beta decay
柯林斯词典
1. N the radioactive transformation of an atomic nucleus accompanying the emission of an electron. It involves unit change of atomic number but none in mass number β衰變 (Also called beta transformation, beta process)
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1. N the radioactive transformation of an atomic nucleus accompanying the emission of an electron. It involves unit change of atomic number but none in mass number β衰變 (Also called beta transformation, beta process)