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Research on gas pressure evolution law based on mining stress increment
ZHANG Shiling
2021, 48(6): 1-5. DOI: 10.19835/j.issn.1008-4495.2021.06.001
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Research on microseismic monitoring and movement law of overlying strata in near horizontal thick coal seam
LIANG Yunpei, WANG Haibin, LI Quangui, HU Liangping, JIANG Zhizhong, SONG Mingyang
2021, 48(6): 6-11,18. DOI: 10.19835/j.issn.1008-4495.2021.06.002
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Investigation on overburden failure characteristic and height of water-conducted fracture zone due to fully mechanized caving mining
LIU Zhuoran, ZHAO Gaobo
2021, 48(6): 12-18. DOI: 10.19835/j.issn.1008-4495.2021.06.003
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Analysis of temperature field of surrounding rock and influencing factors under the seasonal variation of air temperature at the entrance of roadway
GAO Jianan, LI Chao, WU Fengliang, MA Li
2021, 48(6): 19-24. DOI: 10.19835/j.issn.1008-4495.2021.06.004
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Numerical simulation of gas distribution system in low concentration coalbed methane adsorption drying device
XIAO Lu
2021, 48(6): 25-29. DOI: 10.19835/j.issn.1008-4495.2021.06.005
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Experimental research on the resistance performance of a new type of gel foam material
WANG Jianguo, LIU Xin, ZHENG Chenguang
2021, 48(6): 30-33,39. DOI: 10.19835/j.issn.1008-4495.2021.06.006
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Study on forced initial caving technology of deep hole presplitting blasting in hard roof
JI Jianshuai, LI Zhihua, GE Shengwen, CHENG Liming
2021, 48(6): 34-39. DOI: 10.19835/j.issn.1008-4495.2021.06.007
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Optimal simulation research on gas extraction parameters of long boreholes in roof strike of Sihe Mine
HAO Changsheng, WANG Haotian, JIA Tingui
2021, 48(6): 40-46. DOI: 10.19835/j.issn.1008-4495.2021.06.008
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Research on gas drainage hydraulic fracturing improvement technology for soft and low permeability coal seam
WANG Jianwei
2021, 48(6): 47-52. DOI: 10.19835/j.issn.1008-4495.2021.06.009
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Research and application of combined antireflection technology of high pressure hydraulic fracturing and punching in low permeability coal seam
QIN Jiangtao, CHEN Yutao
2021, 48(6): 53-57. DOI: 10.19835/j.issn.1008-4495.2021.06.010
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Research and implementation of integrated operation integrated energy group intelligent emergency command platform
ZHAO Kaigong, FANG Heng
2021, 48(6): 58-64,71. DOI: 10.19835/j.issn.1008-4495.2021.06.011
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Application test of coal gangue-based concrete in underground roadway hardening engineering
SHEN Haisheng, HE Weihong, ZHAO Chunzhou, WU Bingzhen, LU Yinlong
2021, 48(6): 65-71. DOI: 10.19835/j.issn.1008-4495.2021.06.012
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Development and application of gas drainage borehole plug removal and repair equipment
BA Quanbin
2021, 48(6): 72-76. DOI: 10.19835/j.issn.1008-4495.2021.06.013
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Three dimensional gas drainage technology and its application in slicing face of coal mine
ZHENG Fei, FU Junhui, WANG Ran
2021, 48(6): 77-81. DOI: 10.19835/j.issn.1008-4495.2021.06.014
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Application of ground well extraction technology in large dip and multiple coal group in Xinjiang mining area
WANG Guanghong
2021, 48(6): 82-85. DOI: 10.19835/j.issn.1008-4495.2021.06.015
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Soft rock deterioration control technology in Jurassic Coalfield of northwest China
LYU Yuguang, QIAO Wei, XIAO Qinghua, ZHANG Yongqiang, HAN Gang, LIU Jianrong
2021, 48(6): 86-92. DOI: 10.19835/j.issn.1008-4495.2021.06.016
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Study on the application of gas drainage technology in bedding long drilling
QIAO Wei, WANG Kai, CHENG Bo
2021, 48(6): 93-98. DOI: 10.19835/j.issn.1008-4495.2021.06.017
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Key technology and practice of gas extraction in steep extra-thick coal seam
JI Chaohui, CUI Hongqing
2021, 48(6): 99-103. DOI: 10.19835/j.issn.1008-4495.2021.06.018
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Development of mine transient electromagnetic instrument based on constant large current emission and bipolar high speed acquisition and reception
ZHANG Lei
2021, 48(6): 104-107. DOI: 10.19835/j.issn.1008-4495.2021.06.019
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Comparative study and application of weld groove of drum of mine mixer based on finite element analysis
GUO Caiping, XIANG Daohui
2021, 48(6): 108-112. DOI: 10.19835/j.issn.1008-4495.2021.06.020
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Gravity convey technology and application by pipeline with high density backfill slurry and great times line
SUN Kaihua
2021, 48(6): 113-117,122. DOI: 10.19835/j.issn.1008-4495.2021.06.021
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The impact risk analysis and prevention practice of the coal pillar width variation area in the extra-thick coal seam
LING Zhiqiang, ZHAO Sen, DUN Changjian
2021, 48(6): 118-122. DOI: 10.19835/j.issn.1008-4495.2021.06.022
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Spatial-time evolution of EES coordinated development in coal mining subsidence area of Shanxi Province
LI Qigeng, JI Zijin, ZHANG Hongchao
2021, 48(6): 123-128,134. DOI: 10.19835/j.issn.1008-4495.2021.06.023
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Research status of influencing factors and control technology of blasting vibration
SUN Bing, LUO Zhiye, ZENG Sheng, HE Wang
2021, 48(6): 129-134. DOI: 10.19835/j.issn.1008-4495.2021.06.024
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