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2016 — Effects of Interfaces and Interactions between Multiphase Flow and Solid on Engineering StructuresAbstract
Phenomena involving interactions between liquids and solids are widely observed in natural and industrial applications. Interactions between different phases of fluids and solid structures have great importance in engineering applications such as aircraft and submarine designs, multiphase liquid flow analyses, aerodynamics, vehicle dynamics and in the fields of aeronautic, civil and mechanical engineering. The research in this dissertation focuses on numerical investigations of the effects of liquid-solid interactions on structures found in engineering systems and the nonlinear dynamic behaviors involved. The effects of liquid sloshing on a container mounted on a carrier are studied from an equivalent mechanical model of … Read more
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2022 — Fear of Terrorism and Attitudes Toward Terrorists in a Sample of University Students in a Western Canadian CityAbstract
Terrorism can be broadly defined as “the intentional use of, or threat to use, violence against civilians or against civilian targets, in order to attain political aims” (Ganor, 2002: 294). Without a doubt, terrorism provokes deep fear and insecurity. The fear of terrorism has now become one of the major global issues. In fact, civilians and noncombatants are becoming the major targets of terrorism groups to reshape the political order. The purpose of the present study is to explore fear of terrorism and punitive attitudes toward terrorism in a sample of university students. In terms of research methodology, a convenience … Read more
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2015 — High-Resolution Regional Climate Downscaling and Probabilistic Projection for Impact Assessment – A Canadian Case StudyAbstract
Human-induced climate change has been regarded as one of the most pressing issues around the world because it often leads to severe, widespread, and irreversible consequences. Assessing the potential impacts of climate change is essential and critical for developing appropriate mitigation and adaptation strategies against the changing climate. In this research, a series of approaches and methodologies have been proposed for dealing with the challenges in climate change impact assessment due to the lack of highresolution climate projections and the difficulty in quantifying the uncertainties associated with future climate projections. The proposed approaches and methodologies have been applied to the … Read more
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2014 — Commutative Differential Graded Algebra with LatticesAbstract
We define an invariant called the “commutative differential graded algebra with lattice” of a topological space X. The commutative differential graded algebra with lattice encodes the information of rational homotopy type of X and the “lattice structure of X”. We compute the quasi-isomorphism classes of several commutative differential graded algebra with lattices. Moreover, we define an integral Sullivan model. And we prove that, under some conditions, a commutative differential graded algebra with lattice has an integral Sullivan model. i Read more
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2016 — A Dynamic Stage-Based Fraud Monitoring Framework for Multiple Live AuctionsAbstract
In this thesis, a new approach to monitoring live auction frauds is proposed. Monitor- ing progressing auctions for fraudulent bidding activities is becoming crucial in order to detect and stop fraud on time, so fraudsters will not succeed. For this purpose, we introduce a generic stage-based framework to monitor multiple live auctions for In-Auction Fraud. Creating a stage-based runtime fraud monitoring service is sub- stantially di erent than the very limited studies that have been proposed on runtime fraud detection. More precisely, we launch the fraud monitoring operation at several time points in each running auction depending on its duration. … Read more
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2024 — Geochemical modeling of diagenesis, hydrothermal alteration, and unconformity-related uranium mineralization in the Athabasca Basin, Saskatchewan, CanadaAbstract
Unconformity-related uranium (URU) deposits in the Athabasca Basin were interpreted to have formed through interactions between oxidizing basinal fluids and reducing basement-derived fluids or basement lithologies under diagenetic-hydrothermal conditions. However, there is controversy regarding whether U is ultimately derived from the basin or the basement, fluid flow mechanisms responsible for metal leaching and transport, and deposition mechanisms of ores. This study uses geochemical modeling to: 1) determine fluid flow patterns responsible for U leaching and transport in the Athabasca basin; 2) recognize critical factors controlling ore deposition near the unconformity intersected by basement faults; and 3) constrain metal sources, fluid … Read more
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2020 — A Study of Compaction and Cementation of Sandstones in the Athabasca Basin, Northern Saskatchewan, Canada, and Implications for Uniformity-related Uranium MineralizationAbstract
