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Influence of ambient temperature on explosion characteristics of premixed gas
HUANG Zichao
2021, 52(2): 1-6.
Abstract
Study on pore development characteristics of low rank coal reservoirs in Erlian Basin group
LIU Jianhua, WANG Shengwei, SU Dongmei
2021, 52(2): 7-12.
Abstract
Study on reasonable criterion of effective extraction radius based on desorption gas index
SUN Xiaoming
2021, 52(2): 13-17.
Abstract
Study on fractal characteristics of coal pore before and after oxidation treatment
FENG Yulong, SI Qing, WANG Hao, LI Feng
2021, 52(2): 18-22.
Abstract
Reconstruction and seepage simulation of coal and rock pore fracture structure based on CT imaging
LIU Weifu, DING Xuhai, ZHOU Guang
2021, 52(2): 23-27.
Abstract
Cooling law of liquid carbon dioxide on coal with different particle sizes
LI Peng
2021, 52(2): 28-32.
Abstract
Experimental study on change mechanism of coal and rock permeability under total stress and strain condition
XUE Junhua, LI Yanhe, LI Hongbiao, YUAN Zhandong, ZHAN Keliang
2021, 52(2): 33-37.
Abstract
Experimental study on optimal selection of CO absorbent for low metamorphism coal
SUN Weili, SHI Jilin, ZHANG Haiyang, ZHAO Yaming, WANG Kun, CHEN Qingfeng
2021, 52(2): 38-42.
Abstract
Effect of carbon dioxide on coal spontaneous combustion characteristics
YE Qingshu
2021, 52(2): 43-47.
Abstract
Experimental study on heat extraction of loose high temperature medium with heat conducting rod
LIU Xin, REN Wanxing, SHI Jingtai
2021, 52(2): 48-53.
Abstract
Experimental study on preventing slippage failure of resin bolt in coal roadway by backfilling with enlarged bottom
NAN Hua, WANG Shuai, WANG Jinrui, LUO Ming
2021, 52(2): 54-62.
Abstract
Influence of grout-filled flaws on strength properties and fracture modes of coal petrography
ZHU Keren, DENG Chuan, LEI Ruide
2021, 52(2): 63-70.
Abstract
Study on air leakage law and gas concentration distribution in goaf under U+L ventilation
JIA Nan
2021, 52(2): 71-77.
Abstract
Prevention and control technology of spontaneous combustion in mining face of closely inclined coal seam group
CHEN Qingfeng
2021, 52(2): 78-82.
Abstract
Comprehensive control technology of shaft fire area
WANG Weidong
2021, 52(2): 83-87.
Abstract
Optimization of coal seam permeability improvement technology by radial multi-branch borehole high pressure combined water jet
FU Hui, KOU Jianxin, QIN Pei
2021, 52(2): 88-92,97.
Abstract
Projective and positioning technology for spatial visualization borehole in underground coal mine
HUANG Bing, LI Rongxin, ZHOU Songyuan
2021, 52(2): 93-97.
Abstract
Preventing rock burst technology by roof cutting and roadway protection in mining along goaf roadway of dangerous area
ZHANG Lei
2021, 52(2): 98-104.
Abstract
Surrounding rock support technology of extra thick coal seam roadway under the influence of mining
LYU Kun
2021, 52(2): 105-112.
Abstract
Safety analysis and water prevention and control technology of coal mining under rivers in Tianzhu Coal Mine
HUANG Hao, FANG Gang, LIANG Xiangyang, LIU Yang
2021, 52(2): 113-120.
Abstract
Key technology and application of casing safety in large diameter well
MO Haitao, HAO Shijun
2021, 52(2): 121-125.
Abstract
Modular design of crossing boreholes drilling rig in underground coal mine
WU Di, LIU Zhi, WANG Song
2021, 52(2): 126-130.
Abstract
Parameter optimization of longitudinal swirl nozzle based on CFD
ZHANG Zepeng, PAN Yue, YANG Fan, MA Hao
2021, 52(2): 131-134.
Abstract
A quality and efficiency test system of calcium hydroxide for mine respirator
ZHANG Weijie, ZHANG Zhichen, LIU Qiang
2021, 52(2): 135-137,141.
