| 单词 |
promethium-147 |
| 释义 |
promethium-147
promethium-147[prə′mē·thē·əm ¦wən¦fȯrd·ē′sev·ən] (nuclear physics) Artificially produced isotope with atomic number 61 and mass 147; produced during fission of 235U. Also known as florentium; illinium. |
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