...This condition is satisfied everywhere inside normal stars, and combined with the condition of mechanical equilibrium, the internal structure of the star is stable and the star's radiation is constant. [Osawa Kiyoteru] (3) When radioactive nuclides undergo continuous decay (or disintegration), a specific quantitative relationship is established between the two nuclides under special conditions (radioactive equilibrium). Let us now consider the decay process in which nuclide A passes through B and reaches C. ... *Some of the terminology that mentions "radioactive equilibrium" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ふつうの恒星の内部ではいたるところでこの条件が満足されており,力学的平衡の条件と相まって星の内部構造は安定し,星の放射は定常的になっているわけである。【大沢 清輝】(3)放射性核種が連続的に崩壊(または壊変)を引き起こすとき,特別な条件下に二つの核種間に特定の量的な関係が成立する状態をいう(radioactive equilibrium)。いま核種AがBを経てCに至る崩壊過程を考える。… ※「radioactive equilibrium」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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