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理学
放射性元素
释
polonium
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天然放射性元素,元素符号Po,原子序数84,半衰期最长的同位素的质量数209,属周期系ⅥA族。为纪念居里夫人[注]的祖国波兰(Poland)而命名。
Astronomy
全称:polonium。缩写:Po
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Chemistry
>放射化学与辐射化学>放射性元素化学>释义
polonium
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relativistic quantum molecular quantum mechanics
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relativistic self-focusing
relativistic shift
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relativistic statistical mechanics
relativistic thermodynamics
relativistic travelling wave tube
relativistic velocity
relativistic velocity addition formula
relativistic wave equation
relativistic wave equations
relativistic zone
relativity
relativity of simultaneity
relativity principle
relativity shift
relativity theory
relativization
relativization of a topology
relativized arithmetical hierarchy
relativized enumeration theorem
relativized formula
relativized halting problem
relativized recursion theorem
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