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。 - Unlike helium-4, it cannot be produced by radioactive decay.
与氦－4不同之处是，氦－3不能由放射性衰变产生。 - 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 - Radioactive decay with emission of carbon nuclei
碳核发射放射性衰变 - Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的气体。 - 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 - She notes that the theory does not totally explain all of the excess heavy xenon in the atmosphere, nor for additional xenon made from the radioactive decay of uranium and plutonium in rocks.
斯人指出，该理论对重氙同位素在大气中过量之解释并非完全；亦未能解释铀与钚之放射性衰变在岩石中遗下之附加氙。 - According to the rules of radioactive decay, a difference equation of n component radioactive decay function is derived.
按照放射性衰变的规则，导出了n组分放射性衰变函数的差分方程。 - The radiation of alpha particles during radioactive decay.
在放射性衰变的过程中放出α粒子的辐射。 - Dry deposition, vertical diffusion, washout and radioactive decay were considered.
模型考虑了干、湿沉降、垂直扩散以及放射性衰变；