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Keyword [Seam]
Result: 41 - 60 | Page: 3 of 10
41. Mechanism And Application Researches On Fracture Propagation Of Deep-hole Pre-splitting Blasting In Coal Seam
42. Study On The Control Theory And Technology By Injecting Liquid And Freezing Of The Coal And Gas Outburst During Uncovering Coal Seam In Cross-Cut
43. The Research And Application Of Anchor Net Support Engineering In Steep And Horizontal Lamination Mining Roadway
44. Research On The Optimized Selection Of Thin Coal Seam Mining Method And The Optimization Of Mining Face Length
45. Research On Failure Mechanism And Application Of Surrounding Rock About Thin Bedrock Coal Seam With Threat Of Waterinrush
46. Study On Mechanism And Characteristics Laws Of Displacement Coalbed Methane By Underground Gas Injection
47. Research On Evolution Of The Multiple Field And Security Pillar In Condition Of The Closed Protective Seam Mining
48. A Study On The Law Of Rock Movement And Soil Variation In Mining Of Coal Seams Of Thick Loess And Thin Bedrock
49. The Research On Surface Subsidence Due To Mining Horizontal Slice Of Extra-thick And Steep Coal Seam
50. Research On Rough Set Knowledge Modeling For Expert System Prediction Of Weld Seam Quality
51. Research On Real-time Seam Tracking And Control Method Of Weld Formation For Arc Welding Robot Based Vision Sensing In Aluminum Alloy
52. Rational Protection Range Of Lower Protective Layer And Application In Pressure-relief Gas Extraction
53. Mechanism And Prevention Technology Of Rock Burst For Super Thick Seam Roadway In Deep Ground
54. Research On Theory Of Slotting And Enhancing Permeability By High Pressure Rotational Jetting In Low Permeability Coal Seam And Its Appliation
55. Theories And Tests Of Stereo Gas Drainage For Outburst Prevention Under Closed Distance Seam Group With Protection Layer Mining
56. Study On Protection Scope And Effect Factors In Exploiting Steep Under-Protection Layer
57. Research On The Mechanism Of Rock Burst Occurring In "Three Hard" Coal Seam Of Datong Coal Mining Area
58. Mechanism And Engineering Practice On Mutual Response Between Underground Mining Of Shallow Coal Seam And Protection Of Fragile Ecological Environment
59. Study On The Scope Of The "Three Zones" Of Gas Pressure Relief And Extraction In Coal Seam Group Mining
60. Study On Surrounding Rock Stability And Control Of Deep Roadway In Thick Coal Seam Under The Action Of Tectonic Stress
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