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The EditOrs
of Keramický zpravodaj
Managing - editor
Ing. Karel Pavlík
Executive - editor
Monika Molnárová
Editorial board
Ing. Jindra Drottnerová
Doc. Ing. Juraj Branislav Ďurove, Ph.D.
Ing. Evžen Krameš
Ing. Karel Lang, CSc.
Ing. Jaroslava Ledererová, CSc.
Doc. Ing. Milan Mikoláš, Ph.D.
Doc. Dr. Dipl.-Min. Willi Pabst
Ing. Magda Purkrábková
Ing. Jiří Sedmidubský, CSc.
Petr Schlattauer
Ing. Vladimíra Slípková
Ing. Jaroslav Stoklasa, Ph.D. (chairman)
Prof. RNDr. Pavol Šajgalík, DrSc.
Ing. Miroslav Škrášek
Reviewers
Doc. Ing. Vladimír Hanykýř, DrSc.
Doc. Ing. Jaroslav Kunc, CSc.
Doc. Ing. Radomír Sokolář, Ph.D.
Annotators
RNDr. Jiří Babůrek, Ph.D. (Ba)
Ing. Vladimír Dufek, CSc. (Df)
Doc. Ing. Jaroslav Kunc, CSc. (Kc)
Jaroslav Kvasnička (Kv)
Mgr. Vladimíra Sobotková (So)
Ing. Jaroslav Stoklasa, Ph.D. (St)
natural and alternative raw materials – mineral processing and technologies – silicate industrial products – testing
practice and
methods – standardization and patents – industrial ecology and environment – progress trends
Contens
page
4
KERAMICKÝ ZPRAVODAJ
Reference journal for the silicate industry
volume 27
No. 2/2011
Publisher: Silikátový svaz, Nádražní 76, 150 00 Praha 5 - Smíchov
Editor´s office and advertising: Monika Molnárová, Silikátový svaz, Nádražní 76, 150 00 Praha 5 - Smíchov
tel.: 224 932 884, fax: 224 933 891, e-mail: vtei@silis.cz, silis@silis.cz, http://www.silis.cz
6 issues, ISSN: 1210-2520, No. MK CR E 18837, deadline for No. 3/2011 31. May 2011
Printing: Grafotechna Print, s.r.o.
Keramický zpravodaj 27 (2) (2011)
Pyramids and geopolymers?
5
J. Švarcová, D. Koloušek, J. Schweigstillová
Application, Properties and Development of Coke-Oven Silica Brick
13
M. Kotouček, L. Nevřivová, K. Lang
Buildings disorders - guying roof trusses
20
I. Petrášek
Annotations from the special foreign journals
26
Inventions – Patents
39
Standardization
41
Firms – technologies – products – fairs
41
Prices of raw materials
50
Design
52 – 56
The New York Ceramics Fair, part 2
52
P. Jarkovský
Association Chronicle
57 – 58
Phenomenon Pravoslav Rada
57
Informations of the Silicate Association
59