“promethium-147”的概念、定义、翻译、参考文献-科学参考

单词	promethium-147
释义	promethium-147 [prǝ`mē·thē·ǝm ¦wǝn¦fȯrd·ē`sev·ǝn] ^{NUCLEAR PHYSICS} Artificially produced rare-earth element with atomic number 61 and mass 147; produced during fission of ²³⁵U. Also known as florentium; illinium.
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