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 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。 - 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。 - 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； - From their work emerged the picture of radioactive decay that is still valid-a violently disruptive explosion of a single atom.
根据他们的工作，展现出至今仍然成立的关于放射性衰变的图象&单个原子的强烈的分裂性爆炸。 - Radiation resulting from radioactive decay.
由放射性衰变产生的辐射。 - 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 - Chemistry also uses calculus in determining reaction rates and radioactive decay.
化学也使用演算在确定反应速率和放射性衰变。 - 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。 - Radon is produced from the natural radioactive decay of uranium, which is found in rocks and soil.
它产生于可在岩石和土壤中找到的铀自然的放射性衰变。 - 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。