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...
He needed surgery to cure a troublesome back injury.他需要做手术来治好烦人的背伤。A permanent cure will only be effected by acupuncture, chiropractic or manipulation.只有针灸、脊椎指压治疗或者推拿术才能实现彻底治愈。Oranges, lemons and limes were found to cure...
The scales registered a gain of 1.3 kilograms.称重显示增加了1.3千克。2 kilograms of rice2公斤大米Every tonne of coal contains, on average, 30 kilograms of nitrogen.每吨煤平均含30公斤氮....
Mary Ann smiled at her gamely.玛丽·安鼓起勇气朝她笑了笑。He gamely defended his organisation's decision.他极力为其组织的决定辩解。She tried gamely to finish the race.她试图顽强地去跑完比赛。...