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...
Eventually they reached a pair of ornately carved doors.他们最终来到一扇雕刻精美的对开门前。The pair admitted that their three-year-old marriage was going through 'a difficult time'...那对夫妻承认他们3年的婚姻正在经历一个“困难期”。She picked up a pai...
他们认为，只有私人资本家才能重振波兰经济。They argue that only private capitalists can remake Poland's economy.工人们为资本家卖命.The workers worked themselves to the bone for the capitalists.资本家剥削工人而积累了巨额财富.The capitalists amass great wealth by...
超导体表观面貌并无变化.There is no change in the visual appearance of a superconductor.基价本月无变化, 但整体交易价格处于下滑态势.With no change in basis numbers, transaction figures slipped this month.痰炎症标志或细菌定植均无变化.No change in FEV 1 , sputum inflam...
A servant is known by his master's absence.主人不在可以看出仆人的品行来。He is a trusted servant of the company.他是公司里可靠的雇员。That creature butters up the emperor's close servant - of all the nerve!他在巴结皇帝的近侍,真是厚颜无耻.I pray you le...