Coal Science and Technology 2009 Issue 2 Strike Coal Pillar Affected to Strata Pressure of Fully Mechanized Longwall Mining Face with High Cutting Height in Closed Distance Seam

Strike Coal Pillar Affected to Strata Pressure of Fully Mechanized Longwall Mining Face with High Cutting Height in Closed Distance Seam
WANG Xiao-zhen;XU Jia-lin;ZHU Wei-bing;SHI Xi-shu;LIU Wen-tao

..............page:1-4,21

Pre-grouting Technology at Surface for 100 m Thick High Weathered Rock Zone in Ventilation Shaft of Yangcun Mine
CHEN Ruo-fei;LI Sheng-sheng;DING Zhen-yu;SUN Guang

..............page:5-7,12

Surrounding Rock Deformation Law and Support Technology of Mining Gateway in Huagushan Mine
LUO Qing-he

..............page:8-12

Study on Complex Active Support System of Seam Gateway with Thick Carbonaceous Mudstone Roof
DU Bo;XIE Sheng-rong;HE Fu-lian;ZHANG Shou-bao;LI Kai-qing;ZHU Xue-song

..............page:13-16

Application of Fully Mechanized Coal Mining Face Crossing over Rock Crosscut in Tucheng Mine
XIAO Ping-chuan

..............page:17-21

Key Technologies on Fully Mechanized Top Coal Caving Mining of Ultra Thick Seam in Tashan Mine
HUANG Qing-guo

..............page:22-24,28

Analysis on Ground Subsidence Control Mining Plan with Grouting in Overburden Separated Strata above Coal Pillar Under Railway Line in Tangshan Mine
HUANG Xu

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

Application of Liquid Nitrogen Freezing Technology to Water Sealing Rescue in Mine Shaft
YUE Feng-tian;WANG Tao;TAN Lu-xin;QI Ji-long;GUO Zhong-kuan;ZHANG Hong-qing

..............page:29-31,46

Test and Research on High Strength and High Performance Shotcrete
XU Yong-hong;LI Kai-qi;LI Jin-hai

..............page:32-34,62

Support Technology of Gob - Side Entry Retaining under Limestone Roof
JIANG Wei

..............page:35-37

Monitoring and Analysis on Stressed Status of Mine Freezing Shaft Outer Liner in Deep Thick Overburden
CAI Hai-bing;CHENG Hua;YAO Zhi-shu;RONG Chuan-xin

..............page:38-41

Research Method of Gas Deposit Law Base on Multi Resource Gas Data Fusion
LONG Wei-cheng;LIU Ming-ju;CHEN Zhi-sheng;MU Quan-bin

..............page:42-46

Testand Research on Gas Explosion Transmission in Pipeline
SI Rong-jun

..............page:47-49,123

Analysis and Improvement of Accident Prevention Strategy in China Enterprises
BAI Yuan-ping;FU Gui;GUAN Zhi-gang;QI Rui-gang

..............page:50-52,126

Comprehensive Gas Drainage Technology of Fully Mechanized Mining Face in Seam with Soft Roof, Soft Coal and Soft Floor
HUANG Yong-fei;DING Jin-hua;JIANG Guo-fang;WANG Wei-zhen

..............page:53-55

Practices on Completed Set Technology of Local Gas Control in Huainan Coal Mining Area
FANG Liang-cai;XIA Kang-sheng

..............page:56-58,93

Measuring and Calculation Method of Borehole Effective Gas Drainage Radius
DU Ze-sheng;LUO Hai-zhu

..............page:59-62

Finite Element Analysis on Electric Cutting Motor Chassis of Mine Roadheader
HAO Jian-sheng;LI Chun-ying;LIU Ying-lin

..............page:63-66

Design on Remote Monitoring and Control Diagnosis System of Loading Station Based on Web Technology
LI Chun-lei;NI Wen-jing;CHAI Hai-tao

..............page:67-69,75

Inner Model Control of Inverse System for Three Phase Voltage Mode PWM Rectifier
GUO Jia-hu;ZHANG Lu-hua;CAI Xu

..............page:70-75

Key Technology of Remote Monitoring and Control Platform for Coal Shearer Base on Virtual Prototype
NI Wen-feng;WANG Zhong-bin;LI Shu-bin;WANG Lei-lei;MENG Fan-wang

..............page:76-78,81

Analysis on Conventional Electric Fault of 12CM15 Mode Continuous Miner
MA Xiao-yan;GUO Jian-jun

..............page:79-81

Design and Simulation of Adaptive Control for Roadheader Manipulator
LI Jun-li;LIAN Zi-sheng;LI Yuan-zong

..............page:82-85

Design and Development of Thermophysic Performance Parameter Measurement System for Bulk Coal
CHEN Qing-hua;ZHANG Guo-shu;GUAN Wei-juan;TANG Ming-yun;DENG Ming

..............page:86-89

Design on Optical Fiber and Optical Grating Bolt Dynamometer with Temperature Compensation
LI Yi;CHAI Jing;QIU Biao

..............page:90-93

Analysis and Research on Simulation of Electric and Hydraulic Controlled Brake Valve
WU Juan;KOU Zi-ming

..............page:94-96,107

Digitalization Technology of Mine Gas Geology Based on GIS
CUI Jun-fei;LI Xiang-dong;LI Ming-jian

..............page:97-99,116

Research and Development on TMS320C2812 Intrinsic Safe Secondary Explosion Detector
SONG Li-ye;WANG Bei-bei;PENG Ji-shen

..............page:100-102

Porosity Features of Coal Deposits in Gaojiazhuang Block of Qinshui Basin
YAN Zhi-feng;TANG Shu-heng;FANG Nian-qiao;ZHU Bao-cun;ZHANG Jia-zan

..............page:103-107

Application of Trend Surface Analysis to Magmatic Rock Affected to Seam
XU De-jin;HU Bao-lin;WANG Hong-zhi

..............page:108-110

Experiment and Study on Thermostatic Pyrolytic Hydrogen Making with Coal Slurry Water
ZHANG Lei;ZHANG Lei;SHU Xin-qian;LOU Ke-qi;ZHANG Li-xin;ZHANG Yue;SUN Xiu-jun

..............page:111-113

Conversion Catalyst Sulphidization Process of Coal Base Methanol
BAI Yu-hua

..............page:114-116

Coking Waste Water Treatment with A/O Method Base on Pressurized Biological Membrane Reactor
ZHENG Jun;ZHANG Shi-hua;WANG Jian

..............page:117-120

Measurement and Analysis of Mercury Distribution in Raw Coal
SU Li;LI Yu-lin;LU Mai-xi;FENG Li-pin;LIU Hong-ying;JIA Jin-wei

..............page:121-123

Reconstruction Plan of Coal Slurry Closed Circulation in Fangezhuang Coal Preparation Plant
SUN Jian-zhong

..............page:124-126

Measures to Reduce Medium Consumption of Fangezhuang Coal Preparation Plant
ZHU Jian-xin

..............page:127-128