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Keyword [pressure relief gas]
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21. Study On The Technique Of Gas Drainage In Pressure Releasing About Steeply-inclined Thick Coal Seam
22. Research On Gas Drainage Technology Of Shengli Coal Mine
23. Study On Deformation Law Of Coal-rock Mass And Result Investigation Of Upper Protective Layer Mining
24. Advantageous Channel Evolution Mechanism And Application Of Pressure Relief Gas Storage And Transportation In Gently Inclined Coal Seam
25. Study On Evolution Laws Of Mining Fissure And Comprehensive Control Of Pressure Relief Gas Of High Methane Working Face In Deep Coal Mine
26. Study On The Technology Of Pressure-relief Gas Extracting From Upward Borehole In The Lateral High Drainage Roadway
27. Experimental Investigation On Gas Seepage Law Of Under-ralated Layer Under Repeated Mining
28. Numerical Simulation And Study On Gas Drainage From Boreholes In Xie-yi Coal Mine Under Upper Protective Layer Mining
29. Research On Protection Scope And Pressure Relief Gas Drainage Of Protective Layer Under Thin Coal Seam
30. Comparative Study On Gas Drainage Method In A Single Low Permeability And Thin Seam
31. Study On Enhanced Penetration Technology Of Hydraulic Fracturing In High Gas Coal Seam
32. Study On Seepage Law And Application Of Long-distance Lower Protective Seam Mining
33. Study And Application Of Pressure Relief Gas Migration In Fully Mechanized Coal Caving In Gently Inclined Coal Seam
34. Numerical Simulation Study On The Evolution Law Of Overburden Fractures In Fully Mechanized Top Coal Caving Face With Narrow Coal Pillar In Inclined Coal Seam
35. Experimental Study On Influencing Factors Of Fracture Evolution Law Of Pressure Relief Gas Migration Channel
36. Evolution Characteristics Of Cracks In Coal And Overlying Strata Caused By Mining Of Coal Seams And Their Influence On Gas Drainage
37. Theory Model Of Mining Fracture Annular Body And Its Application In Pressure Relief Gas Drainage
38. The Evolution Law Of The Dominant Channel Of Pressure Relief Gas In The Overburden Cracks In The Mining Area
39. Identification And Application Of Overburden Pressure Relief Gas Accumulation Area In Thick Coal Seam Of Yuhua Coal Mine
40. Evolution Law And Application Of Pressure Relief Gas Storage And Transportation Area In Coal Seam Group With Repeated Mining
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