا� �و�� ����(ه ��'ذجا اداء ت#��� ت��� �* ��� +�ص �@�م ت<��= ت� �:�>.ا��را�� ھ:ه ھ�ف ��2#�7 �6 ا��3�45 ت� *12 �����0 +/ل �- ا��,�+�� ت 4� ا�F ط'ل ���E اي �5��,� ��ط'ال ا����(ة ��'ذجا +'اص ��را��� �,��5�.-�G'� -� )H������دھ� ت� ا�Gھ:ا *� ا ،I2!ا� )H������د � ا�GJا )H��� وا� � درا�� ت�.ا��'�= ذات�LMة،��!� �'ع ت)����ط�E دورات و�Gد �4�ھ� ا�F ا����(ة ط'ل ا�� *� واTU �#<�ن �'حQ.ا����H( ت<�ف F�G ا��O�,P ا� ����اح6 ت� ت<��� �345. ا��'�= ذات ا����H( ا���5ام G�� اF�G ا�F ا����(ة ح����د � �����H( ا�GJا )H��� ا����(ة ط'ل ����5- ا��'�= ذات وا� �I�2� 0 ا���4'ب� 6�G Wا� -�� �� -� 3�U د��XJا ��G خ�,���� ا�� .ا� بشرى وليث Al-Khwarizmi Engineering Journal,Vol. 12, No. Performance Assessment Bushra S. Albusoda *,**Department of Civil Engineering (Received Abstract An evaluation for the performance of model pile embedded in expansive soil was investigated program was planned to achieve the purpose of this research. Keywords: fig; model; movement; piles; shaft; soil; swelling; ا �; � �
• محاكاة الدوامة الكبيرة لجريان داخل مجرى by Jalil, Jalal M.; Abbas, Ihab Omar (2017) - In this paper, the problem of developing turbulent flow in rectangular duct is investigated by obtaining numerical results of the velocity profiles in duct by using large eddy simulation model in two dimensions with different Reynolds numbers, filter equations and mesh sizes. Large eddy simulation model has a good agreement with the experimental data Ref [12] near the wall. Keywords: eddy; equations; les; mesh; model; simulation; velocity
• تقويم أداء طلاء الايبوكسي لخزانات مياه الشرب باستخدام طريقة الممانعة الكهروكيميائية الطيفية by Jasim, Haider Hadi (2017) - The impedance can be represented by a modulus Z and a phase angle shift φ: |Z| = �Z��� + Z��� … (7) tanϕ = ������ … (8) The impedance data can be represented by two methods: -Nyquist plot: the imaginary part of impedance This excitation induces a sinusoidal current ∆I having ∆Io amplitude with a phase shift ∅with respect to the applied potential: Δ� = |Δ��| sin(� � − �) … (3) These values of a sinusoidal applied voltage ∆E and a sinusoidal current ∆I can be represented in the complex plane as: ∆� = ∆��� + � ∆��� … (4) ∆I = ∆I�� + i ∆I�� … (5) Keywords: coatings; coats; corrosion; eis; epoxy; epoxy coatings; frequency; impedance; layer; model; porosity; resistance; steel; test; water; � �
• تحليل البيانات الشهرية لتراكيز المواد العالقة الكلية لنهر الفرات في مدينة الناصرية by Al-Suhaili, Rafa; Al-Mosewi, Tariq J. (2018) - =is the mean value of yp,t data at position p(month). =is the standard deviation value of yp,t data at position p(month). Keywords: component; data; mean; model; rand; series; stochastic; tss; values
• أمتزاز المعادن الثقيلة من محلول مائي على كاربون منشط منتج من نشارة الخشب by Khalid, Marah W.; Salman, Sami D. (2019) - Similar trend of heavy metal adsorption, as a function of initial concentration, has also been reported previously by Igberase [19] and Trang SDAC was used in aqueous lead ions adsorption. Keywords: activation; adsorption; carbon; equilibrium; lead; model; sdac; solution; surface; vol; � �
• التنبؤ بقوى القطع في عملية الخراطة باستخدام الشبكة العصبية الاصطناعية by Ibraheem, Marwa Qasim (2020) - �وى �� ا��اھ�� �� 2ا���د، ����16 ا���ارز � ا������� ا����� ،2020( 34- 46( 46 ا�(�$. �-�ى ا�-, +� !���� ا���اط� � �(��ام ا�'$&� ا��%$�� ا# � ! It can be seen from this table that the average prediction error� � � found (4.57%, 4.925%, and 4.62%) the accuracy was (95.43%, 95.075%, and 95.38%) and MSE (2.345, 40.2, and 85.37%) relative to FA, FR, FT respectively. Keywords: cutting; feed; force; model; network; neural; � �
• نمذجة ومحاكاة لتقييم الإداء لقنوات الأتصال الكمية في منظومات توزيع المفتاح الكمي by Mushatet, Adil Fadhil; Tawfeeq, Shelan Khasro (2021) - Keywords: Optical quantum channel, modeling, quantum bit error rate, quantum key distribution. The most remarkable result that emerged from the simulated data generated and detected is that the modeling process provides guidance for optical quantum channels design and characterization for other quantum key distribution protocols. Keywords: attenuation; channel; fiber; model; modeling; pulses; qkd; quantum; quantum channel; simulation; vol; 𝐸 𝐸
• محاكاة منصة ذاتية التوازن على سيارة المتنقلة by Tawfeeq, Bushra Amer; Salloom, Maher Yahya; Alkamachi, Ahmed (2021) - �� ، 3ا���د ،17ا����� ا������� ا���ارز�� ���� ��ى 44 ��(� ذا��� ا�%�ازن �& �� رة ا��%�$���� # ة ����� �� **� ھ� +��& ���م * ��ى ***ا/�� ���وس ***،**،*��� 9 .8% 67'اد ����� �� )2021( 29- 44 ! Keywords: angle; axis; balancing; car; model; motor; pid; platform; self; simulation; tilt; � �
• مسيطر تناسبي-تكاملي-تفاضلي- مستند على الخطوات التراجعية مصمم لنموذج بنكرياس صناعي by Mohammad Ridha, Taghreed M.; Kadhum, Mina Qais; Mahdi, Shaima Mahmou (2011) - Automatic control of insulin infusion rate especially for type I diabetes proved its ability to give satisfactory results. [10] L. Kovács, B. Paláncz, E. Borbély, B. Benyó and Z. Benyó, robust control algorithms for blood glucose control using mathematica,ActaElectrotechnica et Informatica, Vol. 10, No. 2, 2010, 10–15. Keywords: backstepping; control; controller; glucose; infusion; insulin; model; pid
• محاكاة انتقال الاوكسجين في مفاعل Airlift ذو حقة الخلط الداخلي باستعمال موديل التشتت المحوري by Atiya, Mohammed A.; Rahman, Ameel Mohammed; Abd Al-Jabbar, Aseel (2011) - � ا��� � � )2011( 75-61 ، ���4، ا���د ����7 ا���ارز�� ا����� � ا����� اج ���� � 75 ذو /(� ا���. ���� ر/�$ *���� � داB<ة ا3451 واA:1@?Keywords: airlift; alr; concentration; downcomer; gas; liquid; mass; model; oxygen; reactor; riser; transfer; velocity; � �
• The Remediation of Congo Red-Contaminated Groundwater by using a Permeable Reactive Barrier Through Modified Waterworks Sludge MgAl-LDH by Salih, Sudad Adil; Naife, Tariq M. (2023) - [42] Q. G. Finish and T. M. Naife, “Adsorption Desulfurization of Iraqi Light Naphtha Using Metals Modified Activated Carbon,” J. Eng., vol. 27, no. 7, pp. Sci., vol. 269, no. 1–2, pp. Keywords: adsorption; bed; concentration; dispersion; flow; model; mws; sludge; solute; sorbent; vol; water
• تطوير نموذج ANN لتصنيف ألوان RGB بأستخدام مجموعة البيانات المستخرجة من مقياس الألوان مصنع by Mnati, Shahad A.; Hussein, Furat I.; Issa, Ahmed (2023) - In this work, a proposed ANN model offers a non-parametric, user-friendly, comprehensive alternative to traditional statistical methods used in classifying RGB colors. About 5000 samples of RGB colors were utilized to create the dataset by applying measurements to a number of standard colored cards through a lab-designed and implemented colorimeter. Keywords: accuracy; ann; classification; color; data; journal; layer; model; performance; rgb; vol
• نماذج فقدان المسار لنظام الاتصالات اللاسلكية الجيل الخامس باستخدام قناة اتصال الموجات الملمترية by Dawood, Zinah (2025) - The equation of PL CI model can be represented by [11]: ⁡⁡PLCI(f, d) 2. CI PL model for the 4×4 MIMO at 28 GHZ frequencies and complex indoor room scenario Fig. Keywords: abg; ci model; communications; distance; frequency; ieee; loss; mimo; model; vol; wave; wireless
• A Comprehensive Survey of Push Recovery Techniques for Standing and Walking Bipedal Robots by Altameemi, Ibrahim (2024) - J. H. Kim, Partition-aware Stability Control for humanoid robot push recovery with whole- body capturability, Journal of Mechanisms and Robotics, vol. 16, p. 1, 2023. [20] A. Yasin, Q. Huang, Q. Xu and M. S. Sultan, Humanoid robot push recovery through foot placement, in IEEE International Conference on Mechatronics and Automation, 2012. Keywords: balance; bipedal; body; com; conference; control; force; humanoid; international; model; position; push; recovery; robot; step; vol; walking
• Violence Prediction Estimation in Surveillance Cameras Using CNN with GAMMA Correction by Aldulimy, Sara Ayad; Aldulimy, Sara ; Alazzawi, Yarub (2025) - [29] Focused on reducing false positives in violent behavior detection models 2021 Kang et al. Basic steps in the application of an algorithm for video violence detection The remainder of this study discusses related projects that utilise different models and sub- models based on the overall concept of detecting anomalous behaviour in security camera footage. Keywords: accuracy; cnn; correction; dataset; detection; et al; gamma; ieee; learning; model; training; video; violence

• تحليل تأثيرات القذف بالكريات المفرط على عمر الكلال لسبيكة الالمنيوم 7075 – T6 by Jabur, Khairallah S. (2012) - The overall aim of this paper is to study the effects of aggressive shot peening on fatigue life of 7075 – T6 aluminum alloy. The fatigue life reduction factor (LRF) due to the aggressive shot peening was established and empirical relations were proposed to describe the behavior of LRF, roughness and fatigue life. Keywords: alloy; aluminum; fatigue; life; peening; roughness; shot; spt; surface
• التنفيع باسلوب العصيبات المضببة لتطوير التشغيل بطريقة التنعيم بالاحتكاك المغناطيسي by Moosa, Amer A. (2017) - Adaptive for evaluation of a series of experiments an optimized and usefully achieved by obtained results predicted by model simulation and that of direct measure is 2.0222 % Keywords:Magnetic abrasive finishing (MAF), adaptive roughness, (RMSE) root mean square error, membership 1. Dai Yang, and Han- Ming Chow, “Study of magnetic abrasive form surface operations using the Taguchi method”, International Journal of Advanced Manufacturing an Wang, and Dejin Hu, ”Study on the inner surface finishing of tubing by magnetic abrasive finishing”, International Journal of Machine Tools & Manufacture, Vol.45 Hwa, and Yan, Tzong Hsu, “Study on cylindrical magnetic abrasive finishing using unbounded magnetic abrasives”, International Journal of Machine Tools & Manufacture, Vol.42 T. Mori, K. Hirota, and Y. Kawashima, “Clarification of magnetic abrasive finishing of Materials Processing 144 (2003), pp. Keywords: abrasive; anfis; fig; finishing; journal; layer; magnetic; powder; process; surface
• تحسين الصلادة ومقاومة التآكل للفولاذ المقاوم للصدأ بواسطة الطلاء بمركب نانوي by Mahdi, Hamid S.; Sallomi, Kareem Neamah; Ismail, Hiba Husam (2017) - The main objective of this paper is to study effect of electroco- deposition method on microhardness and corrosion resistance of stainless steel, and to analyze effect of nanoparticles (Al2O3, ZrO2 , and SiC) on properties of composite coatings. Another recent way to improve its mechanical properties is with surface modification by developing composite coating on its surface. Keywords: al2o3; coatings; composite; corrosion; current; sic; stainless; surface
• دراسة خصائص الجريان وانتقال الحرارة حول سطوح متموجة ذات اشكال هندسية مختلفة by Mousa, Naseer Abdul Razzaq (2015) - Also it is clear that the value of heat transfer coefficient was affected by flow behavior because that in current simulation we established the same transferring area, the amount of heat transferred, the same temperature difference between the extended surface and inlet air. The effect of different geometry parameters such as aspect ratio and number of cycles per unit length on flow field characteristics and heat transfer was estimated and compared with each other. Keywords: fig; flow; heat; heat transfer; increasing; intensity; number; surface; transfer; turbulence; wavy
• تأثير نظام الانهاء السطحي بالحك المغناطيسي للسطوح الأسطوانية على خشونة السطح و معدل إزالة المواد by Qate’a, Marwa K.; . kadhum, Ali H; Mustafa, Faiz F. (2015) - �ا! � -�, +*�!���#ا��(��ط #� '���&ا%! �ء ا�#�� ! �م إزا�� ا���اد ***=�?< =�زي �;�,** -�� :# 9 5�ظ6 *��وة 5�ظ6 5�ط4 KL :MBNO>اد/ 6HI: ا7G3>;: اEF3ارزAB /@?< ھ7>;: ا567893 ا01203/*** ،**،* Marwa90_Alkaabi@yahoo.com APوR9S3Tا Keywords: finishing; magnetic; mrr; poles; roughness; surface; value; velocity; � �
• تأثير العوامل التصميمية والتكنولوجيا على عملية التشطيب بالنحت المغناطيسي by Shather, Saad kariem; Mousa, Shakir M. (2015) - ر 88 �ت ا �� �ط�������ر ا �وا�ل ا ������� وا �� و و��� ��� �� ����� ا ��ط�ب ��� ��ر� �� *��� &%$#د �!�!�** ا-+=('/ ا-@DE //0F5-51G ھ1&)/ اAB@=ج وا-,'=دن* ا-,I0D - ا-,'2& ا-@DE /31H اAB@=ج** *3Aو$@G-Bا &#$J-ا :drengsaad_k_sh@yahoo.com Predictor Coefficient P Effect inductor X1 -0.019587 0.008 significant effect (p<0.05) X2 0.016852 0.072 mildly significant effect (p<0.1) X3 0.000789 0.884 insignificant effect (p> 0.1) X4 -0.000213 0.005 significant effect (p<0.05) X5 0.04225 0.438 insignificant effect (p> 0.1) X6 0.07073 0.018 significant effect (p<0.05) Analysis of Variance for regression also show: R-Sq = 60.5% F =5.11 P =0.003 The R-sq showed that 60.5% of the observed variable in surface roughness for steel was independent variable. Keywords: effect; parameters; roughness; steel; surface; � �
• التنبؤ بالخشونة السطحية ومعدل ازالة المادة في التشغيل الكهروكيميائي بأستخدام طريقة تاكوجي by Ibrahim, Abbas Fadhil (2017) - 2016( 72-80، %$#� 4، ا�!�د����12 ا���ارز�� ا������� ا��������س 80 ا�*��7 ���1��6 ا�45#�� و�! ا �اھ�� �� ) Keywords: electrolyte; machining; material; mrr; parameter; rate; removal; roughness; surface; � �
• تصنيع و توصيف اكاسيد ثلاثية معدنية بتقنية الرش الكيميائي الحراري كمتحسس غازي by Othman, Farhad M.; Abdul-hamead, Alaa A.; Ali, Noor M. (2017) - ،2016( 140-132( 140 �� ��4زي3-���2 ا��ش ا�����0/� ا� �اري %�- ,+ '*��( و '�!�& ا%��� #$#�� � �ر � � ��� **أ8ء �$ء ا� 56 *�ھ�د � � ����ن�*** �&%! Iوز TNS ا �Cd2SnO4 g7و 0B Zn2SnO4ة *6 ا1*5ح ا ��) Keywords: cd2sno4; films; gas; h2s; journal; metal; oxide; properties; surface; zn2sno4; � �
• الفعالية المضادة للبكتريا لحصيرة الالياف النانوية لترشيح المياه البوليمرية المصنعة من نترات فضة- نايلون by Jabur, Akram Raheem; Abbas, Laith Kais; Moosa, Saja Aqeel (2017) - doi:10.1007/s10965-012-9980-8. �� 1، ا���د�13�� ا������� ا������� ا���ارز� ا �م ر��� ��� �� ،93-84 )2017( 93 !' � � ا� ! Keywords: activity; agno3; electrospinning; figure; membrane; nanofibers; nanoparticles; nylon; silver; solution; surface; vol; water; � �
• المدخلات الامثل لعملية الحك الممغنط باستخدام طريقة تاكوشي لتحسين جودة خشونة السطح by Mousa, Shakir M (2017) - In addition, the µm that means high level of surface roughness, Taguchi was capability to of tool, ferromagnetic , one can control magnetic brush, that the topography of magnetic flux in MAF is a modern relatively process of polishing begin in US in1930s, magnetic abrasive finishing MAF are This process was developed and Many advantages of (MAF) process, it is more successful to produce different complex shapes and suitable for finishing flat surface as well as inner and outer Wei Changet et al.[5] have clarified the principle working of MAF rocess and the finishing characteristics by using abrasive powder consist of a mechanical mixture of ferromagnetic particles and silicon carbide (SiC) abrasive with lubricant as unbounded Moriet et al.[6] have PDF created with pdfFactory trial version www.pdffactory.com https://doi.org/10.22153/kej.2017 mailto:shakir.aljabiri_89@yahoo.com https://doi.org/10.22153/kej.2017 http://www.pdffactory.com http://www.pdffactory.com Shakir M. Mousa Al-Khwarizmi Engineering Journal, Vol. 13, No. 2, P.P. 11- 19 (2017) 12 studied the characteristics of magnetic field, and explained the mechanism of MAF process for stainless steel ferromagnetic material work piece, using abrasive powder that was sintered from an total of alumina particles and iron .Taguchi MAF relatively process of polishing begin in US in1930s, magnetic abrasive finishing MAF are famous in Russia. Keywords: abrasive; finishing; gap; maf; parameters; process; ratio; roughness; surface; table; working; � �
• Optimization Drilling Parameters of Aluminum Alloy Based on Taguchi Method by Haleel, Aseel Jameel (2019) - DF Degrees of Freedom �� �� ! − ��0��30 14� 2 yi : mean of observations at ith factor level y : mean of all observation yij : value of jth observation at ith factor level MS Mean Squares 56 �� ! Keywords: cutting; drilling; feed; ratio; roughness; surface; table; taguchi; � �
• ظاهرة الحمل الطبيعي من أنبوب عمودي مسخن مزعنف: تحليل تجريبي by Shehab, Saad Najeeb (2019) - It's also can be calculated from Newton’s equation of cooling as follows [10, 11]: ����� = ℎ�� ��(���� − ��) … (6) The average natural-convection heat transfer coefficient (hav) can be calculated as: ℎ�� = � � � � − ���� ��(���� − ��) … (7) The percentage error (e%) is evaluted as the percentage relative of absolute error (eab) to experimental value (Vexp): F% = F�H�I$J K 100 = L�I$J − �����I$J L K 100 … (15) where, the absolute error (eab) is the absolute difference between experimental value (Vexp) and correlated value (Vcor) as follows: F�H = M�I$J − ����M … (16) Keywords: average; convection; fins; heat; number; surface; transfer; tube; � �
• دراسة تجريبية للحمل القسري من مصفوفة زعانف مستطيلة أفقية داخل مجرى هواء by Shehab, Saad Najeeb (2019) - 35- 45 (2019) 39 The average forced-convection heat transfer coefficient (hav) can be evaluted as: ℎ�� = � � − (�� + ���) ��(���� − ��) … (5) �� = (�� + ��)/2 … (6) ���� = ∑ ����� ! … (7) where, Ti and To are the inlet and outlet air temperatures respectively, Ts is the local surface temperature. Also, it is can be evaluted from Newton’s equation of cooling as [13, 14]: ��� = ℎ�� ��(���� − ��) … (4) Saad Najeeb Shehab Al-Khwarizmi Engineering Journal, Vol. 15, No. 1, P.P. Keywords: air; array; convection; duct; fins; heat; notches; number; perforations; surface; � �
• أستقصاء مورفولوجيا السطوح المسامية بوساطة استخدام مجهر القوة الذري by Al-Zaidi, Bashir Y. Sherhan (2018) - Effect of mean roughness of the outer surface of hollow fiber membranes on the pure water permeability (PWP). 1 2 3 4 5 6 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Outer surface Inner surface P o re d e n s it y ( p o re s /m 2 )( x 1 0 -9 ) PS composition (wt.%) Bashir Y. Sherhan Al-Zaidi Al-Khwarizmi Engineering Journal, Vol. 13, No. 4, P.P. 98- 110 (2017) 104 Table 1, Mean pore size and mean roughness of the inner surface of the hollow fiber blend membranes Membran e code PVC/PS/DMAC Solution (wt.%) Mean pore size (nm) Inner surface roughness (2065×2065 nm2) Mean roughness 1(Ra) (nm) Keywords: afm; blend; content; fiber; mean; membranes; outer; pore; roughness; size; surface; wt.%
• تخمين متغيرات عملية التشكيل متعدد النقاط التي تؤثر على خشونة السطح باستخدام خوارزمية تحليل التباين by Abbas, Tahseen Fadhil; Younis, Karem Mohsen; Mansor, Khalida kadhim (2019) - %< � �Aات ر#�.�� �RBR #�R)Sا���� T$U���V ط$(� ا���9ط ، � ع &��!� ا�$#اص 7 �V ) و�1#� 3�1�� ا��'!$ � S;89 ا��� دة ا� �٠.٧١�3(31: �.( � د& ;�6��% ��9 # � دة ا� 89 # 31: ;9 M�3�& ا��$�2 ;� ;! ا��'!�& ا��� ات ا�� �6)N; ���� ON$ا ا�Pھ %Keywords: blank; forming; holder; parameters; process; roughness; surface; thickness; ا �; و �; � ن; � �
• نموذج تحليل الإجهادات داخل قلب الإنسان by Bayoumi, A. M.; Al Alawi, Aziz (2009) - In addition there should exist shear stress in the wall of the heart due to action of pressure on the curved surface. In addition because myocardial fibers are wrapped toroidally around the central layers of the wall in the real left ventricle, [11, 12, 13], shear stress should also exist in the wall of the heart throughout the cardiac cycle, due to the action of a pressure on the curved surface. Keywords: heart; left; pressure; stresses; surface; ventricle; wall
• المقارنة بين تاثير كلوريد الصوديوم وكبريتات الصوديوم كمحلول الكتروليتي على عملية التشغيل الكهروكيميائي by qasim, heba saad; Aghdeab, Shukry H. (2019) - This study aims to compare the effect of using different electrolyte solution including sodium chloride (NaCl) and sodium sulphate (Na2SO4) on the surface roughness (Ra) and material removal rate (MRR). The optimization goal was to get the highest value of material removal rate (MRR) and the lowest overcut (OC). Keywords: concentration; current; machining; material; mrr; nacl; rate; removal; roughness; solution; surface; voltage
• دراسة العوامل المؤثرة في عملية الخراطة by Khleif, Ali Abbar; Elias, Rasha R.; Kashkul, Lujain Hussein (2019) - In this research Taguchi‟s technique is used to show the role of process conditions like, spindle speed, feed, tool inclination angle and workpiece material on surface quality of work material on the other hand, turning with cutting tools and getting an optimum combination of conditions may result in best surface quality [3]. depth of cut, Spindle speed and Feed on surface finish of AISI 1020 mild steel bar in turning was studied and analyzed to reveal best surface quality. Keywords: angle; means; parameters; speed; spindle; surface; table; tool
• دراسة تأثير متغيرات التشغيل على الخشونة السطحية للسطوح الحرة باستخدام طريقة تاكوشي by Ghazi, Safaa K.; Abdulrazaq, Mustafa M.; Sultan, Abdulrahman S.; Muhi, Firyal S. (2019) - Keywords: feeds, surface finish, surface roughness, taguchi. The average surface roughness (Ra) was select as characteristics of surface roughness in operation of turning, which is the mostly utilized standard variable of surfaces finish. Keywords: cutting; feed; fig; finish; machining; roughness; speed; surface
• الخواص الميكانيكية للصلب المصقول نوع AISI 1008 by Kadhim, Zeyad D.; Abdulrazzaq, Mohammed Abdulraoof; Hussain, Wassan Suheil (2018) - Increasing feed value of burnishing process led to decrease surface roughness value. Increasing speed value of burnishing process led to decrease surface roughness value. Keywords: burnishing; fatigue; feed; hardness; process; roughness; rpm; speed; surface; value
• التنبؤ بخشونة سطح الفولاذ المقاوم للصدأ (DSS) بعد عملية الخراطة by Abdulateef, Osamah F. (2021) - https://doi.org/10.22153/kej.2021.01.001 Abstract Feed Forward Back Propagation artificial neural network (ANN) model utilizing the MATLAB Neural Network Toolbox is designed for the prediction of surface roughness of Duplex Stainless Steel during orthogonal turning with uncoated carbide insert tool. The outcome of this study showed that ANN is a versatile tool for prediction of surface roughness and may be easily extended with greater confidence to various metal cutting processes. Keywords: ann; cutting; feed; parameters; rate; roughness; speed; surface; turning; vol
• Removal of Malachite Green from Aqueous Solution using Ficus Benjamina Activated Carbon-Nonmetal Oxide synthesized by pyro Carbonic Acid Microwave by Talib, Khatab Emad; Salman, Sami D. (2023) - Khatab Emad Talib Al-Khwarizmi Engineering Journal, Vol. 19, No. 2, P.P. 36- 48 (2023) 36 [14] A. Kausar et al., “Dyes adsorption using clay and modified clay: A review,” J. Mol. 2. Langmuir isotherm model for MG adsorption by AC-SiO2. Keywords: adsorbent; adsorption; carbon; doi; dye; green; malachite; removal; sio2; surface; vol; water
• تأثير متغيرات التشغيل في مكائن التفريز المبرمجة على الخشونة السطحية by Alyas, Rasha Ramiz (2018) - Pocket Surf tester Table 3, Surface roughness value for each Experiments. Keywords: Orthogonal array, surface roughness, S/N ratio, Taguchi technique. Keywords: cutting; feed; machining; milling; roughness; speed; surface; value; � �

