Browsing University of Waterloo by Title
Now showing items 9640-9659 of 18804
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Investigation of the Efficacy of in situ Degradation Methods for Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonic Acid (PFOS) in Groundwater
(University of Waterloo, 2018-01-17)Per- and polyfluoroalkyl substances (PFASs) are a group of emerging contaminants that include perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS). PFASs can be released into groundwater through the ... -
Investigation of the Electronic Structure and Magnetic Properties of CeO2-X
(University of Waterloo, 2023-09-19)In literature, it has been reported that undoped CeO2 exhibits a room-temperature ferromagnetic-like ordering that does not follow Curie-type behaviour, typically found in magnetic materials. However, none of the proposed ... -
Investigation of the Impact of Mixing Intensity on Dissolved Oxygen Half Velocity Constants in a Sidestream Deammonification Environment
(University of Waterloo, 2017-12-18)The liquid waste (centrate) from the dewatering stage in the solids treatment stream (sidestream) of a wastewater treatment plant is typically rich in ammonium. If this centrate is recycled to the wastewater treatment ... -
Investigation of the Impacts of Thermal Activated Sludge Pretreatment and Development of a Pretreatment Model
(University of Waterloo, 2012-12-03)Waste activated sludge (WAS) pretreatment technologies are typically evaluated in terms of the associated improvement in biogas and sludge production during digestion and post-digestion dewaterability. However, WAS ... -
Investigation of the Interaction of Particulate Matter with the Gas Diffusion Layer
(University of Waterloo, 2017-06-14)Rapid global industrialization has resulted in an unprecedented level of energy consumption. Transportation comprises a significant portion of the demand for energy, and special attention has recently been paid to green ... -
Investigation of the Microbial Glyoxalase System
(University of Waterloo, 2011-05-19)The Glyoxalase system is composed of two metalloenzymes, Glyoxalase I and Glyoxalase II, that catalyze the conversion of toxic, metabolically produced alpha-ketoaldehydes, such as methyglyoxal, in the presence of a thiol ... -
Investigation of the Optical Properties of Nanostructured Transparent Conducting Oxides
(University of Waterloo, 2013-04-30)Transparent conducting oxides (TCOs) usually have high conductivity and transparency in the visible range and have been widely used in daily life. Recently, TCOs have attracted great interest due to their potential ... -
Investigation of the Performance of an Anaerobic Membrane Bioreactor in the Treatment of Mixed Municipal Sludge Under Ambient, Mesophilic and Thermophilic Operating Conditions
(University of Waterloo, 2016-02-18)Anaerobic membrane bioreactors (AnMBRs) may provide a sustainable treatment technology for the digestion of mixed municipal sludge based on their ability to achieve elevated volatile solids (VS) conversion and a net ... -
Investigation of the Presence of a G-quadruplex In the Hoechst Dye Binding DNA Aptamer
(University of Waterloo, 2022-04-22)Aptamers are nucleic acid sequences that have been selected to bind to a ligand with high affinity and selectivity. Aptamers have great potential for use in various biotechnological and medical applications but understanding ... -
An Investigation of the Public Health Informatics Research and Practice in the Past Fifteen Years from 2000 to 2014: A Scoping Review in MEDLINE
(University of Waterloo, 2015-12-23)Objective: To examine the extent and nature of existing Public Health Informatics (PHI) studies in the past 15 years on MEDLINE. Methods: This thesis adopted the scientific scoping review methodology recommended by Arksey ... -
An Investigation of the Relationship between Crime and Reported Incidents and the Built and Natural Environment in the Region of Waterloo, Ontario
(University of Waterloo, 2017-05-30)In the study of crime and geography, many studies have investigated the spatial relationship between crime and the built and natural environment. However, these studies usually focus on specific environmental characteristics, ... -
An Investigation of the Role of Dynamic Axial Torque on the Disc Herniation Mechanism
(University of Waterloo, 2008-08-19)Background: Disc herniations are common and have been demonstrated as one potential source of low back pain. To date epidemiological studies have found associations between lifting, lifting and twisting and twisting with ... -
Investigation of the role of Hindsight in the development of the Drosophila midgut
(University of Waterloo, 2014-02-21)The Drosophila adult midgut is maintained through the division and differentiation of a population of intestinal stem cells (ISCs) (Issigonis and Matunis, 2010). The epithelial cells of the adult midgut are derived from ... -
Investigation of the scalar variance and scalar dissipation rate in URANS and LES
(University of Waterloo, 2011-02-22)Large-eddy simulation (LES) and unsteady Reynolds-averaged Navier-Stokes (URANS) calculations have been performed to investigate the effects of different mathematical models for scalar variance and its dissipation rate as ... -
An Investigation of the Soldering and Brazing Behaviour of Mg-Mg Joints using Sn, Zn and Mg containing Filler Metals
(University of Waterloo, 2012-05-10)In order to evaluate the feasibility of forming Pure Mg – Pure Mg and Mg Alloy – Mg Alloy joints using soldering and brazing, four filler metals (Sn, Sn-9Zn, Sn-9Zn+X wt%Mg and Mg:Zn:X(Sn-9Zn)) were used at peak heating ... -
Investigation of the use of Dynamic Resistance in Adaptive Welding and Statistical Relation to Quality
(University of Waterloo, 2019-09-19)The pursuit of real time quality detection of a resistance spot weld (RSW) in the automotive industry has progressed alongside technology. With the capability of modern controllers to collect real-time data from the welding ... -
An investigation of the use of gradients in imaging, including best approximation and the Structural Similarity image quality measure
(University of Waterloo, 2023-08-18)The L^2-based mean squared error (MSE) and its variations continue to be the most widely employed metrics in image processing. This is most probably due to the fact that (1) the MSE is simple to compute and (2) it possesses ... -
Investigation of Thermo-mechanical Degradation of Polypropylene-Low Density Polyethylene Blends Exposed to Simulated Recycling
(University of Waterloo, 2020-08-26)Polypropylene (PP) and low-density polyethylene (LDPE) are among the most extensively used resins used mainly in the packaging and automotive sectors and are the largest contributor to municipal waste. Plastic waste ... -
Investigation of Thermoelectric Thallium Chalcogenides
(University of Waterloo, 2020-01-24)Thermoelectric materials have drawn extensive attention because of their potential to provide assistance in reducing the usage of fossil fuel sources and the greenhouse effect. Throughout this thesis, the purpose was to ... -
Investigation of Thorax Response and Potential for Injury in Side Impacts Using Integrated Detailed Human and Vehicle Finite-Element Models
(University of Waterloo, 2018-08-14)Car accidents are amongst the most common causes of fatalities for a younger population in developed countries and world-wide. While research using Anthropometric Test Devices (ATDs) has led to improvements in frontal ...