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Study on the influence of injection pressure variation caused by flow on hydraulic fracturing effect
LIU Le, HU Qianting, LI Quangui, JIANG Zhizhong, WU Xiaobin, SONG Mingyang
2020, 47(4): 1-5,11. DOI: 10.19835/j.issn.1008-4495.2020.04.001
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Study on optimization of water-cement ratio of the cement grout for sealing boreholes in gas drainage
WEI Le
2020, 47(4): 6-11. DOI: 10.19835/j.issn.1008-4495.2020.04.002
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Study on gas-water two-phase flow coupling model and gas drainage simulation
YU Bo, BI Huijie, DENG Zhigang, ZHANG Kun, SU Zhenguo, MA Binwen
2020, 47(4): 12-16. DOI: 10.19835/j.issn.1008-4495.2020.04.003
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Temporal and spatial distribution characteristics and key influencing factors of gas emission in coal seam with low gas content by high intensity mining
GONG Xuanping, CHEN Long, CHEN Shanwen, BAI Tinghai, LIN Haifei, GAO Han, CHENG Xiaoyu
2020, 47(4): 17-23,28. DOI: 10.19835/j.issn.1008-4495.2020.04.004
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Study on reinforcement technology of roadway under mining condition of medium and short distance underlying working face
YANG Yonggang
2020, 47(4): 24-28. DOI: 10.19835/j.issn.1008-4495.2020.04.005
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Simulation study on stress characteristics of roof surrounding rock in fully mechanized working face
HAO Xue, HU Zuxiang, XING Lifen, XU Xiaoben
2020, 47(4): 29-33,38. DOI: 10.19835/j.issn.1008-4495.2020.04.006
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Study on optimization of resistance reducing agent for hydraulic permeability increasing in underground coal mine
XIONG Wei, PENG Minghui, BA Quanbin
2020, 47(4): 34-38. DOI: 10.19835/j.issn.1008-4495.2020.04.007
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Research on mine microseismic signal recognition based on empirical wavelet transform
WU Yiwen, CHENG Tiedong, YI Qiwen, ZHAO Kui
2020, 47(4): 39-44. DOI: 10.19835/j.issn.1008-4495.2020.04.008
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Numerical simulation of the impact risk in stope under different fault slope
SHENG Kaihua, WANG Lu, LIU Yanqing, LI Zhihong, ZHANG Zhenyang
2020, 47(4): 45-50,56. DOI: 10.19835/j.issn.1008-4495.2020.04.009
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Early warning technology of coal and gas outburst based on big data
NING Xiaoliang
2020, 47(4): 51-56. DOI: 10.19835/j.issn.1008-4495.2020.04.010
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Research and application of technological parameters of ultra-high pressure water jet slotting in deep outburst coal seam
LI Shengzhou, QIAO Wei, WANG Jian
2020, 47(4): 57-61. DOI: 10.19835/j.issn.1008-4495.2020.04.011
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Research on the application of hydraulic pressure relived and permeability enhanced technology in cross-cut rapid uncovering coal
FENG Kangwu
2020, 47(4): 62-65. DOI: 10.19835/j.issn.1008-4495.2020.04.012
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Limit parameter changes and hazardous area determination of residual coal spontaneous combustion in compound goaf
ZHANG Fei
2020, 47(4): 66-72. DOI: 10.19835/j.issn.1008-4495.2020.04.013
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Multi-parameter monitoring and early warning system of rock burst under "two hard" condition
LI Lili, WANG Ning
2020, 47(4): 73-76. DOI: 10.19835/j.issn.1008-4495.2020.04.014
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Influence of surface mountain load on mining pressure of shallow buried deep working face
REN Yanfang
2020, 47(4): 77-81,87. DOI: 10.19835/j.issn.1008-4495.2020.04.015
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Research on fracturing treatment technology of concentrated stress disaster by the overlying coal pillar in close distance shallow seam
YANG Junzhe, ZHENG Kaige, ZHAO Jizhan, LI Yanjun, DAI Nan, YANG Huan
2020, 47(4): 82-87. DOI: 10.19835/j.issn.1008-4495.2020.04.016
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Deformation mechanism and control technology of the external dislocation roadway under the close distance coal seam
XU Junjian
2020, 47(4): 88-92. DOI: 10.19835/j.issn.1008-4495.2020.04.017
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Research on the hole bottom installation method of acoustic emission monitoring sensor for coal and rock dynamic disasters in mine
LI Jiangong
2020, 47(4): 93-96,102. DOI: 10.19835/j.issn.1008-4495.2020.04.018
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Prevention measures and mechanism of water inrush in south wing roadway of Beixinyao Coal Mine
LU Xi, HE Yadong, WANG Min
2020, 47(4): 97-102. DOI: 10.19835/j.issn.1008-4495.2020.04.019
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Response characteristics of transient electromagnetic in advance detection of goaf water
YUAN Yongbang, YI Hongchun, XIAN Penghui
2020, 47(4): 103-106,111. DOI: 10.19835/j.issn.1008-4495.2020.04.020
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Parameter optimization of the discharge head of CO2 fracturing device based on orthogonal experiment
LIU Yanlin, CHEN Zihan, ZOU Quanle, ZENG Tao, YE Chen
2020, 47(4): 107-111. DOI: 10.19835/j.issn.1008-4495.2020.04.021
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Application status and prospect of device for mixing and configuring gases based on industrial utilization of coal mine gas
PANG Jinlun
2020, 47(4): 112-115. DOI: 10.19835/j.issn.1008-4495.2020.04.022
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Study on dynamic evolution of social-ecological system risk in CBM development based on Choquet-Brusselator
XUE Chongyi, XUE Ye, JI Xiaodong
2020, 47(4): 116-121. DOI: 10.19835/j.issn.1008-4495.2020.04.023
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Study on the ecological restoration strategy and method of closed coal mine wasteland in Chongqing based on interference theory
ZHANG Haizhen, WANG Lin, NIE Qingli
2020, 47(4): 122-126. DOI: 10.19835/j.issn.1008-4495.2020.04.024
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