[10] MENG F D, ZHAI Y, LI Y B, et al. Research on the effect of pore characteristics on the compressive properties of sandstone after freezing and thawing[J]. Engineering Geology, 2021, 286: 106088.
[11] WANG Y Z, YANG W C, GE Y, et al. Analysis of freeze-thaw damage and pore structure deterioration of mortar by low-field NMR[J]. Construction and Building Materials, 2022, 319: 126097.
[12] ZHAO H T, DING J, HUANG Y Y, et al. Experimental analysis on the relationship between pore structure and capillary water absorption characteristics of cement-based materials[J]. Structural Concrete, 2019, 20(5): 1750-1762.
[13] ZHAO H T, WU X, HUANG Y Y, et al. Investigation of moisture transport in cement-based materials using low-field nuclear magnetic resonance imaging[J]. Magazine of Concrete Research, 2021, 73(5): 252-270.
[17] TOUMELIN E, TORRES-VERDN C, SUN B Q, et al. Random-walk technique for simulating NMR measurements and 2D NMR maps of porous media with relaxing and permeable boundaries[J]. Journal of Magnetic Resonance, 2007, 188(1): 83-96.
[19] QIN L, ZHAI C, LIU S M, et al. Fractal dimensions of low rank coal subjected to liquid nitrogen freeze-thaw based on nuclear magnetic resonance applied for coalbed methane recovery[J]. Powder Technology, 2018, 325: 11-20.
[20] ZHAI C, QIN L, LIU S M, et al. Pore structure in coal: pore evolution after cryogenic freezing with cyclic liquid nitrogen injection and its implication on coalbed methane extraction[J]. Energy & Fuels, 2016, 30(7): 6009-6020.