轻元素丰度

  • Abundance of light elements;【天】light element abun dance
轻元素丰度轻元素丰度
  1. 此仪器可用于气体分析以及轻元素的同位素丰度测定。

    This instrument can be used for gas analysis and determine of isotopic abundance of light elements .

  2. 测定锂,硼,碳,氮等轻元素的同位素丰度时适用的核反应及γ射线在第四节中逐项讨论。

    Nuclear reactions and γ rays suitable for the determination of isotopic abundances of Li , B , C and N are enumerated .