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Keyword [pressure relief]
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1. Research On State Stress Of Coal Seam And Prevention Of Coal And Gas Outburst
2. Pressure Relief Functional Principle Of Stope Underlying Coal-Rock Mass And Application In Gas Extraction Of Protected Coal Seam
3. The Theory And Technology Study On Pressure Relief And Permeability Enhancements Of The Coal Seam With High Concentration Of Gas And Low Permeability
4. Fracture Evolution And Seepage Characteristics Of Distant Pressure Relief Coal-Rock Masses And Application In Gas Extraction Under An Extremely Thick Igneous Rock
5. Deformation And Permeability Distribution Rule Of Overlying Outburst Seam In Exploiting Extra-Thin Protective Seam By Drilling Method And Its Application In Pressure Relief Gas Drainage
6. Rational Protection Range Of Lower Protective Layer And Application In Pressure-relief Gas Extraction
7. Fully Coupled Model And Engineering Application For Deformation And Pressure-relief Gas Flow Of Remote Coal And Rock Mass Due To Mining
8. Mechanism And Prevention Technology Of Rock Burst For Super Thick Seam Roadway In Deep Ground
9. Study On The Scope Of The "Three Zones" Of Gas Pressure Relief And Extraction In Coal Seam Group Mining
10. Research On Rockburst Evolutionary Process And Energy Dissipation Characteristics
11. Research On Control Mechanism Of Surrounding Rock Failure In Deep Roadways With Thick Top-coal And Contrast Of New Support Systems
12. The Study On Drillhole Pressure Relief Preventting Rockburst In Coal Mine
13. Study On Technology Of Bores Through Coal And Rock Seams Draining Long Distance Pressure Relief Gas In Bed Plate Tunnel
14. Study On Adjustment Technique Of Pressure Profile Of Wells Drilling In Daqing Oilfield
15. Study On Technology Of Surface Drillings Draining Pressure Relief Gas Of Coal Seam By Protected
16. Designing And Applied Research On Computer Control System Of 22MN Fast Forging Hydraulic Press
17. Investigation On Protection Range In Exploiting The Upper-protective Layer Of Inclined Coal Seems
18. Study On Investigation Of Preventing Outburst Effect By Driving Roadway Along Goaf In Xin'an Coal Mine
19. Horizontal Tendency Long Borehole Gas Pre-pumping Research On Regional
20. Research On Prediction And Prevention About Rock Burst In Stress Concentration Region Of Dongtan Coalmine
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