Font Size: a A A
Keyword [coal pillar]
Result: 41 - 60 | Page: 3 of 10
41. Research On Surrounding Rock Control Techiques Of Mining Roadways Of Coal Seam 15 In Sihe No.2 Coalmine
42. Research On The Impact Of Risk Assessment And The Distribution Characteristics Of Fault Stress During Fully Mechanized Sublevel Caving Mining
43. The Research Of Slope Protect Coal Pillar Reservation And Protection For Combining Open-pit With Underground Mining
44. Spontaneous Combustion Of Coal Pillar Roadway Numerical Simulation Of Temperature Distribution
45. Numerical Simulation On Coal Pillar Stability And Its Influencing Factors In Condition Of Strip-Filling Mining
46. Without Coal Pillar Mining Research About Gob-side Entry Retaining With Anchor Cable And Dense Pillar
47. Study On The Width Of Roadway Protection Coal Pillarand Surrounding Rock Control Technology In Attacking The Working Face Of Xichuan Coal Mine
48. Mechanics Mechanism Of Instability On Overburden-coal Pillar Group
49. The Control Technology In Gob-side Entry Driving With Compound Roof In Deep Roadway Of Zhuji Coal Mine
50. Study On The Surrounding Rock Stability Aanlysis And Its Control Technology Of Floor Roadway Under Coal Pillar
51. Simulation Study On Strata Movement Regularity Of Strip Pillar Mining With Solid Waste Compacted Filling
52. Research On Surrounding Rock Control Technologies Of Narrow Pillar Of Mining Roadways In Island Coal Face In Thick Coal Seam
53. Study On Reasonable Width Of Sections Coalpillar In Mining The Ultra-close Multiple Seam
54. Study On The Weak Bonding Of Thick Coal Seam Fully Mechanized Coal Caving Section Coal Pillar
55. Researches On The Overburden Strata Control Of Thick Coal Pillar Paste Filling Slice Mining
56. Study On The Recovery Of The Residual Coal Pillar In Room And Pillar Goaf Using The Paste Backfilling
57. There Is No Key Strata Reducing Waterproof Coal Pillar Mining Under Ⅰ Classes Water Bodies
58. Study For The XIQU Of The Section Coal Pillar For The Technology Of The Reasonable Retainment
59. Research On The Coal Pillar Size Of Fully Mechanized Mining Face And The Support Technical Of Gate Entry In Hongmiao Mine
60. Research On Rock Burst Prevention And Control About Close Distance Coal Seams Mining In The No.2JiNing Coalmine
  <<First  <Prev  Next>  Last>>  Jump to