Isoprene could be deeply hydrogenated to isopentane on nickel catalyst.异戊二烯在镍基催化剂作用下可深度加氢为异戊烷.Development proposals of isoprene rubber in China were put forward.结合我国的实际情况,提出了发展我国异戊橡胶的几点看法.Polymerization of isoprene in th...
There are many discords in this family.在这个家庭里有许多争吵.They both loved to be together, in spite of discords.他们俩虽然不很投机,可是喜欢呆在一起.The early discords had passed away completely - resolved into the absolute harmony of married lif...
触发器用来产生激励脉冲,供闸流管点火.The trigger is used for generating excitation pulse for the thyratron to ignite.也可以用 可控硅 整流器或者是半导体闸流管.A SCR ( silicon controlled rectifier ) or thyrister can also be substituted for the contactor.然而,半导...
我喜欢葡萄酒的味道，喜欢品尝不同的口味。I like the taste of wine and enjoy trying different kinds.细细品尝每一口的味道，充分咀嚼。Savour the flavour of each mouthful, and chew your food well.品尝当地菜肴是海外度假的乐趣之一。Sampling the local cuisine is one of the delight...
不公正的老板和粗鲁的顾客让我们工作起来很不愉快。Unfair bosses and rude customers make us unhappy on the job.她认为他是个粗鲁的人。She thought him an unpleasant man.他们到处在汽车上涂写粗鲁的标语。They went around painting rude slogans on cars....