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College of Science
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Recent Submissions
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(Sudan University of Science & Technology, 2017-01-10)Generalized special relativistic energy expression, beside Fermi momentum and ordinary Newtonian gravity potential were used for stars equilibrium conditions. The radius which makes the energy minimum shows that stability ...
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A Comparative Study to Estimate and Forecasting Mortality Using Demographic and Statistical Models (SUDAN UNIVERSITY OF TECHNOLEGY & SCIENCES, 2017-03-10)Estimation and forecasting for indicators of mortality are of great importance for the decision-making, it is considered to be the main economic and social planning factor which contributes to the development of policies ...
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(Sudan University of Science and Technology, 2017-01-10)The existence and non-existence results for semilinear cooperative elliptic Systems for a class of fractional elliptic boundary value problems and constructor finite frames with a given frame operator are given .We ...
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(Sudan University of Sciences and Technology, 2017-06-10)There are many applications of 𝑥-rays, it is not only to diagnoses or treatment, but also it used to irradiation. In this research 𝑥-rays microscope wave studied and absorption spectrum and its application was know and ...
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Investigation of Phytochemicals From Parsley Fixed Oil by GC-MS and Antimicrobial Potency of the Oil (Sudan University of Science and Technology, 2017-05-10)In the present study, the fixed oil of Petroselinum crispum (Parsely) was extracted from seeds.The oil was analyzed by gas chromatography – mass spectrometry (GC-MS) and 62 components were identified .Major constituents ...
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(Sudan University of Science and Technology, 2017-03-10)The aim of the present study was to investigate the effect of extraction methods on the thermal properties and the antimicrobial activity of Moringa peregrina seeds oil. The oil was extracted by cold pressing (CP) and ...
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(Sudan University of Sciences and Technology, 2017-05-10)Nuclear radiation counting systems are used for measuring the nuclear radiation, depending on the application the counting systems can be roughly grouped into Single channel analyzer (SCA) systems and Multi-channel ...
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(Sudan University of Science and Technology, 2017-05-10)This study shed light on the state of the material and the nature of its presence in nature, and how electricity was transferred through it. Electrical properties were studied through electrical conductivity. The classical ...
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(Sudan University of Science and Technology, 2017-06-10)In this research was calculated the mass difference and the nuclear binding energy of alpha particles (the nucleus of the helium atom) which is made of two protons and two neutrons, and found that the binding energy increases ...
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(Sudan University of Science & Technology, 2017-05-01)This work was directed toward the study and analysis of mica in Shereik area which in River Nile State (Sudan),it is Muscovite and occur in pegmatite which is the main source rock. The goal is to determine the content of ...
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(Sudan University of Science & Technology, 2017-02-01)The theory of direct integral decomposition of both bounded and unbounded operators is further developed. We study Banach and C* -algebras generated by Toeplitz........
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(Sudan University of Science & Technology, 2017-04-01)GC-MS technique was used for determination of chemical constituents of the doum fruit extract. Doum fruits Powder was analyzed by an X-ray fluorescence to determine the major available elemental constituents. The results ...
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(Sudan University of Science and Technology, 2017-05-10)This research aimed to study the effect of laser irradiation on bee honey (Seder) physical and chemical properties. Four honey samples were used in this study with 250 g of each; three of them were irradiated by He-Ne ...
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(جامعة السودان للعلوم والتكنولوجيا, 2016-01-01)يهدف هذا البحث الى استخدام احد الاساليب الكمية الحديثة والمسمى باسلوب تحليل مغلف البيانات لتقدير كفاءة التكلفة لجميع المصانع العاملة فى السودان.وقد تم استخدام المساحة المزروعة(بالفدان) كمدخل، وتكلفة انتاج السكر بالطن(مدخل) ...
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(جامعة السودان للعلوم والتكنولوجيا, 2017-05-10)هدفت هذه الدراسة إلى إجراء المقارنة بين التصوير بالموجات فوق الصوتية والعلاج الأشعاعي ، وبعد إجراء المقارنة بين طريقتين من طرق الإختبار الاإتلافي ) التصوير بالموجات فوق الصوتية و التصوير الإشعاعي ( والتعرف على كيفية إستخدام ...
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(Sudan University of Science & Technology, 2017-04-02)The essential oil from the dry peels of Citrus limon was extracted by hydro distillation. The essential oil yield was found to be 0.6%(v/w).physical and chemical properties of the oil were studies : refractive index (1.462), ...
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(Sudan University of Science & Technology, 2016-11-01)This study was conducted on seeds of Acacia Seyal (Fabaceae (Mimosoideae)) which were collected from Alkawwa in White Nile state Sudan during the season 2016. Solvent extraction technique was utilized to extract the oil ...
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(Sudan University of Science & Technology, 2017-03-01)Acacia SeyalvarSeyal gum was fractionated by precipitation using ethanol, the total percent yield was 87%.The phesio-chemical properties were determined for the gum and its fractions . The results showedthat, the ...
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(Sudan University of Science & Technology, 2017-03-01)in this work two dye polymer solar cells V-I characteristics were studied their stability .the Voltage-Current characteristics were studied for about one month ,the experimental results after (1,10,20,30) days was found ...
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(جامعة السودان للعلوم والتكنولوجيا, 2017-04-01)تركيزالالكترونات ودرجة حرارة البلازما المتولدة بالليزر أعلي بكثير من تركيز الالكترونات ودرجة حرارة البلازما المتولدة بالانفراغ الكهربي لذا يعد الليزر مصدرا منفصلا لدراسة أطياف ،ان دراسة اللوحات الفنية باستخدام اطياف البلازمة ...
