actinium
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n. [化学] 锕（元素符号Ac）
n.
锕；
英英释义
actinium[ æk'tiniəm ]
n.a radioactive element of the actinide series; found in uranium ores
同义词：Acatomic number 89
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actinium (n.)
radioactive element discovered in 1899, from Greek actin-, comb. form of aktis (genitive aktinos) "ray, radiance" (see actino-) + chemical suffix -ium.
1. All are radioactive and have similar properties to actinium.
这些元素都有放射性，而且性质与锕相似。
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2. Discovery of element actinium by French chemist Andr…-Louis Debierne.
法国化学家安德烈一路易·德比埃尔内发现锕元素。
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3. Actinide: Any of the series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89-103).
锕系：周期表中从锕到铹（原子序数89～103）的十五个依次排列的一组化学元素。
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4. But was pulls out empties entire heart to love your actinium.
而是掏空了整个心在爱你锕。
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5. There are three naturally occurring radioactive series - the thorium series, the actinium series, and the uranium series.
有三个天然存在的放射系列，即钍系、锕系和铀系。
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6. There are three naturally occurring radioactive series - the thorium series, the actinium series, and the uranium series.
有三个天然存在的放射系列，即钍系、锕系和铀系。
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7. a radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
一种碱金属属的放射性元素，是锕瓦解的产物。
-- 来源 -- 汉英 - 翻译参考
8. actinium complex
锕络合物
-- 来源 -- 英汉 - 翻译参考[网络]
9. a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium.
15个从锕到铹的原子量递增的放射性元素。
-- 来源 -- 汉英 - 翻译参考
10. actinium hydroxide
氢氧化锕
-- 来源 -- 英汉 - 翻译参考[网络]
11. Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium, etc.
自那以后发现的其他放射性元素有：锄、放射性钍和新针、镍，等等。
-- 来源 -- science - 汉英
12. "The natural series are the thorium series, the uranium series, and the actinium series. These are headed by naturally occurring species of unstable nuclei that have half-lives comparable to the age of the earth."
天然的放射性系是钍系、铀系和锕系。这三个系领头的元素都是天然存在的不稳定原子核,其半衰期与地球的年龄差不多。
-- 来源 -- 英汉 - 翻译样例 - 自然
13. Actinide: Any of the series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89-103).
锕系:周期表中从锕到铹(原子序数89～103)的十五个依次排列的一组化学元素。
-- 来源 -- 英汉 - 翻译样例 - 自然
14. actinium compound
锕化合物
-- 来源 -- 英汉 - 翻译参考[网络]
15. a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
一种存在周期短的放射性金属元素，由铀形成，能分裂成锕然后分裂成铅。
-- 来源 -- 汉英 - 翻译参考
16. actinium isotope
锕同位素
-- 来源 -- 英汉 - 翻译参考[网络]
actinium
