College of Science: Recent submissions

  • The Use of Laser- induced Fluorescence for Studying the Effect of Leaf Reflectivity on Water Hyacinth Growth 
    El Khidder, Khaled Abd El Aziz (Sudan University of Science and Technology, 2006-11-01)
    Studies in the water hyacinth field revealed that, it causes crises in the national economy ( navigation, power generation, irrigation and fishering resource). This study aimed to develop a simple and cheap method for ...
  • Preparation, Vibration and Electronic Spectral Studies of Substituted 1,4-quinones 
    Elhassan, Haitham Ali Taha (Sudan University of Science and Technology, 2006-01-01)
    p-Quinones are a group of compounds which played a vital role in biological processes through their redox system in the respiratory cycles and blood. The chemistry of p-quinones including their preparation, reactions and ...
  • The effect of magnetic flux on the efficiency of the silicon cell using experimental and quantum mechanical approaches 
    Ahmed, Sawsan Ahmed Elhouri (Sudan University of Science and Technology, 2006-10-01)
    In this work a useful expression for current generated by light in semiconductors is obtained by utilizing quantum theory. It is found that this expression shows dependence of this current on electric susceptibility, ...
  • The Cosmological Constant Problem and Role of Neutrino Mass in Changing the Expansion Rate of the Universe 
    Magzoub, Omar Abd Elkafi (Sudan University of Science and Technology, 2006-01-01)
    In this thesis it's found that the universe expansion might be accelerating. In other words it is made to expand by a new strange kind of energy, and that the cosmological constant assumed by Elbert Einstein to represent ...
  • Detection of air pollution and temperature stress on cotton plant utilising laser induced fluorescence technique [LIF] 
    Ahmed, Mustafa Ahmed Ali (Sudan University of Science and Technology, 2006-10-01)
    In this thesis, laser induced fluorescence (LIF) technique, was tested for detecting changes in cotton plant due to environmental factors: temperature, time during the day hours and pollution stress. Fluorescence ...
  • USE OF X-RAYS IN NDT TEST IN SUDAN PIPELINES AND HOSPITALS : A COMPARTIVE STUDY 
    Mohamed, Mousa Abd El Shafi Esmael (Sudan University of Science and Technology, 2006-09-01)
    In this thesis, the basic methods of Non-Destructive Testing (NDT) were discussed. In this study, the X-ray machines used in the oil pipeline were compared to that used in medical filed. From the comparison, ...
  • Energy Loss of Heavy Ions at High Velocity 
    Tom, Abd-Alla Elrasheed Mohamed (Sudan University of Science and Technology, 2006-08-01)
    The energy loss had been studied in the situation of heavy ions at high velocity. The first chapter discusses the heavy ions, ion channeling, stopping powers high velocity and fluctuation. The second chapter had been about ...
  • Investigation of the Flavonoid of Some Medicinal Plants 
    Unknown author (Sudan University of Science and Technology, 2006-06-01)
    In this study phenolic compounds were extracted from Acacia nilotica var nilotica , Acacia nilotica var astringens (Known locally as sunat) and Hyphaere thebaica (Known as dome) using ethanol. The phenolic compounds ...
  • Synthesis of some PYRAZOLDIONE, BARBITURATES and thiobarbiturate derivatives 
    Belal, Muneir Hamed Essa (Sudan University of Science and Technology, 2006-07-01)
    The pyrazoles and barbiturates are heterocyclic compounds containing two atoms of nitrogen. These compounds were reported to possess various biological activities such as anticancer, antimicrobial, antifungal, antipyretic, ...
  • STOCHASTIC AND DYNAMIC PROGRAMMING MODELS FOR WATER RESERVOIRS WITH APPLICATION ON RUSIERIS DAM 
    OSMAN, ELRAYAH MOHAMMED ISHAG (Sudan University of Science and Technology, 2006-02-01)
    Water storage is carried out in wide basins constructed along the river course or on rain or floods accumulating points. The main purpose is to store accumulated water resources for later utilization. Hydroelectric power ...
