id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
dentistry3000-24	Azizi, Nader; Cubas, Yltze P; Orellana, Maria F	A gas adsorption porosimetry analysis of Portland cement prepared by compaction vs. compaction with indirect ultrasonic agitation	2014	5	.pdf	application/pdf	4423	231	52	Note  the  presence  of  visible  pores   on   the   surface   of   specimen   from   the   indirect   ultrasonic   activation  group  (A);    Slight  variation  in  color  marks  the   border   between   aliquots   of   cement   placed   to   make   up   Figure  3:  At  10x  magni,ication,  large  internal  pores  (air-­‐bubbles)   could  be  seen   in   cross   sections  of  samples   from   the   indirect  ul-­‐ trasonic  activation  group  (A);  Transition  areas  between  aliquots   of  cement  present  as  “watered-­‐down,  weak  fault-­‐lines.     It   is   now   well   accepted   that   pores   decrease   the  mechani-­‐ cal  properties  of  cement  [9].   	cache/dentistry3000-24.pdf	txt/dentistry3000-24.txt