• Effect of Heat Treatment on the Microstructure, Impact Toughness and Hardness of High-Chromium White Cast Iron with Added Niobium and Manganese Minerals by Hatra, Ali; Salamah, Ahmad; Aldaher, Nassim (2025) - Mechanical strength and fracture toughness of high chromium white cast irons. Study on the structure and properties of high chromium white cast iron and its tempering standard. Keywords: carbides; cast; cast iron; chromium; hardness; heat; iron; niobium; resistance; samples; treatment; wear; white
• تحقيق عملي من تأثير نسبة الأنحناء على انتقال الحرارة في مبادل حراري حلزوني مزدوج الأنبوب by Hoshi, Hisham Assi (2018) - The heat transfer rate is averaged between the heat supplied by inner hot water and the heat absorbed by the annulus cold water Q avg = �� �������,����,���� �������,����,�� � � ...(1) The overall heat transfer coefficient (�) is calculated as follow [17]: � = � ! [2] D.G. Prabhanjan, G.S.V. Raghavan, T.J. Rennie, comparison of heat transfer rates between a straight tube heat exchanger and a helically coiled heat exchanger International Communications in, Heat and mass Transfer 29 (2) (2002) 185-191, [3] Y.I.Kim, S.H.Kim, Y.D.Hwang, J.H. Park, Numerical investigation on the similarity of developing laminar flows in helical pipes,Nucl. Keywords: coil; curvature; flow; heat; ratio; transfer; � �
• دراسة تأثير الحرارة المتولدة اثناء اللحام على البنية المجهرية، الصلادة، والمتانة لفولاذ AISI 1015 by Hamd, Emad Kh.; Alwan, Abbas Sh.; Irthiea, Ihsan Khalaf (2018) - In this work, three main parameters related to MIG welding process are investigated, which are welding current, welding speed, heat input and plate thickness, and to achieve that three groups of plates are employed each one consists of three plates. MIG welding process overcome the constraint of using small lengths of electrodes as in manual metal arc welding and overcomes the incapability of the submerged arc process to weld in a number of positions. Keywords: current; effect; fig; grain; haz; heat; increase; input; metal; microhardness; welding
• إنتقال الحرارة بالحمل الحر في تجويف مربع مائل ذو نهاية مفتوحة و بوجود جزء نشط حرارياً by Mahdi, Jasim M. (2012) - Effect of Active Part Length The effects of active part length H on flow and temperature fields are shown in figure (3) for Rayleigh number, Ra = 105, inclination angle, φ =0° and position of active part is at middle. Effect of Active Part Location Figure (4) shows the effect of active part position on the streamlines and isotherms patterns at Ra = 105, φ =0°, and dimensionless length of active part, H=0.4. Keywords: cavity; convection; fig; heat; inclination; number; nusselt; rayleigh; transfer; wall
• دراسة عملية لتاثير تغيير الشكل الخارجي للجسم على المعدل الزمني لمعامل انتقال حرارة للحمل الحر والقصري خلال عملية التبريد by Abd, Sundus Hussein (2012) - Keywords: heat transfer, free convection, force convection, circular cylinder, square cylinder, triangular cylinder. Sundus Hussein Abd Al-Khwarizmi Engineering Journal, Vol. 8, No.4, PP 74- 89 (2012) 80 Figure (5) shows the effect of changing the face of square cylinder on Nusselt number, It can be seen that when the square cylinder is facing the flow with its vertex the Nusselt number is large than the other cases where the flow hit the side of the square. Keywords: convection; cylinder; flow; heat; number; nusselt; reynolds; square; transfer; triangular
• الخواص الميكانيكية وسلوك التآكل لملحومات الفولاذ واطيء الكاربون by Majed, Rana A.; Abdulmajeed, Majid H.; Mahdy, Mohamed (2017) - It is probable that similar microstructural considerations also apply to the preferential corrosion of weld metal, but in this case, the situation is further complicated by the presence of deoxidation products, their type and number depending largely on the flux system employed. In seawater, for example, the corrosion rate for a weld made using a basic-coated consumable may be three times as high as for weld metal from a rutile-coated consumable. Keywords: arc; carbon; corrosion; heat; metal; mig; steel; tig; treatment; welding; zone
• تخمين درجات الحرارة الخارجة من مبادل حراري نوع قشرة – انبوب باستخدام الشبكة العصبية الصناعية اعتمادا على معلومات تطبيقية by Jasim, Hisham Hassan (2013) - Input parameters for heat exchanger neural network modeling include inlet water temperature iw )T , inlet air temperature ia )T , air flow rate am• . Heat exchangers are commonly used in practice in a wide range of applications, from heating and air conditioning systems in a household, to chemical processing and power production in large plants. Keywords: air; data; exchanger; heat; input; network; output; training; validation
• تأثير خصائص الحشوة الكروية على انتقال الحرارة وفقدان الضغط في مجرى مسامي by Hilal, Kifah H.; Omran, Salman H.; Abdulla, Muthanna L. (2013) - Local Wall to Fluid Nusselt Number Aluminum, Alumina, Glass and Nylon packing evaluated by Eq.(20) using equivalent diameter of duct and air thermal conductivity are drawn in Fig.(15) and Fig.(16) which show that the plots have similar trend of (h x), increased at (5.1, 4,3, 2.2 and 1.4 percent) with increasing heat flux and at (36.7,38.8,44.6 and 45.7 percent) inlet air velocity but (Nu x) increased at (12.8,12.6,8.3 and 5.8 percent) with decreasing particle size. Abstract This work examines numerically the effects of particle size, particle thermal conductivity and inlet velocity of forced convection heat transfer in uniformly heated packed duct. Keywords: air; conductivity; duct; flux; heat; number; packing; particle; transfer; velocity
• محاكاة عملية للحمل الحراري الطبيعي من صفيحة عمودية مزعنفة بزوايا ميل مختلفة by Shehab, Saad Najeeb (2017) - Hence, the base convection heat transfer coefficient (hb) is : ℎ� = � � − (�� + � �)��(���� − ����) … (6) and the average convection heat transfer coefficient (hav) can be evaluated as follows : ℎ�� = � � − (�� + � �)�&(���� − ����) … (7) @�� = ABCDEFGD HC@GIJKLJGCBJ HC@GIJ= MNGCJO(���� − ����) Keywords: + �; array; base; convection; fins; heat; plate; transfer; vertical; ا �; � �
• تأثير المجال المغناطيسي مع السوائل متناهية الصغر على انتقال الحرارة في انبوب افقي by Karamallah, Abdulhassan A.; Habeeb, Laith Jaafer; Asker, Ali Habeeb (2017) - [12] Frank M. White, “Fluid Mechanics, Fourth edition, MacGraw-Hill books, 2001. ��� ��م هللا �� � ا ������� ا���� ��د����12 ا ��ارز�� ا )2016( 99- 109، ��� 3، ا 109 ! ا ��%ط �� �( ا ��ا)' �&�%ھ � ا *��� ا �� ��� ��م هللا 4 ����7 6 ج ** ��� 6 �7 �8��*** �� ا������ ا���������� * ,** ،***� / ��� �#��ا�!� �� ا� @omcahoo.ydr_abdulhassank: ا�(&)� ا'���&و�$ * laithjaafer@yahoo.com : ا�(&)� ا'���&و�$ ** ali_habeeb88@yahoo.com:ا�(&)� ا'���&و�$ ** ـ�ا �: ـ F�E ا��را�� . Keywords: concentration; heat; magnetic; nanofluid; number; transfer; volume; ا �; � �
• دراسة عملية و نظرية لتحسين أداء المجمعات الشمسية الهوائية باستخدام سطوح امتصاص مختلفة by Mohammad Saleh, Ahmed A.; Rashid, Taher Abbas (2017) - h&��+0 ا��C ( ا��#اB( أ��#ذج درا�� �8+-�3� X45 �� �Cر اداء أي �#ع &= ا��'�%�ت ا��.$I, .ا�'#-� ا����47 fins, corrugated absorber plate, Iron wire(ا��را�� ا�%���4 -��= ان �k^T ا�7 )F G&�%$ا� �3 H& )4�%ر ا��.$I,أ�#اع &= ا � �I,ح ا#S� ص�P$& : - V4&,ا�� $#ي ا WS ي ا�� ،)(corrugated ا��$%+ج &$�Pص �WS ا, ،�P$&)fins(ص �WS ا,ز(flat plat)، X45 Y��5ا��42$ �-���( &= ا�7%& \.C&(wire mesh) ،ه و��[ & �&(و#C^ X45ص�P$&,) �#ح اporous( . 2�273��ان ا��<�ءة ا� ���5 و&%� ل ا��<�ءة 3� X45 ل��dF ا�Tcث !�� &= &%$0.016) kg/s to 0.027 kg/sع (#� G�� ا��'�%�ت =& �� �Cو ا� �e-رأ�.$Iا �ع ا�� �&�� 3#�4� +�I,ه ا�#��[ ا�� �&(ا#C7� ��&� ا�� R��! Keywords: absorber; air; collector; efficiency; fig; flow; heat; performance; plate; radiation; solar; transfer; ا �; � �
• تحسين الموصلية الحرارية لشمع البرافيين العراقي المنشأ باضافة الألومينا النانوية المنشأ by Chaichan, Miqdam T.; Hussein, Rasha Mohammed; Jawad, Aida Mohammed (2017) - The enhanced of thermal conductivity of PCMS causes advancements in its thermal qualities [15]. The results indicated that thermal conductivity was improved with increasing the nanofillers mass fraction. Keywords: al2o3; change; conductivity; energy; fig; heat; materials; nano; paraffin; paraffin wax; phase; storage; vol; wax
• دراسة عددية للتدفق الحراري للموائع في الأنبوب ذي النتوءات by Salman, Sami D.; Abd Alsaheb, Ramzi Ata (2017) - In addition, the highest value in heat transfer enhancement was obtained at Re= 200 and 5% v/v nanoparticle with 43.9% enhancement compared with base fluid. [12] reported a numerical simulation on heat transfer enhancement of nanofluids in circular micro tube using different nanoparticles CuO, Al2O3, ZnO and SiO2, with different concentration (1% to 4% ) and different nanoparticle size (25 nm to 80 nm with ethylene glycol base fluid. Keywords: heat; nanofluids; nanoparticles; number; nusselt; ribs; transfer; tube
• تحسين اداء المبادل الحراري باستخدام الانابيب المندبة by Al-Jabery, Falah F. F. (2019) - h� � �� � Cp� T�� � T��� A? T?� � TA� … 9� [9]: V� � C� E A� �� �� �� … 2� Where, CD is the discharge coefficient, Ao is the cross-sectional area of the orifice plat, ΔP is the pressure drop across the orifice plat and E is the velocity approach coefficient.[9,10] C� � 0.5959 # 0.0312β�.& � 0.184β) # 0.0029β�.* Keywords: diameter; enhancement; heat; heat transfer; pressure; ratio; test; transfer; tube; � �
• تحسين الأنتقال الحراري للموائع النانوية في أنبوب دائري مجهز بصفيحة ملتوية ذات الأجنحة لتوليد الدوامات by Salman, Sami D.; Abd Alsaheb, Ramzi Ata (2018) - [2] L.S. Sundar, K.V. Sharma, “Turbulent heat transfer and friction factor of Al2O3 nanofluid in circular tube with twisted tape inserts”, International Journal of Heat and Mass Transfer, vol. 53, Issues 7–8, pp. Different forms of swirl generator which have the following properties of plain twisted tape (PTT) and baffle wings twisted tape (BTT) embeds with various ratio of twisting (y = 2.93, 3.91 and 4.89), baffle inclination angles (β = 0°, - 30° and 30) joined with 1%, 1.5% and 2% volume fraction of ZnO nanofluid were utilized for simulation. Keywords: baffle; friction; heat; number; tape; transfer; tube; twist; vol; y=2.93
• تحري عددي لتوصيل الحرارة المتغير مع الزمن خلال عازل للحرارة ذات خواص حرارية متغيرة مع درجة الحرارة by Abdulkareem, Mishaal Abdulameer (2014) - When the pressure within a thermal insulation material is lowered to a value, the percentage of heat transfer by heat conduction of the interstitial gas between the particles becomes negligibly small when compared with the percentage heat transfer by radiation and conduction over the bulk material. The dominant mode of heat transfer when choosing a specific thermal insulation material at atmospheric pressure is by heat conduction of the interstitial gas between its particles, whereas the heat transfer by radiation is negligible. Keywords: heat; tkj;  ;  ;  ;  
• تأثير استعمال شبكة موجة الهواء امام المكثف على اداء منظومة تبريد السيارات by Mahdi, Mahmoud Maustafa; Gaddoa, A. A. (2019) - For the second type of test, the experiment was carried out with three different size of air guide net, three different circular diameters (2, 3 and 3.5 cm) and a common air passage area. Figure (4) manifests the front view of the two different condenser configurations, namely without an air guide net and with air guide net. Keywords: air guide; angle; c system; c.o.p; compressor; condenser; cycle; guide net; heat; inclination; performance; power; sample
• تأثير استخدام المركب لفوهة مربعة ذو جنيح مع شريط حلزوني على الخصائص الحرارية في أنبوب مبادل حراري by Hoshi, Hisham Assi; Ahmed, Israa S.; Abdulmunem, Abdulmunem R. (2018) - Data Reduction The friction factor (�) is given by � = ∆� �� � �� � …(1) Heat absorbed by the air (Qair) is less by 5 % than the heat provided by the electrical heater (VI) due to the loss of heat to the surrounding ����= ���� = �� ����� − ��)=VI- ����� (2) The heat transfer by convection from the test tube section can be evaluated as follows: ���� = ℎ!��# − �$) …(3) Numerous investigations using insertion of various turbulators configurations on the improvement of heat transfer were performed. Keywords: fig; heat; nozzle; number; nusselt; transfer; tube; � �
• أنتقال الحرارة بالحمل المختلط والأشعاع خلال قناة مستطيلة مائلة مع أنبوب داخلي by Al-Hafidh, Manal H. (2019) - Introduction: Various heat transfer mechanisms and geometries have been studied by some engineers and scientists purposely to augment heat transfer in heat exchangers and some other heat transfer equipments. It is also indicated in the results that heat transfer from the surface of the circle exceeds that of the rectangular duct. Keywords: heat; radiation; transfer;  ;  ;  
• تأثير دقائق Al2O3 وعملية التصليد بالترسيب على خواص سبيكة الالمينيوم 332 by Subhi, Akeel Dhahir; Abdullah, Hussein Najim (2018) - They found that the bonding between Al alloy and Al2O3 particles and the wettability were improved. In addition to homogenous distribution, with increasing of percentage of nano-Al2O3 particles the microstructure was refined and the hardness of 332 Al alloy is increased. Keywords: al2o3; alloys; hardness; heat; nano; particles; treatment; wear

• دراسة ونمذجة تأثير التشغيل بالشرارة الكهربائية لمسحوق الجرافيت الممزوج على الخصائص الرئيسة للعملية by Al-Khazraji, Ahmed N.; Amin, Samir A.; Ali, Saad M. (2015) - 46و+UC 'C د26ت+. ��764/C ! �7;(��� P;5eC -$ل ازا! #� �3!2ا� 0�1 ا���/وج ا���ا-�, �+��قا�(&)�' #�&�ارة ا�$� �+�!� ������� ا� �1 ا��4 *** � ����د �1 ��� ** *ا�7 ن56 ا��/رج ����������/ ()' ا!&%$#� ا! Keywords: copper; current; design; dielectric; duration; electrodes; graphite; kerosene; kerosene dielectric; powder; process; pulse; pulse current; value; � �
• الدراسة العملية والعددية لمحاكاة قابلية التشكيل الهيدروليكي لصفائح سبيكة الألمنيوم AA5652 by Sadoon, Muthanna Hamza; Aziz, Sadiq Jaffar; Jassim, Hiba AbdAli (2015) - = ��( �, �, �)���(��, ��, ��) … (4) %% = ���(��, ��, ��) Keywords: hydroforming; pressure; process; sheet; − �; � −; � �
• أمثلية عوامل عملية اللحام بالخلط الاحتكاكي لسبيكتي الالمنيوم غير المتشابهة ( AA2024-T3و AA7075-T73) بأستخدام طريقة تاكوشي by Abbass, Muna K.; Al-Kubaisy, Munthir M.; Abdulkadhim, Ruqaya (2017) - .ا����ANOVA %&' VWو78&�) أل �ل '&% ����� 78&�) ��� ألQ7�و�� �8 اS\N %&/ �Eت ا�� د��$� | �&� 45و�!'� ا�&�7م ، د��$� | دورة 898وا��# (��I �!'� ا��وران ، � ��د ا� ���7& �, (�Aءة ا� C����ا�# Rا=داة ا�� �� Q878&�) ). �4#��ام ط��0 �12(�/ ��� ���س�� * ***ر��9 ��� ا�'�ظ7 ** ��6ر ���� را5 ����/ ��� ھ���� ا����ج وا� �دن ***،**،*����ا���� � ا�� mukeab2014@yahoo.com :ا����!و�# ا�! Keywords: friction; fsw; parameters; process; speed; stir; strength; tensile; tool; welding; ا �; � c; � �
• تصميم وتنفيذ قالب مرن لعملية التشكيل المتعدد النقاط by Abaas, Tahseen Fadhel; Younis, Karem Mohsen; Mansor, Khalida kadhim (2019) - So, using equation (2) to find the area of punch: � � � 4 15/2�� � 44.156��� Fig. 9. CAD-design and the product manufacturing using multi-point forming die (A) CAD-design (B) forming die (C) final product without blank holder (D) final product using blank holder. Keywords: design; die; forming; plate; point; process; punch; spring; � �
• دراسة تجريبية في عوامل التنعيم الكهروكيميائي على الصلادة ومعدل ازالة المواد للفولاذ امقاوم للصدأ 316 by Ghadban, Abdullah J.; Ibrahim, Abbas F. (2019) - [10] and material removal rate: is one of the most important criterions to determine the machining efficiency in ECG process determined by ��� = � � , (g/min) …(1) [12] R. Garg “Effect of process parameters on performance measures of wire electrical discharge machining” Ph.D. Thesis Mechanical Engineering Department National Institute of Technology Haryana, India. 2010. Keywords: concentration; current; electrolyte; gap; grinding; hardness; mrr; process; speed
• Heterogeneous Photocatalytic Degradation for Treatment of Oil from Wastewater by Mustafa, Yasmin A.; Alwared, Abeer I.; Ebrahim, Mothana (2014) -  Heavy hydrocarbons, fuels and tars including the crude oils, diesel oils, gas oil and asphalt. Gas oil was analyzed in Petroleum Research and Development Center / Ministry of Oil. Keywords: journal; oil; order; process; tio2; vol; wastewater
• دراسة تأثير متغيرات عملية التشكيل احادية التماس على الاجهادات المتبقية للأسطح الزاوية بالاعتماد على مسار العدة الايزو بلانار by Abdulrazaq, Mustafa Mohammed; Gazi, Safaa Kadhum; Ibraheem, Marwa Qasim (2019) - It found that residual stresses was raised up with increasing the step over and feed rate values, the effect of these variables studied on two slope angles. Keywords: Incremental Sheet Metal Forming, Residual stresses, Taguchi, single point incremental forming. Keywords: feed; forming; journal; process; shape; sheet; step; stresses; tool; vol
• الأستقصاء عن أنظمة المراقبة و السيطــــره على عمليات اللحـــام بالقوس الكهربائي by Abid Al-Sahib, Nabeel K.; Abdulateef, Osamah F.; Hamza, Ahmed Samir (2009) - Each kind of arc welding process is characterized by certain shapes of the welding voltage and the current typical for the process. This behavior of current related to welding process will present the relation with the weld quality. Keywords: arc; bending; current; journal; monitoring; process; quality; speed; strength; voltage; welding
• إيجاد المثالية لمتغيرات عملية القطع بالسلك الحراري لتحسين خواص فوم البولسترين by Mohammed, Israa Q.; Kadhum, Ali H. (2019) - [8] studied the Influence of process parameters on the surface Jroughness in hotwire of variable lamination manufacturing (VLM-S) for EPS foam such as cutting angle and compositions of expandable polystyrene EPS, the apparatus is four- axis automatic cutter and the specimen is thin foam. [7] Luka Ivanovskis, “Four Axis Hot-Wire Foam Cutter Controlled by Mindstorms EV3 “, Saimaa University of Applied Sciences, Faculty of Technology, Lappeenranta Degree Programme in Mechanical Engineering and Production Technology, Thesis 2017 [8] Dong-Gyu Ahn, Sang-Ho Lee, Dong- Yol Yang ,“Influence of process parameters on the surface roughness in hotwire cutting of EPS foam sheet for VLM-S rapid prototyping process”, Journal of Materials Science 40(21):5699-5702, 2005 Keywords: cutting; foam; material; parameters; process; ratio; wire; � �
• تحقيق عملي ومحاكاة لعملية سحب عميق مايكروية بأدوات مرنة بأستخدام تقنية الحلق الطافي by Mahmood, Zaid H.; Irthiea, Ihsan K.; Abed, Kadum A. (2018) - These constants are defined as: F � 12� 1R��� � 1R��� � 1R��� � … �2� G � 12� 1R��� � 1R��� � 1R��� � … �3� H � 12� 1R��� � 1R��� � 1R��� � … �4� L � 32R₂₃² M � 32R₁₃² N � 32R₁₂² … �5� the factors R11, R22, R33, R12, R13 and R23 are anisotropic yield stress ratios. f�σ�=� F�σ��-σ���2+G�σ��-σ���2+ H�σ��-σ���2+2Lσ��� +2Mσ��� +2Nσ₁₂² …(1) the material constants F, G, H, L, M and N are obtained from tensile tests in different orientations and σij refers the stress components [13]. Keywords: blank; drawing; flexible; forming; journal; micro; pad; process; punch; ring; rubber; simulation; thickness; � �
• A Review on Tool Pin Geometry of Friction Stir Welding by Ahmed, Walaa H. ; kadhum, Ali H. ; Salleh, Mohd Shukor (2024) - FSW tool pin profiles[40]. [37] P. Goel et al., “Investigation on the effect of tool pin profiles on mechanical and microstructural properties of friction stir butt and scarf welded aluminium alloy 6063,” Metals (Basel)., vol. 8, no. 1, p. 74, 2018. Keywords: cylindrical; friction; fsw; joint; material; parameters; pin; pin profile; process; profile; speed; square; stir; strength; tensile; threaded; tool; tool pin; vol; welding

• دراسة مدى ملائمة المياه الجوفية لمدينة بغداد للاستهلاك البشري والحيواني والزراعي by Channo, Reem J. (2012) - Using the Groundwater as Drinking Water for Human Depending on WQI values which are more than 50, all samples are not to be used for drinking water, because of the high concentrations of one or more of the water parameters which are above the permissible limitation (depending on Iraqi and WHO drinking water standards) this cause increasing in the WQI value, which means decreasing in water quality. Some countries use ground water as a source of water supply, in USA about 50% of its population depend on ground water as a source of drinking water, with 30% delivered by community systems and 20% from domestic wells Keywords: drinking; fig; ground; percentage; quality; samples; standard; values; water
• حساب كفاءة الانتقال للكتلة الحجمية للمفاعل البايولوجي by Atiya, Zainab Yaquob (2012) - Two variables, the effect of air flow rate (3-20 L/min) and the effect of stirring speed (250-700rpm) on KLa value were studied. On the other hand it is necessary to minimize air flow rate. Keywords: air; flow; kla; mass; oxygen; rate; transfer; water; xanthan
• فصل الماء عن الكحول الاثيلي بتقنية التبخير الجزئي باستعمال غشاء نانو سيلكا hydrophilic السيراميكي by Al-Mayah, Ameel Mohammed Rahman; Zair, Zyad Rafaa; Al-Hassani, Maha Hadi (2012) - [16] P. Kaewkannetra, N. Chutinate, S. Moonamart, T. Kamsan, and T.Y. Chiu, “Separation of ethanol from ethanol–water mixture and fermented sweet sorghum juice using pervaporation membrane reactor”, Desalination, vol. 271, pp. In all experiments, the weights of the collected permeate (with ceramic membrane) was less than 1% of the weight of the feed charged to the tank. Keywords: concentration; effect; ethanol; feed; fig; flow; flux; journal; membrane; pervaporation; rate; separation; vol; water
• تصميم وإنشاء مغناطيس كهربائي لتحديد كفاءته ودراسة الشروط المثلى لاستخدامه في إنتاج الماء القاعدي و الماء المغناطيسي ومعاملة مياه البحر لجعلها صالحة للسقي by Al-Bayati, Alaa Dhari Jawad (2015) - Conclusions According to the discussion of the obtained results , the conclusions extracted are as follows: • Using copper wire of SWG 19 with 100 turns and potential DC voltages in the range (1.5,3,4.5,6,9) V is good for producing magnetic flux suitable for producing magnetic water and the capacity of production magnetic water during 30 minutes is two liters because our tank is of two liters , Studies can be done on large tanks with large circulation rate water pumps. Abstract Electrical magnate was designed and constructed, the optimum Magnetic flux and the effect of time on the physical properties of the alkaline (magnetic water) produced from the bottled drinking water Keywords: field; flux; magnetic; ppm; tds; treatment; water; � �
• معالجة الماء المنتج بأستخدام أغشية الترشيح الفائق والترشيح النانوي by Sherhan, Bashir Y.; Abbas, Areej D.; Alsalhy, Qusay F.; Rashad, Alaa A.; Rashad, Zahraa W.; Shawkat, Aiden A.; Abbas, Thamera K.; Mahdi, yusra M.; Abdul Kareem, Noura A. (2017) - �� ��ھ�ن ��� )2016( 10- 18، ! =� اL���ف أ������ أ���Bام )�ة ا3 را�� :# ;����=PVC UF ن 6:� $Mا� '� � G G�6:�B G�5و��� PES NF ن 6:� ;���= '� رة ا���ء ا�����O ھ' ا#PPSU NF $M.و���ء � و � ان ) Keywords: g �; membrane; water; أ �; ا �; وا �; � f; � r; � ت; � ن; � �
• تقليل عسرة المياه بطريقة الاستقطاب الكهرومغناطيسي by Abdulrazzaq, Ghassan Hassan (2017) - �B���+ )ةا���ء إن�ز'�دة *)��@ أو 7 �W�D �<�)'�P ا��P/�0ب ا�(W)و+��Kط��- ھ- ا��)'�P ا�/- '/ CO3وا'=.�ت ا�()<=.�ت ا����Ca 2+ �1 اL/8ال ا'=.�ت ا�(����=م ا��=,�1 +�� '�/E �7; ز'�دة *���P ا���ء �CaCO3/(='�1�1C Iت ا���)ة��ه D- ا�� -2 �ام ��) ا��1�14ت ا����7 (��K* �� ا�Z�>(W)- ا����$ و 91 و<�WBز'�دة ا� � ا��/�EZ ا�C \� . Keywords: caco3; electromagnetic; hardness; precipitation; voltage; water; ا �; � ت; � �
• دراسة عملية لتاثير اضافة دقائق طبيعية لراتنج البولي أستر غير المشبع لمادة متراكبة بوليمرية by Abdullah, Orhan S. (2017) - 7 �5دة ا ��ا4��5 ا #�5Aة ادى ا D ز��5دة �5� �����5 ا M����د ا 3 G ا(Y$ ���+0 ا�M� JA د��+* ��3ر ا ���5ن �5� � �25 ا�>���5رات إ,���ان أ��A ا ���+0 ت) E9 ت�5-�� . ا0 �2!����3 �ح � أ هللا ورھ�ن �������� �� ا�� ����/��� ا���� ا ����� ا ا� ���و� ��� �ا :morhan_sabah@yahoo.co � ا��4 ��# ھ ا � � أ��� ت.-�� ا,��� د��+* ت (�� ط����� درا�� ت $ ا �� �ات�0 ا ��1 3�2ا ��4 ���5 ��567�8 و(���ا>���5ر ت�5 درا��5 . Keywords: husk; material; particles; tensile; water; ا �; د �; و �; � +; � �
• دراسة مقارنة لمحاليل السحب العضوية واللاعضوية في عملية التنافذ الامامي by Al-Alalawy, Ahmed Faiq; Abbas, Talib Rashid; Mohammed, Hadeer Kadhim (2017) - س *��*ھ�!4 3 ظ1 م و�� *** ،* ��� �� ���اد / ���� ا������ /��� ا������ ا�� � ** / هدا#ة ا� ��� وا�����%�� وزارة ا���%م وا�& Ahmedalalawy@yahoo.com : ا,� &و+* ا� ��* Talibrshd@yahoo.com : ا,� &و+* ا� �� ** hadeer_master@yahoo.com : ا,� &و+* ا� ��*** �� ا��$ ��0 ���ف ا� .-. H7�&ل ا���� Z� ر+� E�� ء ���� [K ء8ا��;< 1 CTA . Keywords: draw; feed; flux; h7 �; membrane; osmosis; solution; water; ا �; � %م; � k; � ل; � �
• تصميم طول شريحة الغطاء النباتي باستعمال VFSMOD_W موديل للحد من الرواسب والمبيدات الحشرية by Shukur, Hayat Kareem; Sachit, Dawood E. (2017) - The aim of this research is to study these characteristics and determine acorrelation between filter strip length and percent reduction (trapping efficiency) for sediment, water, and pesticide. The aim of this research is to study the characteristics of VFS (i.e., length) and determine a correlation between filter strip length and percent reduction (trapping efficiency) for sediment, water, and pesticide. Keywords: efficiency; filter; length; pesticide; sediment; strips; vfs; water; � �
• تقيم اداء محطة ماء شرق دجلة by Al-Ani, Faris Hammoodi; Kadum, Wassel (2011) - Raw water turbidity can vary over a very wide range, from virtually zero to several thousand NTU. The mean value is found to be 41.3 NTU, this results in Cv of 144.88% which reflects the wide variation in raw water turbidity levels of the Tigris River and indicates the need for pre-settling tanks especially in rainy seasons. Keywords: average; day; http://www.nitropdf.com/; ntu; statistic statistic; statistic std.error; turbidity; water; water turbidity
• دراسة إمكانية استخدام صخور النينفايت المحلية في تصفية مياه الشرب by Ali, Muna Faiq (2010) - ويتضح من البيانات المستحصلة من هذا الجدول ان قيم مستويات العكورة الناتجة وهذا امر مهم جداً من الناحية الهندسية لما يوفره من مردود اقتصادي هام. 3-4 تأثير تغير معدل الترشيح على إزالة مستويات العكورة الطبيعية الاولية المختلفة يتضح من الجدول (1) ان ازالة المستويات المختلفة من العكورة الطبيعية الاولية كانت متأثرة بمعدل الترشيح اذ يلاحظ Keywords: treatment; water; ازالة; استخدام; الترشيح; التشغيل; الجدول; الخام; الرمل; العكورة; الماء; المختلفة; المرشحات; المعالجة; المياه; الناتجة; الى; بالنسبة; بشكل; حوض; دورة; ساعة; صخرة; على; عند; كان; كفاءة; للمرشح; متوسط; محطات; مستوى; مستويات; معدل; وحدة
• تحليل التغير في الغطاء الارضي باستخدام بيانات التحسس النائي: حالة الدراسة منطقة جينغ جو, مقاطعة خنان, الصين by Al-Bassam, Bassam F. (2010) - The geometric errors of the Lansat TM data were corrected by using ground control points before the analysis of land cover change. Land use represents the most substantial human alteration of the earth system in the past 300 years (Vitousek et al., 1997). Keywords: area; bassam; change; cover; data; http://www.nitropdf.com/; image; land; study; use; water; zhengzhou
• تأثير اضافة الكحولات وسرعة الغاز على زمن احتجاز الغاز ومعامل انتقال الكتلة في العمود الفقاعي ذو الانبوب الداخلي by N. Jasim, Ali Abdul-Rahman (2009) - The liquid phase flow pattern in bubble column was qualitatively described by Kawagoe K, (1976) and by Schumpe A, and Grund, G.R. (1986), who identified the existence of two streams in the column: one heading upwards driven by the buoyancy of gas bubbles and the other carrying the liquid down. The study includes the effect of gas velocity and the addition of alcohols on gas hold-up and mass transfer coefficient in bubble column with draught tube when the length of the column is 1.5m and the ratio of the draught tube diameter to the column diameter equals 0.5 and the air dispersion into the base of the draught tube using a multi hole tuyere is equivalent to a diameter of 0.15 mm and has a free sectional distributor area of 61%. Keywords: bubble; column; flow; gas; hold; liquid; mass; phase; transfer; water
• إزالة الكبريتات من المياه المخلفة باستخدام الفحم المنشط by Salman, Mohammed Sadeq (2009) - (John, 1995) a Ce abqe Ce  1 ...(1) where Ce is the concentration of sulfate at equilibrium (mg/l) , a is constant monolayer adsorption capacity (mg/g) b is constant related to energy of adsorption (l/g) qe is adsorption capacity (mg/g). qe adsorption capacity at equilibrium (mg/g) 6. Keywords: adsorption; carbon; sulfate; water
• Permeable Reactive Barrier of Coated Sand by Iron Oxide for Treatment of Groundwater Contaminated with Cadmium and Copper Ions by Abdul-Kareem, Mohammed B.; Faisal, Ayad A.H. (2020) - https://doi.org/10.1016/S0304- 3894(00)00278-8 � ا����� �� )2020( 47- 55، ��� 2ا���د، �16��� ا���ارز�� ا� ����� ا����� ���� � 55 ا�����0 ا���/�� ا���#ه ���#��� ا����� �-و+*�� �(��� ر�#ل �' ا����ن ا���#ذ ا�$�# �� ا��#! وا���#س ا��#د���م �-��2#ت ���� �� � � **/�67 ا���!ة � ا�#د * ا����� 78,اد 2345%/ 01/ ا(.-,+% ا()&'&% *،** Mohammed.bahjet73@gmail.com*ا()=A, ا@(?<=و;:: ayadabedalhamzafaisal@yahoo.com**ا()=A, ا@(?<=و;:: ا��8 � ا(-\4ذ ا(<\HX4: ا(R54L ]: وا+; iX4\E% ا@R>3از 8&4;4ت E g&hTE/. ا(H) %&)4L,را+% ا(=f&0: ا(.,ف (Microsoft Word - 47- 55 \343\315\343\317 \310\345\314\312 \346\307\355\307\317) Al-Khwarizmi Engineering Journal Al-Khwarizmi Engineering Journal, Vol. 16, No. 2, June, (2020) P. P. 47- 55 Permeable Reactive Barrier of Coated Sand by Iron Oxide for Treatment of Groundwater Contaminated with Cadmium and Copper Ions Mohammed B. Abdul-Kareem* Keywords: cadmium; concentration; copper; csio; iron; oxide; removal; sand; water; � �
• السمية النباتية لسالفينيا موليستا في التعرض للديزل by Al-Baldawi, Israa Abdulwahab; Sheikh Abdullah, Siti Rozaimah; Ismail, Nur’ Izzati; Almanso, Asia Fadhile; Jasim, Salwa Shamran (2021) - Additionally, throughout the phytotoxicity test, the biomass of S. molesta was found to fluctuate confirming inhibition on plant to survive with diesel contaminated water compared with the corresponding control without contaminant. Salvinia molesta, an aquatic plant, is chosen in this study to determine its ability to degrade diesel as the pollutant in synthetic wastewater with different diesel concentrations (0, 8,700, 17,400, and 26,100 mg/L) for 14 days. Keywords: concentrations; diesel; fig; molesta; plant; tph; vol; wastewater; water
• ال اختبار نسبة الكتلة للمعالجة النباتية للنيكل من مياه الصرف الصحي by Taha , Maha ; Abdulwahab Al-Baldawi, Israa ; Sheikh Abdullah, Siti Rozaimah ; Ismail, Nur ’Izzati ; Shamran Jasim, Salwa (2022) - During the exposure period, the removal of Ni concentrations (2, 5 and 10 mg/L) for two mass ratio (2,800 and 34,000) were (83.6%, 77.2%, 78.0%) and (86.8%, 97% and 95.6%), respectively. final result of the rate was found that the highest removal occurred, 97%, at a mass ratio of 34,000 and a nickel concentration of 5 mg/L. Metal accumulation mechanism of plants were examined using bioconcentration factor (BCF) and translocation factor (TF) of metals which indicated that I. herbstii is suitable for phytostabilization of Ni (BCF>1 and TF<1). Vww is the volume of wastewater in (L), Table 1, Plant mass planted in each aquarium with respect to Ni concentration 2.2 Physical Parameters Monitoring During 21 days of experimental work, samples were taken from taps in each aquarium (Figure 2) at days 0, 7, 16, and 21. Keywords: concentration; d ay; mass; mass ratio; nickel; plant; ratio; removal; vol; water
• Assessment of Ornamental Plants Tolerance for Acute Exposure of Acetaminophen and Methylparaben in Constructed Wetlands- a Preliminary Study by Mutar, Zahraa Hasan ; Mohammed, Ahmed A. ; Abdulwahab Al-Baldawi, Israa ; Abdullah, Siti Rozaimah Sheikh ; Ismail, Nur ’Izzati (2022) - Chlorophyll hormesis: Are chlorophylls major components of stress biology in higher plants. Chlorophyll levels may decrease because of plant exposure to various forms of stress such as pollutants, drought, and other environmental factors [14]. Keywords: acetaminophen; chlorophyll; content; day; l mp; plants; vol; water
• دراسة أداء خلية تحلية المياه الميكروبية؛ كفاءة توليد الطاقة وتحلية المياه باستخدام الأكسجين النقي في غرفة الكاثود by عبد المحي, حسين حسام; زياد طارق آل اسماعيل; مهند جاسم محمد; Abd-almohi, Hussein H. ; Alismaeel, Ziad T. ; M-Ridha, Mohanad J. (2022) - Keywords: Microbial desalination cell (MDC), Biocathode, oxygen cathode, Voltage, external resistance. 5. shown the conductivity of the MDC using mixing in the desalination chamber Hussein H. Abd-almohi Al-Khwarizmi Engineering Journal, Vol. 18, No. 3, P.P. 37- 47 (2022) 42 Table 1, Comparing the performance of microbial desalination cell (MDC). Keywords: cathode; cell; chamber; desalination; doi; mdc; resistance; vol; water
• تأثير خليط مثبطات التآكل في منظومة خزان التبريد by Raheem, Dina (2011) - Introduction The term “corrosion” (in a cooling water system) is defined as the electrochemical deterioration of a metal that is in contact with cooling water. Then after 5 days the uniform corrosion will occur while the protective layer of Fe3 (PO4 ) 2 formed on the surface of carbon steel specimen as shown in Fig.(7) and Fig.(8) respectively, The chemical analysis of cooling water (inhibited water) were obtained from Al-doura refinery explain the values of alkalinity and pH increased because of mixture effect as shown in Table (8). Keywords: corrosion; inhibitor; metal; mixture; ppm; rate; scale; sodium; steel; water
• المعالجة البايولوجية للتربة الملوثة بالديزل باستخدام منظومة Biopile by Jabbar, Noor Mohsen; Kadhim, Estabriq Hasan; Mohammed, Alaa Kareem (2018) - Total petroleum hydrocarbons (mg/kg soil) Amended soil Unamended soil (control) The bioremediation procedure for contaminated soil with petroleum hydrocarbons especially with diesel is applicable in a field scale because of its low cost and environment-friendly. Keywords: bacteria; biodegradation; bioremediation; day; diesel; hydrocarbons; journal; moisture; petroleum; soil; water; � �

