low permeability and extremely low permeability oilfield

~(15)N isotopic pool dilution

~(233)U isotopic target

~(35)S-isotopic exchange

~(39)Ar~-~(40)Ar isotopic age

13 C isotopic tracer

13C-isotopic tracer

15N isotopic dilution

15N isotopic pool dilution

2 - D Transversely Isotropic Media

2π-isotropic Irradiation

35S-isotopic exchange

3-D isotropic harmonic oscillator

3-D isotropic media

3D transversely isotropic medium

40Ar-39Ar isotopic age

absolute isotopic abundance

absolute isotopic abundance of samarium

acidolysis hydrocarbon isotopic compositions