| 释义 |
Alpha particles
基本例句
α粒子原型alphaparticle的复数When we breathe in radon, thealpha particlesemitted in the decay process will cause damage to our lung tissue.氡气在衰变过程中会放出粒子,当我们吸入氡气时,我们的肺部便会受粒子影响。
Alpha particles are positively charged helium nuclei obtained from natural radioactive decay.粒子是从天然放射性蜕变得到的带正电的氦核。
Millions ofalpha particleswent straight through the nitrogen gas without touching any of its atoms. But now and then there came a direct hit on a nitrogen nucleus, which split it.成百上千万的粒子没有碰到氮原子就穿过了充满氮气的试管，但时不时的总有一些粒子会击中并分裂氮原子。
Over 25 isotopes of Polonium are known, with atomic masses ranging from 192 to 218. Polonium-210, the predominant isotope of polonium, is radioactive and emitsalpha particleson decay.现时已知道钋元素有25个同位素,它们的质量数由192至218,钋210是当中显著的一个同位素,具放射性特徵,会释出放射性阿尔法粒子。
Aluminium can be transformed,by the capture of an alpha particle and the emission of a proton,into a stable silicon atom.铝可以通过俘获取粒子、排出质子而被蜕变成一种稳定的硅原子。
Aluminium can be transformed, by the capture of an alpha particle and the emission of a proton, into a stable silicon atom.铝可以通过俘获。粒子、排出质子而被蜕变成一种稳定的硅原子。 |