Masters Dissertations : Science: Recent submissions

  • Effect of Engine oil (CF50) on Water Separability of Industrial oil (Gear 320) and Hydraulic oil (Ep150) 
    Mohamed, Alamaldeen Abdallah Ali; Supervisor, Elfatih Ahmed Hassan (Sudan University of Science and Technology, 2016-07-10)
    This study was designed to quantify the effect of engine oil on water separability of Industrial oil (Gear 320) and Hydraulic oil (EP 150). An engine oil (CF50) was added as a contaminant for the two blends samples. Water ...
  • Synthesis, Characterization and Biological Activity of Salicylaldehyde-Thiosemicarbazone and Its Metal Complexes 
    Suliman, Rabei Mubarak Mohammed; Supervisor, Mohamed Sulieman Ali Altoum (Sudan University of Science and Technology, 2016-05-10)
    The Cr (III), Co (II), Ni (II) and Cu (II) complexes of the ligand salicylaldehyde thiosemicarbazone (STSC) were prepared and different analytical techniques such as Atomic Absorption Spectroscopy (AAS), Ultra Violet ...
  • Effect of Alkalis on Cementic Properties of some Sudanese Cements 
    Mohemmed, Mona Abd Elhameed Ibn Idris; Supervisor, Elmugdad Ahmed Ali (Sudan University of Science and Technology, 2016-03-10)
    Portland cement consists mainly of major oxides which include: CaO ,SiO 2 , Al 2 O 3 and Fe 2 O 3 as well as minor oxides which include : SO 3 , TiO 2 , Mn 2 O 3 , MgO, Na 2 O and K 2 O. Minor oxides usually not to be ...
  • Determination of Nicotine Concentration in Tobacco Used for Tombak Making 
    Mustafa, Salma Osman Mohammed Ahmed; Supervisor, Almogdad Ahmed Ali (Sudan University of Science and Technology, 2016-05-10)
    Tobacco (nicotinarustica ) contains a chemical called nicotine. Which is an addictive substance. This study was conducted to determine the percentage of nicotine in a sample of tobacco (nicotinarustica), where the sample ...
  • Asymptotic Analysis with Deferential Inverse and Variational inequality with Gap function 
    Osman, Ola SedAhmed; Supervisor, Shawgy Hussein Abd Alla (Sudan University of Science and Technology, 2016-02-10)
    We present aunified approach for studying vector variational inequality problems in finite dimensional spaces .We introduce aclass of week normal mapping by virtue of the vector – valued indicator function . Anew ...
  • Discontinuous Dynamical Systems and Stabilization 
    Hamed, Zynab Yahia Segiroon; Supervisor, Emad Eldeen Abdallh Abdel Rahim (Sudan University of Science and Technology, 2016-03-10)
    In this research we consider discontinuous dynamical systems. We discuss the uniqueness of solutions and the stability analysis. We also report a number of sufficient conditions for uniqueness. We also present specific ...
  • Air fractionation and physicochemical properties of the fractions from Acacia polyacantha gum 
    Ahmed, Mamdoh Essam Hassan; Supervisor, Mohammed Elmobark Osman (Sudan University of Science and Technology, 2016-05-10)
    In this study, Acacia polycantha gum solution (12.7%) was fractionated by a foaming method using aerating pump into two fractions .The first is the hydrophobic fraction(HO) which is high protein fraction and the second is ...
  • Improving Soba Solar Contact Cover for fixed PV Modules by Using Acrylic sheets 
    Ahmed, Mohammed Hamdan Hussian; Supervisor, Magdi Elfadil Yousif Suliman (Sudan University of Science and Technology, 2016-01-10)
    In this research specifications of acrylic plate had been examined to evaluate its reliability to be used as alternative for the glass cover in the SobaSolar fixed PV modules. The maximum power of a fixed PV module ...
  • Applications of Spectral Relaxation Method on Nonlinear Ordinary Differential Equations Governing some types of fluid flow 
    Elmnsour, Limia Elmnsour Omer; Supervisor, Mohamed Hassan Mohamed Khabir (Sudan University of Science and Technology, 2016-03-10)
    In this thesis we solve systems of nonlinear ordinary differential equations by applying the spectral relaxation method (SRM).The SRM is an efficient numerical method that gives accurate results. First we give a historical ...
  • دور الأشعة الكونية في إنتاج الجسيمات الأولية 
    عبد الله, مدثر عباس الخزين; مشرف, احمد الحسن الفكى (جامعة السودان للعلوم والتكنولوجيا, 2016-03-10)
    هدفت الدراسة لتقديم معلومات كافية عن الأشعة الكونية وتفاعلاتها مع الغلاف الجوي وتأثيراتها على الكائنات الحية وعلى مناخ الارض، ودور هذه الاشعة في اكتشاف الجسيمات الاولية من خلال عمليات التأين والتصادم مع انوية الذرات والمواد ...
