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

• 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。
• Radioactive decay with emission of carbon nuclei
  碳核发射放射性衰变
• 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。
• 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。
• 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。
• 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
• 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。
• 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 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。