アルファほうかい
α崩壊
1. alpha decayPhysics
2. Alpha decayAlpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (two protons and two neutrons) and thereby transforms (or 'decays') into an atom with a mass number 4 less and atomic number 2 less. For example: 23892U → 23490Th + 42He which can also be written as: 238U → 234Th + α, since an alpha particle is the same as a helium-4 nucleus, which has mass number 4 and atomic number 2.
Read “Alpha decay” on English Wikipedia
Read “アルファ崩壊” on Japanese Wikipedia
Read “Alpha decay” on DBpedia
Read “Alpha decay” on English Wikipedia
Read “アルファ崩壊” on Japanese Wikipedia
Read “Alpha decay” on DBpedia
アルファ崩壊 【アルファほうかい】
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