- 41. Synthesis of phosphosulphate substance and properties of its structured mixture with quartz sand
- (Content №4 2022)
- ... crystal sulfate Al2(SO4)3 18H2O with orthophosphoric acid in the temperature range of 100200 has been investigated. The formation is proved of an intermediate phase during heating aluminum hydroxide ...
- Created on 29 August 2022
- 42. Numerical study of microwave impact on gas hydrate plugs in a pipeline
- (Content №4 2022)
- ... radiation from a coaxially located SHF antenna. Parametric numerical studies on temperature fields and decomposition dynamics of a gas hydrate plug are performed for specified parameters of pipe and microwave ...
- Created on 29 August 2022
- 43. 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
- 44. 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
- 45. 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
- 46. 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
- 47. 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
- 48. 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
- 49. 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
- 50. 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