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PhD theses : Science: Recent submissions
Now showing items 541-560 of 647
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(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 ...
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(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 ...
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(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 ...
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(Sudan University of Science and Technology, 2007-01-01)In this study blood samples were collected from 665 female from Northern state of Sudan; 606 of those females are married and only 59 females are singles. These samples were used to estimate the normal CA 15-3 which ...
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(Sudan University of Science and Technology, 2007-01-01)فى هذه الدراسة تم تحليل عينات مياه جوفية (45 عينة) من مواقع متفرقة ضمن حوض بارا الجوفى ضمنها وحقلان يتميزان بملوحة عالية فى منطقتى شرشار والقاعة، وخمسة عشر عينة تربة من المنطقتين وثلاثة عينات(خليط) لأملاح منتجة محلياُ، ...
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(جامعة السودان للعلوم والتكنولوجيا, 2007-11-01)إن أي مصنع يستهدف خدمة التقتصاد الوطني يجب أن يراعي معولية الل ت والمعدا ت المنتجة لن ذلك ضمان للمستهلك ولتطططوير إنت طاج ذل طك المص طنع، ل طذا ف طأن دراس طة المعولي طة تعت طبر مهمطة لتقيي طم ط ط ط ط ...
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(Sudan University of Science and Technology, 2009-01-01)A mathematical model has been developed, the physical part of the model is based on the concept of the variation in equivalent potential temperature (), that occurs as a result of the seasonal, monthly and daily variation ...
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(Sudan University of Science and Technology, 2006-05-01)This work presents a new experimental design and construction of a home- made hollow copper cathode discharge laser. A simple constructed power supply is used to provide the discharge tube (Laser Head) with short pulsed ...
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(جامعة السودان للعلوم والتكنولوجيا, 2007-01-01)ركزت الدراسة بصورة مباشرة على أهمية تحسين المؤشرات الاجتماعية للتنمية البشرية المستدامة للسكان بدولة قطر باعتبار أن تحقيق التنميـة البشرية المستدامـة من الأهداف الإنمائية لمنظمة الأمم المتحدة التي تعهدت كافة الدول المختلفة ...
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(Sudan University of Science and Technology, 2007-12-01)We study the action of composition operators on Sobolev spaces of analytic functions in some weighted Bergman and Hardy spaces on the unit disc. Composition operators mapping into the Hardy space are included by making ...
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(Sudan University of Science and Technology, 2007-06-01)In this work ordinary Schrödinger equation (OSE) is generalized by using the expression for the electromagnetic wave expression inside a medium, instead of the in free space for the OSE. This generalized Schrödinger equation ...
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(Sudan University of Science and Technology, 2007-09-01)In this thesis the Steven’s operator equivalent method together with the methods of Racah algebra were used to obtain expressions for the atomic charge and spin den- sities for many electron configuration lN . In addition, ...
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(Sudan University of Science and Technology, 2007-01-01)In this dissertation we study the solution of system of ordinary differential equations (SODE) using Adomian decomposition method (ADM) and modified decomposition (MD) and we compared between the results of the two ...
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(جامعة السودان للعلوم والتكنولوجيا, 2007-09-01)هدفت الدراسة التي جاءت بعنوان ) تطبيق أسلوب البرمجة الهدفية على إدارة الموجودات والمطلوبات في المصارف التجارية، دراسة حالة بنك أمدرمان الوطني في العام 5002م( إلى العمل على إدخال الأساليب الكمية الحديثة في العمل ...
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(جامعة السودان للعلوم والتكنولوجيا, 2007-12-01)تناول البحث تطبيق نماذج سلاسل ماركوف ذات الزمن المتصل في مراكز الاتصالات حيث يحتاج مديرو هذه المراكز الى اسلوب علمي لتوظيف اقل عدد ممكن من الوكلاء مع الحصول على أعلى امكانية من جودة الخدمة المقدمة . وهناك أربعة نماذج تستخدم ...
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(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 ...
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(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 ...
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(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, ...
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(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 ...
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(Sudan University of Science and Technology, 2008-01-01)This research undertakes nonlinear time series modelling and in particular discusses wavelet smoothing technique to decompose the time series into a wavelet smoothed component and a random component. The random component ...
Now showing items 541-560 of 647
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