Proceedings of Yerevan State University 1998 #1(188)
Proceedings of Yerevan State University 1998 #1(188) 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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    Proceedings of Yerevan State University


    Editorial Board
    Ter-Antonian V. M. (editor), Aroutiounian R. M. (deputy editor),
    Sharambeyan L. T. (executive secretary),
    Arakelian N. H., Avetisian A. A., Balian S. P., Beylerian N. M., Chubaryan E. V., Danielyan E. A., Haroutunian V. M., Khachatryan I. G., Osipyan L. L., Papazian T. A., Sahakian G. S., Sargsyan H. H., Sargsyan V. S., Shahbagian R. L., Tonoyan R. N.

    Table of Contents

    A. V. Kolian

    Three-dimentional space of Frene | Proceedings of YSU, Natural Sciences, 1998, #1, p. 3-7 (in russian) |

    A. S. Mashourian

    M-arithmetics and their models | Proceedings of YSU, Natural Sciences, 1998, #1, p. 8-12 (in russian) |

    G. A. Karapetian, A. H. Petrosian

    Solution of degenerating semielliptic equations in the space | Proceedings of YSU, Natural Sciences, 1998, #1, p. 13-23 (in russian) |

    V. R. Barseghyan

    On the optimal control of membranes vibration under fixed intermediate states | Proceedings of YSU, Natural Sciences, 1998, #1, p. 24-29 (in russian) |

    E. Kh. Grigorian, A. S. Hakobian

    A contact problem for a wedge, which is symmetrically stumped by finite or semi-infinite beams | Proceedings of YSU, Natural Sciences, 1998, #1, p. 30-40 (in russian) |

    A. S. Chirkinian

    Franz-Keldish effect in thin A3B5 type semiconductor wire | Proceedings of YSU, Natural Sciences, 1998, #1, p. 41-46 (in russian) |

    H. M. Movsessian, H. Sh. Petrossian

    Differential refrlection spectra of cadmium selenide crystals doped with cadmium | Proceedings of YSU, Natural Sciences, 1998, #1, p. 47-49 (in russian) |

    M. G. Gevorgyan, S. Sh. Yavriyan, N. Ja. Sarkissian

    On the H2O2 decomposition rate in different layers of three subtypes of mountainous meadow soils | Proceedings of YSU, Natural Sciences, 1998, #1, p. 50-58 (in russian) |

    N. O. Geokchian, J. A. Mikaelyan, A. A. Eghiazaryan , H. G. Khachatryan

    Study of bromaurate (III) extraction with basic dye of azine row neutral red by extraction-absorptiometric method in suluric acid media | Proceedings of YSU, Natural Sciences, 1998, #1, p. 59-62 (in russian) |

    S. P. Hovhannessian, M. A. Davtian, L. Ye. Lachinian, A. R. Papoyan

    Gutamate- and alanine-dehydrogenases activity in subcellular fractions of Asp. niger R-3 | Proceedings of YSU, Natural Sciences, 1998, #1, p. 63-66 (in russian) |

    A. A. Hambartsumian, P. V. Tozalakian, A. N. Arzumanian, J. A. Aghajanian, M. T. Petrossian, Yu. G. Popov

    Study of phenylalanine-ammonia-lyase activity of hawkweed and topinambur callus cultures | Proceedings of YSU, Natural Sciences, 1998, #1, p. 67-71 (in russian) |

    H. H. Hovhannessian, S.A. Hakopian, S.M. Minasyan , A. J. Hakopian, K. R. Hovhannessian

    Moon phases influence on heart work | Proceedings of YSU, Natural Sciences, 1998, #1, p. 72-75 (in russian) |

    N. A. Karapetian, N. S. Hakobian, N. V. Sarkissian

    Electrophysiological characteristics of specific and non-specific caused responses in oxygen deficiency dynamics | Proceedings of YSU, Natural Sciences, 1998, #1, p. 76-81 (in russian) |

    G. P. Simonian, S. P. Balian, H. Kh. Chilian, L. S. Nazarian

    Brief commentary of neotectonic studies of Armenia and neighboring regions (Lesser Caucasus) | Proceedings of YSU, Natural Sciences, 1998, #1, p. 82-87 (in russian) |

    R. S. Minasyan, V. P. Vardanyan

    Clarification of underground streams spatial position on the basis of field data statistical analysis | Proceedings of YSU, Natural Sciences, 1998, #1, p. 88-92 (in russian) |

    A. T. Grigoryan

    About terms and frequency of mountainous river waters temperature monitoring (on the pattern of RA) | Proceedings of YSU, Natural Sciences, 1998, #1, p. 93-96 |

    M. L. Yeritsian, F. H. Karapetian, S. K. Grigorian

    Acrilic acid radical polymerization in the presence of polyvinylalcohol | Proceedings of YSU, Natural Sciences, 1998, #1, p. 93-99 (in russian) |

    H. H. Darbinyan, G. N. Shaposhnikova, H. G. Khachatryan

    Basic organic dyes as amperometric reagents. XIV. | Proceedings of YSU, Natural Sciences, 1998, #1, p. 100-102 (in russian) |

    J. R. Andreassian, R. T. Mkrtchyan, S. K. Grigorian, Zh. Kh. Grigorian

    Receipt of high purity barium fluoride | Proceedings of YSU, Natural Sciences, 1998, #1, p. 103-105 (in russian) |

    N. A. Hovhannessian, M. G. Snapian, J. A. Aghajanian, M. T. Petrossian, Yu. G. Popov

    Influence of the oxidative stress on superoxide dismutase activity in Hieracum cincinnatum fries callus cultures | Proceedings of YSU, Natural Sciences, 1998, #1, p. 106-108 (in russian) |

    K. M. Grigorian, O. A. Youssef

    Synopsis of speicies of genera Aspergillus mich and Pennicillum αk revealed in imported flour brought to Armenia | Proceedings of YSU, Natural Sciences, 1998, #1, p. 109-110 (in russian) |
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