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Keyword [roof weakening]
Result: 1 - 8 | Page: 1 of 1
1.
The Study Of Law Of Stope Pressure Before And After The Hard And Thick Roof Is Weakened
2.
Research And Application Of Fracture Law And Deep Hole Presplit Blasting Weakening Technology In Hard And Thick Roof
3.
Research On The Full-meehanized Gaving And "Water Injection-Blasting" Joint Weakening Mining Technology Of Yungang Mine
4.
Study On The Mechanism Of Limit Suspension Aftermining And The Application Of The Roadway Along Goaf In Coal Roadway
5.
Study On Strata Behavior Law Of Mining Roadway Before And After Roof Weakening
6.
Research On Hard Roof Pre-splitting Blasting Control Technlogy Of 4307 Working Face Of Chang Ping Coal Mine
7.
Experimental Study On Cracked Coal Seam Hard Roof By Static Cracking Agents
8.
Research On Cumulative Blasting Technology For Improving Coal Seam Permeability And Roof Weaking
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