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Mainournal ArchiveYear 2023 / № 2

Issue: #2 (107)

DOI 10.18698/1812-3368-2023-2

Mathematics and Mechanics

Signal Filtering at Jump Multiplicative Interference
Authors: Bukhalev V.A., Skrynnikov A.A., Boldinov V.A.  

Category: Mathematics and Mechanics | Chapter: Differential Equations and Mathematical Physics

  
Keywords: information system, random jump structure, multiplicative jump interference, Bayesian filtering, two-time parametric approximation, object infrared direction finder
Study of the Principal Components Method Modifications Resistance to Abnormal Observations
Authors: Goryainov V.B., Goryainova E.R.  

Category: Mathematics and Mechanics | Chapter: Computational Mathematics

  
Keywords: principal components method, correlation matrix robust evaluation, MCD estimate, Gnanadesikan --- Ketenring estimate, Olive --- Hawkins estimate, Tukey distribution, bimodal distribution

Physics

Spectroscopic Properties Study of Photonic Crystals and Nanostructures
Authors: Aliev I.N., Yashin M.M., Loboiko A.A., Gorbatova O.O., Lyatifov R.E.  

Category: Physics | Chapter: Crystallography, Physics of Crystals

  
Keywords: photonic crystal, stop band, reflection coefficient, dispersion law, uranyl acetate, transmission spectra
Luminescence Intensity ELF Oscillations from a Polymer Membrane in the Aqueous Salt Solutions
Authors: Bunkin N.F., Bashkin S.V., Bolotskova P.N., Gudkov S.V., Kozlov V.A.  

Category: Physics | Chapter: Condensed Matter Physics

  
Keywords: photo luminescent spectroscopy, low frequency electromagnetic noise, isotonic solution, cell membrane, bubston clusters
Quasi-Harmonic Bending Waves Evolution in a Beam Lying on the Generalized Nonlinear-Elastic Foundation and Possibility of their Transformation into a Sequence of Wave Packets
Authors: Erofeev V.I., Morozov A.N., Tsarev I.S.  

Category: Physics | Chapter: Acoustics

  
Keywords: модуляционная неустойчивость, изгибная волна, балка, обобщенное упругое основание

Chemistry

Kinetics of Molybdenum Trioxide Dissolution in the Alkaline Medium
Authors: Eliseeva E.A., Berezina S.L., Gorichev I.G.  

Category: Chemistry | Chapter: Organic Chemistry

  
Keywords: kinetic curves, molybdenum oxide, complex compounds, reaction order, process modeling, dissolution mechanism
Methane Impurity Effect in the Acetylene Decomposition on Size and Morphology of the Appearing Soot Particles
Authors: Shkolnikov E.I., Grigorenko A.V., Lipatova I.A., Kumar V., Vlaskin M.S.  

Category: Chemistry | Chapter: Physical Chemistry

  
Keywords: decomposition of acetylene and mixture with methane, acetylene soot, particle size, electron microscopy, specific surface distribution
Study of the Synthesis Process and Properties of the Vanadium Pentoxide Nanoparticles
Authors: Yarovaya O.V., Averina Yu.M., Magzhanov R.Kh., Karetkin B.A., Panfilov V.I., Boldyrev V.S.  

Category: Chemistry | Chapter: Physical Chemistry

  
Keywords: synthesis, vanadium pentoxide, tubular nanoparticles, aqueous dispersions, aggregative stability
Energy and Exergy Analysis on Spark Ignition Engines under Varying Ignition Timing with Pure Bioethanol Fuel
Authors: Paloboran M., Syam H., Yahya M., Jamaluddin  

Category: Chemistry | Chapter: Physical Chemistry

  
Keywords: energy, exergy, spark ignition, bioethanol, gasoline, thermo-dynamics law
Polyacrylonitrile-Based Composite Carbon Nanofibers with Tailored Microporosity
Authors: Vtyurina E.S., Ponomarev Ig.I., Buyanovskaya A.G., Ponomarev I.I., Skupov K.M.  

Category: Chemistry | Chapter: Organic Chemistry

  
Keywords: polyacrylonitrile, polymer nanofibers, carbon nanofibers, CO2 adsorption, specific surface area, electrospinning, micropores