【摘要】 本文指出利用带电重粒子冲击原子核时所产生的γ射线来测定同位素丰度的可能性。在有合适的基本设备时,特别是在用一含有标准丰度的样品来作比较测定时,这方法是简便的。这是一种微量或超微量的分析方法。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。更多还原

【Abstract】 Possibilities of using the γ rays excited by bombardment of an element with heavy charged particles to determine its isotopic abundances are discussed. With necessary facilities, this method, essentially a microanalytical or ultramicroanalytical method, would be convenient, especially if. a sample containing definite isotopic abundances is used as a standard for comparison. Nuclear reactions and γ rays suitable for the determination of isotopic abundances of Li, B, C and N are enumerated.更多还原