College of Science: Recent submissions

Now showing items 1561-1580 of 1856

تكمية متغيرات المجال التثاقلى من حيث البناء الهندسي الموحد للنظرية النسبية والنظريه الكمية

عثمان, ابراهيم حسن حسن (جامعة السودان للعلوم والتكنولوجيا, 2007-09-01)

في هذا البحث أُخضعت المعادلة المعمّمة للمجال التثاقلي لمبدأ الكم ، حيث كميّت الكتلة والمجال والفضاء والزمن ، وتبين أن الجسيمات تكون في هيئة كرات جوفاء مما يحل معضلة المفردات والكميات الطبيعية اللانهائية.وذلك في إطار بناء ...
OPTIMIZATION OF A SOLAR SYSTEM

SULIMAN, MAGDI ELFADIL YOUSIF (Sudan University of Science and Technology, 2007-01-01)

In this work a concentration system was designed and fabricated to concentrate the solar radiation into a photovoltaic module of 55 × 65 cm2 dimensions with a power of 37.3 Watt at standard conditions. In this concentration ...
Tunability ofR efractive Index of Optical Active D- Cl ucose/ GumAR Arbic Blend

Hassen, Siham Mohamed (Sudan University of Science and Technology, 2007-01-01)

The basic work was to determine the refractive index of glucose and Arabic gum blended by using a polarimeter and laser light source in conjunction with a photocell and a laser power meter. The results obtained have ...
تطبيق نماذج بوكس-جنكنز للتنبؤ بالمبيعات في هيئة مياه ولاية الخرطوم في الفترة من (يناير2002- ديسمبر2007م)

الفكي, مصطفي أحمد صالح (Sudan University of Science and Technology, 2008-01-01)

تناول هذا البحث دراسة مبيعات المياه بهيئة مياه ولاية الخرطوم في الفترة من يناير 2002م إلى ديسمبر 2007م، حيث تمثل متغير الدراسة في المبيعات الشهرية للمياه بالجنيه. بنيت هذه الدراسة لتحقيق عدة اهداف أهمها إيجاد افضل نموذج ...
Impact of Eigenspaces on Hyperbolic Spaces and Formal Dimension with Limit of Period Integrals on Symmetric Spaces

Mohammed, Manahil Elamin (Sudan University of Science and Technology, 2008-08-01)

We give a complete description of all closed G- invariant subspace of the eigenspace. The eigenspace representation are compare with principal series representation , using Poisson- transformation. We show and compute the ...
Synthesis of Some Sulphonylureas

Salih, Hiba Salih Hussein (Sudan University of Science and Technology, 2008-01-01)

Twenty eight sulphonylureas derivatives together with their corresponding intermediates were prepared in this work. The synthetic designing of these compounds was based upon suitable retrosynthetic analysis of the target ...
استخدام الدالة التمييزية في تصنيف فئات الدخول

ادم, الطاهر نوح محمد (جامعة السودان للعلوم والتكنولوجيا, 2008-11-01)

تم التركيز في هذا البحث علي فئات الدخول في السودان وهي فئتي الدخول العليا والدنيا التي تكون مجتمع البحث، وقد تحصلنا علي هذه البيانات بواسطة الجهاز المركزي للإحصاء السوداني والذي يقوم بتجهيز وإعداد هذه البيانات وقد كانت ...
تطبيق النموذج الموسمى المضاعف على بيانات درجات الحرارة الشهرية فى ولاية القضارف من 2000 - 2007

عثمان, شـذى عبد الوهاب الطاهر (جامعة السودان للعلوم والتكنولوجيا, 2008-11-01)

في هذا البحث تم تطبيق أحد نماذج بوكس-جنكنز للسلاسل الزمنية لمتوسطات درجات الحرارة الدنيا المسجلة شهرياً في ولاية القضارف للفترة (يناير/ 2000 –ديسمبر/2007). ومن خلال تقدير معاملات الإرتباط الذاتي والإرتباط الذاتى الجزئى ...
Solution of System of Defferential Equations by Defferential Trans From Method

Idris, Haytham Hussein Altaheir (Sudan University of Science and Technology, 2008-01-01)

A new technique for calculating the one–dimensional differential transform of nonlinear functions. This new technique the difficulties and massive computational work that usually a rise from the standard method . The ...
Evaluation of Tc99m-Macro Aggregated Albumin (MAA) Lung perfusion study in detection of pulmonary embolism in (R I C K)

