所加的反应物可以是二烯烃 、 环二烯烃.The feed reactants can be alkadienes, cycloalkadienes.包含两个双键的化合物叫做二烯烃.Compounds containing two double bonds are called dienes.与二烯烃橡胶相比, EPDM的双键很少.Compared with diolefine rubber, EPDM has less double b...
Carbonic acid can be made into dyes and disinfectants.石炭酸可作染料、消毒剂等的原料.Alkylphenol ethoxylates ( APEs ), common in detergents and disinfectants, are suspected hormone disruptors.烷基酚聚氧乙烯 ( APE ) 类:俗称乙醇盐, 常用清洁剂和杀菌剂, 是一种可能破坏...
The authority must make suitable accommodation available to the family.当局必须给这个家庭提供适当的食宿条件。They'd soon be penniless and homeless if she couldn't find suitable work.她要找不到合适的工作，他们很快就会身无分文，无家可归。A family doctor will...
Their skin was tanned and glowing from their weeks at the sea.他们在海边呆了几个星期，皮肤晒得黝黑发亮。He relied on translucent enamels to produce vivid, glowing pictures.他利用半透明瓷漆绘制出鲜艳生动的图画。She was positively glowing with happiness.她满脸幸福....