Coal Science and Technology 1999 Issue 1 ke yan cheng guo

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Coal Science and Technology
0253-2336
1999 Issue 1

ke yan cheng guo

..............page:55

Sticking to Technology Development Along Innovation Way
Zhao Jingche

..............page:52-54

Variation of Crystal Structure in Coking Coal Affected to Residuum Carbon Making of Flying Ash in Fluidized Bed Boiler
chen xu ; lu zuo ling ; niao ; yang xiao yong

..............page:49-51

Floatation Theory and Practice of Different Volortile Coal
guo meng xiong ; huo wei dong ; an zheng ; xiao ze jun ; wang qian feng ; dai zheng ; cui yu bao ; zhang xue jun

..............page:46-48

Status and Development of Mine Roadway Excavation Mechanization in Pingdingshan Mining Area
wang chen ming ; wang yuan xun ; li shu sen

..............page:43-45

Study on Classification of Seam Coal in China
Chen Peng

..............page:39-42

Discussion on Several Key Issue of Deep Freezing Shaft
Chen Xiangsheng

..............page:36-38

Discussion on Coal Mining of Water Proof Reduceble Coal Pillar in Some Area of Pangji Coal Mines of Huainan
yuan liang ; liu man cai

..............page:32-35

Optimized Rebuilding of Underground Coal Flow System in Dongtan Coal Mine
zhang ying di ; deng xiao lin

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

Development and Application of Mechanical Type Auto Dust Controller for Belt Conveyor
zhao wen kai ; zhang xi ping ; ma shi xing ; guo yu xiang

..............page:27-28

Full Mechanized Caving Mining Technology Making Over 100 Years Old Mine with High Production and High Efficiency
zhong ya ping ; zhang rui xi ; ban chun sheng

..............page:24-26

Treatment Technology for Special Large Water Inrush Disaster in Ordovician Sink Hole
Min Shangjiang

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

Design Method and Practice of Vertical Wall Type Water Dam
Liang Jie

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

Combined Bolt Support Technology for Full Seam Gateway of Full Mechanized Caving Face in Xingtai Mine
wang jin hua ; xiu zuo liang ; zhao sen lin ; han chao jun

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

Study Status, Existing Problem and Development Tendency of Coal Mining Under Village in China
li feng ming ; geng de yong

..............page:10-13

Rapid Developed Modernization of Mine Auxiliary Transportation with New High Technology in China
Chen Huanying

..............page:6-9

Development Tendency of Urban Underground Rock and Soil Engineering
liu tian quan ; qian qi hu

..............page:1-5