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
- Radiation resulting from radioactive decay.
由放射性衰变产生的辐射。 - 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。 - Variations from place to place are due to factors such as rainfall, evaporation, biological activity and radioactive decay.
由于受降雨、蒸发、生物活动以及放射性衰变等因素的影响，不同的海区海水盐度也不同。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。