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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