Masters Dissertations : Science: Recent submissions

  • Synthesis and Antimicrobial activities of some octahydroxanthen-1,8-dione derivatives 
    Suliman, Raja Bashar (Sudan University of Science and Technology, 2003-08-01)
    Xanthenes are important group of compounds characterized by their certain biological activities. These compounds can be synthesized from the corresponding aldehydes. The carbonyl group in aldehydes is one of the versatile ...
  • Synthesis and biocyclization behavior of some derivatives of N- (1,2,3,4- tetrahydro-1- isoquinolyl methyl)- N- cyclo hexyl carbonyl glycine. 
    Mohammed, Amna Bint Wahab Elrashid (Sudan University of Science and Technology, 2003-10-01)
    Chapter one of this thesis presents a review about aliphatic nucleophilic substitution and the mechanisms attributed to aliphatic nucleophilic substitution like the SN1, SN2, SNi, neighbouring group. There is also a ...
  • On Essentially Commuting Toeplitz Operators 
    Gadal, Jwahir Hussien (Sudan University of Science and Technology, 2003-01-01)
    We present the characterization of subalgebras and Douglas subalgebras. We show the existence of one point maximal antisymmetric sets for H + C and subalgebras of L containing H. we completely characterize compact ...
  • ASSESSMENT OF GROUNDWATER QUALITY IN THE NILE EAST DISTRICT 
    Shwaap, Nadia Awad Ahmed Ali (Sudan University of Science and Technology, 2003-02-01)
    The purpose of this research is to assess the drinking water quality in the Nile East district including Aidbabiker, Alshigla, Altakamol, Albashir, Albarakat, Darelsalam, and Almaigoma. The study was carried out during ...
  • Estimation of Creatine Kinase Level in Patients with Hypothyroidism 
    Ezzeldin, Majda Mohamed Hassan (Sudan University of Science and Technology, 2003-01-01)
    This descriptive case control study of 60 subjects were conducted to Khartoum Atomic Energy Hospital Laboratory. Measurement of thyroid hormones and the enzyme creatine kinase were determined in (20) control subject which ...
  • CHARACTERISTICS AND WAVE NORMALS APPLIED TO ATMOSPHERIC PRESSURE WAVES GENERATED BY A MOVING HEAT SOURCE 
    Khabir, Mohammed Hassan Mohammed (Sudan University of Science and Technology, 2003-01-01)
    This dissertation discusses the method of characteristics and waves normals used in finding the solutions of hyperbolic partial differential equations. It is then applied to study the nature of atmospheric pressure. ...
  • Photothermal Stability of Metronidazole Benzoate 
    ElToum, Asim ElRasheed (Sudan University of Science and Technology, 2003-04-01)
    Drugs are essential for human life and are of prime importance to the safety of patients. In this work, the stability of Metronidazole benzoate, in the solid form, towards direct sun light and temperature was ...
  • PROVING FIXED POINT THEOREMS USING GENERAL PRINCIPLES 
    Tahir, Rania Abdel Rahman Hussien (Sudan University of Science and Technology, 2003-01-01)
    This dissertation consists of four chapters. In chapter one we present a brief introduction to fixed point theory and the most important result in the fixed point theory is the famous theorem of Brouwer which says that the ...
  • Fibre Optical Sensor For Measuring The Current 
    Abbas, Amal Mohemed (Sudan University of Science and Technology, 2003-08-01)
    The detection of current based on the change of polarization direction of the laser beam with in fiber looped by the current carring conductor has been studised theoretically and experimentally using a single mode fiber ...
  • Operators and strongly exposed points in the ball of Bergman space 
    Mohammed, Lubna Ahmed Hassan (Sudan University of Science and Technology, 2003-01-01)
    We describe the boundedness of linear operators from the weighted Bergman spaces ,under some conditions on the weight function ,into a general Banach space by means of the growth conditions at the boundary of certain ...
