Browsing Masters Theses by Issue Date
Now showing items 161-180 of 461
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A Smart Media-Based Recommendation System
(2014-12-15)Smart media devices such as: smartphones and tablets are getting more powerful, smarter, cheaper and hence more popular. Recommendation systems become very common in e-business and e-Commerce, for example: Amazon, Google, ...
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Modeling and Simulation as a Service
(2014-12-15)DEVS Modeling & Simulation separates a model from its simulator. A DEVS model describes the structure and the behavior of a system, while a DEVS simulator generates the trajectories of these descriptions through execution ...
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Annotating Web Search Results
(2014-12-15)With more than millions of pages, the Web has become a greatly enormous information source. This information is in form of documents, images, videos as well as text. With such vast sizes of data, it is a common problem to ...
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The Study of Hydrodynamics of Slug Flow in 10 Degrees Inclined Pipe Using Electrical Capacitance Tomography Data
(2014-12-15)Slug flow along slightly inclined horizontal pipes is a major problem in gas-liquid transportation, it is very pronounced in chemical, oil and gas processing industries. In reality, there is no absolute horizontal pipe due ...
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Development of a Correction Term for the Kinetic Energy Density Functional
(2014-12-15)Density functional theory (DFT) is a useful theoretical and computational tool for electronic structure calculations, which form the basis for the classification of materials into conductors, semiconductors or insulators. ...
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Effects of Bending and Stretching on Hybrid Organic-Inorganic Trihalide Perovskite Solar Cells
(2014-12-15)In the recent decade, hybrid organic- inorganic trihalide perovskite solar cells have attracted significant interest from the scientific community due to their unique optoelectrical properties, ease and low cost of ...
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Limiting Efficiency of Perovskite Solar Cells
(2014-12-15)The power conversion efficiency of perovskite solar cells has risen from as low as 3.8% to as high as 19.3% in just five years with yet a projected value of over 20% in the next few years by experimentalists. Such a ...
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Performance Optimization of Tin Halide Perovskite Solar Cells Via Numerical Simulation
(2014-12-15)Organic-inorganic hybrid perovskite solar cells have attracted great attention in the photovoltaic research community in recent years due to its ease of processing, low cost of production, superb light-harvesting ...
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Comparative Economics of Petroleum Production Optimization Techniques
(2014-12-15)Hydrocarbon production in the petroleum industry is often constrained by reservoir heterogeneity, deliverability and capacity of surface facilities, also optimization technique in the petroleum industry requires execution ...
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Detailed Analysis of Pressure Drop in a Large Diameter Vertical Pipe
(2014-12-15)With the ever increasing need to optimize production, the accurate understanding of the mechanics of multi-phase flow and its effect on the pressure drop along the oil-well flow string is becoming more pertinent. The ...
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Analysis of Void Fraction Phase Distribution of Gas-Liquid Flow In a Horizontal Pipe Using Wire Mesh Sensor Data
(2014-12-15)The scope of this work was to make detailed analysis of phase distribution in a horizontal pipe. This detailed analysis has been successfully carried out. Data obtained from wire mesh sensor (WMS) were used for the analyses. ...
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Molecular Dynamics Simulation of Transport of Encapsulated Drug Through a Lipid Bilayer
(2014-12-15)Most anticancer drugs are polar, cytotoxic and have complicated structures which cause difficulty in their penetration through the cell membrane. This presents a serious problem in chemotherapy. Is it possible to use carbon ...
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Controlled Release of Fungicidal Antimicrobials on Packaged Foods
(2014-12-15)This paper presents the effect of polymer concentration on the release of fungicidal antimicrobial (AM) agent to prolonging the shelf life of packaged food. This project aimed to produce and test AM films with varying ...
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Improving the Wear Resistance of Barite Mining Tools
(2014-12-15)Wearing of mining tools leads to high replacement costs, machine downtime and loss of business opportunities. This work was however, aimed at improving the wear resistance of AISI 1065 and 1070 proeutectoid steels used for ...
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Fracture Mechanics Approach for the Maintenance of Offshore Oil and Gas Pipeline
(2014-12-15)Failure of offshore oil and gas pipelines occurs under certain conditions due to some applied mechanical forces. These conditions constitute a potential threat to the integrity of in-service life span of the pipelines ...
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Prodigiosin Encapsulated Poly Lactide-Co-Glycolide (PLGA)- Coated Stent for Coronary Cardiovascular Interventions
(2014-12-15)This research focuses on the design of a robust but flexible prodigiosin eluting stent coating for possible coronary cardiovascular implant. When coated with the drug embedded polymer matrix, the stent would be expected ...
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Corrosion Behavior of Epoxy (SIGMALINE) Coated X65 Steel in some Selected Corrosive Media
(2014-12-15)Like any industry, the economic success of the oil and gas industry can be no swifter than its success in corrosion control/prevention. Some oil and gas industries operate in hostile offshore environment that harbors ...
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Cell Surface Interaction on a Multi - Scale
(2014-12-15)The increasing rate of cancer patients worldwide, and especially Africa has led to numerous efforts to battle it. One approach to this has been localized drug delivery to reduce the quantity of drugs needed for therapeutic ...
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Investigation of Cement Mortar and Steel used in Reinforced Concrete in Nigeria
(2014-12-15)The study explores the investigation of the chemical composition, microstructure and mechanical properties of steel and cement mortar used in reinforced concrete. The compositions and mechanical properties of the locally ...
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Corrosion Behaviour of Low Carbon Steel used in Oil and Gas aboveground Storage Tanks
(2014-12-15)The cost and losses associated with corrosion annually is approximately $ 276 billion or 3.1% of the GDP in the USA, 3 - 4% of GNP in Australia, Great Britain, Japan and other countries. The associated cost and losses ...