Journal of Chemical Technology and Metallurgy
53, Iss. 6, 2018
ISSN 1314-7471 (print)
ISSN 1314-7978 (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
SELECTED ARTICLES
SEVENTH BALKAN CONFERENCE
ON GLASS SCIENCE & TECHNOLOGY
19th CONFERENCE
ON GLASS AND CERAMICS
1 - 4 October, 2017
Nessebar, Bulgaria
Invited Editors
Prof. Dr. Stoyan Djambazov
Prof. D.Sc. Vesselin Dimitrov
Prof. D.Sc. Yanko Dimitriev A life devoted to the science and the knowledge
Anna Staneva, Vesselin Dimitrov, Stojan Djambazov
Group optical basicity and single bond strength of lead borate glasses
Vesselin Dimitrov, Tina Tasheva, Takayuki Komatsu
Group optical basicity and single bond strength of oxide glasses
Vesselin Dimitrov, Takayuki Komatsu, Tina Tasheva
Doris Möncke, Manoel da Cruz Barbosa Neto, Henrik Bradtmüller, Gabriel Buzatto de Souza, Alisson M. Rodrigues, Hager S. Elkholy, Hosam A. Othman, Benjamin J.A. Moulton, Efstratios I. Kamitsos, Ana Candida M. Rodrigues, Doris Ehrt
Ruzha Harizanova, Liliya Vladislavova, Georgi Avdeev,Christian Bocker, Ivailo Gugov, Christian Rüssel
Synthesis of ZnTeO3 by crystallization of glasses in TeO2-Bi2O3-ZnO-Nb2O5 system
Svetlozar Ganev, Albena Bachvarova-Nedelcheva, Reni Iordanova, Bogdan Ranguelov, Svetlin Parvanov
Determination of the sensing characteristics of SiO2-Bi2O3-TiO2 system towards relative humidity
Ahmed S. Afify, Stanislav S. Slavov, Abd El‐Razek Mahmoud, M. Hassan, Mohamed Ataalla, Anna Staneva, Amr Mohamed
An innovative composite material based on sintered glass foam granules
Lyuben Lakov, Bojidar Jivov, MihaelaAleksandrova, Yonka Ivanova, Krasimira Toncheva
Luminescent properties of rare earth doped ZnO-B2O3-P2O5 glasses
Irena Kostova, Georgi Patronov, Dan Tonchev
Stress analysis of insulating glass units under transient thermal loadings
Ivelin Ivanov, Dimitar Velchev, Nina Penkova, Kalin Krumov, Veselin Iliev
Teodora Stoyanova Lyubenova, Diego Fraga, Juan B. Carda Castelló, Vladimir Kozhukharov, Maria S. Machkova
Angel Georgiev, Albena Yoleva, Stoyan Djambazov
Preparation of bonding substances on the ground of chrome concentrate utilization waste sludge
Vladimir Petkov, Radoslav Valov, Ivan Penkov
Ganka Kolchakova, Milena Ivanova, Louiza Terziyska
Determination of the fractal dimension of porous ceramic materials
Irena Markovska, Stancho Pavlov, Fila Yovkova, Stanka Yaneva
Estimation of ceramics surface roughness by fourier analysis
Irena Markovska, Stancho Pavlov, Fila Yovkova, Todor Michalev, Stanka Yaneva
Production of prototypes of “yellow paving stones” in Bulgaria
Part I: Physical and chemical properties
Lyuben Lakov, Svetlana Encheva, Peniu Tsonev, Bojidar Jivov, Mihaela Aleksandrova, Krasimira Toncheva
Production of prototypes of “yellow paving stones” in Bulgaria
Part II: Tribological and mechanical indicators
Lyuben Lakov, Mara Kandeva, Peniu Tsonev, Veselin Vasilev, Bojidar Jivov, Mihaela Aleksandrova, Krasimira Toncheva, Nikolai Stoimenov
Efficiency of transparent structures in trombe walls
Nikola Kaloyanov, Borislav Stankov, Georgi Tomov, Nina Penkova
Comparative study of sol-gel derived pure and Nd - doped TiO2 nanopowders
Albena Bachvarova-Nedelcheva, Stancho Yordanov, Reni Iordanova, Irina Stambolova
Photocatalytic degradation of two azo-dyes in single and binary mixture by La modified TiO2
Angelina Stoyanova, Albena Bachvarova-Nedelcheva, Reni Iordanova
Stancho Yordanov, Irina Stambolova, Lyuben Lakov, Bojidar Jivov, Vladimir Blaskov, Sasho Vasilev
Synthesis and characterization of supported spinel ferrite catalysts
Tanya Petrova, Nikolay Velinov, Diana Filkova, Ivanka Ivanova, Ivan Ivanov, Iliyana Yordanova, Silvia Todorova, Vasko Idakiev, Nartzislav Petrov, Ivan Mitov
An effect of a natural zeolite on the characteristics of spring or electrochemically activated water
Stoyan Djambazov, Albena Yoleva
Enzymatic decolorization of dyes by laccase immobilized on hybrid carriers
Spaska Yaneva, Nadezhda Rangelova, Lyubomir Aleksandrov, Dancho Danalev
Synthesis and investigation of the properties of hybrid materials for enzyme immobilization
Spaska Yaneva, Vera Semerdzhieva, Raya Raykova, Dessislava Marinkova, Georgi Chernev, Ivo Iliev, Lyubov Yotova
Table of Contents, iss. 1-6, 2018