• The University of Aden Journal of Natural and Applied Sciences is published three times per year (April, August and December).
• The Journal publishes basic and applied refereed research articles in the following fields of Natural and Applied Sciences:
· Basic Sciences
· Medical and Biological Sciences
· Engineering and Technological sciences
· Agriculture and Environment Sciences

• It is essential that the article will never have been published or sent for publication elsewhere. The researcher shall send three copies including the original.
• Any manuscript submitted for publishing in the Journal will be subject to Evaluation according to the established scientific rules by two highly qualified specialists in the subject matter of the research. A third one may be added to those two if necessary.
• The Editorial Board reserves all rights to make stylistic and/or grammatical changes.
•  Although the referees decisions regarding suitability for publication are final, the Editorial Board reserves the right to accept or not to accept the paper for ublication.
• Manuscripts will not be returned to the authors whether accepted or not.
•  If the author chooses to withdraw his article after it has been assessed, he would reimburse the “Aden University Journal for Natural and Applied Sciences ” with the cost of reviewing the paper.
•  All authors will be given one issue of the journal which their paper appeared in and 10  reprints of the published paper.
• To cover the above expenses in addition to mail expenses authors in Yemen outside The University of Aden are kindly requested to pay an amount of YR 10000 (Six thousand Yemeni Rials) to cover some of the expenses of publishing, reviewing and editorial charges. Authors outside Yemen are kindly requested to pay $100 (Fifty US Dollars) to be sent to the “University of Aden Journal for Natural and Applies Sciences” AC. No. 556547 , National Bank of Yemen – Aidroos Branch, Crater, Aden, Republic of Yemen.

Editorial Board
Prof. Dr. Saeed Abdulla Ba-Angood.

Editing Manager:
Prof. Dr. Mohmmed Abdulla Hussein

Prof. Dr. Abdullrahman Alwai Bin Yahya
Prof. Dr. Hussain Ahmed Bakathir
Prof. Dr. Abubaker Abdulrashid Ali Zumailan
Prof. Dr. Maged Gumaan Bin-Saad
Associate Prof. Dr. Shawqi Abdulrahman Al-Jaroo.

Eng. Iman Sallam Mohamed

All Correspondence Concerning this Journal should be addressed to:
Editor – in – chief- University of Aden Journal of Natural And Applied Sciences – University of Aden, Khormaksar – P.O. Box. 6312 Aden Republic of Yemen. Tel: 967-2-239774 Fax 967 – 2 – 234817

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