Browsing University of Waterloo by Title
Now showing items 5208-5227 of 18727
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The Effect of Solids Residence Time on Phosphorus Uptake in Co-precipitation Systems Targeting Low Phosphorus Concentrations
(University of Waterloo, 2015-04-07)Chemical phosphorus (P) removal is generally considered to be necessary when attempting to achieve ultra low P concentrations (i.e. < 50 μg/L) in wastewater treatment. However, the impact of aging of chemical solids (i.e. ... -
The Effect of Spironolactone on Cerebral Blood Flow and Cognition
(University of Waterloo, 2018-03-23)Hypertension and arterial stiffness are associated with structural and functional changes in cerebral circulation and cognitive function, but based on existing evidence the effects are potentially reversible by spironolactone ... -
The Effect of Strategic Language on Perceptions of Actions and Speakers
(University of Waterloo, 2023-07-31)Describing the actions of others (or oneself) necessitates that a speaker make linguistic choices, as multiple terms can often be used to describe the same act. The present work investigates the consequences of these ... -
Effect of Stress Triaxiality on Constitutive Response and Failure of Super Vacuum Die Cast AM60B Magnesium Alloy
(University of Waterloo, 2015-01-13)The effect of stress triaxiality on failure strain of as-cast magnesium alloy AM60B is examined. Experiments were performed on one uniaxial tension, two notched tension, and one near-biaxial hemispherical dome sample ... -
Effect of Suboptimal Temperature on Endogenous Antigen Presentation in Two Fish Species, Oncorhynchus mykiss and Sander vitreus
(University of Waterloo, 2019-04-30)Winter months and the increasing frequency and magnitude of extreme low temperature events, occurring as a result of global climate change, subject teleosts such as rainbow trout and walleye to suboptimal temperatures, ... -
Effect of Substrate Concentration and Loading and Catalyst Type on the Performance of a Microbial Fuel Cell
(University of Waterloo, 2009-12-14)The microbial fuel cell (MFC) is an innovative renewable energy technology that also serves to treat wastewater through the bacteria-driven oxidation of organic substrates. The liquid anolyte contains the organic substrate ... -
The Effect of Surface and Loading Conditions on the Corrosion Performance of Stainless Steel Rebar
(University of Waterloo, 2009-01-22)Deterioration of reinforced concrete structures due primarily to chloride induced corrosion of plain carbon-steel reinforcement is a widespread problem, particularly in areas close to marine environments and where de-icing ... -
Effect of surface condition on resistance spot welding of advanced high strength steel
(University of Waterloo, 2019-09-25)Advanced high strength automotive sheet steel (AHSS) is used in body-in-white design to reduce vehicle weight while maintaining high crashworthiness. Surface coatings applied to AHSS to protect it from oxidation and ... -
Effect of Surface State on Radiative Properties of Advanced High Strength Steel Strips
(University of Waterloo, 2021-12-23)Automotive manufacturers increasingly turn to light-weighting through galvanized advanced high strength steels (AHSS) to improve fuel efficiency and reduce pollutant emissions without compromising passenger safety. ... -
Effect of Surface Treatment on Joint Performance and Fracture Morphology in Adhesively Bonded Al-Si Coated Ultra-High Strength Steel
(University of Waterloo, 2020-06-04)The Corporate average fuel economy (CAFE) standard set by the National Highway Traffic Safety Administration (NHTSA) has prompted automotive manufacturers to produce increasingly fuel efficient vehicles. Lightweighting of ... -
The Effect of Tangible Rewards on Perceived Organizational Support
(University of Waterloo, 2005)Using survey data from 61 employees, a regression analysis was performed to measure the effects that tangible rewards have on the employees? perception of organizational support. The analysis found that when employees ... -
The Effect of Technological Innovations on Economic Activity
(University of Waterloo, 2016-05-05)In this PHD dissertation, the nature of technological shocks and their effect on economic activity are examined. The first chapter is dedicated to the analysis of general purpose technologies (GPTs) and their identification ... -
Effect of Temperature and Pressure on Surface Tension of Polystyrene in Supercritical Carbon Dioxide
(ACS Publications, 2007-02-15)The surface tension of polymers in a supercritical fluid is one of the most important physicochemical parameters in many engineering processes, such as microcellular foaming where the surface tension between a polymer melt ... -
Effect of Temperature on Lithium-Iron Phosphate Battery Performance and Plug-in Hybrid Electric Vehicle Range
(University of Waterloo, 2013-02-21)Increasing pressure from environmental, political and economic sources are driving the development of an electric vehicle powertrain. The advent of hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), ... -
Effect of the Chemical Treatment on the Inorganic Content of Kenaf Fibers and on the Performance of Kenaf-Polypropylene Composites
(University of Waterloo, 2018-10-05)Composites consisting of natural fibers and a polymer-based matrix have received considerable attention as an alternative to traditional mineral fibers such as glass-fiber. Composites containing natural fibers have the ... -
Effect of Thermal and Chemical Treatment of Soy Flour on Soy-Polypropylene Composite Properties
(University of Waterloo, 2012-05-02)Soy flour (SF), a by-product of the soybean oil extraction processing, was investigated for its application in soy-polypropylene composites for interior automotive applications. The emphasis of this work was the understanding ... -
Effect of Thermal Pretreatment on Digestibility of Thickened Waste Activated Sludge and Primary Sludge in Two-stage Anaerobic Digestion
(University of Waterloo, 2015-12-15)This study investigated the effect of high pressure thermal (HPTH) pretreatment on the biodegradability of a mixture of primary sludge (PS) and thickened waste activated sludge (TWAS) in single-and two-stage continues ... -
The Effect of Time-Varying Boundary Conditions on the Generation of Sum and Difference Frequency Tones in a Coaxial Loudspeaker
(University of Waterloo, 2009-06-22)A coaxial loudspeaker in which the woofer and tweeter oscillate at angular frequencies ω_1 and ω_2 respectively, is known to produce sum and difference frequencies ω_± = ω_1 ± ω_2. The generation of these can be attributed ... -
Effect of Topography, Stiffness and Biochemicals on Neuronal Differentiation
(University of Waterloo, 2022-02-18)The mechanical and biochemical modifications of the hydrogel substrates play an essential role in tissue engineering research and neurodegenerative therapies. Topography, stiffness, and biochemicals are known to have ... -
The effect of transcranial direct current stimulation on contrast sensitivity and visual evoked potential amplitude in adults with amblyopia
(Springer Nature, 2016-01-14)Amblyopia is a neurodevelopmental disorder of vision that occurs when the visual cortex receives decorrelated inputs from the two eyes during an early critical period of development. Amblyopic eyes are subject to suppression ...