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
- 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。 - His work was done before the discovery of radioactivity and the understanding that natural radioactive decay provides a source of heat to the earth.
他的工作是做了，才发现放射性和谅解，即天然放射性衰变提供热源，以地球。 - 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。 - 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。 - To disintegrate or diminish by radioactive decay.
衰变由于放射性衰变而解体或缩小。 - 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。 - Radiation resulting from radioactive decay.
由放射性衰变产生的辐射。 - 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。 - 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。 - 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。