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Keyword [protective seam]
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1. Deformation And Permeability Distribution Rule Of Overlying Outburst Seam In Exploiting Extra-Thin Protective Seam By Drilling Method And Its Application In Pressure Relief Gas Drainage
2. Research On Evolution Of The Multiple Field And Security Pillar In Condition Of The Closed Protective Seam Mining
3. Rational Protection Range Of Lower Protective Layer And Application In Pressure-relief Gas Extraction
4. Study On Destressing Effects After Mining Protective Seams Of The Deep Thick Coal Seam With Large Obliquity And High Burst Liability
5. Determine The Protection Scope And Inspect The Protection Effect Of Protective Seam Mining Of The Wang Xingzhuang Coal Mine
6. Study On Pick Wear Of Coal Auger For Protective Seam Mining
7. Study On The Gas Control Simulation Experiment Of The Lower Protective Seam In Gubei Coal Mine
8. Study On Methane Controlling Technology Of Upper Protective Seam Mining Of5132(5) Working Face Of Xieyi Coal Mine
9. Study On Mining Fracture Distribution After The Lower Protective Seam Was Mined And Pressure-relief Gas Drainage
10. Study On The Mechanism And Application Of Pressure Relief Of Thin Coal Seam Mining As Upper Protective Seam In High Gas Coal Seams
11. Effect Analysis On Pressure Relief And Applicationg In Pressure-relief Gas Extraction For Protection Seam Mining Of Thick Coal Seam
12. Research On Treatment Of Lower Protective Release Range And Release Gas At Close Distance Multiple Coal Seam
13. Study On Protective Seam Mining And Roadway Arrangement For Coal Seams With High Gas
14. Study On The Pressure Relief Mechanism Of Upper Protective Seam Mining And Gas Extraction Technology In Close Coal Seams
15. Study On Disposed Methane Drainage Technology Of Close-distance Underlying Protective Seam Mining
16. Research On The Geodynamic Condition And Prevention Technology Of Rockburst In Datai Mine
17. Research On The Stress Relief And Fissure Evolution And Seepage Flow Characteristics For The Lower Protective Seam Mining With Large Interburden
18. Research On Strata Movement And Pressure-relief Gas Drainage Of Short-distance And Under-protective Steep Seam Mining
19. Study On Deformation Law Of Coal-rock Mass And The Protection Range Of Under Underside Protective Seam
20. Research On Xima Mine Minimum Distance Analysis Of Lower Protective Seam
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