• دمج شبكة لاسلكية محلية مع شبكة GPRS بشكل آمن by Abdalla, Mohammed A.; Salim, Khalifa A.; Mohammed, Zinah Jaafar (2012) - In this work, an integrated WLAN combined with GPRS network system was implemented and tested to access the internet based on GPRS as a service provider. Only specified clients are allowed to access the SSH server those clients have to be configured with SSH server IP address and port. Keywords: access; client; data; fig; gprs; internet; network; rate; server; ssh
• Performance Evaluation and Optimisation of Spectrum Management in Communication Systems by GA by Thabit, Ahmed; Abd , Bassam ; Al-Askery , Ali ; Oleiwi, Haider (2025) - [22] X. Liu and H. Song, Spectrum allocation in cognitive radio systems using genetic algorithms and fuzzy logic, IEEE Access, vol. 9, pp. Abstract Whilst wireless communication technologies proliferate, putting extra demand on the finite radio frequency spectrum and leading to issues of congestion, underutilisation and interference, this dissertation presents a modern spectrum management model on the binary genetic algorithm (BGA) capable of improving detection accuracy and adaptive spectrum access in cognitive radio networks (CRNs). Keywords: algorithm; crossover; detection; fig; journal; management; mutation; networks; performance; population; radio; rate; spectrum; vol
• تأثير الحشوات السيراميكية على خواص البلى للمواد المتراكبة للايبوكسي- كاربون by Mahmood, Ibtihal A.; Soud, Wafa A.; Abdullah, Orhan S. (2013) - This lead to the increasing of loss weight, and finally the increasing of wear rate. The assessments of wear rate with different sliding distance under the testing conditions as shown in fig (10and11). Keywords: carbon; composite; epoxy; fiber; fillers; increase; rate; resistance; sliding; volume; wear
• حمايه التأكل للفولاذ الكاربوني المدفون بوساطة تغير الوسط by Merzah, Amel S.; Hafiz, Mohammed H.; Mohammed, Sarah k. (2017) - Metals buried in low resistivity soils will generally be anodic, whereas metals buried in adjacent high resistivity soils will generally be cathode .While Soil electrical resistivity is an important parameter in underground corrosion general, the lower the resistivity, the higher the corrosion rate as shown in (Table 1) Keywords: corrosion; gravel; media; method; rate; resistivity; sand; soil; steel
• تحديد العوامل المثلى للبلى في الفولاذ نوع AISI4340 by Hussein, Abbas Khammas (2017) - Sliding speed, applying load, and sliding distance were selected as the input factors, whereas wear rate was selected as the response. Main effect plot for wear rate vs. load, sliding speed and sliding distance. Keywords: parameters; rate; results; sliding; speed; steel; table; taguchi; wear
• أيجاد سرعة اللحام وطاقة القوس لوصلة لحام القوس المعدني الانصهاري (MAG) by Abed-Alkareem, Salah Sabeeh (2017) - The input parameters (arc voltage, wire feed speed and gas flow rate) were investigated to find their effects on the weld joint efficiency. Welding velocity = +74.28 + 5.42 * A + 14.95 * B + 4.96 * C + 5.35 * B2 + 7.89 * C2 … (3) And , the final equation in terms of actual factors: Welding velocity = + 241.40000 + 5.41750 * Voltage - 1.97110 * Wire feeding speed - 36.98125 * Keywords: arc; energy; feeding; flow; gas; rate; speed; velocity; voltage; welding; wire
• أداء الجفرة المسرعة مع بعض المفرقات المقترحة by Hadi, Ahmed S. (2017) - The new interleavers are called golden relative prime interleavers, golden interleavers, and dithered golden interleavers. 3.2 Golden Relative Prime Interleavers For golden relative prime interleavers, the interleaver indexes are calculated as follows:  (i)= (s + i.t) modL_info,i=0…L_info-1 (3) where s is an integer starting index, t is an integer index increment, and L_info is the interleaver length. Keywords: code; error; golden; interleaver; performance; prime; rate; section; turbo
• دراسة خصائص امكانية مزج بوليمر مع مواد تقليل الشد اسطحي وتاثيرها على ظاهرة تقليل الاحتكاك باستخدام نظام انابيب جريان by Dawood, Sahar A. (2017) - [24] Anees, A. K, and Ali, A. A, Performance of polyacrylamide as drag reduction polymer of crude petroleum flow, Ainshams Engineering Journal, 5, pp. In addition, critical micelle concentration, the onset of drag reduction, and the interactions between the mixed additives were discussed. Keywords: cmc; concentration; drag; drag reduction; figure; flow; pipe; polymer; ppm; rate; reduction; solution; surfactant
• اداء المفاعلات الحيوية ذات الخلاطات المزدوجة الساحبة للهواء by Mohammed, Alaa K.; Hussen, Hassanin Ali; Abid Al-Rassul, Safa (2008) - The ratio of impeller diameter to tank diameter (D/T) and the submergence (S) of upper impeller from the top were varied. The ratio of impeller diameter to vessel diameter (D/T) was varied from 0.15 to 0.35 .The lower impeller clearance from the tank bottom (C1) was also varied over a wide range (C1 =T/4 to T/8). Keywords: clearance; diameter; gas; impeller; induction; liquid; rate; submergence
• دراسة تأثير تحميل مادة الصلب على عملية امتصاص غاز ثنائي اوكسيد الكربون في العمود الفقاعي by Khadhier Mageed, Alyaa (2011) - The present work aimed to study the absorption rate of carbon dioxide in caustic soda (NaOH) solution 0.1, 0.5 and 1M at different volumetric gas flow rate 0.75, 1 and 1.5 m3/h and carbon dioxide concentration of 10% by volume mailto:Aliaamce_1980@yahoo.com Alyaa Khadhier Mageed Al-Khwarizmi Engineering Journal, Vol. 7, No. 3, PP 30 - 38 (2011) 31 with and without solid particles (activated carbon and alumina oxide (Al2O3) (1, 5 and 9 vol.%), keeping other variables constant as temperature of (20±2)oC, and atmospheric pressure. In the present work experiments were conducted to study the effect of solid loading (1,5 and 9 vol.%) on the enhancement of carbon dioxide absorption in bubble column at various volumetric gas flow rate (0.75, 1 and 1.5 m3/h) and absorbent concentration (caustic soda)( 0.1,0.5 and 1 M ). Keywords: absorption; area; bubble; carbon; dioxide; gas; liquid; mass; rate; transfer
• Kinetics of Electrochemical Removal of Nickel using Bio-electrochemical Reactor with Packed Bed Rotating Cylinder Cathode by Zahraa A.kadhim, Zahraa; H. Abbar, Ali ; علي حسين عبار (2022) - Its relation to the applied voltage can be fitted as follows: � � ������� where ko =0.01695 min-1 and -β=0.431. The effects of applied voltage, initial nickel concentration, the rotation speed of the cathode, and pH on the reaction rate constant (k) were studied. Keywords: cathode; concentration; constant; kinetics; nickel; rate; removal; rotation; voltage; � �
• تأثير المادة الداعمة على تحطيم صبغة الازو بواسطة عملية (photo-Fenton-like) وباستخدام العمود المتسمر ذو الحشوة الثابتة by Mahmoud, Zainab A.; Atiya, Mohammed A.; Hassan, Ahmed K. (2022) - Sci., vol. 8, no. 2, pp. Sci., vol. 38, no. 6, pp. Keywords: beads; bed; column; concentration; db15; doi; e@b; fenton; flow; glass; nps; rate; removal; vol
• Modified Study for the Effect of Combined Cycling Loading in Plane on Dynamic Edge Crack Propagation in a Thin Plate by Mosleh, Israa Abed Alrazak ; A. Alshamma, Fathi A. (2024) - Zain and Alshamma designed a new laboratory apparatus capable of applying single or multiple cyclic loadings, which facilitated the analysis of samples of genuine tubes with realistic sizes and the study of crack growth rate experimentally and numerically using the Forman equation [9]. A comparison of the analytical findings for alloy 5052 with the experimental result indicated the analytical model with the error rate in crack growth rate is 5.23%. Keywords: crack; crack growth; doi; energy; equation; fig; growth; length; material; mode; propagation; rate; results; sample; stress; vol
• قياس معدل الصدمة لتصاميم مختلفة لكعب حذاء لمبتور تحت الركبة by Abbas, Hamza (2025) - The x-axis shows the effect of height (L, in cm), area (A, in cm2) and modulus of elasticity (E in MPa) on changing the mean of impact loading rate F' (BW/s). The x-axis shows the effect of height (L, in cm), area (A, in cm2) and modulus of elasticity (E in MPa) on changing the mean of impact loading rate F' (BW/s). Keywords: design; heel; impact; journal; loading; rate; vol

• تصميم نظام تحكم لذراع انسان الي يحاكي حركة ذراع الانسان by Al-Ammri, A. Salam; Taki, Ghaith A. (2017) - The analog voltage of sensing arm base joint is converted to the digital voltages of 4-bits and are sent via pin(2),pin(3),pin(4),pin(5) of parallel port. The Experimental Work The system consists of four parts: sensing arm, interface circuit, robotic arm and control software, Fig.1. Keywords: arm; control; joint; motion; robot; sensing
• تصميم مسيطر عصبي (PID) متكيف لخزان مفاعل مستمر الإثارة مبني على أساس أمثلية حشد الجسيمات by Dagher, Khulood A.; Al-Araji, Ahmed S. (2013) - It consists of two control loops, inverse control and PID control. PID control is a complement for inverse control and is mainly used to eliminate static error existing in direct inverse control when the inverse model is uncertain. Keywords: adaptive; control; controller; cstr; network; particle; pid; tuning
• مسيطر قوة- موقع لروبوتات أعادة تأهيل الاطراف السفلية بأستخدام خوارزمية مستعمرة النمل by Hassan, Mohammed Y.; Ghintab, Shahad S. (2017) - More specifically, the desired dynamic relationship between the end effector position � ∈ �� and the vector of contact forces � ∈ �� are specified as follows [10]: F� − F = K��X� − X� + B��X� � − X� � + M��X� � − X� � … (1) Where the parameter �� ∈ ��×� is the stiffness diagonal matrix, �� ∈ ��×� is the damping diagonal matrix and �� ∈ ��×� is the inertia diagonal matrix. � dr.m.hassan@uotechnology.edu.iq : ا:!10%و89 ا!6%7+ * ssswnh5@yahoo.com : ا��� رو�� ا��ر�د ** �� ا��8 � . Keywords: control; controllers; disturbance; fig; force; position; rehabilitation; robot; trajectory; � �
• تصميم ومحاكاة مسيطر تكيفي نوع L1 للسيطرة الموضعية لمؤازرات محرك التيار المستمر by Mohammed, Mohammed Ali S.; Humaidi, Amjad J.; Al jodah, Ammar A. (2017) - For instance, adaptive controllers rely on the need of a persistency in parameter excitation before convergence which may lead to a bad transient behavior. [10] J. E. Hacker, L1 -Adaptive Control of Uncertain Nonlinear Systems with Dynamic Constraints: As Applied to Commercial Aircraft Engines, Master Thesis, University of Connecticut, Mechanical Engineering, 2011. Keywords: adaptive; case; control; controller; mohammed; responses; signals
• نمذجة ومحاكاة محرك تيار مستمر مسيطر عليه بواسطة مغير تيار مستمر خافض للفولتيه وبدون متحسس سرعه by H. Jassim, Bassim M.; Ali, Tagreed M. (2010) - Where: nKaEg . …(7) Using the last two equations with Eq.(1), yields: Vs RaIanKa D ..   …(8) Then: ),( IanfD  …(9) The proposed algorithm assumes that the reference speed is equal to the actual speed, so if there is a two dimension look-up table in which the first field represents motor speed, the second field represents the armature current and the third one represents the duty ratio; then the required duty ratio can be calculated for a given reference speed and motor load which is estimated by the armature current. Where: …(7) Using the last two equations with Eq.(1), yields: …(8) Then: …(9) The proposed algorithm assumes that the reference speed is equal to the actual speed, so if there is a two dimension look-up table in which the first field represents motor speed, the second field represents the armature current and the third one represents the duty ratio; then the required duty ratio can be calculated for a given reference speed and motor load which is estimated by the armature current. Keywords: armature; buck; control; converter; current; motor; ratio; speed; voltage
• تَوجيه الانسان الآلي النقَّال بتَطبيق النظريةِ الضبابيةِ على محتسّساتِ السونارِ by Abid Al- Sahib, Nabeel K.; Jasim, Ahmed Rahman (2010) - Abstract This study describes how fuzzy logic control FLC can be applied to sonars of mobile robot. The fuzzy logic approach has effects on the navigation of mobile robots in a partially known environment that are used in different industrial and society applications. Keywords: avoidance; control; function; goal; http://www.nitropdf.com/; membership; mobile; obstacle; robot; software; sonar
• التحكم الضبابي بقوة مسك يد الإنسان الآلي باستخدام مشغل الأسلاك العضلية by Al-Azzawi, Yarub Omer Naji (2011) - Abstract The aim of this research is controlling the amount of the robotic hand catching force using the artificial muscle wire as an actuator to achieve the desired response of the robotic hand in order to catch different things without destroying or dropping them; where the process is to be similar to that of human hand catching way. Introduction It is still hardly desired to control the motion and catching force of the robotic hand to make an excellent response to catch different things without destroying them or slipping them down. Keywords: control; force; hand; muscle; piece; wires
• تحكم الطائرات بدون طيار على أساس مزدوج المنظم الخطي التربيعي ومتحكم بي آي دي الضبابي by A. Al-Isawi, Malik M.; Attiya, Adnan J.; ADOGHE, Julius O. (2020) - 2( Create Weight points �I �\� � ] 2^] �I �_� � �I �\� � �1 � `6 � a� �S �_� � �S �\� � 9 6�2^]� ' � 1,2,……2 X � `6�( � b� � ( 1e � 4 ≤ ` ≤ 1 b � 0 a � 2 Transfer sigma points ��fK\K89�S � h����S� ' � 0,1,… . ھ!� � ا�,#'�)#6 وا��45ء *** @kecbu.uobaghdad.edu.iqmalik *ا�>*;� ا:�'8*و)�: @kecbu.uobaghdad.edu.iqAdnan**ا�>*;� ا:�'8*و)�: osemudiamenadoghe@cmail.carleton.ca***ا�>*;� ا:�'8*و)�: �� ال�5 �;� ��ون ط#�ر �/�B;�$B8م ھ@ا ا�>?< Keywords: control; controller; fig; fk\k89 �; fuzzy; lqr; pid; uav; vol; ا �; � g; � �

• محاكاة ديناميكية الموائع الحسابية لمرض الغرغرينا في القدم السكرية by Al-allaq, Ali Amer (2018) - The disease of gangrene and artery stenosis in diabetic foot has been investigated by using a simulation program (ANSYS Fluent CFD). Keywords: Diabetic foot, artery stenosis, gangrene, blood velocity, wall shear stress, mass flow rate, CFD, femoral artery. Keywords: ali; area; artery; artery stenosis; blood; case; diabetes; disease; fig; flow; foot; gangrene; patients; shear; stenosis; stress; study; velocity; vol; wall
• بحث توزيع الحمل والضغط على الجناح مع التفاف دوامات الأثر لطائرة ذات سرعة واطئة by Ismail, Laith W. (2018) - The capability of the present method is investigated through a number of test cases with different types of wing sections (NACA 0012 and GA(W)-1) for different aspect ratios and angles of attack, the results include the lift and drag curves, lift and pressure distributions along the wing span taking into the consideration the effect of the angles of attack and the aspect ratios on the wake rollup. Pressure Distribution on the Upper Surface of Wing with NACA 0012 (a) AR=3 (b) AR=4. Keywords: aspect; flow; journal; lift; method; pressure; separation; vortex; wake; wing
• دراسة العوامل المؤثرة على انسيابية العامل المساعد (Al2O3 (ZnO – CuO/ مع مزج مزيتات مختلفة خلال القمع by Mohammed, Malek M.; H. Radhi, Mazin A.; Nasir, Ali Yasseen (2009) - Figures (5 – 8) show that, the mass flow rate at (0.6 mm) reach to the maximum value because the size of catalyst particles increased the effect of lubricants in the flow becomes clear than the cut of small size., and then fall down because the flow depend mostly on the particles size of catalyst, the diameter of hole of the hopper which is (2 cm) is fixed and the size of particles became larger (0.72 mm), therefore, the particles were crowded and do not able to flow through hopper. Catalyst through Hopper before Tableting Process Al-Khwarizmi Engineering Journal Al-Khwarizmi Engineering Journal, Vol. 5, No. 4, PP 18-24 (2009) Studying the Factors Effect on the Flowability of (ZnO – CuO/ Al2O3) Catalyst with Blending of Different Lubricants through Hopper Malek M. Mohammed * Mazin A. H. Radhi ** Ali Yasseen Nasir * * Department of Chemical Engineering/Al-Khwarizmi College of Engineering/ University of Baghdad ** Al-Rayah State Company (Received 18 March 2008 ; accepted 21 May 2009 ) Keywords: acid; catalyst; flow; graphite; lubricants; particles; starch
• ال صمام تحكم اتجاهي يكون مغلقا في العاده: Magnetorheological normally close directional control valve by Kamal, Hadeer Ali ; Salloom, Maher Yahya (2021) - Keywords: Magneto-rheological (MR) fluid, MR valve, FEMM magnetic programming, normally close (NC)MR valve. It can be utilized in MR valves with 4/3 directional control, making it smaller than the exemplary one. Keywords: current; field; flow; fluid; flux; magnetic; mr valve; pressure; valve
• تخمين تجريبي لسرع الانبعاج ألحرجه للأنابيب الناقلة للموائع ذات الطاقة المحفوظة by Jweeg, Mohsen J.; Ismail, Mahmud R.; Yousif, Albert E. (2018) - Boundary conditions Critical velocity Error% Estimated Theoretical p-p 18.2238 17.7091 2.9 c-p 24.3573 25.3664 -3.95 c-c 30.9194 35.4182 -12.4 Tables 7 and 8 indicate that there is generally some errors between the theoretical and the estimated values of critical velocities these errors can be attributed to many reasons such as : 1. Mohsen J.Jweeg Al-Khwarizmi Engineering Journal, Vol. 7, No. 4, PP17-26 (2011) 20 In the case of PVC pipe models a digital thermometer was used to record the operating temperature since their mechanical properties are temperature dependant .The sensor of the thermometer was fitted on to the pipe outer surface. Keywords: flow; fluid; frequencies; models; pipe; velocities
• Recent Tools of Software-Defined Networking Traffic Generation and Data Collection by Khudhair, Tabarak; Athab, Omar (2025) - This research aims to address the shortcomings found in the literature, such as the lack of details about the tools and methods used to generate data in SDN networks. SDN topology 5. Methodologies to Generate SDN Traffic Many tools are built-in or built-out in the Mininet simulator to generate traffic between end hosts and measure specific network performance attributes. Keywords: controller; data; flow; hosts; mininet; network; number; packet; sdn; statistics; switches; tool; topology; traffic; vol

• نظام جديد للأخفاء بالصوت يعتمد على مولد مفتاح- ذاتي by Kadhim, Inas Jawad (2012) - Reading stego-wave file PROCESS: Entering plain-text Skip first (60) byte from wave file Let n=plain-text length (3 byte = 24 bits) Embedding n in(3)bytes with(5)byte jump using Hide-byte The first one interested in hiding text in wave cover file called hiding algorithm and the second one is specialized in extracting data from the stego wave file called the extracting algorithm. Keywords: algorithm; byte; data; file; format; hiding; key; message; stego; wave
• Energy Consumption Analyzing in Single hop Transmission and Multi-hop Transmission for using Wireless Sensor Networks by Hamza, Ekhlas K.; Alhayani, Heba H. (2018) - The existing cluster will also remain CH for the next round when it has no enough energy to consume during its time and has more energy than essential edge .This matter describes how energy unused in routing packets for cluster formation and new CH can be saved accordingly. Keywords: Energy-efficient, LEACH, MODLEACH, Network- lifetime, Wireless sensor network 1. Keywords: data; energy; hop; leach; multi; network; protocol; routing; sns; wireless
• ايجاد معادلات الاداء للضواغط المنزلية اعتمادا على البيانات التصنيعية للثلاجات والمجمدات by Mahdi, Louay Abd Alazez; Habib, Emad Esmaael; Abd Almunam, Laith (2015) - ������ي �� ا #$%&��()' ا*+��د11�%$' ا�0/ارز#, ا�� )2015( 89-106، 234' 4، ا 106 ���ت وا� � �ات�ا���د ���د�ت ا�داء �� �ا� ا� ����� ا���� ������ �دا ��! Approximation Functions The goal of the approximation functions, is to obtain the best dependable fitting curves to measure the dependability of the fitted curves corresponding values R2 were calculated, where R2 is given by [7]: �� = ∑�� − ���� ∑�� − ���� y is the measured data yn is the estimated(calculated) value and y ̅ is the mean of y. Keywords: -10; -25; data; y y; ∗ �; � ∗; � �
• تمثيل نظام إرسال Zigbee بالأعتماد على معيار IEEE 802.5.4 الخاص بشبكات المستشعر اللاسلكي by Hamza, Ekhlas K.; Hadi, Russul H. (2017) - The system has been designed indirectly from scratch using OQPSK modulation technique with half sine pulse-shaping method. Section 3 introduces an overview of digital modulation techniques. Keywords: data; fig; ieee; modulation; phase; signal; zigbee; � �
• تصميم ومحاكاة Gaussian FSK مرسلة باستعمال مركب ترددات من نوع ΣΔ Modulator Fractional-N by Noori Hasan, Ali Mohammed (2008) - Thus, the signal to noise ratio at low frequencies is higher than in a first-order modulator. ADF7012 chip contains reference divider, MASH modulator, and phase frequency detector. Keywords: accumulator; data; figure; fractional; frequency; modulation; noise; output; phase; synthesizer
• مقارنة نماذج التعلم النقل من النهاية الى النهاية لسيارات الذاتية القيادة by Khidhir, Yahya Ghufran; Morad, Ameer Hussein (2022) - (b) The drawn paths ResNet18 model on the second track. In addition, another group of researchers [10] developed a lightweight DNN model (J-Net) for car steering angle control and compared this model to two other models, AlexNet and Nvidia's model. Keywords: angle; car; data; densenet121; driving; end; image; journal; khwarizmi; learning; models; network; performance; resnet18; steering; track; training; vol
• نظرة عامة على فصل المصادر السمعية والبصرية باستخدام التعلم العميق by Sulaiman, Noorulhuda Mudhafar; Al Tmeme, Ahmed; Mahdi , Mohammed Najah (2023) - [34] proposed a deep learning approach for audio-visual speech separation. [38] Makishima, N., Ihori, M., Takashima, A., Tanaka, T., Orihashi, S., Masumura, R.: Audio-visual speech separation using cross-modal correspondence loss IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). Keywords: approach; audio; data; et al; features; ieee; information; learning; method; network; processing; separation; signals; sound; source; source separation; speech; speech separation; video
• Secure and Lightweight Cipher for Resource-constrained IoT Healthcare Applications using Snake Key Generation by Ismael, Saja Kareem; Shujaa, Mohamed Ibrahim; Bahaaulddin A. Alwahhab, Ahmed (2025) - [11] proposed a crypto-stegno method for protecting healthcare data in IoT, which effectively prevents data leakage. [11] Crypto-stegno framework for securing healthcare data in IoT Crypto-stegno Abdellatif et al. Keywords: algorithm; bee; data; doi; encryption; generator; healthcare; internet; iot; journal; key; patient; randomness; security; snake; solution; swarm; vol

• تأثير الرقم السيتاني للوقود على أداء وملوثات العادم لمحرك ديزل متعدد الأسطوانات ذي حقن مباشر by Ahmed, Sabah Tarik; Chaichan, Miqdam Tariq (2012) - A kind of cetane number improver has been proposed and tested to be used with diesel fuel as ameans of reducing exhaust emissions. Like gasoline, diesel fuel is not a single substance, but a mixture of various petroleum-derived components, including paraffins, isoparaffins, napthenes, olefins and aromatic hydrocarbons, each with their own physical and chemical properties. Keywords: cetane; cn=; combustion; concentrations; diesel; diesel fuel; effect; emissions; engine; exhaust; fig; fuel; number; speed; variable
• حالة الإتزان لإهتزاز هياكل الضاغط by Al Hariri, Nassir Hassan Abdul Hussain (2012) - 5- It is noticed that the effect of pump structure damping is important near the ratio ω/ ωn which is between 0.45 and 1.58. The stability charts are obtained in the figures, by keeping natural angular speed ωn and some other parameters are constants and then varying angular speed ω to vary the ratio ω/ ωn. Keywords: pump; speed; stability; structure; values; vibration
• استخلاص البنسلين Vمن ناتج التخمير المصطنع بأستخدام تقنية الغشاء السائل by Hameed, Khalid W. (2012) - After that 300 ml of membrane phase was added to cover the other two phases as shown in Fig.1. The outer beaker was covered with a thin plastic layer to prevent evaporation of membrane phase. Keywords: extraction; feed; liquid; membrane; penicillin; phase; receiver; speed
• تخمين السرعة والموقع لمسوق المحرك الحثي ذو سيطرة توجية المجال المغناطيسي المباشر by Hussain, Mohammed Khalil (2012) - Reduced Order Extended Kalman Filter A Review of Previous Work There are a lot of papers dealing with Kalman Filter, especially with Extended Kalman Filter (EKF). Keywords: filter; k e; kalman; load; order; position; r r; speed;  
• تحسين مقاومة البليان لسبيكة الالمنيوم A332 المقواة بدقائق سيراميكية ونانوية من الالومينا by Mhmood, Ibtihal A.; Mohamed, Adnan dawood; Mohamed, Rawnaq Ahmed (2017) - Among these composites, aluminium alloy matrix composites attract much attention due to their lightness, high thermal conductivity, moderate casting temperature, etc.[2,3]. The wear behavior of alumina particulate reinforced A332 aluminium alloy composites produced by a stir casting on-disc type apparatus was employed for determining the sliding wear rate 1 µm, 12µm, 50 nm) and different weight percentage (0.05 properties characterization which strongly depends on microstructure properties of ( nano , micro) alumina particulates lead to simultaneous increase in tensile stress (UTS), wear resistances. Keywords: a332; alloy; alumina; composites; hardness; particles; sliding; speed; strength; tensile; wear
• تحديد معاملات اللحام المثالية لسبائك الالمنيوم (AA2024-T351) الملحومة بواسطة لحام الخلط الاحتكاكي by Al-Rubaie, Samir Ali Amin; Atiah, Qasim Abbas; Altaher, Zuhair (2014) - � ا������م �+!,-. 235-241, 2012 Design-Expert® Software Factor Coding: Actual Maximum bending force Design Points 1450 600 X1 = A: Welding speed X2 = B: Rotational speed 10 15 20 25 30 800 890 980 1070 1160 Maximum bending force A: Welding speed B : R ot at io na l s pe ed 800 800 900 900 900 900 1000 1000 1000 1100 1200 1300 5 Prediction 1377.83 � ا�ر���� ��� �� ا����� ���� 1، ا���د�11ا���ارز�� ا������� ا�� ،2015( 51- 64( 64 ا������� *�ا�(� ��!م (AA2024-T351)) Keywords: = �; bending; design; elongation; force; speed; strength; tensile; tool; value; welding; welding speed; ا �; � �
• دراسة مقارنة للخصائص الميكانيكية للحام الخلط الأحتكاكي والقوس المحمي بالغاز الخامل لسبيكة الألمنيوم (AA7020-T6) by Tolephih, Moneer Hammed; Mashloosh, Kadhim M.; Waheed, Zainab (2011) - Vickers microhardness tests were performed on welded joints according (ASTM E384) with (50 g) load to compare and assess the hardness distribution of the FSW and MIG welding by using Zwick/Roell microhardness machine. The essences of present output findings were concentrated upon the FSW samples in respect to that MIG ones which can be summarized in the increase of the ultimate tensile strength for FSW was 340 MPa while it was 232 MPa for MIG welding, where it was for base metal 400 MPa. Keywords: alloy; aluminum; figure; fsw; hardness; http://www.nitropdf.com/; mig; min; properties; speed; tensile; travel; welding
• تأثير شروط التشكيل مثل السرعة على غلق الفجوات بقوالب الطرق المفتوحة by Ali, Alaa Hassan (2019) - (4, 11, 20, 29, 37, 45, 54, 65, 73), highest stress concentrated near central void for highest closure speed (20 mm/min) for all ratios and also highest void closure. 4- When compare the result shown in figs.(16, 25, 34, 42, 54, 63, 72, 81) for strain in (y) direction it can observed with same conditions that the highest ( y ) happened on the highest speed at highest third ratio which also cause highest void closure . Keywords: closure; fig; ratio; speed; void
• دراسة أداء سلوك المساند عكسية الدوران ذات الحلقة العائمة تحت ظروف عمل مختلفة by Abass, Basim A.; Alwan, Adel A.; Hunain, Mustafa B. (2007) - Absract: The steady state performance of the counter rotating floating ring Journal bearing is analyzed with isothermal finite bearing theory. The decrease in the clearance ratio (c1/c2) increases the ring speed, suggesting that the coefficient of friction becomes lower when the ring be closer to the journal Conclusions: The steady state performance of the counter rotating floating ring journal bearing is analyzed with isothermal finite bearing theory. Keywords: bearing; film; http://www.nitropdf.com/; journal; oil; ratio; ring; speed
• حدود سرعة الرفرفة للصفائح المسلوبة و المستطيلة الناتئة by Jabir, Kusay H. (2007) - Abstract: The aerodynamic and elastic forces may cause an oscillation of the structure such as the high frequency of the airfoil surfaces and the dynamic instability occurring in an aircraft in flight and failure may occur at a speed called flutter speed. Different design parameters were investigated such as aspect ratio, thickness and their effects on flutter velocity. Keywords: flutter; speed; thickness;  ;  
• التحقق من خواص الحالة المستقرة للمحرك الحثي التقليدي ثلاثي الأطوار عندما يغذى من مصدر غير متساوي (متوازن) الفولتيات by Jalal Abdi, Aslan Sabahaldeen (2011) - The simulation model is introduced to support and enhance electrical engineers with a complete understanding for the steady state performance of a fully loaded induction motor operating from unbalanced supply voltages. Keywords: Three phase induction motor, unbalanced supply voltage, MATLAB/simulink. Keywords: circuit; induction; motor; phase; speed; state; stator; supply; torque; voltage
• دراسة مكونات السرعة الشعاعية والمماسية لشفاء النسيج الطلائي بعد جراحة اصلاح قرنية العين البشرية by Ghaeb, Nebras H. (2020) - �M N�O �9L��, 0 = �M J<ℎPK <ℎN� 0 ≤ � < 0 …(11b) Boundary Conditions: �9L��, 0 = �M N�O �9L��, 0 = �M J<ℎPK <ℎN� 0 ≤ � < 0 …(12a) ��� is a biological function. Keywords: cell; concentration; egf; epithelial; healing; hours; iss; speed; vol; − �; � −; � �

