很多环戊烷的衍生物在这个范围也出现吸收.Many cyclopentane derivatives also absorb in this region.后者是由二氧杂环戊烷中活化较弱的C -H 键离解而产生的.The latter arises from abstraction of the somewhat lesser activated C - H bond in the dioxolane.控制缩合反应的温度,还得到一种苯并环...
She criticizes me for the way I feed or change him.她批评我不会给他喂奶、不会换尿布。The writer criticizes and suspects the fate from the tragedy of Mathilde.文章从玛蒂尔德的悲剧中叩问命运、质疑命运.This idiom criticizes those who show accomplishments in fr...
It was all a far cry from those halcyon days in 1990, when he won three tournaments on the European tour.这和1990年的那些美好时光大不相同，当时他在欧洲巡回赛中赢得了3场锦标赛。Seles won 10 tournaments, and was the undisputed world champion.塞莱斯拿到了10个锦标赛冠...
To anthracite, adopting off - line type CDC calciner is more reasonable.尤其是针对无烟煤, 采用离线型CDC分解炉更为合理.Different assembling positions for calciner are designed according to different coal characteristics.结合燃煤特点,分别设计了不同的燃烧器安装位...