ABSTRACT Dye-sensitized solar cells (DSSCs) are the one among the important device which established a consideration attention for transferring a fresh solar energy to electricity in the most recent decade. Coumarin dye is one among metal free organic dyes which hold a higher potential for operating in DSSC because of its environmentally friendly, inexpensive and easy to fabricate. The aim of this study was to apply computational quantum calculations which persuade to appreciate the molecula...
ABSTRACT Gold mohur -Delonixregia, Tamarind - TamarindusindicaandC amel foot - Pilostigmathonningii are tropical seeds reported to be native to Madasgasca, now they grow in every frost free nation across the world .. Based on the compositional analysis, the three seeds are rich in nutritional components especially proteins, oil and dietary fiber. The three seeds are rich in Glutamine, Aspartate, Leucine, Lysine, Arginine and valine. This result support the main aim of this research proje...
Abstract Development of students' performance is significant in educational environments because it plays an essential role in making the best quality graduates and post-graduates who will become great leaders in the future and sources of the workforce for the country. A recommendation system is an intelligent system that proposes different suggestions to students, based on the previous actions from other students who faces the same environment, such as academic performance. One of the m...
Fresh peeled and grated cassava mash was blended with toasted African yam bean seed flour (TAYBSF) in ratios of 95:5, 90:10, 85:15 and 80:20 w/w cassava : African yam bean seed prior to fermentation (PreGAF samples) and after fermentation (PoGAF samples). Gari without African yam bean seed flour served as the control. Fermentation was done for 2 days after which the samples were dewatered. The dewatered samples were sieved, toasted and evaluated for chemical composition and functional propert...
Abstract The Sicklepod (Cassia obtusifolia) leaves after fermentation and drying are commonly known as Kawal. Fermented leaves of Cassia obtusifolia are used as a substitute of meat by people of eastern of Chad and western of Sudan. In this study kawal was obtained from Forbranga western of Darfour as a powder. The objective of this study was identification the chemical compositions of the Kawal. FTIR spectrum and atomic absorption spectrophotometer methods were used. In FTIR experimental th...
Abstract The advantages of DNA typing and its use for human identity testing has revolutionized law enforcement investigations in recent years by allowing forensic laboratories to match suspects with minuscule amounts of biological evidence from a crime scene. Equally important is the use of DNA to exclude suspects who were not involved in a crime or to identify the rapist in sexual crimes and in paternity cases from different samples (Evidences) from different cases were collected and extr...
Among other atmospheric region, ionosphere, which is the ionized region of the atmosphere, is considered to impose serious limitation on radio wave transmission while the effect of other layers, more especially, the troposphere is often treated as negligible. At higher frequency, radio waves pass through the ionosphere and are attenuated due to the free electrons present in it. However, recent studies have shown that while the ionospheric disturbances can be predicted on a global scale, trop...
The concentrations of Ni, Mn, Cd, Cu, Zn, Pb and Cr, were determined in some pastas consumed in Nigeria, with a view to providing information on the dietary intakes of heavy metals and exposure of humans to toxic metals. The concentrations of these seven (7) elements were determined by atomic spectrometry after nitric acid/perchloric acid digestion. The concentrations of the metals (µg/g) in the locally manufactured pasta samples were in the following ranges: Ni (0.109 - 0.344); Mn (0.377 - ...
Abstract In this research from Azadirachta Indica (Wild) , neem gum was fractionated by foaming method into two fractions, high protein fraction (HPF) that represents 65% of the weight gum and a low protein fraction (LPF) which represents 35% of the gum. A comparative study between the crude gum and the two fractions was conducted in the scope of their physiochemical properties. Proximate analysis of the crude gum and fractions HPF and LPF respectively revealed that, the moisture content 7.5...
Abstract This study is concerned with derivation of quantum relation in a curved space –time . The importance of this study emerges from the use of energy and momentum in many applications. This study use mathematical derivation trend. The research problem is related to the lack of suitable consistent relations for quantum eigen equations in a curved space , beside lack of relations for the special quantum evolution in the interaction model. Therefore this research aims to use the expressio...
Abstract Integrating Administrative and Engineering Sciences, It has profound effect in Enriching both for the good of mankind, As the value management Approach depends on the Organization of Scientific Steps in order to reach the point of balance between quality, cost and time ,Which invited engineers to exploit and apply this approach during the different phases of the project to achieve this balance in all aspects of technical and administrative project in general. And the Proportion of h...
ABSTRACT This Thesis study semi local and hybrid density functional analysis of charge transition levels of native defects in BaF2 and CaF2 structures. The transition levels was calculated from the formation energies corresponding to two defect charge states. The errors arising from the small super cell size effects have been relieved through extrapolating the formation energies to the limit of infinite super cell size. The reliability of the extrapolation method has been verified through th...
Abstract In this dissertation, the one-loop renormalization group equations for the gauge couplings in five and six dimensional models as well as 5D Minimal Super-symmetric Standard Model were derived. We considered different localization of matter fields that is, all fields propagate in the full space-time (bulk case), or some of the fields restricted in the brane (brane case). We studied the evolution of the inverse fine structure constants , which is linked to the gauge couplings constant...
The aim of this study was to determine the nutritive value and safety of media (Sudanese thin porridges). Samples were collected from different locations in Khartoum State. The samples were medidat tamur, millet medida and medidat um genger. The moisture content of Um ginger in Khartoum North, Omdurman and Khartoum was 67.57%, 65.45% and 63.83%, respectively. Date medida was 64.48%, 63.09% and 67.19%, respectively. Millet medida was 67.48%, 65.22% and 66.98%, respectively. Ash content ...
Abstract For the purpose of comparison of the traditional statistical methods used in analysing and classifying data with a vast amount of information and modern statistical methods computerized to obtain relationships and models that help in extracting useful information and support for decision making and hence the problem of study in how Employing this field in the organization, analysis and classification of such a large amount of data, and the establishment of a general rule concerning ...