• دراسة تأثير اضافة الايثانول الى الكازولين على شدّة الضوضاء الناتجة من محرك أحادي الاسطوانة يعمل بالشرارة by Saleh, Adel Mahmoud (2011) - ومع اضافة ایثانول بنسبة ثبتت أن اضافة الكحول ال تؤثر كثیرا على مقدار الصوت المنبعث من المحرك، كما أن الضوضاء تزید بزیادة عدد دورات المحرك، وأحادي القطب، كما أ .لیل في الضوضاء Kantarelis & Walkerالباحثان ناتجة عن زیادة سرعة المحرك، وإنھ یمكن تقلیل الضوضاء الف التصامیمــــــــــباخت 8dB-5بة من ـــــــبنس (Kantarelies &Walker, 1988). Keywords: engine; http://www.nitropdf.com/; http://www.nitropdf.com/ http://www.nitropdf.com/; noise; page; software; sound; trial; اضافة; الصوت; الضوضاء; العالقة; المحرك; الى; بین; ضغط; عازل; على; عند; مستوى
• مفهوم التصميم الميكانيكي الإحيائي لليد البشرية الاصطناعية by Abbass, Sadiq Jafer (2011) - Keywords: kinematic analysis, human hand, dartfish, grips, muscle wire. Abstract This work is focused on the design parameters and activity of artificial human finger for seven grips. Keywords: analysis; finger; grip; hand; http://www.nitropdf.com/; http://www.nitropdf.com/ http://www.nitropdf.com/; joint; muscle; phalanx; wire
• إزالة ضوضاءِ التي تَستعملُ أقلّ تكراريةً الخوارزمياتِ المربّعةِ by Muhsin, Noor K. (2011) - As illustrated in section 3.1 and table 1 the FIR filter order (5) while IIR filter order (10) because FIR filter output is calculated using the current and past input, but not previous values of the output and produce more placental results at the selected order but IIR filters are recursive filters that use the surrounding input and previous output values together and the selected order introduce good results. To compare between the standard deviation of the two outputs the results shown that std of FIR output of HFN is approximately similar to std of the desired signal and less than of IIR output std but approximately similar to std of desired signal that mean that the deviation of the results from the true curve is smaller in case of FIR filters to remove both noises than the IIR filters. Keywords: filter; fir; http://www.nitropdf.com/; iir; output; rls; signal; weights
• طريقة مقترحة باعتماد (Bionics) لتتبع الأجسام للاستخدام في تطبيقات الإنسان الآلي by Abdul-Ameer, Hussam K. (2010) - The references [13] and [14] demonstrated multi-sensor fusion in object tracking algorithms, where in [13], the cooperation method of cameras for object tracking was introduced, while [14], presented the localization and object tracking problems using audiovisual measurements, where two microphones are used beside CCD camera to achieve target localization. Abstract In this paper, an approach for object tracking that is inspired from human oculomotor system is proposed and verified experimentally. Keywords: case; fovea; frame; http://www.nitropdf.com/; nil; number; object; pan; pan tilt; phase; saccadic; tilt; tracking; values
• دراسة ملوثات NOx لمحرك اشتعال بالشرارة يعمل بأنواع مختلفة من الوقود الهيدروكاربوني والهيدروجين by Chaichan, Miqdam T.; Abass, Qahtan A. (2010) - Continued research is needed to provide more light on their suitability as engine fuels and understand better the roles of the many factors that control their behavior so as to achieve in practice the many potential superior benefits associated with their applications as engine fuels. With hydrogen as engine fuel, changing spark timing from the optimum timing cause abnormal combustion, so the work will be limited with optimum timing, except for very lean equivalence ratios less than Ø =0.7, retarding spark timing appears its usual effect. Keywords: concentrations; effect; engine; equivalence; fuel; http://www.nitropdf.com/; hydrogen; nox; ratios; spark; timing
• توليد التوافق الثالث 355 نانومتر لليزر النديميوم-ياك باستخدام زيت الزيتون by Fadhil, Aqeel S.; Al-Dergazly, Anwaar A.; Al-Dahan, Ziad T. (2010) - The minimum threshold incident intensity to obtain THG intensity are equal Iω=7530 mW/cm2 at L=1mm and Iω= 6220 mW/cm2 at L=10mm. The signal of third harmonic generation has been detected using UV-340 Light Meter. Kewords: Olive oil, Third harmonic generation, THG intensity. Keywords: angle; http://www.nitropdf.com/; incident; intensity; power; thg
• المقارنه بين خوارزمية (اقل معدل تربيع) و خوارزمية (تكرار اقل تربيع) لازالة ضوضاء قدرة الخط ألتداخلي من اشارة تخطيط القلب by Muhsin, Noor K. (2010) - Keywords: Filters, adaptive filters, LMS algorithm, RLS algorithm, power line interference noise, ECG signals. Adaptive techniques is mainly used in filtering of 50Hz line frequency from ECG signals, enhancing P waves and improves the time duration of QRS wave. Keywords: adaptive; algorithm; ecg; error; filter; http://www.nitropdf.com/; input; lms; matrix; noise; output; rls; signal; vector
• تاثير اضافة معدن اللنثانيوم على خصائص سبيكة المغنسيوم - 4% المنيوم by Moosa, Ahmed A. (2011) - X-Ray Diffraction X-ray diffraction patterns of the Mg - 4Al – 1.5 La alloy is shown in Figure 5. Mg phase and Al11La3 phase. Keywords: alloy; cast; earth; grain; http://www.nitropdf.com/; magnesium; mg-4al; microstructure; phase; vol
• سلوك التأكل لسبيكة Ti-6Al-4V في اوساط مختلفة by Abdulmageed, Majid H.; Ibrahim, Slafa I. (2010) - Potentiodynamic polarization techniques were used for making electrochemical measurements on the alloys and couples in artificial saliva at 37oC. Corrosion potentials, corrosion rates and general corrosion behavior, including passivation range and breakdown potentials, were determined for all materials and couples. Corrosion parameters were interpreted in these media which involve corrosion potential( Ecorr) and corrosion current density (icorr), since the results of (Ecorr) indicate that Oxalate ions are more corrosive than other materials while the results of (icorr) indicate that NaCl is more corrosive than other materials. Keywords: alloy; corrosion; http://www.nitropdf.com/; nacl; oxalate; polarization; sodium; solution; ti-6al-4v
• دراسة تجريبية لمقارنة بين وقب البولي بروبلين والمواد المركبة للطرف السفلي البديل ( الصناعي). by Jweeg, Muhsin J.; Radhi, Samira K.; Neama, Haider F. (2007) - Prosthetic laminated sockets in Iraq are costly to be manufactured while polypropylene socket is relatively cheap in comparing with the laminates. Fig.5 shows the sizes for polypropylene and No.5 socket (12-layers of laminate). Keywords: bending; compression; http://www.nitropdf.com/; material; no.1; no.5; polypropylene; socket; stiffness; test
• انتقال الحرارة بالحمل الطبيعي الطباقي لموائع نيوتونية وغير نيوتونية في وسط مغلق مثلث الشكل by Muhadi, Ala′a Abbas (2007) - They also show that the average Nusselt number is a strong function of modified Rayleigh number, modified Prandtl number, non-dimensional parameter, and the boundary conditions. Ea 10 1)( The above correlations are acceptable in the range of modified Rayleigh number (102 to 105), modified Prandtl number (1 to 100), and non – dimensional parameter ( NE= 0 to 10 ). Keywords: era; http://www.nitropdf.com/; number;  ;  ;  ;  ;  ;  
• بناء مستوى واطئ الكلّفة لخوارزمية الانتشار العكسي by Hassan, Ammar A. (2007) - From this result, when applying this technique in NN algorithm design it can reduce number of LUTs on FPGA and so reduce the over all hardware resources capacity. For 30-bit flotation-point, RAM cost implementation in FPGA 30-bit input and 30- bit output, for each unit in NN algorithm. Keywords: algorithm; cell; cost; function; http://www.nitropdf.com/; layer
• تقليل مستوى الخطأ لبناء الشبكة العصبية by Zaghar, Dhafer r. (2007) - Example This example discus the effect of the reduction of the error in a single neuron from the hidden layer in a neural network that has 54 nodes in input layer (M=6), 30 nodes in hidden layer and 10 nodes in output layer and use 8-bit data bus (k=8) for all nodes. (6) The result of error in output in range from 210 -K ) to (M  with positive average equal to 2 1 1  -K ) Keywords: bit; error; http://www.nitropdf.com/; layer; output; software; stage; value

• دراسة محاكاة معامل انتقال الكتلة في العمود الفقاعي ثلاثي الأطوار باستخدام الشبكات العصبية الصناعية by Al-Naimi, Safa A.; Salih, Salih A.J.; Mohsin, Hayder A. (2017) - Keyword: slurry bubble column reactor, mass transfer coefficient, neural network 1. The decrease of mass transfer coefficient with increasing solid concentration is attributed to decrease of small bubble and increase large bubble size due to the bubble coalescence tendencies and they limited the mass transfer coefficient. Keywords: coefficient; conc; fig; gas; mass; transfer
• نمذجة معامل انتقال المادة (KLa) في المفاعل الحيوي ذي الاقراص المثقوبة الدوارة (RPBC) by Mohammed, Alaa Kareem (2015) - Alaa Kareem Mohammed Al-Khwarizmi Engineering Journal, Vol. 11, No. 4, P.P. 20- 27 (2015) 23 aKK eKeK Y Lp tK La taK p p pL − − = −− …(7) “The value of Kp can be evaluated from the probe response to a step change input by transferring the probe from a container of water saturated with dissolved oxygen (C��= C�� ∗ ) to a container of oxygen-free sulfite solution (C��=0) and noting the probe reading”[13]. The following dimensionless quantities were introduced: Y�� = � ∗ � � � ∗ � � � …(3) CC CC Y o p * p p * p p − − = …(4) Keywords: coefficient; diameter; discs; kla; mass; oxygen; transfer; value; wastewater; � �
• Mass-Transfer Characteristics of Air- Suction Type Fermentors by M., Alaa K. (2019) - The effect of impeller submergence on the value of mass transfer coefficient (KLa) is not much pronounced. The effect of submergence was studied in the range: S= 0.5D to S=2D. From Figure (5), it can be seen that the effect of impeller submergence on the value of mass transfer coefficient (KLa) is not much pronounced. Keywords: coefficient; effect; impeller; kla; liquid; mass; oxygen; submergence; transfer

• استخدام الخريط كماده مازه لازاله ايونات الرصاص والكادميوم من المحاليل المائيه by Al-Hassani, Maha H. (2013) - The effect of various parameters including the adsorbent dosage initial of metal ion concentration (single and binary) and contact time were studied onto Al-Khriet powder for removal lead and cadmium ion from aqueous solution. Keywords: Agricultural waste adsorbent, Biosorption, heavy metal ions, isotherm kinetic model. Keywords: adsorbent; adsorption; cadmium; cd+2; concentration; equilibrium; ions; khriet; lead; pb+2; removal; solution
• معامل الاعاقة للسوائل التي تتدفق في الوضع المضطرب خلال خطوط الانابيب by Hameed, Ali M.; Hamied, Ramzy S.; Shnain, Zainab Y. (2017) - Effect of Mucilage Concentration on DR Figure.13 represents the variation of %DR with increasing mucilage concentration. An experimental piping rig was used to study the DR properties of the mucilage on water under the effect of varying pipe dimensions and mucilage concentrations. Keywords: concentration; drag; effect; increases; mucilage; pipe; reduction
• استنبات الطحالب الدقيقة Chlorella vulgaris في مفاعل الرفع الهوائي الحيوي الضوئي لانتاج الكتلة الحيوية بأستخدام سماد NPK التجاري by Ammar, Saad Hanash (2017) - � ��(4�Hر وت9%�^ ا)<- ا�< وف ا���38(���: D'���h ا�)5ا�& ت� / �) �٦) ���� 1، ا� د12 � � ا���ارزم� ا��� ��� ا��� م � ��� ���ر ،2016( Keywords: air; biomass; chlorella; concentration; growth; microalgae; npk; nutrients; vulgaris; ا �; ت �; � ل; � �
• أستخلاص أيونات النحاس والزنك بأستخدام انظمة المحاليل المائية ثنائية الطور المتكونة من بولي اثلين كلايكول (3000) - ملح كلوريد البوتاسيوم by Ammar, Saad H.; Abdul-Nabi, Waqar Abdul-Wahid; Rasheed, Musaab Khadem (2011) - The results indicated that the percent extraction of metal ions increase with increasing of salt concentration and phase ratio, and slightly decrease with increasing of initial metal ion concentration. Phase Ratio Figure (6) shows the percent extraction of metal ions (Zn(II) and Cu(II)) with the volumetric phase ratio of PEG to KCl (0.5, 1, 1.5, and 2) at constant KCl salt concentration in stock solutions of 20% (w/w) and initial metal ion concentration of 0.5 ml of 1 gm/L. Fig.6. Keywords: concentration; extraction; ions; kcl; metal; peg; phase; salt
• تأثير الاضافات على سلوك المحامل by Yousif, Albert E. (2019) - It clear that SS increases with increasing solid particle concentration  .Graphite increases the stiffness per unit supply pressure SS more than MoS2 because of its higher density, 0.0 0.4 0.8 r 1 10 100 1000 10000 H S = 4 S = 2 S = 0 1 10 -10 r = 0.05  p 0.0 0.4 0.8 r 1 10 100 1000 H 1 graphite by weight       r = 0.05 S = 0  p 0.0 0.2 0.4 0.6 0.8 1.0 r 0 10 20 30 S s 1 capillary m=1; KQ=0.3 oriffice m=0.5; KQ=0.1 S = 0 r = 0.05 Ps = 60E6 Kp = 0.5  Albert E. Yousif Al-Khwarizmi Engineering Journal, Vol.4, No.4, PP 57-70 (2008) 67 hence causing an increase in the viscosity of the mixture. Fig.20. (7) represent the concentration of solid particle  effect on the pressure distribution without effect of the hole radius or . Keywords: concentration; effect; fig; particle; solid
• تحديد الظروف المثلى للوسط المنتج للبرودجيوسين من عزله محليه لبكتريا Serratia marcescens باستخدام الطريقه التقليديه و الاحصائيه by Mohammed, Sura Jasem; Kadhum, Khalid Jaber; Hameed, Khalid waleed (2018) - The best concentration ratio of carbon to nitrogen sources that maximize prodigiosin production was studied using different ratios of (C/N) (9/1, 8/2, 7/3, 6/4, 1/1, 4/6, 3/7, 2/8, 1/9). 2.5 Growth kinetics Study of Serratia Marcescens The behavior of Serratia marcescens in ‘terms of growth and substrate consumption with time as well as prodigiosin production in the optimized and un-optimized medium was studied. Keywords: concentration; growth; marcescens; maximum; medium; optimization; prodigiosin; prodigiosin production; production; response; sources; � �

• تصميم و بناء دائرة معالج دقيق للسيطرة على منظومة التجفيف الضؤي للأسنان by hamed, Ali hussein (2017) - It uses an unsupervised adaptive neural network with GHA algorithm to extract the principal components that in turn, are used by Capon method to estimate the DOA, where by the PCA neural network we take signal subspace only and use it in Capon (i.e. we will ignore the noise subspace, and take the signal subspace only). Suboptimal methods are more prevalent than the ML technique when the signal_to_noise ratio and number of samples are both not too small, because the suboptimal methods involve solving only a one-dimensional maximization problem and subspace (signal subspace or noise subspace). Keywords: capon; khwarizmi; network; neural; pca; signal; subspace

• نمذجة قوة القطع ونسبة سمك النحاتة باستخدام الشبكات العصبية اثناء خراطة سبيكة الألمنيوم 7075-T6 by H. AL-Khafaji, Mohanned Mohammed (2018) - [5] for ��, ��, ��, and ���, respectively. The first three networks’ responses are cutting force ��, passive force �� and feed force ��, respectively. Keywords: chip; cutting; experimental; feed; force; function; layer; machining; network; ratio; thickness; vol; � �
• تصميم نظام شبكة آمن ضد ديدان الانترنيت by Abdu-Aljabar, Rana Dhia'a (2012) - Rana Dhia'a Abdu-Aljabar Al-Khwarizmi Engineering Journal, Vol. 8, No.3, PP40 -52 (2012) 47 Imperfect suspicious flow classification or worm sample clustering can produce noise in worm samples which must be eliminated to derive accurate worm signatures. The remaining sequences are recognized as worm samples. Keywords: address; algorithm; base; connection; detection; generation; intrusion; network; noise; samples; sequences; signature; sre; vol; worm
• حل معكوس المعادلة الكينماتيكية لرجل آلي ذي أذرع مرنة باستخدام الشبكات العصبية by Al-Khafaji, Hussein M.; Jweeg, Muhsin J. (2017) - � ا!)P-!ا ��5Y!ا m�5E; $%C �&,�0C�F f,5nا ����;� %���o ا! T2C21�' � A221�' E2' 2( …(19) T2C21� � �T�� T�! Keywords: c �; cα �; d �; kinematic; network; neural; robot; s �; t �; � $; � cd; � cos; � sd; � sin; � sα; � δx; � δy; � �
• تحسين عمر الشبكة في شبكة الاستشعار اللاسلكية لتطبيقات انترنيت الاشياء by Salman, Ahmed A.; Alisa, Zainab T. (2019) - The dissipated energy to receive a K-bit packet is E|8��� � � Ebrb� …(14) The likely spent energy of non-CH node could be demonstrated after steady-state phase via: E�v����}~� �v�u3�b] (R, cFv��) = Dt���b* ( E p� (R, cFv ��)) …(17) Keywords: cluster; energy; fig; fuzzy; head; leach; mobility; network; node; number; protocol; sensor; wireless; � r; � �
• High Transaction Rates Performance Evaluation for Secure E-government Based on Private Blockchain Scheme by Kadhm, Osama Ibraheem; Hamad, Ali Hussein (2023) - This paper assesses the performance of fabric blockchain by evaluating transaction latency, parallel throughput, and scalability under varying blockchain sizes, batch timeouts, clients, and organizations with a transaction rate of 200 tps. Also, many tests show that increased block timeout for high sending rates positively affects the throughput and latency. Keywords: e-government, private blockchain, fabric, hyperledger caliper, performance analysis. Keywords: block; blockchain; clients; fabric; hyperledger; latency; network; organizations; performance; seconds; size; throughput; timeout; tps; transactions
• تمييز الوجه البشري باستخدام تحويل المويجة by Zeyad, Dr. Tarik (2017) - The WSOM is a feed forward network that estimates optimized wavelet based for the discrete wavelet transform (DWT) on the basis of the distribution of the input data, where wavelet basis transforms are used as activation function. Wavelet Neural Networks A wavelet neural network (WNN) shown in figure (3), is a network layer with two layers whose output nodes form a linear combination of wavelet basis functions that are calculated in the hidden layer of the network. Keywords: face; input; layer; network; neural; recognition; som; transform; wavelet

• حل الكينماتيكا العكسية للروبوت المتعدد المناور باستخدام دمج لـ GA وNN by Khaleel, Hind Z. (2018) - The coordinates and the desired orientation of the end- effecter are expressed as: x� � 0: 2π , y� � sinx� …(5) In this paper the outputs results is evaluated of best three joints angles �TH�, TH�, TH�� in radians of the sinwave and the circular trajectory for the redundant three link robot as shown in the following Table 3 and Table 4: Hind Z. Khaleel Al-Khwarizmi Engineering Journal, Vol. 14, No. 1, P.P. 136- 144 (2018) 140 Table 3. Keywords: algorithm; end; kinematics; link; robot; trajectory; y �; � �
• تجنب العوائق للروبوت النقال باستخدام مجال القوى الاصطناعي المعزز by Mohamed, Mohamed Jasim; Abbas, Mustaffa Waad (2017) - The methods to plan a path for mobile robot can be classified into two types: global path planning techniques and local path planning techniques or obstacles avoidance techniques. Introduction The existence of robots in various types became very significant in the industrial sector and especially in the service sector. Keywords: algorithm; collision; field; force; mohamed; point; robot; sensors; target
• تصميم وحدة سيطرة حركية عصبية لتتبع مسار الروبوتات المتنقلة بعجلات على أساس المحسن الهجين بين خوارزمية اليرعات المضيئة وخوارزمية خلية النحل by Abbas, Nizar Hadi; saleh, Basma Jumia (2017) - 45- 60( 60 )-��2 و/�ة ��1*ة /*.�� �-��� �''�, +�ر ا�*و%�)�ت ا��'�&�� %��$ت �� أ��س 3� ا���+7 ا����7 %�7 �4ارز �� ا��*��ت ا���5�6 و�4ارز �� ���4 ا�� **%+�� ج��� ��8* ��ار ھ�دي ���س �� ا��������� **،*���/ ! ا�����اد'�&%� /$#�� ا���)� drnizaralmsaodi@gmail.com The kinematic illustrative of the wheeled mobile robot can be written in the model: F�� � �� � � ��� � �G=� cos ��� �� 0sin ��� �� 00 1� H $ΩI ... (20) Let ��E , �E�is the desired position of the wheeled mobile robot, and �E is the desired orientation of the wheeled mobile robot, so that the desired posture vector is �E = [�E, �E, �E] . Keywords: + �; algorithm; controller; cos �; j �; mobile; mobile robot; neural; robot; tracking; trajectory; ا �; − �; � +; � =; � e; � i^*u; � −; � �
• بناء مستوى واطئ الكلّفة لخوارزمية الانتشار العكسي by Hassan, Ammarx A. (2017) - From this result, when applying this technique in NN algorithm design it can reduce number of LUTs on FPGA and so reduce the over all hardware resources capacity. For 30-bit flotation-point, RAM cost implementation in FPGA 30-bit input and 30- bit output, for each unit in NN algorithm. Keywords: algorithm; cell; cost; function; layer; truncation
• تخطيط مسار الروبوتات المتنقلة على أساس خوارزمية النهم للبكتريا المحسنة by Abbas, Nizar Hadi; Ali, Farah Mahdi (2017) - Nizar Hadi Abbas Al-Khwarizmi Engineering Journal, Vol. 12, No. 4, P.P. 26- 35(2016) 35 �ت ��� ���ر� ��اا������� ��� أ��س ا��و����� رز��� ا��# ��! ���� ا� **-�ح �#+ي ��* *()ار ھ�دي �!�س =*>;' +:2اد /78)' ا/-123' / 456 ا/-123' ا/.-,+*()' * **، drnizaralmsaodi@gmail.com : ا/2D,E اB./C,و@?* farah95m@yahoo.com : ا/2D,E اB./C,و@?* * ا� /. If the cost function of the new position θ����that is, (θ����), is smaller than the (θ��), then another step size C i in the same previous direction will be taken. Keywords: algorithm; bacteria; fig; function; mobile; obstacles; optimization; path; planning; robot; step; � �
• التنبؤ بأفضل مسار للروبوت المتنقل باستخدام خوارزميات الاسراب الأمثليه by Ibraheem, Ibraheem Kasim; Ajeil, Fatin Hassan (2017) - after the ants complete their tour, the are updated according to ��� � ∆��� … (2) is the pheromones decay parameter in : is the amount of pheromones added by ant. … (3) … (4) is pheromones update constant, Fitness is the performance index needs to be minimized. � */,���-!! Keywords: aco; algorithm; ant; environment; experiment; optimization; path; robot; route; ا �; � �
• تصميم خوارزمية هجينة مدركة لتنغيم مسيطر لاخطي لتتابع مسار لعجلة الإنسان آلي متنقل by Al-Araji, Ahmed S.; Yousif, Noor Q. (2017) - 64- 73 (2017) 66 +��� = �.�$%&�'(����&�()����* � …(14) )1()(cos)]()([5.0)( −+∆+= kxtkkwlkwrrkx θ ...(15) )1()(sin)]()([5.0)( −+∆+= kytkkwlkwrrky θ ...(16) )1()]()([)( −+∆−= ktkwlkwr L r k θθ …(17) where � is total linear force; � is total angular torque; ������ is linear acceleration; ��� �� is angular acceleration; ���� is linear velocity; � �� is angular velocity; + is angular velocity of the left wheel; # is angular velocity of the right wheel; )(),(),( kkykx θ are the pose of the mobile robot at each step kth of the movement and t∆ is the sampling time. ���������� ���� � …(8) ��������� = ���� � …(9) ��� ����� = ����� � …(10) ������� = ��������� × ∆! Keywords: algorithm; bees; controller; fig; mobile; nonlinear; pso; robot; search; tracking; � �
• تخطيط المسار لذراع الروبوت باستخدام تقنية سرب الطيور المعدلة إعتماداً على خوارزمية D* by Sadiq, Ahmed T.; Raheem, Firas A. (2017) - cos �� = �� ��������� ����� = � … (1) Since, the sin �� is sin �� = √1 − ���� … (2) The two possible solutions for �� can be obtained by writing as: �� = tan��( √������ � ) ... − tan�� �� #$% &� ����� '(# &� … (4) Keywords: algorithm; arm; free; link; particle; path; planning; pso; robot; space; � �
• السيطرة على المسار المخطط لأنسان آلي متحرك by Abid Al- Sahib, Nabeel K.; Salih, Amenah A.H. (2011) - (a) Modified upper path (b) Modified lower path for small s for small s (c) Optimal path for large s Fig.3. The upper path (c) The lower path (d) Modified upper path (e) Intermediate Lower (f) Modified Lower Path Path Fig .2. Keywords: algorithm; case; environment; goal; image; mobile; oac; obstacles; path; point; robot; study; upper
• Autonomous Path Planning and Obstacle Avoidance of a Wheeled Mobile Robot via Grey Wolf Optimisation by Abdulla, Zahraa ; Hadi, Nabil (2025) - [6] H. Zhangfang, F. Chunyi, and L. Yuan, “Improved particle swarm optimization algorithm for mobile robot path planning,” Comput. Optimal path suggested by GWO (fixed obstacles) Keywords: abc; algorithm; grey; gwo; obstacles; path; planning; robot; vol; wolf

