英语语法分析

The invention relates to a preparation method of difluoromono-chloroethane;

本发明涉及一种二氟一氯乙烷的制备方法。

Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的氯乙烷及氢氧化钠反应，以甲苯为稀释剂，用一步法成功地合成了乙基纤维素。

Meanwhile the supporting electrolyte, i. e. tetraethylammonium is decomposed to chloroethane and ethylamine, so the supporting electrolyte should be improved in future.

但是电解时，支持电解质四乙基氯化铵也发生了部分分解，生成了氯乙烷和乙胺，这还需在以后的实验中进一步选择。