Masters Dissertations : Science: Recent submissions

  • المخاطر الاشعاعية وكيفية التحوط منها 
    دفع الله, فاطمة عوض العليم النعمه (جامعة السودان للعلوم والتكنولوجيا, 2015-05-01)
    فى هذا البحث ألقىء الضوء على النشاط الإشعاعى بصورة عامة وقد شمل تحلل ألفا وبيتا وقاما، كما تم التعرف على كمية الجرعة الإشعاعية التى يمكن أن يتعرض لها الإنسان دون مخاطر تذكر ، كما تناول البحث كيفية الوقاية من الإشعاع فى ...
  • Extraction and utilization of Acacia seeds oil in Biodiesel preparation 
    Abd Alseed, Mai Ahmed Hamed (Sudan University of Science and Technology, 2015-09-10)
    This study was conducted on seeds of Acacia Senegal var Senegal (family leguminosae) which were collected from Elobayed in Kordufan state Sudan during the season 2014. Solvent extraction technique was utilized to extract ...
  • Removal Efficiency of some Toxic Heavy Metals from Water by Adsorption by Using Graphite Activated Carbon (GAC) 
    Ahmed, Zeinab Mohamed Mohamed (Sudan University of Science and Technology, 2015-08-10)
    Heavy metals are known to be toxic for living organisms even if they are present at low levels. The presence of heavy metals, organic dyes and microbial pollutants in water continue to be a major concern and the removal ...
  • The Optical conductivity in superconductor materials 
    Ibrahim, Moslim Bulla Mohammed Ahamed (Sudan University of Science and Technology, 2015-08-03)
    In this research Maxwell's equations and quantum equations beside the expression of momentum quantum operator ware utilize find current density for superconductors and thenobtains optical conductivity in superconductors .
  • Mechanism of d-plane in Cuprate Superconductivity 
    Omer, Nsreen Elhori Elhabeb (Sudan University of Science and Technology, 2015-08-10)
    The basic structure of cuprates consists of 𝐶𝑢𝑂2 layers. These cooper oxide materials are responding to physics of superconductivity. The 𝑑𝑥2−𝑦 2 orbital state of the 𝐶𝑢2+ ions, suggest that electron-electron ...
  • تقدير وتحديد العوامل المؤثرة علي أداءالبنوك السودانيه باستخدام اسلوب التحليل العاملي 
    حسن, سهيرمبشر (جامعة السودان للعلوم والتكنولوجيا, 2015-09-01)
    هذا البحث عباره عن دراسه حاله لبنك ام درمان الوطني لتقدير وتحديد العوامل المؤثره علي اداء البنوك السودانيه وذلك باستخدام التحليل العامليتتلحص مشكلة البحث في يعتبر بنك امدرمان الوطني من البنوك الرائدة في العمل المصرفي في ...
  • B-splines Bases Functions for the Finite Element Approximations 
    Mohammed, Mobarek Altoam Amasaib (Sudan University of Science and Technology, 2015-07-10)
    In this thesis we discuss the necessary background material for the description of spline-based finite element methods. We explain the basic finite element idea by constructing the classical Ritz-Galerkin scheme for Poisson’s ...
  • Work Functions Effects of Some Metals on Semiconductors to Enhance the Efficiency of Semiconductors by Using Metal-Semiconductor Contacts 
    Mohammed, Osman Abdalla Abaker (Sudan University of Science and Technology, 2015-08-01)
    In this work the effect of some high work functions of metals on semiconductors have been investigated by using metal-semiconductor contacts technology. To enhancements the efficiency of the semiconductor. In generally, ...
  • Variational Formulations for Linear Boundary-Value Problems 
    Ahmed, Abeer Motwakkil Attom (Sudan University of Science and Technology, 2015-06-01)
    n this thesis , we construct a variational formulation to a two- dimensional Laplace- Dirichlet problem, by transforming the continuous problem ( CP ) into an integral formulation known as a variational problem ( VP ) in ...
  • العوامل المؤثرة فى دقة قياسات الاشعة النووية بمعامل الفيزياء النووية بولاية الخرطوم 
    محمد, هديل فرح التوم (جامعة السودان للعلوم والتكنولوجيا, 2015-08-01)
    خصص هذا البحث في دراسة العوامل المؤثرة علي دقة قياسات الأشعة النووية بمعامل الفيزياء النووية بولاية الخرطوم ، وتم إجراء ثلاثة تجارب علي ثلاثة انواع من اجهزة الكواشف الأشعاعية (عداد غايغر – غرفة التأين – الأشعة السينية ) ...
