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Keyword [Coal Pillar]
Result: 61 - 80 | Page: 4 of 10
61. Study On The Stability Of Narrow Coal Pillar Influenced By Main Roof Fracture Structure And It’s Application
62. Research And Application On Width Of Protection Coal Pillar Under Condition Of Compound Rock Strata
63. Study On Mechanism And Prevention Of Rock-burst In Downhill Protection Coal Pillar Area With The Depth Over1000m
64. Study On Floor Heave Control Technology Of Gob-side Entry Driving Inside Coal-pillar In Yuwu Coal
65. Research On Stability Mechanism Of Coal Pillar And Stability Of Surrounding Rock Of Driving Roadway Along Gob In Closed Distance Seam Group
66. Adhibition Study On Coal Pillar Rotary Mining Under Complex Conditions L Island
67. Research On The Feasibility Of Protective Coal Pillar With Paste-like Backfill Mining Under Highway In Xima Mine
68. Research On Mining Feasibility Of Village Protective Coal Pillar In North Filling Mining Area For Xima Coal Mine
69. The Research On The Reasonable Size Of Coal Pillar With Fully Mechanized Caving In Deep Mines
70. Research On Design Of Crossheading Air Stopping In Coal Pillar For Fully Mechanized Caving Face In Suancigou Mine
71. Feasibility Reaearch On Recovery About Boundary Waterproof Pillar In Beiyi Backfill Mining Area In Xima Mine
72. Support Technology And Optimization Of Stress Distribution About Roadway For Complex Conditions
73. Study On Reasonable Width And Control Technology Of Small Coal Pillar Gob-side Entry Driving In Dong Huai Coal Mine
74. Study On Selection Of Roadway Protection Mode And Surrounding Rock Controlling Under Fracture Line Of Thick Hard Roof
75. Research On Deformation Mechanism And Control Technology Of Mining Gateway In Partial W-working Face
76. Comprehensive Treatment Research On Isolated Working Face Under Certain Conditions Of Close Distance Coal Seams And Little Coal Pillar
77. Study On Ordinary Mechanized Longwall Mining Pressure And Control Beneath The Area Mined With Longwall-pillar Method In Close Seams
78. Telabula Open-pit Coal Mine Slope Mining Technology Research
79. The Old Mining Area And Surrounding Rock Stress Distirbuiton Numerical Simuylation Study
80. Research On The Stability Of Roadway Of Narrow Pillar And Grouting Reinforcement Tecnique
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