Isomerization occur during bromine reaction, that is mean secondary allylic configuration changes into primary allylic configuration. 在溴化反应过程中存在分子结构重排, 即溴代仲位烯丙基构型向溴代伯位烯丙基构型发生转化.
到目前为止，反叛分子面对威胁的反应非常谨慎。Rebel sources have so far reacted cautiously to the threat.她那3年的自由仿佛是对孩童时代的反叛。Her three years of freedom seemed like a reaction against that childhood.他赢得了“反叛牧师”的称号。He earned the appellation "rebel ...
煤被干馏后剩下固体残余物:焦炭.Coal is destructively distilled leaving a solid residue, coke.泥煤焦油的性质和由木材干馏所得到的焦油的性质相似.Peat tar has similar properties to the tar derived from the destructive distillation of wood.干馏段: 采用优质高炉粘土砖砌筑,内置中心管.P...
Carruthers had been gored by a rhinoceros.卡拉瑟斯被犀牛顶伤了。Is goin'to work for Carruthers.要去给卡路塞斯干.Mr Carruthers was never marked out stardom.卡拉瑟斯绝不是注定要当明星的....