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thorium
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thorium
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thorium
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天然放射性元素。元素符号Th,原子序数90,原子量232.0381,锕系放射性元素。
理学
放射性元素
释
thorium
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天然放射性元素,元素符号Th,原子序数90,原子量232.0377。属周期系ⅢB族,锕系元素。以北欧神话中的雷神托尔(Thor)命名。
Physics
thorium
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90
Th
{化}
Astronomy
thorium
缩写:Th。钍
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
thorium
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thoughts on people's newspaper
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thousand
Thousand and One Nights
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Thousand-Character Classic
Thousand-Character Classic by Zhang Bi
Thousand-Character Classic in Running Script by Zhi Yong
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Thousand Islands National Park
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thousands period
Thr
Thrace Cemetery
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thrashing
thraustics
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