Volume 39, Iss. 1 (2004)

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Journal of Chemical Technology and Metallurgy

39, Iss. 1, 2004
ISSN 1311-7629 (print)
ISSN 1314-3859 (on line)

EDITOR-IN- CHIEF
Prof. Dr. Bogdana Koumanova
Tel: (+ 359 2) 81 63 302
University of Chemical Technology and Metallurgy,
8 Kl. Ohridski ., 1756 Sofia, Bulgaria
E-mail: journal@uctm.edu


 

NANOSTRUCTURAL MATERIALS AND ELECTROCHEMICAL NANOSTRUCTURAL SURFACE TREATMENT
(Review)
Tz. Tzvetkoff

Chemical Technology

FIXATION OF REACTIVE DYES USING MICROWAVE IRRADIATION
A. K. Haghi
CONDENSATION OF HETEROAROMATIC ALDEHYDES WITH MELDRUM’S ACID TO PRODUCTS OF PHARMACEUTICAL INTEREST
A. Bijev, P. Prodanova
EFFECT OF WATER ON THE VULCANIZATION OF FILLED STYRENE-BUTADIENE RUBBER. PART I
M. Ivanov1, D. Ivanova2
EFFECT OF WATER ON THE ACCELERATED SULPHUR-THIAZOLE AND SULPHUR-THIURAM VULCANIZATION OF STYRENE-BUTADIENE RUBBER. PART II
M. Ivanov1, D. Ivanova2
SUPERADSORPTIVE POLYACRYLONITRILE FIBROUS MATERIALS
V. Angelova, L. Boyadjieva, S. Veleva, R. Garvanska

Metallurgy

THERMODYNAMIC STUDY OF THE Ag-Au-Me (Me=Zn,Sn) TERNARY LEAD-FREE SOLDER ALLOYS*
D. Živkovic, D. Manasijevic, Ž. Živkovic

Chemical Engineering

OPTIMAL DESIGN OF A MULTIPLE CONCENTRIC-TUBE HEAT EXCHANGER
I. Seikova, I. Pentchev
INVESTIGATION OF THE MICROWAVE PROPERTIES OF THE SYSTEM MgTiO3-CaTiO3-Ba(Mg1/3Ta2/3)O3
V. Parvanova, I. Iliev
PLATING AND PROPERTIES OF ELECTRODEPOSITED ZINC-TIN ALLOY COATINGS
I. Todorov1, G. Raichevski2
PHASE CHANGES DURING LASER HEATING OF THIN Zn FILMS DEPOSITED ON GaP
D. Demireva

Chemistry

SYNERGISTIC SOLVENT EXTRACTION OF Ce (III) WITH MIXTURES OF CHELATING EXTRACTANT AND QUATERNARY AMMONIUM SALT
I. Dukov, M. Atanassova
DIELECTRIC PROPERTIES OF (1-x)BaTiO3.xMgTiO3 OBTAINED BY PEROXOMETHOD
V. Parvanova
IR SPECTROSCOPY INVESTIGATION OF METAL AMORPHOUS NANOPARTICLES
I. Markova - Deneva, K. Alexandrova, G. Ivanova, I. Dragieva
RELATIONSHIP BETWEEN THE CHEMICAL SOIL CONTENT AND THE PRESENCE OF TERMITES
G. M.Taha, M. A. Hoda
INVESTIGATION OF THE KINETICS OF AGING OF CHEMI-MECHANICAL PULP FROM POPLAR WOOD
E. Valcheva, R. Boeva, E. Petkova, Z. Litovski

Mathematics

FORMATION OF THE SUPPORT PROBLEM IN THE OPTIMIZATION ALGORITHM FOR DYNAMIC SYSTEMS WITH TERMINAL CONSTRAINTS IN A CLASS OF INERTIAL CONTROLS
L. Dimitrova