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  2022, Vol. 41 Issue (9): 1820-1831    DOI: 10.13722/j.cnki.jrme.2021.1072
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Experiment study on influence of liquid nitrogen freeze-thaw on pore structure of coal based on nuclear magnetic resonance technology and mercury intrusion methods
CHU Yapei1,2,3,4,ZHANG Dongming2,3,WANG Man4,LIU Heng1,WU Xuyang1,ZHAI Panpan1,SHEN Tong1
(1. School of Civil and Traffic Engineering,Henan University of Urban Construction,Pingdingshan,Henan 467000,China; 2. School of Resource and Safety Engineering,Chongqing University,Chongqing 400044,China;3. State Key Laboratory of Coal Mine Disaster Dynamics and Control,Chongqing University,Chongqing 400044,China;4. State Key Laboratory of Coking Coal Exploitation and Comprehensive Utilization,Pingdingshan,Henan 467000,China)
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