1-The field of specialization should be mentioned for papers classification.
2-The language of the bulletin is English; however, a limited space will be allowed for a
number of articles written in Arabic .
3-The typescripts should show the author(s) surnames and initials, at the top of the text,
followed by the institute or lab. where the work has been done. The manuscript should
indicate the name of the author to whom the final proof is to be sent.
4-Contributions, which will be subject to scrutiny by independent referees and editorial
revision, should normally be not longer than the equivalent of 20 pages, including tables,
illustrations and references list, preceded with a 100-300 words abstract and an Arabic
summary on a separate sheet.
5-Articles should be typewritten double-spaced on one side of the paper only.
6-References are to be numbered consecutively in order of appearance in the text and
should be collected together as a list at the end of the manuscript .
Punctuation and arrangements for a periodical reference will be as follows :
El-Faham T.H. and Mahfouz N.M. (1994): Synthesis, Hydrolysis Kinetics and Physico-
chemical Properties of Ester Prodrugs of Bucetin. Alex. J. pharm. Sci., Vol. 8(1).
And for books they will be as follows :
Zalkin H. and Dixon J, E., (1992): “Progress in Nucleic Acid Research and Molecular
Biology” Vol. 42, Academic Press, San Diego, PP. 202-209.
7-Tables with descriptive titles should be submitted on separate pages, one for each table .
8-Figures should be submitted ready for reproduction.
9-Symbols, units and equations should be consistent with the recommendations of IUPAP.
10-All papers are scrutinized by referees in the Environmental Fields.