释义 |
quaternary ammonium compound kwəˈtə:nəriəˈməunjəmˈkɔmpaund 短语¹⁴⁴⁹⁷²⁺² 基本英英例句 季铵化合物
Noun: a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs 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。 cnki |