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...
顶盖必须用焦油纸或塑料封闭.The pit cover should be sealed over with tar paper or plastic.泥煤焦油的性质和由木材干馏所得到的焦油的性质相似.Peat tar has similar properties to the tar derived from the destructive distillation of wood.以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的...
高岗有什么光明面占优势呀?What predominant bright side is there in Kao Kang's case?张国焘是搞阴谋诡计的.高岗是搞阴谋诡计的.Zhang Guotao engaged in conspiracy, and so did Gao Gang.所以反对高岗的斗争还要肯定.Therefore, we should reaffirm that it was correct to s...