Internal magnetic field gradients as information source about porous media characteristics gradient and ζ = 〈
r2〉1/2/〈
R〉 is the ratio of the root-mean-square displacement of molecules to the average
Internal magnetic field gradients as information source about porous media characteristics gradient and ζ = 〈
r2〉1/2/〈
R〉 is the ratio of the root-mean-square displacement of molecules to the average