- 41. Eco-friendly biosorbent based on local raw material: application to dye removal
- (Content №2 2024)
- ... the Freundlich and the Langmuir equations with R2 0.984 and 2 0.01. The kinetics was well described by a PSO model, suggesting that physico-chemical interactions govern the adsorption process. Originality. ...
- Created on 01 May 2024
- 42. Mathematical modeling of a magnetic gear for an autonomous wind turbine
- (Content №2 2024)
- ... was developed to evaluate the parameters and characteristics of the magnetic gear, as well as to evaluate the influence of the design parameters on the magnitude of the electromagnetic torque and the magnitude ...
- Created on 01 May 2024
- 43. Drilling wells taking into account the dynamic properties of rocks
- (Content №2 2024)
- ... in the form of amplitude spectra and power spectral densities of mud pressure and vibration acceleration, as well as the dependence of the increase in the rate of penetration on the frequency of forced ...
- Created on 01 May 2024
- 44. Container technology for transporting rock masses in quarries
- (Content №2 2024)
- ... for moving mining mass from quarries, which ensures a reduction of economic and energy costs, as well as damage to the environment during the extraction of mineral resources. Methodology. The work used ...
- Created on 01 May 2024
- 45. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... the model parameters were plotted and the choice of parameters for optimal influence on the bottom-hole zone of the well was analyzed. Originality. On the basis of the non-equilibrium filtration model, ...
- Created on 01 May 2024
- 46. Formation of prospecting criteria for copper-porphyry deposits based on the construction of reference models
- (Content №2 2024)
- ... “parquet” fracturing in granite bodies and in the area of volcanogenic and sedimentary strata development has been identified, as well as structural lines indicating the strike of rock layers. Originality. ...
- Created on 01 May 2024
- 47. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... corrections; 2) calculating densities for each of the 21 mantle domains and their 3D integration. Originality. The obtained mantle-density model of the Ukrainian Shield aligns well with the division ...
- Created on 01 May 2024
- 48. Assessment of the influence of the surface layer of coals on gas-dynamic phenomena in the coal seam
- (Content №2 2024)
- ... thickness of the surface nanolayer determining such parameters as: stress-strain state, dispersion of coals, as well as the release of a large amount of methane at the sudden release of coal gas into the ...
- Created on 01 May 2024
- 49. Ecological and economic assessment of the effectiveness of implementing bioenergy technologies in the conditions of post-war recovery of Ukraine
- (Content №1 2024)
- ... and implementation in line with EU standards, as well as grant funding from various partner countries, the payback period could be reduced from 12 to 5–6 years, which is an acceptable indicator for small ...
- Created on 29 February 2024
- 50. Modeling the return on investment in human capital in the IT industry of Ukraine
- (Content №1 2024)
- ... of the relationship between the income of IT specialists and the experience and other characteristics of the specialist and the company, as well as the formation of relevant recommendations. Methodology. ...
- Created on 29 February 2024