网络释义专业释义英英释义
...乙酰基在化学中可以有很多含义。无机化学中，Ac可以指元素锕（Actinium），或乙酸根（CH3COO-，Acetate）；有机化学中，Ac一般指乙酰基（CH3C(O)-）。
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actinium emanation [核] 锕射气
actinium family 锕族 ; 锕系
actinium compound [化学] 锕化合物
eka actinium 类锕
actinium oxide [无化] 氧化锕
actinium decay series [核] 锕衰变系
actinium [ æk'tiniəm ]
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n.
a radioactive element of the actinide series; found in uranium ores
同义词： Ac atomic number 89
以上来源于: WordNet
柯林斯英汉双解大词典
actinium /ækˈtɪnɪəm/
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1.
N a radioactive element of the actinide series, occurring as a decay product of uranium. It is used as an alpha-particle source and in neutron production. Symbol: Ac; atomic no: 89; half-life of most stable isotope,227Ac: 21.6 years; relative density: 10.07; melting pt: 1051°C; boiling pt: 3200 ± 300°C 锕
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