College of Science: Recent submissions

  • 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 ) ...
  • Interpretation of the Effect of Temperature on the Change of Spectra of Atmospheric Gases on the Basis of Modified Quantum Statistical Equations 
    Eisa, Rehab Ibrahim Hamad (Sudan University of Science and Technology, 2015-01-01)
    In this work attempts was made to relate temperature change to the change of spectra of some gases which are Bhutan( C 4 H 10 ) , Carbon dioxide (CO 2 ), Carbon Monoxide (CO), Oxygen (O 2 ), Nitrogen (N 2 ), Neon (Ne), ...
  • 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 ...
  • Lyapunov Inequalities for Bound States of Linear Hamiltonian Systems and Laplace Transform With Measure Preserving 
    Mohammed, Mohammed ELFatih Siddek ELKhider (Sudan University of Science and Technology, 2015-08-01)
    We study the Lyapunov inequalities for the time scales, for discrete linear Hamiltonian systems on the time scales. We show the strong instability and stability standing waves for nonlinear Klein – Gordon eqations ...
  • 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 ...
  • تأثير القيم الشاذة في معلمات نموذج تحليل الانحدار الخطي المتعدد 
    يوسف, عصام الدين يوسف عبد الله (جامعة السودان للعلوم والتكنولوجيا, 2015-06-10)
    تناولت الدراسة دراسة تأثير القيم الشاذة علي معلمات نموذج تحليل الانحدار الخطي المتعدد. وهدفت إلي عدة أهداف أهمها: دراسة تأثير وجود ومعالجة القيم الشاذة علي نتائج نموذج تحليل الانحدار الخطي المتعدد ، المقارنة بين طرق ومعايير ...
  • 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 ...
  • On Hilbert Transform of Hypersingular Equation and Caldron-Zygmund operators Applications 
    Adam, Rugia Mokhtar Ahmed (Sudan University of Science and TechnologyA, 2015-06-01)
    The information about the Hilbert transform is often scattered in books about signal processing. Their authors frequently use mathematical formulas without explaining them thoroughly to the reader. The purpose of this ...
  • Electrical Conductivity of Rabbit and Cow Bones 
    Osman, Safa Elhag Ahmed (Sudan University of Science and Technology, 2015-01-01)
    In this work the energy gap of rabbit and caw were obtained by using ultraviolet spectrometer, the energy gap for rabbit was found to be 4.22 ev while that of the caw is 5.3 ev. These band gaps mean that they are semi ...
  • Some aspects of the Higgs Boson in the Standard Model 
    Karm, Hassan Zakaria Hassan (Sudan University of Science and Technology, 2015-05-01)
    In this thesis was studied some aspect of the Higgs boson in the Standard Model of Particle Physics. Also was calculated the Higgs boson as function of its mass as well as the branching ratios from to was calculated ...
  • Use of X-Ray in Non Destructive Testing to determine gold karat 
    Aljaily, Maram Albagir (Sudan University of Science and Technology, 2015-04-01)
    The fire assay technique is the oldest and most reliable method used to determine gold karat, because of the destruction of gold into pieces and the long time which spent at analyzing; a well powerful for nondestructive ...
  • Imaginary Powers and General Variational Inequalities of Effective Construction of Positive Operators 
    Hamed, Ahmed Yahya Mahmoud (Sudan University of Science and Technology, 2015-06-01)
    We show Stečkin’s theorem, transference, spectral decompositions, operators and examples with bounded and unbounded imaginary powers. We discuss the powers, spectrum of class operators, and the operator equations with ...
  • New Derivation Of Josephson Superconducting Equation On The Basis Of New Schrödinger Equation 
    Abdalrahman, Rashida Ismat (Sudan University of Science and Technology, 2015-12-01)
    The physical properties of superconductors is not well understood . there is no unique satisfactory model that can explain all superconductors phenomena . there is a need to develop theoretical models that can lead to ...

Search SUST


Browse

My Account