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Keyword [igneous rock]
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1. Fracture Evolution And Seepage Characteristics Of Distant Pressure Relief Coal-Rock Masses And Application In Gas Extraction Under An Extremely Thick Igneous Rock
2. Study On Hazards Assessment And Prevention Countermeasures Of Coal And Gas Outburst Under Overlying Huge Thick Igneous Rock
3. Study On The Igneous Rock Invasion Coal Seam Gas Emission And Outburst Law
4. Research On Drillability And Bit Selection Of Igneous Rock Layer In North Of Songliao Basin
5. The Wear Mechanism Of Impregnated Diamond Bit In Igneous Rock Formation
6. Investigation On Protection Range In Exploiting The Upper-protective Coal Seam Under The Igneous Rock
7. The Design Of PDC Bit For Drilling Pyrogenetic Rock In Nanpu Oil Field
8. Study On Gas Geological Law And Gas Geological Unit In Qidong Coal Mine
9. Analysis And Control Research On Ingeous Rock Roof’s Pressure Law In Mine Engineering
10. Research On The Mechanism Of Rock Burst In Coal Roadway Under Extremely Thick Igneous Rocks And Control Techniques
11. Study On Synergistic Effect And Optimization Of Volcano Rock Gas Reservoir Volume Fracturing Cracks
12. Improved Research On Protection Technology Of Gas Reservoir In Long Deep Area
13. Study On Control Of Large Sudden Surface Collapse By Grouting Backfill Into Isolated Areas Under The Giant Thick Igneous Rock
14. Study On Stability Of Permian Igneous Rock Shaft In Tazhong Ⅰ Gas Field
15. Study On Drilling Fluid System And Practical Technology Of Permian Igneous Rock Formation In
16. Study On Formation Law Of Ground Fissures Under Extremely Thick Igneous Rock Exploitation In Tiefa Mining Area
17. Research On The Regulation Of Surface Cracks For Xiaonan Coal Mine In Tiefa Caused By Igneous Rock Fracture
18. Study On Load Transfer Law Of Grouting Backfill Under Extremely Thick Igneous Rock
19. Structural Evolution Of Strata And Mechanism Of Synergistic Actions Of Support And Surrounding Rock For Ultra-thick Longwall Top Coal Caving Panel In Laminated Igneous Intrusion Area
20. Research On Adsorption Characteristics Of CO In Coal Under The Intrusion Of Igneous Rock
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