• Evaluation the Mechanical Properties of Kaolin Particulate Reinforced Epoxy Composites by Mohmmed, Jabbar Hussein (2018) - 4. Variation in fracture toughness of different particle sizes and weight fractions of kaolin The Gc and Kc improvement by the addition of kaolin particles can be due to the formation of small sized crystallites, i.e. spherulites, and the capacity to absorb much energy by the enlarge of portion of matrix. (6) show that the wear rate was less when reinforcing the epoxy resin with kaolin particles in the range of (0-40%). Keywords: composite; epoxy; journal; kaolin; particle; properties; toughness; vol
• السلوك التآكلي للمواد V2AlC و Cr2AlC بالمقارنة مع الفولاذ المقاوم للصدأ في هيدروكسيد الصوديوم عند اربع درجات حرارية by Anaee, Rana A.; Al-Ghaban, Ahmed M.; Faleh, Russul F. (2014) - Corrosion behavior of these materials was investigated by Potentiostat to estimate corrosion resistance and compared with the most resistant material represented by SS 316L. The experiments were carried out in 0.01N of NaOH solution at four temperatures in the range of 30–60 o C. Polarization resistance values which calculated by Stern-Geary equation indicated that the MAX phase materials more resistant than SS 316L. Also cyclic polarization tests confirmed the resistivity of MAX phase materials through disappears of hysteresis loop. Abstract This work involves the manufacturing of MAX phase materials include V2AlC and Cr2AlC using powder metallurgy as a new class of materials which characterized by regular crystals in lattice. Keywords: 316l; corrosion; cr2alc; materials; max; phase; polarization; properties; v2alc
• خواص الشد والانضغاط للأيبوكسي المدعم بالكاؤولين by Mohmmed, Jabbar Hussein (2015) - � ا� ����� jabbaraljanaby@yahoo.com �%&'ا,+ &و() ا�: ��1 ا� �&ة -) ا���8 ا�7#6& (5&ا ���4ى ا��ا�2 1 ا� 0'�/#ت -) '+ ��ا�!�B @/�%� را@�$#ت ا,%'�+�) ? ر ���ن ���د � � � )2015( 96- 101، ���� 3، ا���د����11 ا����ا� �ارز � ا����� 101 �ؤو������ . Keywords: epoxy; filler; kaolin; particle; properties; strength; � �
• المورفولوجيا والخواص الميكانيكية لخليط (الايبوكسي/ بولي كلوريد الفاينيل) by Hameed, Awham M.; Daway, Entihaa G.; Al Majed, Muaed F. Abd (2015) - 3، ا���د�11ا���ارز�� ا������ ا������ � أوھ م ���� ������� ،53 -47 )2015( 53 )+��� &��ر)� ا�� )��*/ ا()'�&%�(وا���اص ا��� #�� ����! ا����م ا�� +�ت - ا�&�() ا����'/ ! Keywords: < �; blends; epoxy; polymer; properties; pvc; ا �; � <; � ر; � �
• دراسة الخواص الفيزيائية والميكانيكية للفرايت النانوي المطعم by Chyad, Fadhil A.; Hamza, Mohammed S.; Dhary, Zainab I. (2017) - � ا ������ �$�� وا %�� درا � ا ��اص ا �د�� ���' ()�***ز �2 ا�01�ج (�ري ** �� � �.ب , %ة* * ��/ ا���اد ��� ھ����***،**،*������ �ا�$#! � ا �5 –ا���ل ( �اد ا�3)ا*2 ا��#&�*� 01)*/� .-)ت ��)*# ذو .$� .+�+% �7 درا�� 7>;�) ا:#�9 وذا7�� ا(. ) Keywords: ferrite; fracture; lithium; micro; properties; strength; vol; y2o3; � �
• دراسة تأثير مواد التدعيم على خواص التخميد لمادة متراكبة ذات أساس بوليمري by Abed Al-Razaq, Ibtihal; Shamukh, Mustafa Ziyara (2017) - ا� � mustafaziara@outlook.com: ا/��&+و�-,+*� ا�** � 4� ا� �ص طر�� �� ��دام ��را�� ��واد ا�����د ����ص ا���ث درا ھذا �م ���� �ب �ا� و��ر��� ا���� � � ا���را�� ا��واد �م اداد .ا�����د ���� � ط�ت اداد �(��ت ا'و�& ا��ر� . [20] Sri Tudjono, Purwanto, Kartika Trisna Apsari, Study the effect of adding nano fly ash and nano lime to compressive strength of mortar, Published by Elsevier Science, Diponegoro University, Semarang, Vol. 95, pp. 426 – 432, 2014. د12 ��� ا���ارز�� ا��� ��� ا����� د���� قاز��ا � ل����ا� 2016)( 52-60، ��� 3، ا� 60 ���دة ���ا& � ذات أ��س ������ي��� درا�� .-,�� ��اد ا�� ��+ ��* (�اص ا�� **�23�* ز�1رة ��0/ *ا����ل � ا��زاق ����د �� ا����������* *،*� ا�(�)'� ا�&��%�%$�� /#! Keywords: blend; composites; damping; epoxy; fibers; glass; matrix; particles; polysulfide; properties; ratio; ا �; � د; � �
• الخواص الميكانيكية لوصلات لحام القوس الكهربائي (MIG) من سبائك الالمنيوم غير المتشابهة (2024 T351, 6061-T651) by Nasser, Nawres Jabar (2017) - اظ�!ت ا����*f ا��T3ض \� ا��3اص ا�)�������- �.����ت ا�).��6- ��8ر�- � ��]8- ا��+j �.����ت ا�� ا��)�/.- �i ا�h��$1 ا+�س \ VLTا� id�� 6!ارةوان���� ا�)�]8- ا�)��/!ة \ VLTت ا�).��6- \�8 ظ�! +.1.- �, ا���Dرب ا��6061-T6 �8�� -��8 ، T3٢٠٢٤-ھ)� ���د��6�TQ, �, ا�1$�*( ا&Jه �. Keywords: alloys; metal; properties; specimens; test; welding; ا �; د �; ر �; وا �; � ت; � م; � �
• تحليل الخواص الميكانيكية للمواد المركبة عند تغيير عوامل مختلفة by Mohammed, Farag M. (2017) - ج ��� ���� ���� ��� 1، ا ��د�13��� ا ��ارز�� ا ������ ا� ،83-74 )2017( 83 ��� �� � ���اد ا ��!�#!�� ��ا�� ��&���%���� ا ��اص ا ��'% ج ��� ���� ا*6%&5! ا: ��(� ا ص 3اا*Lا4W<-ت . Keywords: combination; composite; cost; density; fiber; filler; fraction; parameters; properties; taguchi; volume; weight; � �
• الخصائص الفيزيائية والحرارية لحراريات مصنعة من صخور البوكسايت والبورسلينات العراقية by Merzah, Amel S. (2017) - Table (3) shows the mixing ratios in weight percentages of starting materials to prepare Bauxite based refractory, using the largest percentages of Bauxite in order to get the glassy phase or liquid phase and increase the shrinkage and density after sintering the samples, these results were appeared from table (5), which shows the physical and thermal properties for the bauxite based prepared refractory, the denser compound is the alumina as seem in sample number 1 which has the greater density 2.16 gm/cm3, while sample number 3 has the lowest. Mixing ratios in weight percentages of starting materials to prepare Bauxite based refractory. Keywords: alumina; bauxite; density; materials; porcelanite; properties; refractory; rocks; sample; table; thermal; � �
• تاتير حبيبات المادة النانوية المقواة (Al2O3) على عمر ومقاومة الكلال لمركب ذي الاساس المعدني by Alalkawi, Hussain J. M; Hamdany, Aseel A.; Alasadi, Abbas Ahmed (2017) - The value of the load (P) is measured by Newton (N), applied to the specimen for a known value of stress (σ) measured by (N/mm2) and used from applying the relation below: ������ = 32 × 125.7 × ���� � × �� Where d (mm) is the minimum diameter of the specimen, and force arm is equal to 125.7mm, and [11]. These constants can be obtained by the equations � = � ∑ ��� ����� !��∑ �� ��� ∑ �� !�� # �$ # �$% # �$% � ∑ &�� !��' ( )∑ �� !�� # �$% * (# �$% ...(2) And +,-� = ∑ �� ���� ∑ �� !�� # �$% # �$% � …(3) Where h is the number of test specimens Applying the above equations to the experimental data in table (5), the Basquin equations with their correlation coefficient (R2) can be seen in table (6). Keywords: al2o3; alloy; fatigue; matrix; metal; nanocomposite; properties; strength; table; � �
• دراسة تاثير النسب الوزنية المختلفة للمادة النانوية في المركبات النانوية على المواصفات الميكانيكية by Mohammed, Al-Alkawi Hussain Jasim; Al- Rasiaq, Abthal Abd; Al- Jaafari, Mamoon A. A. (2019) - [16] V.Tsakiris, W. Kappel, Eenescu, G. alecu, F. albu, F.grigore, V. marinescu, M. Lungu Characterization of Al. matrix composites reinforced with alumina nanoparticles obtained by PM method Journal of optoelectronics and advanced materials, Vol.13, No.9, pp.1172-1175, 2011. )2018( 147-153، صفحة2د، العد14دجلة الخوارزمي الهندسية المجلم حسين جاسم محمد العلكاوي 153 دراسة تاثير النسب الوزنية المختلفة للمادة النانوية The chemical composition in wt. % is given in table (1) Table 1, Chemical Composition wt. % of 2024/ Keywords: al2o3; composites; hardness; matrix; properties; strength
• تحسين الخصائص الميكانيكية و الكلال لسبيكة المنيوم 7049 باستخدام تقنية المركبات النانوية by M., Alalkawi H. J.; Khenyab, Ali Yousuf K; Ali, Abduljabar H. (2019) - 4. Hardness (HB) result with different � �% of ZrO2. Experimental fatigue test under variable loading for base metal with 0wt% ZrO2 and Nano composite 4w �%ZrO2 was recorded in Table-7. Keywords: alloy; aluminum; composite; fatigue; matrix; metal; nano; properties; stress; zro2; � �
• تاثير العصف بالليزر على سلوك الكلال و الخواص الميكانيكية للمواد المتراكبة by Al-Khazraji, Ahmed N.; Mutasher, Ammar A. (2019) - Volume fraction (%) SN curve of Polyester with 2.5% volume fraction Al powder when peening by laser energy 1J and 2J. Treated by 1 J Treated by 2J Volume fraction (%) Keywords: composite; fatigue; fraction; laser; materials; peening; properties; strength; volume
• الأكياس النسيجية كألياف تقوية مركبة مع اللواصق المتصلدة by Hussien, Mukheled A.; Abass, Falak O.; Abass, Raghad O. (2010) - Treated samples of sack fibers reinforced composites at their optimum weighted ratio showed better fiber-matrix interaction as observed from the experimental results leading to enhance and improve the mechanical (hardness, impact strength, and bending deflection) and thermal (thermal conductivity) properties when compared to the untreated sample. Treated samples of sack fibers reinforced composites at their optimum weighted ratio showed better fiber-matrix interaction as observed from the experimental results leading to enhance and improve the mechanical (hardness, impact strength, and bending deflection) and thermal (thermal conductivity) properties when compared to the untreated sample. Keywords: blend; composites; epoxy; fibers; impact; matrix; optimum; polyester; properties; ratios; sack; samples; standard; strength
• تقييم الجير المطفأ كمادة مالئة في الخلطات الاسفلتية by Hasan Al-Jumaily, Mohammed Abbas (2008) - Crushed pieces (One face) 96 ---------- SCRB At least 90% by weight of material Soundness, total weight loss percent 3 ASTM C88 SCRB Not more than 12 % Fine aggregate Sieve size (mm) 2.36 to 0.075 SCRB --------- Bulk specific gravity 2.676 ASTM C128 ------- -------- Soundness , total weight loss percent 4.6 ASTM C88 SCRB Not more than 12 % Table 4: Physical properties of mineral filler types Property Test method Result Hydrated lime Passing sieve No. 200, % --------------- 100 Specific gravity ASTM C128 2.785 Plasticity index AASHTO T90 1.5 Portland cement Passing sieve No. 200, % --------------- 96 Specific gravity ASTM C128 3.15 Surface area (m2/Kg) 357.82 Soft sandstone Specific gravity ASTM C128 2.653 Plasticity index AASHTO T90 3.2 Table 5: Selected gradation of aggregate Sieve size (mm) 19 12.5 9.5 4.75 2.36 0.30 0.075 % Passing 100 95 83 59 43 13 7 Table 6: The code for the six asphalt mixture types Asphalt mixture code Description D47HL Daurah 47 pen.asphalt with hydrated lime filler D47PC Daurah 47 pen.asphalt with Portland cement filler D47SS Daurah 47 pen.asphalt with soft sandstone filler D66HL Daurah 66 pen.asphalt with hydrated lime filler D66PC Daurah 66 pen.asphalt with Portland cement filler D66SS Daurah 66 pen.asphalt with soft sandstone filler Table 7 : Marshall properties of different asphalt mixture types at optimum asphalt content SCRB specifications Asphalt mixture type Property D66SS D66PC D66HL D47SS D47PC D47HL Min. 8 KN 9.5 8.6 10.7 12.9 11.3 14.4 Marshall stability (KN) 2-4 mm 3.4 3.7 3.1 3.2 3.6 2.8 Marshall flow(mm) 3-5 % 4.2 4.0 3.5 4.6 4.3 3.8 Voids in total mix (%) Min. 14 15.9 15.1 14.8 16.9 16.6 15.7 Voids in mineral aggregate (%) 65-85 % 73.6 73.5 76.4 72.8 74.1 75.8 Voids filled with asphalt (%) 4-6 % 5.48 4.7 5.20 5.03 4.9 5.36 Optimum asphalt content (%) Table 8: Chemical fractions and Gaestel index values of original and recovered asphalt cement types Asphalt cement Original D47 Original D66 Recovered asphalt cement types D47HL D47PC D47SS D66HL D66PC D66SS % A 20.03 18.31 26.29 23.77 22.61 23.24 21.48 20.07 % P.A. 35.42 37.08 22.45 33.65 22.92 20.19 38.56 36.41 % N.A. 24.20 25.37 31.80 22.61 34.44 38.35 21.59 24.83 % S 20.35 19.24 19.46 19.97 20.03 18.22 18.37 18.69 IG 0.68 0.60 0.84 0.78 0.74 0.71 0.66 0.63 Table 9: Material properties of pavement structure courses Material properties Surface Binder Base Subbase Subgrade Resilient modulus (psi) Variable 143000 66000 10000 5000 Poisson’s ratio 0.35 0.35 0.35 0.40 0.45 Thickness (cm) 5 8 15 25 infinity Permanent deformation properties Alpha (α) Variable 0.66 0.65 0.88 0.77 Gnu (µ) Variable 0.12 0.15 0.03 0.04 References 1. Recovered asphalt cement type Hydrated lime filler Portland cement filler Soft sandstone filler o C 60 70 80 90 100 D47 D66 Recovered asphalt cement type D uc ti li ty (c m ) Keywords: asphalt; asphalt cement; asphalt mixture; cement filler; effect; filler; filler portland; filler type; lime filler; mineral filler; mixes; mixture; properties; sandstone filler; stiffness; strength; test; types
• تأثير المعاملة القاعدية للمواد الطبيعية المعادة على خواص متراكبات راتنجات الايبوكسي by Kamal, Hamza M.; Kadhim, Mohammed J.; Mohammed, Raeid K. (2018) - [11] N. Chand and M. Fahim, Tribology of natural fiber polymer composites, Woodhead Publishing Series in Composites Science and Engineering, 2008. This behavior lead to poor resistant to the moisture and high water absorption which result in degradation in the mechanical properties of prepared composite and the interfacial bonding between natural jute fibers and polyester resin as shown in fig.11. Keywords: composite; epoxy; fibers; jute; materials; mechanical; properties; resin; strength; weight
• Effect of Grain and Calcinations Kaolin Additives on Some Mechanical and Physical properties on Low Density Polyethylene Composites by Shnean, Zanaib Y. (2019) - Calcinations kaolin filler produces better mechanical properties , than grain kaolin fillers. Kaolin calcinations filler produces better mechanical, and physical than grain kaolin fillers. Keywords: composite; filler; fraction; grain; kaolin; ldpe; material; properties; strength; tensile; test; weight
• دراسة تأثير تصميم عدة اللحام بالخلط الاحتكاكي نوع (Bobbin) على الخواص الميكانيكية لسبيكة المنيوم (6061-T6) by Amin, Samir Ali; Hanna, Mohannad Yousif; Mohamed, Alhamza Farooq (2018) - The bobbin friction stir welding tools were fabricated by conventional lathe and milling machines. [8] M. K. Sued, D. Pons, J. Lavroff, and E. H. Wong, “Design features for bobbin friction stir welding tools: Development of a conceptual model linking the underlying physics to the production process”, Materials and Design 54 (2014) pp. Keywords: alloy; bobbin; cylindrical; design; flats; friction; material; properties; stir; test; tool; vol; welding
• دراسة معالجة الفشل في العظام باستخدام مادة مركبة متعددة ذات اساس من البوليمر باستخدام نموذج حيواني by Kashan, Jenan S.; Hamdan, Wisam K.; Fakhri, Baha (2018) - Results for mechanical properties show very close values with that for natural bone which give great indication about proposed composite, as promising replacement for natural bone especially in case of victims of wore , care bombing,and old aged people in Iraq and other countries. 3. Results and Discussion 3.1 Mechanical Properties Measured mechanical properties for implants as comparison with that of natural bone are listed in table 1. Keywords: al2o3; bone; implants; journal; peek; properties; tio2; tissue; vol

• تخمين نسبة الاشارة الى الضوضاء متضمنة خطأ التكميم لمستقبل الليدار متعدد الأطوال الموجية by Abed, Zena A.; Hummady, Muna M. (2013) - β (λ, ) and is known as lidar ratio. [13], the signal to noise ratio (SNR) of the lidar signal resulting from the accumulation of n lidar returns is given by the equation: 1( ) = ∗( ) …(24) Signal to noise measurements show how well the desired signal can be distinguished from background noise. Keywords: instrument; laser; lidar; light; noise; ratio; signal
• دراسة تجريبية لخصائص أنبعاث الملوثات من وحدة توربين غازي مصغرة تعمل بوقود ثنائي بحقن الأيثانول في الهواء الداخل للضاغطة by J. Al-Saraf, Abdul Satar; Al-Jumaily, Suhad A. R. (2017) - Gas turbines use large amounts of petroleum-based fuel and cause significant air pollution; nevertheless, they play a very important role in minimizing greenhouse gas emissions as they typically burn lower carbon fuels compared to other types of combustion-based power generation and mechanical drive applications [1]. Particulate matter (PM) is also a primary pollutant for gas turbines using liquid fuels. Keywords: air; emission; eth; ethanol; fuel; gas; lpg; nox; power; ratio; turbine
• تحسين مقاومة القص للتربة الطينية الضعيفة باستخدام رقائق الاحزمة الممزقة by Mekkiyah, Haider Mohammed (2017) - ) Dilation Ratio, (dy/dx) 80% WC+ Soft Clay +30% RS 5 kg 10 kg 15 kgDisturbed dilation ratio Path due to water content (inverted S-Shape) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 0.05 0.1 0.15 0.2 S h e a r ra ti o , ττ -0.9 -0.7 -0.5 -0.3 -0.1 0 5 10 15 20 V e rt ic a l S tr a in , εε εε v (% ) Horizontal Strain, εεεεh (%) Soft Clay only 5 kg 10 kg 15 kg -0.9 -0.7 -0.5 -0.3 -0.1 0 5 10 15 20 V e rt ic a l S tr a in , εε εε v (% ) Horizontal Strain, εεεεh (%) Soft Clay +10% RS 5 kg 10 kg 15 kg -0.9 -0.7 -0.5 -0.3 -0.1 0 5 10 15 20 V e rt ic a l S tr a in , εε εε v (% ) Horizontal Strain, εεεεh (%) 40% WC+Soft Clay +30% RS 5 kg 10 kg 15 kg -0.9 -0.7 -0.5 -0.3 -0.1 0 5 10 15 20 V e rt ic a l S tr a in , εε εε v (% ) Horizontal Strain, εεεεh (%) Soft Clay +50% RS 5 kg 10 kg 15 kg Haider Mohammed Mekkiyah Al-Khwarizmi Engineering Journal, Vol. 12, No. 1, P.P. 117- 129 (2016) 123 Fig. Keywords: clay; content; mixture; ratio; shear; soil; strain; strength; stress
• تحسين اداء محطة جنوب بغداد الحرارية by Mashi, Hussein Wheeb (2017) - Photos (1-1) taken from the control center for first group gas unit (1) showing its operating conditions, and .Table (2) presents readings of gas turbines units. Suppose the steam is passed through the (HRSG) and this (HRSG) passes the combustion products emerging from first group gas turbine unit (1). Keywords: compression; efficiency; fuel; gas; load; power; ratio; steam; turbine; unit
• دراسة مقارنة لمواصفات أداء وملوثات محرك اشتعال بالشرارة ومحرك إشتعال بالانضغاط ذي شحنة متجانسة (HCCI) by Ali, Nahedh Mahmood (2017) - ��� 4، ا���د����12 ا���ارز � ا������� ا���� �ھ ���د ���� ،110-102 )2016( 110 ��ت أداء و �� �ت ��ر � درا�� � ل '�0 /. ا���)� �= ا�(�?<�= أن �8:�� ا'�4�ل ا'$-,�ط# ���72 � @��A إذ �= ا��Fام ���4 ��ح '�/ ��Aا'?&اق ذا HA2�@ $�اAاء، و�Kا����د وا� =� LMF� L��N O�:F/ ��$����ر ھRا ��A �Q اP. Keywords: air; combustion; compression; engine; equivalence; fig; fuel; hcci; ignition; injection; ratio; vol; � �
• دراسة تاثير اضافة المواد الطبيعية (نوى التمر وقشور البرتقال) والصناعية (الكاربون والسليكا) على الخواص الميكانيكية والحرارية للمواد المركبة البولمرية by Dahad, Haydar Abed; Hasan, Sameh Fareed; Alwan, Ali Hussein (2018) - The purpose of the present work was to study the effect of adding natural material (Orange peels and Date seeds) with particle size 98 μm to polyester resin on the mechanical and thermal properties compared with composite material made from industrial material (carbon and silica) with particle size 98 μm and polyester because the natural materials are cheap and not harmful to the people. Thermal Conductivity coefficient results for natural composite material for different weight ratio. Keywords: composite; conductivity; date; material; maximum; orange; polyester; ratio; seeds; weight
• التأكل والتصرف الغلفاني لمزدوجات النحاس،الحديد والزنك في محلول كلوريد الصوديوم بتركيز(wt 3.5 %) by Ali, Jamal M.; Abbas, Qasim M. (2009) - Keywords: Corrosion behavior in copper, galvanic corrosion 1. Introduction Galvanic corrosion is the corrosion that results when two dissimilar metals with different potentials are placed in electrical contact in an electrolyte. The larger the potential difference, the greater the probability of galvanic corrosion. Keywords: area; corrosion; couple; current; density; galvanic; metal; potential; ratio
• تأثير الشحنة المطبقة ونسبة الوقود / الهواء على كفاءة دورة محرك الاحتراق الداخلي ( ICADE ) by Abed Dhahad, Hayder Abed (2011) - Otto cycle efficiency is given by the equation Keywords: I.C. engine cycle, isolated combustion, diluted expansion, cycle efficiency. Keywords: air; combustion; compression; cycle; efficiency; engine; icade; otto; ratio; volume

• التكهن بكفاءة الخلية الشمسية وتقييم ادائها في الظروف الجوية لمدينة بغداد by Sulaymon, Abbas Hamid; Hahsim, Emad Talib; Mahdi, Shaymaa Alaulddin (2013) - In order to find a functional relationship between solar cell efficiency with the corresponding solar cell parameters ; solar irradiance G ,maximum power Pmax and production date P, non-linear regression analysis have been used to available experimental data of solar cell as shown in Tables 3 to 6 . This increase was accompanied by a revitalization of researches considered for the optimization of the energy given by solar cells. Keywords: cell; efficiency; maximum; panel; pmax; power; vol
• دراسة نظرية لامكانية زيادة القدرة الكهربائية المنتجة من المحطات البخارية في العراق by حاتم, فلاح فاخر; حسن, د.مؤيد رزوقي (2017) - 7-Ilen, E. T., Pejenken, C. P., 2001, Expansion the range of changing electric power of turbo-generator type T-110-130 during its operating by the heat load, Vectnek,No.1 P. 50- 55 (in Russian). (3): The heat cycle of Nasria power plant LPS 321 BOILER HPS IPS 2226 / 2/ العدد 2 مجلة الخوارزمي الهندسية ,المجلد / حاتم فالح فاخر 30 A theoretical study for increasing production of electric power from Iraqi steam power plants. Keywords: heaters; power; russian; العدد; المجلد; المرجل; الممى; الهندسية; حاتم; فاخر; فالح; فممي; فمي; كهرباء; مجلة; مسخنات
• تصميم مولد طاقة شمسية يستخدم تقنية MPPT للسيطرة على محول (تيارمستمر- تيارمستمر) ذي مدخل مفرد/ مخرج متعدد by Abdul Raheem, Abdul Kareem Kasim (2019) - [12]: � = ��� − � − ��� …(1) here: � : Diode current (A); ���: Current through the shunt resistance (A) ��� = ���� + ���� − ���� � ���� …(2) here: ���:Short circuit current; ��: Temperature coefficient of short-circuit current (A/K) at 25 °C and 1000�/��; �: Cell operating temperature (K); ��: Cell‘s reference temperature (298K); �: Solar irradiance (�/��); ��: Reference solar radiation (1000�/��). The equivalent electric circuit consists of a photocurrent source(���), a diode (�), a parallel resistor (���) and a series resistor (��) Keywords: buck; cell; converter; current; journal; maximum; output; power; simulink; voltage; � �
• Creating a LabVIEW Sub VI for the INA219 sensor for detecting extremely low-level electrical quantities by B. Khudhair, Abdulrahman; Hussein, Furat I.; Obeidi, Muhannad Ahmed (2023) - �� 3، ا� 97 , Adafruit INA219�*+ ��LabVIEW ��(� ا������� )� ا� Sub VI و ة إ$�#ء ا�1 �#ت ا����1#��0 ��� �� ا� +,�ى ��.#-� ,�+*� *���� ���� � ا���� **��+ )�ات ا��اھ�4 ي��� ا� أ���*** اد *،**�� ا���ارز��/ ����� ا������ /� ا�$���#و �� اد/ ا��اق)'& ھ��� / ا�$��� ��� وا�,.��- /��2 أ��0ث ا�,.��- ا�$,+ م***� ا������/ 3��4 د� � ����/ 3� إ4�� ا /د� abd.basheer2102m@kecbu.uobaghdad.edu.iq*ا�84 ا�7�,و �: The last address 05 HEX register is a calibration register that is set accordance to the data sheet's equations and the work requirements as [15]: Current � � � 2�� … �1� where IM is the maximum expected current which equals to 0.4 A. By substituting IM in Equation (1) and rounding to the nearest: Current � � �.� ��,��� � 0.00001221 � 0.0001 Keywords: + �; current; ina219; l �; power; sensor; voltage; ا �; وا �; � +; � f; � h; � labview; � ر; � �
• تعزيز أداء التوربين الريحي عمودي محور الادارة باستخدام منظومة معبر هواء تقاربي by Jadallah, Abdullateef A.; Farag, Sahar R.; Hamdi, Jinan D. (2018) - The density is constant because the flow is incompressible so the velocity at each section may be calculated as: �= �� �� … �5 The pressure at point 2,,…n are then found using a first order finite difference approximation to eq.(2).using �� �� = �����$% &� …(6) �� �� = '� �'�$% &� …(7) Boundary condition for convergent duct wind turbine summarized in table (2). Keywords: convergent; duct; fig; inlet; power; turbine; velocity; wind; � �

• تأثير نوع حصيرة الا لياف الزجاجية على سلوك الكلال للمواد المتراكبة عند نسبة حجميه ثابتة للالياف الزجاجية by Al-Alkawi, Hussain J.; Al-Fattal, Dhafir S.; Ali, Abdul-Jabar H. (2012) - Z. Hashin and A. Rotem [3] studied the influence of off-axis loading on fatigue strength of fiber glass – epoxy unidirectional composite; fatigue curves are shown for off-axis angles of 0, 5, 10, 30 and 60 degrees. The S-N curves showed fatigue strength at 106 cycles, of about, 117MPa, 17MPa and 12MPa at 0, 45 and 90 degree orientation respectively. Keywords: csm; fatigue; fiber; glass; laminate; strength; table; tensile
• دراسة تقييم ما بين البولي استر المقوى بالياف الزجاج والبولي استر المقوى بالياف الكفلر بواسطة طريقة تاكوجي by M., Osama Sultan; A., Majid Hmeed; K., Ishraq Abdul Razaq (2012) - The S/N ratio for each level of process parameters is computed based on the S/N analysis. The optimum level of process parameters to obtain good tensile and impact strengths for the composites prepared by the hand lay-up method are 12% volume fraction of fibers, 60ºC curing temperature, and 150 gm pressing load for tensile strength and 200 gm for impact strength for the glass fiber reinforced polyester. Keywords: composites; fiber; impact; level; method; parameters; strength; table; taguchi; tensile
• تحسين مقاومة الانضغاط للملاط باستخدام توزيع مختلف من الياف الزجاج ومستحلب الستايرين بيوتادايين by Hamza, Mustafa M.; Fahad, Besma M. (2017) - Effect of layers glass fibers addition with SBR after curing for 7 and 28 days. Effect of layers glass fibers addition with SBR to mortar after curing for 7 and 28 days. Keywords: addition; days; density; fibers; glass; glass fibers; layers; mortar; sbr; strength; � �
• Study the Effect Different Radioactive Dose on Mechanical Properties of Composite Material from Novolak Resin Exposure to High – Energy Radiation by Abbas, Rula Abdul Khider; Sahib, Muzher Ali; Hamza, Muhammad Slab (2009) - ٚرٌه ثئراثخ خ١ٍؾ (HMTA Novolak-) ٚصٔبً ِٓ اٌّبدح (%10)رٚ ٔغجخ فٟ وؾٛي ِؤشش ِم١بط االٔؾشاف ٠ّىٓ لشاءح اٌؾبطً ٌٍؼ١ٕخ راد األثؼبد (Deflection)ِمذاس االٔؾشاف .اٌّؼٍِٛخ -(:strength Flexural) عٙبص ل١بط ِزبٔخ اٌضٕٟ 2- رُ أعشاء االخزجبس اٌضالصٟ إٌمبؽ ثبعزخذاَ اٌّىجظ ٚرٌه (No.36110 Marris Bold Ley)ا١ٌٙذس١ٌٚىٟ ِٓ ٔٛع ثزغ١ٍؾ اٌؾًّ رذس٠غ١بً ثبٌشأط اٌّذثت ػٕذ ِٕزظف اٌؼ١ٕخ اٌّضجزخ ِٓ ؽشف١ٙب ػٍٝ Keywords: kgy; strength; vol; أشؼخ; إٌٝ; اإلشؼبػ١خ; االٔؾٕبء; اخزجبس; اٌخؼش; اٌزٟ; اٌضٕٟ; اٌظذِخ; اٌؼذد; اٌّبدح; اٌّجٍذ; اٌّزشاوجخ; اٌّؾؼشح; اٌّٛاد; ا١ٌّىب١ٔى١خ; ث١ٓ; دسعخ; راد; رمذس; سوال; ص٠بدح; ػثذ; ػٍٝ; ػٕذ; ؽشاسح; ٌٍّٕىرج; ِمبِٚخ; ٘زٖ
• Influence of Zirconia and Polymerized Microfiller on Some Properties of Polymethyl Methacrylate Denture Base by Subhi Rasan, Duaa ; Farhan, Firas Abdulameer (2024) - The selection of the ratio of the addition of ZP to PMMA resin was designated according to the pilot study. ZP powder had prepared and blended by weight with PMMA powder in two distinct amounts, 2% and 4% [1.2µm and 30%ZrO, 0.69µm and 70% p- Keywords: acrylic; denture; groups; journal; pmma; powder; resin; strength; transverse; wettability; zirconia
• دراسة الخصائص الميكانيكية لمادة قاعدة طقم الأسنان مصنعة من مواد متراكبة بوليمرية by Oleiwi, Jawad Kadhim; Hamad, Qahtan Adnan (2018) - The results of this study showed that the values of tensile modulus of elasticity, compressive strength and hardness properties increased with increasing the volume fraction of these particles in PMMA composite materials. Also, the addition of (nano-ZrO2) particles showed greater effect than that of (micro-lignin) particles in some properties of PMMA composite materials for prosthesis denture base materials specimens, while they have lower effect for the other properties. Keywords: base; composite; denture; lignin; materials; micro; nano; particles; pmma; strength; tensile; test; zro2

