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PhD theses : Science: Recent submissions
Now showing items 461-480 of 647
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(Sudan University of Science and Technology, 2014-03-10)We study the transport inequalities, gradient estimates entropy, and Ricci curvature. A free probability method of the Wasserstein metric on the trace-states space is considered. We give a free Brunn-Minkowski inequality, ...
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(Sudan University of Science and Technology, 2014-04-11)The thesis exposes the basic language of categories and functions. We construct the projective, inductive limits, kernel, cokernel, product, co product. Complexes in additive categories and complexes. in abelian ...
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(Sudan University of Science and Technology, 2014-01-11)Vacuum energy plays an important role in the early universe. It is responsible, for predicting universe inflation and solving many cosmological problems. It is assumed to be responsible for generating elementary particle ...
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(Sudan University of Science and Technology, 2014-04-11)We give characterizations of isometric shift operators and Backward shifts on Banach spaces with linear isometries between subspaces of continuous functions. We show the inverse spectral theory for the Ward equation and ...
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(Sudan University of Science and Technology, 2014-01-12)This research aimed at investigating the problem of outlier detection in univariate data when the distribution is skewed to the right . A new nonparametric method is proposed that involves a more ...
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(Sudan University of Science and Technology, 2014-06-11)n this thesis, we study the applications of differentiable manifolds and Lie groups to partial differential Equations (PDEs) which represent some of the important physical phenomena. Our primary objective in this thesis ...
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(جامعة السودان للعلوم والتكنولوجيا, 2014-08-20)في هذه الدراسة تناولنا أثر حجم العينة علي دقة تقدير معالم المجتمع بطريقتي التقدير بالنسبة والتقدير بخط الانحدار باستخدام العامل المساعد. فقمنا بإجراء دراسة تطبيقية لمعرفة أيهما أدق التقدير بالنسبة أم التقدير بخط الانحدار ...
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(Sudan University of Science and Technology, 2014-07-10)The thesis exposes concept of the extremal graph, hypergraph and symmetric structure with applications. We construct the symmetric structure for extremal graph like: bipartite graph, graph excluding cycles and hypergraph ...
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(Sudan University of Science and Technology, 2014-07-11)In the present work, elements concentration in fingernails samples of volunteers of different ages (males, females) were determined using atomic absorption spectroscopy (AAS) Perkin-Elmer, spectrophotometer.Fingernails ...
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(Sudan University of Science and Technology, 2014-07-20)Generalized special relativity is one of the most promising models that is found to cure many defects of special relativity. These defects include un capability of explaining gravitational red shift and satisfaction of the ...
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(Sudan University of Science and Technology, 2014-08-20)Preparation and physicochemical characterization, emulsification and rheological properties of glucuronic acid and glucuronates from Acacia senegal var senegal gum were studied using standard methods. Standard characterization ...
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(Sudan University of Science and Technology, 2014-06-11)In this thesis, we study Dynamical systems on manifolds, we present a new analogue of Euler-Lagrange and Hamilton equations on an almost Kahler model of a Finsler manifold. Also, we give some corollaries about the related ...
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(Sudan University of Science and Technology, 2014-06-01)This study is on the natural environmental radiation, which aims to find the concentrations of Natural Occurring Radioactive Materials (NORMs) in the soil of Malakal Town, using two different techniques (X- Ray Fluorescence ...
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(Sudan University of Science and Technology, 2014-08-10)We discussed some mathematical tools. We defined the topology of fiber bundles, geometry of characteristic classes, and its properties and computation in algebraic topology. The importance of characteristic classes and how ...
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(جامعة السودان للعلوم و التكنولوجيا, 2014-07-01)تناولت هذه الدراسة استخدام نماذج بوكس – جنكنز للتنبؤ في السلاسل الزمنية للمحاصيل الرئيسة في سوق محاصيل الأبيض، وتم التطبيق على بيانات القطاع الزراعي السوداني في سوق محاصيل الأبيض ممثلة في السلسلة الزمنية لإنتاج الصمغ العربي ...
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(جامعة السودان للعلوم والتكنولوجيا, 2014-05-11)تناول هذا البحث قياس الكفاءة الفنية (Technical Efficiency) والكفاءة الحجمية (Scale Efficiency) لكليات جامعة بغداد في العراق باستخدام اسلوب تحليل مغلف البيانات (Data Envelopment Analysis) وهو اسلوب خطي لا معلمي (Non ...
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(جامعة السودان للعلوم و التكنولوجيا, 2014-01-01)يعتبر الانحدار الخطي المتعدد من التقنيات الاحصائية الأكثر استخداما بين الباحثين في مختلف المجالات، وكثيرا ما يواجه الباحثين مشكلة التعدد الخطي Multicollinearity عند بناء نموذج الانحدار الخطي المتعدد، عند وجود علاقة ارتباط ...
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(Sudan University of Science and Technology, 2014-01-11)The aim of this study is to introduce tools from local bifurcation theory which will be necessary in the following sections for the study of neural field equations. In a first step, we deal with a basic manifold, elementary ...
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(جامعة السودان للعلوم و التكنولوجيا, 2014-08-01)تناول هذا البحث موضوع بناء نموذج كُفْءٍ للتَّنبُّؤ بالأرباح في المصارف السودانيَّة للفترة من 2008 م إلى عام 2012م لعددٍ من البنوك العاملة في السُّودان، وذلك عن طريق فحص النَّموذج وتدقيقه من جميع المشاكل التي تواجهه. مما ...
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(Sudan University of Science and Technology, 2014-10-20)In this study, M. peregrina seeds were investigated, for the first time, as a potential source for biofuel. The seeds were obtained from Wadi Alkasinger in the Northern State of Sudan. Physical characterization revealed ...
Now showing items 461-480 of 647
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