  • Physiochemical investigation of the Flavonoids of Orange peels 
    Abd Elmajid, Fatma Kamal Eldeen (Sudan University of Science and Technology, 2015-02-01)
    Phytochemical screening of the alcoholic extraction of the orange peels indicate the presence of flavonoids, alkaloids and glycosides.it was decided to investigate the flavonoids of this herb due to their medicinal value ...
  • The Structure theory of Second Order Scalar Partial Differential Equation 
    Mohammed, Rimaz Abdalmaboud (Sudan University of Science and Technology, 2015-01-01)
    The construction of the structure theory of second order scalar differential equations in the plane is considered. Because of this we introduce the two main classes of partial differential equations which are the subject ...
  • A Comparative Study of Physicochemical Properties of Moringa, Sesame and Peanut Oils 
    Mahboub, Mohamed Hassan Elzaki (Sudan University of Science and Technology, 2015-06-01)
    The purpose of this study was to determine the oil yield and physiochemical properties of Moringa oleifera, sesame and peanut seeds samples extracted by n-hexane. The properties were compared to show the possibility of ...
  • The Effect of Usage on the physicochemical Properties of Lubricant Oils 
    Gaffar, Fatima Moawia Fathi (Sudan University of Science and Technology, 2015-08-01)
    Study has chemical and physical properties of a sample of use multi-grade engine oils for gasoline engines at different distances 0, 3000, 4000, 5000 km. The results showed a decrease in the total base number, and chemical ...
  • Chromatographic Isolation and Characterization of beeswax hydrocarbons 
    Abdalh, Shahnaz Omer Albaloa (Sudan University of Science and Technology, 2015-03-10)
    The objectives of this research were to isolate and characterize beeswax hydrocarbons. The physicochemical parameters of the bleached beeswax have shown that the sample contains ester constituents and unsaturated compounds. ...
  • Physiochemical and Thermodynamic Study of Anogeissus Leiocarpus Gum‫‬ 
    MOHAMMED, ALAA MOHAMMED IBRAHIUM (Sudan University of Science and Technology, 2015-01-01)
    Physiochemical and thermodynamic properties of a composite sample of Anogeissus Leiocapus gum were studied using standerd methods. The average values of a diferent Characterization methods were determined to obtain ...
  • Synthesis of some β- amino acetophenone derivatives 
    Ahmed, Hadeel Hassan Osman (Sudan University of Science and Technology, 2015-03-01)
    The introductory chapter of this thesis outlines multicomponent reactions and describes in detail the chemistry of the Mannich reaction. The final section of the introduction deals with chemical informatics Ten compounds ...
  • أثر المتغيرات المساعدة وحجم العينة علي تقديرات المعاينات الاحتمالية 
    سبيل, آدم عبدالله عثمان (جامعة السودان للعلوم والتكنولوجيا, 2015-06-10)
    تناولت هذه الدراسة أثر المتغيرات المساعدة في زيادة دقة تقديرات المعاينات الاحتمالية العشوائية البسيطة ، البسيطة المزدوجة و الطبقية ، وذلك من خلال التقدير بالنسبة بين المتغيرين والتقدير بخط الانحدار من حيث الشروط الواجب ...
  • Finite Element Approximations for One and Two Dimensional Boundary-ValueProblems 
    Ali, AsmaBabekirMohamed (Sudan University of Science and Technology, 2015-06-10)
    The finite element method is a technique for systematic- ally applying Galerkin's method to the approximate solution of boundary-value problems. In this thesis we construct a variati- onal formulation of one-dimensional ...
  • إيجاد فجوة الطاقة لبعض أنواع اشباه الموصلات 
    احمد, حمد احمد حمد (جامعة السودان للعلوم و التكنولوجيا, 2015-05-01)
    قياس فجوة الطاقة لاشباه الموصلات باجهزة معقده ومكلفه, مما يستدعي البحث عن تقنيه بسيطه للقيام بهذه المهمه . في هذا البحث تم حساب فجوة الطاقة بطريقة كهربية بسيطة ووجد ان فجوة الطاقة هي 0.7 الكترون فولت بالنسبة لثنائي السليكون ...

Search SUST


Browse

My Account