radioactive decay
英 [ˌreɪdiəʊˈæktɪv dɪˈkeɪ]
美 [ˌreɪdioʊˈæktɪv dɪˈkeɪ]
放射性衰变
英英释义
noun
- the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
双语例句
- Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿尔法粒子是氦核，它们是放射性衰变的产物。 - However, some of the minerals contain xenon isotopes unlike those usually produced by radioactive decay of uranium.
然而，有些含氙同位素的矿物并非如此，是由铀的放射性衰变产生的。 - Rutherford first identified the action of probability in radioactive decay.
卢瑟福首先认识到几率在放射性衰变中的作用。 - To disintegrate or diminish by radioactive decay.
衰变由于放射性衰变而解体或缩小。 - Measurement of geologic time, as through isotopic radioactive decay. radiocarbon 14 dating method
地质年代测定通过放射性同位素衰变来测定地质年代放射性碳14测定年龄法 - Radioactive decay of the nuclides in the process of the gravitational constant decrease
核素在引力常数减小过程中的放射性衰变 - It had been used for practical ends, to identify elements and to unravel radioactive decay chains.
已将其用于实践的目的，去鉴别元素和阐明放射性衰变系。 - Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
α粒子是从天然放射性蜕变得到的带正电的氦核。 - Radiation resulting from radioactive decay.
由放射性衰变产生的辐射。 - For example, Earth's atmosphere contains only traces of helium and hydrogen, created by processes such as radioactive decay.
比如说，地球的大气中只含有由诸如放射性衰变之类的过程所产生的痕量的氦和氢。