  • Generalized functions In infinite dimensional analysis 
    Barackat, Amany Barackat Mohammed (Sudan University of Science and Technology, 2003-01-01)
    We show a general approach to infinite dimensional non-Gaussian Analysis which generalizes the work to measures which possess more singular logarithmic derivatives . This frame work also includes the possibility to handle ...
  • Nets in Euclidean Space and Differentiability of Lipschitz Functions on Metric Measure Spaces 
    Abd Elgadir, Eman Mohammed (Sudan University of Science and Technology, 2003-01-01)
    We show a discussion of the following questions: for a given real –valued function (i) ( f ∈ ∞ Rn L ) there can not be bi-Lipschitz homeomorphism determinant, det Dφ f = φR : n →n R such that the ...
  • THEORY OF FREE STREAMLINES IN LIQUID FLOWS APPLIED TO CAVITATION PROBLEMS 
    Awad, Faiz Gad ELmola Adam (Sudan University of Science and Technology, 2003-01-01)
    We first give a survey of conformal mappings on the complex plane. Then a general study of cavitation is given. This is followed by a discussion of tree streamlines in various two dimensional examples of liquid flow ...
  • Large Bergman Spaces and The Berezin Transform on the Toeplitz Algebra 
    Mokhtar, Rehab Awad (Sudan University of Science and Technology, 2003-01-01)
    In wide class of weighted Bergman spaces , we construct inevitable non-cyclic elements ,these are then used to produce z- invariant sub spaces of index higher than one generated non trivial bilaterally invariant subspaces ...
  • ADVANCED PROPERTIES OF LEBESGUE – RIESZ AND BANACH SPACES WITH ALMOST TRANSITIVE NORM 
    Rabie, Mohammed Elamin Ahmed (Sudan University of Science and Technology, 2003-01-01)
    It is shown that Banach space of certain density contains an unconditional sequence of cardinality and a separable super reflexive Banach space admits a continuous surjection on each of its subspaces. We introduce a new ...
  • استخدام بعض طرق الكشف اللاإتلافي في الحديد 
    علي, ياسر محمد عثمان (جامعة السودان للعلوم والتكنولوجيا, 2004-06-01)
    في هذا البحث استخدمت طريقة التيارات الدوامية لكشف العيوب الشقية في عينات من الحديد ووجد أن حساسية الجهاز تتأثر بتردد التيار وعامل الرفع وسمك المادة وعمق العيب ، حيث وجد أن الحساسية تتناسب عكسياً مع تردد التيار وعامل الرفع ...
  • SCATTERING OF ELECTROMAGNETIC RADIATION BY DUST-STORMS PARTICLES 
    Mohammed, Abdallah Abdelrahman (Sudan University of Science and Technology, 2004-01-01)
    Scattering is a common and important phenomenon and needs to be taken into account in many applied sciences fields, from engineering to remote sensing. The amplitude matrix which linearly transforms the electric vector ...
  • Preparation, structure and photostability of some metal complexes of anthraquinone extracted from Sudanese Senna 
    Mashi, Mai Maki Mahmoud (Sudan University of Science and Technology, 2004-06-01)
    Anthraquinone was extracted as sennidine from diffirent five sample of sudanese senna pods . The solubility test for sennidine was carried out using different solvents . sennidine was highly soluble in diethyl ether ...
  • PC to PC optical fiber communication link 
    Ahmed, Abeer Mohammed Khairy (Sudan University of Science and Technology, 2004-03-01)
    The system that has been designed in this work is a typical computer to computer link (local area connection LAN) using an optical fiber and fast either net system. The connection between two pcs is well established by ...
  • Some Problems in Mathematical Finance 
    Ahmed, Tahani Hassan (Sudan University of Science and Technology, 2003-01-01)
    This thesis discusses some problems in mathematical finance driven by Brownian motion, which is the basis for a large part of the modern probability theory that has been mentioned in the first chapter and which plays a ...

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