quaternary ammonium 季铵 ; 季铵盐
Quaternary Ammonium Compounds 季铵化合物 ; 化物 ; 季胺类化合物
Total quaternary ammonium hydroxide 季铵总碱
quaternary ammonium polymer 季铵聚合物
quaternary ammonium salts 季铵盐 ; 四级铵盐 ; 药物为四级氨盐
quaternary ammonium hydroxide 季铵碱
chitosan quaternary ammonium salt 壳聚糖季铵盐
In their study, the scientists looked at quaternary ammonium compounds (QACs) that are used in many household cleaning goods.
在他们的研究中，科学家验证了在许多家居清洁产品中使用的季铵盐化合物。
The preparation methods of quaternary ammonium salt of chitosan at home and abroad, meanwhile were introduced, and heir advantages and shortcomings were compared.
对目前国内外壳聚糖季铵盐的制备方法加以介绍，并比较了它们的优缺点。
Praseodymium and neodymium could be deposited at lithium or quaternary ammonium amalgam electrode, but not at sodium amalgam electrode.
镨、钕在季铵汞齐电极和在锂汞齐电极上都能形成汞齐，而在钠汞齐电极上则不能。
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