Vol. 54 No. 1 (251) (2020)

Chemistry

  • SYNTHESIS AND STUDY OF THE NEMATOCIDAL ACTIVITY OF 1,2,4-TRIAZOLO-1,2,4-TRIAZOLES

    M.A. Samvelyan, T.V. Ghochikyan, T.H. Yeganyan, M. Sarfraz, C. Jakob
    3-11
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.003
  • SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF NEW DERIVATIVES OF 2-OXO-2,5-DIHYDROFURANS CONTAINING AN OXOTHIAZOLIDINYLIDENE RING

    G.G. Tokmajyan, L.V. Karapetyan, R.V. Paronikyan, H.M. Stepanyan
    12-16
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.012
  • STUDYING OF THE CONDITIONS OF ERYTHRITOL, MANNITOL, SORBITOL, XYLITOL, TARTARIC AND CITRIC ACIDS ESTERIFICATION BY USING HIGH ALIPHATIC CARBOXYLIC ACIDS AND ALCOHOLS

    G.S. Grigoryan, A.Ts. Malkhassyan
    17-25
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.017
  • STRUCTURING OF EFFLUENT PARTICLES BY MEANS OF TREATMENT OF BENTONITE BASE MINERAL CONDITIONERS

    S.S. Hayrapetyan, L.S. Banyan, G.P. Pirumyan
    26-32
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.026
  • NONTRADITIONAL METHOD OF CHEMICAL MODIFICATION OF THE SURFACE OF POROUS SILICA

    T.O. Kamalyan
    33-37
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.033

Biology

  • STUDY OF BINDING PECULIARITIES OF ETHIDIUM BROMIDE AND METHYLENE BLUE WITH DOUBLE-STRANDED RNA

    M.A. Parsadanyan
    38-45
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.038
  • THE IMPACT OF MYCORRHIZAL PREPARATION MYKONET ON VALUABLE AGRONOMICAL AND ECONOMIC INDICATORS OF PEPPER

    G.S. Martirosyan, K.G. Azaryan, A.H. Trchounian
    46-54
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.046
  • THE UTILIZATION OF CARBON SOURCES MIXTURE (GLUCOSE, GLYCEROL AND FORMATE) AND GENERATION OF FERMENTATION END-PRODUCTS BY $ESCHERICHIA$ $COLI$

    H.Kh. Gevorgyan
    55-62
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.055
  • IDENTIFICATION OF CYTOGENETICALLY VISIBLE mtDNA IN INTERPHASE NUCLEI OF HUMAN BLOOD LYMPHOCYTES EXPOSED TO DOXORUBICIN

    T.A. Harutyunyan, G.G. Hovhannisyan, A.A. Sargsyan, T. Liehr, A. Al-Rikabi, R.M. Aroutiounian
    63-67
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.063
  • SOME PECULIARITIES OF ESSENTIAL OIL OF DAMASK ROSE GROWING IN HIGH ALTITUDE ARMENIAN LANDSCAPES

    N.Zh. Sahakyan, M.T. Petrosyan, A.H. Trchounian
    68-74
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.068
  • SUITABILITY ASSESSMENT OF GROUNDWATER FOR IRRIGATION PURPOSE AT HIGH-RISK SITES OF THE ARARAT PLAIN

    K.A. Ghazaryan
    75-82
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.075

Short Communications

  • THE STUDY OF THE REACTION BETWEEN CHITOSAN AND MELAMINE DERIVATIVE

    M.L. Yeritsyan, K.M. Yeritsyan, V.M. Mavisakalyan, A.M. Arustamyan, R.P. Mkhitaryan
    83-85
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.083
  • EFFECT OF LIGHT POLLUTION ON THE SEVERAL AQUATIC COMMUNITIES OF LAKE BAIKAL

    D.Yu. Karnaukhov, M.A. Teplykh, Ya.K. Ermolaeva, O.O. Rusanovskaya, G.A. Gevorgyan, A.H. Hayrapetyan, E.A. Silow
    86-88
    DOI: https://doi.org/10.46991/PYSU:B/2020.54.1.086