In nuclear physics, 10−24 square centimetres, a unit of area used in the measurement of the cross-section of a nucleus.
| 单词 | θ79774 |
| 释义 | the world > matter > physics > atomic nucleus > [noun] > apparent area of > unit measuring (2) barn1947 In nuclear physics, 10−24 square centimetres, a unit of area used in the measurement of the cross-section of a nucleus. Subcategories:— smallest (1) |
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