Tert - octylamine was prepared with di - isobutene and hydrocyanic acid as mine feed. The yield was high.以二异丁烯和氢氰酸为主要原料,高收率地制备叔辛胺.This paper discusses the commercialized production methods of several chemicals using hydr...
Iraq claims the contents in the weapon dossier prepared by Britain baseless.伊拉克驳斥英国武器档案内容毫无根据.It is a baseless conjecture.这是毫无根据的猜想.The rumours were completely baseless.那些谣传毫无根据。...baseless allegations of drug taking.毫无根...
She was too tired to take a shower.她累得连澡都懒得冲。The weather was good except for an occasional shower.除下了一阵大雨外, 天气还是很好的。A Shower of rain drove down upon us, each drop stinging like a hailstone.一阵倾盆大雨直泻到我们的身上, 每一雨点打来都象冰雹般刺痛.M...