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房屋中子的回顾性测定

C Samuelsson1

  • 1Department of Radiation Physics, University of Lund, University Hospital, Sweden.

Nature
|July 28, 1988
PubMed
概括

测量室内子子暴露是具有挑战性的,因为长时间的潜伏期. 这项研究引入了一种使用玻璃表面估计累积子水平的方法,有助于未来的肺癌研究.

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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.