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- delayed alpha particle 缓发α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。
- The nature of the nuclear transformation could be firmly established: the aluminium atom,for example,captures the alpha particle and is transformed,after expelling the proton,into an atom of silicon. 核蜕变的性质因此得到确立。例如,铝原子俘获。粒子,并在排出质子后蜕变成硅原子。
- The nature of the nuclear transformation could be firmly established: the aluminium atom, for example, captures the alpha particle and is transformed, after expelling the proton, into an atom of silicon. 核蜕变的性质因此得到确立。 例如,铝原子俘获。 粒子,并在排出质子后蜕变成硅原子。
- alpha particle ionization detector α粒子电离检测器
- When we breathe in radon, the alpha particles emitted 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。
- He lost his way, which delayed him considerably. 他迷了路,这使他耽搁了很久。
- Millions of alpha particles went 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。
- Our sailing boat was delayed by contrary winds. 我们的帆船被逆风耽搁了。
- 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 emits alpha particles on 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。
- It may well be that the train is delayed. 很有可能火车晚点了。
- He is delayed because his taxi has an accident. 由于他的出租车出了故障,他被耽误了。
- The train was delayed because of ice on the line. 火车因铁轨结冰而误点。
- The flight was delayed owing to technical reasons. 这次飞行由于技术的原因而被推迟。
- His long absence from work delayed his promotion. 他长期不上班,把他的提升给耽误了。
- The researches are concerned with alpha rays. 这些研究是关于阿尔法射线的。
- The plane's landing was delayed because of fog. 飞机因大雾推迟降落。
- There wasn't a particle of truth in what he said. 他说的没有一点真话。