..............page:295-300
Study on crack expansion judgment method in overlying strata and its application for coal mining under aquifers
CHEN Lian-jun;LI Tian-bin;WANG Gang;WU Xue-zhen;JIANG Yu-jing;HAN Zuo-zhen;State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology;Shandong University of Science and Technology;State Key Laboratory of Geohazard Prevention and Geoenvironment Protection;Chengdu University of Technology;Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation;Shandong University of Science and Technology;
..............page:301-307
..............page:308-315
..............page:316-324
..............page:325-331
..............page:332-338
..............page:339-346
..............page:347-353
..............page:354-358
..............page:359-365
Non-contact testing method for Poisson ratio based on digital image
CHEN Xin-zhong;CAO Yuan-wei;LIU Shi-wei;MAO Zhong-min;ZHANG Ji-xiong;Academy of Science & Technology;China University of Mining & Technology;School of Mines;China University of Mining &Technology;Key Laboratory of Deep Coal Resource Mining;Ministry Education of China;China University of Mining & Technology;
..............page:366-371
..............page:372-377
..............page:378-383
..............page:384-389
..............page:390-396
..............page:397-404
..............page:405-410
..............page:411-415
Migration and control of coal powder in CBM well
CHEN Wen-wen;WANG Sheng-wei;QIN Yi;ZHAO Wen-xiu;ZHAO Jun-fang;YANG Jian;LI Rui;Faculty of Earth Resources;China University of Geosciences;Oil Production Technology Institute;Huabei Oilfield Company;PetroChina;Non-ferrou Exploration Institute of Geology and Mineral Resources in Qinghai;
..............page:416-421
..............page:422-431
Experimental study of permeability enhancement in coal layers by fracture making or unloading
LIN Hai-xiao;SU Xian-bo;LIU Xiao;GUO Hong-yu;Open Laboratory of Deep Mine Construction;Henan Polytechnic University;Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process;Ministry of Education;China University of Mining and Technology;School of Energy Science and Engineering;Henan Polytechnic University;School of Civil Engineering;Henan Polytechnic University;
..............page:432-435
..............page:436-440
Leak-off model of fracturing fluid in coal seam
HAN Jin-xuan;YANG Zhao-zhong;WANG Hui-lai;LI Xiao-gang;LU Yan-jun;JIA Yuan-zhao;State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation;Southwest Petroleum University;Drilling Engineering;CNPC Huabei Oilfield;Petroleum Production Engineering Research Institute;CNPC Huabei Oil Company;
..............page:441-446
..............page:447-451
..............page:452-457
..............page:458-464
Discussion on seismic recognition of deformed coal
YANG Chun;WANG Yun;YANG De-yi;Institute of Geology and Geophysics;Chinese Academy of Sciences;University of Chinese Academy of Sciences;Institute of Geochemistry;Chinese Academy of Sciences;China University of Geosciences;College of Mining Engineering;Taiyuan University of Technology;
..............page:465-470
..............page:471-475
..............page:476-483
..............page:484-489
..............page:490-496
Effects of particle size on coal breakage characteristics
HU Zhen-zhong;SAI Jun-cong;CHEN Xiao-ping;ZHAO Ming;QIU Ya-lin;School of Energy and Environment;Southeast University;Key Laboratory for Energy Thermal Conversion and Control of the Ministry of Education;Southeast University;Electric Power Research Institute;Yunnan Electric Power Test & Research Institute Group Co.;Ltd.;
..............page:497-502
..............page:503-507
..............page:508-512
..............page:513-518
..............page:519-525
..............page:526-530
..............page:531-537
Carbon deposition characteristics of oil shale retorting gas
SUN Bai-zhong;SUN Shi-peng;WANG Qing;ZHANG Xin-xin;LI Jian;School of Energy and Power Engineering;University of Science and Technology Beijing;School of Energy and Power Engineering;Northeast Dianli University;Liaoning Electric Power Research Institute;
..............page:538-543
..............page:544-549
..............page:550-554
..............page:555-562
..............page:563-568
..............page:569-575
..............page:576-582
..............page:583-588
..............page:589-595
..............page:596-602
..............page:603-608
..............page:609-614