Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿尔法粒子是氦核，它们是放射性衰变的产物。
As radon progeny decay, they emit radioactive alpha particles and attach to aerosols, dust and other particles in the air.
氡子核在衰变时发射出放射性阿尔法粒子，这些粒子可附着于空气中的浮质、灰尘及其它粒子。
The radioactive displacement law of Fajans and Soddy was formulated to describe the products of alpha and beta decay.
法扬斯和索迪的放射性位移定律被用来描述α和β衰变的产物。
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。
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。
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