1.manufscripts should be written in English . authors whose native language is not English are strongly advised to have their manuals checked by an English

2.manual scripts should be prepared in single column wide margin And double spacing throughput . every page of the manual script，Including the titlevectors or matrix variables should be in bold italic。

3.title page : this page should contains a concise and descriptive title with no more 80 characters，name (s) of author (s)，affiliation (s)，city，Zip

4.abstract : the abstract should be clear，informative and not longer than 300 words to outline the objective，method and main results。

5.keywords : author 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。

6.文本: the text should contains in an introduction to put the paper in proper perspective for the audience，materials and methods，Results and discussion

7.illustratios : each illustation must be prepared on a separate page；never emodying the illustratios in the text。

8.acknowledge ments 3360 individuals or groups other than the authors who were of direct help in the work should be acknowledge。information on research grants should be mentioned here。

9.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