1.
The radioactive wastes release a lot of energy due to radioactive disintegration.
由于放射性蜕变，放射性废料释放出大量的能量。
2.
Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.
α粒子是从天然放射性蜕变得到的带正电的氦核。
3.
Type of radioactive disintegration (see radioactivity) in which some unstable atomic nuclei dissipate excess energy by spontaneously ejecting an alpha particle.
放射性蜕变的一类,某些不稳定原子核自发射出一个α粒子以耗散过剩能量。
4.
The activity of a sample is defined to be the number of disintegrations per unit time.
样品的放射性定义为每单位时间的蜕变数目。
5.
After the discovery of the spontaneous transmutations of radio-elements, the achievement of the first artificial transmutations is due to Lord Rutherford.
放射性元素的自发性蜕变被发现后，路德福特勋爵首先在人工蜕变研究方面取得了成就。
6.
The amount of matter transformed cannot be weighed and the study of radiation alone has led to these conclusions.
物质蜕变的量无法测量，仅能靠放射性研究引导出这些结论。
7.
I shall now speak to you of the experiments which have led us to obtain by transmutation new radioactive elements.
我现在跟诸位讲讲那些使我们通过蜕变法获得新的放射性元素的实验。
8.
Each emission of an alpha or beta ray accompanies the transmutation of an atom; the energy communicated to these rays comes from inside the atom.
每一次a射线或b射线的放射都伴随着原子的蜕变，因为赋予这些射线的能量来自于原子的内部。
9.
radioactive decay with emission of carbon nuclei
碳核发射放射性衰变
10.
beta-plus decay radioisotope
正β衰变放射性同位素
11.
decay radioisotope
β衰变放射性同位素 β
12.
beta-minus decay radioisotope
负β衰变放射性同位素
13.
fission products radioisotopes
裂变产物放射性同位素
14.
radioactive recoi
放射性衰变引起的反冲
15.
Further energy is given off in their decays.
在它们蜕变时又放出一些能量。
16.
radiation resulting from radioactive decay.
由放射性衰变产生的辐射。
17.
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。
18.
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。