本文介绍了分子蒸馏的概念基本原理及其分离特点.This paper describes the definition, basic principle and advantages of molecular distillation.尼古丁可以用蒸气蒸馏的方法从烟草废料中萃取.Nicotine can be extd. from tobacco waste by steam distn.这是一种使用罐馏器蒸馏的苹果渣白兰地.An Ame...
The announcement came after a three-hour Cabinet meeting in Downing Street.在唐宁街进行了长达3个小时的内阁会议后发布了这份公告。...Downing Street's press office.唐宁街新闻办公室Speaking outside Ten Downing Street, she declared that she would fight o...
the sunlight that searches the clouds穿透云层那耀眼的阳光Clouds are greying the sky.云层使天空灰暗....dispiriting clouds that enshrouded us in twilight.黄昏时令人心生沮丧的密布云团Dark clouds gloomed the streets.乌云使大街上阴沉沉地.Clouds scudded across the sk...
通货紧缩开始全面影响服装业。Deflation is beginning to take hold in the clothing industry.通货极度膨胀,物价失去控制.Inflation is running riot and prices are out of control.通货紧缩的意思是物价普遍下降, 通常随之而来的是利润降低,就业机会减少.Deflation means falling prices, usually...
回形引伸计的激励电压由商售的通用电源装置 ( 信号调制器 ) 来提供.Clip - gage excitation was supplied by a commercially available power supply ( signal conditioner ).集成光学中, 有源器件包括光源 、 调制器和探测器.In integrated optics , these components include light sourc...
钟面上的长短针指着五点十分.The clock hands pointed to ten minutes after five.那只钟面是夜光的.The clock dial is illuminated at night.因为钟面会发光所以你可以在黑暗中看见钟.The dial is luminous so you can see the clock in dark....
Today dermatologists agree that the experiments were not conducted well.今天,皮肤病学者承认,当时的实验操作上有误.Dermatologists consistently recommend the low - cost old favorites, but of good - quality.皮肤学家一致推荐物美价廉的老品牌.Dermatologists have...
More coincidentally, five of the midwives have been mothers of twins themselves.更为巧合的是, 医院中有五位助产士也分别是双胞胎的妈妈.Because the midwives feared God, He established households for them.出1:21收生婆因为敬畏神 、 神便叫他们成立家室.Certified nurse - ...