  • Modification of Clebsch- Gordan Coefficients For Heavy Elements 
    Eltambory, Asma Abdallahi Mohammed (Sudan University of Science and Technology, 2006-10-01)
    In this work, a semi classical expression for the energy shift is obtained. The ground state, Clebsch- Gordan coefficients, angular momentum, matrix elements and the energy shift of some elements like Ag+, Lu3+, Gd3+ and ...
  • Investigation of Flavonoids of Mimosia pigra and Ipomoea equita 
    Al-Haj, Seif Aldwla Awad Ibrahim (Sudan University of Science and Technology, 2006-03-01)
    Phytochemical screeing of the alcoholic extract of the leaves of Mimosa pigra indicated the presence of flavonoids, alkaloids and steroids. The flavonoids of Mimosa pigra were investigated and the product obtained from the ...
  • RECYCLING OF USED LUBRICATING OILS 
    ABDALLA, ISHRAGA ELTOOM (Sudan University of Science and Technology, 2006-06-01)
    The main purpose of lubricants is to lubricate moving parts of the engine to reduce friction and wear, the engine depend greatly on the condition of lubricant oils. Because of this it is necessary to study ...
  • Applications of Lie Group 
    El- Haj, Mamoon Omer Kabashi (Sudan University of Science and Technology, 2006-01-01)
    We study and discuss some topics on Lie groups and their applications. In chapter one we start with a short summary on differentiate manifold and Lie groups. In chapter two we discus and show the wide structure of the ...
  • The Problem Of Fertility Decline In Sudan With Kassala State As Case Study 
    Sulaiman, Mohamed Ahmed Mohamed (Sudan University of Science and Technology, 2005-12-01)
    This study concern fertility levels and trends in Sudan. During the last three decades fertility has been declining substantially in all the developing countries. Sudan, as one of these countries has witness a rapid decline ...
  • التحصيل الاكاديمى وتقدير دالة القبول بجامعة السودان للعلوم و التكنولوجيا للفترة 1982---2006م 
    ماوت, فنيار ماوت مبنج (جامعة السودان للعلوم والتكنولوجيا, 2007-09-01)
    تناول هذا البحث دراسة حالات القبول والتحصيل الاكاديمى للطلاب بجامعة السودان للعلوم والتكنولوجيا فى الفترة من 1982 و حتى 2006 و التى يبلغ عدد المقبولين 65767 فيها طالب وطالبة , حيث تمثلت متغيرات الدراسة فى عدد الطلاب المقبولين ...
  • Impact of Entrance Skin Dose and Effective Dose in Simulator During the Planning of Radiotherapy 
    Ismail, Hamed Abdallah (Sudan University of Science and Technology, 2007-02-01)
    This study calculated the entrance skin dose (ESD) and effective dose (ED) in simulator during the planning of radiotherapy in three organs, head, chest, and pelvis. the simulator is an instrument that simulate all the ...
  • Losses of Sugar during Cane Sugar Processing 
    Ahmed, Mai Hassan Mohammed (Sudan University of Science and Technology, 2007-01-01)
    Sugar industry is considered as a backbone of Sudanese economy. The climate of Sudan is suitable for cultivation of different types of sugar cane. Five sugar factories have been established in the Sudan enjoying favorable ...
  • قياس مؤشرات الصحة فى السودان للعام 2005 م 
    الطيب, إيمان محمد البشير الشيخ (جامعة السودان للعلوم والتكنولوجيا, 2007-01-01)
    تهدف هذه الدراسة الي قياس مؤشرات الصحة في السودان ، وقد قامت الدراسة بجمع البيانات من مصادر مختلفة مثل وزارة الصحة الاتحادية ومن الإدارات التابعة لها ، وأيضا من الجهاز المركزي للإحصاء ، وبعد جمع البيانات قام الباحث بحساب ...
  • إستخدام الدالة التمييزية في تمييز الإصابة بمشكلات في القدمين لدى مرضى السكري 
    Unknown author (جامعة السودان للعلوم والتكنولوجيا, 2007-08-01)
    في هذه الدراسة تم إستخدام الدالة التمييزية للتوصل إلى نموذج رياضي يمكن من تصنيف المريض المصاب بالسكري بكونه مصاباً بمشكلات في القدمين أم لا ذلك اعتمادا على عدة متغيرات ( العمر – مدة الإصابة-مستوى الجلكوز في الدم-الوزن-ضغط ...

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