Browsing PhD Theses by Title
Now showing items 31-50 of 53
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Iterative Algorithms and Existence Theorems for Solutions of Nonlinear Equations in Banach Spaces.
(AUST, 2013-11-05)Let E be a q-uniformly smooth real Banach space and D be a nonempty, open and convex subset of E. Assume that T : D → CB(D) is a multi valued continuous (with respect to the Hausdorff metric), bounded and pseudo-contractive ...
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Iterative Algorithms for Single-Valued and Multi-Valued Nonexpansive-Type Mappings in Real Lebesgue Spaces
(2015-07-15)Algorithms for single-valued and multi-valued nonexpansive-type mappings have continued to attract a lot of attentions because of their remarkable utility and wide applicability in modern mathematics and other reasearch ...
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Iterative Algorithms for Split Equality Fixed Point Problems and Some Non-Linear Problems in Banach Spaces With Applications
(AUST, 2019-06-06)Let H1, H2, and H3 be real Hilbert spaces, T and S be non-linear maps defined on H1 and H2, respectively, and with non-empty fixed point sets, F ix(T) and F ix(S), respectively, A and B be linear maps respectively mapping ...
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Laser Induced Heating of Polymer Nanocomposites for Hyperthermia in the Treatment of Triple Negative Breast Cancer
(AUST, 2022-07-02)The work presents the results of an experimental and computational study of the effects of laser-induced heating provided by magnetite polymer-based nanocomposite structures that are being developed for the localized ...
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Layered Composite thin Films for Cost Effective Transparent Organic Solar Cell Electrodes
(2015-08-20)In this dissertation two main themes are explored. In the first part some phenomenologies of light transport across the ZnO/Al/ZnO (ZAZ) thin film multilayer structures are investigated. The multilayered ZAZ thin film ...
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Machine Learning Techniques for Malaria Incidence and Tuberculosis Prediction
(AUST, 2021-07-02)This research proposes machine learning techniques to develop models that would facilitate decision-making in health informatics. It focuses on using efficient machine learning techniques to solve the pressing need in the ...
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Mechanical Properties of Natural Fiber-Reinforced Earth-Based Composites
(2015-11-23)This study presents the results of a combined experimental and theoretical study of the strength, fracture toughness and interfacial properties of natural fiber-reinforced earth-based composite materials. The composites, ...
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A Model Driven Engineering Framework for Healthcare Systems Management
(AUST, 2017-12-05)Traditional mathematical methods such as differential equations formalism have been used for centuries as the main tools for analysis of complex systems in varied areas. As opposed to the general solutions provided by ...
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Nano and Micro-Particles for Breast Cancer Detection and Treatment
(2015-03-15)This dissertation shows the use of material science and engineering approaches in developing solutions to problems in the life science with focus in nano and micro-particles for the detection and treatment of cancer. It ...
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New Frontiers for Solar Cells and Light Emitting Devices
(AUST, 2017-02-05)Solar energy, with its abundance and availability, would ultimately replace dwindling fossil fuel reserves in this new era of cleaner and more efficient energy as the world surges on to new technologies and horizons. This ...
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On the Effect of Surface Texture and Nanoscale Surface Oxides on the Optical and Mechanical Properties of Silicon Single Crystals and MEMS Thin films
(2015-11-15)This dissertation presents the combined results of analytical, computational and experimental study of the effects of surface texture and nanoscale surface oxides on the optical and mechanical properties of silicon single ...
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Optimization of Fabrication Processes of Non Halide Pb Precursor Based Perovskite Solar Cells
(2021-03-12)The organic-inorganic halide perovskite solar cells have continued to attract serious research interest since the first introduction as solar light absorber by Miyasaka and co-workers with a power conversion efficiency ...
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Optimization of Niobium-Tantalum Recovery from Typical Rwanda and Nigerian Columbite-Tantalite Ores
(AUST, 2022-09-04)Niobium and tantalum are transition metals with a refractory character and unique properties that make them highly indispensable to the high-technologies and clean-energy. The metals are normally extracted from minerals ...
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Polymer-Based Drug Delivery Systems for the Targeted and Controlled Release of Cancer Drugs in Triple-Negative Breast Cancer (TNBC) Treatment
(AUST, 2021-09-05)Cancer is a disease that exists globally. Among women, breast cancer is most prevalent. Breast cancer exhibits different degrees of aggressiveness. Triple-Negative Breast Cancer (TNBC), which accounts for approximately ...
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Pressure-Assisted Fabrication of Organic Light Emitting Devices
(2015-06-15)This dissertation presents an overview of the research work with the above caption. This research is divided into five major sections or parts. Part one deals with interfacial adhesion studies of the layers relevant to ...
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Processing of Composite Carbon Materials and Solid Electrolytes for Supercapicitor Energy Storage
(AUST, 2022-02-02)These research works presents the results of a combined theoretical, experimental and statistical study of processing of composite carbon materials and solid electrolytes for supercapacitor energy storage The need for ...
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Structure and Properties of Organic and Inorganic Composites Materials: From Organic Photovoltaic Cells to Aerospace Materials
(AUST, 2017-11-15)Pressure and contacts in materials and systems play crucial roles in their performance and also their eventual failures. Pressure application closes voids, bridges gaps and improves transport across interfaces. In thin ...
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Suitability of Nigerian Barites for Drilling Mud Production and Sustainability of Artisanal and Small Scale Mining (Asm) of Barites In Nigeria
(2021-06-23)The aim of this dissertation is to contribute to efforts towards increasing the use of Nigerian barites in drilling mud production and other industrial applications. In order to achieve the above objectives, three projects ...
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Synthesis and Characterisation of Extruded Alkali Activated Earth-Based Composites for Sustainable Building Construction
(2019-09-22)Alkali activation is a rapidly developing area in the global materials research and development community. It is based on alkali aluminosilicate chemistry with primary focus on the activation of solid aluminosilicate ...
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Towards a Unifying Framework for Engineering Devs Distributions Simulation
(AUST, 2017-12-10)Simulation engineering employs the use of simulation models, simulation environments, and simulation execution platforms in providing applicable Modeling and Simulation (M&S) solutions for studying complex systems. Discrete ...