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。 - Radioactive decay with emission of carbon nuclei
碳核发射放射性衰变 - My first thought was: hey! that looks like radioactive decay or something.
Rhett当时的第一反应就是这些数据看上去像是放射性衰变。 - Due to the randomness of radioactive decay and nuclear reaction, the signals from detectors are random in time.
由于核衰变和粒子反应的随机性，探测器给出的信号在时间上是随机的，但一般的信号发生器给出的都是周期性的信号。 - 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。 - 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 - Radon is a gas that comes from the radioactive decay of radium in rocks.
氡是来自岩石中镭辐射衰变而产生的气体。 - 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。