  • Extraction and Characterization of Capsaicin from Capsicum frutescens and Capsicum annuum 
    Abdelmajid, Asmaa Elrasheed Eltigani; Supervisor, Omer Adam Mohamed Gibla (Sudan University of Science and Technology, 2016-03-10)
    The aim of this study was to determine the characteristics of capsaicin extracted from pepper fruit samples (fresh green hot ,dried green hot ,dry red hot and dried sweet ). The extraction of capsaicin was performed ...
  • Perfect Measurable and Interpolation Theorems for Variable Exponent Lebesgue Spaces with Relatively Compact Sets 
    Shapo, Kawther Abdelgadir Mohammed; Supervisor, Shawgy Hussien Abdalla (Sudan University of Science and Technology, 2016-01-10)
    We give a general treatment of the union problem for not necessarily perfect or weakly perfect ,measurable spaces. We introduce variable exponent Lebesgue spaces on metric measure spaces and consider a central tool in ...
  • Some Applications of Forms and Vector Calculus 
    Rahamtalla, Mountasir Gameilalla Hassaballa; Supervisor, Emad Aldeen Abdalla Abdel Rahim (Sudan University of Science and Technology, 2016-03-10)
    In this research we study the abstract vector spaces, we apply the language of forms to electromagnetism in a subsequent volume .We Also discuss the generalization of the fundamental theorem of calculus to higher dimension. ...
  • تقدير دالة الإدخار فى السودان بإستخدام المتغيرات المتباطئة للفترة من 1980 – 2013م 
    يونس, جهاد عبد الباقى دفع الله; مشرف, علم الدين عبدالله بانقا (جامعة السودان للعلوم والتكنولوجيا, 2016-03-10)
    يتناول البحث تقدير دالة الادخار في السودان باستخدام المتغيرات المتباطئة خلال الفترة (2013-1980م) ، و يهدف هذا البحث إلى بيان أثر المتغيرات المتباطئة على دالة الإدخار في السودان ، ويعاني السودان من إنخفاض الإدخار القومي ، ...
  • Effect of Dumping Waste Sludge from Mogran Water Treatment Plant (MWTP) on Residual Aluminum in Water and Soil in Blue Nile 
    Abuelgasim, Zakieldin Mohamed Abduelmajeed; Supervisor, Mutasim Maknoon Hassan (Sudan University of Science and Technology, 2016-03-10)
    This study aims to determine the residual aluminum in water and soil resulting from dumping the waste and sludge disposal from MWTP to the Blue Nile. This plant uses Poly Aluminum Chloride(PAC) as a coagulant in water ...
  • مستقبل الطاقة الشمسية وإمكانية إستخدامها كمصدر طاقة بديلة في السودان 
    الحسين, إيمان بابكر; مشرف, - احمد الحسن الفكي (جامعة السودان اللعلوم والتكنولوجيا, 2015-11-05)
    تشكل الطاقة الشمسية مشكلة إقتصادية وإستراتيجية لجميع دول العالم ،إلا أن هذه المشكلة تشكل بعداً أكثر جدية عند الدول النامية وذلك لإعتمادها الكلي علي الطاقة المستوردة .إضافة الي أن الطاقة المستمدة من المصادر الأحفوية او ...
  • On the Solution of the Spectral Quasi-linearization Method of Selected Problems in Fluid Mechanics 
    Elsmani, Khalda Eltayeb Mohammed Elkhair; Supervisor, Mohamed Hassan Mohammed Khabir (Sudan University of Sciences and Technology, 2016-03-16)
    In this thesis, we study the application of the spectral quasi-linearization method (SQLM) to different types of highly nonlinear ordinary differential equations which governed some fluid flow. Approximate numerical ...
  • Determination of conventional sugars in some Sudanese honey samples 
    Elrufaie, Manhal Abubaker Ahmed; Supervisor, - Elmugdad Ahmed Ali (Sudan University of Sciences and Technology, 2014-11-08)
    The aim of this research was to determine the percentage of conventional sugars (glucose, fructose, sucrose and maltose) in three honey samples collected from South Sudan, Al Fashir and Al Gadarif. The values of refractive ...
  • Study of the Efficiency of polymer Solar Cells Fabricated from some Dyes 
    Abdalkreem, Marwa Ismael Murtada; Supervisor -, Rawia Abdelgani Elobaid Mohammed (Sudan University of Science and Technology, 2015-08-10)
    Silicon solar cells (SSC) are based on the physical principles described by Planck’s Law. This law states that the energy of a single photon is equal to hυ, where (h) is Planck’s constant and υ is the frequency of the ...
  • Synthesis of some Mannich base derivatives 
    Ali, Rania Ayoub Jami Mohamed; Supervisor -, Ahmed Elsadig Mohammed Saeed (Sudan University of Science and Technology, 2015-09-10)
    Some of β-amino keto compounds were synthesized by Mannich base reaction in order to apply this reaction on different amines, ketones with benzaldehyde. These reactions were performed by three component condensation and ...

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