放射衰变
1. 放射性衰变:科学家相信,在灶神星某位置点曾经被迅速加热,然后熔化成金属及矽酸盐的核心;类似的过程也曾发生在地球上. 这个过程的能量经由放射性衰变(radioactive decay)所释放出来,在早期的太阳系大量出现,但不清楚的是这个过程何时发生.
2. 放射性蜕变:放射性定年法 radioactive age determination | 放射性蜕变 radioactive decay | 放射性元素 radioactive element
3. 輻射衰變:根;基 RADICAL | 輻射衰變 RADIOACTIVE DECAY | 放射性廢棄物 RADIOACTIVE WASTE
1. Researchers used a dating method that exploits the radioactive decay of uranium and thorium atoms to helium atoms in a phosphate mineral known as apatite.
noun
1. the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
Synonym: decay disintegration