The effect of catalyst type and amount, reaction temperature, hydrolytic reagent type and amount on the reaction products yield was investigated. 探讨了催化剂种类及用量、反应温度、水解试剂种类和用量对反应的影响。
Studies on Film-coating Reagent of Emulsifying Type and Its Influence on Rice Quality 乳化型被膜剂及其对大米品质的影响研究
Hypervalent iodine reagent is a new type of oxidant, which has a special superiority in the pharmaceutical synthesis. The alcohols could been oxidized to the corresponding carbonyl compounds with high chemoselectivity by hypervalent iodine reagent. 高碘试剂是一类新型的氧化剂,可以高选择性的将醇类化合物氧化成相应的羰基化合物,在合成药物方面具有独特的优势。
By using polydimethylsiloxane containing epoxy groups as base gum, the compounds containing amino groups as crosslinking reagent, a new addition type curable silicone rubber were prepared. 以含环氧基聚二甲基硅氧烷为基胶,以胺类化合物为固化交联剂进行了新型加成型硫化硅橡胶的研究。
Objective To explore the method for the preparation of human original anti-M serum reagent, so as to save type N erythrocytes. 目的解决人源抗-M试剂血清制备困难,节约N型红细胞。