Obeidalla, Ebtisam Mohamed Abdelgadir (Sudan University of Science & Technology, 2005-01-01)

In this experiment thirty-five patients were examined in order to measure the function of lung scan in detection of pulmonary embolism. And evaluate the value of radionuclide lung perfusion scan in cases of pulmonary ...
Modeling of HIV/AIDS Epidemic in Khartoum State: Statistical Study

Rahama, Ahmed Saied (Sudan University of Science and Technology, 2008-08-01)

The study has focused on the HIV/AIDS in Khartoum state during the period (2003-2007). Its main objective was to study the situation of HIV/AIDS in Khartoum state through a sample of 1439 of volunteers for the three selected ...
Optimal Runs Order for (S,n,x Mixed S,n,) Systematic Factorial Design

Abu Al-Haj, Majdi Fathi M. (Sudan University of Science and Technology, 2008-01-01)

When factorial experiments suffer from the presence of time trend or need large cost for varying the experimental conditions between the successive runs, random allocation of treatments may no longer be appropriate. Instead, ...
Infinite Divisibility of positive Definite Functions and Sobolev Embeddings Extensions with Riesz Transforms

Taha, Khdija Osman Al Zebir (Sudan University of Science and Technology, 2008-09-01)
THE ADOMIAN DECOMPOSITION METHOD AND MODIFIED DECOMPOSITION FOR SOLVING BOUNDARY VALUE PROBLEMS

Yousif, Mogtaba Ahmed; Supervised - Lajimi ben Amor ben Belgacem Lajimi (Sudan University of Science and Technology, 2008-01-01)

In chapter one we explained the Adomian Decomposition method and how to use it to solve ordinary differential equations (ODE) and gave some examples of linear and nonlinear ordinary differential equations with comparison ...
Spectral Distribution Measures and Non – Commutative Flow of Weights with Rigidity on von Neumann Algebras

Fatahalla, Nansi Isam Eldin (Sudan University of Science and Technology, 2008-07-01)

An algebraic extended bilinear Hilbert semispace is proposed as being the natural representation space for the algebras of Von Neumann, Towers of Von Neumann bisemialgebras on the bilinear Hilbert subsemispace, of which ...
Symmetry Minimizers and Meromorphic Continuation of Dynamical Zeta Functions with continuity Envelopes

Yousif, Taiseer Mohammed El-mubark (Sudan University of Science and Technology, 2008-11-01)

We study the symmetry of minimizers for a large class of non-local variational problems. We study the identities that lead to symmetry results, the functional that can be considered and the functional spaces that ...
Preparation and Structure Elucidation of Some Derivatives of Aryl Propionic Acid and Aryl Acetic Acid

Ali, Ahmed Abaker Ahmed (Sudan University of Science and Technology, 2008-08-01)

rylpropoionic acids, or Non-steroidal anti-inflammatory drugs (NSAIDs) are an important class of drugs used to suppress pain and inflammation in cases of rheumatoid arthritis and other inflammatory diseases. Recently, ...
The a pproximation by Smooth functions and fixed point of semigroup with polyhedral norms on separable Banach spaces

Yousif, Ahmed Abdallatif Mohammed (Sudan University of Science and Technology, 2008-08-01)

We characterize the separable Banach spaces . we also state sufficient conditions on aseparable Banach space so that the function can be taken to be of class . In particular we obtain the optimal order of smoothness ...
THE ADOMIAN DECOMPOSITION METHOD AND MODIFIED DECOMPOSITION FOR SOLVING PARTIAL DIFFERENTIAL EQUATION

Sedeeg, Abdelilah Kamal Hassan; Supervised - Lajimi ben Amor ben Belgacem (Sudan University of Science and Technology, 2008-01-01)

In this research we study the solution of partial differential equations using Adomian decomposition method (ADM) and modified decomposition (MD) and we compared between the results of the two methods. In chapter one ...
The Role of Quantized Effective Mass and Relaxation Time on Optical Absorption of Semiconductors

Elshiekh, Mohamed Eltoum Fadel (Sudan University of Science and Technology, 2007-07-01)

In this research a quantum expressions for absorption coefficient, effective mass and relaxation time are obtained by modifying Schrödinger equation solutions, with the aid of Maxwell's and Boltzmann statistical ...

Now showing items 1561-1580 of 1856

Search SUST

Browse

All of DSpace
This Community
- By Issue Date
- Authors
- Titles
- Subjects

Recently added

College of Science: Recent submissions

Search SUST

Browse

All of DSpace

This Community

My Account