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
- 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。 - 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。 - 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。 - Dry deposition, vertical diffusion, washout and radioactive decay were considered.
模型考虑了干、湿沉降、垂直扩散以及放射性衰变； - 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。 - To disintegrate or diminish by radioactive decay.
衰变由于放射性衰变而解体或缩小。 - Radioactive decay of the nuclides in the process of the gravitational constant decrease
核素在引力常数减小过程中的放射性衰变 - 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。 - 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。