“beta decay”的概念、定义、翻译、参考文献-科学参考

单词	beta decay
释义	beta decay [`bād·ǝ di`kā] ^{NUCLEAR PHYSICS} Radioactive transformation of a nuclide in which the atomic number increases or decreases by unity with no change in mass number; the nucleus emits or absorbs a beta particle (electron or positron). Also known as beta disintegration.
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