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thorium
释义
thorium
Encyclopedia
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核燃料
释
thorium
钍
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
钍
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
钍
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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