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Experimental study on particle size distribution characteristics of coal with different hardness under impact crushing
ZHAO Yi, LI Quangui, HU Qianting, CAO Jie, SUN Xiaoyi
2020, 47(2): 1-6. DOI: 10.19835/j.issn.1008-4495.2020.02.001
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The influence of moisture on mechanical properties and gas desorption performance of similar materials in outburst coal
GAO Huali, SUN Haitao, DAI Linchao, HE Mingchuan, ZHU Moran
2020, 47(2): 7-10. DOI: 10.19835/j.issn.1008-4495.2020.02.002
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Numerical simulation of gas explosion in near-sphere containers based on Simtec software
GOU Baoyang, WU Bing, MA Yifei, ZHANG Yang, SU Jingliang, JIA Zepeng
2020, 47(2): 11-15. DOI: 10.19835/j.issn.1008-4495.2020.02.003
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Hydrogeochemical characteristics and genetic analysis of coal-measure sandstone fissure water in Gubei Coal Mine
SU Yue, XU Guangquan, WEI Jian, YANG Tingting, DING Yongjun
2020, 47(2): 16-24. DOI: 10.19835/j.issn.1008-4495.2020.02.004
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Difference of gas adsorption performance between soft and hard layers of coal seam and its influence on gas occurrence
CHENG Bo, ZHANG Yangqiang, XU Bin, WAN Yu
2020, 47(2): 25-28,34. DOI: 10.19835/j.issn.1008-4495.2020.02.005
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Study on the influence of the unreasonable layout of upper protective layer on stress superposition of the protected layer
JIANG Lili, YANG Zengqiang, ZHAI Chunjia, LI Changhao
2020, 47(2): 29-34. DOI: 10.19835/j.issn.1008-4495.2020.02.006
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Simulation study on the instability of gas-containing coal based on digital image reconstruction
ZHANG Xueqiang, LIU Lina, LI Xinpeng
2020, 47(2): 35-39. DOI: 10.19835/j.issn.1008-4495.2020.02.007
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The distribution law of spontaneous combustion of "three zones" in goaf under different ventilation volume and gas condition
HAO Yu, PANG Jinlun
2020, 47(2): 40-44. DOI: 10.19835/j.issn.1008-4495.2020.02.008
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Research on key process parameters of airborne dust collector based on distribution law of dust movement in fully mechanized working face with large mining height
DU Shanzhou, MO Jinming, WANG Quanlong, MA Wei, ZHANG Sheji, CHEN Fang
2020, 47(2): 45-51. DOI: 10.19835/j.issn.1008-4495.2020.02.009
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Synergy effect on dust reduction performance by coupling atomization with magnetized compound surfactant and pressure-air atomizing nozzle
LIU Jinlu, GU Mingyue
2020, 47(2): 52-55,60. DOI: 10.19835/j.issn.1008-4495.2020.02.010
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Research and application of water jet and cooperative repair technology in gas drainage
LIU Yanbao, BA Quanbin, SHEN Kai, JIN Niqianjun
2020, 47(2): 56-60. DOI: 10.19835/j.issn.1008-4495.2020.02.011
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Application of outburst warning system of heading face based on gas emission characteristics in Qianjiaying Coal Mine
ZHANG Jiayong, AI Zibo, LYU Huaxin, PANG Fengling
2020, 47(2): 61-65,69. DOI: 10.19835/j.issn.1008-4495.2020.02.012
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Application of gas ground well extraction technology in aquifer formation in mining area
FU Junhui, LI Rifu, WANG Ran, JIANG Wangang
2020, 47(2): 66-69. DOI: 10.19835/j.issn.1008-4495.2020.02.013
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Coupling model of gas seepage in low permeability coal seam considering start-up pressure gradient and its application
CHEN Liang, SHI Yongwei
2020, 47(2): 70-75,80. DOI: 10.19835/j.issn.1008-4495.2020.02.014
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Fire detection and control of overlying goaf in close-distance coal seam mining
MA Li, LEI Yanfei, SU Yaojun, LIU Shangming, WU Ruilong
2020, 47(2): 76-80. DOI: 10.19835/j.issn.1008-4495.2020.02.015
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Study on the air leakage law and prevention and control measures in goaf of close-distance coal seam group
WANG Chaoqun, ZHOU Ming, GUO Ying, WANG Ye
2020, 47(2): 81-84. DOI: 10.19835/j.issn.1008-4495.2020.02.016
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Study on the critical value of spontaneous combustion mark gas in 4-1 coal seam in Shuangma Coal Mine
YAN Peng, HUANG Guangli, ZHANG Yangqiang, HU Quanhong
2020, 47(2): 85-89,98. DOI: 10.19835/j.issn.1008-4495.2020.02.017
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Study on the technology of controlling upper corner gas by extra-large diameter borehole
WANG Kaiwang
2020, 47(2): 90-93. DOI: 10.19835/j.issn.1008-4495.2020.02.018
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Research status and development trend of coal dust explosion
LUO Zhenmin, LIU Rongwei, CHENG Fangming, SU Bin, KANG Xiaofeng
2020, 47(2): 94-98. DOI: 10.19835/j.issn.1008-4495.2020.02.019
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Development conditions of multiple coal seam resources and damage characteristics of co-mining reservoirs in Songhe Mine Field
HU Haiyang, ZHAO Lingyun, CHEN Jie
2020, 47(2): 99-103,108. DOI: 10.19835/j.issn.1008-4495.2020.02.020
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Discussion and consideration on the classification management of outburst coal seam
LIU Zhiwei, HE Mingchuan
2020, 47(2): 104-108. DOI: 10.19835/j.issn.1008-4495.2020.02.021
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Analysis on the influence of thrust nappe structure on coal and gas outburst in Huainan Coalfield
QIAO Guodong, GAO Kui
2020, 47(2): 109-113. DOI: 10.19835/j.issn.1008-4495.2020.02.022
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Application of composite weighting TOPSIS in rockburst risk assessment
BI Juan, LI Xijian
2020, 47(2): 114-119. DOI: 10.19835/j.issn.1008-4495.2020.02.023
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Study on safety evaluation of internal-caused fire in mine—based on entropy method and catastrophe theory
YIN Tao, XIE Xionggang
2020, 47(2): 120-124. DOI: 10.19835/j.issn.1008-4495.2020.02.024
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