Phenolic compounds and aromatic hydrocarbons are important substances in industry,which are normally from coal tar and c......

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　　Conventional quaternary ammonium salt surfactant, which is one of the most widely used cationic surfactant, has some......

Quaternary ammonium salts(QASs) are excellent candidates for treating stubborn bacterial infections caused by biofilms d......

In view of the problems of high injection pressure and low water injection rate in water injection wells of low permeabi......

非水滴定法可定量测定季铵盐N263浓度，预处理对测定结果有显著影响。适当量的碱可以将叔胺盐转化成游离胺，但过多的碱会产生较多的季......

某厂特种有机废水，含季铵盐和羟乙基纤维素。研究表明，他们在浓度分别超过１２０ｍｇ／Ｌ和２２０ｍｇ／Ｌ，羟乙基纤维素浓度小于２００ｍｇ／Ｌ时，它们不具生物毒性，可作为营养物质......

用长链季铵盐对蒙脱土进行交换反应，季铵盐嵌入到蒙脱土的层间。研究了季铵盐的种类，反应时间，反应配比及反应温度对交换反应的影响，用......