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。 - To disintegrate or diminish by radioactive decay.
衰变由于放射性衰变而解体或缩小。 - 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。 - 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。 - 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。 - 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。 - 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。 - Radioactive decay with emission of carbon nuclei
碳核发射放射性衰变 - 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。
