- 41. 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
- 42. 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
- 43. 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
- 44. 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
- 45. 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
- 46. 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
- 47. 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
- 48. 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
- 49. 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
- 50. Mathematical modeling of the processes of wastewater purification from phenols and rhodanides using glauconite
- (Contens №4 2020)
- ... in phenolic wastewater, a photometric method was used, based on the interaction of the rhodanides ion in an acidic medium with iron (III) chloride ions. The determination of the optical density of the ...
- Created on 30 August 2020