The target of this paper is mainly focus on preparation high properties hollow fiber composite membrane and hollow fiber modules for alcohols aqueous dehydration.
本文以醇类有机物脱水为研究目标，主要开展有关中空纤维渗透汽化透水复合膜及其组件研制。
Firstly, we mainly introduces the common methods for the preparation of propargylic alcohols.
首先我们介绍了炔丙醇一般合成方法。
Firstly, we mainly introduces the common methods for the preparation of propargylic alcohols.
首先我们介绍了炔丙醇一般合成方法。
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