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...
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.Isoprenoid ( terpene ): Class of organic compounds made up of two or more structural units derived from isoprene.类异戊间二烯化合物(亦称 ...
His part in the affair was quite open and aboveboard.他参与这件事完全是正大光明的.I think everything ought to be aboveboard.我觉得什么事情都应当开诚布公.His business dealings were aboveboard.他的生意来往是光明正大的.I didn’t have to bribe anyone；it was all ope...
I had fondly imagined that riding a mule would be easy.我曾经天真地以为骑骡子很容易.The nurse fondled the child fondly.保姆怜爱地抚摸着孩子.I often think fondly of an occasion some years ago at Covent Garden...我时常愉快地回想起几年前在科文特花园的一个时刻。He looked ...
...a gritty determination to avoid humiliation.坚决避免蒙受羞辱He left in a rage of humiliation.他羞愤离去。They frequently plumb the depths of loneliness, humiliation and despair.他们常常陷入孤独、屈辱和绝望的深渊。She faced the humiliation of discuss...
He drew his dagger and turned to face his pursuers.他拔出匕首转身面向追他的人。He is said to have thrown off pursuers by pedaling across the Wisconsin state line...据说他骑车越过威斯康星州界，摆脱了追捕他的人。The fugitive succeeded in eluding the pursuers ...