upper protective layer mining - Globe Thesis

Keyword [upper protective layer mining] Result: 1 - 15 \| Page: 1 of 1
1.	Study On Deformation Law Of Coal-rock Mass And The Pressure-relief Gas Extraction Technique Under Upper Protective Layer Mining
2.	Investigation On Protection Range And The Gas Migration Law In Upper Protective Layer Mining Of Tuzhu Mine
3.	Researches On Mined Rockmass Failure Features And Gas Seepage Evolution Law With The Upper Protective Layer Mining And Its Application
4.	Study On Methane Controlling Technology Of Upper Protective Seam Mining Of 5121(S)B9B Working Face Of Xieyi Coal Mine
5.	Study On Deformation Law Of Coal-rock Mass And Result Investigation Of Upper Protective Layer Mining
6.	Variation Law And Engineering Application Of Protected Range For Deeply Buried Upper-protective Layer Mining In Different Inclination Of Coal Seams
7.	Study On The Influence Of Pressure Relief And The Effect Of Eliminating Outburst In JueGuangSi Coal Mine Upper Protective Layer Mining
8.	Study On Determination And Extender Technology Of Protection Range In Upper Protective Layer Mining With Closed Distance
9.	Deep Hole Pre-splitting Blasting Improved Anti-reflection Extraction Technology Research Of 25091 Auxiliary Under Lane(North) In GaoCheng Coal Mine
10.	Numerical Simulation And Study On Gas Drainage From Boreholes In Xie-yi Coal Mine Under Upper Protective Layer Mining
11.	"Three Soft" Coal Seam Mining Protective Layer Underlying The Coal Gas Coupling Model And Its Application
12.	Study On Fracture Evolution Law Of Underground Coaland Rock Under Protective Layer Mining In "Three Soft" Coal Seam
13.	Study On The Changing Law Of Effect Of Upper Protective Layer Mining With Changing Distance Within Coal Seam Group And Its Engineering Application
14.	Study On The Outburst Prevention Technology Of Upper Protective Layer Mining In Dawan Coal Mine
15.	Investigation And Research On Pressure Reduction And Permeability Enhancement And Protective Effect Of Upper Protective Layer Mining On Lower Extra Thick Coal Seam
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