In this article, borax was used as the prime agent, and organic boron that cross-linked agent synthesized using adding sodium tartrate. The synthesis response shapes were optimized unmarried factor way. temperature opposition crosslinking time of fracturing fluid appraisal standards to decide boron. cross-linking agent's optimal statuses measured, chemical forcible holdings after with polyvinyl...

three high-silica mordenite zeolites differing in sio440, ratio were prepared by direct synthesis without using any template. the products si02/a120, ratio is influenced by the starting gel composition. this ratio is increased upon ion-exchange with nh,cl and subsequent calcination to prepare protonic mordenite. the protonic mordenites with si02/a1203ra tios of 14.6,29.2 and 34.6 were character...

It remains to be determined whether systemic insulin replacement normalizes synthesis rates of different plasma proteins and whether there are differential effects on various plasma proteins. We tested a hypothesis that insulin deprivation differentially affects individual plasma protein synthesis and that systemic insulin treatment may not normalize synthesis of all plasma proteins. We measure...

Drawing on independent work carried out by academic and industrial researchers using the immobilized TEMPO catalyst Silia Cat TEMPO, in this study, we show how shifting carboxylation process mediated solution to a above-mentioned hybrid sol–gel allows synthesis of insoluble polysaccharide nanofibers superior quality, eliminating waste.

Mots-clé PVD-CVD, Sol-gel processing, Monte Carlo simulation, thin film islanding. PACS 04A25 The synthesis of self-organized quantum dots (QD’s) can be achieved through bottom up layer by layer deposition processes as chemical vapor deposition (CVD) or physical vapor deposition (PVD). However, QD’s may also be synthesized via sol-gel route, which involves a spontaneous evolution from thin film...

• Butyl levulinate synthesis from fructose in aqueous 1-butanol is feasible at moderate temperature on ion-exchange resins. Gel-type resins with low crosslinking degree are suitable to catalyze the production of butyl D-fructose. An indicator humins formation fact that amount formic acid higher than levulinic acid. A relationship between activity and their morphology a swollen state found. The ...