Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination process.以对氯甲苯为原料, 经催化氯化制取2,4二氯甲苯.In the reaction of chlorination, carbon tetrachloride was used agent, and chlorine ...
Chlorination is carried out with Nhaloamines and sulfuric acid.氯化是用N- 卤胺和硫酸.The practice of chlorination has become so widespread.氯化法在实践中已得到广泛应用.The process of 2 - chloropyridine chlorination synthesis by pyridine and ap...
He looked like a ventriloquist's dummy.他看上去像腹语术表演者用的人偶。Peter worked in night club as a ventriloquist.彼得在夜总会当一名口技表演者。Every ventriloquist carries a dummy of their own.所有的口技表演者都随身带着人偶....the ventriloquist's dummy....
这个村子里只住了50户人。The village is a settlement of just fifty houses.寻求避难的家庭户增加了17％。The number of families seeking shelter rose by 17 percent.有30户人家因为失业而正在经受煎熬。30 families are suffering 'cause they're out of work....
在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.我们常从这本手册查阅有关晶体管的资料.We often turn to this handbook for information on transistors.她去哪里都带着晶体管收音机.She took her transistor everywhere wi...
气温记录清楚无疑地证实了全球气候正在变暖。Temperature records have unequivocally confirmed the existence of global warming.卡尔森对人的感情无疑地帮助保住了他那协同工作的牌子.Carlson's feeling for people undoubtedly helped him maintain his brand of teamwork.无疑地,...