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PhD theses : Science: Recent submissions
Now showing items 381-400 of 647
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(Sudan University of Science and Technology, 2015-10-10)Using the dual nature of atomic and subatomic particles beside generalized special relativistic equation, two new quantum equations were obtained. The first one reduces to ordinary time independent Schrodinger equation ...
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Application of Homotopy Perturbation Method to Linear and Nonlinear Partial Differential Equations (Sudan University of Science and Technology, 2016-01-10)During the recent years, the studies and researches concentrated on the topic of Homotopy perturbation method, for being one the modern and effective methods for solving miscellaneous types of differential equations, ...
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(Sudan University of Science and Technology, 2015-11-10)In this study, phenolic compounds were extracted from roots of Balanites aegyptiaca, seeds of Hagenia abyssinica and roots of Cisuss petiolata using 95% ethanol. The crude ethanolic extracts of the studied species were ...
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(Sudan University of Science and Technology, 2015-02-10)Agents that complex DNA have been established as one of the most effective classes of anticancer agents in clinical use today, with broad application against a number of malignant diseases. The anthracyclines, primarily ...
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(Sudan University of Science and Technology, 2016-01-10)The electric power is considered as one of the easiest easy power resource in transmission and use and it represents the backbone to the growth and economic development although the electric power has important role in ...
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(Sudan University of Science and Technology, 2016-01-10)In this research 7on polymer solar cells Were fabricated to determine their efficiency and energy gaps The polymer was deposited solution on the ITO glass was are deposited with concentration of ITO , and deposited another ...
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(Sudan University of Science and Technology, 2016-02-10)The missing data in household health survey was a problem for the researchers because it leads to incomplete analysis. The statistical tool of cluster analysis methodology was implemented in the collected data of Sudan's ...
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(Sudan University of Science and Technology, 2016-01-10)Vinasse which is a by-products of ethanol production is considered to be a serious hazards to the environment. Two sample (1 and 2) of vinasse, colored dark brown, were collected and detected to be acidic. Sample 1 and 2 ...
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(Sudan University of Science and Technology, 2016-02-10)In this work the concept of energy and energy conservations in special relativity and generalized special relativity is discussed. The aim of the work is to incorporate potential energy in the energy relation. Some expressions ...
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(Sudan University of Science and Technology, 2016-02-07)The roots of Sudanese Albizia Amara were collected from the Al-Fulla forest in January, 2013 and Barks of Acacia mellifera were collected from Niala at west of the Sudan during October, 2013. Albizia Amara roots were ...
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(Sudan University of Science and Technology, 2015-10-10)We study the nonparametric function estimation involving time series and change-point estimation. We show the cusum test for parameter changes in GARCH (1, 1), and time series models with cusum of squares test for variance ...
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(Sudan University of Science and Technology, 2016-02-10)This study was aimed to the synthesis of some phenolicMannich bases. The biological activity of the targeted molecules was then evaluated and most of the Mannich bases exhibited significant antibacterial and antifungal ...
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(جامعة السودان للعلوم والتكنولوجيا, 2016-02-10)يهدف البحث إلى إيجاد نموذج لتقييم وتطوير أداء المؤسسات الخدمية وبشكل خاص المركز القومي للعلاج بالأشعة والطب النووي بإستخدام أسلوب برمجة الأهداف والذي يمكن الجهات القائمة من التوزيع الأمثل للموارد المتاحة (البشرية ...
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(Sudan University of Science and Technology, 2016-01-10)This study is mainly focusing on the application of the homotopy perturbation method and Sumudu transform of the linear and nonlinear partial differential equations. It has established some theorems, definitions and ...
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(Sudan University of Science and Technology, 2016-01-10)In this thesis, the homotopy perturbation method (HPM) was presented, and applied for solving some differential and integral equations with non-local conditions (linear and nonlinear). This method provides an analytical ...
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(جامعة السودان للعلوم والتكنولوجيا, 2016-02-10)هدفت الدراسة الي ان مؤشر قوة الاختبار الإحصائي هو موضوع ذو أهمّية لأي باحث يستخدم في دراسته منطق الاستدلال الإحصائيّ، فالدّراسات التي تكون فيها الاختبارات الإحصائية ذات مستويات منخفضة من قوة الاختبار عادة ما تؤدي إلى نتائج ...
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(Sudan University of Science and Technology, 2015-12-10)We study the operators with dense , invariant and cyclic vector manifolds with the hypercyclicity and supercyclicity criteria. The structure of cycles and normal one¬-dimensional currents with rectifiable sets in metric ...
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(Sudan University of Science and Technology, 2015-12-10)There is an increase in high-voltage towers numbers and reinforcement stations in Sudan and the world at large. For the purpose of protection; numbers of high-voltage towers in Khartoum were surveyed on the basis of the ...
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(Sudan University of Science and Technology, 2016-01-10)This study is mainly focused on the alternative version of Heisenberg uncertainty relation. We have shown the separation of the total angular momentum of the electromagnetic field into its orbital and spin ...
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(Sudan University of Science and Technology, 2015-12-10)We give the restriction of the Fourier transform to a conical surface with the weak type estimates for cone multipliers on the Hardy space. We show sharp analysis and boundedness of Bergman projections on tube domains ...
Now showing items 381-400 of 647
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