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Keyword [low permeability coal seam]
Result: 61 - 77 | Page: 4 of 4
61. Study On Similar Simulation Test Of Chute Controlled Blasting In Low Permeability Coal Seam
62. Study On Fracture Formation Condition Of Low Permeability Coal Seam With Multiple Crack Fracturing
63. Fracture-Seepage Evolution Law By Carbon Dioxide Phase Change Blasting In Low Permeability Coal Seam
64. Study On Evolution Characteristics Of Hydraulic Fracture And Gas Seepage Law In Low Permeability Coal Seam
65. Study On The Extraction Technology Of Low Permeabilty Coal Seam With Carbon Dioxide Phase Transition In Dafosi Mine
66. Research On Multi-stage Pulse Fracturing Mechanism And Composite Technology Of Low Permeability Coal Seam
67. Research On Hydraulic Fracturing And Permeability Enhancement Technology For High Gas And Low Permeability Coal Seam In Zhongxing Coal Mine
68. Study On The CH4 Regularity And Application Of Coal Seam Displaced By CO2
69. Study Of Optimum Drilling Parameters In Low Permeability Coal Seam Based On CO2 Phase Transition Fracturing Technology
70. Research On Mechanism And Technology On Enhanced Drainage By Large Hole Drilling In Soft And Low Permeability Coal Seam
71. Study On The Law Of Gas Extraction Seepage And Increasing Extraction Technology Of Low Permeability Coal Seam In Wangjialing Coal Mine
72. Mechanism And Application Study On CO2 Replacement And Displacement CH4 In Low Permeability Coal Seam
73. Study On Technology Of Liquid CO2 Blasting Improving Permeability And Gas Injection For Promoting Gas Extraction In Low Permeability Coal Seam
74. Research And Application Of Cracking And Increasing Through High-Pressure Air Blasting Technology Applied In Low Permeability Coal Seam
75. Study On Characteristics Of Enhanced Coalbed Methane Drainage By Nitrogen Injection Instead Of Gas In Low Permeability Coal Seams
76. Study On The Gradual Change Rule Of The Influence Range Of Hydraulic Flushing In Layer Drilling Of Changping Coal Mine
77. Research On Anti-Reflection Technology Of Hydraulic Fracturing Of Low-Permeability Coal Seam In Nalinhe No.2 Coal Mine
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