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
烷及氢氧

应,以甲苯为稀释剂,用一步法成功地合成了
基纤维素。


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
烷及氢氧

应,以甲苯为稀释剂,用一步法成功地合成了
基纤维素。
The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制工艺的改进,采用

和氢氧
的混合物进行处理,得到纯度≥99%的O,O-二
基
代磷酰氯。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。