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The wave equation on metric graphs global well- posedenss with scattering for nonlinear wave equation

Ali, Mohamed Alameen Mohamed (Sudan University of Science and Technology, 2013-12-01)

We consider the generalized Korteweg-de Vries equation with a new linear estimate. We provide a close of self-adjoint Laplace operators on emteric graphs that the solutions of the associated wave equation satisfy the ...

Multipliers for Dirac operators and Riesz basis of Schrodinger operators with boundary value problems for first order systems

Barkat, Anwar Musa Khogli (Sudan University of Science and Technology, 2013-01-01)

Wide information about the spectra of Hill operators with potentials of the Ricatti form have been given by the links that consider between the spectra of Dirac and Hill operators . We show the Riesz and Schauder basis ...

Investigation of the Major Flavonoid of Mitracarpus hirtus

Salih, Rasha Abd Alazeem Mohammed (Sudan University of Science and Technology, 2013-04-01)

Phytochemical screening of the alcoholic extract of the Mitracarpus hirtus indicated the presence of flavonoids, alkaloids and glycosides. Steroids were not detected. It was decided to investigate the flavonoids of this ...

Stability Study of Doxycycline Hyclate and Validation of its UV. Spectrophotometeric Quantification Method

Osman, Moawia Babikir Ahmed (Sudan University of Science and Technology, 2013-07-01)

Stability assessment of samples of doxycyline hyclate ( raw material / finished products) was carried out through stability testing protocols , which define clearly temperature, humidity , storage time , and suitable ...

Cubic Spline Interpolant for Approximating Solutions of Linear Differential Equations

Abdalla, Raja Elnour Ali (Sudan University of Science and Technology, 2012-01-01)

We have studied in this thesis a class of numerical methods for interpolating and solving linear differential equations. The method based on the temporal semi-discretization by implicit Euler finite difference method and ...

Theoretical & Experimental Results of Higgs Boson and the effect of Einstein Generalized Lagrangian on it

Abeid Allah, Zooalnoon Ahmed (Sudan University of Science and Technology, 2013-05-01)

In this thesis the standard model of particle physics and the Higgs boson is discussed. It also contains information about CERN, the particle accelerator LHC and the ATLAS, CMS detectors, all used in the search for the ...

Semigroups of nonlinear mappings with extreme amenability and Homology for graphs and twisted C*- Algebras

Mahmod, Huda Uones Mohamd Ahamd (Sudan University of Science and Technology, 2013-01-01)

We show the variational principles for topological entropies of subsets of a metric space. We established some fixed point properties for semigroups of nonlinear mappings and the extreme amenability of abelian topological ...

Beyond One Gluon Exchange In The Infrared Limit Of Yong Mills Theory

Yousif, Alssadig Abdalltif Mohammed (Sudan University of Science and Technology, 2013-01-01)

We analyze the Wilson loop for a pure Yang-Mills theory, using adecoupling solution in close agreement with lattice computations. At one-gluon exchange level it is seen that the potential cannot yield a linear rising ...

Study of Electronic Properties of Calcium Chloride Using the First-Principles

Hammad, Ibrahim Adam Ibrahim (Sudan University of Science and Technology, 2013-06-01)

In this research we used the first-principles calculations to study the electronic structure of the face center cubic (FCC) calcium chloride (CaCl2); using psedopotintial approach (as implemented by the QANTUM ESPRESSO ...

Numerical Solution for One- Dimensional Differential Equation Using the Finite Element Method

Adam, Nada Adam Musa (Sudan University of Science and Technology, 2013-01-01)

The finite element method is presented in this thesis, and we applied it for obtaining the approximate solution to the two points boundary value problem. This method uses the Galerkin method and the variational (weak) ...

On Curves Counting In Negative curvature

Mohamed, Omer Mohamed Omer (Sudan University of Science and Technology, 2013-01-01)

Weconsder a complete rimannian manifold M with negative curvature ,and two properly immersed convex sudsets and of M ,then we discuss the asymptotic behavior of the number of common perpendiculars of length at most S ...

Assessment of Hyperthyroidism Response for Internal irradiation

Mohammed, Mona Ali Alameen (Sudan University of Science and Technology, 2013-01-01)

The aim of the current thesis was to assess the response of ablative dose of Iodine-131 (capsule of Na-I-131) for treatment of hyperthyroidism as retrospective study carried out in RICK during 2012. The selected sample ...

The Finite Difference Approximation for One and Higher Dimensional Parabolic Problems

Haroon, Samah Abdelati (Sudan University of Science and Technology, 2013-02-01)

The finite difference approximation is a numerical method for solving differe- tial equations. The basic idea for the solution is to approximate a differential equation by a system of algebraic equations and is to replace ...

Unitary Representations of loop groups and fixed point properties of non linear mappings of semigroups

Madni, Yasir Abdelazeez Musa (Sudan University of Science and Technology‬, 2013-01-01)

We investigate the fixed points and selection of common fixed points for nonexpansive-type mappings. The representations of the unitary non irreducible generalize the restructure of the metaplectic approximation are ...

Solvent Extractive Properties of some Aliphatic Hydroxamic Acids towards Molybdenum (VI)

Haroun, Maha Ibrahim (Sudan University of Science and Technology, 2013-01-01)

Three hydroxamic acids (stearo - , oleo, plamatio) were prepared from stearic, oleic and palmitic acids by the reaction of their corresponding methyl esters with hydroxamine hydrochloride. The prepared hydroxamic acids ...

Estimation and Analysis for breast cancer patients from date of diagnosis until death by using Cox model An case study of breast cancer patients at National Center for Radiotherapy and Nuclear Medicine - Khartoum 2009 - 2011

MAMOUR, ELSAMOUAL MOHAMMED KURTOKEILA (Sudan University of Science and Technology, 2014-02-01)

This study aimed to build a model suitable to describe the difference in the risk of death for patients with breast cancer to those who have been giving them chemotherapy and who have not been giving them chemotherapy using ...

Radiation Protection and Minimization According to Modified Schordinger Equation

Esmail, Elfatih Musa Ali (Sudan University of Science and Technology, 2013-05-01)

The study is concerned with deriving anew expression for the radioactive decay law by using the modified schordinger equation, to know how radiation can be emitted.

Variation in Physicochemical Properties of Gum from Acacia seyal var. seyal

ARBAB, KHALID ELTOM MOHAMED AHMED (Sudan University of Science and Technology, 2013-08-01)

Physicochemical properties of Acacia seyal var. seyal gum were studied for two samples, sample A, clear nodules, pale yellow color and sample B, deep orange mass. The samples were collected from the same tree from Al ...

Determination of the Extent of Sorghum Grain Contamination by Heavy Metals in Yemen Republic

Alsarem, Ahmed Hamoud Mohammed Ali (Sudan University of Science and Technology, 2013-08-01)

Heavy metals are essential for plant growth, but they are required at low concentrations estimated in part per million (ppm). If these concentrations exceed the (codex) limits, the plant is considered contaminated by ...

First Law of Thermodynamics on the Basis of Plasma Fluid Equations

Gomaa, Ahmed Mohammed (Sudan University of Science and Technology, 2014-01-01)

One of the important laws of nature is the first law of thermodynamics, which reflects the principle of Conservation of energy. This law is concerned with ideal frictionless system. Unfortunately Frictional Force plays an ...

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