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...
"I'm afraid he's ill." — "I'm sorry to hear that."“恐怕他生病了。”——“真是遗憾。”She could hear his ragged breathing, as if he had been running.她能听到他不均匀的呼吸声，似乎他是跑着过来的。"I think I hear the telephone ringing."—"Okay, I ca...
东海岸的土地贫脊.The land is barren on the east coast.骄傲的新娘骑在桥脊上对着云大声喊。Riding on the ridge of the bridge, the proud bride shouts loudly to the cloud.海底正在从大洋中脊扩张开来.The sea floor is spreading away from the mid - ocean ridges....
Handpainted tiled murals for kitchens and bathrooms are Julie Eurich's speciality.制作厨房和浴室用的手工绘制花砖是朱莉·尤里克的专长。The flat-pack units are by Gower kitchens.这套平板家具是高尔厨房用具公司出品的。The cordless kettle may now be a fixture in mo...