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Keyword [thick coal seam]
Result: 161 - 180 | Page: 9 of 10
161. Research On Overlying Strata Fracture And Strata-pressure Behavior About Extremely Thick Coal Seam By Fully Mechanized Caving Method In Tongxin Mine
162. Study On Thick Coal Seam Mining Sub-level Caving Mining Overlying Strata Activity Law And Surrounding Rock Control
163. Thick Coal Seam Of Soft Rock Roadway Support Optimation Design And Surrounding Rock Deformation Control Research
164. The Broken And Instability Law Of Hard Roof Of Fully-Mechanized Top Coal Caving Mining In Extra-Thick Coal Seam
165. Studies On Strata Behavior Arround Fully Mechanized Multi-Slicing Top-Caving Faces Mining Steeply Dipping Thick Coal Seam
166. Analysis And Research Of Water Disaster Prevention For Extremely Thick Coal Seam In Tang Jiahui
167. Application Research On Strength Weakening Of Steeply Inclined Coal Seams Mining By Water Injection
168. Stability Of Large Height Supports In Fully Mechanized Face Mining Steeply Inclined Thick Coal Seam
169. Research On The Four Dimensional Information Storage In The Mining Subsidence Area Of Shallow Thick Coal Seam
170. Research On Overlying Strata Movement Regularity Of Fully-mechanized Mining For Thick Coal Seam In Yunjialing Mine
171. Research On Surrounding Rock Control Technology Of Thick Coal Seam Coal Roadway With Dirt Band And Water
172. Study On The Effect Of End Structure On The Position Of Gob-side Entry In Extremely Thick Coal Seam With Large Mining Height And Fully Mechanized Caving Face
173. Research Coal And Rock Burst Impact Monitoring And Danger-relief Technology On Heavy Steep-thick Coal Seam Comprehensive Mechanized Caving Mining Working Face
174. Study On Dynamic Disaster Prevention Under Fully-mechanized Mining Face Of The Residual Pillar Of Steeply Inclined Coal Seam
175. The Research On Strata Behavior Characteristics Of Thick Coal Seam Across Coal Pillar Mining Face
176. Roof Caving Mechanism And Control Technology Research On Roadway Under The Extremely Thick Coal Seam
177. Research On The Mined-out-area Filling Technology Of Steep And Thick Coal Seam
178. 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
179. The Law Of Infiuence On Thick Coal Seam Mining Of Collapsing Interlayer Rock Under Goaf
180. Study On The Key Parameters Of Process In Full-mechanized Top Coal Caving Mining With Large Dip Angle And Specially Thick Coal Seam
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