A preparation method of azlocillin sodium was established.
本文报道阿洛西林的
备工艺。
A preparation method of azlocillin sodium was established.
本文报道阿洛西林的
备工艺。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化,分离出酚
和苯乙酮。
This paper investigated the technics of chlorophyll abstraction from spinage and the synthesis of chlorophyllous zinc sodium.
摘要文章研究了从天然植物中提取叶绿素的方法和叶绿素锌备的工艺。
The synthetic conditions and surface properties of disodium sulfosuccinate monoester of polyoxylethylene abietate(DSMPA) were investigated in the paper.
考察了松聚氧乙烯酯磺基
单酯二
的合成工艺条件,并测定了合成产物的表面化学性能。
Four new materials,such as carbon suspension,sodium sulfonate of polyoxyethylene allyl glycidyl nonyl phenyl ether,vanillyl alcohol,vanillin,etc,in lead-acid storage batteries were reviewed.
综述了铅蓄电池用碳素悬浊液的
备与作用方式以及在铅
蓄电池使用聚氧化乙烯烯丙基缩水甘油基壬基苯醚的硫
酯
、
草醇和
草醛的目的及作用机理。
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