Physics. Of (the decay of) a radioactive substance: not maintained at a constant level, due to the decay of a parent nuclide.
| 单词 | θ79572 |
| 释义 | the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [adjective] > not constant in decay (1) unsupported1941 Physics. Of (the decay of) a radioactive substance: not maintained at a constant level, due to the decay of a parent nuclide. |
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