Browsing Theses and Dissertations by Title
Now showing items 174-193 of 514
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Effects of Bending on the Optoelectronic Properties and Failure Mechanism in Organic Photovoltaics
(2011-12-15)This research investigates the effects of bending on the electrical, optical, structural and mechanical properties of flexible organic photovoltaic (OPV) cells. Bulk heterojunction organic solar cells were fabricated on ...
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Effects of Cassava-Leaf-Enhanced Carbonitriding on Case-Hardening of Barite Mining Tools
(2017-12-12)This study presents the results of an experimental study of the effects of cassava leaves carbonitriding on the microstructure, hardness and abrasive wear behaviour of AISI 1065 and AISI 1070 steels used for barite mining ...
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Effects of Fiscal Systems on Reserves Recognition and Investment Metrics
(2019-06-23)Petroleum reserves are affected either negatively or positively by the type of fiscal system and elements governing them. Governments, investors, policymakers, and other stakeholders have from the past been a victim of the ...
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Effects of Near Wellbore and Reservoir Fluid Compositional Changes on Condensate Banking
(2017-12-12)Gas condensate reservoirs are initially discovered as single-phase gas reservoirs. As the reservoir is produced below the fluid dew-point pressure, an increase in condensate saturation in the near wellbore region occur ...
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Effects of Non-Darcy Flow on The Impairment of Gas Condensate Wells
(AUST, 2017-12-10)Gas condensate reservoirs are initially discovered as single-phase gas reservoirs. As the reservoir is produced below the fluid dew-point pressure, an increase in condensate saturation in the near wellbore region occur ...
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Effects of Partial Completion on Productivity Index
(2011-12-12)A new method for analysing productivity index (PI) on vertical wells is the main objective of this study. Well performance is often measured in terms of the well’s productivity which is dependent on a number of factors ...
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Effects of Pressure, Bending and Annealing Temperature on the Mechanical and Optoelectronic Properties of Perovskite Solar Cells
(AUST, 2022-01-05)The increasing needs for clean and sustainable energy stimulate the growing interest in photovoltaic (PV) technology using organic-inorganic hybrid perovskite materials. However, perovskite solar cells (PSCs) are faced ...
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Effects of Prodigiosin on Breast Cancer Cell Viability
(2016-07-22)The Luteinizing Hormone-releasing Hormone (LHRH); also known as a Gonadotropin-Releasing Hormone can be utilized for targeted therapy with cytotoxic analogs, in which prodigiosin is linked to the [D-Lys6] LHRH. Our studies ...
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Effects of Prodigiosin on Breast Cancer Cell Viability
(2016-07-10)The Luteinizing Hormone-releasing Hormone (LHRH); also known as a Gonadotropin-Releasing Hormone can be utilized for targeted therapy with cytotoxic analogs, in which prodigiosin is linked to the [D-Lys6] LHRH. Our studies ...
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Effects of Stretching on Flexible Organic Electronic Structures
(2011-12-15)This work presents the responses of optical properties and mechanical failure of layers of stretchable organic electronic structures under tension using analytical, simulations, and experimental techniques. The interfacial ...
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An Efficient Time Series Model for Tax Revenue Forecasting: A Case of Nigeria
(AUST, 2023-05-05)Federal government independent revenue, non-oil revenue and oil revenue are some of the different sources of money for the Nigerian government. The sources of tax revenue include Pay as You Earn (PAYE), Stamp Duty (STD), ...
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Electro-Magnetic Duality, Magnetic monopoles and Topological Insulators
(2013-05-13)The Maxwell equations of electrodynamics acquire an additional symmetry if one assumes the existence of hypothetical particles-magnetic monopoles, carrying a magnetic charge. The additional internal symmetry is the ...
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Electrochemical Performance of Coconut Coir Fibers as a Potential Source of Carbon Materials for Electrochemical Supercapacitors
(2020-04-12)This work aims to investigate the use of coconut coir fibre as a potential source of carbon for supercapacitor electrode materials. The chemical activation process was adopted using KOH as an activating agent. The carbonization ...
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Employing Probabilistic Matching Algorithms for Identity Management in the Telecommunication Industry
(2019-06-23)The telecommunication industry has a lot of data related to households, individuals and devices. Advertisers pay a premium to ensure they advertise to their target audience. To ensure that content is personalized, it is ...
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Engineering and Geological Investigations of Slope Stability and Rock Strength Characterization using Nanoindentation
(2021-06-15)Slope stability is of significant importance for sustainable development in mining, civil engineering, and urban planning as slope failures endanger public safety and continue to result in costly repair work. This study ...
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Enhanced Oil Recovery in High Viscous Reservoir using the Thermal Process
(2014-12-12)New sources of energy should be found to relieve the high demand of energy. Even though heavy oil and bitumen are difficult to produce due to their high viscosity which can be reduced by heating, with increased oil price, ...
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Enhancing Prediction Accuracy of a Multi-Criteria Recommender System using Adaptive Genetic Algorithm
(2017-12-12)Recommender systems are powerful intelligent systems considered to be the solution to the problems of information overload. They provide users with personalized lists of recommended items, using some machine learning ...
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Ensemble Learning for URL Phishing Detection
(AUST, 2020-07-13)Phishing is a social engineering attack that has been perpetuated for long and is still a prominent attack with an attending high number of victims. The adverse effect of this allows phishers easy access to sensitive ...
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Ensemble Learning for Url Phishing Detection
(2021-07)Phishing is a social engineering attack that has been perpetuated for long and is still a prominent attack with an attending high number of victims. The adverse effect of this allows phishers easy access to sensitive ...
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Environmental Effect of Iron Ore Mining Operations in Itakpe, Kogi State
(2016-03-15)Topsoil stripping, drilling and blasting extraction, waste rock dumping, loading, and unloading, crushing and screening, and materials transport are among other activities involved in iron ore mining. These activities ...