- 1. Optimization of heating efficiency of buildings above underground coal mines by infrared heaters
- (Content №3 2022)
- ... Methodology. At applying radiant heating systems, infrared heaters provide local heating of the working area of the buildings above underground coal mines. As a result, the necessary temperature conditions ...
- Created on 29 June 2022
- 2. On the mechanism of ionization of atoms at compression of a substance by front of the converging shock wave
- (Content №3 2022)
- ... are used. Findings. An experimental study on the physicochemical state of a substance that has been processed with extremely high pressures and temperatures during compression by converging shock waves ...
- Created on 29 June 2022
- 3. Investigation of the process of sulfiding of gold-arsenic containing ores and concentrates
- (Content №3 2022)
- ... effect of temperature and the consumption of elemental sulfur on the degree of sublimation of arsenic from gold-arsenic concentrate. The sulfiding roasting of the concentrate was carried out with elemental ...
- Created on 29 June 2022
- 4. A new method of disposal of concentrated solutions by crystallization of their components
- (Content №3 2022)
- ... warming. Since it is difficult to raise the ambient temperature with large concentrates, we have proposed to increase the evaporation rate by increasing the evaporation area. To carry out this process, ...
- Created on 29 June 2022
- 5. Mineralogical and granulo-chemical characterization of veins 4 and 10, of Ain Mimoun baryte ore mine
- (Content №3 2022)
- ... 2. Li, F., & Yuan, G. (2005). Low temperature catalytic conversion of methane to methanol by barium sulfate nanotubes supporting sulfates: Pt(SO4)2, HgSO4, Ce(SO4)2 and Pb(SO4)2. Chemical Communications, ...
- Created on 29 June 2022
- 6. A new approach to improving the sensitivity of earthing relay and reducing the over-voltage in 6 kV grid of open-pit mines
- (Content №2 2022)
- ... A.B., Sheryshev, V.P., Sarsenbaev, E.A., & Kalikasov,N.T. (2021). Intellectualization of the process of measuring the temperature of inaccessible surfaces of electric contact connections. Vestnik KazNRTU, ...
- Created on 30 April 2022
- 7. Thermodynamics of the developing contact heating of a process liquid
- (Content №2 2022)
- ... The efficiency of operation of the special equipment was substantiated by improving its design that makes it possible to preserve the balance between temperatures of liquids on the inlet and outlet of ...
- Created on 30 April 2022
- 8. Research into heap leaching technology of gold-bearing ores at the Vasilkovsky gold ore deposit (Kazakhstan)
- (Content №2 2022)
- ... (5), 68-74. https://doi.org/10.33271/nvngu/2020-5/068. 24. Onika, S.G., Rysbekov, K.B., Aben, E.K., & Bahmagambetova,G.B. (2020). Leaching rate dependence on productive solution temperature. Vestnik ...
- Created on 30 April 2022
- 9. Selective non-catalytic reduction of nitrogen oxides in the production of iron ore pellets
- (Content №1 2022)
- ... the injection of these reagents on the temperature regime during iron pellet production, as well as assess the expected efficiency of the SNCR method for purification of exhaust gases from nitrogen oxides. ...
- Created on 25 February 2022
- 10. Numerical studies on thermochemical processing of peat in a fixed layer
- (Content №1 2022)
- ... of peat is stationary, there is a jump in the temperature of peat particles from 300 to 772C, in which the tar is practically not released, and thus the obtained pyrolysis gas contains CO2, H2O, H2 and ...
- Created on 25 February 2022
- 11. Estimation of glass lubricant viscosity for hot extrusion of Cr-Ni steel and Ni alloy tubes
- (Content №1 2022)
- ... lubricant for chromium-nickel steel tube extrusion depending on the deformation resistance, chemical composition of metal and the temperature, degree and rate of deformation. Methodology. To determine ...
- Created on 25 February 2022
- 12. Petrographic composition and ore potential of low-temperature metasomatites of the Middle-Dniprean mega-block of the Ukrainian Shield
- (Content №1 2022)
- ... distribution patterns and metallogenic specialization of low-temperature metasomatites of the Middle Dnipro megablock of the Ukrainian Shield based on the research results obtained. Methodology. The authors ...
- Created on 25 February 2022
- 13. A method to evaluate the performance of an open loop geothermal system for mine water heat recovery
- (Content №1 2022)
- ... open loop geothermal systems for mine water heat recovery, studied hydrodynamic and mining conditions of the colliery Novohrodivska No.2. The developed technique includes evaluating the temperature of ...
- Created on 25 February 2022
- 14. New approach to injection of pressurizing gas into fuel tanks of power units
- (Content №6 2021)
- ... 2021, (6): 090 - 095 https://doi.org/10.33271/nvngu/2021-6/090 Abstract: Purpose. Determination a rational way to injection of high-temperature pressurizing gas into fuel tanks of large elongation. Determination ...
- Created on 29 December 2021
- 15. Co-firing of gas coal dust fine particles and synthetic peat gas. Part 1. Simulation of processes of steam-air gasification of peat in a fixed bed and combustion of dust and gas mix in a stream
- (Content №6 2021)
- ... developed, which differs from the existing models by taking into account the particle velocity and its change. With the aid of this model the detailed information on temperature and concentration fields ...
- Created on 29 December 2021
- 16. Formation of converging cylindrical detonation front
- (Content №6 2021)
- ... 897-905. 14. Sobolev, V., Cabana, E.C., Howaniec, N., & Dychkovskyi, R. (2020). Estimation of Dense Plasma Temperature Formed under Shock Wave Cumulation. Materials, 13(21), 1-9, 4923. https://doi.org/10.3390/ma13214923. ...
- Created on 29 December 2021
- 17. Elastic, inelastic and time constant measurement for M102 (AL–C–O) dispersions-reinforced aluminum alloys
- (Content №5 2021)
- ... alloy was chosen because of its ability to withstand temperatures beyond 200C and has a better strength than precipitation-hardened Al alloys at room temperature. A CNC milling machine is used to manufacture ...
- Created on 29 October 2021
- 18. Increasing the sensitivity of measurement of a moisture content in crude oil
- (Content №5 2021)
- ... deposit. Mining of Mineral Deposits, 14(2), 66-74. https://doi.org/10.33271/mining14.02.066. 4. Bravo-Mndeza, J., Gonzlez-Velzqueza, J.L., Domnguez-Aguilarb, M.A., & Rivas-Lpeza, D.I. (2018). High-temperature ...
- Created on 29 October 2021
- 19. Determination of adhesion stages of the Fe-Ni ore at the Ferronikeli plant in Drenas
- (Content №5 2021)
- ... temperature inside the rotary kilns. While the placement of dryers will have an impact on reducing the adhesions inside the rotary kilns and from the economic point of view, we will have a reduction of ...
- Created on 29 October 2021
- 20. Recovery of iron and phosphorus removal from Gara Djebilet iron ore (Algeria)
- (Content №4 2021)
- ... separation (WLIMS). The effects of temperature, periods of time and Na2SO4 dosage on phosphorus removal, metallisation degree and iron recovery rate were tried and optimised. Furthermore, phase changes ...
- Created on 23 August 2021