extra-thick coal seam - Globe Thesis

Keyword [extra-thick coal seam] Result: 21 - 40 \| Page: 2 of 5
21.	The Research On Longwall Inclined Slicing Of Top Coal Caving In Steeply Dipping And Extra-thick Coal Seam Of Dongxia Colliery
22.	Study On Comprehensive Control Technology For Fire In The Sealed Working Face Of Steep-inclined And Extra-thick Coal Seam
23.	Study On Overlying Strata Structure Along Goaf And Coal Pillar Stability In Fully Mechanized Top Coal Caving Mining In Extra Thick Coal Seam
24.	Mechanism And Prevention Of Rockburst In Extra-Thick Coal Seams Mining
25.	Ground Control Mechanism Of Mining Extra-thick Coal Seam Using Upward Slicing Longwallroadway Cemented Backfilling Technology
26.	Technical Research On Top Coal Weakening Of Large Horizontal Sectional Height In Extremely Steep And Extra Thick Coal Seam
27.	The Broken And Instability Law Of Hard Roof Of Fully-Mechanized Top Coal Caving Mining In Extra-Thick Coal Seam
28.	Study On Overlying Strata Movement And Support Selection In Horizontal Section Mining Of Steeply Inclined And Extra Thick Coal Seam In Yimen Coal Mine
29.	Study On Fire Prevention And Extinguishing Technology In Fully Mechanized Caving Face Of Inflammable Extra-thick Coal Seam
30.	The Study On The Width And Stability Of Coal Pillar For Roadway Along Goal In Mining Of Extra Thick Coal Seam
31.	Research For The Movement Law Of Top Coal And Roof In Fully Mechanized Top Coal Caving In "Three Soft" And Extra-thick Coal Seam
32.	Research On Key Technology Of Fully Mechanized Top Coal Caving Method With Great Mining Height In Hard And Extra Thick Coal Seam In Yushen Mining Area
33.	Study On Movement Laws Of Roof Strata And Its Control In Slicing Mining Extra-thick Coal Seam In Dajing Mining Area
34.	Mechanism Of Clamping Rockburst In Horizontal Section Mining Of Steeply Inclined,Extra-Thick Coal Seam
35.	Relationship Of Structural Coupling Between Hydraulic Roof Supports And Surrounding Rock In Extra-thick And Hard Coal Seam With Super-large Mining Height And Longwall Top Coal Caving Method
36.	Study On Broken Mechanism Of Fully Mechanized Top-coal Caving Mining After Extracting The Middle Slice In Extremely Thick Coal Seam
37.	The Study Of Lager Section Open-off Cut On Anchorage With Push And Pull Equipment And Bi-directional Control In Extra-Thick Coal Seam
38.	Study On Narrow Time-space Interval And Surrounding Rock Control Of Gob-side Roadway For Fully-mechanized Top Coal Caving Face In Extra-thick Coal Seam
39.	Study On The Stress Transfer Mechanism Of Sandwiches Coal-rock Pillar In Steeply Inclined And Extra Thick Coal Seam
40.	Study On Overburden Rock Failure Characteristics Of Fully Mechanized Mining Full-height Of Extra Thick Seam In Bulianta Mine
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