Issue: #5 (98)
Mathematics
Pendulum Quasi-Static Drift Effect at Suspension Point Excitation by High-Frequency Polyharmonic Multiple Frequency Vibration
| Authors: Tushev O.N., Chernov D.S. | |
Category: Mathematics | Chapter: Mathematical Physics |
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| Keywords: pendulum, quasi-static displacement, polyharmonic, pendulum drift, low-frequency and high-frequency component, dissipation, parametric resonance | |
Analytical Solution of the Dynamics Equations for a Wave Solid-State Gyroscope Using the Angular Rate Linear Approximation
| Authors: Basarab M.A., Lunin B.S., Ivanov I.P. | |
Category: Mathematics | Chapter: Computational Mathematics |
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| Keywords: wave solid-state gyroscope, angular rate, Weber functions, piecewise linear approximation | |
Solving Optimal Reactive Power Dispatch Problem by Population Distinction and Pandemic Virus Algorithms
| Authors: Lenin K. | |
Category: Mathematics | Chapter: Computational Mathematics |
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| Keywords: Noble, Depraved, Abhorrent, B117 COVID-19, optimal reactive power, transmission loss | |
Solution of a Linear Nondegenerate Matrix Equation Based on the Zero Divisor
| Authors: Zubov N.E., Ryabchenko V.N. | |
Category: Mathematics | Chapter: Differential Equations, Dynamic Systems, and Optimal Control |
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| Keywords: linear nondegenerate matrix equation, determinant calculation, zero divisor, solution formula | |
Physics
Kinetic Description of Nonequilibrium Transfer Processes
| Authors: Morozov A.N. | |
Category: Physics | Chapter: Theoretical Physics |
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| Keywords: thermodynamic equilibrium, nonequilibrium state, local equilibrium hypothesis, entropy production, Brownian motion | |
4D Investigation of Vortex Fluid Motion Inside the Eyeball
| Authors: Skladchikov S.A., Savenkova N.P., Vysikaylo P.I., Avetisov S.E., Lipatov D.V., Novoderеzhkin V.V. | |
Category: Physics | Chapter: Theoretical Physics |
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| Keywords: vortex formations, convective diffusion flows, mathematical simulation | |
Axisymmetric Turbulent Methane Jet Propagation in a Co-Current Air Flow Under Combustion at a Finite Velocity
| Authors: Khujaev I.K., Hamdamov M.M. | |
Category: Physics | Chapter: Thermal Physics and Theoretical Heat Engineering |
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| Keywords: turbulent jet, components, chemical reaction rate, total enthalpy, Arrhenius law, finite difference, computational experiment | |
Chemistry
Heat Capacity of Alcoholic (Isopropyl Alcohol) and Aqueous Alcoholic Solutions of Sodium Iodide Electrolyte Salt as a Function of Concentration
| Authors: Akhapkina T.E., Gurov A.A., Solovev S.N., Kozhevnikova S.V. | |
Category: Chemistry | Chapter: Physical Chemistry |
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| Keywords: apparent heat capacity of electrolyte, ion association model, association constant, heat capacity as a function of concentration | |
Microwave Radiation Applied in the N-Aryl-N′-Aminoеthylureas Synthesis
| Authors: Kalistratova A.V., Oshchepkov M.S., Ivanova M.S., Kovalenko L.V., Boldyrev V.S. | |
Category: Chemistry | Chapter: Organic Chemistry |
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| Keywords: aryl substituted ureas, microwave radiation, aryl isocyanates, oxalates, oxamates, oxamides, carbamoyl imidazoles | |
Steel Corrosion Patterns in Neutral and Alkaline Iron Oxide Slurry
| Authors: Shelontsev V.A., Gorichev I.G., Kuzin A.V., Gerasimova I.V., Eliseeva E.A. | |
Category: Chemistry | Chapter: Physical Chemistry |
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| Keywords: corrosion, iron oxide slurry, polarization resistance, corrosion protection | |