نتایج جستجو برای: borosilicate glass
تعداد نتایج: 72415 فیلتر نتایج به سال:
In the vitrification of high-level radioactive liquid waste (HLW), separation sodium-molybdate melts is a problem because it reduces chemical durability vitrified waste. A glass with both high MoO3 solubility and required for safe disposal this study, we investigate effects vanadium oxide on phase molybdenum-rich water resistance resulting by equilibrium experiments test. Phase were performed S...
Abstract: Lead-containing glass borosilicate was synthesized by Sol-gel technique using metalalkoxids such as tetraethyleorthosilicate (TEOS), Al-sec-butoxide and trimethyl borate. The sol containing TEOS converts to gel during drop wise addition of Al-alkoxide while inorganic lead salt was added in the last stage of gelation to prepare the alcogels. The specimens were dried at room tempera...
The use of high-quality thermal insulation materials to improve the energy efficiency buildings is strongly increasing. Foam glass, a durable and porous material that resistant almost all substance effects, one best materials. Glass foaming complicated process affected by types agents used in initial composition mixture mode foaming. influence components - glass matrix agent discussed this pape...
NIR-shielding window materials were fabricated by direct embedding of Ta0.3W0.7O2.85 nanocrystals in bulk borosilicate glass-ceramics during a facile melt-quenching process. Optical and thermal performance the prepared windows can be adjusted varying concentration H2WO4 Ta2O5 starting materials. The optimized from raw containing 4.5 mol% 0.3 exhibited high visible light transmittance 74.4% stro...
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