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radioactive decay

英 [ˌreɪdiəʊˈæktɪv dɪˈkeɪ]

美 [ˌreɪdioʊˈæktɪv dɪˈkeɪ]

放射性衰变

医学化学

英英释义

noun

  • the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
      Synonym:decaydisintegration

    双语例句

    • 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。
    • 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。
    • 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。
    • 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;
    • 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。
    • Mathematical relationship between Rn daughter concentrations and ventilation, adhesion and deposition, and radioactive decay was developed in the paper.
      本文给出了氡子体浓度和通风、附着和沉积、以及放射性衰变之间的关系。
    • 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。
    • To disintegrate or diminish by radioactive decay.
      衰变由于放射性衰变而解体或缩小。
    • 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。
    • 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。