- 21. Determination of temperature field in thermally sensitive layered medium with inclusions
- (Geotechnical and mining mechanical engineering, machine building)
- ... medium which contains through foreign inclusions. Methodology. It is based on the use of generalized functions; this enables us to express the coefficient of heat conductivity for such a structure ...
- Created on 03 March 2019
- 22. Mechanochemical synthesis of additives for cathode material of lithium-ion traction batteries
- (Electrical Complexes and Systems)
- ... that after their activation within VVM, the additives intensify electronic conductivity owing to the formation of solid solutions in the process of the activation, on the one hand, and, on the other hand, ...
- Created on 26 December 2018
- 23. The energy technological background of involving salty coals into energy balance of Ukraine. 1. Composition of water extracts and the prospects for their utilization
- (Solid State Physics, Mineral Processing)
- ... estimated using the 4805 Conductivity TDS/Temp indicator/EZODO. Findings. The composition and peculiarities of the mineral phases from extracts of salty coals of different domestic deposits are determined. ...
- Created on 26 December 2018
- 24. Parallel computational algorithms in thermal processes in metallurgy and mining
- (Information technologies, systems analysis and administration)
- ... 6. Shvachych, G. G. and Shmukin, A. A., 2014. On the concept of unbounded parallelism in the problems of thermal conductivity. East-European Journal of Advanced Technologies, 3(9), pp. 81‒84. ...
- Created on 27 August 2018
- 25. The mathematic model of and method for solving the Neumann generalized heat-exchange problem for empty isotropic rotary body
- (Information technologies, systems analysis and administration)
- ... which takes into account finite velocity of the heat conductivity and is made in the form of boundary problem of mathematical physics for hyperbolic equations of the heat conductivity, as well as to find ...
- Created on 03 July 2018
- 26. Determination of cut-off wall cost efficiency at Motronivskyi pit mining
- (Mining)
- ... Fan, R. D., Liu, S. Y., Reddy, K. R. and Jin, F., 2015. Workability, compressibility and hydraulic conductivity of zeolite-amended clayey soil/calcium-bentonite backfills for slurry-trench cutoff ...
- Created on 03 July 2018
- 27. Creation of effective metallic thermal insulation constructions
- (Geotechnical and mining mechanical engineering, machine building)
- ... finding the objective function minimum. Findings. Dependence of the strength and effective thermal conductivity in the insulating material structure on the maximum pore diameter, and the distance ...
- Created on 11 January 2018
- 28. Valorization of waste rocks from Boukhadra iron ore mine for better environmental management
- (Solid-state physics, mineral processing)
- ... J., Wang, X., Wang, B. and Luan, Z., 2011. Feasibility study of iron mineral separation from red mud by high gradient superconducting magnetic separation. Physica C: Superconductivity, 471(3), pр. 91‒96. ...
- Created on 11 January 2018
- 29. On formation of electrically conductive phases under electrothermal activation of ferruginous carbonates
- (Solid-State Physics, Mineral Processing)
- ... The abrupt increase in electrical conductivity is due to the spontaneous formation of the nuclei of a new phase and the transition of ionic conductivity to a mixed one or an electronic one primarily. A ...
- Created on 06 September 2017
- 30. Perspectives of improving physical and mechanical properties of thermal coatings by electropulse exposure
- (Geotechnical and mining mechanical engineering, machine building)
- ... Originality.The laws of EPE influence on the microstructure and mechanical properties (hardness, bond strength, thermal conductivity, wear resistance) of electric arc and plasma coatings were determined. ...
- Created on 16 March 2017
- 31. Mechanism of thick metal walls penetration by high-speed microparticles
- (Solid-State Physics, Mineral Processing)
- ... numerical solution for the problem of the effect of external electrical charge on stability of the chemical bond. Solution was found for the equation of heat conductivity for estimating the temperature ...
- Created on 19 January 2017
- 32. Mathematical simulation of gas mixture forsed ignition for the calculation of the damaging factors of emergency explosion
- (Environmental safety, labour protection)
- ... To solve the problem it was proposed to use the method of integral heat balance in which the thermal conductivity equation is replaced by the integral heat balance. Solutions of this equation are sought ...
- Created on 17 November 2016
- 33. Influence of metal casing on the electric field in a cased hole
- (Mining)
- ... Purpose. To study the influence of metal casing parameters (casing conductivity and casing thickness) on the electrical field and the second derivative of potential in cased hole formation resistivity ...
- Created on 04 February 2016
- 34. Characteristic of monostable actuator starting
- (Electrical complexes and systems)
- ... – С. 3–5. Bayda, Ye.I. (2010), “Material conductivity influence on the direct-current electromagnetic mechanism dynamic characteristic”, Elektrotekhnika i elektromekhanika, Kharkiv HTU “KhPI”, ...
- Created on 24 December 2013
- 35. Intensification of concentration process through minerals vibroactivation
- (Solid-state physics, mineral processing)
- ... analysis. Findings. The feature of the shock-vibrating affecting minerals is formation of sosoloids of different type. These very sosoloids will cause the increase or the decrease of conductivity. ...
- Created on 16 April 2013
- 36. Preliminary assessment of heat flow from rock massif into headings and ways of its reducing for microclimat normalization in deep mines of Donbass
- (Environmental safety, labour protection)
- ... equalizing shell of rocks around tunnel due to their thermal conductivity. Using MathCAD 11 Enterprise it is defined thermal resistance of heat equalizing shell for heat flux and it is calculated values ...
- Created on 21 November 2012
- 37. Calculation of parameters of cylindrical resonator of microwave plasma generator focusing system
- (Solid-state physics, mineral processing)
- ... cylindrical cavity taking into account dielectric conductivity of partitions were obtained. Proposed analytical dependencies were checked on the test case, solution of which is known. It is shown that ...
- Created on 21 November 2012
- 38. Assessment of heat flow from rock massif into headings of deep mines of Donbass and cold air input required for normalization of microclimate in them
- (Environmental safety, labour protection)
- ... of rocks around the tunnel due to its thermal conductivity was worked out. By means of MathCAD 11 Enterprise the heat equalizing shell thermal resistance was determined and values of specific heat flux ...
- Created on 20 November 2012
- 39. Study of high pressure influence on durability of building materials made of industrial wastes
- (Environmental safety, labour protection)
- ... blend composition for manufacturing building materials. The studies were conducted mainly in two directions in walling building materials: strength and thermal conductivity. This is explained firstly ...
- Created on 16 November 2012
- 40. Features of formation of technogenic permeability in roof of coal layer during underground gasification of coal
- (Mining)
- ... in the zone affected by the gas generator. The increase of conductivity of sandy-clayey rocks enclosing the coal seam has been estimated for the first time taking into account the range of volumetric strain ...
- Created on 16 November 2012