| 单词 |
neptunium decay series |
| 释义 |
neptunium decay series neptunium decay series[nep′tü·nē·əm 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. |
| 随便看 |
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