The extraction of penicillin G with petroleum sulphoxide and di - isooctyl.系统研究了亚砜类萃取剂石油亚砜和二异辛基亚砜萃取青霉素G的性能.A gas chromatography method for the quantitative analysis of isooctyl acid was introduced in this paper.摘要建立了异辛酸合...
Says he, if wild mans come, they eat me, you go away.他说:"如果野人来了, 他们吃掉我, 你可以逃走.The world champion racing driver met his Waterloo at Le Mans.在勒芒举行的赛车比赛中,这位世界冠军遭到彻底失败.Mans looked ruefully at his bottle of champagne.曼斯沮丧地看了看...
我们往往每周共进一次午餐。We tend to meet up for lunch once a week.基冈为南安普敦队踢了两个赛季，共上场68次，进球37个。Keegan made 68 appearances in two seasons for Southampton, scoring 37 times.他在全国四处游说，号召人们共赴大业。He barnstormed across the nation, rallying t...