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1·Cationics are usually quaternary ammonium salts.

阳离子表面活性剂通常为季铵盐类。

2·An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized.

设计合成了聚丙烯酰胺季铵盐类的抗静电剂。

3·This method does not produce or require the handling of corrosive quaternary ammonium hydroxides.

这一方法不产生或不要求处理腐蚀性的季铵氢氧化物。

4·Four new types of organic siloxane surfactants with quaternary ammonium group have been obtained.

通过多步骤合成了四种含有季铵基的有机硅表面活性剂。

5·In this dissertation, the chemical properties of bromomethyl quaternary ammonium salts were studied.

本论文研究了溴甲基季铵盐的反应性质。

6·Sodium-montmorillonite was modified with different quaternary ammonium salts through the ion-exchange method.

采用离子交换法将不同季铵盐插层到钠基蒙脱土中制备了改性蒙脱土。

7·The quaternary ammonium salt and hydroxy ethyl cellulose were contained in a special organic chemical wastewater.

某厂特种有机废水，含季铵盐和羟乙基纤维素。

8·Organic complexes of montmorillonite were prepared by modifying montmorillonite with certain quaternary ammonium.

对无机膨润土进行了聚胺改性，得到有机复合膨润土。

9·Montmorillonite was ion exchanged with quaternary ammonium salt, which was intercalated into the crystal layers of MMT.

用长链季铵盐对蒙脱土进行离子交换反应，季铵盐嵌入到蒙脱土的层间。

10·The quaternary ammonium salts of liensinine differ from d-tubocurarine by one less ether linkage in chemical structure.

莲心碱的季铵盐与箭毒块茎碱的化学结构不同，缺少一个氧醚键。