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。
2
Storage-stable organosilane quaternarycompounds are provided in the form of adducts with urea (clathrates).
本发明以与脲的加合物（笼形物）的形式提供储存稳定的有机硅烷季铵 化合物。
3
The extractants used in gold recovery include modified amines, quaternary ammonium salts, alkyl phosphorus esters of oxides and guanidino-based compounds.