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...
他必须对这些可恶的罪行负责。He must be made answerable for these terrible crimes.我昨天甚至把那些可恶的床单给洗了。I even washed the flipping bed sheets yesterday.你这个可恶的骗子。You dirty liar....
有些粮食作物歉收。但棉花的收成仍相当不错。Some of the food crops failed. However, the cotton did quite well.他们一直用小麦交换棉花和木材。They have been bartering wheat for cotton and timber.棉花价格始终保持坚挺，需求旺盛。Cotton prices remain firm and demand is strong....