Browsing University of Waterloo by Title
Now showing items 4877-4896 of 18993
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Double Layer Formation and Cation Pseudo-Intercalation Supercapacitor Carbon Nanotube Composite Electrodes With Enhanced Electrochemical Performances
(University of Waterloo, 2015-01-16)Among electrochemical energy storage solutions, redox-free supercapacitors exhibit the highest power densities and best cycle life, easily reaching over one million cycles. Despite these attributes, Li-ion batteries are ... -
Double-pulse Model for the Study of Red-shifted Spectrum in Multi-frequency Raman Generation
(University of Waterloo, 2023-09-25)Multi-frequency Raman Generation (MRG) is a promising technique for generating few-femtosecond to sub-femtosecond pulses with high energy conversion efficiency. During transient MRG experiments coupled with two chirped ... -
Double-Sided Arc Welding of AA5182 Aluminum Tailor Welded Blanks
(University of Waterloo, 2008-06-20)Increasing regulatory pressure to reduce fuel consumption of new vehicles has prompted the automotive industry to seek ways to reduce the weight of their automobiles. The use of steel tailor welded blanks has been successful ... -
Double-Sided Arc Welding of AA5182 Sheet in the Lap-Joint Configuration
(University of Waterloo, 2011-01-25)Automakers are increasingly using aluminum for structural applications in order to reduce vehicle weight and improve fuel efficiency. However, aluminum bodied cars have largely been confined to lower-volume, niche markets ... -
Double-Sided Arc Welding of AZ31B Magnesium Alloy Sheet
(University of Waterloo, 2013-06-14)Magnesium alloys are of interest to the automotive industry because of their high specific strength and potential to reduce vehicle weight and fuel consumption. In order to incorporate more magnesium components into ... -
Doubling and Desire
(University of Waterloo, 2010-05-19)This thesis proposes that an investigation into the phenomenon of doubling may engage architecture with a type of desire that has deep rooted connections with the complexities of human nature, with the very human condition ... -
Downscaling Coarse Resolution Satellite Passive Microwave SWE Estimates
(University of Waterloo, 2020-05-26)The spatio-temporal heterogeneity of seasonal snow and its impact on socio-economic and environmental functionality make accurate, real-time estimates of snow water equivalent (SWE) important for hydrological and climatological ... -
The Downside of Building Up: An Exploration into the Psychological and Physiological Impacts of Exposure to High-Rise Buildings
(University of Waterloo, 2020-11-17)Cities are densifying at a rapid rate and, accordingly, are constructing high-rise buildings to accommodate more people. The aim of this dissertation was to quantify the physiological and psychological impacts of being in ... -
Downstream Bioprocess Development for a Scalable Production of Pharmaceutical-grade Plasmid DNA
(University of Waterloo, 2011-08-31)The potential application of a hydrogel-based strong anion-exchange (Q) membrane to purify plasmid DNAs was evaluated. The maximum binding capacity of plasmid DNA was estimated to be 12.4 mg/ml of membrane volume with a ... -
Downtown Revitalization Strategies in Ontario's Mid-Sized Cities: A Web-Survey and Case Study
(University of Waterloo, 2010-04-27)This study and research was conducted to understand the myriad tools utilized as part of downtown revitalization plans, strategies or efforts in Ontario’s mid-sized cities, what impacts municipalities are seeking in their ... -
Downtown Revitalization: The Hamilton Experience
(University of Waterloo, 2016-04-11)Abstract The role and function of downtowns have changed over time. Traditionally, downtowns were the social and economic hubs of a city. Downtown decline has been attributed to many interrelated factors including the ... -
Dowsing for Math Answers: Exploring MathCQA with a Math-aware Search Engine
(University of Waterloo, 2021-11-09)Solving math problems can be challenging. It is so challenging that one might wish to seek insights from the internet, looking for related references to understand more about the problems. Even more, one might wish to ... -
DP-Select: Improving Utility and Privacy in Tabular Data Synthesis with Differentially Private Generative Adversarial Networks and Differentially Private Selection
(University of Waterloo, 2023-05-29)This thesis proposes DP-Select, a novel approach to tabular data synthesis that combines DP-GAN and differentially private selection. We develop a mutual information-based selection method that is flexible and scalable for ... -
DPQP: A D-representation-based Pipelined Factorized Query Processor for Graph Database Management Systems
(University of Waterloo, 2021-12-17)Factorized databases utilize factorized data representations during query processing to obtain more compact final query results and faster runtimes for queries with many-to-many joins. We revisit this technique in the ... -
DProvSQL: Accuracy-Aware Privacy Provenance Framework for Differentially Private SQL Engine
(University of Waterloo, 2022-08-26)Recent years have witnessed the adoption of differential privacy (DP) in practical database query systems. Such systems, like PrivateSQL and FLEX, allow data analysts to query sensitive data while providing a rigorous and ... -
DRACA: Decision-support for Root Cause Analysis and Change Impact Analysis
(University of Waterloo, 2009-12-23)Most companies relying on an Information Technology (IT) system for their daily operations heavily invest in its maintenance. Tools that monitor network traffic, record anomalies and keep track of the changes that occur ... -
Drag Queens and Farting Preachers: American Televangelism, Participatory Media, and Unfaithful Fandoms
(University of Waterloo, 2015-07-14)Studies of religion and fandom have generally considered sincere devotion a fundamental point of contact between the two cultural phenomena, an assumption not reflected in fan studies proper. This dissertation aims to ... -
Drag Reduction in Pipeline by Polymer-Surfactant and Polymer-Polymer Mixtures
(University of Waterloo, 2015-10-30)Extensive researches have been conducted to investigate into the drag reduction behavior of the polymer-surfactant mixture and the polymer-polymer mixture. The drag reduction effect of PAM (polyacrylamide), PEO (polyethylene ... -
Drag Reduction with the Aid of Air Bubbles and Additives
(University of Waterloo, 2009-08-21)The effect of additives on friction loss in upward turbulent flow was investigated in this experimental study. Additives such as air bubbles, frother and polymer were added to water flow to study their influence on the ... -
Drawing Accuracy, Quality and Expertise
(University of Waterloo, 2012-11-20)Drawing from a still-life is a complex visuomotor task. Nevertheless, experts depict three-dimensional subjects convincingly with two-dimensional images. Drawing research has previously been limited by its general dependence ...