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单词
quaternary ammonium base
释义
quaternary ammonium base
quaternary ammonium base
[
′kwät·ən‚er·ē ə¦mō·nē·əm ′bās
]
(organic chemistry)
Ammonium hydroxide (NH
4
OH) with the ammonium hydrogens replaced by organic radicals, such as (CH
3
)
4
NOH.
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更新时间:2026/2/27 20:25:33