• تحسين الاستقرارية الثابتة للهكسابود روبوت باستخدام الخوارزمية الجينية by Raheem, Firas A.; Khaleel, Hind Z. (2015) - Radially Symmetric Six-Legged Robot,” Life Science Journal, 2013. )2015( 44- 59، 456' 4، ا2*د11*%$' ا0/ارز#- ا,+*()' ا&%$# ا!زاق �راس ��د 59 �ار�� ا������ ��������د رو��ت ������ام ا���ارز��� ا���������� ! The leg tip coordinates were transformed to coxa frame using the transformation matrix below: T��������� = 0R��������� $ −R��������� $4 ∗ d���������0 1 1 …5$ The angle θ) of the femur servo position can be derived directly from the triangle Figure 3 B. θ) = φ − φ� … 6$ The angle φ� is the angle between the x-axis and line a and can be calculated with the following function: Keywords: approach; fitness; gait; hexapod; hexapod robot; leg; legs; margins; robot; stability; y �; � w; � �
• تصميم وتنفيذ روبوت نوع سكارا ثلاثي درجات الحرية معتمدا مسيطر المنطق المبرمج by Karem, Iman Salih; A.Wahabt, Talal A. Jabbar; Yahyh, Mawadah Jlaa (2017) - ����������������� = ��� = ��� � � � � �� ��� =���� ��� ��� ����� ��� ��� ����� ��� ��� ��0 0 0 1 � = ��� −�� 0 0�� �� 0 00 0 1 ��0 0 0 1 �*��� −�� 0 ���� �� 1 00 0 0 00 0 0 1 �* �1 0 0 ��0 1 0 00 0 1 −��0 0 0 1 � = � ��� − ��� −���� − ���� 0 �������� + ���� −��� + ��� 0 ����0 0 1 ��0 0 0 1 � ∗ �1 0 0 ��0 1 0 00 0 1 −��0 0 0 1 � = ���� −��� 0 ����� + ������� ��� 0 ����� + ����0 0 1 −�� + ��0 0 0 1 � ���= ���,���=���,���= 0,���=−���,���=���,��� = 0,��� = 0,���= 0,��� =1 �� = ����� + ���� ...(3.1) �� = ����� + ���� ...(3.2) �� = �� − �� ...(3.3) θ2 = A tan2 (�1 − ��������������������� �� , �������������������� ) ...(3.4) θ1 = A tan2 (-p�, p�) ± (A tan2 (�p�� + p�� − (s�L�)�,s�L�) ...(3.5) �� = �� − �� ...(3.6) Keywords: l �; p �; robot; s �; scara; ̇ �; θ �; ⃗ �; − �; � ̇; � ⃗; � −; � �
• تطبيق خوارزمية A* لتخطيط المسار على تحليل C-SPACE المعدل by Raheem, Firas A.; Hussain, Asmaa A. (2018) - Therefore, to find the path from one side to other, the range of changing #� is chosen in somehow for unification the region of �����which make the path planning easier. The geometrical representation of the obstacle (s) can be denoted as �, so the configuration space obstacles will be as below [1]: ���� = { : �� ∩ � ≠ ∅} … �1 While C-free can be represented as below [1]: ����� = { : �� ∩ � = ∅} … �2 Where: ���� : C-space obstacles : Robot configuration �� : The set of points of the space confined by the robot at configuration The C-space as overall can be defined as [1]: ������ = ���� ∪ ����� … �3 The mathematical study of the surface properties, which are do not change if this surface has been applied for certain deformations, such as bending or stretching, is called topology of space. Keywords: fig; link; map; obstacle; path; point; robot; space; � �
• تقليل الخطاء في الذراع الألي (الروبوت) على أساس التصميم الأمثل ولنسبة جساءة الى وزن عالية by Ali, Ahmed Abdul Hussain (2008) - Minimizing error in robot arm based on design optimization for high stiffness to weight ratio. Key word: robot arm stiffness, flexible manipulator, robot structure analysis, flexible link robot. Keywords: arm; d d; deflection; robot; robot arm; tri; tube; tube section; weight; � �

• تقدير أداء شغل المبدل الحراري بواسطة اسلوب التبريد التبخيري by Mohammed, Imaad Sedeeq; Juaad, Salah Karem (2019) - ثٌضذش٠ذ ِٓ غ١ش صالِظ د١ٓ ٚ٘زٖ ثٌؼ١ٍّز صغّٝ ثٌّقغٛط انخبرَذ انخبخُرٌ ػهً مرحهخُن 1.3 ٘زٖ ثٌطش٠مز ِٓ ثٌضذش٠ذ ٟ٘ ٔضجػ دِؼ ثٌطش٠مض١ٓ ثٌغجدمض١ٓ ف١ظ ٠ضُ صذش٠ذ ثٌٙٛثء Keywords: air; ثٌشىً; ثٌضذش٠ذ; ثٌطجلز; ثٌغشػز; ثٌؼاللز; ثٌقشثسر; ثٌمٕٛثس; ثٌّجء; ثٌّذجدي; ثٌّشؽذز; ثٌٕشجسر; ثٌٙٛثء; ثٔضمجي; دسؽز; ص٠جدر; عشػز; عطٛؿ; ػٍٝ; ف١ظ; ٌٍٙٛثء; ٘زٖ

• مدى تأثير ظاهرة دوبلر على سرعة تدفق الدم by Khalid, Ghaidaa Abdulrahman (2012) - Keywords: Doppler frequency, blood flow, ultrasonic blood flow meter. Table (3) represents Values of Doppler shift frequency in Carotid artery for normal subject. Keywords: blood; blood flow; doppler; doppler angle; doppler frequency; frequency; shift; subject; velocity
• تحليل الطيف الترددي لإشارة تخطيط العضلات باستخدام دالة التطابق الذاتي by K. Sabir, Mohannad; K. Muhsin, Noor (2017) - [3] M.B.I. Raez, M.S. Hussain, and F. Mohd- Yasin, Techniques of EMG signal analysis: detection, processing, classification and applications, Faculty of Engineering, Multimedia University. This paper investigates the application of autocorrelation function (ACF) method to decompose EMG signals to their frequency components. Keywords: acf; autocorrelation; emg; fig; frequency; muscle; signal; window
• تحليل الاهتزاز الحر للصفائح المركبة ذات الدعامات المرنة ذات الحدود العامة تحت الحمل الحراري الأولي by Hammed, Mohammed B.; Majeed, Widad I. (2019) - = ⎩⎪⎪ ⎨ ⎪⎪⎧− ���V�7��RV����R�V�7�R�����R���V�7��R�V���R�����R��RV7 R�7�V���R��V�7R���R ⎭⎪⎪ ⎬ ⎪⎪⎫ …�2.30 The results in Eq. (2.17)- (2.20) results in: �� = �R7�fRlJl u l0� … �2.31 Where �R = ⎣⎢ ⎢⎢ ⎢⎢ ⎢⎢ ⎡1 + 8@V�J� 360L��7@V�J� 360L�� J3 J6 7@V�J� 360L�� 1 + 8@V�J� 360L��J6 J3 −@V�J3L��−@V�J3L��WV�L�� + 1J−1J −@V�J6−@V�J6−1J WV�L�� + 1J ⎦⎥ ⎥⎥ ⎥⎥ ⎥⎥ ⎤ … �2.32 And fRl = ¤�−1 @V�L�� �−1 l @V�L�� − sRl �−1 lsRl ¥ ] … �2.33 For a totally free beam, it must be reminded that a matrix Keywords: boundary; buckling; frequency; l �; load; plate; r �; wv �; � o; � �
• تشخيص اورام الثدي باستخدام ليزرالدايود by Dawood, Munqith S.; Mohammed, Ahmed Ali (2009) - Multiple scattering of light in breast tissue occurs as a consequence of spatial variations in refractive index, which are influenced by cellular and extracellular matrix density [6]. In this paper the breast optical properties of healthy and tumor tissues were used in a FDPM mathematical model of breast tissue for different wavelengths (674, 782, 803, 849, 894, 956 nm) and different thicknesses of breast tissue ranging from 0.5 cm to 7.5 cm of premenopausal and postmenopausal females. Keywords: absorption; amplitude; breast; frequency; laser; light; modulation; phase; photon; scattering; source; tissue; tumor; wavelength
• تصميم مرشح امرار نطاقي ذي شريحة دقيقة متولد من الترتيب الهندسي الجزئي المبني على اساس المرنان الحلقي المربع ثنائي النمط لمنظومات الاتصالات اللاسلكية by Ali, Jawad K. (2019) - Microstrip bandpass filters designs based on the 1 st and 2 nd iterations have shown size reductions of about 40% and 64% as compared with the conventional microstrip square ring bandpass filter designed at the same frequency and using the same substrate material. Abstract A novel fractal design scheme has been introduced in this paper to generate microstrip bandpass filter designs with miniaturized sizes for wireless applications. Keywords: bandpass; design; fig; filter; fractal; frequency; iteration; microstrip; mode; resonator; ring; square
• هوائي جديد ثنائي القطب مطبوع مبني على اساس الترتيب الهندسي الجزئي لتحويلات دالة الخيمة لتطبيقات الاتصالات اللاسلكية by Ali, Jawad K. (2019) - [18] K. J. Vinoy, K. A. Jose, V. K. Varadan, and V. V. Varadan, “Resonant frequency of Hilbert curve fractal antennas,” in Proc. For example, at n = 2, the total fractal curve length Sn, is given as: , for Hilbert fractal curve , for Peano fractal curve for tent fractal curve This means that, the tent fractal curve will offer the best dipole antenna miniaturization as compared with the other two. Keywords: antenna; curve; dimension; dipole; fractal; frequency; function; length; tent
• Design a radio receiver for solar activity observation in VLF band by Al Banna, Ahmed (2023) - HDSDR screen shows signal received in Lab. 0 500 1000 1500 2000 2500 References [1] Suryadi, M. Abdullah, H. Husain,”Development of VLF Receiver for Remote Sensing of Low Atmospheric Activities”, International Conference on Space and Communication, Port Dickson, Malaysia, 2009. Keywords: design; fig; frequency; receiver; response; shows; vin

• المستوى الافضل لحمولة الالتواء الحرج لهيكل رقيق الجدران دائري معرض للانحناء by Al-Khafaji, Hussein M. H. (2019) - Each value of critical buckling load in the fifth column of Table 3 is obtained from the calculating of average value for analyzing the finite elements model to three times for each parameters set and corresponding levels (raw in the table). In addition, the researchers in [13],[14],[15], [16] and [17], have used finite element to investigate stability behavior, optimization and design of unstiffened and stiffened circular thin walled structures. Keywords: analysis; buckling; circular; element; finite; load; parameters; structure; thin; vol
• نمذجة خواص الانحناء لصفائح الصلب المقاوم للصدأ 304 الملحومة بعملية لحام التنكستن مع الغاز الخامل by Alwan, Ali Hussein (2019) - The tensile strength and maximum bending force of the received base material are 622 MPa and 410 N, respectively. The final equation of maximum bending force in terms of the actual factors: Maximum bending force = - 6662.92284 + 110.59167 * Current + 243.54321* Pressure -7.87500 Keywords: current; design; force; gas; maximum; parameters; pressure; steel; tensile; tig; welding

• Impact of the Number of Reflecting Elements and Positioning of the Reconfigurable STAR-Passive-ORIS in MIMO FSO Systems by Natiq, Batool; Abdulameer, Lwaa; Dowlatshahi, Mohammad (2025) - θs is the phase shift added by the channel between laser source s and STAR RIS and ϕs ∈[0, 2𝜋). In [25], the authors examined the potential of IRSs to alleviate the LOS constraint of FSO systems. Keywords: channel; communication; elements; fso; ieee; irs; number; performance; ris; signal; star; systems; vol; wireless
• إزالة الضوضاء من الصور الملونة باستعمال تحويلة المويجة المستقرة ومرشح وينر المتكيّف by Alwan, Iman M.G. (2012) - we can find that the PSNR of the proposed method offers superior improvement over SWT based method and Wiener filter method at middle and high values of noise with smoothing edges of the image. [6] considered the adaptive wiener filtering of noisy images and image sequences. Keywords: filter; image; method; noise; signal; subband; swt; transform; wavelet; wiener
• ضغط صوت كفوء بإستعمال تردد أقل من نايكويست by Hashim, Ahmed A. (2012) - It is universal with a variety of sparse signals. Transform Coding and its Inefficiencies The fact that compressible signals are well approximated by K-sparse representations forms the foundation of transform coding [3, 6]. Keywords: matrix; reconstruction; sampling; sensing; signal; sparse; vector
• ضغط الكلام باستخدام تحويل الملتي سيكلرليت by Murtadha, Sulaiman; Ibrahim, Ali. K. (2012) - To obtain best performance in speech compression, wavelet transforms require filters that combine a number of desirable properties, such as orthogonality and symmetry. This paper discusses the effect of using DWT and MCT (one and two dimension) on speech compression. Keywords: compression; input; mct; samples; signal; speech; wavelet;  ;  
• آثار التفاعل المتبادل بين معاملات مصفوفة الهوائيات واستقبال إشارات النطاق الترددي by Mohammed, Bassim S.; Ahmed, Emad S.; Sateaa, Shahad D. (2017) - It is found that the amount of degradation in the output SINR is increased significantly with the increase of array interelement spacing, number of array elements and when the angle of arrival of received signals are closet to end fire. The power spectral density of received signal. Keywords: angle; array; bandwidth; increase; interference; output; signal
• تسجيل محاكاة مخطط القلب الكهربائي، مخطط اصوات القلب، مخطط التحجم لأستخراج الخصائص by Al-Qazzaz, Noor Kamal; Abdulazez, Israa F.; Ridha, Salma A. (2014) - A. Signal acquisition The ECG, carotid pulse, and PCG signals were recording from three channels with sampling frequency of 1000 Hz. The demarcation was performed by visual inspection to detect the time delays between these intervals in the three channels PCG, ECG and PPG signals and then compare between the normal and abnormal subjects with (systolic murmur due to aortic stenosis). Keywords: ecg; heart; pcg; ppg; pressure; signal; sounds; wave

• طاقة الصدمة لفولاذ 100Cr6 تحت سرع منخفضة مختلفة by Al-Alkawi, Hussain. J.; Al- Shamari, Khansaa D. (2008) - The crushing of thin tubes is a process by which the kinetic energy can be absorbed for example in vehicle cursh. The crushing of thin tubes is a process by which the kinetic energy can be absorbed for example in vehicle cursh. Keywords: crushing; energy; impact; load; results; test; tubes
• Mechanical PropertiesInvestigation of Unidirectional Woven Carbon Fiber Reinforced Epoxy Matrix Composite by Awla, Naznaz Jalal; Khdir, Younis Khalid (2023) - This is a point that can be noted which has a good effect for increasing the toughness of the sample by this small range of fiber glass layers. Due to these factors, woven fiber composites are often less expensive than other types of composites[4]. Keywords: carbon; composite; epoxy; fiber; glass; test; udwc

• تداخل تأثير الكلال التراكمي التآكلي مع القذف بالكريات لسبيكة المنيوم 1100-H12 by Alalkawi, H .J.M; Maajeed, Amer Hameed; Betti, Zainab Azeez (2015) - �� 1ا���د، ���11 ا���ارز�� ا������� ا������ ��� 72 �3H12-1100ا45 �123& ا��0ل ا�.&ا,�� ا�.-,�� �+ ا�*(ف '���&%�ت ��#��� ا�����م ا�����وي��� ***ز��6 **�7' 8%86 9�%& ���� ���� *��� �� ا����و������� *�� �&'�� &ا�%��$� ا�#��/ ! �#�%� �*$��+� ا�!GH��2 \dف ����2-�ت ) ٢-٦(@�اوح �� �2> ) Keywords: alloy; corrosion; fatigue; fatigue life; life; peening; shot; ا �; � 2-; � 4ل; � q&6rت; � �
• تأثير حامض الخليك على السلوك الكهروكيمياوي لأنودة وختم مسامات سبيكة المنيوم 2319 في محاليل حامض الفوسفوريك الأليكتروليتية by Rashid, Khalid H. (2015) - � ا� ����� Email: alhadidikhalid@yahoo.com �� ا �: �������3 ا>�����م ا� :6789 ھ4ا ا�3+2 �1 درا�� ا� .-�, �+�* ا�(%�) '%& �%�ك و�AA2319 6%=ام ا���ء ا���) �.? Vت ا>� �QPب ,�M دة�A.م ا�ا�ا���م وا��( � )��������� و1 .-, ?�ر�� ا�( � . Keywords: + �; acid; corrosion; phosphoric; sealing; ا �; � +; � g; � دة; � ر; � م; � �
• التأثير ألتآكلي للمحلول المكثف الصناعي المحتوي على خليط مكونات عضوية مختارة على سبائك الألمنيوم by Abdulmajeed, Majid H.; Ibrahim, Slafa I.; Sheet, Eiman Ali E. (2015) - � 43 رة ��� �� � ا��� �ي ��� ���� ���� ت ����� ��� ������ل ا��� � ا��# ا� '&�% أ� -, +* ا(�����م ***إ�� ن ��� إ0= ن ;�: ( ا#C(<, وا#C(<(ت ا#@!�دة ***،** Majed_hamed60@yahoo.com �IH%#0 اJوH@?#Kا : chemistsulsfa_59@yahoo.com �IH%#0 اJوH@?#Kا : eman_sheet@yahoo.co.uk �IH%#0 اJوH@?#Kا : ا��9< اdLL+& ,I3LLW6# ا#=LL+3ك أ#@3LL . Keywords: alloys; corrosion; mixture; presence; pure; solution; synthetic; � �
• تأثير أضافة المغنيسيوم على مقاومة االتآكل لسبيكة المينيوم – سيليكون 17% by Abbass, Muna Khethier; Hassan, Khairia Salman; Ameen, Kayser Aziz (2017) - Al- 17%Si(ا�&12 �0 درا�� ا��(�ك ا��!%و*����وي ��&��� ,� ھ+ا �,)3.5 wt% NaCl( ����ن ا�������م �(�&�4 �,�6�# �، وذ� �9) :�ا�>�4� �� �0 ا� ���ل ا���!% و.����ذ#��##�ا�?� ��ا�; ا�<; ا��&�4� =�1wt%, 2wt%, 3wt%, 4.5wt%, 9wt% ( %�<20 �0 1(و#��; 4�ا���!%ي %*�; �A29 ا�وا���!% ا��� %و�� ا����@ �&�)� . وPotentiostat ( G20(ا���!�د ا���*E* F #�ا�?� ا� ���ل �!�ز Cو�0 #12 ا�(�ب ا� &�ر ا��!� ا���*F و�0 �0��E ��0ر ا� E*I و=��ب � �و�� ا� E�� E*I ا����ذج ا��2>%ةJن ا����و. Keywords: addition; alloy; aluminum; corrosion; resistance; ا �; و �; وا �; � e; � ل; � �
• سلوك التآكل لسبيكة الالمنيوم – سيليكون ) (Al-9wt% Si المقواة مع الانابيب النانوية CNTs by Ismeal, Mustafa K.; Hassan, Kharia S.; Hussian, Hussian A. (2017) - For a single electrode Tafel equation specified as; � � � � ln � �� … (1) Where, � is the overpotential � is Tafle V plot i is the current density, A/m2 and i0 is the so-called exchange current density, A/m2. ا!+�-�, ا���+�*� Al-9wt% Si) (�� ��ن –� �ك ا�'&%� �$#�� ا!�����م CNTs �� ا������ �� �3*� � ��ن 1$2* �� **1�$2 � 1�$2 �*** *،** �� � ���/ ���اد -���� ا���� � ا����� ا���� ا�� � ا%$� ج وا�!� دن***��/ ()' ھ���� � � ا������ ا�� irq.com-mustafa@mtu: ا�-+,� ا%���+و$** ا��4�� � .* Keywords: alloy; coating; corrosion; d �; ا �; وا �; � +; � m7; � ر; � ل; � م; � ن; � �
• تأثير أيونات الكلوريد على سلوك التأكل لسبيكة المنيوم-زنك في محلول هيدروكسيد الصوديوم عند اربع درجات حرارية by Majed, Rana A.; Al-Kaisy, Hanaa A.; Al-Atrakchy, Hind B. (2008) - (3) show the effect addition of 0.01mol.dm -3 Cl¯ on the corrosion behavior, since addition Cl¯ with this concentration penetrates the passive layer but partially destroyed and shifts passive potential (Epass) to more negative values and corrosion current density to lower values. [13,14]: )3...( )(    corr corrcorr p i E di EEd R where Ecorr and icorr are the corrosion potential (V) and corrosion current density (A.cm -2 ). Keywords: alloy; chloride; corrosion; current; density; mol.dm; naoh; polarization; solution

• دراسة الخواص الديناميكية الحرارية والحركية لامتزاز الرصاص (II) من محلول مائي باستخدام البنتونايت والكاربون الفعال by Graimed, Bassim Hameed; Abd Ali, Ziad T. (2013) - Effect of Temperature The extent of lead ion adsorption on the bentonite and activated carbon at various temperatures is shown in Figures (6 and 7). Adsorption Experiments The batch experiments were performed by adding the desired amount (100 ml) of the dilute stock solution (800 mg/l) in 250 ml of volumetric flasks at the designated adsorbent dose, pH, and temperature. Keywords: adsorbent; adsorption; bentonite; carbon; lead; pb(ii; solution
• تصنيع متراكبات نانوية من Al2O3/Cr2O3 مدعمة بأنابيب الكاربون النانوية بأستخدام عملية الترسيب by Jaber, Hussein Alaa (2017) - 7 �#$ن ط�ر وا>� �@�5@�ل ا���ت ا�� )ا:/ ا��#&�ي = 3#����ة �!��� -+@�ر*� ����د ا(K! �3 �0#O�س ا�#�� ،�*(B$ز ا��(��ا�Keywords: al2o3; carbon; cr2o3; density; fig; fracture; mwcnts; nanocomposites; samples; wt%; ا �; � �

• أعداد برنامج ادارة للسيطرة على التعويضات الحاصلة في مشاريع البناء في العراق by Hadi, Inas Z. (2018) - This research presents the results of a study of the types, causes, and frequency of construction claims in the emirates of Dubai and Abu Dhabi in UAE using a data from 124 claims for a variety of projects in the two emirates. [4] Ho, S P and Liu, (2004),”Analytical model for analyzing construction claims and opportunistic bidding”. Keywords: causes; claims; construction; contractor; impacts; management; owner; project; table
• تحسين مقاومة الانبعاج للاعمدة الطويلة من الصلب المقاوم للصدأ AISI 303 المؤلمنة بطريقة الغمر الساخن (HDA) by Al-Khazraji, Ahmed Naïf; Al-Rabii, Samir Ali; Al-Khazalli, Hameed Shamkhi (2016) - [4, 13, 14, and 15] is adopted as follow: ��� = �� … �1� and ��� = � × ��� … (2) where: = 1 � + ��� − ������. �1& HDA( ا���ر���� ���5 ��24 ا���(�� **���2 (�� ا����42 *ا�����*** *،** �����������'&�� / %$# ا�! Keywords: buckling; columns; columns type; compression; load; specimens; steel; table; type; ا �; � 9;(; � z; � �
• نمو الصدوع وتصرفها خلال جدران الانابيب المعرضة لأحمال صدمية ومحيط حار ورطب by Khaled, Ali Jamal; Hussain, Ahmed Abdul (2018) - �����K�F�`�X.(�)P`�X(�)N 0���(���) √. F���(�)7 … (23) ���? �}��(�P�`�X(�)) 0���(���) √. F√� ���(�)7∗� … (22) �� = 1 + }. Keywords: crack; fig; growth; length; load; material; stress; table; � �
• معالجة المتبقي من مستخلص زيوت التزييت بالتكسير باستخدام عامل مساعد لإنتاج مقاطع خفيفة by Idan, Fatimah Kadhim I; Obyed, Saleem Mohammed (2019) - Toluene, 1,3-dimethylbenzene, and isobutyl benzene are the aromatic compounds that present in produced gasoline and those have high RON which is 111, 115, and 112 RON, respectively for each of them while isoparaffin compounds have high octane numbers (85-100) And so on, hydrotreated or paraffinic feedstocks yield higher gasoline as compared with non-hydrotreated or aromatic feeds. Keywords: boiling; cracking; extract; gasoline; oil; point; sample; table; vol; yield
• . by Musaid, Ruba ; Ghazwan, Aseel ; A. Al-Saadan , Waleed (2024) - 3. Results 3.1 Foot Characteristic The associations between these variables were looked at in terms of the effect of KOA on foot morphology, and the results are shown in Table 2. KOA foot group had significantly higher AI, CSI and ST than usual, as shown in Fig. The correlation between KOA foot parameters was calculated using Pearson's correlation coefficient. Keywords: age; angle; arch; csi; deformities; foot; groups; index; journal; knee; koa; midfoot; osteoarthritis; pain; sti; study; table; vol

• دراسة عملية ونظرية لعملية الاصطدام الحركي اللدن لمعدن CK45 by Ameen, Hani Aziz; Abd Alameer, Ahlam (2014) - �� 1، ا���د�11ا���ارز� ا������� ا������� � ھ�� ��� ا��� � ،2015( 84- 92( 92 ا���ن ����ن #� CK45درا�� ���� و�'#�� ������ ا& %�ام ا� **أ,+م *� ا&��# *ھ�� ��� أ��� � ھ���� ا���ا� *�� )'�اد - ا�&%#� ا�$��#�/ وا� �د � ھ���� **�� ا�0+, � ا�$&����/#� /ا�&.-و,#&+*#( haniazizameen@yahoo.com :ا�4-�3 ا�2&$-و*1 Ahlmabdalamir@yahoo.com :ا�4-�3 ا�2&$-و*1 ا��+ � � 1C ھBا ا�A4@ درا�� ?< ��و � ا/-اء ا��را�+ت ا� N%#� وا��O J%< �3-I+�� ا2*4 +ج ا�%�ن ا�N$��م *$#�0 ? Keywords: buckling; deformation; energy; impact; load; plastic; tube; � �

• دراسة تجريبية لأداء مُركِّز شمسي على شكل قطع مُكافئ مُركَّب by Abdul-Ghafour, Qussai Jihad; Hassan, Mohammed Aziz (2016) - �� 1، ا���د����12 ا���ارز�� ا� ����� ا�������� � �د � ا����ر ��2016( 15- 25، ( 25 �2 1-0 �/. For θc + π/2 ≤ θ ≤ 3π/4 – θc : (�) = �(��� � � �������� ! Keywords: 26o; acceptance; angle; cpc; cpcs; efficiency; fig; performance; � �

• تأثير الشد المسبق واتجاهية المعدن على سلوك ظاهرة الرجوعية في صفيحة النحاس الاصفر by Abed, Aseel Hamad; Zaboon, Anwar Hassan (2019) - 55- 63 (2019) 62 [4] S. K. Panthi, N. Ramakrishnan, M. Ahmed, S. S. Singh, and M. D. Goel, “Finite element analysis of sheet metal bending process to predict the springback,” Mater. Springback Measured The springback angle is the difference between sheet angle αf which formed after raising the load where the part tends to recover elastically after bending and its bend radius becomes larger when the tools are taken away the outer radius of the workpiece and punch angle αi or which called loading bending angle when punch / dies configuration in closed position, as shown in fig. Keywords: angle; bending; direction; effect; fig; metal; rolling; sheet; springback; tension; vol

• تأثير انحراف المحور على الخصائص الساكنة للمساند المقعدية ذاتية التزييت المشبعة بمائع ذو أجهاد مزدوج by Abd Al-shaheed, Lekaa' H. (2012) - Effect of journal misalignment on the static characteristics of porous journal bearings lubricated with couple stress fluid 1 Al-Khwarizmi Engineering Journal Al-Khwarizmi Engineering Journal, Vol. 8, No. 2, PP 42 - 53 (2012) Effect of Journal Misalignment on the Static Characteristics of Porous Journal Bearings Lubricated with Couple Stress Fluid Lekaa' H. Abd Al-shaheed Department of Mechanical Engineering /Babylon University Email: lekaa_hameed@yahoo.com (Received 25 April 2011; accepted 4 march 2012) Naduvinamani and Patil [15] used a numerical solution to the finite modified Reynolds' equation for couple stress squeeze film lubrication of porous journal bearing. Keywords: bearing; couple; film; journal; misalignment; oil; stress
• تأثير المقويات على تخلف القص في الأعتاب الصندوقية الحديدية by Al-Sherrawi, Mohannad H. M.; Fadhil, Ghaidak Ahmed (2012) - Zhibin Lin and Jian Zhao (2010) used an energy- based variation analysis to evaluate the AASHTO provisions for effective flange width. 2.1. Number of Stiffeners Maximum Top Flange Stress Effective Flange Width Beam Length Percentage Beam Length Percentage 0.1 L 0.2 L 0.3 L 0.4 L 0.5 L 0.1 L 0.2 L 0.3 L 0.4 L 0.5 L 4 797 1022 1220 1361 1411 72 115 126 129 130 8 784 1005 1202 1339 1389 73 113 125 129 130 15 781 999 1195 1335 1385 73 113 125 128 129 Table (4) shows the maximum top flange stresses and effective flange widths according to type of loading. Keywords: box; flange; lag; shear; stress; width
• الصفع الليزري لسبيكة الالمنيوم 7049 باستخدام الطلاء الاسود للسطوح by Alalkawi, H. J. M.; Sadkhan, Basim A.; Abed, Noor N. (2015) - =���2 ١٠٧ا�Fل ?�� ��ن ا&/,�� =�,�>ر �: اFSء =�/92 B+'8 8@��4 ا?+�ر ��1+�8<��� ا&/,�� =�,�>ر �: ا�&�7ام ا/92 ا�1%د �8&�7م � �و�� ا�Fل >��=&� و�&�H ة ا�'� ?�� در$� J ارة ا�G H و���2 ا$!�د . Keywords: bplp; fatigue; improvement; laser; life; peening; specimens; stress; ا �; � �
• التصميم الأمثل لتراكيب الصفائح المقواة المعرضة الى حمل ساكن by Al-Taee, Hatem H.; Al-Moosawy, Adil A.; Al-Shojary, Mohammed A. (2018) - Analysis of stiffened structures: The use of stiffened structural elements in most branches of structural engineering began in the nineteenth century with the application of steel flat or curved plates for hulls of ships and subsequently with the development of steel bridges and aircraft structures and other situations where the reduction of self-weight is an important design objective for satisfying the requirements of increased stiffness and reduced weight. The Morphing ESO was examined in this research to be applied on stiffened plate structures. Keywords: design; element; fig; index; maximum; number; optimization; plate; state; stress; structure; von; weight
• ميكانيكية انتشار الشقوق في التبليط المركب by Alkaissi, Zainab Ahmed; Al Khafagy, Duraid Ali (2009) - The input material properties for composite pavement layers are shown in Table(1). Analysis of cracked asphalt pavement has been studied using the ABAQUS finite element computer program and show that the mechanism of crack failure was tension. Keywords: asphalt; crack; element; factor; intensity; layer; pavement; stress

• التحليل النظري والعملي للمادة المركبة (البوليستر ودقائق كاربيد- السيلكون) لعتبة مثبتة by Yousif, Yousif K. (2012) - Keywords: composite beam, FEM, polyester, Silicon-Carbide. The equivalent rigidity of composite beams considering three different loading types was first derived based on equilibrium and curvature compatibility, for full composite sections, the effective section modulus and moment of inertia calculated with the AISC specifications are larger than that of present study. Keywords: beam; composite; deflection; element; experimental; fig; force; fraction; volume
• تحليل الأنبعاج للصفائح المركبة الأحادية الأتجاه ذات الأساس البوليمري by Uleiwi, Dr. Jawad Kadhim (2017) - Dept. / University of Technology (Received 14 November 2005; accepted 4 April 2006) Abstract:- This study deals with the estimation of critical load of unidirectional polymer matrix composite plates by using experimental and finite element techniques at different fiber angles and fiber volume fraction of the composite plate. 4.Finite element Analysis The finite element analysis carried out as part of this work was performed using the ANSYS package in the buckling analysis of composite plate to determine the critical load at which the structure becomes unstable. Keywords: composite; fiber; load;  ;  ;  
• Study the Effect of Carbon Fiber Volume Fraction and their Orientations on the Thermal Conductivity of the Polymer Composite Materials. by Hamza, Mohammed Sellab (2008) - C) K Thermal conductivity (W/m. C) Kc1 Thermal conductivity of the composite specimen in the parallel direction of the fibers (W/m. C) Kc2 Thermal conductivity of the composite specimen in the perpendicular direction of the fibers (W/m. C) Kf, Km Thermal conductivity of fibers and matrix (W/m. C) q Heat flux. This study showed that the values of the of thermal conductivity of the specimens when the fibers arranged in parallel direction was higher than that when the fibers arranged in the perpendicular direction The results indicated that the thermal conductivity increases with the increasing the fiber volume fraction. Keywords: composite; conductivity; direction; e t; fiber; fraction; volume

