radioactive decay

英 [ˌreɪdiəʊˈæktɪv dɪˈkeɪ]

美 [ˌreɪdioʊˈæktɪv dɪˈkeɪ]

放射性衰变

医学化学

英英释义

noun

• the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  Synonym:decaydisintegration

双语例句

• 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。
• 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。
• 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。
• Radiation resulting from radioactive decay.
  由放射性衰变产生的辐射。
• 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。
• Unlike helium-4, it cannot be produced by radioactive decay.
  与氦－4不同之处是，氦－3不能由放射性衰变产生。
• 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。
• Chemistry also uses calculus in determining reaction rates and radioactive decay.
  化学也使用演算在确定反应速率和放射性衰变。
• 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。
• 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。