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Keyword [Top-coal caving]
Result: 161 - 180 | Page: 9 of 10
161. Simulation Study On The Three-dimensional Caving Mechanism Of Loose Top-coal In Longwall Top-cpal Caving Mining Panel
162. Failure Mechanism And Cavability Evaluation Of The Top Coal In Longwall Top-coal Caving Mining
163. Technical Research On Top Coal Weakening Of Large Horizontal Sectional Height In Extremely Steep And Extra Thick Coal Seam
164. Study On The Top-coal Fracture Condition And Mechanical Properties In Fully-mechanized Top Coal Caving Mining
165. Active Control By Composite Cable Truss At The Large Section Starting Cut In A Fully Mechanized Top Coal Caving Mining Panel
166. Research On Surrounding Rock Control Of Gob-side Entry Driving Of Fully Mechanized Top Coal Caving Mining Face With Large Mining Height
167. Research On Gas Drainage In Fracture Zone Of Efficient Mining Top-coal Caving Face
168. Research On Pressure Control Of Lower Slice Mining Face In “Three Soft” Unsteady Coal Seam
169. Research And Control Of Surrounding Rock Stability For Fully Mechanized Top Coal Caving Face Two Roadway In JiuDao-ling Coal Mine
170. The Broken And Instability Law Of Hard Roof Of Fully-Mechanized Top Coal Caving Mining In Extra-Thick Coal Seam
171. Study Of Dynamic Disasters Prevention And Control Technologies For Fully Mechanized Caving In Deep Mines With Complex Geological Conditions
172. Study On Strata Structure& The Load On Support In Large Mining Height Top Coal Caving Workface
173. Study On The Ascending Mining Technology Of The Closed Distance Coal Seams Under The Condition Of The Underlying Thick Coal Seam With Fully Mechanized Caving
174. Study On The Key Parameters Of Process In Full-mechanized Top Coal Caving Mining With Large Dip Angle And Specially Thick Coal Seam
175. Study On Gas Emission Law And Control Technology In Fully Mechanized Caving Face
176. Study Of The Strata Pressure Behavior Law And Face Length Optimization In Initial Miniing Stage Of Fully Mechanized Top-coal Caving Face With Large Mining Height In Changchunxing Coal Mine
177. Roof Fracture Structure And Roadside Supporting Mechanism For Gob-side Entry Retaining In Fully-mechanized Top-coal Caving Face Of Near Shallow Seam
178. Study On Underground Pressure Law During Terminal And Retraced Mining Of No.103 Fully Mechanized Top Coal Caving Mining Face With Large Mining Height In Changchunxing Coal Mine
179. Study On Mining Technology Of Fully Mechanized Top Coal Caving Mining In Changan Coal Mine
180. Study On Top-coal Caving Property Of Extremely Thick Coal Seam With Dirt Bands In Laosangou Coal Mine
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