College of Science: Recent submissions

  • Mass and Charge Generation Mechanisms Within Framework of Generalized Lagrangian and Generalized Special Relativity 
    Abdelgadir, Hassaballa Mohamed; Supervisor, Mubark Dirar Abd-Allah (Sudan University of Science and Technology, 2016-08-10)
    Mass and charge generation mechanisms are one of the challenging problems in field theories. The mass generation cannot be a achieved by Higgs mechanisms, according to generalized special relativity, as far as masses depend ...
  • Determination of Heavy Metals and Hydroquinone Contents in Cosmetic Products Sold in Sudan 
    Mustafa, Abdalla Mohammed Abdalla; Supervisor, Mohamed El Mukhtar Abd El Aziz (Sudan University of Science and Technology, 2016-08-10)
    Nowadays, the use of facial makeup among most Sudanese ladies becomes very popular without being aware about the potential dangers that can threaten their health while using these cosmetics. Several facial cosmetics ...
  • Corrosion of Aluminum and Iron in Different Aqueous Media 
    Mohamed, Omnia Salah; Supervisor, Mohammed Sulieman Ali (Sudan University of Science and Technology, 2016-05-10)
    In this research the corrosion behavior of some metals in different acid solutions using weightloss technique were studied. The magnitude of corrosion of these metals in (0.4, 0.6, 0.8, 1 M) solutions of NaCl, HCl, H2SO4, ...
  • التحليل العاملي لأسس التنمية بولاية جنوب كردفان بإستخدام طريقة المكونات الرئيسة 
    عمر, سوسن إسماعيل; مشرف, صديق أحمد محمد شاهين (جامعة السودان للعلوم والتكنولوجيا, 2016-09-10)
    تناولت هذه الدراسة نموذج تحليلي لواقع التنمية بولاية جنوب كردفان -محلية الدلنج ،حيث هدفت إلي معرفة العوامل التي تحقق التنمية وللوصول إلي معلومات وحقائق عنها، لذا فقد تم جمع البيانات الإحصائية الخاصة بمجتمع الدراسة بواسطة ...
  • Synthesis and Characterization of Polyethylene /Silica Nano Composite 
    Abd Alrahman, Mugal Ibrahim Mohammed; Supervisor, Mohammed Sulieman Ali Eltoum (Sudan University of Science and Technology, 2016-05-10)
    Polyethylene/silica Nano composite was synthesized in different concentrations (2%, 3%, 4%, 10%, 20%, 30%, 40%, and 50%) The samples were subjected to physical evaluation; the result showed that the amount of silica is ...
  • تأثير تغير شدة الإشعاع ودرجة الحرارة على أداء الخلية الشمسية 
    محمد, عبدالله محمد علي; مشرف, مبارك درار عبدالله (جامعة السودان للعلوم والتكنولوجيا, 2016-07-10)
    في هذا البحث تم دراسة أداء الخلية الشمسية وتأثير شدة الإشعاع ودرجة الحرارة عليها وذلك بإجراء تجربتين التجربة الأولى تم حساب كفاءة الخلية الشمسية عند قيم مختلفة للإشعاع الشمسي ووجد أن الزيادة في شدة الإشعاع تقابلها زيادة ...
  • Corrosion of Copper and a copper alloy in different aqueous media 
    Elwaly, Egbal Mohammed Osman; Supervisor, Mohammed Sulieman Ali Eltoum (Sudan University of Science and Technology, 2016-05-10)
    In this research, the corrosion behavior of the copper and copper alloy in different conditions and environment were studied. The corrosion behaviour and mechanism for copper and copper alloy in( HNO3, H2SO4,HCl, ...
  • Spectral Quasi linearistion method for solving Nonlinear odes Governing some types of fluid flow 
    Mustafa, Mohamed Mustafa AL haj Alamin; Supervisor, Abdallah Habila Ali Kaitan (Sudan University of Science and Technology, 2016-03-10)
    In this thesis we study the spectral quasi-linearisation method (SQLM) and its applications on di erent types of nonlinear systems of ordinary di erential equations. In chapter1 and chapter2 we present a literature review ...
  • A Study on the Variation of Radiation Intensity of Telecommunication Tower Horizontal and Vertical Dimensions 
    Idris, Fathalla Mohamed Ahmed; Supervisor, Mubarak Dirar Abd-Alla (Sudan University of Science and Technology, 2016-03-10)
    Electromagnetic radiation is a form of energy emitted and absorbed by charged particles; electromagnetic radiation is characterized by its biological effects on human cells. Mobile phone towers which emit electromagnetic ...
  • On The Geometrical Approach to The Problem of Integrability of Hamiltonian Systems 
    Bashier, Mnahil Mohammed; Supervisor, Mohammed Ali Bashir (Sudan University of Science and Technology, 2016-06-10)
    In this research we treat the problem of integrability of Hamiltonian systems . There have been several methods for treating this problem depending on different situations. These methods include the first integral method ...
