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8 results for “S.E. Abd El-Bar”
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Research ArticleOpen accessIn the author namesComputation of the Locations of the Libration Points in the Relativistic Restricted Three-Body ProblemS.E. Abd El-Bar, F.A. Abd El-SalamProblem statement: In this study, the effects of Relativistic Restricted three-Body Problem (in brief RRTBP) on the equilibrium points of both triangular and collinear is considered. The approximate locations of the collinear and triangular points are determined. Series expansions are used to develope in µ and 1/c2 as small parameters. To check the validity of our solution, when ignoring 1/c2 … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 29 Feb 2012 · 7,042 accessesView PDFCite
Research ArticleOpen accessIn the author namesRandom Sum of Mixtures of Sum of Bivariate Exponential DistributionsAbd El-Moneim A.M. Teamah, Ahmed M.T. Abd El-BarProblem statement: The distributions of R = X+Y and W = X/(X+Y), where X and Y follow Lawrance and Lewis`s bivariate exponential distribution, is generalized. Approach: In this research we found mixtures of sum of bivariate exponential random variables. Results: Also we calculated the probability density function (pdf) of the random sum of mixtures of sum of bivariate exponential random … …Journal of Mathematics and Statistics, Vol. 5, Issue 4 · 31 Dec 2009 · 7,321 accessesView PDFCite
Research ArticleOpen accessIn the author namesOn the Stability of the Triangular Lagrangian Equilibrium Points in the Relativistic Restricted Three-Body ProblemM. K. Ahmed, F.A. Abd El-Salam, S.E. Abd El-BarThe restricted three body problem is treated in the framework of the post-Newtonian approximation of general relativity. The equations of motion are linear zed around the libration points L4,5. Locations of the equilibrium points L4,5 are obtained. Existence and stability of these points are investigated. The relativistic correction to the classical mass ratio is determined. …American Journal of Applied Sciences, Vol. 3, Issue 9 · 30 Sep 2006 · 7,308 accessesView PDFCite
Research ArticleOpen accessIn the author namesINDUCES OF ANTIOXIDANT COMPOUNDS AND SALT TOLERANCE IN WHEAT PLANT, IRRIGATED WITH SEAWATER AS RESPONSE TO APPLICATION OF MICROALGAE SPRAYHanaa H. Abd El Baky, M. M. Hussein, Gamal S. El-BarotyWheat plants (Triticum aestivum L., cv. Giza 168) irrigated with either 10 or 20% of Seawater (SW) were treated with aqueous extracts of green microalgae Scenedesmus obliquus and blue green algae Spirulina platensis (AESO and AESP 20 g (dry weight)/L) in order to increase wheat salt tolerance. Treated plants showed higher ability to tolerate salt stress (10 or 20% SW) … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 2 · 7 Jan 2014 · 7,596 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordAn Analysis of Operationalization and Acceptability of Business to Business Transaction: A mixed Method ApproachYusuf Muhammad-Bashir Owolabi, Ahamed Kameel Mydin Meera, Gairuzazmi Mat Ghani et al.Business to business barter exchange is a form of transaction that is gaining popularity during the economic downtown despite the fact that money exchange supersede the traditional barter exchange due to a number of inherent problems it has. This study explores the operation and user’s acceptance of business to business barter exchange in Malaysia that has made barter exchange feasible … …American Journal of Applied Sciences, Vol. 9, Issue 9 · 30 Jul 2012 · 7,731 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordEffects of L-Carnitine and Cinnamon Extract Treatment on Lens Crystallins of Rats Fed High Fructose DietMohamed H. Mahfouz, Amany Abd El-Ghaffar, Mona A. Mohamed, Hala M. GhanemProblem statement: Rats fed high dietary fructose are documented to form an acquired model of insulin resistance; the present study aims to investigate possible changes in lens crystallins of rats fed high fructose diet and the effects of administration of each exogenous L-Carnitine (CA) and Cinnamon Extract (CE) on protein glycation, oxidative stress and redox homeostasis in this rat model. … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 2 · 3 Aug 2011 · 8,716 accessesView PDFCite