- 21. Numerical study of microwave impact on gas hydrate plugs in a pipeline
- (Content №4 2022)
- ... (2018). The Stefan moving boundary models for the heat-dissociation hydrate with a density difference. Energy, 160, 1124-1132. https://doi.org/10.1016/j.energy.2018.07.101. 28. Sudakov, A., Dreus, ...
- Created on 29 August 2022
- 22. Nanostructures of coal beds in the Sherubaynurinsky section of the Karaganda basin
- (Content №4 2022)
- ... order to calculate the thickness of the surface layer of the coal substance using our proposed formula, one needs to know the molar mass and density. We will use the well-known work where it is shown that ...
- Created on 29 August 2022
- 23. On the mechanism of ionization of atoms at compression of a substance by front of the converging shock wave
- (Content №3 2022)
- ... compression, taking into account the change in volumetric energy density at the moment of transformation of a solid body plasma into nuclear matter. Methodology. The technique of laser initiation of a ...
- Created on 29 June 2022
- 24. Complex measurement of parameters of iron ore magnetic separation based on ultrasonic methods
- (Content №3 2022)
- ... low-intensity magnetic separator. Minerals Engineering, 91, 55-65. https://doi.org/10.1016/j.mineng.2015.10.021. 4. Morkun, V., & Morkun, N. (2018). Estimation of the crushed ore particles density ...
- Created on 29 June 2022
- 25. Sand-sodium-silicate mixtures structured in steam-microwave environment effective values of thermo-physical properties
- (Content №6 2021)
- ... Sand-sodium-silicate mixture apparent density changing according to quartz sand, cladded with sodium silicate solute, fractional composition and its influence on BrA9Zh3L bronze microstructure establishment. ...
- Created on 29 December 2021
- 26. Formation of converging cylindrical detonation front
- (Content №6 2021)
- ... density over the vertical and horizontal sections of the laser beam were studied. Findings. The analysis of the scientific and technical level of methods of shock-wave processing of materials in the region ...
- Created on 29 December 2021
- 27. Assessing the quality of drilling-and-blasting operations at the open pit limiting contour
- (Content №6 2021)
- ... (2013). Shock blasting of ore stockpiles by low-density explosive charges. Journal of Mining Science, 49(6), 926-931. https://doi.org/10.1134/s1062739149060129. 9. Urinov, S.R., Nomdorov, R.U., & Dzhumaniyazov, ...
- Created on 29 December 2021
- 28. Quality assessment of 3D point cloud of industrial buildings from imagery acquired by oblique and nadir UAV flights
- (Content №5 2021)
- ... from Unmanned Aerial Vehicle (UAV) imagery datasets, including nadir (N), oblique (O), and Nadir and Oblique (N+O) UAV datasets. Methodology. The quality of a 3D model is defined by the accuracy and density ...
- Created on 29 October 2021
- 29. Gas flow measuring system using signal processing on the basis of entropy estimations
- (Content №5 2021)
- ... to the movement of the measuring element of the converter in the toroidal measuring cell, is proposed. Implementation of the measuring element of a spherical converter, whose density is almost commensurable ...
- Created on 29 October 2021
- 30. Investigation of the effect of several parameters on the applicability of magnetic separation method
- (Content №4 2021)
- ... separator, centrifugal force, flux density, angular velocity References. 1. Haddad, J. (2020). Experimental Study of the Effect of Ball Diameter, Rotating Mass and Input Grain Size of Silica Sand on the ...
- Created on 23 August 2021
- 31. Productivity of seedlings of Scots pine on alluvial sands of natural and man-made origin
- (Content №3 2021)
- ... current requirements of ISO, and their physical and water properties using volumetric cylinders, followed by the calculation of their density, porosity, as well as the coefficients of water content and ...
- Created on 23 June 2021
- 32. Investigation of effect of water content on railway granular supplementary layers
- (Content №3 2021)
- ... the optimal water content values should be taken into considerations for compaction to be able to reach maximal compactness (density), but too high water content has to be avoided, which is based on the ...
- Created on 23 June 2021
- 33. Control of density and velocity of emulsion explosives detonation for ore breaking
- (Content №2 2021)
- ... Abstract: Purpose.Development of a new procedure for calculating the density of emulsion explosives (EE), that will allow determining the detonation velocity along the charging length, depending on the ...
- Created on 29 April 2021
- 34. Predicting changes in the sulfur content during steam coal preparation and the level of sulfur dioxide emissions when its combustion
- (Content №2 2021)
- ... expected sulfur content in the products of coal preparation by jigging, taking into account the allowable content of the high-density fraction in the concentrate and adding dense slimes to the coal preparation ...
- Created on 29 April 2021
- 35. Improvement of the membrane-free electrolysis process of hydrogen and oxygen production
- (Content №1 2021)
- ... is necessary to determine the optimal range of changes in the current density and evaluate the effect of operating characteristics of the electrolysis process on the evolution of H2 (O2) when the electrolyzer ...
- Created on 05 March 2021
- 36. Mathematical modeling of the surface roughness of the grinding wheel during straightening
- (Content №1 2021)
- ... is determined by its characteristics. When the abrasive grains hit the surface of the straightening tool, some of the vertices are chipped off, as a result of which the density of the grain vertices on ...
- Created on 05 March 2021
- 37. Analytical studies on constrained particle settling velocity in a water suspension of fly ash from thermal power plants
- (Content №1 2021)
- ... settling of coal and quartz depending on the particle size and density of the medium, which is necessary for calculating the design and determining the operating modes of hydraulic devices for extracting ...
- Created on 05 March 2021
- 38. Increasing the efficiency of water shut-off in oil wells using sodium silicate
- (Content №1 2021)
- ... bottom of the well. Experiments established that with a gelation time of 2 hours at a temperature of 80 C, the viscosity of the gel is in the range of 1.22.9 Pas, and the density is 10801109 kg/m3. These ...
- Created on 05 March 2021
- 39. Justification of rational parameters for manufacturing pump housings made of fibroconcrete
- (Contens №5 2020)
- ... same time fiber concrete has density of 2200–2300 kg/m3 versus 7500–7800 kg/m3 of metal bodies, compression strength of 230–240 MPa, bending strength of 80–100 MPa. All these allow reducing thickness of ...
- Created on 30 October 2020
- 40. The character of disruption of the rocks surface during rapid cooling
- (Contens №5 2020)
- ... in the density of a cracking net on the rock surface. Originality. For the first time the development of a crack system rather than a single crack in a rock during rapid cooling was considered. The ...
- Created on 30 October 2020