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 ...
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...
早晨开始禁食前，记下你的体重。On the morning before starting the fast, write down your starting weight.禁食让厌食者感到能掌握自我。Not eating makes an anorexic feel in control.他禁食四十昼夜, 后来就饿了.After fasting forty days and forty nights, he was hungry....
Here she was, at forty, footloose and fancy-free in New York.她那时在纽约， 年届四十，自由自在，无拘无束。In the eyes of the public, a divorced man is footloose and fancy-free.在公众心目中，离婚的男人无牵无挂、自由自在。Bert was a footloose, unemployed actor.伯特是不受...
The heavy rain driving against the windows made the room prematurely dark.暴雨敲打着窗户，房间早早就暗了下来。Weeks of heavy rain have washed away roads and bridges.几周的大雨将道路和桥梁都冲垮了。The heavy rain has caused floods in many parts of the cou...