Browsing Theses and Dissertations(library) by Title
Now showing items 2586-2605 of 6459
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First-generation College Students: A Comparison Of Graduates And Drop-outs
(Sociology, 2011-10-11)With an increase in the number of students who are considered at-risk, much research has been directed at understanding why these students fail to achieve at the same level of their White counterparts. To this end, this ... -
FIRST-PRINCIPLES STUDIES OF THE LOW DIMENSIONAL TRANSITION METAL OXIDES
(2019-08-08)Transition metal oxides have drawn lots of attention from experimental and theoretical research due to their unique physical and chemical properties. Among them, the semiconducting α-Fe2O3 and TiO2 has been investigated ... -
First-principles Studies On N-type And P-type Doping In Cuprous Oxide
(Materials Science & Engineering, 2012)We have performed studies on n-type and p-type cuprous oxide with and without doping by first principles methods. Generalized Gradient Approximation (GGA) is used for the geometry optimization. The total energy and the ... -
FIRST-PRINCIPLES STUDIES ON THE PIEZOELECTRICITY AND FERROELECTRICITY OF KNN RELATED MATERIALS
(2020-08-13)Nowadays, with the increasing environmental concerns, K1-xNaxNbO3 (KNN)-based materials have gained enormous interest and attention as one of the most promising lead-free piezoelectric materials because of their excellent ... -
A First-principles Study On Bulk CuO: Electronic Structures And Native Point Defects
(Physics, 2007-08-23)In this thesis, we have performed a first-principles study on strongly correlated monoclinic cupric oxide (CuO) by using the LSDA+U method implemented in the PAW method. Based on the optimized structural parameters, which ... -
First-principles Study On Hard/soft SmCo5/Co(Fe) Nanocomposite Magnetic Materials
(Physics, 2008-09-17)More than a decade ago, exchange-spring permanent magnets containing soft and hard magnetic phases have been proposed to enlarge maximum energy product values through exchange coupling between the magnetically soft and ... -
A First-principles Study On The Enhancement Of Beryllium Doping In Gallium Nitride
(Physics, 2007-08-23)The excellent physical and electrical properties of Gallium Nitride (GaN) have made it a good candidate in light-emitting diodes and UV detecting semiconductor materials. However, GaN's p-type doping has long been a ... -
FISH WORTH FIGHTING FOR: THE STRUGGLE FOR CONTROL OF THE NEWFOUNDLAND FISHERIES (1500-1800)
(2021-05-13)The Atlantic cod that swam in the Grand Banks and along the coasts of Newfoundland played a significant role in the British Empire. The Newfoundland fisheries that developed following European exploration of the region in ... -
FITTING B-SPLINES CURVES TO COARSE DATA CLOUD USING MODIFIED SQUARED DISTANCE MINIMIZATION METHOD
(2016-08-22)Additive manufacturing has made us realize that we can fabricate complex shapes that were difficult to manufacture with subtractive processes. Topology optimizations results have complex shapes and have rough surfaces which ... -
Fixed Wing Aircraft Collision Avoidance Using Collision Cone Theory
(2022-08-12)This thesis develops the guidance and control components of an aircraft collision avoidance system, using a collision cone-based approach. These guidance and control laws are developed by considering the nonlinear relative ... -
Flash Crowd Mitigation System
(Computer Science & Engineering, 2007-09-17)Flash crowd means that a web server suffers a sudden surge of traffic since a large number of Internet users access the web server simultaneously. Once a flash crowd occurs in a web server, the response rate for the HTTP ... -
FLEXIBLE ELECTROCHEMICAL SENSORS BASED ON IRIDIUM OXIDE FOR BIOMEDICAL APPLICATIONS
(2019-08-16)Considering the disadvantages of the costly, laborious, and time-consuming traditional clinical analyses, there is a tendency of developing non-hospital point-of-care which allows patients to monitor their health conditions ... -
Flexible MEMS Sensors And Pyroelectric Thin Films
MEMS sensors on flexible substrates were developed and fabricated utilizing conventional lithography, deposition and etching tools. All of these sensors were fabricated in a MESA structure on the flexible substrates for ... -
Flexible Microfluidic Circuit With Embedded In-plane Valve
(Mechanical Engineering, 2007-09-17)Recent developments in Microfluidic systems have demonstrated many potential applications related to biology, chemistry and medical sciences. Fluidic manipulation with precise volume control is a basic function in these ... -
FLEXIBLE pH SENSOR FOR SMART SENSING
(2019-11-15)pH level of biofluid is crucial in understanding physiological health. Commercial glass electrode pH sensors are bulky and cannot provide real time data. In this study, a novel miniature pH sensor capable of continuous ... -
FLEXIBLE-CONTINUUM ROBOT FOR BLADDER TISSUE DIAGNOSTICS
(2017-09-14)The aim of this thesis is to investigate and develop a robotic system capable of a transurethral palpation of any targeted area on the bladder interior wall tissue to determine the biomechanical properties of the tissue ... -
Flexural Behavior of Preflex SFRC-Encased Steel Joist Composite Beams
(2019-05-06)This research investigates the behavior of encased steel composite beams within steel fiber reinforced concrete (SFRC) in straight and preflex beams, using nonlinear analysis. ABAQUS FEA software has been adopted. Composite ... -
Flexural Behavior Of Steel Fiber Reinforced Prestressed Concrete Beams And Double Punch Test For Fiber Reinforced Concrete
(Civil & Environmental Engineering, 2012-07-25)Steel fibers have widely been used in the past to reinforce brittle materials in many nonstructural applications such as pavement, tunneling lining, etc. On the basis of numerous previous studies, ACI 318-11 [2011] has ... -
Flexural Load Capacity of Heat-Treated Concrete Mixed with Recycled Glass Aggregate and Glass Pozzolan
(2020-05-28)This research focuses on determining the effects of adding glass aggregate and glass pozzolan to concrete that has been exposed to high temperatures. Previous work, based on finding the recommended proportions of recycled ... -
FLEXURAL STRENGTHENING OF TWO-WAY SLABS USING CFRP EXTERNAL LAMINATES
(2021-05-07)Deterioration of reinforced concrete structures with time is a common phenomenon, which often leads to reduction in the load carrying capacity. To meet the coding requirements, strengthening of these structures is of utmost ...