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Research and practice on forced thaw technology applied to frozen wall of mine shaft
WANG Tao1;YUE Feng-tian2;JIANG Yao-dong1;3;ZHENG Tie-qi1;4;Beijing 100083;China;2.State Key Laoratory for Geomechanics and Deep Underground Engineering;China University of Mining and Technology;Xuzhou 221008;China;3. State Key Lab of Coal Resources and Safe Mining;China University of Mining and Technology;Beijing 100083;China;4. Zhalainuoer Coal Industry Co.;Ltd.;Manzhouli 021410;China)
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Continuous leaching experiments of nitrogen from coal gangue
LIU Qin-fu1;ZHENG Li-hua1;ZHANG Jin-shan2;DING Shu-li3;Beijing 100083;2.School of Mining Engineering;Inner Mongolia University of Science and Technology;Baotou 014010;China;3.Key Laboratory of Resource Exploration Research of Hebei Province;Hebei University of Engineering;Handan 056038;China)
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