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Characteristics of coal physicochemical structure and its effect on thermodynamic of gas adsorption
LI Xiaowen, MA Xu, ZHU Pengfei, LIU Xinxin, LI Qingzhao
2021, 52(3): 1-8.
Abstract
Permeability enhancement test of staged hydraulic fracturing of bedding drilling borehole in working face
YAO Zhuangzhuang, LIN Fujin, WU Wenbin, JIANG Wangang, YAN Wenxue, YANG Liang
2021, 52(3): 9-13.
Abstract
Formation mechanism of proppant particle voidage distribution in hydraulic fracturing fractures
GUAN Shuwen, HU Shengyong, ZHANG Xitu, FENG Guorui, LI Guofu, CHEN Yunbo
2021, 52(3): 14-18,21.
Abstract
Experimental study on effect of pore pressure and temperature on nitrogen flow in coal rock
YAO Guanlin, TANG Mingyun, ZHENG Pengxian, DUAN Sanzhuang, ZHANG Hailu
2021, 52(3): 19-24.
Abstract
Directional difference characteristics of resistivity response of tectonic coal in process of load-bearing failure
YANG Yunlin, ZHANG Shuyong, LI Jialong, CHAI Yong, MAO Xiaoyi, CHEN Deren
2021, 52(3): 25-29.
Abstract
Evolution law of water-conducting fault zone in large mining height working face under sandstone aquifer of Luohe Formation
YANG Yuliang, XU Zhuhe
2021, 52(3): 30-35,42.
Abstract
Study on reasonable offset of mining roadway under close distance coal seams goaf of rock burst mine
DING Guoli, YU Huihua, SU Shijie, SHI Chaohong, LIU Chenyang
2021, 52(3): 36-42.
Abstract
Research on extension law of grouting induced splitting fractures in materials similar to coal rocks containing different prefabricated fractures
HUANG Xiaosheng, ZHANG Chao, CHENG Cheng, ZHAO Yajie
2021, 52(3): 43-48.
Abstract
Deformation and failure rules of underlying roadway of cross mining in ultra-thinness coal seam
SONG Kanglei, WANG Hongtu, WAN Liangliang, SHU Cai
2021, 52(3): 49-54.
Abstract
Research and application of a new type of weatherproof spraying material for bed plate roadway
ZHAO Bin, WANG Pengwei
2021, 52(3): 55-60.
Abstract
Study on reasonable width of coal pillar in retracement channel under goaf edge
SUN Qiang, FENG Guorui, GUO Jun, WANG Pengfei, QIAN Ruipeng, LI Songyu, WEN Xiaoze
2021, 52(3): 61-67.
Abstract
Simulation study on artificial rock formation of deep coal seam roof sandstone
ZHAO Yang, ZHAO Shankun, ZHANG Ningbo, WANG Yin, LI Yunpeng, SU Zhenguo, QIN Kai, ZHAO Bin
2021, 52(3): 68-74.
Abstract
Fracture mechanism of acid fracturing of sandstones gangue layer in fully mechanized mining face
DENG Guangzhe, LIU Hua
2021, 52(3): 75-83.
Abstract
Dynamic characteristics and constitutive model of coal rock under impact loading
ZHANG Jiafan, ZHOU Feiwen, ZHOU Hongwen
2021, 52(3): 84-89.
Abstract
Advanced weakening technology of directional long borehole staged hydraulic fracturing
LIU Yingming
2021, 52(3): 90-95,100.
Abstract
Comprehensive treatment technology of scale in Fowa pump station of Xinjing Coal Mine
BAI Xue
2021, 52(3): 96-100.
Abstract
Application of ultra-low concentration multi-component modified guar gum fracturing fluid in coalbed methane wells
BAO Xing, CHANG Jianzhong, XIANG Xinghua, ZHAI Zhiwei, JI Changjiang
2021, 52(3): 101-105.
Abstract
Prevention and control of low oxygen and high carbon monoxide in shallow buried depth easy spontaneous combustion coal seam working face
LIU Liren
2021, 52(3): 106-111.
Abstract
Technology of grouting to extinguish fire in shallow buried depth and easy spontaneous combustion coal seam fire area
DAI Mingying
2021, 52(3): 112-116,121.
Abstract
Multi-inducement large-scale fire control key technology in Baoding Huashan Mine
HE Yanyuan, LONG Chuanfu, YU Guisheng, YANG Ping
2021, 52(3): 117-121.
Abstract
Application of large flow gasous CO2 fire control technology in control of spontaneous combustion fire in goaf
ZHAO Meicheng
2021, 52(3): 122-126.
