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....
A large part of state regulation consists of occupational licensing.大部分州的管理涉及行业的特许批准.That licensing procedures for projects would move faster.这样的工程批准程序一定会加快.In this respect, the proceeding was functionally similar to a c...
Heat transfer coefficients in a packed bed have been investigated by Leva and Beck.填充床的传热系数已由利瓦和贝克作过研究.Quand l'examen fut fini ____ deux heures , l'examinateur se leva et embrassa le candidat.Chacun在这里是什么用法?...
He went to London and lived in digs in Gloucester Road.他去了伦敦，在格洛斯特路的一所房子里租了房间住。The home of the Morgan family was up Gloucester Road, towards the top of the hill.摩根家族的住宅在格洛斯特路接近山顶的地方。They went up the Severn from Bristol t...
Rain chilled the glittering pageant.雨使华丽的庆典大为逊色.Our pageant represented scenes from history.我们的露天历史剧上演一幕幕的历史事件.To me the pageant of seasons is a thrilling and unending drama.在我看来,一年四季的绚丽景色犹如一出无尽的动人的戏剧....