Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
Actual problems of Natural Sciences
Actual problems of history, philosophy and sociology
Actual problems in modern tourizm and economics
Modern problems of Philology and Linguistics
Actual problems in modern pedogogy and pshychology
Actual problems in modern agriculture
Actual problems in modern art and architecture
Actual problems of Mathematics, Physics and Mecanics
MODELING AND OPTIMIZATION OF THE TECHNOLOGICAL PROCESS OF FLOTATION OF POTASSIUM ORES
The article discusses the modeling and optimization of the technological process of flotation of potash ores. One of the most important processes in the production of potash fertilizers is the flotation process, which determines the quality of the final product. The efficiency of the flotation...
3 March 2024, 21:50
INVERSE MATRIX METHОD FОR CALCULATING MОDELS ОF STABLE ELECTRICAL SYSTEMS UNDER CОNDITIОNS ОF INTERVAL DATA UNCERTAINTY
The study explоres the iterative technique оf finding the inverse matrix tо determine the distributiоn оf currents and vоltages in electrical sуstems, fоcusing оn its cоnvergence within the dоmain оf interval cоmplex numbers. An estimatiоn оf cоnvergence is derived, utilizing the spectral radius оf...
3 March 2024, 21:50
MATHEMATICAL, ALGORITHMIC AND SOFTWARE OF THE SYSTEM FOR RECORDING AND DIAGNOSTIC OF ELECTROCARDIOGRAPHIC SIGNALS
One of the effective ways to prevent death from heart attack from the World Health Organization is timely diagnosis based on digital processing algorithms of modern electrocardiographic (ECG) signals. Today, a number of methods for automatic detection of electrocardiographic signals have been...
3 March 2024, 21:50
IMPACT OF RADON ON THE HUMAN BODY AND HEALTH THREATS
The analysis of the literature data on the nature of Radon, about its physical and chemical properties is carried out. The danger of Radon is presented for a person from the point of view of medicine. The ways to reduce its danger are listed. At the same time, the literature data are presented in...
3 January 2023, 21:50
BOUNDARY CONDITIONS WHEN CHOOSING GATE-OXIDE MATERIAL ON NANOSIZED DIFFERENT FinFETs
This article presents a method for calculating the electrical capacitance of the gate-oxide in field-effect transistors with an isolated gate. The choosing of the thickness of the oxide layer depending on the type of oxide material is shown at a constant capacity of the oxide layer....
3 December 2022, 21:50
RELATION OF m - CONVEX FUNCTIONS WITH STRONGLY m - SUBHARMONIC FUNCTIONS
In this article, the relation between twice smooth m - convex (m cv - ) functions in real space and strongly m - subharmonic (m sh) functions in complex space is studied....
3 December 2022, 21:50
INTEGRATION OF THE KAUP-BOUSSINESQ TYPE SYSTEM VIA INVERSE SCATTERING METHOD.
The article considered the Kaup-Boussinesq type system. It is shown that the system is a fully integrable system. Exactly, the time evolution of the scattering data for a quadratic pencil of Sturm-Liouville operator is founded. The obtained equalities completely determine the scattering data for...
3 August 2022, 21:50
INTEGRATION OF THE LOADED SECOND-ORDER KORTEWEG-DE VRIES EQUATION WITH A FREE TERM INDEPENDENT OF THE SPATIAL VARIABLE
In this paper, the method of the inverse spectral problem is applied to the integration of the loaded second-order Korteweg-de Vries equation with a free term independent of the spatial variable in the class of periodic functions....
3 January 2022, 21:59
NONLINEAR COEFFICIENT INVERSE PROBLEM OF HEAT CONDUCTION EQUATIONS
This work studies the reciprocal sum of the heat distribution process in multivendor environment. Using the temperature, specified on the parts of the border, the coefficient of thermal conduction is finding. The iterative method is offered....
3 December 2021, 21:59
STREAMING RUN FOR THE COEFFICIENT INVERSE PROBLEM OF HEAT PROPAGATION IN A MATERIAL
The paper studies the inverse problem of heat propagation in an inhomogeneous medium. The calculation formulas for solving the problem posed by the stream sweep method are derived....
3 December 2021, 21:59