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本文叙述用同位素稀释质谱法以浓缩~(150)Nd 为稀释剂、~(148)Nd 为燃耗监测体测定辐照后核燃料的燃耗,其精密度为1.8%。较详细地讨论了同量异位素的干扰和修正。
In this paper, isotope dilution mass spectrometry was used to concentrate ~ (150) Nd as diluent and ~ (148) Nd was used as fuel consumption monitor to measure the burnup of irradiated nuclear fuel with the precision of 1.8%. The isobaric interference and correction are discussed in more detail.