Physics. beta (or β) radiation, the second of three types of radiation emitted by radioactive substances, having greater penetrating power than…
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| 释义 | the world > matter > physics > atomic nucleus > radioactivity > beta radiation > [noun] > particle in (5) beta (or β) particle1899 Physics. beta (or β) radiation, the second of three types of radiation emitted by radioactive substances, having greater penetrating power than… Subcategories:— emission of (3) — substance emitting (1) |
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