- 21. Technological diagrams of extraction works with application of complex preventive processing of coal bed by hydrodynamic method
- (Mining)
- ... Annotation: Technological schemes of safe development of steeply inclined coal layers disposed to gas-dynamic events are suggested. It is proved that application of hydrodynamic method for ...
- Created on 20 November 2012
- 22. Features of formation of technogenic permeability in roof of coal layer during underground gasification of coal
- (Mining)
- Authors: V.V. Tishkov, State Higher Educational Institution “National Mining University”, Assistant Lecturer of the Department of Hydrogeology and Engineering Geology, Dnipropetrovsk, Ukraine ...
- Created on 16 November 2012
- 23. Theoretical substantiation of dynamical parameters of impulse injection of a fluid into a coal bed
- (Mining)
- ... the pulse liquid infusion in the complex of mining equipment for hydro-breakage of coal layers. Purpose. To determine efficient values of pressure impulses and frequency of their passage and hydrodynamic ...
- Created on 14 November 2012