• ازالة عكورة المياه باستعمال المطاط كوسط ترشيح by Sulaymon, Abbas H.; Abdul-Ahad, Muna Yousif; Alwared, Abeer I. (2017) - The comparison drop for crumb rubber filter is lower than conventional sand about 42% reduction in pressure drop than sand filter and the conventional sand filter has a little enhancement in t design factors are the characteristics of the filter media including type of filter media, grain size and gradation, properties of wastewater solids to be filtered, and the rate of filtration. عباس ومنى وعبير Al-Khwarizmi Engineering Journal, Vol. 10, No. 2, P.P. Removal Water Turbidity by Crumb Rubber Media Abbas H. Sulaymon* Abeer I. Alwared *Department of Energy Engineering/ **,*** Department of Environmental Engineering *Email **Email: ***Email: (Received 9 December 2013; accepted 41 Abstract The removal of water turbidity by using crumb rubber filter was investigated .The present study was conducted to evaluate the effect of variation of influent water turbidity (10, 25 and 50 N rate (25, 45 and 65 l/hr) and bed depth (30 and 60 cm) on the performance of mono crumb rubber filter in response to the effluent filtered water turbidity and head loss development, and compare it with that of co Results revealed that 25 l/hr flow rate and 25 NTU influent turbidity were the best operating conditions. smaller media size and higher bed depth gave the best removal efficiency while higher media size lower head loss. Keywords: crumb; filter; media; removal; rubber; size; turbidity

• دراسة عملية لتأثير انبثاق الدوامات على كفاءة المجمع الشمسي by Kadim, Alaulddin Abdulqader (2014) - Keywords: Vortex shedding, solar collector efficiency, useful heat gain. Systems with light structures and low cost technology for process heat applications up to 400 ̊C could be obtained with parabolic through solar collectors (PTSC). Keywords: angle; attack; collector; efficiency; excitation; solar; trough; velocity; vibration; vortex; wind

• تطوير تصميم الطرف الاصطناعي باستخدام علبة تروس لتكرار آلية اليد البشرية by Jaber, Haneen Mahdi; -Sattar, Muhammed Abdul; Abd al-Sahib, Nabel Kadhim (2020) - ��,� ���) ي ����� *���� � � ** ا�3)�ر ,%� � *** 8%�7 �6ظ1 ,% ا�4��2 **،* /�� � � �� �� ا ��������� ا �����/ ��� ا ����� ا��� ���*** � ��! ��/ ا ����� ����/ ھ���� ا # ا��� ����� ا :� hanen990990@gmail.com*ا (��� ا) '�و *���) ����22� ا �K E)� . Keywords: + �; = �; design; finger; hand; prosthetic; ا �; ط �; � +; � k; � l; � ر; � �

• تحضير مقاطع وقود خفيفة من زيت الغاز الفراغي الثقيل بواسطة تفاعل التكسير الحراري by Obyed, Saleem Mohammed (2017) - � ا -,�+*�ا(ا )�' ا & ز ا ����� ا �اري ا �!� ���ة ;���� �3اري ����8 ط��9��.- ���� ��>��4 ;� ;���0 و;�*�=�>� �����6; ��? ���ات ��� ا ����� ا ����=� �1 �1 ��� ��� ا ����� و�� ٥٦٠o- �3٤٦٠ارة ;��اوح ��B �1 ���ل در�� و�� أ���' ����8 ا ����� ا �اري .B&�اد C 46ي ا I&J دي وا ��8� اJ* �8 ا�� K���? ) �� وا ���� ن، ا 4زن ا 6)�[�Q� �2 ا,� (V وذ K� �� ت �, ر�*M4ا� ا��� 6 ر�� ا ,���=�ا� ت ا �0 ��8ا��� أ�+ در ا �� ت ا�� ;� ا 40ل T�8 . Keywords: cracking; gas; gas oil; oil; ا �; و �; وا �; � �

• حامل الفولاذ منخفض السبك DIN 15Mo3 بطريقة اللحام النقطي بالقوس المعدني المحمي بالغاز by عبود, د.عدنان نعمة; عبد الصاحب, نبيل كاظم; طعمة, عامر عبد الله (2017) - من خةل تيريره حي رستقرارية وبالتالي حي نفاذية اللحام وعلى قطر نقطة اللحام ( 3,2,1)لإلشكالوعلى قو القص . .2mmقص للسمك 160 200 240 280 320 weld current (AMP) 10 15 20 25 30 35 s h e a r f o r c e ( K N ) 8sec 4sec 2sec ( العةقه بين تيار اللحام وقو اللحام لسمك 1الشكل ) 2mm 2بيستخدام غازCO وبيزمان مختلفه ( حي تياراي ورزمان 2بد اللحام )الشكل مقارنة بالسمك (4mm)لسمك مختلفة .(2mm) ( 14)بلغي قيمة قو القصKN عند ( رم تبدر قيمة 4secوزمن ) Keywords: 2sec; 4sec; 8sec; amp; journal; spot; welding; التيار; القص; اللحااام; اللحام; المجلد; الهندسية; تيار; د.عدنان; رستخدام; زمن; زياد; سمك; عبود; عند; غاز; قطر; لسمك; مجلة; منطقة; نعمة; نقطة; وعند
• Simulation of Temperature Distribution in TIG Spot Welds of (Al-Mg) Alloy Using Finite Element Method by Abbas, Muna K; Al-Maliky, Abdul Hussain G.; Alkhafajy, Ahlam Abid Ameer (2018) - اٌؼٕاطش اٌّؽذدج ِٓ (Finite Element Method) صِٓ اٌٍؽاَ ٚطٛي اٌمٛط فٟ اٌرٛص٠غ اٌؽشاسٞ ٚو١ّح , ِٚؼشفح ذأش١ش ِرغ١شاخ اٌٍؽاَ ِٓ ذ١اس اٌٍؽاَ (ANSYS-5.4)تاعرخذاَ تشٔاِط ا٤تؼاد ٌّؼشفح اٌرٛص٠غ اٌؽشاسٞ فٟ تشوح اٌٍؽاَ ِٓ صِٓ ٚذ١اس اٌٍؽاَ ٚطٛي لٛط . Keywords: sec; spot; weld; welding; إٌٝ; الصفحة; العدد; المجلد; الهندسية; انحشاسة; انهحاو; اٌؼٕاطش; اٌؽشاسج; اٌٍؽاَ; إٌرائط; خضير; دسظاخ; صِٓ; ص٠ادج; ػٕذ; مجلة; منى; ٔمطح

• دراسة وسط التشكيل في عملية التشكيل الهيدروليكي لأنبوب النحاس by Salman, Rusul AbdulKareem; Ameen, Hani Aziz; Mashloosh, Kadhim Mijbel (2018) - Hence it seen that it's higher with rubber and lower with hydraulic medias, industrial rubber higher than natural rubber media, and also the applying loads are altered in case of hydraulic and rubber medias as shown that because in case of rubber media the friction forces with the tube wall is generated . Also similar influences take place for natural rubber media as shown in Fig. Keywords: bulging; fig; hydraulic; media; pressure; rubber; rubber media; thickness; tube

• التجريبية والتنبؤ باستخدام الشبكة العصبية الاصطناعية لمسامية الطبقة والمحتوى الحجمي للطور الصلب في أبراج معكوس التمييع اللزج ثلاثية الطور by Abdulrahman, Amer A. (2017) - �� ا��� ���� )2016( 26- 37، %$#� 3، ا�! د12 ��� ا���ارز�� ا��� ��� ا�������� 37 ���� ا�.��2 وا��#&�ى ا�#��� �����0� ا/%. � ���� � @+P ا��� �ت و>=�!� ا���;$، �6و�� ا���;$،و ا��Oز ��@� !��� � ),��� )�). Keywords: + �; bed; liquid; phase; ا �; وا �; � +; � ر; � �

• الاستقرارية الجانبية العرضية للطائرة في الحالات الحرجة حسب نظرية ليبنوف الأسية by Abdulwahab, Emad N.; Atiyah, Qasim A.; Abd Alzahra, Ali Talib (2017) - An alternate perspective of wing rock limit cycle may be obtained from a cross plot of sideslip angle with roll angle. The resulting nonlinear flight dynamics equations of both one and three degree of freedom are solved with Beecham-Titchener asymptotic method for limit cycle amplitude and wing rock frequency[6]. Keywords: aircraft; angle; attack; cycle; fig; limit; lyapunov; rock; roll; wing
• التأثير الميكانيكي المشترك لإجهادات وأحمال الانبعاج على توزيع الإجهادات في المفصل نوع الكرة والمقبض by AL Shamaa, Fathi; Salman, Fatima (2010) - Abstract The design of components subjected to contact stress as local compressive stress is important in engineering application especially in ball and socket Joining. Two kinds of contact stress are introduced in the ball and socket joint, the first is from normal contact while the other is from sliding contact. Keywords: angle; ball; buckling; contact angle; contact area; contact stress; joint; load; loading; slip contact; socket

• دراسة مقاومة الشد و معدل البلى لخليط بوليمري من راتنج البولي استر غير المشبع ومطاط نايترايل بيوتاديين by Daway, Entihaa G. (2015) - Wear Test Wear test for binary polymer blend have been conducted using (pin –on –disc) testing according to ASTM G99. It is necessary to mention that the sample with ration (15%NBR) failed under wear test; this may be related to the nature of interpenetrating between the two polymers networks at this percentage which is defined (incompatible polymer blend) leading to decrease the mechanical properties of material Keywords: nbr; nitrile; polyester; polymer; resin; rubber; tensile; upe; wear

• لليكند Cr (II) , Pt (II), الدراسة الطيفية للمعقدات البوليميرية لكل من N- Crotonyl -2- Hydroxy-phenylazomethine by Mahdi, Alyaa Esam (2013) - compound � � − �) ���� � � = �) � � = �) � �� = �) � � − �) � � = � − �) � � − �) � � − ��) Table 1, Infrared Spectral Data (wave number�) ��� for Ligand and its Complexes. Keywords: complexes; ligand; metal; vol; � �

• تاثير المفصل الانشائي على تصرف العتبات الكونكريتية المسلحة by Abass, Zena Waleed (2012) - Specimens with construction joints at third point failed by cracking through the joints as shown in plate (5) at lower load levels of comparable specimens with construction joint at middle of the beam specimens . In this investigation it is found that beams with construction joints at zero shears perform better than beams with construction joint at the third points of specimens (the percentage of reduction in ultimate load capacity is in range of 2% -15%). Keywords: beam; concrete; construction; construction joint; deflection; fig; joint; load; series
• تأثير مُحتوى التُربة, مَقاييس الحَفر وقطر عُدة الحَفر على الإهتِزازات الحاصِلة في مَنظومة الحَفر by Tawfik, Mauwafak Ali; Soud, Wafa Abd; Alwan, Rami Safaa (2014) - ا� ������2 ا��َ �َ 3�1�� **د&5 ��و1$ء * ��31 &� ***را� ��$ء &��ان � ھ���� ا������ وا����ات ***،**،*� ا�%��$�$#�ا�!� �� /� drmat19853@yahoo.com &'ا�+)*� ا(��%)و: * wafaabd_92@yahoo.com **&'ا�+)*� ا(��%)و: rami.safaa@yahoo.com &'ا�+)*� ا(��%)و: *** ��7ا��ُ و�M,ا ا�L)ض . و�ق �� �و��ق )2015( 93- 112، ���� 1، ا�� د11 ا���ارز� ا��� �� ا������� 112 ُ� ����� ُ�1 ��ا��$�ِ 0ازاتھ�ِ &�, ا+ �� ة ا��َ �� و)'� &ُ %$#� ا��َ �َ ، � ����ى Keywords: acceleration; bit; depth; drilling; fig; load; penetration; rop; rpm; soil; vibration; wob; ا �; � �
• الركائز اللولبية المغروسة فى تربة انتفاخية تستند على طبقة رملية by Al-Busoda, Bushra Suhale; Abbase, Hassan Obaid (2017) - �� 3، ا���د����12 ا���ارز � ا���� �� ا���� ���ى ��� ز��ر �� ،25 -19 )2016( ��� ا��.�-, ا���� �� ا��+�و � ( &��� ا)$��'�� &%$�� #� ط �� ر **1%0 # �� # �س * ���ى ��� ز��ر ��� ا������ /��� ا������ ا������** ، *� %$�اد!م�� / albusoda@yahoo.com :&ا�-),� ا+�*()و� * temimi71@yahoo.com : ا+�*()و�& ا�-),� ** �� ا��2 �= ط-�0 مA ا�)م@م)%. م$)و�� %()%� ا� F��% ���م�� ���I �8! ٣٠٠ Keywords: helix; load; movement; piles; soil; ا �; م �; � �
• دراسة تجريبية في مفاصل التمدد الموتّدة على سلوك التبليط الخرساني غير المسلح by Al-kaissi, Zainab Ahmed; Mohammed, Mohammed Hashim; Kareem, Nabaa Sattar (2018) - Abstract This paper deals with load-deflection behavior the jointed plain concrete pavement system using steel dowel bars as a mechanism to transmit load across the expansion joints. Keywords: Steel dowel bars, jointed plain concrete pavement, load-deflection behavior, subgrade soil. Keywords: bar; concrete; deflection; dowel; load; models; pavement; slab; soil; � �

• حساب التمثيل المنمذج الحرج لعمليات الاعداد المسبق الخاصة بتحويلات متعدد المويجات ذات تقريبات من الرتبة الاولى by Mahmoud, W. A.; Saleh, Z. J. M.; Wafi, N. K. (2017) - Transformation of image rows: i. Apply matrix multiplication to the NN constructed transformation matrix by the NN row preprocessed input image matrix. ii. (18) and (19) for 2nd order approximations preprocessing step: 1.Checking image dimensions: Image matrix should be a square matrix, NN matrix, where N must be power of 2. Keywords: b b; image; matrix; nn; preprocessing; row;  ;  ;  
• تمييز الاوجه البشرية باستعمال المرشح GABOR وانواع مختلفة من الشبكات العصبية من نوع التنظيم الذاتي by Zeyad, Dr. Tarik (2017) - In equation (2), v controls the scale of Gabor filter, which mainly determines the center of the Gabor filter in the frequency domain; u controls the orientation of Gabor filters [4]. Keyword: Self-Organizing Map, Gabor filter. Keywords: extraction; face; feature; gabor; image; recognition; self; som; stage
• مقارنة الخواص الميكانيكة لمواد اللحام الحاوية على الرصاص والخالية منه والمستخدمة في تصنيع الكارتات الألكترونية by Ali, Alaa Hasan (2017) - Previous work focus on the variability of solder balls of different alloys and their effect on manufacturing electronic system. Additional work ought to be done to improve the scientific understanding variable properties of solder balls for different alloys so the motives of the present study are to give more understanding how the different balls sizes and Sn elastic and Plastic anisotropy phenomena effect on the strength and ratability of solder joint of manufactured electron system and must be taken into consideration by manufacturer and supplier. Keywords: aging; balls; deformation; figure; hardening; image; lead; loading; microstructure; slip; solder; tin
• دمج الصور متعددة التركيز بالاعتماد على أهمية البكسل و تحويلة Counterlet by Alwan, Iman M.G. (2015) - ������������� � ! H MI FS CORR }~�� �~�� �~�� Proposed 84.3228 58.4854 12.2766 7.2700 9.0737 1.999 0.9918 0.986 0.014 1.6769e- 005 Keywords: counterlet; fusion; image; transform; y �; ~ �; ا �; ∑ �; � b; � ~; � ∑; � �
• العلامة المائية الرقمية بإستعمال تحويلة Arnold و تحويلة Berkeley Wavelet by Alwan, Iman M.G.; Jamel, Enas Muzaffer (2017) - Figure (3a) and (3b) displays the test host, and watermark images. A: Watermark Embedding Process Input: Host image, Secret image, 𝛼 the scaling factor. Keywords: berkeley; host; image; transform; watermark; watermarking; wavelet; −1 −1
• تكبير الصورة باستخدام التحويل المويل المعاكس by Hanoon, Ahlam (2009) - This paper introduces a proposed method of image zooming based upon inverse slantlet transform and image scaling. Comparison of image zooming using inverses SLT by box and Bartlett filters, found that, because of the linear interpolation done by using Bartlett the image appears to be smoother than the image obtained using a box filter. Keywords: filter; filterbank; image; inverse; scaling; slantlet; transform
• استخدام متعدد تحويل المويج وطريقة الاستكمال لضغط الصور الملونة by Miry, Ali Hussien (2019) - In particular, whereas wavelets have an associated scaling function Φ(t) and wavelet function Ψ(t) , multiwavelets have two or more scaling and wavelet functions. The aim of image compression is to reduce the size of an image with or without loss of information (lossy or lossless compression). Keywords: image; multiwavelet;  ;  ;  
• Enhancement of System Security by Using LSB and RSA Algorithms by Hummady, Muna M. ; Hussein Morad, Ameer (2022) - While the evaluation results for hidden secret color image of (98.3 KB) are shown in Figure (5). Table 4, PSNR and correlation results for hidden secret text of (104 KB) Image Cover Image Size Hidden image Size PSNR Correlation 1 1024*768 1024*104 1st bit LSB 52.8095 0.999955 2 1024*768 1024*104 2nd bit LSB 46.5139 0.999981 3 1024*768 1024*104 3rd bit LSB 40.4909 0.999241 4 1024*768 1024*104 1st, 2nd, 3rd bit LSB 44.3691 0.999689 5 1024*768 1024*104 8th bit LSB 10.6935 0.386587 Table 4, PSNR and correlation results for hidden secret color image of (98.3 KB) Image Cover Image Size Hidden image Size PSNR Correlation 1 1024*768 1024*98.3 1st bit LSB 53.0849 0.999958 2 1024*768 1024*98.3 2nd bit LSB 46.7707 0.999822 3 1024*768 1024*98.3 3rd bit LSB 40.7585 0.999288 4 1024*768 1024*98.3 1st, 2nd, 3rd bit LSB 44.0844 0.999668 5 1024*768 1024*98.3 8th bit LSB 10.7022 0.383604 Muna M. Hummady Al-Khwarizmi Engineering Journal, Vol. 18, No. 1, P.P. 26- 37 (2022) 33 Cover Image 1st bit LSB Stego Image PSNR= 52.8095 Correlation= 0.999955 2nd bit LSB Stego Image 3rd bit LSB Stego Image PSNR= 46.5139 Correlation= 0.999981 PSNR= 40.4904 Correlation= 0.999241 1st, 2nd, or 3rd bit LSB Stego Image 8th bit LSB Stego Image PSNR=44.3691 Correlation= 0.999689 PSNR= 10.6935 Correlation= 0.386587 Fig. Keywords: cover; image; information; journal; lsb; message; steganography; stego; � −; � �

• معادلات وضعية لتحليل البلاطات الخرسانية المسلحة العاملة باتجاهين by Fadhil, Hassan Ayad; Al-Ahmed, Ali Hussein Ali (2012) - 7. Relationships between (m = short span/long span) and Bending Moments as Functions to w for Panel I. 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0.6 0.7 0.8 m (M x - ) a s a re la tio n to w BS Method II ACI-63 Method III ACI-63 Proposed method 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0.6 0.7 0.8 m (M x + ) a s a re la tio n to w BS Method II ACI-63 Method III ACI-63 Proposed method 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 0.6 0.7 0.8 m (M y + ) Keywords: bs method; iii; method; method ii; panel
• تحضير تراكيب اوكسيد النحاس النانوية بطريقتي السول – جل والترسيب by Jabbar, Saja Mohsen (2017) - R,� ا��&V ا�&�*اء اا�8�C= و (#$#Aا��*(+; ا��ا �g*,�� ��W $L*Lاظ �+�$Z ي ا��&>* ' �$وة�و(:+� ا� &$س ا� $# � Z ص$H��.٦١٠ا �$/!*ون ٢�37Z K ا���ا�� وF-= ا�-)/Y$ت ا���! O>$�# د�+F ز$L� �,R]ا�:+ +� ا)(XRD م�Z د��ا<; و�R ��دة !�ن �W ا���� ھ� ،)در�� 37Z. ��W )٣٨.٩ ا�-Y/($ت ا��&>+* وF-= أ` $ء � )١٥.٩٣*���7� .) ) Keywords: chemical; copper; cuo; diffraction; journal; method; nanoparticles; precipitation; size; ا �; � �
• Health Monitoring For Cantilever Crane Frame Using Residual Error Method by Hadi, Nabil H.; Rashed, Iqbal A. (2019) - [                     i i i i u u u Lsym L LLL LL L IE K   …(5) The stiffness matrix of undamaged element  uK is the same that developed by [9] for undamaged beam element with rectangular cross- section given by Bernoulli-Eular theory has two nodes with two degreeof freedoms (2 d. o.f.s),  ,u at each node, as seen in Fig. “Evaluation of structural damage identification methods based on dynamic characteristics”. Keywords: beam; crack; damage; element; matrix; method; mode;  ;  

• التركيب المجهري وبعض الخصائص للمواد المتراكبة نوع الالمنيوم- سليكون المقواة بأوكسيد الايتريوم او أوكسيد الالومينا by Moosa, Ahmed A. (2010) - Particle reinforced composites are characterized by particles having a diameter greater than 1 µm with a volume fraction of 5 to 40%. Particle reinforced composites show isotropic stiffness improvements with generally lesser degradation of fracture properties than that of whisker reinforced MMCs [1]. Keywords: alloy; cr2o3; density; fraction; particles; si alloy; si composites; squeeze; volume; volume fraction

• دراسة تحليلية وعددية لتأثير الشق على التردد الطبيعي للعتبات ذات التثبيط البسيط by Al-Ansari, Luay S.; Al-Waily, Muhannad; Al-Hajjar, Ali M. H.Yusif (2012) - Keywords: Vibration beam, crack beam, health monitoring, experimental vibration beam, cracks effect beam frequency. He used the numerical results to correlate the analytical results for lumped crack beam vibration analysis for aluminum and steel beams with open cracks. Keywords: beam; crack; crack position; depth; experimental; position; results
• دراسة تأثير انحناء المجمع الشمسي على الاستجابة الديناميكية للمجمع الشمسي by Kazem, Aladine Abdulkader; Hussein, Khalid Hameed (2013) - [9] N. Hosoya and J.A. Peterka,” wind tunnel tests of parabolic trough solar collector”, National renewable energy laboratory, 2008. Solar Collector Geometry This paper specifically refers to parabolic trough collectors for concentrating sunlight. Keywords: coefficients; collector; curvature; length; loading; numerical; parabolic; response; results; study; trough; wind

• Comparison of Fatigue Life Behavior between Two Different Composite Materials Subjected to Shot Peening at Different Times by Al-Khazraji, Ahmed N.; M. Shareef, Mahdi N. (2014) - [6]and ASTM D 638 [7] for fiber glass composites and aluminum powder composites, respectively as shown in Figures (1-a) and (1-b). For fiber glass composites (as shown in Figure (7) and Figure (8)), the mechanical properties improved gradually where the maximum improvement was about 5 % at (SPT = 6 min) with respect to the unpeened specimens (SPT = 0 min).Figure (9) reveals a reduction in mechanical properties for 2.5% aluminum powder composites where the maximum reduction did not reaches 23% at (SPT = 6 min) with respect to the unpeened specimens (SPT = 0min). Keywords: aluminum; composites; fatigue; fiber; glass; min; peening; shot

• دراسة تأثير الكسرالحجمي لألياف الزجاج على الموصلية الحرارية للمواد المتراكبة البوليمرية by Hamza, Mohammed Sellab (2019) - C) K Thermal conductivity (W/m. C) Kc1 Thermal conductivity of the composite specimen in the parallel direction of the fibers (W/m. C) Kc2 The percentage of increasing of experimental thermal conductivity was 96.91% for parallel arrangement and 13.33% for perpendicular arrangement comparison with its original value before the using of glass fibers. Keywords: conductivity; direction; experimental; fiber; fiber volume; fraction; parallel; perpendicular; theoretical; volume; volume fraction

• تشخيص الفحم الحيوي المنتج من جريد سعف النخيل العراقي بطريقة التحلل الحراري by Alwan, Qasim H.; Rahman, Ameel Mohammed; Salman, Mohanned Hassib; Ali, Zainab Hassan (2015) - فٟ رؾ١ٚو اٌىزٍخ اٌؾ٠ٛ١خالٍزؼّبٌٗ ثلهعخ اٌؾواهح االػز١بك٠خ انغبزاد 2-1-2 ١ٕٕٟ %( 99,999)اٍزؼًّ غبى إٌزوٚع١ٓ ثٕمبٚح ػب١ٌخ اٌزغبهة وغبى ؽبًِ فٟ ،عٙي ِٓ األٍٛاق اٌّؾ١ٍخٚاٌُاٌٖٕغ . اٌؾ٠ٛ١خ، ٌٍٚفؾُ اٌؾ١ٛٞ إٌبرظ ِٓ وً رغوثخ انُتبئح ويُبقشتهب .3 َر درخخ انحرارح تأث 3-1 تأثُر درخخ انحرارح عهً َسجخ إَتبج Keywords: biochar; biomass; et al; journal; p.p; production; pyrolysis; ئٌٝ; ئٔزبط; انحُىٌ; اٌزؾًٍ; اٌزوثخ; اٌزٟ; اٌؾواهح; اٌؾ٠ٛ١خ; اٌؾ١ٛٞ; اٌفؾُ; اٌىزٍخ; إٌزوٚع١ٓ; إٌق١ً; حسٍُ; طفحخ; غبى; ػٍٝ; ؽواهح; ؽ١ش; كهعبد; كهعخ; وٍفٓ; ٌٍفؾُ; ٌٍىزٍخ; ٔالؽع; َٔجخ; ٘نٖ; ٠زُ; ٠ّىٓ
• الهضم المشترك (الثنائي) للشمبلان مع النفايات المختلفة كمصدر لإنتاج الغاز الحيوي by Farhan, Duaa A.; Lattieff, Farkad A.; Atiya, Mohammed A. (2018) - [21] reported higher biogas production (471 mlCH4/gmVS) with higher C.demersum/inoculum ratio of 1:10. The highest methane content was not synchronized with highest biogas production. Keywords: anaerobic; biogas; digestion; food; methane; paper; production; shumblan; wastes; yield

• تأثير طلاء(Ti/AlTiN) متعدد الطبقات على عملية تأكل عدة القطع وخصائص الاحتكاك على سطحها by Kadhim, Kamil J.; Abbas, Abbas Allawi; Hussein, Maher Ali H (2018) - Dimensional accuracy of the work piece, and also the surface finish will be reducing by tool wear. According to [1], tool wear is a gradual change in the shape of the machine tool as a result of material loss. Keywords: altin; coating; crater; cutting; figure; journal; machining; tool; vol; wear

• التوليف الأخضر وتوصيف جزيئات أكسيد الزنك النانوية باستخدام أوراق الكالبتوز لإزالة صبغة 210 الحمضية السوداء من الوسط المائي by Najm, Zahraa A.; Shakorfow, Abdelmalik Milad; Al Mhanna, Najah; Hassan, Ahmed K.; Atiya, Mohammed A. (2023) - Abstract This study uses an environmentally friendly and low-cost synthesis method to manufacture zinc oxide nanoparticles (ZnO NPs) by using zinc sulfate. Zinc oxide nanoparticles (ZnO NPs) are flexible semiconductors that exhibit notable optical transparency and luminous capabilities in UV- visible (UV-Vis) regions and have excellent chemical and thermal stability Keywords: analysis; doi; eucalyptus; extract; nanoparticles; nps; synthesis; vol; zinc; zno; zno nps

• Analysis and Evaluation of a Quasi-Passive Lower Limb Exoskeleton for Gait Rehabilitation by Al-Hayali, Niaam Kh.; Nacy, Somer M. ; Chiad, Jumaa S. ; O. Hussein (2021) - Lower limb exoskeletons are defined as wearable devices that are worn by a human and work in concert with the wearer’s movements Lower limb exoskeletons can be used to aid the rehabilitation training by providing functional motion assistance for people with neurological and age related disorders [3][6][7][8]. Keywords: doi; emg; exoskeleton; gait; hip; joint; knee; leg; limb; motor; muscles; rehabilitation; vol; walking
• Quantitative Analysis of Isometric Ankle Torque and Muscle Activity during Dorsiflexion and Plantarflexion by A. Almasiri, Osamah A. ; Buniya, Ali K. ; Abdul-Ameer, Hussam K. (2024) - The results showed that ankle torque is higher in plantarflexion than dorsiflexion. This has been achieved using a quantitative analysis of ankle torque and sEMG of the TA and GAS. Keywords: activity; ankle; dorsiflexion; foot; joint; muscle; participants; plantarflexion; semg; torque; vol

• التحلل البايولوجي للديزل المُلوث للتربة باستخدام سلالات بكتيرية بصورة منفردة وبشكل اتحاد بكتيري مختلط by Jabbar, Noor Mohsen; Kadhim, Estabriq Hasan; Mohammed, Alaa Kareem (2018) - Single strains and mixed bacterial consortia have been investigated their ability to degrade 1.0 % (v/v) of diesel oil in Bushnell- All flasks were incubated for 28 days at 30∘C. Then, to determine the remaining concentration of diesel oil after the end of incubation period, 15 ml of each flask was taken. Keywords: bacteria; biodegradation; cloacae; compounds; culture; diesel; oil; paucimobilis; soil; vol; � �

• تأثير المركب القطبي (1-بروبانول) على التطايرية النسبية للنظام الثنائي هكسان – بنزين by Chasib Al-Jiboury, Khalid Farhod (2008) - Nomenclature ai Combining rule coefficient aij Mixing rule coefficient Mixing rule coefficient A Cohesion parameter of cubic equation of state bi Combining rule coefficient B Covolume term (parameter) of the cubic equation of state Bi Combining rule coefficient Interaction coefficient of equation of state Interaction coefficient of equation of state m Temperature dependent correlation parameter n Temperature dependent correlation parameter nD Refractive index P Equilibrium pressure of the system, MPa Pi Vapor pressure of pure component i MPa T Temperature, K TC Critical temperature, K xi Mole fraction of component i in liquid phase yi Mole fraction of component i in vapor phase z Compressibility factor Greek Litters  Temperature dependency of the attractive term of equation of state  Relative volatility  Activity coefficient  Standard deviation  Density 2 Estimated variance  Fugacity coefficient References Anderson, T. F., D. S. Abrams, and E. A. Grens. The refractometer error for the n-hexane – benzene and benzene - 1-propanol system was within 0.001 mole fraction and for the n-hexane - 1- propanol system, 0.005 mole fraction. Keywords: benzene; hexane; liquid; propanol; vapor

• تأثير المساحيق النانويه على الخواص الميكانيكية والفيزيائية للمواد المركبة المدعمة بالالياف الزجاج by Abdul-Hussein, Aseel Basim; Hashim, Fadhel Abbas; Kadhim, Tamara Raad (2017) - دو � ودرا�� ������� ق �% ٦ و% ٤و %��٢ر �'�� �ن أ� �ف ا�ز'�ج ���دة ��و � و % ٣و���� � او�� د ، SiO2 ناو�� د ا��0 �و، Al2O3 او�� د ا �� وم( �و وم�� ���! ا���اص ا�� +�, + � وا�� #(�) � ����اد ا��'&�� ا������ ��%� �ف ا�#�ج � � *** ر�� ��4ره **ھ��8 ���س �5�6* ا� � ���� ��� ا� ��اد *** ،**،*��/ %$# ھ! Keywords: composites; epoxy; sio2; tio2; ا �; را �; و �; � �

