From the generalized model of a radioactive decay chain,a new approach is presented for solving the equations of succesive decay.
从放射性衰变链的一般物理模型出发，利用Ｅ因子函数及其递推关系，给出了求解放射性递次衰变方程的一种新方法，这种解法数学上容易推导，物理上直观易懂，便于在计算机程序上实现。
Due to radioactivity decay phenomenon of radioactivity measuring nuclide,Rn and its daughter radioactive decay and statistical fluctuation characteristics,this paper designs a program on the measurement of Rn data correction time by VB.
由于放射性测量中核素的放射性衰变现象,氡及其子体放射性衰变和统计涨落特点,运用VB技术对测氡数据时间校正进行程序设计。
Based on the geology and tectonics of the Suichuan Reshui strike slip fault zone(SRF),and the Lujing uranium ore field located in the pull apart stepover of SRF,and abundances of heat producing elements(U,Th,K) of the Yanshanian granite hosting the uranium deposits,the radiogenic heat of the granite is calculated.
根据遂川—热水走滑断裂及其拉分叠接带的鹿井铀矿田的地质构造、矿化特征和产铀花岗岩中生热元素的平均含量 ,对矿田内花岗岩的放射性衰变热进行了初步的计算。
radioactive decay with emission of carbon nuclei
碳核发射放射性衰变
radioactive recoi
放射性衰变引起的反冲
To disintegrate or diminish by radioactive decay.
衰变由于放射性衰变而解体或缩小
radiation resulting from radioactive decay.
由放射性衰变产生的辐射。
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。
radiation of beta particles during radioactive decay.
在放射性衰变的过程中放出β粒子的辐射。
The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay.
半衰期放射性样品的原子核经历一半放射性衰变所需要的时间
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。
The residual nucleus will, in general, undergo a radioactive transformation.
剩余核一般说来将发生一次放射性衰变。
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。
The immediate product of the radioactive decay of an element.
继承元素某种元素放射性衰变的直接产物
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
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。
beta-plus decay radioisotope
正β衰变放射性同位素
decay radioisotope
β衰变放射性同位素 β
beta-minus decay radioisotope
负β衰变放射性同位素
electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength.
辐射性衰变放出的电磁射线，波长非常短。
The radioactive transformation giving rise to these electrons was known as beta decay.
产生这种电子的放射性变化，称为β衰变。