SCIENCE CONFERENCE 2002
Taiz, 11-13 October 2002

PUBLICATION 

The " YEMENI JOURNAL OF SCIENCE  "

Is published by the Yemeni Scientific Research Foundation.
It publishes original papers, review articles, case studies, and information technology in all facets of science, Its goal is to advance and disseminate knowledge in all basic and applied sciences. Contributors are kindly requested to refer to “instructions to authors” before they submit their contributions for publication.

Instructions to Authors:

The work of the editors will be greatly facilitated if authors adhere to the following instructions:-

Manuscripts must be written in English with an Arabic summary and sent to the Editor-in-Chief, Yemeni Journal of Science.

 P.O. Box 11632, Sana'a, Republic of Yemen.

Submission of a manuscript implies that it has been approved by the named authors, that it reports their unpublished work, and that it is not sent for publication elsewhere.  Manuscripts should not exceed (25 A4) pages including figures and tables, produced using Microsoft word version 6 or above, with Times New Roman font “12”. They should be typewritten in double spacing on A4 paper and submitted in duplicate, and on a 3.5 floppy disc. The file on the disc should exactly correspond to the hard copy.

Authors should, as far as possible, adhere to the following format:

1 -Title page, headed by a concise but informative full title, name(s) and address of the institute where the work was carried out.

2- Summary, containing brief but informative details of the contents, and conclusions of the paper, and should not exceed 200 words.

3- Introduction, stating the reasons for carrying out the work.

4- Materials and Methods, containing sufficient experimental details so that methods can be reproduced by readers (in experimental papers).

5- Results, should be described as concise as possible and the use of both tables and figures to present the same data is to be avoided.

6- Discussion, should not recapitulate results in detail or contain new information but should emphasize the relevance and significance of the findings reported.

7- Acknowledgements.

8- References, Correct references are the responsibility of the author. The Harvard system should, as far as possible, be used for the citation of references of the text as follows: Salim & Ali (1999) or (Salim& Ali, 1999). Where there are more than two authors, the citation should be in the form Ali et al. (1999) or (Ali et al., 1999). When several papers by the same author (s) have been published in the same year they should be cited as Ali (1999a, b). Unpublished work used in the paper can be cited as”unpublished" or "personal communication". Citation of papers “in press” or “pre-print” is acceptable. At the end of the paper references should be listed in alphabetical order of authors’ names. Both the title of the paper and of the journal should be given in full according to the following style:

Kalla, S. L. & Galue, L. (1994). Simple algorithm of approximation of the hypergeometric function. Journal Algebra Groups and Geometry ll:347-359.

Sidhu, G. & Webster, J. M. (1974). Genetics of resistance in the tomato to root-knot nematode-wilt fungus complex. Journal of Heredity 65: 153-156. 

Hsiao, T. C. (1973). Plant response to water deficits, water use efficiency and draught resistance. Agricultural Meteorology 14: 59-84

Wood, J. I. R. (1997).   A handbook of the Yemen Flora. Royal Botanic Gardens, Kew. U. K.