Nd-Hf同位素比值 Nd-Hf isotopic ratio
Sr-Nd同位素比值 Sr-Nd isotopic ratio
单体同位素比值 specific isotope ratio
氮同位素比值 nitrogen isotope ratio
锇同位素比值 osmium isotopic ratio
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
氦同位素比值 helium isotope ratio
铼同位素比值 Re isotopic ratio
硫同位素比值 sulfur isotope ratio
硼同位素比值 11B
气相色谱/燃烧炉/同位素比值质谱 Gas Chromatography-Combustion-Isotope ratio mass spectrometry
气相色谱-燃烧-同位素比值质谱 gas chromatography-combustion-isotope ratio mass s
气相色谱-燃烧-同位素比值质谱法 gas chromatography-combustion-isotope ratio mass s
气相色谱-燃烧-同位素比值质谱仪 gas chromatography-combustion-isotope ratio mass spectrograph
气相色谱-同位素比值质谱 gas chromatography isotope ratio monitoring mass spectrometry
气相色谱-同位素比值质谱技术 gas chromatography-isotope ratio mass spectrometry
气相同位素比值质谱仪 Gas isotope ratio mass spectrometer
铅同位素比值 Lead isotope ratio; Pb isotopic ratio; Pb isotope ratio; lead isotopic ratio; lead isotope ratios
氢同位素比值 hydrogen isotope ratio; Hydrogen isotopic ratio