Safety in Coal Mines 2012 Issue 11 Gas Safety and Its Maximum Allowable Oxygen Content Experiment Study of the UCG

Gas Safety and Its Maximum Allowable Oxygen Content Experiment Study of the UCG
liang xin xing ; sun chun bao ; liang jie ; liu li

..............page:20-22,26

Study on the Gas Drainage Width Around Seam Roadway
li xiao jian ; li yan tao ; wang zhao feng

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

Numerical Simulation of Effective Extraction Influence Radius of Soft and Hard Coal Under Different Negative Pressure
yang hong min ; ran yong jin ; xia hui hui

..............page:23-26

The Influence of Coal Consistent Coefficiet on Gas Migration
he ming hua ; wang zhen ; yuan mei ; du yu qin

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

Study on Numerical Simulation and Bolt Grouting Mechanism of Mine Fracture Rock Masses
kang zhi qiang ; guo li wen ; zhang yan bo ; jia yu bo

..............page:27-30

Numerical Simulation on Effective Influence Radius of Hydraulic Flushing Borehole
wei jian ping ; liu ying zhen ; wang deng ke ; wen zhi hui ; li xiang zuo

..............page:9-12

Optimization of Nozzle Axis Spacing in Hydraulic Slotting Based on Fluent
duan yong sheng ; lin bai quan ; di cheng ; zhang qi zhi

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

Numerical Simulation of Crack Extension Laws of Hydraulic Fracturing
zhu hong qing ; li feng ; zhang yue ; pan feng long ; gao ru le

..............page:30-33

Mining Deformation Laws and Control Technology of Roof Gas Tail Roadway
wang ji lin ; chen fang ; tu hong sheng

..............page:17-19

Theoretical Research on Catching Dusts with Atomizing Air in the Coal Seam Drilling
jia ming qun ; wang jian bin ; wang li

..............page:34-36

Study on Transmissivity of Shattered Fault Zone Under Ground Pressure
di jian ting ; wang ji lin ; yang jing

..............page:37-40

Pumping Test on the Karstic Fissure Water in Luotuoshan Coal Mine
yang zhi bin

..............page:41-44

Numerical Simulation of Surrounding Rock Stability in the Excavation Roadway with Trapezoidal Section
yue gao wei ; yuan jun wei ; feng fan

..............page:45-47

Experimental Study on Mechanical Properties of Coal Under Repeated Loading
wang hai long ; chen shao jie ; zhao tie peng ; zhong yi tao

..............page:48-50

Research on Mine Earthquake Mechanism and Vibration Signal Characters in the Fault
lu zhen yu ; zuo lin ming ; liu bao tian ; he jiang

..............page:51-53

Applications Study of Lining Test of New Composite Material Network
wang ling yan ; pang jian yong ; lv pei

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

Relationship Among Gas Expansion Energy and Gas Pressure and Initial Speed of Methane Diffusion
du zhen yu ; yang sheng qiang ; zhao bo

..............page:57-60

The DSS Research of Vertical Shaft Construction Scheme
gong bing jiang ; li xiao ling ; jiang hui xia

..............page:98-100

Mining Technology Practice Under Complex Geologic Structure Working Face
niu jian chun ; zheng yong liang ; zhu shou song

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

Coal Mine Underground Wireless Communication System Based on CDMA2000
fu wen jun

..............page:101-103

guo wai mei kuang an quan xin xi

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

Optimized Technology of High Level Boreholes Gas Drainage Parameters
yang yong liang ; li zeng hua ; hou shi song ; liu zhen ; ma dong juan

..............page:64-67

Control Techniques of Open Air Leakage in Stope Face Goaf
xin li wang ; xing yu zhong

..............page:68-70

The Design of Tram Road Weighing Device
huang he song ; liu zhi cheng ; zhao wen chang ; ji hai ming

..............page:104-107

The Mining Technology Under the Condition of Two Hard and Extremely Close Coal Seam
xia jun

..............page:71-73

Combined Prediction Model of Deep Open Pit High Slope Deformation
hao zhe ; wang zhen wei ; chen dian qiang ; liu hai yang

..............page:74-77

Research and Practice of Crossing Through Fault Roadway Repair Technology
chen xiao po ; liu jian zhuang ; hun bao ju ; li xue jing

..............page:77-80

Strip Mining Technology Under Villiages
feng rui min ; li zuo lei ; fu hui

..............page:85-87

Modularization Design of Equalizer Circuit for Battery Pack in Mine-used Rescue Capsule
tang zuo ; ou yang ming san ; han jia tian

..............page:107-109

caterpillar ba de guo de cai mei ye chuan tong dai ru xian dai hua

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

Research on Underground Personnel Location of Wireless Sensor Network Based on Range-free
li qin ; huang you rui ; jiao zhao xu

..............page:110-112

The Middle and Deep Hole Blasting Technology for Fast Tunneling in the Rock Roadway of Chengjiao Coal Mine
di jing hui ; wang fang tian

..............page:81-84

Mine-used Low Voltage Reactive Automatic Compensating Controller Based on PLC
wang yan wen ; shi jin chun ; bai shu bin ; wang huai hai

..............page:113-115

Mine Advanced Detailed Detection Technology Method and Optimization
mou yi

..............page:88-91

Research on Anti-suspension Tension Method of Steel Rope Guide
yang fu hui

..............page:116-117

Study on Gas Extraction Intelligent Control System
zhu zuo ; jia zhen yuan ; wang kui jun ; wu bei ping ; bai xue

..............page:92-94

di xia cai kuang ye de an quan dian li xi tong

..............page:84-84

Hot Standby Method of High Reliable Safety Monitoring System
guo jiang tao ; yang juan

