acidolysis hydrocarbon isotopic compositions
Carbon Isotopic Compositions
Compound-Specific Carbon Isotopic Compositions
Nd-Hf isotopic compositions
Noble Gas Isotopic Compositions
oxygen and carbon isotopic compositions of shells
Rb-Sr and Sm-Nd isotopic compositions
Sr-Nd-Hf isotopic compositions
Stable isotopic compositions
interdecadal variation and interannual variation
Seasonal variation of diurnal variation
~(15)N isotopic pool dilution
~(233)U isotopic target
~(39)Ar~-~(40)Ar isotopic age
15N isotopic pool dilution
40Ar-39Ar isotopic age
40Ar-39Ar同位素年龄
~(40)Ar/~(39)Ar同位素年龄
absolute isotopic abundance
absolute isotopic abundance of samarium