Hydrophilic membranes were prepared with key components of sodium silicate, acetic ether, polyacrylamide, etc.
以硅酸钠、乙酸乙酯、聚丙烯酰胺等为主要成分制备出亲水膜层。
Nonlinear fitting method is applied to calculate the rate constant of the acetic ether saponification reaction.
导法测定乙酸乙酯皂化反应速率常数的实验数据处理。
To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.
摘要目的：建立一种气相色谱法同时测定注射用青霉素钠中有机溶剂丁醇、乙酸乙酯、乙酸丁酯残留量的方法。
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