Coal Science and Technology 1999 Issue 9 Treatment of Roof Falling Accident in Construction of Water Energy Storage Plant in Ming Tomb,Beijing

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Coal Science and Technology
0253-2336
1999 Issue 9

Treatment of Roof Falling Accident in Construction of Water Energy Storage Plant in Ming Tomb,Beijing
Yang Chunlai

..............page:1-3

Practice on Liberation of No.2311 Firing Area with Nitrogen Injection in Caili Coal Mine
Wang Xianzhong

..............page:4-5

Connecting Method of Large and Small faces for Fully Mechanized Coal Mining Face
wen gan nian ; zuo you dong

..............page:6-7

Features and Application of Completed Bin/Gear Car Operation Equipment
Gao Lin

..............page:8-9

Development and Application of V Type Short Beam
bi yuan zhi ; lv xiu ming

..............page:10-11

Treatment of Surrounding Wall Falling and Drilling Bit Jammed in West Mine Ventilation Shaft Boring at Longdong Coal Mine
zhu you en ; zhang zhao xu ; zhou zun fu

..............page:12-13

Issues to Design of Mine Flame Proof Enclosue
Li Ying

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

Application of High Strength Material to Rubber Tire Vehicle
Dai Zhiye

..............page:18-20

Improving Service Life of Fine Crushing Wheel in Squirrel-Cage Coal Crusher
zuo zhi xing ; meng zhao hong

..............page:21-23

Method of Electric Leakage clock Control in 12 CM 18 Continuos Miner
Lu Zhengxiong

..............page:24-25

Study on Contact Resistance Method to Determinate Lubrication of Worm Drive
zhang you chen ; meng hui rong ; fan xun ; zhang li ren

..............page:26-29

Test on Blasting and Water Injection Pretreatment for Hard Coal Seam in Fully Mechanized Coal Mining Face
suo yong lu ; li de zuo

..............page:30-31

IGBT Sensitive Heating Electric Power with Locking Phase Control
wang yi hong ; cui jian ming

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

Study and Test on New Grinder of Coal Water Mixture
lu zai qing ; shi jing

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

Study on Roof Strata Displacement Measurement and Support Status of Mining Panel
ye ming liang ; ma jia song

..............page:38-42

Effective Access to Improve Coal Quality in Guihu Coal Mine
Liao Yongtong

..............page:43-44

Quantitative Evaluation of Geological Structure Applied to Prediction of Gas Outburst
Han Tongchun

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

Scientific Confirmation of Production Capacity for Mine Coal Preparation Plant of Pingdingshan Coal Group Corp
zhang tie gang ; wu xin ; sun jin ming

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