Abstract
Support design and mine pressure measurement of 1102 working face in Qiuji Coal Mine
YUN Ming, ZHENG Hongyun, LI Tingchun, ZHAO Renle, WU Shanyuan, ZHU Qingwen
2021, 52(3): 127-132,136.
Abstract
A redundant monitoring system for monitoring substation of coal mine power supply
FANG Chongquan
2021, 52(3): 133-136.
Abstract
Research and application of gas drainage measurement and monitoring system in surface wells
XU Rui, SUN Dongling, WANG Xinkun, LI Siqian, LI Jian
2021, 52(3): 137-142.
Abstract
Optimization of gas chamber design of mine-used catalytic methane sensor based on CFD
GU Renyong, JIANG Ze
2021, 52(3): 143-147.
Abstract
Technology and equipment of preventing gas overrun in drilling operation of outburst coal seam
HAO Dian, LI Xuechen, WEI Peijin
2021, 52(3): 148-151.
Abstract
Casing milling and fishing technology of directional borehole in mudstone formation in underground coal mine
GUAN Qiangsheng
2021, 52(3): 152-155.
Abstract
Optical refraction detection method for emulsion concentration
LUO Tienan
2021, 52(3): 156-158,164.
Abstract
Development and application of examination system for gas drainage hole along coal seam
CHEN Rui
2021, 52(3): 159-164.
Abstract
Geological structure advance detection system in high-gas mining area
WEN Hengcong, LI Xuechen, LIU Baobao, YANG Haitao
2021, 52(3): 165-169.
Abstract
A wireless program upgrade method for mine personnel portable equipment
CHEN Xian, JIN Yeyong, CHEN Kang
2021, 52(3): 170-174.
Abstract
Research on coal-rock interface recognition method based on returned slag image of borehole
LI Yanming
2021, 52(3): 175-179.
Abstract
Micro-seismic monitoring substation based on precision clock synchronization technology
AN Sai
2021, 52(3): 180-184.
Abstract
Key technology of WPZ-45/700LY coal mine remote control roadway repair machine
LI Xutao, ZHANG Ning, LI Wangnian
2021, 52(3): 185-189.
Abstract
Review on research theory and methods of pore distribution characteristics of coal
CHEN Yupeng, JIANG Wenzhong, QIN Yujin, SU Weiwei
2021, 52(3): 190-196.
Abstract
Research progress of coal mine fire prevention and control technology by CO2
ZHU Jianfang, GENG Yao, LI Dongming, JIAO Yanjin, LIANG Qian
2021, 52(3): 197-203.
Abstract
Analysis of groundwater dynamic characteristics and hydrogeological model of karst under concealed conditions
GAO Yuhang, XU Guangquan, DANG Baoquan, ZHANG Haitao, CHEN Guojun, SUN Gui
2021, 52(3): 204-210.
Abstract
Numerical simulation of effect of nitrogen injection on gas explosion hazard in goaf
LI Yunzhuo, SU Hetao, JI Huaijun
2021, 52(3): 211-216.
Abstract
Analysis on oxidative intermediate functional groups for CO formation during spontaneous combustion of low metamorphic coal
SUN Weili, SHI Jilin, ZHANG Haiyang, ZHAO Yaming, WANG Kun, CHEN Qingfeng
2021, 52(3): 217-221.
Abstract
Analysis of deformation and failure process of rock slope induced by repeated mining of coal under high and steep mountain
TIAN Yanzhe
2021, 52(3): 222-227.
Abstract
Optimization design and application of working face in high inclined three-soft unstable coal seam
ZHANG Fange, CHEN Yucun, ZHANG Liuyu
2021, 52(3): 228-233.
Abstract
Study on mechanism of slope disaster in inner dump in Yimin Open-pit Mine
LIU Jianguo, WANG Xingtao, SI Guobin
2021, 52(3): 234-236.
Abstract
Analysis of Anjialing Open-pit Mine working face crossing collapse column scheme
WANG Sheng
2021, 52(3): 237-240.
Abstract
Application of acceptable risk theory in coal mine safety field
DUAN Zhengxiao, TAN Qinwen, LU Kunlun, DENG Yin, WEN Xuan
2021, 52(3): 246-251.
Abstract
Research on evaluation of behavior safety level of miners based on cloud matter element theory
BAI Yanlong, CHEN Yu, LI Haili, BAI Changjiang, XI Long, XUE Yubi, PENG Jiajia, WANG Xin
2021, 52(3): 252-256.
Abstract
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