The Athabasca Basin hosts numerous high-grade unconformity-related uranium (URU) deposits, which typically occur near the unconformity between the metamorphosed basement and the quartzose sedimentary rocks. Previous studies have generally agreed upon a diagenetic-hydrothermal model in which the URU mineralization occurred at elevated temperature (>200℃) and deep-burial (5-7 km) conditions under normal geothermal conditions. However, a recent study invoked that the URU mineralization may have occurred at a relatively shallow burial depth (<3 km) and alternatively interpreted elevated temperatures (>200℃) throughout the basin as the result of higher-than-normal thermal gradient, which may be associated with deep-seated geodynamic processes. In consideration of this debate, this study investigated …</3> Read more
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2012 — The diabetic patient software agent.Abstract
The purpose of this thesis is to develop an agent-based simulation model of a diabetic patient‟s blood glucose levels in which the efficiency of various treatment strategies can be evaluated in a micro scope. A further aim is to establish a multi-agent system of evaluating the healthcare system response under various scenarios of healthcare policies in a macro scope. A framework is endeavoured to be constructed in order to extend its applications into other diseases. The incidence of Type 2 diabetes mellitus is reaching epidemic proportions in the world in recent times. On one hand, the disease can result in … Read more
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2015 — Optimal Residential Demand Response under Dynamic Pricing in a Multi-Agent FrameworkAbstract
Demand response (DR) is a recent effort to improve efficiency of the electricity market and the stability of the power system. A successful DR implementation relies on both appropriate policy design and enabling technology. Real-time pricing (RTP) and time of use (TOU) have been identified as two important DR policies to motivate residential customers to participate in DR programs. An efficient residential DR model should implement heterogeneous residential load forecasting, multi-criteria optimization (e.g., objectives for individual homes, utilities and aggregations of them) and intelligent distributed algorithms to evaluate the complex and large-scale power systems. This thesis presents a multi-agent system … Read more
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2020 — Evaluation of the Automated Speed Enforcement Program of the City of ReginaAbstract
The Government of Saskatchewan launched the Automated Speed Enforcement Program in the province of Saskatchewan, aiming to reduce the driving speed at some of the highrisk locations, and, hence, to improve road safety. The program is focused on some high speeding violation and high collision locations on the Highway network, as well as some of the high-risk collision school zone locations in Regina, Saskatoon, and Moose Jaw. The objective of this study is to evaluate the impact of the Automated Speed Enforcement Program on the school zones—not only on collisions in the school zones, but also speed changes at the … Read more
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2019 — Flow Mechanisms and Transient Pressure Analysis Study For Multi-Stage Fractured Horizontal Wells In Shale Gas ReservoirsAbstract
Compared with conventional natural gas resources, shale gas reservoir, as a typical unconventional natural gas resource, has the characteristics of low porosity and low permeability. Therefore, the fractured horizontal well technology has been widely used in shale gas reservoir development. At the same time, more and more attention has been paid to the study of seepage mechanism. At present, conventional research on the seepage theory of fracturing horizontal wells in shale gas reservoirs are not very systematic, and the comprehensive consideration of adsorption, desorption and diffusion in the seepage model, especially in the linear flow model, is rarely given. Comprehensive … Read more
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2024 — A security risk assessment framework for IoT systemsAbstract
The emergence and growth of the Internet of Things (IoT) have changed how we live and interact with technology. The seamless integration of connected devices, from household to industrial equipment, has brought about a new era of interconnectedness. However, this rapid expansion of the IoT also introduces new security concerns that need to be assessed. Assessing the security risks associated with deploying and using this technology is crucial. Consequently, organizations need a risk assessment framework that helps identify, evaluate, and manage the risks of IoT, including data privacy and confidentiality, system integrity, availability, and performance. The stateof- the-art has been … Read more
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2020 — Public Expression of First Nations Protest in Canada's SixtiesAbstract
Much of the literature about modern First Nations activism in Canada has left the impression that it began, in earnest, in protest of the federal government’s controversial 1969 White Paper. As a result, several significant and well-publicized expressions of First Nations protest in the preceding decade, have been widely ignored. This thesis explores the growth and diversification of First Nations protest, from the eve of the sixties, through the White Paper backlash, to demonstrate how the groundwork for future activism, was laid amid the political foment of the sixties. It chronicles Six Nations’ Declarations of Independence from Canada; the heated … Read more
