Volume 44, Iss. 3 (2009)

Journal of Chemical Technology and Metallurgy

44, Iss. 3, 2009
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

 

review

 

Novel processing techniques and applications of austempered ductile iron

A.A. Nofal, L. Jekova

 

chemical technology

 

Selenite glasses containing Ag⁺ and Cu²⁺ ions as modifiers

A. Bachvarova-Nedelcheva, Y. Dimitriev, R. Iordanova

 

Synthesis of submicron powders of ZnO and ZnO-M_nO_m (M_nO_m= TiO₂, V₂O₅) by sol-gel methods

Y. Dimitriev, Y. Ivanova, A. Staneva, L. Alexandrov, M. Mancheva, R. Yordanova, C. Dushkin, N. Kaneva, C. Iliev

 

Preparation of magnetic Mg-Zn ferrite ceramic and evaluation of some important magnetic characteristics

V. Kassabova-Zhetcheva, L. Pavlova, V. Popova

 

Liquid fertilizers from potassium phosphates – composition and properties

K. Kamburova, P. Kirilov, L. Brakalov

 

Feedstock recycling of poly (vinyl chloride-co-vinyl acetate): alkaline dechlorination in organic solvents

J. Blazevska-Gilev, D. Spaseska

 

Silica products from rice hulls

I. Valchev, V. Lasheva, Tz. Tzolov, N. Josifov

 

chemical engineering

 

Computational fluid dynamic analysis of two phase jet mixer

C. Shanawaskhan, P. Kalaichelvi, M. Perumalsamy, A. Arunagiri

 

Adsorption separation of ethanol – water liquid mixtures by natural clinoptilolite

E. Ivanova, D. Damgaliev, M. Kostova

 

chemistry

 

Kinetics of the oxidation of hcooh with KMnO₄ over a wide range of pH

M. K. El Rifai, M.M. El Jamal

 

From 1-methylnaphthalene to aminobenzoyl-2-hydroxy-1-naphthyl hydrazone

K. Genov, D. Nikolova

 

A mechanism of anodic dissolution of molybdenum in weakly acidic and neutral electrolytes

M. Petrova, M. Bojinov

 

Chemical characterization of volatile organic components of Salvia officinalis using ultrasonic-assisted head space solid-phase microextraction and hydro-distillation extraction methods

M. H. Meshkatalsadat, Mohammad R. Poor Heravi, F. Rashidipour

 

Aapplication of ftir-spectroscopy for diagnosis of breast cancer tumors

M. Dimitrova, D. Ivanova, I. Karamancheva, A. Milev, I. Dobrev

 

metallurgy

 

Investigation on the effect of cold plastic deformation on the structure and properties of high nitrogen stainless austenitic nickel-free steels

L. Jekova

 

mechanics

 

Estimation of mixing ratios of three component mixture using shear horizontal surface acoustic wave sensor and neural network

T. E. Taha, M. A. A. El-Dosoky , A. M. El-Sayed

 

The present issue of the Journal of the University of Chemical Technology and Mettalurgy was published with the financial support of the National Science Fund, Ministry of Education and Science, Contract DO 02/69/02.04.2009.