CEMENT INTERNATIONAL is a technical journal for the cement industry. It is published by Verlag Bau+Technik GmbH in Erkrath, Germany (website: http://www.verlagbt.de/verlag/ci/index.de.php). It is specialized in the processing, performance and applications of cement.

CEMENT INTERNATIONAL is the official organ of VDZ (German Cement Works Association), of the BDZ (Federal German Association of the Cement Industry) and the Hungarian Cement Association.

CEMENT INTERNATIONAL – Chinese version is issued in the People’s Republic of China since 2005.

CEMENT INTERNATIONAL – Arabic Edition is issued by G&W Science and Engineering Co.,Cairo Egypt. G&W is in charge of the distribution in Egypt and in the Arab countries. The publication frequency is planned to be twice per year.

CEMENT INTERNATIONAL – Arabic Edition, No.1/2006 appeared in 14^th AUCBM Arab Internationsl Cement Conference & Exibition which was held in Cairo, Egypt, November 2006.

Imprint

CEMENT INTERNATIONAL Verlag Bau+Technik GmbH Steinhof 39 40699 Erkrath, Germany Tel.: +49 (0) 211 92499-0 Fax.: +49 (0) 211 92499-55 eMail: ci@verlagbt.de Managing Director: Dipl.- Ing. Rainer Büchel Tel.: +49 (0) 211 92499-0 Publisher: Dr.-Ing. Fritz Feige Tel.: +49 (0) 34901 94810 eMail: Fritz.Feige@gmx.de Editor-in-Chief: Dr. rer. nat. Stefan Deckers Tel.: +49 (0) 211 92499-51 eMail: deckers@verlagbt.de Editorial Advisory Board: Prof. Dr. F. W. Locher Prof. Dr. S. Sprung Prof. Dr. D. Knöfel Advertising Manager: Günther Jung Tel.: +49 (0) 211 92499-35 eMail: jung@verlagbt.de Advertising Representative: Linda Boyle Tel.: +1 519 578 9666 eMail: lkboyle@handelmedia.com Arabic Edition Issued and distributed by: G&W Science and Engineering Co. 32 Mohamed Fahmy El Mohder st., Nasr City, Cairo, Egypt Tel-Fax: +20 2 2639783 eMail: gw-group@gw-egy.com www.gw-egy.com/ci-arabic.edition Editor-in-Chief: Prof. Dr. rer. nat. Hanaa Y. Ghorab G&W, Helwan University, Egypt Tel: +20 2 2639783 eMail: gw-group@gw-egy.com Technical Revision: Eng. Nabil El Gabri National Cement Co., Egypt email: eng-nabil@ncc-eg.com Place of Publication: Cairo, Egypt

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