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
- 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。 - Electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength.
辐射性衰变放出的电磁射线，波长非常短。 - To disintegrate or diminish by radioactive decay.
衰变由于放射性衰变而解体或缩小。 - Radioactive decay with emission of carbon nuclei
碳核发射放射性衰变 - 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。 - Each element has at least one isotope with unstable nuclei that can undergo radioactive decay.
每个元素至少有一个同位素不稳定原子核可以进行放射性衰变。 - 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。 - 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。 - 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。 - 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。