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Keyword [soft coal]
Result: 41 - 60 | Page: 3 of 8
41. Research Of Soft Broken Seam Roadway Failure Mechanism In Mine Collapse Column Density
42. Research On The Overlying Strata Movement And Regulations Of Top Coal Drawing In Steeply Inclined Three-soft Coal Seam With Longwall Top-coal Caving Mining
43. Coal Breakage Impact By High Pressure Rotary Water Jet And Induced Pressure Relief And Permeability Enhancement By Hydraulic Flushing Cavity: Mechanism And Application
44. Study On Soft Coal Seam With Great Mining Height And Surrounding Rock Control Under The Complex Geological Conditions
45. Research On Mine Pressure Law And Surrounding Rock Control Of Mining Height Face In Soam In Zhaozhuang Coalmine
46. Study On Mechanism And Control Technology Of Rib Spalling In Fully Mechanized Caving Face With Great Mining Height Of Three-soft Coal Seam
47. Research On Technology Of Surrounding Rock Controlling In Three-soft-coal Seam Drifting Along Goaf
48. Research On Gas Extraction Technology Of Low Permeability And Soft Coal Seam
49. Technology Research On Through Rock Blasting In Long-hole To Improve Permeability In Regional Bands Of Soft Coal Seam
50. Distribution Characteristics Of Abutment Pressure In Front Of Coal Face In The Soft Coal Seam And Its Surrounding Rock Control
51. Experimental Study On The Electrical Parameters Of Being Loaded Gas-filled Coal
52. The Study On Gas Comprehensive Drainage Technology Of "Three-soft" Coal Face
53. Study On Support Technology Of Gob-side Entry For Steep Three Soft Coal Seam
54. Research On The Technology Of Supporting In Extra-thick And Soft Coal Seam Tunnel
55. Research On Instability Mechanism For Sealing Segment Of Boreholes And Reinforcing Dynamic Sealing Techniques
56. Research On Bolt-Cable Combined Supporting System For Soft Coal Openning Of Quang Ninh Coal Mine In Vietnam
57. Research On Analysis Of The Narrow Coal Pillar Stability And Its Surrounding Rock Controlling In Three-soft-coal Seam Drifting Along Goaf
58. Study On Strata Pressure Characteristics Of The Interbedded Rocks And The Anchor Scheme In Soft Coal
59. Study On Mechanism Of Borehole Collapse And Improvement Measures Of Gas Drainage Borehole In Soft Coal Seam
60. Mechanical Mechanism Of Drilling Rod Sticking In Outburst Soft Coal Seam
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