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单词 mass defect
释义 mass defect
1 The difference between the rest mass of an atomic nucleus and the sum of the rest masses of its individual nucleons in the unbound state. It is thus the mass equivalent of the binding energy on the basis of the mass-energy equation (see mass; relativity).
2(mass decrement) The difference between the rest mass of a radioactive nucleus before decay and the total rest mass of the decay products.
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更新时间:2025/6/23 0:18:15