May 2014 Issue of the journal Engineering Sciences (JES) is now in the link: http://www. Jes. aun.edu.eg/ Journal of Engineering Sciences (JES) is a multidisciplinary peer-reviewed journal that is published bimonthly by Faculty of Engineering in Assiut University. JES is dedicated to increasing the depth of the Engineering subjects across  disciplines with the ultimate aim of expanding knowledge of these subjects. JES covers all fields of Eng ineering and all fields of Applied Science which is part of a wider mission of the Faculty of Engineering at Assiut University. Editorial Board                                                 JES@aun.edu.eg