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
- 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 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 - According to the rules of radioactive decay, a difference equation of n component radioactive decay function is derived.
按照放射性衰变的规则，导出了n组分放射性衰变函数的差分方程。 - 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。 - To disintegrate or diminish by radioactive decay.
衰变由于放射性衰变而解体或缩小。 - 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 - 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 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。 - 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。 - 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。