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单词 radiocesium
释义

radiocesium /ˌreidiəu'si:ziəm/

英汉-汉英词典
n. 放射铯,放射性铯
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radiocesium 放射性铯
英语百科

Caesium-137

Cs-137 Decay Scheme
Cs-137 γ-spectrum

Caesium-137 (137
55
Cs
, Cs-137), cesium-137, or radiocaesium, is a radioactive isotope of caesium which is formed as one of the more common fission products by the nuclear fission of uranium-235 and other fissionable isotopes in nuclear reactors and nuclear weapons. It is among the most problematic of the short-to-medium-lifetime fission products because it easily moves and spreads in nature due to the high water solubility of caesium's most common chemical compounds, which are salts.

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更新时间:2025/6/22 6:26:17