Browsing Theses and Dissertations by Title
Now showing items 454-473 of 514
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Strength and Fracture of Earth-Based and Natural Fiber-Reinforced Composites
(2010-12-15)This study examined the mechanical properties of earth-based materials that are relevant to the future development of affordable housing. Earthcrete structures were produced by mixing various proportions of laterites, clay ...
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A Strong Convergence for the sum of three Monotone Operators in a Real Banach Space
(AUST, 2021-07-09)Let E be a real 2-uniformly convex Banach space with topological dual E∗. We established strong convergence for the class of variational inclusion for the sum of three monotone operators. More over, we give a variant of ...
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A Strong Convergence Theorem for Zeros of Bounded Maximal Monotone Mappings in Banach Spaces with Applications
(2016-06-07)Let E be a uniformly convex and uniformly smooth real Banach space and E ∗ be its dual. Let A : E → 2 E be a bounded maximal monotone map. Assume that A −1 (0) 6 = ∅. A new iterative sequence is constructed which converges ...
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Structural and electronic properties of a two-dimensional hybrid system of graphene and hexagonal boron nitride: A first-principles study
(AUST, 2019-06-02)Despite the excellent properties of graphene, graphene based electronic devices are yet to be realized, one of the reason for such is the absence of band gap in graphene. Due to its large band gap, hexagonal boron nitride ...
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Structural and Mechanical Properties of Termite Soil as a Partial Replacement to Cement
(2016-03-22)Materials selection is done regarding to the availability, cost and performance of the candidates. In buildings, cement is the material that is widely used, even though it is releases co2 (estimated about 7% of the worldwide ...
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Structural, Electronic and Optical Properties of Cu 2 Sns 3 Solar Absorber: A First-Principle Density Functional Theory Investigation
(2019-06-23)The development of inexpensive, non-toxic, high efficiency and earth-abundant solar absorbers is critical for terawatt scale implementation of photovoltaics. Cu 2 SnS 3 is a promising earth abundant absorber material that ...
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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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Studies of the Chemical Vapor Deposition Method of Generating Graphene
(2009-12-15)Since the pioneering report of the discovery of graphene in 2004 by Novoselov et al, scientists and researchers worldwide have carried out in depth investigations in this new family of carbon because of its myriad properties ...
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Studies on Methylene Blue Dye Adsorption, using Carbonized, Activated Carbon and Magnetic Carbonized Samples from Kentucky Coffee Tree Pods
(2020-04-12)This study was carried out under various experimental conditions and rate of dye adsorption such as the solution pH, the adsorbent preparation concentration, and contact time to assess the potentiality of Kentucky coffee ...
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Study and Implementation of Wireless Sensor Networks to Manage Energy in a Smart Home
(2017-12-15)Many studies have shown that smart homes can use energy more efficiently than traditional buildings. Thus, several researchers have advocated building a smart home in order to reduce energy consumption. In the literature, ...
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Study and Implementation of Wireless Sensor Networks to Manage Energy in a Smart Home
(2017-12-09)Many studies have shown that smart homes can use energy more efficiently than traditional buildings. Thus, several researchers have advocated building a smart home in order to reduce energy consumption. In the literature, ...
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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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Study of Scalable Deep Neural Network for Wildlife Animal Recognition and Identification
(2019-06-16)Recently, deep learning techniques have been used significantly for large scale image classification targeting wildlife prediction. This research adopted a deep convolutional neural network (CNN) and proposed a deep scalable ...
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A Study of the Effect of Liquid Flow Rate, Pipe Size and Pipe Orientation on the Liquid Hold-Up Using Beggs and Brill Correlation
(2009-12-15)The effect of liquid flow rate, pipe size (diameter) and pipe orientation (inclination) on liquid hold-up was investigated. Liquid flow rate between 500 STB/day and 5000 STB/day was studied. An oil of 25 ̊API at an average ...
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A Study of the Pre-Treatment Temperature of Lignocellulosic Butanols an Alternative Fuel (BIOFUEL) Produced from Bamboo using Clostridium Acetobutylicum
(2013-05-12)Conversion of lignocellulosic biomass from bamboo (Bambusa vulgaris) to butanol is an important alternative energy source. In this work, bamboo was used as biomass feedstock for the production of butanol by the fermentation ...
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Substitutional and vacancy defects in two-dimensional AlSb: A first principle approach
(2019-07-22)AlSb is a semiconductor material which exist in 3D as well as 2D regimes. AlSb have a high electron mobility which is useful for application in high speed electronic devices. AlSb has potential applications in radiation ...
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Substitutional and vacancy defects in two-dimensional AlSb: A first principle approach
(2019-07-23)AlSb is a semiconductor material which exist in 3D as well as 2D regimes. AlSb have a high electron mobility which is useful for application in high speed electronic devices. AlSb has potential applications in radiation ...
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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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Surface Modification of Polymeric Biomaterials for Cell/Tissue Integration
(2016-06-17)This thesis presented the surface modification of polydimethyl siloxane (PDMS) to enhance surface wettability and surface roughness. Physical and chemical modifications were performed on cured surfaces of PDMS and PDMS-based ...
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Surface Morphology and Mechanical Characterization of MoO3/PEDOT:PSS Blend Thin Films For Organic Solar Cells and Light Emitting Diode Applications
(AUST, 2022-09-07)Access to cheap and reliable electricity is a requirement for improved quality of life and industrialization. Solar energy harvesting for electricity generation has been a promising area where solar cells are combined into ...