Nuclear fission energy

Japanese: 核分裂エネルギー - かくぶんれつえねるぎー
Nuclear fission energy

...In the sense that the energy generated is large and can be used as an energy source, the energy generated by two types of nuclear reactions is noteworthy: nuclear fission, in which one atomic nucleus splits into two or three separate atomic nuclei, and nuclear fusion, in which two different atomic nuclei fuse together to form one new atomic nucleus. The former is called nuclear fission energy, and the latter is called nuclear fusion energy.
[Nuclear fission and nuclear fusion]
Heavier elements are more likely to undergo nuclear fission.

*Some of the terminology that refers to "nuclear fission energy" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…発生するエネルギーが大きく,それをいわゆるエネルギー源として利用しうるという意味では,1個の原子核が2ないし3個の別の原子核に分裂してしまう核分裂と,2個の異なる原子核が融合して1個の新しい原子核になってしまう核融合という2種類の核反応によって発生するエネルギーが注目される。前者を核分裂エネルギー,後者を核融合エネルギーという。
[核分裂と核融合]
 核分裂は重い元素ほど起こしやすい。…

※「核分裂エネルギー」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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