Vol. 38 No. 1 (203) (2004)

DOI: https://doi.org/10.46991/PYSU:B/2004.38.1

Published: 2003-12-28

Chemistry

$AB~INITIO$ STUDY OF VIBRATIONAL SPECTRA OF LITHIUM PERCHLORATE AND NITRATE

L. S. Gabrielian

51-58
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STUDY OF KINETICS AND MECHANISM OF THE DIPHENYLAMINE REACTION WITH POTASSIUM PERSULFATE IN WATER-ETHANOL MICELLAR SOLUTIONS OF DIFFERENT SURFACTANTS

M. G. Gevorgyan

59-64
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ION-EXCHANGE THIN-LAYER CHROMATOGRAPHY OF ELEMENTS. 2. Study of the complexation of Re (VII), Mo (VI), V (V) and W (VI) ions in organic acid solutions

D. S. Gaibakyan, Yasin Mala, H. G. Khachatryan

65-70
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AMPEROMETRIC TITRATION OF PERRHENATE-IONS BY METHYL VIOLET AND CRYSTAL VIOLET ORGANIC BASIC DYES

Sh. A. Gyulnazaryan

71-75
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THE SYNTHESE OF NEW DERIVATIVES OF UNSATURATED γ-LACTONES CONTAINING TETRAZOLE RING

A. A. Avetisyan, G. G. Tokmajyan, L. V. Karapetyan

76-79
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Biology

STUDY OF INTERACTION BETWEEN PURIFIED HYPERICIN PREPARATIONS AND DNA

A. R. Penesyan, A. P. Antonyan, H. R. Vardapetyan

80-85
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AFTEREFFECTS OF HIGH TEMPERATURE ON THE PARAMETERS OF SLOW INDUCTION OF PHOTOSYSTEM 2 CHLOROPHYLL $a$ FLUORESCENCE IN CHLORELLA

J. M. Javrshyan, L. S. Gabrielyan

86-93
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INTERACTION OF ETIDIUM BROMIDE WITH SYNTHETIC HOMOPOLINUCLEOTIDE poly[d(A-T)]-poly[d(A-T)]

H. G. Davtyan

94-98
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EFFECT OF $ppc$ AND $dapA$ DOSAGE INCREASE ON LYSINE PRODUCTION IN $BREVIBACTER1UM~LACTOFERMENTUM$

N. A. Hovhannisyan, M. B. Chitchyan, Xie Yu Qing, G. G. Oganezova, M. A. Melkumyan, H. Yu. Sahakyan

99-104
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THE INVESTIGATION OF HEART RHYTHM VARIABILITY DURING FULFILMENT OF MAZE-MODEL TASKS

V. H. Grigoryan, A. Y. Stepanyan, A. N. Arakelyan, H. R. Aghababyan

105-110
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NEW FOR ARMENIAN MYCOBIOTA SPECIES OF AGARICOID AND G A STEROID FUNGI

S. G. Nanagulyan, A. L. Sirunyan, A. A. Amiryan

111-116
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Short Communications

AMPEROMETRIC DETERMINATION OF TELLURIUM (IV) BY N,N-DIPHENYL- AND N,N'-DIPHENYLTHIOUREAS

Sh. S. Zaqaryan, G. G. Darbinyan, G. N. Shaposhnikova, H. G. Khachatryan

137-140
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CYTOGENETIC ANALYSIS OF CHRONIC MYELOID LEUKEMIA PATIENTS IN ARMENIA

A. M. Hovhanisyan

141-144
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BIOSYNTHESIS OF WATER SOLUBLE PROTEINS OF YEASTS $C.~Guilliermondii$ BKM Y-42

L. A. Navasardyan

145-147
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INFLUENCE OF HEAVY METALS AND ORGANIC FERTILIZERS ON CROP OF CORN AND BARLEY

G. A. Asatryan, S. P. Abazyan, K. V. Grigoryan

148-150
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