“neptunium decay series”的概念、定义、翻译、参考文献-科学参考

单词	neptunium decay series
释义	neptunium decay series [nep`tü·nē·ǝm di`kā ´sir·ēz] ^CHEMISTRY Little-known radioactive elements with short lives; produced as successive series of decreasing atomic weight when uranium-237 and plutonium-241 decay radioactively through neptunium-237 to bismuth-209.
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