Abstract
A mining-excavation relay compilation warning system based on GIS
CHI Baosuo, WANG Qiang, GAO Bin
2021, 52(2): 138-141.
Abstract
Design of intelligent terminal of mine inspection instrument based on STM32
GUO Haoteng, WU Weili, MAO Hao, ZHAO Hongju
2021, 52(2): 142-147.
Abstract
Multi-turn loop inductance of small loop transient electromagnetic method
LIAN Chenguang, SHI Xianxin
2021, 52(2): 148-152.
Abstract
Visualization technology of 2D mine map based on cloud rendering
CUI Pengzhi, WANG Chong, SUN Ninghui, DI Yongchang, LI Zongwei
2021, 52(2): 157-160.
Abstract
Negative pressure automatic water discharge device based on intrinsically safe DC electric valve
WANG Zuxun
2021, 52(2): 161-164.
Abstract
Safety control technology of coal mine based on image recognition
ZHANG Liya
2021, 52(2): 165-168.
Abstract
Development status and prospect of permeability enhancement technology in high gas low permeability coal seam
ZHANG Xiaogang, JIANG Wenzhong, DU Feng
2021, 52(2): 169-176.
Abstract
Temperature distribution and rise law of low metamorphic steady coal in fully mechanized caving face
ZHANG Haiyang
2021, 52(2): 177-181.
Abstract
Optimization numerical simulation of staggered distance scheme for double coal seam mining in Yushen Mining Area
SUN Xueyang, LU Mingjiao, LI Cheng, MIAO Lintian
2021, 52(2): 182-187,193.
Abstract
Study on improving initial recovery rate by deep hole pre-splitting blasting of hard roof
SHEN Yuxu, KANG Tianhe, YANG Yongkang
2021, 52(2): 188-193.
Abstract
Analysis of surrounding rock damage law of TBM tunneling roadway in coal mine jointed strata
DAI Mai, TANG Bin, WANG Yong, WANG Xuesong, WANG Zhenhua
2021, 52(2): 194-200.
Abstract
Simulation analysis of buffer energy absorption effect of pressure-relief coal
LI Xiaoliang, GUO Weiyao, YIN Yanchun, XIAO Yaxun, TANG Xingxue
2021, 52(2): 201-206.
Abstract
Mechanism and countermeasures of abandoned roadway collapse in three-roadway stope mining one side pillar
HAN Shuyi, YANG Shuangsuo, BAI Yunlong, MA Jinmin, SHI Jinsong, HAN Junxiao, CHENG Lingyu
2021, 52(2): 207-213.
Abstract
Study on effect of decoupling charge pre-splitting blasting under unidirectional load
ZHANG Xuanshan, WANG Hailiang, SUN Zhongbo, TANG Zhongyi
2021, 52(2): 214-218,224.
Abstract
Study on fracture evolution of surrounding roadway under close distance coal pillar
LIU Hongin, LI Guodong, WANG Hongzhi
2021, 52(2): 219-224.
Abstract
Study on stability of mining landslide in shallow coal seam based on numerical analysis
LIU Maoqi, LIU Ping, ZHU Hengzhong, WANG Chen, WANG Chunhua
2021, 52(2): 225-230.
Abstract
Deformation characteristics of open-pit slope affected by excavation loading
WANG Tao, ZHAO Ruhui
2021, 52(2): 231-234.
Abstract
Research on coal mine worker safety information management based on block chain technology
LIANG Xiaokang, CUI Enwei, WEI Yinshang
2021, 52(2): 235-238.
Abstract
Evolution analysis of digital mine safety management based on“man-machine-environment-management” theory
YANG Yang, ZHANG Wenbo, ZUO Chenxi, WANG Zixuan
2021, 52(2): 239-243,247.
Abstract
Analysis of rock burst accidents in coal mine based on behavioral safety
YIN Wentao
2021, 52(2): 244-247.
Abstract
Situational evaluation model of coal mine safety based on AHP and entropy weight method
HU Xia, ZHONG Wenjie, CHENG Jingjing
2021, 52(2): 248-252.
Abstract
Analysis on detection results of occupational hazards in 18 coal mines in southwest Guizhou
JIANG Xingfa, CHEN Xianyong
2021, 52(2): 253-256.
Abstract
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