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According to the relations of pixel signal intensity with the repetition time TR and echo time TE in spin-echo single slice imaging pulse sequence, by combining the multi-exponential relaxation procedure of fluids saturated in porous media, tlle information about pore structure of the tested rock is obtained with T1- and T2-weighted microimagings. The macro- and micro-pore regions can be distinguished with the information.
According to the relations of pixel signal intensity with the repetition time TR and echo time TE in spin-echo single slice imaging pulse sequence, by combining the multi-exponential relaxation procedure of fluids saturated in porous media, tlle information about pore structure of the tested rock is obtained with T1- and T2-weighted microimagings. The macro- and micro-pore regions can be distinguished with the information.