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
- 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。 - 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 - 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。 - 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。 - So the single most common example of first order kinetics of this form is radioactive decay.
具有这种形势的最常见的，一阶动理学过程是放射性衰变。 - 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。 - 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。 - 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。 - 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。 - Measurement of geologic time, as through isotopic radioactive decay. radiocarbon 14 dating method
地质年代测定通过放射性同位素衰变来测定地质年代放射性碳14测定年龄法