• دراسة تقسيم المدن الى مساحات و مناطق متباينة من حيث مستويات التلوث الضوضائي المروري باستخدام برنامج ArcGIS: نموذج الدراسة مدينة كركوك by Ali, Shno Mustafa; Hama, Ako Rashed; Ali, Younis Mustafa (2018) - 2= �:�9% ��� **+!6 ر;�� $�> * ;� �:%�9 ��� ���ك/ ���� ا������*� ���� ��ر �����م وا�'&���� �/ %$# ا������ ا��!�� **�� ���� � �� ا�$���!��/ ا���������� ***�� shnoma@yahoo.com :+!و� * ا�.�-� ا,�&' ako.rashed@komar.edu.iq : ا�.�-� ا,�&'�و!+ ** younis.ali@univsul.edu.iq :ا�.�-� ا,�&'�و!+*** ��> ا� �.'��اق -&9 ان ت$'7�د ���� ھ4ه ا��را�� و���� �2���1'�ى ت����ك وا�'+ ت<= >�ل ا�� ��-���# ��ب ارE�C �٨٣# >�ل �BCاد و �٢٣٦'<$�# ���طI و �$�H�ت Kت ا��ة ا�$'�-�< M�H 9� �7�'N� +O��'وري ا���V تU ا�'�Nام . H +T+ ا��]� dB(A) ٤٨و��!U ا��!�� �Hھ� % +Q�R�Sت ا�'��ث ا��-�'$��اQ[ . Keywords: city; jan; kirkuk; min; noise; traffic; ا �; و �; � h; � r; � w; � ت; � �

• دراسة تأثير نسبة طاقة وقود الديزل في وقود ثنائي على أداء محرك اشتعال بالانضغاط by Basheer, Maan Janan (2012) - مثبتة عند بداية أنبوب العادمK (Ni-Cr)/(Ni-AL)ٔٛع :ٔظجَ صؾ١ٙض ثٌّقشن دجٌغجص ثٌٕفطٟ ثٌّغجي -5 صضىْٛ ثٌّٕظِٛز ثٌّغضخذِز فٟ ثٌذقظ ٌضؾ١ٙض ثٌّقشن دجٌغجص خضثْ ثٌٛلٛد، ِششـ ثٌٛلٛد، : ثٌٕفطٟ عهى أداءدراسح يعٍ جُاٌ تشير ثٌؾجِؼز ثٌضىٌٕٛٛؽ١ز/ لغُ ٕ٘ذعز ثٌّىجةٓ ٚثٌّؼذثس (Received 15 September 2011; accepted 4 March 2012) انخالصح ، ٚرٌه ػٍٝ أدثء رٌه Keywords: diesel; fuel; kpa; إٌٝ; ثالفضشثق; ثٌذ٠ضي; ثٌطجلز; ثٌغجصٞ; ثٌقشثس٠ز; ثٌىفجءر; ثٌّقشن; ثٌٛلٛد; ص٠جدر; ػًّ; ػٕذ; و١ّز; ٌٍّقشن; ٔغذز; ٚلٛد

• دراسة ﺗﺄﺛﻴﺮ التشكيل اﻟﻨﻘﻄﻲاﻟﺘﺰاﻳﺪيﻟﻠﺼﻔﺎﺋﺢ المتعددة على الاجهادات المتبقية في الطبقة السفلية by Abed, Aseel Hamad; Bedan, Aqeel Sabree; Noori, Mohanad Faeq (2017) - (15) shows residual stresses for bottom plates are less than for single plate except when using Mos2 or grease which have larger residual stresses than single plate and all other experiments. https://doi.org/10.22153/kej.2017.02.004 Abstract Knowing the amount of residual stresses and find technological solutions to minimize and control them during the production operation are an important task because great levels of deformation which occurs in single point incremental forming (SPIF), this induce highly non-uniform residual stresses. Keywords: fig; forming; grease; lubrication; plates; single; stresses; thickness; � �

• تحليل انحراف ذراع روبوت مرن احادي الوصلة by Khalil, Rafal M.; Nacy, Somer M. (2015) - −������ & �9:;5< + �9:;5<) 0 0FG GG H >2=2?=? J$ 0)�*D 0�*�V #ا�� �:7aا�� m=0ا��� J�. Keywords: deflection; degree; fig; link; manipulator; motor; sec; servo; tip; tip deflection; ا �; � �

• النمذجة والترشيح لمتابعة الأهداف المناورة by Abou-Loukh, Sadiq J. (2009) - Conclusion Using a simple target model that accounts statistically for the magnitude and duration of target maneuver has shown how a Kalman filter can be constructed to track maneuvering targets. Keywords: Kalman Filter, Modelling and Filtering, Tracking Maneuvering Targets. Keywords: filter; kalman; target; tracking;  ;  ;  

• Comparison of Prediction Programs for Short Wave Circuit Link from Iraq to Test points on Both Earth Hemispheres during Solar Minimum by Hasan, Ahmed Kadhim (2021) - Prediction programs like the Voice of America Coverage Analysis Program and the International Telecommunication Union Recommendation RS 533 had been used to generate high frequency circuit link parameters such as the Maximum Usable Frequency and Frequency of Transsmision. P. P. 1- 11 Comparison of Prediction Programs for Short Wave Circuit Link from Iraq to Test points on Both Earth Hemispheres during Solar Minimum Ahmed Kadhim Hasan AL Banna Department of Information and Communication Engineering /Al Khwarizmi College of Engineering/ University of Baghdad/Baghdad/ Iraq Email: akadhim@kecbu.uobaghdad.edu.iq (Received 8 August 2021; Accepted 5 October 2021) https://doi.org/10.22153/kej.2021.10.003 Abstract This paper compares the accuracy of the HF propagation’s prediction programs for HF circuit links between Iraq and different points world wide during August 2018 when solar cycle 24 (start 2009 end 2020) was at minimal activity and also finds out the best communication mode used. Keywords: circuit; fig; fot; muf; prediction; rec533; shows; values; voacap; vol

• دراسة الخصائص الميكانيكيـة لمـادة مركبة ذات أساس بوليمري مقواة (Al2O3) أو (Al) بدقائق من by Ataiwi, Ali Hussein; Uleiwi, Jawad Kadhim; elIa, Saad M. (2007) - (4) ٚوّب ِج١ٓ فٟ اٌشىـً ( األخشٜ اٌزٟ أدد إٌٝ ص٠بدح ِمبِٚخ اٌظذِخ ٟ٘ اٌّط١ٍ١خ اٌؼب١ٌخ ٌأل١ٌَّٕٛ ِمبسٔخ ثّط١ٍ١ٗ أٚوغ١ذ األ١ٌَّٕٛ ؽ١ش أْ اٌّبدح اٌّط١ٍ١خ رؾزبط إٌٝ ؽبلخ وغش أػٍٝ ِٓ اٌطبلخ . اٌّمٜٛ ثذلبئك األ١ٌَّٕٛ ِغ ص٠بدح اٌىغش اٌٛصٟٔ ٚص٠بدح ِؼبًِ اٌّشٚٔخ ثٕغجخ (% 54.84)ثٕغجخ ، ث١ّٕب رمً ِمبِٚخ (% 20)ػٕذ وغش ٚصٟٔ (60%) األ١ٌَّٕٛ اٌشذ ٌٍّبدح اٌّشوجخ اٌّمٛاح ثذلبئك أٚوغ١ذ ػٕذ ٔفظ (% 41.9)ِغ ص٠بدح اٌىغش اٌٛصٟٔ ثٕغجخ .اٌىغش اٌٛصٟٔ ٌٕٚفظ ؽغُ اٌذلبئك ػٕذ ص٠بدح اٌىغش اٌٛصٟٔ ٌٍذلبئك اٌّؼبفخ رضداد -2 ِٚزبٔخ اٌىغش(Gc)ِمبِٚخ اٌظذِخ 3- (Kc) ٚرىْٛ ٘زٖ Keywords: al2o3; أٚوغ١ذ; إٌٝ; األ١ٌَّٕٛ; اٌجٌٟٛ; اٌشذ; اٌىغش; اٌّبدح; اٌّشوجخ; اٌّمٛاح; ثذلبئك; دلبئك; ص٠بدح; ػٍٝ; ػٕذ; ٌٍّبدح; ِمبِٚخ

• دراسة أداء كل من الشب والبولي ألمنيوم كلورايد مع دبق الحلبة في معالجة مخلفات المياه الناجمة عن معامل الورق by M. Shabe, Kadhum; E. Salah, Suhama; M. Janbi, Mervit (2011) - The turbidity reduction and COD reduction efficiencies increase with the increase in coagulant dosage and pH till it reaches its highest value after which the reduction and removal efficiencies start to Kadhum M. Shabe Al-Khwarizmi Engineering Journal, Vol. 7, No. 3, PP 39 - 47 (2011) 42 decrease. The experiments were carried out in jar tests with alum, PACl and Fenugreek mucilage dosages range of 50-2000 mg/L, rapid mixing at 200 rpm for 2 min, followed by slow mixing at 40 rpm for 15 min and settling time of 30 min. Keywords: alum; cod; dosage; fenugreek; mucilage; pacl; reduction; turbidity

• دراسة الخواص الميكانيكية لمتراكبات ذات أساس سبيكة (Al-Cu-Mg) by Salih, Sahama E.; Al-Jnabi, Mervit M. (2012) - ھذه تصلید عملیة في الیة من اكثر اشتراك حبیبیة احجام ذات دقائق اضافة عن الناتج بالتشتیت باالصالد من دقائق اضافة خالل من الصالدة زیادة على عالوة دقیقة فضال) 1µm-50μm في السبب ویعود العظمى الصالدة إلى للوصول زیادة إلى تؤدي سوف المحلولیة المعاملة بعد البارد على التشكیل البینیة والذرات االنخالعات مثل( البلوریة البنیة عیوب عدد كةحر البلوریة البنیة عیوب تعرقل سوف وعلیھ) والخلوات اللدونة، من وتخفض المقاومة من بالتالي فترفع االنخالعات مدة سرعة من زاد قد البارد على التشكیل ان ذلك على عالوة االنتشار سرعة في سبب مما كثیرة فراغات تكون بسبب التعتیق . Keywords: zro2; االساس; التشكیل; التعتیق; الحبیبي; الدقائق; الزركونیا; السبیكة; الشد; الصالدة; العظمى; المتراكبة; المحلولیة; المضافة; الوزنیة; الى; بعد; بین; تعمل; حیث; خالل; درجة; دقائق; ذلك; زیادة; على; عملیة; عند; فحص; قیم; مقاومة; نتائج; والمعاملة
• تأثير زيادة نسبة الكاربون على الخواص الميكانيكية لكاربيد التيتانيوم المنجز بالافلام الرقيقة by Al-Ghaban, Ahmed M. H. Abdulkadhim (2017) - یب الكیمیاويمختلفة الترك عینة ١٣ التیتانیوم كطور وحید على الرغم من اختالف التركیب الكیمیاوي او نسبة الكاربون الى التیتانیوم صعودا او نزوال برغم اختالف یمكن ایضا . المادة الھندسیة الفائقة الرقیقة لكاربید التیتانیوم المختلف في التركیب الكیمیاوي من لم تظھر . Keywords: films; ticx; vol; التركیب; التیتانیوم; الخواص; الكاربون; الكیمیاوي; المیكانیكیة; الى; على; كاربید; نسبة; ھذا; یمكن
• تأثير الحجم الحبيبي على مادة متراكبة ذات أساس بوليمري مقواة بدقائق من مادة (Reenia) by A.hassan, Mohammed A sadik; Sallal, Hayder Abbas; kahlol, Kdhim khaion (2013) - ]١,٢[ا المحیطة من درجة حرارة وض غط وغیرھ متل ك درج ة عالی ة م ن ھي مواد خامل ة وخفیف ة ال وزن وعموم ًا ت المطیلیة، وھي تمتاز بأنخفاض التوص یلیة الكھربائی واد المتراكب ة .]١[ خالل تص میمھا وطرائ Keywords: size; ادة; البولي; الحجم; الدقائقي; الشد; الم; المادة; المتراكبة; الى; بین; حیث; زیادة; عبد; على; عند; قیم; مادة; مقاومة; واد; وزني
• دراسة تأثير ازألة الزنك في سبيكة البراص على خواص الكلال by Hussein, Hussein Jabbar; Al-Kaisy, Hanaa A.; Elie, Saad M. (2009) - حيــث ASTMحسب تصنيف ( )C26000والتي تحمل الرقم ( اري وبقطــر تــم شــراء قضــبان مــن هــذه الســبيكة مــن الســوق التجــ )12mmالتحليل Microsoft Word - (87-93) Hussein Jabbar Hussein Al-Khwarizmi Engineering Journal Al-Khwarizmi Engineering Journal, Vol. 5, No. 3 PP 87 - 93 (2009) دراسة تأثير ازألة الزنك في سبيكة البراص على خواص الكالل ســعد ميخائيل إيليا سميج زيز هــناء ع حسين جبار حسين ة ي التكنولوج Keywords: brass; cycles; dezincification; إزالة; إلى; األصــفر; اإلزالة; البراص; التآكــل; التآكل; التي; الزنــك; الزنك; الكالل; الكــالل; النحاس; الهندسية; حسين; دراسة; سبائك; على; عملية; ــة; ــد; فحص; فــي; مــن
• استعمال تقنية الطلاء بمعيقات اللّهب لحماية المنشآت المدنية والصناعية من الحرائق by Al-Mosawi, Ali I.; Mahmood, Abbas A.; Salaman, Ali J.; Alwash, Naser A. (2011) - ٢.٢ تتكون نماذج إختبار التعریة الحراریة من طبقتین ، األولى ، تلیھا 3mm)(متكونة من رابع ُأوكسید األنتیمون وتكون بُسمْك طبقة المادة المتراكبة المكونة من راتنج البولي أستر غیر المشبع ، لذلك 5mm)(وتكون (900ºC-800ºCحرارة حشوات إلى المواد اللدائنیة بسبب التوصیل الحراري الضعیف جدا لھًا والغرض من ھذه اإلضافة ھو إلحداث تغییرات في یتم إضافتھ بشكل طبقة خارجیة معامالت توصیلھا الحراري أو رابع ُأوكسید األنتیمونیفقد . Keywords: flame; أستر; ألیاف; إلى; األنتیمون; البولي; التعریة; التي; الحراریة; المادة; المتراكبة; المعیقة; الّلھب; حیث; درجة; رابع; راتنج; رقم; على; ُأوكسید; ھذه

• التحليل الحركي العكسي والمحاكاة لذراع روبوت ذو خمس درجات لحرية الحركة بأستخدام MATLAB by Abaas, Tahseen F.; Khleif, Ali A.; Abbood, Mohanad Q. (2020) - � ∗ cos ∅ …(10) :�; � :� � � cos �� � <= …(11) :>; � :> � � sin �� � A= …(12) :�; � :� + ! � 0 1 � …(2) *�� � ��� ����� �� 0 #���0 #���0 00 0 1 00 1 � …(3) * � � �� �� � � 0 # � 0 # � 0 00 0 1 00 1 � …(4) * � �� 0� 0 � 0�� 00 10 0 0 0 0 1� …(5) *� � ��� ����� �� 0 00 00 00 0 1 !�0 1 � …(6) Keywords: arm; kinematics; robotic; rs �; ry �; rz �; � g; � rrp; � �

• تصنيف على مرحلتين للمؤشرات الحيوية لأورام الثدي للنساء العراقيات by Mohammed, Iyden Kamil; Al-Timemy, Ali Hussein; Escudero, Javier (2020) - ����, U'�� ��o'O د � ا�37� :pd�7�3�U!^ ٢٪ �)/R0) ��[ا �b!D ا�?�ي ا��0ق: �B ھ`ه ا��را�� ، �� ا 07اح 5_�م �3�'J'7(R0! Keywords: attributes; bayes; breast; ca15; cancer; classification; classifier; stage; tumor; vol; ا �; � b; � ت; � �

• english by Nayyef, Ibrahim Kh. Kh.; Shammari, Ahmed Z. M. (2020) - ���� ��� )2020( 11- 18، ! :�H ا��%ل #�% ، أو أن :�� � ا �R+�� /� و&�د #$Q ا �? ا+�%ًS 8( T �: ظ%S3 ، +%ن ا 5ي -VW ا � #%����ام �� �� %ت و�� $�% :? Keywords: + �; cloud; cnc; machine; manufacturing; sensor; ا �; � +; � f; � h; � ام; � �

• تأثير القطع بالليزرعلى دقة الأبعاد وطبيعة الأسطح المثقبة by Rijab, Mustafa Ahmed; Mahdi, Hamid Salih (2012) - H o le d ep th ( m m ) تأثير كثافت قذرة انهيسر .2.4 ٠ضداد ػّك اٌضمت ِغ ص٠بدح وضبفخ لذسح ا١ٌٍضس ثغجت ص٠بدح اٌّزٌٛذ فٟ اٌضمت، ؽ١ش اْ رٌه ٠ئدٞ اٌٝ ص٠بدح اٌشؼبعضغظ و١ّخ اٌّٛاد اٌّضاٌخ ػٍٝ ١٘ئخ لطشاد عبئٍخ، ٌىٓ ػّك اٌضمت ٠جذأ ثبٌٕمظبْ ػٕذ ص٠بدح وضبفخ اٌمذسح، ٚاٌغجت فٟ رٌه ٘ٛ اْ و١ّخ اٌّٛاد اٌضمت، طبلخ ا١ٌٍضس، اٌزجئس، شؼبع ا١ٌٍضس، اٌظٍت إٌّغ١ٕضٞ اٌظٍذ،اٌزضم١ت ثب١ٌٍضس:انكهًاث انًفتاحيت انًقذيت .1 Unconventional Machiningػ١ٍّبد اٌمطغ اٌالرم١ٍذ٠خ Processes ٍٝػ١ٍّبد اٌمطغ اٌزٟ ال ٠ؼزّذ اٌزشغ١ً ػ ٟ٘ٚ طالدح أداح اٌمطغ وّب ٘ٛ ِؼشٚف ثبٌطشق اٌزم١ٍذ٠خ ثً ٠ؼزّذ ػٍٝ ِزغ١شاد أخشٜ ٠ّىٓ اٌغ١طشح ػ١ٍٙب ِضً اٌز١بس، اٌفٌٛز١خ، ،اٌضغظ (Abrasives)اٌزثزثبد، عشػخ األعضاء اٌؾبوخ اٌؼٛاًِ اٌزبو١ٍخ (Hydraulic Pressure)ا١ٌٙذس١ٌٚىٟ (Corrosive Agent) ٚاٌّٛاد اٌّزؤ٠ٕخ(MaterialsIonized ) ٚغ١ش٘ب ٚرّزبص ٘زٖ اٌطشق Keywords: اٌزضم١ت; اٌضمت; اٌغطؼ; اٌّبدح; اٌٝ; ا١ٌٍضس; شؼبع; ص٠بدح; طبلخ; ػٍٝ; ػّك; ػٕذ; ؽ١ش; لطش; وضبفخ
• الطلاء الكهربائي بالكروم الصلد وتحسين الخواص بالمعاملات الحرارية الكيمياوية (الكربنه الصلبة) لفولاذ منخفض الكاربون by Abbas, Muna Khedier; Thamir, Amin Dway; Abbas, Ahmed Salloum (2019) - اٌّغزٍّٗ Chromium electroplating, carbon steel, solid carburizing , wear :انكهًاخ انًفراحٍح انًقذيح .1 رزؼشع اٌؼذ٠ذ ِٓ ِٓ األعضاء إٌٙذع١خ ٌّؼذالد رشغ١ً ػب١ٌخ ِّب ٠ٌٛذ ٌظشٚف ؽالء ِّبصٍخ ٌظشٚف ؽالء اٌجؾش ٠ٛػؼ اٌزغ١ش فٟ عّه اٌطالء ثبٌىشَٚ (4) ٚاٌشىً . Keywords: chromium; اعشاء; انخىارزيً; انخىارزيً انهُذسٍح; انؼذد; انهُذسٍح; انهُذسٍح انًجهذ; انًجهذ; اٌجٍٝ; اٌطالء; اٌظٍجخ; اٌظٍذ; اٌؼ١ٕبد; اٌىبسثْٛ; اٌىشثٕخ; اٌىشَٚ; اٌّط١ٍخ; اٌٝ; ثبٌىشَٚ; ثؼذ; خضٍر; خضٍر ػثاش; طفحح; ػثاش; ػٍٝ; ؽجمخ; ٌٍؼ١ٕبد

• دراسة تأثير إضافة دقائق كل من الالومينا (Al2O3) والزركونيا (ZrO2) على بعض الخواص الميكانيكية لمتراكبات ذات أساس من سبيكة (Al-Si-Mg) by I. Ibrahim, Sarmad (2011) - تحمل درجات الحرارة العالیة التي تمتاز بھ ا الم واد الس یرامیكیة Composite(ل ذلك ت م االتج اه إل ى إنت اج الم واد المتراكب ة Materials ( التي تعرف بأنھا المواد الناتج ة م ن دم ج م ادتین أو كثر مختلفتین إلعطاء مزیج من الخ واص المیكانیكی ة والفیزیائی ة أ أي أنھ ا . [2]وقابلیتھا الممتــازة للتشغیل وللصب وللحام األلمنیوم المستخدمة ف ي الص ناعات المختلف ة وخصوص ًا ص ناعة الطائرات إلى انخفاض مقاومتھا عند تعرضھا إلى Keywords: إلى; األساس; االلومینا; ادة; افة; الس; الص; الصالدة; الم; المتراكبة; الھندسیة; دقائق; زیادة; عند; قیم; للسبیكة; واد

• التركيب الديناميكي للحدبات by T. Petrescu, Florian Ion; Petrescu, Relly Victoria V. (2017) - Mechanical efficiency of cam mechanisms was about 4-8%. The synthesis was made using the natural geometro-kinematics parameters (of cam mechanism). Keywords: cam; cos; dynamic; equation; fig; follower; petrescu; profile; roll; tappet; valve; vol

• تخمين زاوية الوصول في مستويات متعددة بواسطة مصفوفة الهوائيات الدائرية الطورية المتكيفة by Mohammed, Bassim Sayed (2017) - and in the vector form ;��� � <*# � #*< Where W and X vectors are given by < � :, : , … . , :��* # � �, � , …… , ���* Signal and noise in the adaptive array antenna system may be described in the terms of statistics properties, so this make possible to evaluate the system by its statistical average where E[.] is the expected value of any random signal, the evaluation of st directly to interested quantities related to the second statistical moment such as covariance matrix, which is closely related to correlation matrix for stationary signals. , No. 1, P.P. 36- 44 (2016) So the output voltage of the proposed array system due to ith received signal is 9���, �, �� and due to the nthchannel thermal noise voltage is 9���� and they can be expressed as 9���, �, �� = d*��, ��K���, �, �� … (24) 9���� = d*��, ��K���� … (25) Then the output powers for signals and noise can be written as G|9���, �, ��| = |d*��, ��K�∗��, �, ��| = d*��, ��I����, �, ��d∗��, �� … (26) Where ~����, �, �� is a covariance matrix of ith received signal under angle of arrival estimation and it is equal to ~����, �, �� = K�∗���, �, �� ∗ K�*��, �, �� … (27) Keywords: angle �; array; b �; dahi �; g �; k �; signals; w∗ �; ا �; � d; � |; � ت; � �

• تحسين سلوك الانبعاج الديناميكي لأعمدة الصلب المقاوم للصدأ المؤلمنة لمتوسطة الطول by Al-Khazraji, Ahmed Naif; Al-Rabii, Samir Ali; Al-Khazaali, Hameed Shamkhi (2017) - Symbol Type of loading ���� ��� {��� ����� ����. ����� 1 1a Comp. Keywords: + �; bending; buckling; columns; dynamic; modulus; type; ا �; � +; � =; � k; � v; � ة; � �
• تحليل الإجهاد لموجهات سكك المصاعد by Shuka, Hayder Al-; Wajidi, Wisam ِ Al- (2009) - Therefore, a recommended calculation method for guide rails is presented to be an acceptable method for analysis of guide rail. Therefore, a theoretical analysis is achieved at two operating conditions for guide rails (1) safety gear operation, and (2) running condition with the loads unevenly distributed on the elevator car. Keywords: bending; efb; field; guide; moment; rails

• تحليل انماط مختلفة لقبضة اليد و الاصابع عن طريق تسجيل اشارات العضلات و جهاز مقياس قبضة اليد by Buniya, A.; Al-Timemy, Ali H.; Aldoori, A.; Khushaba, Rami N. (2020) - To the best of our knowledge, only power grip was investigated with EMG recorded from different muscles, with different %MVC, while no other types of grips were considered, such as the fine pinch or tripod grip. In addition to that, we are planning to record EMG signal from different muscles with different hand gestures to find out the relation between EMG signal and muscle force with different % MVC. Keywords: activity; emg; fcr; fds; grip; hand; mean; muscles; mvc

• السليكا المساميَة MCM-41 مادة ناقلة لعلاج النستاتين لنظام تسليم الدواء by Albayati, Talib M.; AlKafajy, Ali M. (2019) - 2.2 Preparation of Mesoporous MCM-41 The mesoporous MCM-41 was purely synthesized according to the literature using SiO2 under basic conditions and CTAB, Aldrich as a structural directing agent [9-12] and (TEOS) was used as silica precursor. =0.14gm, observed that at intermediate concentration of NYS drug at Talib M. Albayati Al-Khwarizmi Engineering Journal, Vol. 15, No. 2, P.P. 34- 43 (2019) 38 30mg/l, the drug loading efficiency of mesoporous increases when contact time at 24 h and at high concentration of NYS drug stemmed in the formation of aggregate rather than mesoporous, which is extremely undesire so, the maximum DL% show in time=24h, conce. Keywords: delivery; drug; fig; journal; loading; mcm-41; mesoporous; nys; release; silica; � �

• المقارنة بين RLS و E-RLS في تتبع الوسط الناقل المسمى رايلاي من نوع سريع التغير مع الزمن by Mahdi, Ali Salah (2017) - ر�� ( / .-,# ا���+ ا�� *( ا� � ا�-�1% �# ا��0 ��ح ���ي� &���� %$�اد/ �!� ا� ���� ا���ارز��/ ��� ھ���� ا�������ت وا� ��ت ali_info27@yahoo.com : ا��,+)و*� ا�()'� ا��.-� �'�/ <�م )E-RLS(و) RLS( ا���ار�!�ت>�7 (/; ')8ا� اھ:، را'�� �����0 �)'5 ا�+$!) [9], i.e., %��� ≜ ' ����� ���� − �(� = ℐ(�2��+,-�(�, �( = ⋯ , −1,0,1,… …(4) Where ,- is the time sampling of the sequence �����, �+ is the maximum Doppler frequency of the Rayleigh fading channel, and the function ℐ(�·� is determined by : ℐ(�3� ≜ � # 4 cos �3 sin :�;:# < …(5) The Doppler frequency �+ is the product of carrier frequency �= by speed of mobile users (receiver),>, over to speed of light as given below: �+ = ? Keywords: + �; rls; | �; � +; � |; � �

• Impact of using Double Layers Perforated Liners on the Acoustic Treatments of the Combustor Systems by Hacham, Wisam S.; Hiji, Faisal S. (2020) - � �� **!� �� ھ�ل ، ھ�ل ، HU6 7RX ، ا ����� ا �()�ة ** wisam@kecbu.uobaghdad.edu.iq -�,�ا ا/ �(�و�: * hull.ac.uk-f.s.hiji@2017ا -�,� ا/ �(�و�: ** ا��8�� ا �?�ر ا �<�� =%>�ء ا ( ���; ��: ا ���5-���9ت ا �(�85 دا01 �5�7 ا/1(�اق 5 ا �)� �ت ا (%ر����� و��2 ا ا �%اء ��2 ا (�ا01�(-� , �) ��ا/����ر ، وز,�دة اھP)از ا ��%��ت، وز,�دة ��ل ,Oدي إ L ا�&�Kض 5 أداء ا ��(ك �Hم ا�(�Fار ا/@(�اق. وھDا ,��2 أنA-� 5 ا ا/@(�اق و ��-A ا�(�Qر ا (8FQ ��)�ك ا ������� R��� ي ,)�ث اD از اP2 ا/ھ( � ��TU� ��5 L دي إO, يD اء ا�!Vا W���, �,�F� ن أيX5 ، �) ��(�ددات �H ��. Keywords: liner; sound; tu �; ا �; ر �; � h; � k; � y; � ام; � ت; � ل; � �

• التحليل الحراري المرن- اللدن للأجسام المدورة المتناظرة باستخدام معيارية فون- ميسيز المطورة by Hussain, Imad A.; Lafta, Hameed D.; Hussain, Rafa'a D. (2019) - Derivation of the General Equation of Yield Initiation: The boundary conditions when thick-walled cylinder is subjected to internal pressure or/and external pressure, steady state temperature gradient are:  r = -Pi , T= Ti at r = a  r = -Po , T= = Ti at r = a r = -Po , T = Keywords: plastic;  ;  ;  ;  ;  ;  

• تأثير زوايا الانفراج لمنشآت تحويل المقطع على النحر الحاصل في مؤخر المنشأ by Muhammed, Sawsan H.; Hadi, Karem Khalaf (2019) - عّك إٌحش اٌحبصً ٚاْ اٌزصبس٠ف اٌعب١ٌخ رغبعذ فٟ ص٠بدح ٔغجخ غٛي إٌحش اٌٝ عّمٗ ، ٌٚغشض اخز١بس افعً صا٠ٚخ أفشاط ٌّٕشؤ رح٠ًٛ اٌّمطع رم١ًٍ ع١ٍّخ إٌحش فٟ ِؤخش إٌّشؤ عٍّبً اْ ٕ٘بن فٟ إٌّشآد ا١ٌٙذس١ٌٚى١خ ِٕشؤ رح٠ًٛ فٟ اٌّمذَ ٚآخش فٟ اٌّؤخش ربص١ش ٚاظح (Froud Number)ِٚٓ رح١ًٍ إٌزبئظ رج١ٓ اْ ٌشلُ فشاٚد Keywords: انخٕارزيً; انعذد; اٌّمطع; إٌحش; رح٠ًٛ; صا٠ٚخ; غٛي; يجهت
• دراسة تأثير الشكل الهندسي لمادة التقوية على الاجهادات الداخلية للمواد المتراكبة by Ali, Alaa H. (2007) - قذ (11)فٜ اىشنو (اىزق٘ٝخ) قو ثشنو ٍيح٘ظ ػيٚ مو ٍِ ٍبدح األعبط ٍٗبدح اىزق٘ٝخ حٞش ثيغذ ػيٚ ٍبدح األعبط ٗفٜ ٍْبؽق مضٞشح ٍِ ٍبدح األعبط 5568 ( 12) شنو 616 ىغبٝخ 2.2رشاٗحذ ٍِ ( 13)فٜ اىشنو ( X)ٗمزىل األعٖبداد ثأرغبٓ ٕٗزا ٍب ْٝطجق ػِ أخزالف قٌٞ األّفؼبالد ، فٜ (10)ػِ قَٞزٖب فٜ اىشنو (14)فٜ اىشنو . Keywords: االعبط; االىٞبف; انخىارمً; انصفحت; انعذد; انمجهذ; انهنذسٍت; اىزق٘ٝخ; اىشنو; اىَبدح; حسن; عالء; ػيٚ; ٍبدح

• دراسة عددية للحمل الحر الطباقي ثنائي الانتشار في مجمع شمسي مثلث قائم الزاوية by Mahdi, Jasim M.; Rasham, Ali M.; Thamir H. Ali, Thamir H. Ali H. (2013) - ت ا�;/)ارة و�Z/%ط :(/Q V�= ي%� (�:]Q �[ن ا��%ا > ا=`ه �� a1 � و�� أظ�)ت ا��, e�%,4ور�� �5)وود ا� T��* .6/474ا� Keywords: buoyancy; m =; number; ψ m; ا �; ∆c =; � �

Epilogue

For more detail, about this study carrel, see the computed home page. For more detail about study carrels in general, see the read me file.

Created: 2025-12-25