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Mainournal ArchiveYear 2023 / № 5

Issue: #5 (110)

DOI 10.18698/1812-3368-2023-5

Mathematics and Mechanics

True Power Loss Dwindling and Stability Augmentation by Extreme Learning Machine based Hybrid Lepidoptera-Labidognatha Algorithms and Rhinotia Haemoptera Based Hybrid Canis Aureus Girneys Optimization Algorithm
Authors: Kanagasabai L.  

Category: Mathematics and Mechanics | Chapter: Computational Mathematics

  
Keywords: optimal reactive power, transmission loss, extreme learning machine, Lepidoptera, Labidognatha, Rhinotia haemoptera, Canis aureus, Girneys

Physics

Possibility of Detecting Cracks in the Polymer Composite Material
Authors: Elizarov P.G., Deryabin A.A., Degtyarev M.N., Kozlov D.M.  

Category: Physics | Chapter: Acoustics

  
Keywords: polymer composite material, non-destructive testing, SV normal waves, phase rate, attenuation, crack, delamination
Wave Heat Transfer in an Anisotropic Plate under Action of the Thermal Energy Point Source
Authors: Formalev V.F., Garibyan B.A., Kolesnik S.A.  

Category: Physics | Chapter: Thermal Physics and Theoretical Heat Engineering

  
Keywords: thermal conductivity, wave heat transfer, nonlinear thermal characteristics, anisotropy, temperature, self-similar variables, thermal conductivity tensor, thermal wave front
Granule Size Distribution Influence on the Nanocomposite Magneto-Optical Properties
Authors: Yurasov A.N., Yashin M.M., Gladyshev I.V., Ganshina E.A., Kanazakova E.S., Saifulina D.A., Simdyanova M.A.  

Category: Physics | Chapter: Crystallography, Physics of Crystals

  
Keywords: bruggeman approximation, ferromagnetic nanocomposite, equatorial Kerr effect, spectral dependence, effective medium, lognormal distribution
Motion of a Charged Particle in the Electromagnetic Field of a Polarization-Modulated Wave in the Presence of a Constant Magnetic Field
Authors: Kudryavtsev D.I., Kopytov G.Ph., Brazhko V.A.  

Category: Physics | Chapter: Laser Physics

  
Keywords: plane electromagnetic wave, polarization modulation, charged particle, magnetic field, high-power laser radiation

Chemistry

Electrical Conductivity of Concentrated Solutions of 1-butyl-3-methylpyridinium bis{(trifluoromethyl)sulfonyl}imide in Acetonitrile, Dimethylsulfoxide, and Dimethylformamide
Authors: Artemkina Yu.M., Karpunichkina I.A., Plechkova N.V., Shcherbakov V.V.  

Category: Chemistry | Chapter: Physical Chemistry

  
Keywords: 1-butyl-3-methylpyridinium bis{(trifluoromethyl)sulfonyl}imide, electrical conductivity, association, acetonitrile, dimethylsulfoxide, dimethylformamide
Dihydric Phenol Photochemical Oxidation in Aqueous Solutions using the Persulphate
Authors: Karataeva P.R., Ivantsova N.A., Dubrovina V.N.  

Category: Chemistry | Chapter: Organic Chemistry

  
Keywords: dihydric phenols, oxidative degradation, photooxidation, hydrogen peroxide, potassium peroxodisulfate, ultraviolet radiation
Catalysts Based on the Aluminum and Titanium Compounds for Propane Cracking
Authors: Markova E.B., Cherednichenko A.G., Bogatov N.A., Sheshko T.F., Kruchkova T.A.  

Category: Chemistry | Chapter: Physical Chemistry

  
Keywords: aluminum oxide, titanium oxide, heterogeneous catalysts, thermocatalytic propane processing
Production of Cr2O3/TiO2--SiO2 Core-Shell Hollow Composite Material in the Form of Spherical Granules
Authors: Khalipova O.S., Kuznetsova S.A., Selyunina L.A., Rogacheva A.O.  

Category: Chemistry | Chapter: Physical Chemistry

  
Keywords: chromium(III) oxide, TiO2--SiO2, composite material, template synthesis, sol-gel synthesis, catalytic activity
Effect of Blend Ratio on Rheological and Mechanical Properties of Butadiene Rubber, Ethylene Propylene Diene Rubber and Chlorinated Paraffins Blends
Authors: Sukhareva K.V., Mikhailov I.A., Mamin E.A., Popov A.A.  

Category: Chemistry | Chapter: Organic Chemistry

  
Keywords: rubber, compatibilizer, blend, covulcanization, chloroparaffin