Coal Science and Technology 2011 Issue 5 Study on Determination Method of Borehole End Scope for Gas Drainage Borehole in Goaf

Study on Determination Method of Borehole End Scope for Gas Drainage Borehole in Goaf
ZHAO Yong-ming;JIANG Shu-guang;SHAO Hao;LIU Bin;HAN Zi-wei;CHI Hong-you

..............page:51-53,57

Development and Manufacturing of High Power Flameproof Emergency Power Supply Source for Mine Ventilator
YANG Chun-wen;LI Feng-qiang;HUANG Xiao-song;LI Zhi-gang

..............page:91-93,98

Experiment Study on Blasting Cone of Coal
YU Yong-qiang;CHU Huai-bao;WANG Wei-chao;YANG Xiao-lin;LIANG Wei-min

..............page:41-43

Application of Comprehensive Fire Prevention and Control Technology in Fully Mechanized Top Coal Caving Mining Face Passing Through Fault
GAO Fa-min;ZHANG Mao-zeng;DONG Qin-liang;LIU Zhi-guo;Wang Qing-chao

..............page:58-60,86

Design and Realization of Three Level Converter for 1140 V Medium Voltage in Underground Mine
CHENG Hong;BAI Lin-xu;YIN Xiang-qing;WANG Cong;SHEN Li-fei

..............page:76-79,36

Study on After Peak Acoustic Emission Features of Rock Type Material
TANG Jun;LIU Wei-qun;FEI Xiao-dong

..............page:21-24

Study on Emulsifie Silicon Oil to Improve Water Resistance of Upgraded Lignite Briquette
WANG He;ZHU Shu-quan;BAI Zhi-qiang;ME Wei-wei

..............page:116-119

Study on Gas Explosion Mechanism in Low Gassy Mine
YUAN Ye

..............page:67-69

Design on Insulation Protection Device of Stator for Mine Electric Motor Based on Atmeg64
WANG Jing-shuang;CAO Qing-jiao;CAO Er-ye

..............page:73-75

Study on Structural Stress of Fold Zone Affected to Mine Roadway Support
WANG Zhan-ling;KANG Hong-pu;LIN Jian

..............page:25-28

Analysis on Coal and Gas Outburst Mechanism Under Multi Field Coupling Action
LI Xiang-chun;NIE Bai-sheng;WANG Long-kang;DAI Lin-chao;LIU Zhen

..............page:64-66,69

Moisture Affected to Gas Desorption Law of No.3 Seam in Xinjing Mine
LI Xiao-hua;WANG Zhao-feng;LI Qing-song;QI Xin-hong

..............page:47-50

Application of CCD Sensor Technology to Coal Industry
YIN Zhong-hui;LI Chun

..............page:99-101

Experiment Study on Underground Gasification Model of Lean Coal
PANG Xu-lin;PAN Xia;LIU Hong-tao;YANG Lan-he;CHEN Feng

..............page:120-124

Development and Manufacturing of High Inclined Steel Cord and Concave Veins Belt Conveyor
GUO Shen-xi

..............page:83-86

Detection and Grouting Water Sealing Technology of Crack Fissures for Water Inrush in Mine Heading Roadway
XIN Heng-qi;XU Shuan-xiang

..............page:105-107

Analysis on Backfill Material Strength of Replacement for Belt Coal Pillar Mining
SUN Xi-kui

..............page:33-36

Optimization Research on Sectional Coal Pillar Width in Tongchuan Mining Area
LOU Jin-fu;LAN Hang;LIU Shao-hong;ZHONG Jian-long;JIA Zhi-feng;LI Guo-qing;WANG XU

..............page:29-32

Application of Permeability Improvement Technology with Hydraulic Flushing Borehole Passing Through Strata
WANG Nian-hong;CHEN Zu-guo

..............page:61-63,82

Analysis on Spalling Mechamism of Coal Wall Law for Fully Mechanized High Cutting Coal Mining Face
CHEN Liang;MENG Xiang-rui;GAO Zhao-ning;WANG Xiang-qian;JIN Jun-heng

..............page:18-20,24

Water Flowing Channel Type as well as Prevention and Control Measures for Coal Mining Under Sea in Longkou Mining Area
WANG Wen-bo

..............page:112-115

Deformation and Stability Lost Mechanism and Support Technology of Inclined Layer Roof in Seam Gateway
ZHANG Guo-feng;HE Man-chao;JIN Long;DU Chang-long

..............page:1-5

xin xi dong tai

..............page:32,115

Research Progress of Soil Quality in China Mining Subsidence Area
LI Wei;CHEN Long-qian;ZHOU Tian-jian;ZHANG Kui;LI Long

..............page:125-128

Research on Key Technology of Mine Electric Trackless Transportation Vehicle
YUAN Xiao-ming

..............page:80-82

Rational Selection of Mining Method for High Cutting Coal Mining Face
CHENG Jian-zhen

..............page:11-13,17

Application of Adsorption Potential Theory to Study on Adsorption-Desorption of Coal Bed Methane
JIANG Wei;WU Cai-fang;JIANG Wei;Wang Cong;CHEN Zhao-ying;Du Yan-fei

..............page:102-104

Determination of Seam Smoldering in Mine Gateway
WANG Wen-cai;WANG Rui-zhi;ZHANG Peng;HE Yuan;LIU Bing-lei;ZHANG Shi-ming;HOU Dian-kun;WANG Chao;CAO Guang-di

..............page:54-57

Gas Drainage Technology in Fully Mechanized Coal Mining Face in Jiaojiazhai Mine
QI Jian-jun

..............page:70-72

Axial Deformation Simulation Test of Support Structure for Gateway in Steep Inclined Seam
WANG Yu-feng;WANG Fei;ZHANG Hong-le

..............page:37-40,72

Support Technology of Large Cross Section Open-off Cut for Fully Mechanized Top Coal Caving Mining Face in Ultra Thick Seam
HUANG Qing-guo;GAO Feng;ZHANG Lei;ZHAO Jun

..............page:6-10

Experiment of Acoustic Emission and Numerical Simulation During Loaded Rock and Soil Fracturing Process
ZHAO En-lai;WANG En-yuan;LIU Xiao-fei;LIU Zhen-tang

..............page:44-46,119

Analysis on Gas Geological Influence Factors in Fuda Mine
LI Qing-song;LI Xiao-hua;LI Kun

..............page:108-111

Analysis on Serious Hidden Dangers and Solution of Cover Open Power off When Artificial Grounding
GUO Chun-ping

..............page:94-98

Research on ZFY5.0/600 Mode Large Diameter Raise Boring Machine
LIU Zhi-qiang;XU Guang-long

..............page:87-90

Equipment Stability Control Technology of Fully Mechanized Coal Mining Face in Steep Inclined Seam
LIU Ying-zhi;TU Hong-sheng;YUAN Yong;SUN Lu-lu;BAI Qing-sheng

..............page:14-17