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※ 半角英数字
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体内で刻まれる宇宙の歴史

A History of the universe continuing in our body

関根 俊明

Sekine, Toshiaki

本稿は、日本化学会創立125周年記念群馬化学展に関して企画された新聞連載において、化学元素はその起源において放射線と関連していること知って貰うために執筆した。K-40を材料として、天然放射性元素の存在と、K-40の起源が宇宙の星にあることを述べた。

This paper is written as one of the series on a news paper relevant to the Gunma Chemistry Exhibition to be held in commemoration of the 125th anniversary of the Chemical Society of Japan, telling readers that the origin of chemical elements is related to the radiation. As an example, K-40 is chosen for description of the fact that there exist natural radioactive elements. It is also mentioned that the origin of K-40 is ascribable to stars in the universe.

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