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A compound derived from ammonia and containing the bivalent NH group combined with a bivalent nonacid group.
在分析中用作钯或镍的沉淀剂的化合物。
Most of my mass is made up of the following three; water, methane, and ammonia NH 3.
水、甲烷和氨气。
Qu? nh was suddenly released from prison in October.
10 月,Qu? nh 突然出狱。
Qu? nh was reunited with her two children on the flight from Vietnam.
Qu? nh 在从越南飞来的航班上与她的两个孩子团聚。
The last thing that's done is the bonds between OH and NH.
最后要做的是 OH 和 NH 之间的键。
At first, Qu? nh did not consider herself to be a member of the press.
起初,Qu? nh 并不认为自己是新闻界的一员。
Qu? nh has spent time with her two children and her mother.
Qu? nh 与她的两个孩子和她的母亲共度时光。
铵根离子(英语:Ammonium,化学式:NH4)是由氨分子衍生出的正离子。氨分子与一个氢离子配位结合就形成铵离子(氨提供孤电子对)。
铵离子是正四面体型的,与甲烷互为等电子体。
NH4 or NH 4 or NH-4 may refer to:
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