No. 6 (2022): Reports of the National Academy of Sciences of Ukraine

View No. 6 (2022): Reports of the National Academy of Sciences of Ukraine
DOI: https://doi.org/10.15407/dopovidi2022.06
Published: 18.01.2023

Mathematics

  • Classification of Lie reductions of generalized Kawahara equations with variable coefficients

    O. O. Vaneeva, O. Yu. Zhalij, O. V. Magda
    3-9
    DOI: https://doi.org/10.15407/dopovidi2022.06.003

  • An isonormal process associated with a Brownian motion

    A.А. Dorogovtsev, І.І. Nishchenko
    10-16
    DOI: https://doi.org/10.15407/dopovidi2022.06.010

  • Study of weighted pseudoinverse matrices with in definite singular weights

    I.V. Sergienko, A. M. Khimich, N.A. Vareniuk
    17-27
    DOI: https://doi.org/10.15407/dopovidi2022.06.017

Mechanics

  • Nearsurface buckling in laminate composite material with imperfect interlayer contact

    V.M. Bystrov, V.A. Dekret, V.S. Zelenskiy
    28-35
    DOI: https://doi.org/10.15407/dopovidi2022.06.028

  • Numerical analysis of free vibration frequencies of pentagonal plates

    A.Ya. Grigorenko, M.Yu. Borysenko, S.О. Sperkach, А.D. Bezuglaya, E.O Mikhrin
    36-45
    DOI: https://doi.org/10.15407/dopovidi2022.06.036

  • Learning the single-dominant modal system on resonant sloshing in a rectangular tank

    A.O. Milyaev, A.N. Timokha
    46-53
    DOI: https://doi.org/10.15407/dopovidi2022.06.046

Materials Science

  • Solid phase interaction of TiC with ZrC or ZrN under mechanochemical synthesis and HPHT powder

    N.N. Belyavina Belyavina, V.Z. Turkevich, A.M. Kuryliuk, D.A. Stratiichuk, О.І. Nakonechna, T.G. Avramenko, P.P. Kogutyuk
    54-63
    DOI: https://doi.org/10.15407/dopovidi2022.06.054

Chemistry

  • Defluorization of water by a modified membranes from natural materials

    T.Yu. Dulneva, L.A. Deremeshko, A.О. Troianskyi, V.V. Goncharuk
    64-72
    DOI: https://doi.org/10.15407/dopovidi2022.06.064

  • Synthesis of N-methyl 3-alkyl-isothiazolidine- 1,1-dioxo-3-methylcarboxylates through the intramolecular Michael reaction

    V.V. Izhyk, A.V. Dobrydnev, M.V. Popova, Yu.M. Volovenko
    73-78
    DOI: https://doi.org/10.15407/dopovidi2022.06.073

Biology

  • Сultivation features of the riboflavin-producing strain Bacillus subti lis IFBG MK-1A using a bioreactor with feeding

    M.M. Radchenko, O.O. Tigunova, H.S. Andriiash, S.M. Shulga, Ya.B. Blume
    79-84
    DOI: https://doi.org/10.15407/dopovidi2022.06.079

  • Herbicide-resistant weed biotypes in Ukraine

    V.V. Schwartau, L.M. Mykhalska
    85-94
    DOI: https://doi.org/10.15407/dopovidi2022.06.085