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...
身体浸入水中就会明显减轻重量.When a body is immersed in a fluid , it apparently loses weight.那个大男孩将游泳池中所有的小男孩都短时浸入水中.The big boy ducked all the small boys in the swimming pool.他把头浸入小溪来使自己凉快.He ducked his head in the stream to get cool...
Conclusion: Xinqin granule do have the antagonism to histamine.结论: 辛芩颗粒对过敏性介质组织胺有确定的对抗作用.Histamine causes vasoconstriction and increased permeability of small venules.组织胺能引起血管收缩,并增强小静脉的透性.Histamine was considered the pri...
It looks like our competitors want to play hardball.看来,我们的竞争对手想采取强硬的手段.Dukakis has a history of enduring, even excelling at, hardball campaigns.杜卡基斯一向能承受, 甚至擅长选举硬仗.If you want to win this game, now it's time to hard...