Font Size: a A A
Keyword [thick hard roof]
Result: 1 - 20 | Page: 1 of 2
1. Study On Key Technologies Of Reasonable Mining In The Condition Of Soft Coal, Thick-hard Roof And Contiguous Seams
2. Study On Selection Of Roadway Protection Mode And Surrounding Rock Controlling Under Fracture Line Of Thick Hard Roof
3. Large Mining Height Thick Hard Roof Control Technology
4. Research On Advance Deep Hole Loose Blasting Technology In Coal Seam Thick Hard Roof
5. Study On Weakening Straight Overburden Sandstone Roof By Deep-hole Blasting
6. Thick-hard Roof Subsidence Control For Slowly Inclined Large-thick Ore Body Under High Tectonic Stress And Its Interaction Mechanism With Backfilling Body
7. Study On Open Mining Pressure Characteristics And Control Technology Of Unequal Thickness Coal Seam In Thick Hard Sandstone Roof
8. Research On Key Technology Of Roadway Retention Along Goaf Under The Condition Of Inclined Thick Layer And Hard Roof
9. Research On Advance Stress Distribution Law Of Thick Hard Roof And Optimization Of Advance Support Technology
10. Research On The Law Of Air Leakage In The Goaf Of Fully Mechanized Coal Mining Face In Deep Thick Hard Roof Thick Coal Seam
11. Research And Application Of The Design Method Of Rock Burst Parameters For Roof Deep Hole Pre-splitting Blasting
12. Dynamic Loading Effect Of Thick-hard Roof Fracture Sources And The Mechanism Of Coal Burst In Gob-side Roadway
13. The Influence Of Mining Height And Thick Hard Stratum On Lateral Coal Stress Distribution And Roadway Surrounding Rock Stability
14. Research On The Control Countermeasures And Dynamic Evolution Mechanism Of Heaving Floor Of Gob-Side Entry Retaining
15. Research On Effect Mechanisms Of Mining Speed On Mining Induced Influences Around Deep Working Face With Thick-hard Roof
16. Study On Structural Characteristics And Stability Of Surrounding Rock Of Gob-side Roadway In Deep Thick-hard Roof Backfilling Working Face
17. Research On Disaster-pregnant Characteristics And Evolutionary Disaster-causing Mechanisms Of Rock Burst Under Large-scale Stope Structure
18. Research On Characteristics Of Ultra-low Concentration Methane Flow And Regenerative Combustion In Granular Packed Bed
19. Research And Application Of Blasting Fracturing And Pressure Relief Technology For Thick And Hard Roof In Ⅱ7224N Working Face Of Renlou Coal Mine
20. Study On The Control Of Pre Split Roof Cutting Of Working Face Under The Condition Of Directly Overlying Sandstone Roof In Gubei Coal Mine
  <<First  <Prev  Next>  Last>>  Jump to