..............page:118-120

Automatic Switchover Without Off-blast Monitoring System of Mine Main Ventilator
li quan bao ; ma xiao ping ; ji mei

..............page:95-97

Application of the Outburst Elimination Technology of Pressure Relief and Drainage with Deep Hole Blasting for Coal Roadway in Xuandong No.2 Coal Mine
meng xing mang ; jia kai jun ; zhang de cheng

..............page:121-124

ren yuan men bao chi kuang jing kong qi bu wai xie

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

The Practice of Sticking Accident Treatment for Directional Drilling in Jiulishan Coal Mine
zhang jie ; jiang yu zuo ; yao ning ping

..............page:125-127

Practice of Blade Angle Adjustment of Infrastructure Mine Main Fan
cai mao yi ; wang ping

..............page:128-129

Using Ground Radon Measurement Method to Detect Old Kiln Fire Zone
deng jun ; zhao xiao xia ; jin yong fei ; su kai

..............page:130-133

Advance Roof Grouting Technology in Pinggou Coal Mine
zhang jin shan ; ma meng ; fan zhong ming ; kou zuo ; zheng yan tao

..............page:143-145

The Practice of Pressure Air Displacement Method in Roadway Gas Drainage
jing chang bao ; sun ai dong ; ning shang gen

..............page:133-135

Gob-side Entry Driving Position of Small Pillar and Support Design
zhou xian ; zhu shou song

..............page:136-138

leng que huan jing xia de qi ti tan ce

..............page:138-138

Probe About the Determine Method of Gas Pressure Threshold Value of Coal and Gas Outburst
tian kun yun ; zhang jian guo ; lv peng

..............page:146-149

Parameters Investigation of Local Outburst Prevention Measures at Ⅱ 884-1 Driving Face of No.8 Top Slice in Luling Coal Mine
zhou bo ; cheng jian sheng ; xiao jia ping

..............page:150-153

Application of EH-4 Conductivity Imaging System in Detection of Grouting Effects in Goaf Area
li xue liang ; li shu zhi ; hou jin bo

..............page:139-142

Research on Mining Protective Effect in the Long Distance Upper Protective Seam of Tong'an Coal Mine
xie xiong gang ; che hai yun ; zhu yun cang

..............page:154-157

Tectonic Control Analysis of Gas Occurrence Laws in Chongqing Yanjing No.2 Mine
yang ming xian ; huang fu qiang ; zuo shi xuan ; zhang xu

..............page:158-160

Measurement and Analysis on Critical Surface Tension of Coal
chen shao jie ; jin long zhe ; ma de xiang

..............page:161-162,167

Research on Sensitive Indexes and Critical Value of Coal and Gas Outburst Prediction in Xinji No.2 Coal Mine
zhang lei lin ; qin bo tao ; tao wen zhi ; he huai yu ; li hu

..............page:163-167

Discussion on Gas Abnormal Warning Method Based on Single Measurement Point
qu shi jia

..............page:168-170,177

Reasons and Preventive Measures of the Airflow Disorder in Main Shaft of Qinggangping Coal Mine
ma long ; yan jian zhu ; li bo

..............page:171-174

Floor Water Irruption Prediction of Mining Face Above Confined Water
men hui li ; yang jing wei ; liu chuan an ; zhang xi bin ; chen dong sheng

..............page:174-177

Prediction of Airflow Temperature of Shafts with Water Dropping Based on PSO-BP Neural Network
zhang xiang ; wang bai shun ; xu shuo ; yang ding ding

..............page:178-181

kuang jing bao zha fang hu ti xi de jian li

..............page:181-181

Fire Accident Case Analysis and Integrated Control in Second Mining Fully Mechanized Caving Face
chen kai qian ; wang fan

..............page:182-184

Fuzzy Measure Analysis of Groud Displacements and Deformation by Underground Mining Under Complex Conditions
du jin bao ; zhao guang ming

..............page:185-188

Experience Summary of 1201 Working Face Safety Unsealed in Wuhushan Coal Mine
zhang yong ming ; duan xu kai

..............page:188-190

Analysis of Small Coal Pillar Width in Mechanized Caving Face Along the Roadway
sun peng ; guo han qing

..............page:191-193

Analysis of the Influence of Bolt Loading on Rock Mechanics Parameters
gu shuan cheng ; zhang lei

..............page:194-197

Testing and Analysis of Influence of Blasting on Soft Rock Roadway Loose Zone
wang hai bo ; xu ying

..............page:198-200

Control Research on Advance Velocity and Microseismic Events
guo nian bo ; wang ying qi ; zheng you lei ; gui bing ; wang zhi feng

..............page:201-203

The Hazards of Explosion-proof Electric Apparatus Live Working and Its Prevention and Control Technology Measures
zhang shu jiang ; yang xiao dan

..............page:204-206

Discussion on Battery Safety Selection of Mine-used Portable Equipment
liu yu lei ; zhang zhen

..............page:207-209

Improve the Regulatory System to Ensure Safe Drainage in Coal Mine
guo qi wen ; yang guang hui

..............page:210-213

Analysis of Safety Culture Evaluation Index System and Evaluation Methodology in Coal Enterprise
qian hong wei ; yin xiang ju ; shen xia ; wu ji yuan

..............page:214-217

Research of Coal Mine Safety Administrative Penalties in Our Country
wu bing ; liu hong yi ; feng xiao yan ; su zuo

..............page:218-220

Safety Risk Pre-control Based on Polarized Management of Hazards in Coal Mine
meng xian fei ; song xue feng

..............page:221-224