- 41. Determination of the rock subsidence spacingin the well underground coal gasification
- (Mining)
- ... shell formed by the variation of temperature and pressure during changing the composition of the mixtures. It is necessary for creating the workspace of the gasogene. This space is created for unobstructed ...
- Created on 08 February 2016
- 42. Forming the bilayer artificially created shell of georeactor in underground coal well gasification
- (Mining)
- ... Underground Mining Department, Dnipropetrovsk, Ukraine. Abstract: Purpose. Establishing the dependences of artificial bilayer shell forming by the variation in temperature and composition of ...
- Created on 04 February 2016
- 43. Prerequisites and prospects for normalization of thermal conditions in headings of deep mines of Donets basin
- (Environmental safety, labour protection)
- ... removal to the water. The schemes and methods of the preliminary cooling and the cooling combined with drivage, and the methods of accelerated formation of thermalequalizing shells around the workings ...
- Created on 30 October 2015
- 44. Step-by-step procedure of estimation of the parameters of an undermined coal-rock massif as a gas collector
- (Mining)
- ... in inhomogeneous layered massifs with different geometric and strength parameters of layers have complex shape, extended along weak layers and compressed along strong ones. The shell of the anthropogenic ...
- Created on 14 January 2015
- 45. Effectiveness of thermomechanical calibration and determination of residual stresses in the shell nose cone of Cyclone-4
- (Geotechnical and mining mechanical engineering, machine building)
- ... The complexity of the design of the fairing shells PH “Cyclone-4”, high cost, large dimensions of articles (diameter of 3000–4000 mm), and typical physico-mechanical characteristics of the materials ...
- Created on 21 March 2014
- 46. Estimation of spatial and collector parameters of a technogenic gas deposit by geomechanical descriptions of enclosing rock
- (Mining)
- ... with a specific structure. Originality. Using the compaction threshold as a parameter characterizing the shell of a technogenic gas deposit we are able to register the uncontrolled flows of methane between ...
- Created on 21 March 2014
- 47. Mathematical model of mine vertical opening stability
- (Mining)
- Authors: V.P. Rachkovsky, Cand. Sci. (Tech.), Private Higher Educational Institution «European University», Senior Lecturerof the Department of Mathematical Sciences and Information Systems, Rivne, Ukraine ...
- Created on 16 April 2013
- 48. Prospects of application of TNT-free explosives in ore deposites developed by uderground mining
- (Mining)
- ... this displacement have different values of the critical limit and dcr, dpr charge diameter. Thus, the mixtures of diesel fuel with nonporous nitrate and with porous nitrate in cartridges with hard shell ...
- Created on 26 February 2013
- 49. Analytical evaluation of the degree of rock massif cooling in deep mine by means of borehole preceding the face of the development heading
- (Environmental safety, labour protection)
- ... of the water in the borehole according to the Newton law. It has been calculated the amount of heat to be abstracted from the massif to create a heat equalizing shell of development working. ...
- Created on 05 January 2013
- 50. About the tense-deformed state of system “frame - shell maid of the rocks reinforsed by anchors”
- (Solid-state physics, mineral processing)
- ... of the rock massif containing mine tunnels with frame-anchor lining has been developed. The normal values of shift and maximal component of stress tensor, affecting the rock shell supported by anchors ...
- Created on 19 December 2012