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ruthenium
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化学元素。元素符号Ru,原子序数44,原子量101.07(2),属周期系Ⅷ族,铂系元素。
Astronomy
全称:ruthenium。缩写:Ru
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>无机化学>无机化学基本概念与无机化合物>释义
ruthenium
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