衰变
近义词与同义词
按词义分组列出，使用时请结合具体语境。
radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle
lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process"
the process of gradually becoming inferior
基本解释
放射性元素的原子核因放射出α粒子或β粒子而转变成另一种元素的原子核的过程。不稳定的粒子自发放出粒子辐射转变成新粒子的过程也称衰变。