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词典

半衰期的意思

bànshuāiqī

半衰期

拼音bàn shuāi qī
注音ㄅㄢˋ ㄕㄨㄞ ㄑ一
词性名词
港台半生期 半壽期 半排出期 半電池電位

词语解释

半衰期[ bàn shuāi qī ]

⒈  放射性物质的原子数从开始存在到衰变成一半所需的时间。

英half-life; half-life period;

国语辞典

半衰期[ bàn shuāi qí ]

⒈  具有放射性的元素，其放射性衰变至一半量时所需的时间，称为「半衰期」。

英语half-life

德语Halbwertszeit (S, Chem)​

法语demi-vie, période radioactive

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