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砂的放射性碳测年方法

M S Baxter1, A Walton

  • 1Department of Chemistry, University of Glasgow.

Nature
|March 7, 1970
PubMed
概括

No abstract available in PubMed .

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Radioactivity is a spontaneous disintegration of an unstable nuclide and is a random process, as all the nuclei in the sample do not decay simultaneously. The number of disintegrations per unit time is called the activity (A), which is directly proportional to the number of nuclei in the sample. The decay constant (λ) is an average probability of decay per nucleus in unit time.