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
- 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。 - In it he explains that this churn of knowledge is like radioactive decay: you cannot predict which individual fact is going to succumb to it, but you can know how long it takes for half the facts in a discipline to become obsolete.
在书中他解释说知识的新旧交替如同放射性衰变，你无法预知某项特定知识是否会受这种衰变效果影响而被淘汰，但你能够找出某一领域的知识在多久之后会有一半被淘汰。 - 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。 - However, some of the minerals contain xenon isotopes unlike those usually produced by radioactive decay of uranium.
然而，有些含氙同位素的矿物并非如此，是由铀的放射性衰变产生的。 - Radioactive decay with emission of carbon nuclei
碳核发射放射性衰变 - 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。 - Radon is produced from the natural radioactive decay of uranium, which is found in rocks and soil.
它产生于可在岩石和土壤中找到的铀自然的放射性衰变。 - 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。 - 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。