趣英语 / “氯乙烷”造句

“氯乙烷”造句

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.

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