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 first type discovered -- alpha decay -- is when a radioactive particle emits a Helium nucleus !
我们发现的第一种衰变方式——阿尔法衰变——是放射性粒子产生氦分子！
Upon gaining two electrons the alpha particle becomes a helium atom.
粒子获得两个电子之后就变成了氦原子。
A single alpha particle generates a track of from 30,000 to 70,000 positive and negative ions per cm, which may be polarized and moved about by ambient electric fields.
一个单个的阿尔法粒子能够产生每厘米30000到70000个正、负离子的踪迹，这些粒子可能受到周围电场的作用而极化或运动。
A single alpha particle generates a track of from 30,000 to 70,000 positive and negative ions per cm, which may be polarized and moved about by ambient electric fields.
一个单个的阿尔法粒子能够产生每厘米30000到70000个正、负离子的踪迹，这些粒子可能受到周围电场的作用而极化或运动。
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