The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.异氰酸酯可由含氯的环(或非环)状分子氟化而得.A heavy - duty magnetic stirrer , such as Cole - Parmer model is needed during the fluorination.在氟化过程中需...
Reactor embodiments for the fluorination reactions are also disclosed.还公开了氟化反应反应器的具体实施方式.Low cost 3, 4 - difluoro nitrobenzene was prepared from 2, 4 - dinitrochlorobenzene by two - step fluorination.二硝基氯苯经二步氟化反应,制得低成本3,...
Move the little doggy.把小狗挪开点。Well - to - do canines ['keinain ] can attend doggy daycare centers while their owners work.家境 富裕的狗儿在主人上班的时候可以去狗儿托育中心.May I have a doggy bag?我可以打包 吗 ?Well - to - canines can attend doggy...
I was twenty-three, I suppose, and young for my age...我当时23岁，我想，看上去比实际年龄小。It's his idea of a joke, I suppose, the scallywag.我想开玩笑是他的主意，真是个淘气鬼。Suppose [ supposing ] it rained, we would still go.假如下雨的话, 我们还是要去.They su...
史蒂文斯遭谋杀源于深仇宿怨。Stevens's murder was the result of a deep-seated and intense hatred.他表示决心同这个结下深仇的城市和解,并予以照顾.He displayed himself steadfastly resolved to propitiate and favour that implacable city....