boreholes - Globe Thesis

Keyword [boreholes] Result: 21 - 40 \| Page: 2 of 5
21.	The Experiment And Study On The Gas Drainage By High Level Boreholes In Shuilian Coal Mine
22.	The Research On Building Gas High Quality Channel Of Xuandong 2# Mining
23.	Research On The Mechanism Of Permeability Enhancement Based On Breaking Coal-rock By Dynamic Impact Of Water Jet In Boreholes And Its Application On Gas Extraction
24.	Numerical Simulation Of Solid-gas Coupling Of Gas Drainage From Boreholes
25.	Numerical Simulation Of Gas Drainage Parameter From Boreholes And Application In Tenghui Coal Mine Of201Face
26.	Study On Gas Drainage Technology With Large Diameter High Level Sector Boreholes Of The Goaf In High Gas Mine
27.	Pressur Relief Gas Extraction Technology Research In High Gas Group Of Coal Mining
28.	The Analysis Of Acoustic Fields In Cased Boreholes&Method Studies Of Well Cementation Evaluation
29.	The Technology Research Of Gas Pre-drainage Through Floor Cross-measure Boreholes Of11-2Coal Seam In Zhangji Coal Mine
30.	Research On Instability Mechanism For Sealing Segment Of Boreholes And Reinforcing Dynamic Sealing Techniques
31.	Study Of Gas Geology Survey In Coal Mining Panel
32.	Study On The Gas Migration Law And Sealing Technology Of The Boreholes Along The Seam In Xinyi Mine
33.	Reseach On Gas Drainage By Large Diameter Boreholes In Coal Roadway Strips Base On Multi-physics Coupling
34.	Prediction Of Small Faults Based On Gas Drainage Boreholes Cross Seam Bedding Strip
35.	Research On Gas Drainage Effects Of High Level Drainage Roadway On The Strike And High Level Boreholes In Fullly Mechanized Mining Face
36.	ParametersOptimization Design Of Gas Drainage Boreholes In Virgincoal Seam In Dafosi Mine
37.	Study On Transmissivity And Safety Assessment Method Of Sealing Boreholes
38.	Study On The Gas Drainage Technique By Long&large Diameter Roof Boreholes In Mabu Coal Mine
39.	Numerical Simulation Research Of Low-permeability Coal Seam Of Gas Drainage Boreholes Parameters In Jinping Mine
40.	Study On The Reasonable Sealing Hole Depth Of 2# Coal Seam Drainage Boreholes In Tongshun Mine
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