Proceedings of Yerevan State University 2007 #1(212)
Proceedings of Yerevan State University 2007 #1(212) About
Published since 1925. Currently the peer-reviewed works on natural sciences, mathematics and informatics are published here in Armenian, Russian and English languages.
"Proceedings of the YSU" is published three times a year. The journal presents original articles containing new results of theoretical, experimental and applied research, carried out in YSU or other Armenian and foreign scientific centers.
The first Editor in Chief in 1967-1972 was academician of Armenian AS Hovhannes H. Chaltikyan
Scince 2009 the Journal is publishing in three series

Physical and Mathematical Series
Editor in Chief Professor Varujan S. Atabekyan
Chemical and Biological Series,
Editor in Chief Professor Rouben M. Harutyunyan
Geografical and Geologicall Series
Editor in Chief Professor Hoghmik H. Sargsyan
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  • Physical and Mathematical Sciences


  • Chemical and Biological Sciences


  • Geological and Geographical sciences


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    Proceedings of Yerevan State University


    Editorial Board
    Aroutiounian R. M. (editor), Khachatryan H. G. (deputy editor),
    Sharambeyan L. T. (executive secretary),
    Boynagryan V. R., Chubaryan E. V., Danielyan E. A., Harutyunyan S. G., Khachatryan I. G., Margaryan Sh. A., Martirosyan R. M., Osipyan L. L., Petrosyan S. G., Sargsyan H. H., Sargsyan S. V., Shoukouryan S. K.

    Table of Contents

    A. B. Grigoryan

    A method of construction of the solution of singular integral equation with Cauchy kernel | Proceedings of YSU, Natural Sciences, 2007, #1, p. 3–16 |

    H.S. Harutyunyan

    Chord length distribution function for a regular hexagon | Proceedings of YSU, Natural Sciences, 2007, #1, p. 17-24 |

    Sufian Mohammed Dveidary

    Analysis of network server with customers two-stage service | Proceedings of YSU, Natural Sciences, 2007, #1, p. 25-31 |

    V. N. Grishkyan

    On proof normal forms for some systems of classical propositional logic | Proceedings of YSU, Natural Sciences, 2007, #1, p. 32–37 |

    S. R. Aleksanyan

    Width of area of the surface charge in two dimensional metal– two dimensional electron gas at dielectric heterogeneity of the environment | Proceedings of YSU, Natural Sciences, 2007, #1, p. 38-45 |

    M. S. Sahakyan

    Width of area of the surface charge in two dimensional metal– two dimensional electron gas at dielectric heterogeneity of the environment | Proceedings of YSU, Natural Sciences, 2007, #1, p. 46-50 |

    H. R. Sargsian, M. V. Belluyan, Sh. A. Markarian

    Volumetric study of surfactant–dimethylsulfoxide–water system | Proceedings of YSU, Natural Sciences, 2007, #1, p. 51-56 |

    L. R. Harutyunyan

    Heterogeneous reaction of hydrogen peroxide vapors with MgO | Proceedings of YSU, Natural Sciences, 2007, #1, p. 57-62 |

    L. G. Tadevosyan

    Heterogeneous reaction of hydrogen peroxide vapors with MgO | Proceedings of YSU, Natural Sciences, 2007, #1, p. 63-66 |

    E. E. Ghapantsyan, T. V. Balayan, S. D. Baghdasaryan, G. M. Zeytaghyan, S. K. Grigoryan

    Interaction of molybdenum (VI) with tartaric acid water liquid | Proceedings of YSU, Natural Sciences, 2007, #1, p. 67-71 |

    K. S. Margaryan

    Effect of aggressive computer games on the heart rhythm variability changes | Proceedings of YSU, Natural Sciences, 2007, #1, p. 72-76 |

    L. S. Stepanyan

    Study of kinetics and mechanism of phosphatase reaction in leached chernozem (black soil) | Proceedings of YSU, Natural Sciences, 2007, #1, p. 77-82 |

    G. A. Parsadanyan, M. G. Gevorgyan, N. M. Beylerian , K. V. Grigoryan

    Study of kinetics and mechanism of phosphatase reaction in leached chernozem (black soil) | Proceedings of YSU, Natural Sciences, 2007, #1, p. 83-91 |

    S. G. Nanagulyan, Z. V. Petrosyan, G. S. Barseghyan

    On some aspects of ground water simulation and representation of conceptual hydrogeological model of Shirak basin | Proceedings of YSU, Natural Sciences, 2007, #1, p. 92-101 |

    H.H. Sargsyan, A.H. Aghinian

    Some peculiarities of geological structure between Kotuc and Vedi rivers (Yerevan–Vedi graben-synclinorium) | Proceedings of YSU, Natural Sciences, 2007, #1, p. 102-110 |

    M. A. Avanesyan

    Some peculiarities of geological structure between Kotuc and Vedi rivers (Yerevan–Vedi graben-synclinorium) | Proceedings of YSU, Natural Sciences, 2007, #1, p. 111-116 |

    H. H. Mkrtchyan, G. A. Mukhsy–Oveyan

    Staging of deposits’ economic assessment and rough showings of expenses in the early stages of mineral resources’ exploration. | Proceedings of YSU, Natural Sciences, 2007 #1, p. 117-123 |

    T. G. Vardanyan

    Calculation methods of restoration of the natural river runoff | Proceedings of YSU, Natural Sciences, 2007, #1, p. 124-130 |

    M. G. Manasyan

    Quantitative and qualitative evaluation of morphometric indices in Shirak region from the viewpoint of evaluation of ecological situation | Proceedings of YSU, Natural Sciences, 2007, #1, p. 131-137 |

    V. A. Metanjyan, F. Dahan Gou, R. G. Gevorgyan

    Morphometric factors of the relief and estimation of alluvion drifts in the basin of Lake Sevan | Proceedings of YSU, Natural Sciences, 2007, #1, p. 138-145 |

    K. V. Aloumyan, T. S. Mnatsakanyan

    The investigation of mechanical tensions in monocrystalls by the X-ray pendellosung fringes method | Proceedings of YSU, Natural Sciences, 2007, #1, p. 146-148 |

    H. A. Beglaryan

    Investigation of ZnO chemical transportation reaction with hydrogen peroxide by ESR method | Proceedings of YSU, Natural Sciences, 2007, #1, p. 149-152 |

    R. M. Haroutyunian , Galina G. Hovhannisyan, R.Ye. Muradyan, K. S. Margaryan

    Comparative analysis of genotoxic effects of new porphyrins in Comet-Assay IN VIVO | Proceedings of YSU, Natural Sciences, 2007, #1, p. 153-155 |
    Congratulations | Proceedings of YSU, Natural Sciences, 2007, #1, p. 156 |
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