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质量数
释义
质量数
Encyclopedia
理学
质量数
释
mass number
质量数
原子核内质子数Z和中子数N的总和。通常用符号A来表示,按照规定,质量数写在元素符号的左上方,核电荷数写在符号的左下方,如、。
Physics
原子核物理学、粒子物理学
原子核物理学
mass number
质量数
>原子核物理学>原子核基本性质>释义
mass number
质量数
mass number
质量数
†
nucleon number
核子数
†
,质量数
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outdegree of a vertex
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outdoor fire water consumption
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