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College of Science: Recent submissions
Now showing items 101-120 of 1856
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(Sudan University of Science & Technology, 2021-12-19)Constructing an econometric model to be suitable for forecasting necessarily requires that it should be free from measurement problems (Heterocedasticity, Auto-correlation and Multicollinearity). The main object of this ...
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(Sudan University of Science & Technology, 2022-02-08)Seeds are widely used for human food and food supplements. Water is mainly used as its host environment. This requires studying their properties separately and this work stems from the importance of seeds in human life. ...
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(Sudan University of Science & Technology, 2021-12-27)We show the inverse limits, the positive definite kernels, the dual spaces and the topological representation of C^*-algebras with maps between locally C^*-algebras and seminormed ∗-subalgebras of l^∞. The representations ...
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(Sudan University of Science & Technology, 2020-09-03)Despite the vast research in the notions of Maxwell's equations, the propagation equation of an electromagnetic wave and the notion of soliton allowed us to derive a model known in optics as the Nonlinear Schrodinger ...
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(Sudan University of Science & Technology, 2021-08-04)Brassica hirta oil was analyzed by GC-MS. Identification of the constituents was accomplished by consulting the MS library (NIST) and also by matching retentions times with the database of the GC-MS library.Twenty nine ...
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(Sudan University of Science & Technology, 2022-03-16)Carbon nanotube is long thin cylinders of graphite, it is made up of layers of carbon atoms every atom is connected evenly to three carbons arranged in a hexagonal lattice. In this research carbon nanotubes (CNTs) doping ...
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(Sudan University of Science & Technology, 2021-08-21)This research project introduces a new method employed to tackle non-linear partial differential equations, namely Modified Double Sumudu Transform Decomposition Method. This method is a combination of the Modified Double ...
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(Sudan University of Science & Technology, 2021-11-21)The aim of this work is to study the behavior of attenuation coefficient for gamma rays under thermal non-equilibrium statistical conditions. To do this, 18 samples from Al, Fe, and Cu were prepared. Six samples from ...
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(Sudan University of Science & Technology, 2021-08-09)We study by the function theory on Cartan domains, the Berezin-Toeplitz symbol calculus, the essential commutant of analytic Toeplitz operators and algebras associated with spherical isometries and on the Bergman space. ...
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(جامعة السودان للعلوم والتكنولوجيا, 2021-06-21)تعتبر تقنية الأشعة السينية المتفلورة تقنية فعالة وأداة لتحليل وقياس العناصر علي اساس تشعيع العينات دون إتلاف المادة. ويسبب تلوث منتجات الدواجن ببعض العناصر الثقيلة خطورة كبيرة علي صحة الإنسان، ولذلك أجريت هذه الدراسة علي ...
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(Sudan University of Science & Technology, 2021-12-27)The aim of this study was to determine environmental radioactivity level and elemental concentrations of rock and soil samples from Quarries cement factories (River Nile State -Sudan). The activity concentrations of naturally ...
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(Sudan University of Science & Technology, 2021-12-14)This study showed that the evaluation of radiological risk factors due to terrestrial radionuclide's in soil, about the stores of pesticides and fertilizers for Aljazeera agricultural project in Alhassahisa, Sudan, The ...
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(Sudan University of Science & Technology, 2021-07-28)Pimpnella anisum oil was analyzed by GC-MS . Ten constituents were identified by GC-MS analysis dominated by the following major components: i) 9-Octadecenoic acid methyl ester (14.21%) ii) Cyclopropaneoctanoic acid, ...
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(Sudan University of Science & Technology, 2019-07-20)Various methods to study the electric charge distribution on conductors were presented in details in this thesis. The electrostatic potential is mediated by potential law that varies as inverse power potential instead of ...
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(Sudan University of Science & Technology, 2020-01-05)This study is focused on the optical properties of p-type semiconductor Nano copper oxide (CuO) prepared by Sol-gel method. The optical characteristics have been investigated by UV/Vis spectrophotometer in the wavelength ...
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(Sudan University of Science & Technology, 2021-10-26)In this study potassium and sodium have been determined in four Sudanese vegetables (watercress, tomato, potato and parsley) and four Sudanese fruits (banana, mango, date and orange). Dry ashing method was used to prepare ...
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(Sudan University of Science & Technology, 2021-11-26)Polymeric materials are of great interest in scientific and technological research and play an important role in our modern daily life, they can be tailored to meet specific requirement for vast applications, and this ...
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(Sudan University of Science & Technology, 2021-03-26)The bi-Lipschitz type inqualities with the quasi – isometries of harmonic quasiconformal mappings and between smooth Jordan domains are studied. The quasiconformal maps with controlled Laplacian and coefficients estimates ...
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(Sudan University of Science & Technology, 2021-03-26)We study some products with mixing subalgebras and non-injectivity with generator Masa of the q-deformed Araki – Woods of von Neumann algebras. We also study a class of II1 factors with at most one Cartan subalgebra II and ...
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Extraction, Antioxidant and Biological Activity of The Oil from Mentha spic ata.L (Spearmint) Leaves (Sudan University of Science & Technology, 2020-10-01)The aim of this study was to investigate the chemical composition, the antimicrobial and antioxidant activities of the essential oil from dried leaves of Mentha spicata (viridis). Moreover the antimicrobial activity of the ...
Now showing items 101-120 of 1856
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