key stratum - Globe Thesis

Keyword [key stratum] Result: 21 - 40 \| Page: 2 of 4
21.	Study On The Waste Backfill-Mining Method With Back Forward Style And Relevant Laws
22.	Research On Laws Of Underground Pressure Of Hard Roof In Fully-mechanized Face Of Chenghe Wangcun Inclined Shaft Working Face Of No.10Coal Seam
23.	Study On Strata-pressure Behavior In Fully-mechanized Face Of Zhouyuanshan Coal Mine
24.	Residual Subsidence Study Of Goaf Based On Key Stratum And Project Case Study
25.	Mechanical Analyzing On Key Layer Structural Of Compound Roof Stope And Working Resistance Calculating Of Support
26.	Study On The Waste Backfill-mining Method With Back Forward Style And Relevant Laws
27.	Study On Mechanical Model Of The Key Stratum Under The Support From Grouting Into The Isolated Areas Within Overburden
28.	Study On The Effect Of The Main Key Stratum On The Abutment Pressure
29.	The Determination Of Roof Bedding Separation Critical Value Of Coal Mine Roadway Of 11-2 East Kouzi
30.	Study On Character, Disaster Mechanism And Prevention Of Water Inrush During Mining Under Coal Seam Roof Of Unconsolidated Confined Aquifer
31.	Research On Microseism Occurrence Law About Fully-Mechanized Caving Coal Face At Deep Mining In Dongtan Mine
32.	Study On Movement Law Of Overlying Strata And Surface Of Fully Mechanized Sublevel Caving Mining In Extremely Thick Coal Seam
33.	Recycling Water-resisting Key-stratum For Mine With Great Water And Researching Of Its Safety Reliability
34.	Mechanism And Prevention Of Support Crushing Disaster While Mining Out Of The Upper Coal Pillar In Close Distance Shallow Seams
35.	Study On The Anomaly Mechanism Of Strata Behavior Of Fully Mechanized Faces With Super-Large Mining Height In Shallow Coal Seam
36.	Study On The Influence Of Key Stratum Breakage By Hilly And Gully Terrain In The Shallow Coal Seams Face
37.	Study On Control Of Large Sudden Surface Collapse By Grouting Backfill Into Isolated Areas Under The Giant Thick Igneous Rock
38.	The Research Of Thick Seam Fully Mechanized Mining The Overlying Strata Disaster Law
39.	Research On Strata Behavior Regularity Of No.11213 Fully Mechanized Face In Xiaojihan Coal Mine
40.	Study On The Layout Of The Last Drilling Holes Of Grouting Backfill Into Isolated Areas Within Overburden For Mining Under Villages On Open-off Cut
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