Coal Mining Technology 2009 Issue 1 Research on Non-coupling Charging Coefficient in Softening Hard Roof with Deep-hole Blasting

Research on Non-coupling Charging Coefficient in Softening Hard Roof with Deep-hole Blasting
XU Gang;LIU Quan-ming

..............page:20-21,4

Meso-structure Information Acquisition and 3D Construction of Coal and Rock
LI Hong-yan;QI Qing-xin

..............page:15-19

Application and Prospect of Coal Cutter in Thin Coal Seam with Large Dip Angle
GUO Dai;XU Sen-xiang;HAN Bao-min

..............page:12-14,66

Current Development Status of Full-mechanized Mining in Thin Coal Seam
LIANG Hong-guang

..............page:9-11,24

Research and Application of Full-mechanized Caving Mining with High Mining Height in Huaibei Mining Area
LI Wei;LIU Sheng-you

..............page:5-8

Test Research on Coal Drop with Liquid CO2 Blaster
wei gang ; xia hong man ; jiang feng gang ; zhang le you ; cui sheng li ; sun ping yuan

..............page:22-24

Test Research on Preventing Spontaneous Combustion in Gob with Pre-injecting Inhibitor into Coal
NIU Guo-xiu;YAO Jian;KANG Huai-yu;TIAN Dong-mei

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

Method Research and Application of Rock-burst Signal Denoising Based on Wavelet Transformation
ZHOU Yan-jiang;PAN Yi-shan

..............page:29-31

Analysis of Data Exception of Bolt Dynamometer
WU Zhi-gang

..............page:32-34

Research on Mining Technology with High Mining Height and Development of Powered Support for High Mining Height
WANG Guo-fa

..............page:1-4

Influence of Coal Mining under Village on Buildings and Technology of Building Protection and Maintenance
YIN Jin-ping

..............page:52-53,56

Application of Directional Rupture Blasting Technology with Energetic Pipe in Rock Roadway Driving
WANG Yi-he;GAO Zhan-xue;SU Qi

..............page:54-56

Combined Supporting Technology with Pressure Releasing and Yielding in Deep Roadway under Combined Roof
QING Shui-li

..............page:57-59

Roadway Supporting Technology Influenced by Mining and Protective Pillar Design
YAN Li-xin;ZHAO Jun

..............page:60-63

Application of Combined Slotting in Driving Hard Rock Roadway
YANG Jian-hua

..............page:64-66

Application of Reinforcement Technology with Grunting in Full-mechanized Mining through Empty Roadway
FENG Lai-rong;LIANG Zhi-jun

..............page:67-68,78

Development and Application of Powered Support for Full-mechanized Mining Steeply Inclined Coal Seam in Guangneng Group
ZHOU Bang-yuan;LIU Fu-an;ZHANG Liang

..............page:69-71

Design of Planar Turning Mechanism for Overhead Manned Equipment for Mine
XIAO Gong-ping

..............page:72-74

Coordination of Full-mechanized Mining Equipments and Powered Support Design for Extremely Thin Coal Seam with Large Angle
NING Gui-feng;DU Zhong-xiao

..............page:75-76

Combined Test Run of Mining Equipments of the 1st Mining Face On Ground in Tashan Colliery
ZHANG Hong-ming

..............page:77-78

Research on Start Time Variance of Soft Starter
ZHU Ze-jun;LU Ming;CAO Da-yuan

..............page:79-80

Typical Malfunction Analysis and Prevention Measure of Scraper Conveyor
CHENG Jun

..............page:81-82

Forecast of Basic Roof Weighting Based on Elastic Shearing Beam Model
ZHANG Xiang-yang

..............page:83-84,19

Observation of Underground Pressure in Dismantling Channel of Full-mechanized Mining Face
WAN Zheng;WU Shi-liang

..............page:85-86,59

Analysis and Countermeasures of Hiding the Truth of Accident in Small Colliery
SI De-wen

..............page:98-99,74

Application of Three-phase Froth in Fire Preventing and Distinguishing
YAO Da-gang

..............page:96-97

Applying Technology of High Drilling Drainage to Preventing Gas Accumulation at Upper Corner of Full-mechanized Mining Face
WU Guang-hui

..............page:94-95,91

Gas Preventing and Controlling Technology at Short Roadway in"Wedge"Mining face
SHAN Jia-yong

..............page:92-93,28

Applying Hydrostatic Grunting to Preventing Water-burst in Deep Mine
SI Zhi-qun;CHENG Wen-fu;TIAN Jun-xian

..............page:89-91

Application of Prediction Method of Gas Drainage Effect in Wangpo Colliery
ZHANG Zhi-gang;JIA Guang-sheng;YANG Li-ping

..............page:87-88,34

Development of Water-glycol Fire-retardant Hydraulic Liquid for Underground Mine
HOU Jian-tao;LIU Shan-shan;SHEN Dong;WANG Yu-chao;HAN Yong

..............page:35-36,41

Rational Roadway Layout Pattern for Mining Coal Seam Group with Close Quarters in Hedong Colliery
WANG Guang-hui

..............page:37-38,80

Design and Construction of Inclined High-capacity Bunker for Tinpot Coal under High Stress and through Multi-layer in Deep Mine
ZHOU Jie;ZHANG Lei

..............page:39-41

Research on Coal Caving Technique in Full-mechanized Caving Mining Face of Chengzhuang Colliery
zhao jun ; du hai long

..............page:42-43,47

Practice of Full-mechanized Mining Coal Seam with Large Angle
LI Nai-fang

..............page:44-45

Influence of Coal Strength Coefficient on Width of Protective Coal Pillar
GUO Zhi-lei

..............page:46-47

Key Technology of Full-mechanized Caving Mining under Sea in Longkou
SONG Zi-an;CHANG Ying

..............page:48-51