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Masters Dissertations : Science: Recent submissions
Now showing items 81-100 of 1209
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(Sudan University Of Science & Technology, 2021-03-01)Albizialebbeck(L) Benthisconsidered a repository of numerous types of bioactive compounds possessing varied therapeutic properties. The therapeutic potential of plants has been well explored over a very long time period. The ...
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(Sudan University Of Science & Technology, 2021-01-01)Differential Algebraic Equation arise a variety of application. There for their analysis and numerical treatment plays an important role. We give examples of DAEs are considered showing their importance for practical problem ...
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(جامعة السودان للعلوم والتكنولوجيا, 2020-01-01)تناولتالدراسةالتأثيراتالبيولوجيةللإشعاعاتالمؤينةوالوقايةمنهاوتُقسمالإشعاعالمؤينإلىقسمين، إشعاعاتطبيعية، وإشعاعاتصناعية وقدأصبحلهذهالإشعاعاتتطبيقاتواسعةفيمجالاتعديدةمنهاالصناعيكصناعةالأسلحةوحفظالأغذية،ومنهاالطبيبفرعيهالت ...
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(Sudan University Of Science & Technology, 2020-12-01)Recently, noble metals nanoparticles are gained the interest of the researchers due their unique physical characteristics. Among noble metals nanoparticles,silver nanoparticles exhibit sharp and distinct absorption band ...
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(Sudan University of Science and Technology, 2021-01-31)This study aims to prepared (5-(diethylamino)-1-(2-hydroxyphenyl) pent-1-en-3-one) as Mannich base, and then used as a ligand with three different metal ions, Cobalt (II), Nickel (II) and Zinc (II). The percentage yield ...
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(Sudan University of Science and Technology, 2020-12-25)The environmental impact of traditional Gold mining activity has become a concern. The concern is due to the methods that are used in the extraction of the Gold from its co-metals, particularly the use of the Mercury. The ...
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Preparation and Characterization of AcaciamelliferaGumBased Hydrogels crosslinked with Citric Acid (Sudan University of Science and Technology, 2020-09-10)Hydrogels obtained by chemical crosslinking of Acacia melliferagum with citric acid were prepared and characterized in this study. Different amounts of citric acid, varying heating temperatures and heating times were ...
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(Sudan University of Science and Technology, 2020-02-10)The aim of this study was to synthesize and characterize carboxymethyl cellulose (CMC) from Phoenix dactylifera L. )date palm( leaves by etherification reaction using sodium mono chloroacetic acid (MCAA) and sodium ...
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(Sudan University of Science and Technology, 2019-12-10)The aim of this study was the extraction and analysis of spearmint and eucalyptus volatile oils. The samples were collected from shambat farms (Khartoum north). The results showed that the Saponification numbers were ...
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(Sudan University of Science and Technology, 2019-05-10)The aim of this research is to study a spectroscopy application to identify some of the components of the sample of Senna Alexandrina by X-ray fluoridated and calculate the concentrations. In the peels of Senna ...
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(جامعة السودان للعلوم والتكنولوجيا, 2020-12-10)يوجد الإشعاع في البيئة ويأتي من مصادر طبيعية ومن مصادر صناعية كما أن الأشعة الطبيعية تنبعث من الشمس و المواد المشعة في الأرض وفي الفضاء الخارجي و الطعام والصخور وحتى جسم الإنسان. هدفت هذه الدراسة إلى التعرف على مصادر ...
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(Sudan University of Science and Technology, 2020-12-10)The optical and structural properties of silica doped with silver were investigated in detail at various annealing temperatures (from 500 °C up to 1300 °C) and silver concentration (from 0.1 - 5 mol%). To investigate the ...
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(جامعة السودان للعلوم والتكنولوجيا, 2020-01-10)تناولت الدارسة الخلايا الشمسية النانوية ، وهي الأكثر حداثة والتى يعول عليها العالم فى الحصول على وحدات من الخلايا الشمسية العالية الكفاءة .وهدفت الدراسة لزيادة كفاءة الخلايا الشمسية ورفع أدائها لكي ترتقى إلى مستوى المنافسة ...
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(Sudan University of Science and Technology, 2020-09-10)The aim of this study was to investigate the chemical compositions of the aerial part of Shih (Artemisia herba alba) and it’s essential oil. Areial part of Shih sample was purchased from Omdurman Market(Sudan). The ...
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(Sudan University of Science and Technology, 2020-11-10)Space weather is a modern aspect of science, emerged as to address natural Phenomena in Earth Space environment. Mainly, space weather leads to understand couple of solar wind and Earth’s magnetic field, since their ...
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(Sudan University of Science and Technology, 2020-10-01)Fish are widely used to evaluate the health of any aquatic ecosystem because their biological responses serve as biomarkers of an environmental contaminant. Besides their ecological value, Nile tilapia contributes immensely ...
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(Sudan University of Science and Technology, 2021-01-14)In this study, magnesium oxide nanoparticles were prepared using two methods: - The sol-gel method with spontaneous combustion and employing green chemistry, which is a less expensive and environmentally friendly method ...
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(Sudan University of Science and Technology, 2020-09-06)This study discusses the effect of the intensity of solar radiation and the temperature on the efficiency of the solar cell, and the study included five results at different times during the day, and both the intensity of ...
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(Sudan University of Science and Technology, 2020-11-13)In this study, examined the possibility of improving the optical properties of olive oil by denaturing it with black seed oil at different concentrations. At the beginning, prepared black seed oil by using the cold pressing ...
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(Sudan University of Science and Technology, 2020-09-14)This study was aimed to extract the fixedoil of Apium graveolens through the process of maceration with normal hexane. The oil was analyzed by gas chromatography-mass spectrometry. The antimicrobial activity was also ...
Now showing items 81-100 of 1209
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