两者通过普通的分馏彼此分离.It can be separated from each other by ordinary fractional distillation.气体分馏 - 间歇式聚丙烯联合装置中一些气体的排放会造成很大的浪费和环境污染.The gases light - ends unit may cause serious waste and environment pollution.分馏法只属物理方法,不能分解化合物...
The Fresno police were doing their best to control the crowd now.弗利斯诺的警察当局现在正尽力维持秩序.I know a good body shop in Fresno if it's insured.我知道弗雷诺斯有个很好的店,他们有保险.That's what you said when we moved from Fresno after dad...
Preparation of salicylic hydrazide . Controlling material mole ratio and the product recrystallization is the key.水杨 酰肼的制备控制原料的摩尔比、产物的重结晶是关键....the degradation of salicylic acid in plants.植物中水杨酸的降解Topical ointments and c...
The southeastern corner under the water tank entirely collapsed.水箱下东南角部分完全毁坏了.We were staying in southeastern Kansas.我们当时呆在堪萨斯的东南部.That's good. We don't sell much in Southeastern Asia, do we?这是好事. 我们在东南亚的销售并不多,...