(一)Manuscripts should be written in English. Authors whose native language is not English are strongly advised to have their manuscripts checked by an English-speaking colleague prior to submission.

(二)Manuscripts should be prepared in single column with wide margins and double spacing throughout. Every page of the manuscript, including the title page, references, tables, etc. should be numbered. All variables and Greek letters should be in italic, and all constants should be in Roman. Vectors or matrix variables should be in bold italic.

(三)Title page: This page should contain a concise and descriptive title with no more 80 characters, name(s) of author(s), affiliation(s), city, zip code, country, full telephone, E-mail of the corresponding author.

(四)Abstract: The abstract should be clear, informative and not longer than 300 words to outline the objective, method and main results.

(五)Keywords: Authors are asked to provide 3 to 6 items for cross-indexing of this paper. The keywords should be placed below the abstract with one space line apart from it.

(六)Text: The text should contain an Introduction to put the paper in proper perspective for the audience, Materials and Methods, Results and Discussion, and Conclusion sections. Section and subsection headings must be numbered in the decimal system

(七)Illustrations: Each illustration must be prepared on a separate page; never embodying the illustrations in the Text.

(八)Acknowledgements: Individuals or groups other than the authors who were of direct help in the work should be acknowledged. Information on research grants should be mentioned here.

(九)References: References should be typed on separate page. All references should be numbered in Arabic numerals according to their sequence in the text and bracketed.