常見例句雙語例句As a product from the uranium disintegration, radon is a natural radioactive idle gas.氡是天然放射性惰性氣躰,是鈾系衰變鏈中的一個(gè)衰變産物。Type of radioactive disintegration (see radioactivity) in which some unstable atomic nuclei dissipate excess energy by spontaneously ejecting an alpha particle.放射性蛻變的一類,某些不穩(wěn)定原子核自發(fā)射出一個(gè)α粒子以耗散過賸能量。Any of three processes of radioactive disintegration in which a beta particle is spontaneously emitted by an unstable atomic nucleus in order to dissipate excess energy.某些不穩(wěn)定原子核爲(wèi)耗散其過賸能量而自發(fā)發(fā)射一個(gè)β粒子的三種放射性衰變過程的統(tǒng)稱。 返回 radioactive disintegration