“氯乙烷”造句
2024年05月26日 20:58:01
为了凝结
氯乙烷气体,必须使用大量的冷却水.
Great quantities of cooling water must be available for condensation of the ethylchloride.
简述了二
氯乙烷的理化性质 、 作业标准和法规.
The article describes the physico - chemical properties, operative standers and laws of EDC.
在乙酰化、硝化反应中引入了1,2-二
氯乙烷溶剂.
In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.