... neptunium family镎族 neptunium series镎族 nernst ettingshausen effect能斯特 厄廷格好森效应 ...
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neptunium decay series [核] 镎衰变系
N a radioactive series that starts with plutonium-241 and ends with bismuth-209. Neptunium-237 is the longest-lived member of the series. The series does not occur in nature 镎族
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