同位素产额分布
isotopic yield distribution
地球年代学铅同位素比
lead isotope ratios in geochronology
放射性同位素比值
Radioisotopic ratio
Radioactive isotopic ratio
高精度Os同位素比值测量
high-precision measurement for isotopic ratio of o
high-precision measurement for isotopic ratio of osmium
过渡族金属元素同位素
transition metal isotopes