Browsing Theses by Title
Now showing items 15129-15148 of 15599
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Utilization of Biorenewable Polymers for Functional Applications
(University of Waterloo, 2020-04-30)The need to transition to more sustainable and renewable technology has resulted in a focus on the two bio-renewable polymers, cellulose and lignin. Cellulose nanocrystals (CNCs) and lignin can be the materials of the ... -
Utilization of Cellulosic Materials by Caldicellulosiruptor species
(University of Waterloo, 2012-01-11)Caldicellulosiruptor is a genus of thermophilic, anaerobic, Gram-positive, non-spore-forming cellulolytic bacteria and is capable of fermenting a wide spectrum of carbohydrates. Both Caldicellulosiruptor saccharolyticus ... -
Utilization of Cellulosic Materials by Thermotoga petrophila
(University of Waterloo, 2011-12-08)Thermotoga petrophila is a hyperthermophilic anaerobic bacterium that grows optimally at 80° C. It can utilize plant biomass to produce biofuels, including ethanol and hydrogen, which are alternative and renewable sources ... -
Utilization of Industrial Waste Alloy as An Alternative to Micron-Al in Energetic Applications
(University of Waterloo, 2024-01-22)Aluminum-enhanced solid propellant is one of the most commonly used propellants people have ever developed. It is cost-effective, simple to store and handle, and energetic for thrust production due to the extremely high ... -
Utilization of Predictive Analytics & Constrained Metaheuristics to Achieve Optimal Operation of a Liquid-fueled Industrial Process Heater
(University of Waterloo, 2015-05-11)The operation of industrial combustion devices to improve fuel efficiency and reduce emissions, is necessary in many respects. Increasingly stringent environmental regulations and the present volatility of the price of ... -
Utilization of Soft Matter as a Structure Directing Agent for the SYnthesis of Nanostructured Materials
(University of Waterloo, 2015-01-19)Sol-gel methods combined with the adaptive structuring properties of soft matter, have been used to create templates and synthesize mesoporous materials or nanoparticles from them. For example, micelles formed with non-ionic ... -
Utilizing Channel State Information for Enhancement of Wireless Communication Systems
(University of Waterloo, 2007-10-25)One of the fundamental limitations of mobile radio communications is their time-varying fading channel. This thesis addresses the efficient use of channel state information to improve the communication systems, with a ... -
Utilizing Construction Safety Leading and Lagging Indicators to Measure Project Safety Performance: a case study
(University of Waterloo, 2018-07-10)Background Construction accounts for 22% of all workplace fatalities in Ontario (Association of Workers' Compensation Boards of Canada, 2015), although construction only accounts for 7% of Ontario’s workforce (Statistics ... -
Utilizing Indigenous Conservation in Canada to Strengthen Contributions to Environmental Targets and Reconciliation Goals
(University of Waterloo, 2023-04-27)Indigenous-based conservation provides enhanced safeguarding techniques and hands-on stewardship over lands, waters, and ice, resulting in numerous environmental welfare and reconciliation processes that can be applied to ... -
Utilizing the Canadian Long-Term Pavement Performance (C-LTPP) Database for Asphalt Dynamic Modulus Prediction
(University of Waterloo, 2013-04-05)In 2007, the Mechanistic-Empirical Pavement Design Guide (MEPDG) was successfully approved as the new American Association of State Highway and Transportation Officials (AASHTO) pavement design standard (Von Quintus et ... -
Utilizing ‘Power-to-Gas’ Technology for Storing Energy and to Optimize the Synergy between Environmental Obligations and Economical Requirements
(University of Waterloo, 2017-06-05)This work develops a generalized modeling framework using several approaches for assessing the feasibility of storing energy in order to demonstrate the economic and environmental benefits of managing the existing power ... -
Utopie und utopische Motive in Thorsten Beckers Schönes Deutschland
(University of Waterloo, 2010-08-16)Thorsten Becker’s novel Schönes Deutschland appeared in 1996, six years after German reunification. Numerous people in both eastern and western Germany had hopes for a golden future in which the two Germanies would become ... -
UWB Radio-over-Fiber System Using Direct Modulated VCSEL
(University of Waterloo, 2007-09-06)The demand for efficient and cost-effective transmission and distribution of RF signal is increasing with the rapid development of wireless communication. This thesis studies the effect of using cost-effective vertical ... -
Vaccinating pregnant women: Exploring midwive’s perspectives regarding vaccination in pregnancy in the Waterloo-Wellington Region.
(University of Waterloo, 2018-05-25)Background: Within the Canadian context midwives play a crucial role in providing prenatal care for pregnant women and this encompasses vaccine recommendations. Although administration of vaccines is outside midwives’ scope ... -
Vacuum and Optical Designs for an Open-access Trapped Ion Quantum Processor
(University of Waterloo, 2020-09-21)This thesis focuses on the design of a vacuum system for a trapped ion quantum computer that will house an advanced ion chip trap from Sandia National Laboratories, capable of performing high fidelity operations on up to ... -
Vacuum Brazing of Carbon Nanotube Strands
(University of Waterloo, 2009-08-28)Carbon nanotubes (CNTs) discovered at 1991 have attracted great interest for applications in Nano-Electro-Mechanical-Systems (NEMS). However, the search for methods to join CNTs with metallic parts has been a worldwide ... -
Vacuum Energy in Expanding Spacetime and Superoscillation - Induced Resonance
(University of Waterloo, 2008-05-20)This thesis is divided into two parts. The first part is a study of the general problem of vacuum energy or so-called `zero point fluctuations' of a quantum field on expanding spacetimes and the interplay between the ... -
Vadose zone flow patterns and their implications for sodium transport and aquifer recharge in a reclaimed fen watershed in the Athabasca Oil Sands Region, Alberta, Canada
(University of Waterloo, 2021-06-02)The reclaimed Nikanotee Fen watershed consists of an upland tailings sand aquifer, capped with a finer soil cover (LFH-mineral mix, or LFH) to support vegetation, that supplies groundwater to a low-lying fen peatland. ... -
Vadose Zone Response to Pumping in Unconfined Aquifers
(University of Waterloo, 2011-09-30)The interaction between drainage from the variably saturated zone above the water table, and the response of an unconfined aquifer to pumping has been the source of debate for many decades. While various field tests (Nwankwor ... -
Validating a Global Measure of Severity in Children with Chronic Conditions
(University of Waterloo, 2019-04-25)Background: Approximately 20% of children live with a chronic physical condition, such as asthma, epilepsy, or diabetes. These conditions place considerable burden on children, their families, clinicians, and the health ...