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。
Objective: to found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.
前言：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。
METHODS using alcohol to extract Tripterygium wilfordii, and using acetic ether to elution, and then vaporizing acetic ether to obtain dry powder.
方法雷公藤根茎先用乙醇提取，然后用乙酸乙酯洗提，最后挥干溶剂得干品。
RESULT the acetic ether portion, n-butanol portion and total flavonoids portion of Pollen Typhae could markedly shorten the coagulate time in mice.
结果蒲黄及炮制品的乙酸乙酯部位、正丁醇部位、总黄酮部位可明显缩短小鼠凝血时间。
Natto acetic ether abstraction was initially separated using silica gel column and the parts consisted of the new ingredients initially separated were gained.
对纳豆乙酸乙酯萃取物采用硅胶柱进行了初步分离纯化，分离出含有三种未知物质的组分。
The effects of catalyst treated methods, catalyst quantity, reaction time, acid-alcohol ratio and catalyst length-of-live are studied in batch synthesis of acetic ether.
考察了催化剂处理方式、醇酸比、催化剂用量、反应时间对合成乙酸乙酯的影响及催化剂重复使用的活性。
Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.
将硫酸氢钠作为由乙二醇单甲醚和乙酸酯化合成乙二醇单甲醚乙酸酯的催化剂。
The effect of molar ratio of ethylene glycol monomethyl ether and glacial acetic acid and catalyst dosage on esterification are discussed.
考察了乙二醇单甲醚和冰乙酸摩尔比及催化剂用量对酯化率的影响。
Methanol is a basic organic chemical raw material, which can be used to synthesize dimethyl ether, formaldehyde, HAc and acetic anhydride, etc.
甲醇是基本有机化工原料，可进一步加工为二甲醚、甲醛、醋酸、醋酐等。
Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.
系统研究了以TBP为萃取剂，乙酸丁酯、二甲苯、石油醚、 煤油为稀释剂，从高酸度盐酸溶液中萃取镓。
Cassava starch: project of Producing 300,000t Cassava Ethonel, Citric acid and Lysine, Ethene, EO, ether, acetic acid projects and so on.
木薯淀粉产业：30万吨木薯燃料乙醇项目、柠檬酸、赖氨酸项目，酒精乙烯、环氧乙烷、醇醚、醋酸乙酯等项目。
Cassava starch: project of Producing 300,000t Cassava Ethonel, Citric acid and Lysine, Ethene, EO, ether, acetic acid projects and so on.
木薯淀粉产业：30万吨木薯燃料乙醇项目、柠檬酸、赖氨酸项目，酒精乙烯、环氧乙烷、醇醚、醋酸乙酯等项目。
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