以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸铈铵为催化剂,...
You turn everything into checklists.你把一切事情都列入你的一览表里啦.Keeping hydrated is an often - overlooked item on many checklists.在出行用品清单上,保持足量饮用水是个经常被忽视的内容.Checklists and tips - and - hints panels pass on hard - won knowledge in a...
The expansionists are fond of resorting to blood and iron.扩张主义者喜欢滥用武力.They are notorious for resorting to trickery in order to impress their clients.他们为了打动客户不惜坑蒙拐骗,因而声名狼藉。I can lose a few pounds without resorting to daft...
I used my thumbnail to tighten the screw on my lamp.我用拇指指甲把台灯上的螺钉拧紧了。The thumbnail grows the slowest and the middle nail the fastest.拇指指甲长得最慢,中指指甲最快?The novelist only gave a thumbnail sketch of his characters.这位小说家对他作品中的...
When I get a car, I'll always stop for hitchhikers.如果我要拦车, 我就是这么做的.Many of these young hitchhikers probably come from good families.也许这些年轻的搭车者中,很多人是好家庭出生.For 14 years he collared hitchhikers who passed through town ...
He had recovered his equilibrium and even his good humour, somehow.不知怎的,他已经恢复了平静,连心情也变好了。Stocks seesawed ever lower until prices found some new level of equilibrium.股票在震荡中进一步下跌,直到股价达到某个新的平衡点。Any disturbance to the body...
The government conceded the right to establish independent trade unions...政府承认建立独立工会的权利。ICA can separate signals that are statistically independent but linearly mixed.对于相互统计独立的信号源经线性组合而产生的混合信号,采用ICA能 从其中分离出各独立的信号分量....an...