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PhD theses : Science: Recent submissions
Now showing items 41-60 of 647
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(Sudan University of Science and Technology, 2018-01-10)The objective of this study was to investigate parameters in Acacia nilotica var. adstringens gum, which is available in Sudan. In total there were 45 samples of authentic Acacia nilotica var. adstringens gum were collected ...
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(Sudan University of Science & Technology, 2022-01-01)In this study the oils from five plants ofmedicinal atteributtes (Sesabania sesaban , Dichrostachys cinarea , Cordia sinensis , Acacia polyacantha ,and Peganum harmala ) have been studied by GC-MS and antimicrobial activity ...
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(Sudan University of Science & Technology, 2022-03-01)Plants are very important for human life. recently it was observed thatplants using chemical fertilizers cause some times severe biological hazards. On the other hand, the elemental contents of the soil determine the ...
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(Sudan University of Science & Technology, 2022-01-01)The Lindelöf property and Bishop-Phelps-Bollobás moduli in Banach spaces are studied. The Bishop-Phelps-Bollobás theorem for operators from c_0 to uniformly convex spaces, for bilinear forms and for uniform algebras are ...
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(جامعة السودان للعلوم و التكنولوجيا, 2022-03-05)تناول هذا البحث نمذجة المعادلات البنائية لتحليل مسار الجرائم الجنائية في السودان، حيث تم الحصول علي بيانات البحث من وزارة الداخلية – الادارة العامة للمباحث والتحقيقات الجنائية، وكانت البيانات عبارة عن الجرائم الجنائية ...
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(Sudan University of Science & Technology, 2022-07-27)We show a sharp embedding theorem, some existence results on periodic solutions of Euler-Lagrange equations and anisotropic in Orlicz-Sobolev spaces setting and of vector valued functions. The centre of a vector lattice ...
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(Sudan University of Science & Technology, 2022-07-27)We give the products and algebraic properties of Hankel and Toeplitz operators on the Bergman space and on the polydisk with Hankel operators on weighted Fock spaces and related to Bergman kernel estimates, We characterize ...
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(Sudan University of Science & Technology, 2021-10-01)The Mordell exponential sum estimates and sets of large trigonometric sums are presented. The exposition of Bourgain 2-source extractor and subspace of the Bourgain-Dellaen space are given. We study the generalized N-property ...
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(Sudan University of Science & Technology, 2022-01-23)We perform complete group classification of the general class of quasilinear wave equations in two variables. This class may be seen as a generalization of the nonlinear d’Alembert, Liouville, sin/sinh-Gordon and Tzitzeica ...
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(Sudan University of Science & Technology, 2021-08-21)In this study five medicinal plants(Lycopersicum esculentum, Ocimum basilicum ,Sterculia setigera , Carthamus tinclorius and Prunus mahaleb) have been studied by GC-MS and the antimicrobial activity has been evaluated. ...
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(Sudan University of Science & Technology, 2021-02-25)We show the convexity properties and similarity classification with homogeneous operators on Hilbert spaces of holomorphic mappings, curves and functions. The sharp estimates of all homogeneous expansions for a class and ...
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(Sudan University of Science & Technology, 2022-03-02)Nano optical and electrical properties play an important role in fabrication of new solar cells generation to solve the energy problem. To do this thin films fabricated from some magnetic materials were experimented. In ...
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(Sudan University of Science & Technology, 2021-11-01)In the present study, Nickel nanoparticles (NiNPs) were synthesized using Nickel (II)chloride hexahydrate (NiCl2•6H2O) as a precursor and hydrazine monohydrate (N2|H4•H2O) as a reducing agent with different molar ratios ...
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(Sudan University of Science & Technology, 2022-03-12)In this work, Gum Arabic (Talha and Hashaba) Nano-material samples were prepared with different Concentration (0.1, 0.3, 0.5, 0.7 and 0.9) m Molar by doping with Iodine. Optical Properties of Gum Arabic doping by ...
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(Sudan University of Science & Technology, 2022-01-01)In this study the oils from six plants of medicinal attributes (Acacia seiberiana, Acacia alata, Leucaena leucocephala, Pongamia pinnata , Delonix regia and Cassia auriculata) have been investigated by GC.MS and the ...
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(Sudan University of Science & Technology, 2022-03-01)In this study the oils from five plants of medicinal attributes (Croton cordofana, Cissus quadrangularis, Syzygium aromaticum ,Croton zambesicus and Hibiscus sabdariffa) have been investigated by GC-MS and the antimicrobial ...
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(Sudan University of Science & Technology, 2022-04-19)Water plays a central role in human life. Thus its physical properties affects human health directly .Thus the aim of this work is to study the effect of water containers and food supplements on the physical properties of ...
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(Sudan University of Science & Technology, 2022-03-31)The effective and computing matrix geometric means satisfying the Ando-Li- Mathias properties are studied. The geometric means of structured matrices and for Toeplitz and Toeplitz -block-block-Toeplitz matrices are also ...
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(Sudan University of Science & Technology, 2021-02-21)In this research five ferrites catalysts ;( MFe2O4 where M represent Fe2+ , Zn2+ , Ni2+ , Cd2+ , and V2+ ) , were Prepared by co-precipitation method in which one or more metals are precipitated together with the ...
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(Sudan University of Science & Technology, 2021-09-04)This research aimed at investigating the main causes of under-five mortality in Khartoum State in 2018. Primary data were collected from stratified multistage sample of households in the state covering mainly socio-economic ...
Now showing items 41-60 of 647
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