A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.The present invention provides membrane separating and purifying process ...
They set up purifying systems in places where the water was not potable.他们在许多水质不适合饮用的地方建立了净化系统。Changing iron into steel is a process of purifying the iron.把铁炼成钢是铁的精炼过程.The extra step would increase the margin of safety b...
The carbon 14 atoms oxidise to carbon dioxide which gets blown about and mixed up with lower atmosphere.碳14原子氧化生成二氧化碳,向四周散去并与低空的大气混合.The froth is blown away.泡沫给吹开了。Fifty yards of track was blown up with dynamite.50 码铁轨被炸...
If your skin becomes red, sore or very scaly, consult your doctor.如果皮肤发红、瘙痒或脱皮,要向医生咨询。Daily facial exercises help her to retain the skin's elasticity.每天做面部运动帮助她保持皮肤弹性。He won, but only by the skin of his teeth.他赢了,但是...
A firefighter was overcome by fumes at a blaze in a plastics factory.一名消防队员在一家塑料厂的火灾中被烟熏倒了.John is a New York City firefighter.约翰是纽约市的一名消防员.The firefighter put his life in danger to extinguish the forest fire.消防员冒着生命危险扑灭...
Anyone who has been in a troubled relationship will sympathise with Sue…那些曾经恋爱不顺利的人都会同情休。It made clear to Carrie that he could not sympathise with her.嘉莉马上看清他无法理解她的感情,给她以同情.He didn't sympathise with the corporations...
We shall simply be resigning ourselves to extinction unless we carry on the four modernizations.如果不搞四个现代化,我们就只有束手待毙.He will announce tonight that he is resigning from office...他将于今晚宣布辞职。He pretended that resigning was pa...