quaternary ammonium
plural of Veblen good
Any hadrosaurid of the tribe Parasaurolophini
(now rare) That foils a plot; interfering.
(chemistry) An ammonium group in which each hydrogen has been replaced by an alkyl or aryl group
その消毒剤には各水素がアルキル基またはアリール基に置換されたアンモニウム基を持つ化合物が含まれており、それが細菌の細胞膜を破壊しました。
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