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单词 quaternary ammonium compound
释义 quaternary ammonium compoundn.(名词)
  1. Any of a group of compounds in which a central nitrogen atom is joined to four organic radicals and one acid radical, used as antiseptics, solvents, and emulsifying agents.基铵化合物:一种化合物,其中中心氮原子与四个有机原子因和一个酸基相连接,用作防腐剂、溶剂和乳化剂
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