- 21. Load of a semi-car having the dismountable roof of composites
- (Content №1 2023)
- ... (2017). Regression equations for circular CFST columns carrying capacity evaluation. MATEC Web of Conferences, 107, 00051. https://doi.org/10.1051/matecconf/201710700051. ...
- Created on 25 February 2023
- 22. Analysis of surface settlements induced by tunnel excavation with EPB-TBM
- (Content №1 2023)
- ... by EPB-TBM. Environmental Earth Sciences, 62(2), 357-365. https://doi.org/10.1007/s12665-010-0530-6. 15. Chakeri, H., & Ünver, B. (2014). A new equation for estimating the maximum surface settlement ...
- Created on 25 February 2023
- 23. Method for determining the ultimate sorption capacity of coal matter by EPR-spectroscopy
- (Content №1 2023)
- ... 7. Ekundayo, J. M., & Rezaee, R. (2019). Volumetric measurements of methane-coal adsorption and desorption isotherms – effects of equations of state and implication for initial gas reserves. Energies, ...
- Created on 25 February 2023
- 24. Identification of determinants of corruption in government: a mar-spline approach
- (Content №6 2022)
- ... MAR Spline models, three regression equations were obtained that describe the linear dependence of the level of corruption in governance on the selected factors. The paper found that the relevant factors ...
- Created on 25 December 2022
- 25. The impact of internationalization to improve and ensure quality education: a case study of Daffodil International University (Bangladesh)
- (Content №6 2022)
- ... Equation Modeling (SEM). Inventions, 7(3), 59. https://doi.org/10.3390/inventions7030059. 3. Sanderson, N., & Hanbidge, A. S. (2017). Educators Adopting M-Learning: Is It Sustainable in Higher Education? ...
- Created on 25 December 2022
- 26. Computer modeling of territory flooding in the event of an emergency at Seredniodniprovska Hydroelectric Power Plant
- (Content №6 2022)
- ... wave and the calculation of cross-sections for the cases when a hydroelectric dam breaks or the water level rises; the method uses one-dimensional and two-dimensional systems of Saint-Venant equations, ...
- Created on 25 December 2022
- 27. Influence of misalignment of connection of electrical machine shafts on the nature of electric power of the induction motor
- (Content №6 2022)
- ... package, the wavelet analysis of stator electric power of the motor of laboratory electrotechnical complex is performed. Findings. Differential equations of the induction motor with a short-circuited rotor ...
- Created on 25 December 2022
- 28. Approximation of blades of radial machines with multiparameter family of smooth surfaces
- (Content №6 2022)
- ... surfaces. Findings. A system of equations for describing the blade of a radial dynamic blade machine of any purpose as a family of smooth surfaces has been obtained. A multi-parameter correction of the ...
- Created on 25 December 2022
- 29. Mathematical simulation of autonomous wind electric installation with magnetoelectric generator
- (Content №5 2022)
- ... power plants, methods of mathematical modeling, which are based on the numerical solution of nonlinear differential equations to evaluate methods for correcting the output power in Matlab-Simulink by modifying ...
- Created on 30 October 2022
- 30. Load of the wagon-platform for transportation of bulk cargoes
- (Content №5 2022)
- ... the load of the wagon-platform of the proposed design. The solution of the system of differential equations is carried out in the MathCad software package. To do this, the mathematical model was reduced ...
- Created on 30 October 2022
- 31. Forceful interaction of the casing string with the walls of a curvilinear well
- (Content №4 2022)
- ... elastic rod in the curved well. An inhomogeneous system of four differential equations is developed to describe the rods deformations. It was reduced to a first-order differential equation with respect ...
- Created on 29 August 2022
- 32. Optimization of heating efficiency of buildings above underground coal mines by infrared heaters
- (Content №3 2022)
- ... The results are presented in the form of graphs and nomograms, as well as approximated by their analytical equations. The annual economic effect of the optimal variant of combined heating system due to ...
- Created on 29 June 2022
- 33. On the mechanism of ionization of atoms at compression of a substance by front of the converging shock wave
- (Content №3 2022)
- ... (1984). Explosion in a limited volume of gas under strong radiation. Prikladnaya matematika i tekhnicheskaya fizika, (6), 108-112. 46. Nedostup, V.I., & Galkevich, Ye.P. (2000). Equations of state ...
- Created on 29 June 2022
- 34. Complex measurement of parameters of iron ore magnetic separation based on ultrasonic methods
- (Content №3 2022)
- ... the Rozin-Rammler equation for the characteristics of the ore material at various points of the technological line were calculated. Originality. The proposed method of ultrasonic measurement of characteristics ...
- Created on 29 June 2022
- 35. Mineralogical and granulo-chemical characterization of veins 4 and 10, of Ain Mimoun baryte ore mine
- (Content №3 2022)
- ... American Mineralogist, 92, 1-18. https://doi.org/10.2138/am.2007.2170. 13. Hargreaves, J.S.J. (2016). Some considerations related to the use of the Scherrer equation in powder X-ray diffraction as applied ...
- Created on 29 June 2022
- 36. Determination of the stability of a three-layer shell of a traveling wheel with light filler
- (Content №2 2022)
- ... of critical external pressure. Methodology. When determining the critical external pressure, the method of variational calculation using the Euler equation of the mixed variational problem was used. To ...
- Created on 30 April 2022
- 37. Optimization of the management system for mitigating the consequences of water area pollution during the crisis
- (Content №6 2021)
- ... obtained in the course of the study are approximated by a polynomial equation, making it possible to evaluate the effectiveness of using the proposed method depending on the number of nodes of the information ...
- Created on 29 December 2021
- 38. Improvement of modeling techniques of transients in transformers based on magnetoelectric equivalent schemes
- (Content №6 2021)
- ... Approximation of functions by Chebyshevs polynomials, numerical methods of differential equations integrating, matrix methods, spline interpolation, programming, theory of electric and magnetic circuits. ...
- Created on 29 December 2021
- 39. Analyzing and identifying the limits of 660V grid parameters to ensure electrical safety in underground coal mines
- (Content №6 2021)
- ... may be used to operate the electric system safely and effectively. Originality. The proposed equations and simulation in Matlab may be applied to all underground mining grids with different input parameters. ...
- Created on 29 December 2021
- 40. High-frequency periodic processes in two-winding power transformers
- (Content №6 2021)
- ... periodic processes in transformers and methods of solving systems of partial differential equations are applied. Findings. The mathematical model for the research of high-frequency periodic processes in ...
- Created on 29 December 2021