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Keyword [coal seams]
Result: 21 - 40 | Page: 2 of 10
21. Study Of Deformation And Destruction Mechanics And Numerical Simulation On Ascending Strip Mining Of Short Distance Coal Seams
22. The Optimizing Design Of Bolting Support Multi-coal Seams And Little Intervals Roadway
23. Experimental Study On Shallow Hole Irrigating To Coal Seams In High Gas Synthesis Mines Working Face
24. Study On The Surrounding Rock Controlling Technology Of Floor Roadway Under Closed Distance Coal Seam Group
25. Study On The Stress Field And Movement Laws Of Overlying Strata In Gently Inclined Multi Coal Seams Mining
26. Investigation On Protection Range In Exploiting The Upper-protective Layer Of Inclined Coal Seems
27. Research On Rock Strata Between Coal Seams Movement And Deformation In Pillar Ascending Mining Of The Left-over Coal In Jinhuagong Mine
28. Research On Movement And Deformation Rules Of Rock Strata Between Coal Seams In Caving Method Upward Mining Of Left-Over Coal With Numerical Simulation
29. Research On Gas Injection And Methane Drainage Numerical Simulation Of Low-permeability Coal Seams
30. Research On Geologic Controlling Factors Of Coal And Gas Outburst Of E Group Coal Seams In Pingdingshan Mining Area
31. Failure Characteristics Of Gob Floor And Impact In Close Distance Coal Seams
32. The Study On Regional Outburst Prevention Technique With Progressive Protection Of Gob-side Entry Retaining Of Current Seam
33. Study On Released Range And Gas Drainage Of Close Lean Upper Protective Layer
34. Research Of Uphill Roadway Reasonable Arrangement And Support In The Gently Inclined Coal Seam Group Cross Mining
35. Study On The Relevant Technology Of Ultral-Close Thin Coal Seams Mining Under Complex Surrounding Rock Condition
36. The Simulation Research On The Gas Pressure Distribution Of Coal Seam By Shocking With High-pressure Air
37. Study On Ascending Mining In The Mine Of Hejiata
38. Interaction Between Key Components Of Oxygen - Enriched Coal - Fired Flue Gas And Different Coal - Rank Coal
39. Law Of Hydraulic Fracturing Crack Initiation In The Multi-layered Coal Seams
40. Coalbed Methane Well Well-type And Pattern Optimal Design In The Multiple Coal Seams Area With Different Structure Conditions
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