“氯乙烷”造句
2024年05月26日 20:58:01
為了凝結(jié)
氯乙烷氣體,必須使用大量的冷卻水.
Great quantities of cooling water must be available for condensation of the ethylchloride.
簡述了二
氯乙烷的理化性質(zhì) 、 作業(yè)標(biāo)準(zhǔn)和法規(guī).
The article describes the physico - chemical properties, operative standers and laws of EDC.
在乙?;?、硝化反應(yīng)中引入了1,2-二
氯乙烷溶劑.
In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.