- 41. 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
- 42. 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
- 43. 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
- 44. 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
- 45. 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
- 46. 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
- 47. 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
- 48. Mathematical modeling of wave processes in two-winding transformers taking into account the main magnetic flux
- (Content №5 2021)
- ... and further development of the analytical method for solving the system of partial differential equations. Findings. A mathematical model for the research on wave processes in power two-winding transformers ...
- Created on 29 October 2021
- 49. Determination of vertical dynamics for a standard Ukrainian boxcar with Y25 bogies
- (Content №5 2021)
- ... (design) dimensions of the carrying elements and a boxcar with the actual dimensions (after a long service life) on the basis of the field tests. The differential equations were solved by theRungeKutta ...
- Created on 29 October 2021
- 50. Increasing the sensitivity of measurement of a moisture content in crude oil
- (Content №5 2021)
- ... with a negative differential resistance. Findings. Analytical expressions are obtained to describe the dielectric constant of an inhomogeneous mixture of water and oil. Using these equations, the capacitance ...
- Created on 29 October 2021