Protective layer mining - Globe Thesis

Keyword [Protective layer mining] Result: 21 - 40 \| Page: 2 of 4
21.	Research On Pressure Relief Features And Gas Migration Regularity Of Single Thick Coal Seam Under Condition Of Lower Protective Layer Mining
22.	Variation Law And Engineering Application Of Protected Range For Deeply Buried Upper-protective Layer Mining In Different Inclination Of Coal Seams
23.	The Key Influence Factors Of Protective Layer Mining Effect Evaluation
24.	Study On The Influence Of Pressure Relief And The Effect Of Eliminating Outburst In JueGuangSi Coal Mine Upper Protective Layer Mining
25.	Gas Drainage Technology Optimization And Drainage Model Study Of Close-distance Coal Seams Group
26.	Study On Determination And Extender Technology Of Protection Range In Upper Protective Layer Mining With Closed Distance
27.	Study On Gas Migration Of Protected Layer Law And Protection Scope Of Xieyi Mine
28.	Deep Hole Pre-splitting Blasting Improved Anti-reflection Extraction Technology Research Of 25091 Auxiliary Under Lane(North) In GaoCheng Coal Mine
29.	Numerical Simulation And Study On Gas Drainage From Boreholes In Xie-yi Coal Mine Under Upper Protective Layer Mining
30.	"Three Soft" Coal Seam Mining Protective Layer Underlying The Coal Gas Coupling Model And Its Application
31.	Study On Fracture Evolution Law Of Underground Coaland Rock Under Protective Layer Mining In "Three Soft" Coal Seam
32.	Similar Simulation Experiment And Reliability Study On Inclined Protection Scope Of Under-Protective Layer Mining For Xing Long Coal Mine
33.	Study On Protection Scope Of Up-protective Layer Mining In Steep Coal Seam By Physical Similarity Simulation
34.	Study On The Protection Scope Of Protective Layer Of Yutianbao Coal Mine Based On Physical Similar Simulation
35.	Study And Application Of Digital Speckle Technique In Physical Similar Simulation Experiment Of Protective Layer Mining
36.	Study On Protective Coal Seam Mining And Testing Technology Of Protection Effect Colose Distance Coal Seam Group In Qianbei Mining Area
37.	Study On The Changing Law Of Effect Of Upper Protective Layer Mining With Changing Distance Within Coal Seam Group And Its Engineering Application
38.	Mechanical Effect And Application Of Mining Relief-pressure For Soft Rock Protective Layer Mining In Deep Strong Outburst Coal Seam
39.	Study On The Outburst Prevention Technology Of Upper Protective Layer Mining In Dawan Coal Mine
40.	Study On The Influence Of Coal Pillar On The Protected Area Under The Steep Dip Protective Seam Mining In Donglin Coal Mine
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