- 1. Assessment of the efficiency of functioning of the environmental management system of enterprises
- (Content №5 2024)
- ... J., Klausmeier, Ch. A., & Litchman, E. (2024). Using neural ordinary differential equations to predict complex ecological dynamics from population density data. Journal of the Royal Society Interface. ...
- Created on 29 October 2024
- 2. Analysis of the third class mechanism using the modeling method in the Mathcad software environment
- (Content №5 2024)
- ... it possible to draw up a system of vector equations of their closedness with further solving by a numerical method in the Mathcad software environment. The functions of the rotation angles of the mechanism ...
- Created on 29 October 2024
- 3. Analytical justification of the thermochemical interaction between blast reagents and carbon-containing products under the influence of magnetic fields
- (Content №5 2024)
- ... of coal and carbon-containing products. The Arrhenius equation was used to estimate the rate constants of gasification reactions in the temperature range of 800–1,000 °C. The effect of the magnetic field ...
- Created on 29 October 2024
- 4. Mathematical model for heat transfer during underground coal gasification process
- (Content №5 2024)
- ... boundary, a boundary-value problem of mathematical physics has been developed. To solve this boundary-value problem, Boltzmann transformations, as well as methods for solving ordinary differential equations, ...
- Created on 29 October 2024
- 5. On the issue of load’s external ballistics under low-speed transportation
- (Content №4 2024)
- ... using computer algebra. Methodology. Utilizing a blend of analytical and numerical research algorithms, an innovative model was devised, grounded in a nonlinear system of differential equations characterized ...
- Created on 28 August 2024
- 6. Assessment of the contamination degree of gas pipeline branches during mined-out space degasification
- (Content №4 2024)
- ... solving quadratic regression equations, the ratios linking the hydraulic diameter of the gas pipeline contaminated branch with the gas mixture parameters in the final gas-drainage pipeline section have ...
- Created on 28 August 2024
- 7. Sorption capacity and natural gas content of coal beds of Donbas
- (Content №4 2024)
- ... depth and also naturally decrease in each depth interval from low-metamorphosed (grade D) coal to highly-metamorphosed one. Based on the approximation results, the corresponding equations were obtained ...
- Created on 28 August 2024
- 8. Improvement of the method for optimization of predicting the efficiency of a robotic platform
- (Content №3 2024)
- ... systems comprising hardware components, data exchange technology, security systems, and navigation, along with user interaction methods. The optimization method relies on a linear equation, whose mathematical ...
- Created on 28 June 2024
- 9. Development of the concept for improving the management system of employee safety and health in Ukraine
- (Content №3 2024)
- ... the requirements of the EU Framework Strategy for occupational safety and health for the period 2021–2027, which made it possible to ensure the distribution of tasks between the proposed management equations. ...
- Created on 28 June 2024
- 10. Optimal parameters of blasting destruction in the Ben Azouz quarry based on study of strength limestone rock
- (Content №3 2024)
- ... methods. Statistical analysis was performed on simple and multiple regression equations. Findings. Linear regression models have a higher estimated success rate, as expected. The best model for estimating ...
- Created on 28 June 2024
- 11. Determining the parameters of the functioning for a nonlinear ballistic system in a real external environment
- (Content №2 2024)
- ... equations in a general form with time-varying coefficients. In order to obtain a solution to the nonlinear problem of external ballistics in a two-dimensional formulation, the assumption of a significant ...
- Created on 01 May 2024
- 12. Express bus mode as an alternative way of improving the environmental safety of cities
- (Content №2 2024)
- ... of bus traffic in the conditions of a modern metropolis. Methodology. The fuel balance equation of the vehicle was used to build a model for researching the energy resource efficiency of buses in different ...
- Created on 01 May 2024
- 13. 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
- 14. Cable line equivalent circuit parameters determination using the instantaneous power components
- (Content №2 2024)
- ... using the power components of its elements is proposed, which is distinguished by the fact that the total number of system equations for determining the parameters can be increased due to the use of power. ...
- Created on 01 May 2024
- 15. Mathematical modeling of a magnetic gear for an autonomous wind turbine
- (Content №2 2024)
- ... converters, numerical methods of mathematical modeling based on the finite element method, numerical solution of nonlinear differential equations, and methods of spectral analysis to estimate pulsations ...
- Created on 01 May 2024
- 16. Influence of relaxation on filtering microflows under harmonic action on the layer
- (Content №2 2024)
- ... parameters on the size of the disturbed region are investigated. Findings. A differential equation modeling non-equilibrium filtration processes in the massif in the cylindrical reference frame was obtained. ...
- Created on 01 May 2024
- 17. Three-dimensional density model of the mantle beneath the Ukrainian shield
- (Content №2 2024)
- ... Shield for the P,S-wave velocity curves; 3) solving the Adams-Williamson equation for each domain, considering polynomial corrections to extract heterogeneities during its solution; 4) analysing existing ...
- Created on 01 May 2024
- 18. A methodological approach to assessing the durability of welded structures of screens using SolidWorks Simulation software
- (Content №6 2023)
- ... the Lagrange equation of the second kind. The computation discrepancy is within 10 %. Findings. It has been determined that it is rational to analyze welds using the SolidWorks Education Edition software ...
- Created on 23 December 2023
- 19. Mathematical models for determining and analyzing thermal regimes in mining industry mechanism structures
- (Content №6 2023)
- ... conductivity is described as a whole using asymmetric unit functions. This makes it possible to solve a differential equation with singular coefficients in both linear and nonlinear boundary value problems ...
- Created on 23 December 2023
- 20. Investigation of combined ensemble methods for diagnostics of the quality of interaction of human-machine systems
- (Content №4 2023)
- ... linear equation, nonlinear transformation, IT-technologies References. 1. Zhang, Y., Liu, W., Shi, Q., Huang, Y., & Huang, S. (2022). Resilience assessment of multi-decision complex energy interconnection ...
- Created on 28 August 2023