  • Differential forms & deRham Groups with some applications 
    Abdalgadir, El fatih Ahmed; Supervisor, Imad Eddin Abdalla Abdelraheem (Sudan University of Science and Technology, 2016-05-10)
    Throughout this research we have dealt with submanifolds of Euclidean space and with forms defined in open subsets of Euclidean space. This approach has the advantage of conceptual simplicity ,one tends to be more comfortable ...
  • Application of Novel Method of A Blend of Acacia nilotica Pods Powder and Neem Bark in Full Vegetable and Semi_chrome Tannage 
    MOHAMMAD, ALIM ABD ELGADIR HAJ ALI; Supervisor, Gurashi Abd Alla Gasm Elseed; Co. Supervisor, Adil Alhag Ahmed (Sudan University of Science and Technology, 2016-08-10)
    Vegetable tannage is an eco-friendly method compared with environmental polluting chromium based method of tanning that is commonly used in commercial tanning and which prevents the collagen fibrous protein in animal skins ...
  • Study of Charge Transition Levels of Intrinsic Defect, Band Gab, and Formation Energy in Barium Fluoride and Calcium Fluoride 
    Ibraheem, Abdelaziz Mohammed; Supervisor, Mohamed Hassan Eisa Salim; Co. Supervisor, Ahmed Elhassan Elfaki (Sudan University of Science and Technology, 2016-08-10)
    This Thesis study semi local and hybrid density functional analysis of charge transition levels of native defects in BaF2 and CaF2 structures. The transition levels was calculated from the formation energies corresponding ...
  • Assessment of Common Heavy Metal Pollution in Topsoils Along Major Roadside Areas due to Traffic Activity in Khartoum State -Sudan 
    Magpool, Munzir Omer Mohammed; Supervisor, Elfatih Ahmed Hassan (Sudan University of Science and Technology, 2016-06-10)
    This study was carried out to investigate the accumulative levels of Pb, Cr, Cd, Ni and Cu in roadside topsoil of three major streets in Khartoum State and the relation between the concentration of these metals and soil ...
  • Boundedness of the Commutators on Triebel-Lizorkin Spaces and the Characterizations of Hajlasz – Sobolev Spaces 
    Comtour, Musa Mohammed Dafallah; Supervisor, Shawgy Hussein Abd Alla (Sudan University of Science and Technology, 2016-03-10)
    We show the multilinear singular integral operators on Triebel- Lizorkin and Lebesgue spaces and on Function spaces. We characterize the new bases and variable with applications of Triebel-Lizorkin and Besov spaces. We ...
  • Change of Blood Pressure Due to Volume Changes 
    Adam, Ekhlas Ibrahim; Supervisor, Mubarak Dirar Abdalla (Sudan University of Science and Technology, 2016-02-10)
    In this work dextrose normal saline (DNS) infusion (500ml) with 8.3ml/sec was add to blood, it was found that the blood pressure decreases when increasing the infusion amount. This may be due to the fact that increasing ...
  • Study of Some Optical Properties of Gypsum and Graphite Powder 
    Mater, Eltahir Khatir Sam; Supervisor, Amel Abdallah Ahmed (Sudan University of Science and Technology, 2016-08-10)
    In this work the required instruments had set up and required material had prepared. In the first, powder of material gypsum and graphite was taken as grams and projecting light form a distance and change the grams with ...
  • دراسة مقارنة بين الشبكات العصبية الإصطناعية ومنهجية بوكس – جنكز في التنبؤ بإستهلاك الطاقة الكهربية – ولاية الخرطوم 
    مسمار, أمير حسين حمد; مشرف, صديق محمد احمد شاهين (جامعة السودان للعلوم والتكنولوجيا, 2016-08-10)
    نجد ان التنبؤ باستهلاك الطاقة الكهربية ضروري حتى نتمكن من استغلال الموارد المتاحة بأفضل الطرق الممكنة . ولصياغة النموذج اتبعنا تقنية الشبكات العصبية الاصطناعية كمنهجية جديدة للتنبؤ ومقارنتها مع منهجية بوكس –جنكنز في ...
  • تحسين كفاءة خلايا السيلكون الشمسية 
    الطاهر, تهاني غازي يعقوب; مشرف, أحمد الحسن الفكي (جامعة السودان للعلوم والتكنولوجيا, 2015-09-10)
    في هذا البحث تمت دراسة الاثر الكهروضوئي ووجد ان بلورة السليكون النقية لا توصل التيار الكهربي بكفاءة عالية ولذلك اضيفت شوائب لذرات السليكون وكون شبه الموصل من النوع n-type وشبه الموصل p-typeوكونت الوصلة الثنائية والتي تشكل ...
  • Electro-deposition of Copper from Sulfate Bath 
    Akuya, Khalifa Barlaman Alshaikh; Supervisor, Mohammed Sulieman Ali (Sudan University of Science and Technology, 2016-03-10)
    This work reports the effects of different parameters on the thickness of the deposited copper, on the steel cathode using Faradays first law of electroplating and the crystalline state of the deposited copper using X-ray ...

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