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Keyword [coal seams]
Result: 41 - 60 | Page: 3 of 10
41. Research On The Gateway Arrangement And Controlling Technique Over The Surrounding Rocks In Coal Seams Group With Close Distance
42. Study On The Height Development Of Cracking Zone And The Deformation And Failure Characteristics Of The Overburden During Repeated Mining Of Double Seam
43. Study On Mining Technology Of The Working Face In Pressure Relief Area Of Close Multiple Coal Seams
44. Stability Research On Rock-mass Of Dynamic Roadway In Steeply Thick Coal Seams
45. Research On Supporting Techniques Of Mining-entries In Extremely Steeper Thick Coal Seams
46. Heave Mechanism And Countermeasures Of Large Section Mining Roadway For Close Distance Coal Seams
47. Study On High Mining-induced Stress Evolution And Effects Of Downward Relieving Mining For Closed Coal Seams
48. Study On Gas Desorption Characteristics And Influence Factors Of Content In Panji Deep Mining Area
49. Study On Support Technology In The Lower Seam Of Short Distance Coal Seams
50. Research On Rock Burst Prevention And Control About Close Distance Coal Seams Mining In The No.2JiNing Coalmine
51. Study On Gas Migration Law And Extraction Of Lower Protective Layer Mining In Close Coal Seams
52. Study On The Mining Working Face CO Source And Accumulation Of Close Distance Coal Seams
53. Study On The Mechanism And Application Of Pressure Relief Of Thin Coal Seam Mining As Upper Protective Seam In High Gas Coal Seams
54. Study On The Associated Techniques Of Comprehensive Gas Extraction For Fissure Zones And Coal Seams In Primary High-Gas Face
55. Comprehensive Analysis And Evaluation Of Water Hazards Conditions On Coal Seams Roof Based On GIS Techniques And Multi-source Information
56. Researh On Characteristics Of Overling Strata Movement And Mining-induced Stress And Fracture In Close Multiple-seam Minings In Assending Order
57. Study On The Pressure-relief Gas Extraction Technique Under The Conditions Of Protective Layer Mining
58. Comprehensive Treatment Research On Isolated Working Face Under Certain Conditions Of Close Distance Coal Seams And Little Coal Pillar
59. Study On Upward Coal Seams Movement And Feasibility Of Ascending On The Condition Of Pillar Mining
60. Experimental Study On CO2Adsorption Characteristics Of Coal Sample Spontaneous Combustion In Lu’an Coal Mining Area Typical Coal Seams
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