比较甲醇钠、乙醇钠、异丙醇钠和叔丁醇钠催化活性，叔丁醇钠为最佳的催化剂。
Compared with the activity of sodium methoxide, sodium ethoxide, sodium isopropyl, sodium tert-butoxide, the best base catalyst was sodium tert-butoxide.
介绍了以甲醇钠甲醇溶液与氯仿为原料，采用共沸蒸馏法制备原甲酸三甲酯的改进工艺。
An improved method of synthesizing trimethyl orthoformate through azeotropic distillation by taking sodium methoxide in methanol and chloroform as raw materials has been presented by the author.
以二甲氧基乙酸甲酷和乙酸甲酷为主要原料，经甲醇钠催化制备二甲氧基乙酞乙酸甲醋。
A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.
鼓泡浆液反应器使用的浆液由铜铬催化剂、甲醇钠溶液、乳化剂OP - 10和液相介质二甲苯组成。
The slurry was composed of the required amounts of sodium methoxide solution, CuCr catalyst and emulsifier OP10, as well as the balanced liquid xylene medium.
在原料脱臭馏出物预处理后，以甲醇钠为碱催化剂，将原料与甲醇进行反应，使原料中的甾醇酯转化为游离甾醇。
After the pretreatment of PODD, sterol ester in PODD can be transesterified into free sterol with methanol while methanolic sodium as catalyst.
在间歇釜式反应器中，进行一氧化碳与甲醇羰基化合成甲酸甲酯的合成，考察甲醇钠碱性催化体系对反应的影响。
Sodium methoxide used as catalyst for the synthesis of methyl formate by carbonylation of methanol was studied, and effect of three kinds of promoter was investigated.
采用一水合硫酸氢钠作为催化剂，催化己二酸生产副产物——混合二元酸与甲醇反应合成混合二元酸二甲酯。
Mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodium sulfate monohydrate as catalyst.
用甲醇对油样中l -抗坏血酸棕榈酸酯进行提取，对提取物在酸性条件下水解，用水解产物对2,6 -二氯酚靛酚钠溶液进行滴定。
L-ascorbyl palmitate in the methanol extract is hydrolyzed under acid condition, and 2, 6-dichlorophenol indophenol sodium solution is titrated with the hydrolysate.
以磺胺嘧啶钠的甲醇溶液与水合氯化稀土的甲醇溶液反应制得了十五种稀土磺胺类络合物。
The fifteen complexes of rare earth chloride with sodium sulfadiazine in methanol medium have been prepared.
以磺胺嘧啶钠的甲醇溶液与水合氯化稀土的甲醇溶液反应制得了十五种稀土磺胺类络合物。
The fifteen complexes of rare earth chloride with sodium sulfadiazine in methanol medium have been prepared.
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