This reaction, called the Hofman elimination, is quite analogous to the dehydrohalogenation of an alkyl halide.这个反应称为Hofman消除反应, 它很像卤代烷的脱卤化氢反应.This paper discussed three methods of producting vinyl etherspreparation from...
He's becoming more and more obsessive about punctuality.他对守时要求越来越过分了。He's been taken to task for his habitual lack of punctuality.他因为经常不准时而受到批评.He gave the child a lecture on the importance of punctuality.他教训孩子...