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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

    • 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。
    • 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。
    • This paper discusses basic principle, working method and data processing of radon surveying. Considering radioactive decay of radon surveying data and many disturbing factors in actual work, we require analysis, emendation and processing of actual data.
      在论述了测氡法的基本原理、工作方法及数据处理的基础上,针对测氡数据放射性衰变的特点和在实际工作中受干扰因素较多等原因,对实测数据进行分析、校正与处理。
    • To disintegrate or diminish by radioactive decay.
      衰变由于放射性衰变而解体或缩小。
    • 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。
    • Due to the randomness of radioactive decay and nuclear reaction, the signals from detectors are random in time.
      由于核衰变和粒子反应的随机性,探测器给出的信号在时间上是随机的,但一般的信号发生器给出的都是周期性的信号。
    • My first thought was: hey! that looks like radioactive decay or something.
      Rhett当时的第一反应就是这些数据看上去像是放射性衰变。
    • 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。
    • 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。