The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature. 用金属锂 - 液氨一步还原法合成γ姜黄烯.实验证实γ姜黄烯极不稳定,室温下极易芳香化转变成α姜黄烯.
For two weeks, the cash machine was unable to dispense money.该自动取款机已有两个星期不能提供现金。It's all part of a conspiracy to dispense with the town centre all together and move everything out to Meadowhall.彻底抛开市中心而把所有东西都搬到梅多霍尔购...
Fair words slake wrath; fair words hurt not the mouth.好言好语息人怒; 说好话于己无损.We had to slake ourselves with rainwater in the desert.在沙漠中我们不得不用雨水解渴.slake your thirst解渴Nothing can slake his anger.无事可平息他的怒气....
Wetting of fibrous materials can critically affect many manufacturing processes.纤维材料的润湿,会严重影响它的许多加工工艺.Cellophane is made of long, fibrous molecules.玻璃纸系由长形纤维分子组成.Grohal belong to the coated paper series, the munltivariab...
She looked at the books jammed haphazardly in the shelves.她看着乱七八糟地塞在书架上的那些书。I have to find a convenient location for the shelves.我得找一合适的地方放这些书架。Six stale loaves of brown bread formed a dark blot on the otherwise barren s...
Ball - type automatic balancers are employed widely in optical disk drive industry.目前在光碟机减振上应用最广泛的装置之一为滚珠型自动平衡装置.While hardware balancers may outperform software - based balancers, their flexibility is always limited.虽然硬...