Font Size: a A A
Keyword [coal pillar]
Result: 21 - 40 | Page: 2 of 10
21. Study On The Reclimaning Of Fault Waterproof Coal Pillar In Mafang Mine
22. Research Of Coal Spontaneous Combustion Laws And Preventing Technology In Easy Self-ignition Coal Seam Exploiting Without Coal Pillar
23. Fluid-Solid Coupling Analysis Of The Safety Of The Waterproof Coal Pillar
24. Management Technology Study Of Water-Proof Coal Pillar Of Mining Border
25. Study On The Coal Pillar Stability Of Deep And High Seam Strip-Partial Mining And Its Impact On The Village In Gucheng Coal Mine
26. Study Of Surrounding Rock Structure And Deformation Mechanism Of Roadway Under Different Widths Of Section Coal Pillar
27. Research On Reasonable Size Of Steeply Dipping Seam Strip Coal Pillar Under Village
28. Study Of Deformation And Destruction Mechanics And Numerical Simulation On Ascending Strip Mining Of Short Distance Coal Seams
29. Fluid-Solid Coupling Analysis Of The Fault Waterproof Coal Pillar
30. Research On Longwall Rigid Separating Pillar Mining Technology Of Small Colliery In YSF Field
31. The Optimizing Design Of Bolting Support Multi-coal Seams And Little Intervals Roadway
32. Research Of Security Mining Technology For Coal-Pillar Below Railway Bridge
33. Study On The Key Technique Of Strip Coal Pillar Recovered By Driving Roadway And Filling
34. Research On Deformation Characteristics And Control Technology Of The Along Roadway
35. Study On Retaining Safety Coal Pillar Against Sand With Fully Mechanized Caving Under Thick Alluvium And Thin Bedrock
36. Strata Behavior Of Fully Mechanized Coal Face With Sublevel Caving By Light Supports In Faults Pillar
37. Study On The Computer-Aided Design Of Strip Mining
38. Research On Failure Mechanism And Control Technology Of Surrounding Rocks In Dynamic Pressure Roadway
39. Study On The Roadway Stability Control Of Fully-mechanized Top-coal Caving Long-wall Face In Soft And Thick Coal Seam
40. The Theoretical And Application Research Of The Reasonable Retainment Width Of Section Coal Pillar In Large Dip-medium Thick Coal Seam
  <<First  <Prev  Next>  Last>>  Jump to