Coal Science and Technology 2012 Issue 2 Analysis and Study on Origin of Screen Underflow from Vibration Screen Jig

Analysis and Study on Origin of Screen Underflow from Vibration Screen Jig
wu wei cheng ; wang bin ; wu guang ming ; li xiao peng

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

Determination on Rational Location of Final Terminal Mining Line for Protective Seam Pressure Releasing and Mining in Two Seams
zhang xiang yang ; tu min ; yang ke ; cha wen hua

..............page:15-18,39

Study on Measuring and Test Technology of Ground Stress Field in No. 10 Mine of Pingdingshan Coal Mining Group
guo qi feng ; ji dong

..............page:12-14

Preparation Principle and Research Progress of Coal Pitch Water Slurry
wei wen zuo ; liu ling feng ; li xing ; li yan wei ; chang hong hong

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

Resistance Measurement and Optimized Plan of Ventilation System in Wangchao Mine
wang wen cai ; wang jun feng ; liu jing yuan ; wang rui zhi

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

Study on SVPWM Algorithm of 60° Coordinate System Mine Frequency Converter
wang chang ; wang cong ; liu jian dong ; cheng hong

..............page:94-97

Mine Pressure Bumping Prevention and Control Technology of Revolving Mining Face Under Influences of Irregular Coal Pillar
chen fa bing ; mao de bing ; lan hang ; pan jun feng ; wang shu wen

..............page:8-11

Verification and Analysis on Upper Limit Increased Coal Mining Method in Coal Mining Face of Panbei Mine
li jun bin ; yang ke ; hou jun ling ; li jun

..............page:25-28,48

Test and Analysis on Misfire Cause of Detonator in Mine Blasting Operation
zhang lei ; lu jie ; chen lian cheng

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

Study on Different Type Structure Coal Features and Gas Outburst Control
hu guang qing ; jiang bo ; chen fei ; qu zheng hui

..............page:111-115

Analysis and Study on Setting Load of Double Telescopic Leg in Hydraulic Powered Support
liu xin ke

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

In-Situ Rapid Measuring Technology and Application of Coal and Rock Strength
ma wan xiang ; chen zhi zhong ; wang zhan ling

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

Analysis on Outburst Prevention Mechanism of Borehole Hydraulic Flushing Measures for Deep and Low Permeability Seam
liu ming ju ; cui kai ; liu yan wei ; deng qi gen ; liu ying zhen

..............page:45-48

Experiment Study on Obstacle Shape in Pipeline Affected to Gas Explosion
qin jian ; tan ying xin ; wang hui qing ; pan peng fei

..............page:60-62

Study on Electric Power Quality Problem of Mine Electric Power Supply Network Affected by Electrified Railway System
ji li ping

..............page:80-82,86

Analysis and Practices on Integrated Match of Backfill Mining Equipment
dong shou yi

..............page:98-101

Analysis on Stability of High Ground Stressed Chamber Group in Deep Mine Shaft Bottom
zhou min ; huang xing ; shi kai

..............page:32-35,39

Research and Design on Mine Flame Proof Coal Ash Analyzer
wang wen qing

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

mei tan ke xue ji shu za zhi tou gao xu zhi
wu

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

mei kuang zong he zi dong hua ji ji dian ji shu lun wen ji zheng gao qi shi
wu

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

Application of Seismic Technology to Study on Coal Reservoir in Changzhi Jingfang Mining Area
zuo tao tao ; liu da meng ; yao yan bin ; he ling fang ; li peng

..............page:102-106

Study on Pressure Distribution Law and Control Factors of Coal Bed Methane Reservoir in South Part of Qinshui Basin
jing xing peng

..............page:116-120,124

Application of Borehole Hydraulic Flushing Technology to Soft and Outburst Seam with Low Permeability
wang zhao feng ; fan ying chun ; li shi sheng

..............page:52-55

Study on Application of Deep Borehole Pre-Fracturing Blasting Technology to Seam Opening in Mine Shaft
liu jian ; liu ze gong

..............page:19-21,24

Study on CO2, CH4 and N2 Adsorption and Desorption Law of Seam
tu yi ; xie chuan li ; li wu guang ; zhao xing hua ; wu meng

..............page:70-72,93

Practices on Gas Drainage with Cavity Completion Borehole Passing Through Soft and Outburst Seam
sun si qing ; zhang jian ; an hong tao

..............page:49-51,55

Experiment Study on Index Gas Selection of Coal Spontaneous Combustion in Pingshuo Mining Area
zuo jian ming ; peng ju ; wu yu guo

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

Development Status and Tendency of Technology and Equipment for Fully Mechanized Coal Mining in China
shen bao hong ; guo yu hui

..............page:1-3,44

Features of Ventilation System in Dawan Mine and Ventilation Capacity Approved
xie xiong gang ; zhou lin feng ; hu li ting ; li qian kun

..............page:56-59

Real Time Measuring and Control System Based on Regional Site Bus of Mine Ventilation Gas
jin zhi xin ; ma ping

..............page:73-76

Development and Application of New Mine Chemical Grouting Material
zhang hu shi ; xiang jian fei

..............page:36-39

Comparison Analysis on Underground Mine Related Emergent Refuge Regulations of China and USA
yang da ming ; wu yue

..............page:40-44

Practices on Shield Beam Replacement Technology of Hydraulic Powered Support in Fully Mechanized Coal Mining Face
zhang min

..............page:91-93

Design and Practices on Optimized Route of Mine Rescue Robot Based on GIS
jia jian hua ; ren peng ; cai zuo ; miao nai zhe

..............page:77-79,86

Gas Bearing Property and Geological Influence Factors of Major Seam in Hongmei Exploration Area of Western Guizhou
chang hui zhen ; qin yong

..............page:107-110

Hydraulic Powered Support Jammed Mechanism and Prevention Technology of Fully Mechanized Coal Mining Face in Daliuta Mine
ju jin feng ; xu jia lin ; zhu wei bing ; chen su she

..............page:4-7,31