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2013 — Rural Water Governance in the Saskatchewan Portion of the Palliser Triangle: An Assessment of the Applicability of the Predominant ParadigmsAbstract
This thesis describes the paradigmatic forms of water governance and management employed by town and country communities, irrigation districts, regional pipeline systems and private water management systems in the Saskatchewan portion of the Palliser Triangle. It demonstrates that the trajectory of water policy development affecting the region since 2002, when the province developed its Safe Drinking Water Strategy, has reflected the influence of the market-based paradigm within the province’s water governance policy community. The application of policy measures that conform to the principles of the market-based water governance paradigm have failed to consistently produce the beneficial outcomes predicted by the … Read more
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2011 — Dosimetric Characterization of a Waveguide-Based Exposure System for Laboratory Studies with Unrestrained Mice at 1.9 GHZAbstract
It is essential for research on the biological effects of radiofrequency (RF) electromagnetic energy to be conducted using well-characterized exposure systems in order to ensure the reliability of research outcomes. Realizing this importance, a waveguide-based in vivo exposure system was developed at the Consumer and Clinical Radiation Protection Bureau of Health Canada for conducting laboratory studies with live mice exposed to RF electromagnetic energy. This thesis presents the important aspects and dosimetric characterization evaluation of the developed exposure system. The Health Canada in vivo exposure system consists of four identical cylindrical waveguide chambers, each with a plastic cage for housing … Read more
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2017 — Relativity: Synchresis in Art and Applied ScienceAbstract
This critical engagement paper outlines the technical details and theoretical support for my Masters of Fine Arts final project titled Relativity. This project explores philosophies of perception through associations between art and science within an interdisciplinary study of sound art and expanded cinema. These theories are developed through an interpretation of quantized, binary systems in their relationship to natural, continuous forms. The study of relativity is seen a method to reconcile binary positions in thinking, to cross boundaries between art and science, and to serve as a metaphor for hidden knowledges and a movement from polarities to spectrum states of … Read more
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2023 — NHL draft gem mining: Use of the impact score to find Successful NHL playersAbstract
Less than 48% of NHL Draftees play in a single NHL game (Wilson, 2016). This percentage further decreases when looking at the players selected after the first round of the draft (Tingling et al., 2011). The objective of this study was to determine if the impact score can accurately predict NHL success for forwards and defensemen selected after the first round, when it comes to games played and points scored. The impact score is a percentage analytic that I created, that measures the player’s points per game total relative to the points scored by their teammates. Data was collected using … Read more
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2024 — Regina Lawn Bowling Club Open-source Accessibility ProjectAbstract
This critical engagement paper supports and documents an interdisciplinary project, integrating maker culture, people-centered design, and community-based research to address key issues identified by the members of the Regina Lawn Bowling Club (RLBC) community, including concerns around the ability of the aging members to continue participating in the sport, potential for addressing social isolation, and other concerns related to health and wellness. The questions guiding my creative research were: (1) How could integrating maker culture, people-centered design, and community-based research address identified concerns by the RLBC such as isolation, engagement, and accessibility to continue play and social involvement?; and (2) … Read more
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2022 — "A Grip and a Dream": Voices of Older Carribean Immigrant Women in Saskatchewan, CanadaAbstract
This hermeneutic phenomenological study integrates transnational feminism to describe the lived experiences of older Caribbean immigrant women living in Saskatchewan, who immigrated to Canada in early adulthood in the 1960s to1980s. A purposive and snowball recruitment method was used to select ten female participants that were interviewed. The participants' ages range from 65 to 83 years. To assess the impact of social relationships on aging and quality of life this study used in-depth, individual, and semi-structured interviews for data collection. The data collected were audio-taped followed by the transcription and data analysis. Field notes and reflexivity were documented to assist … Read more
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2024 — A serving of empathyAbstract
A Serving of Empathy, my MFA graduating exhibition at the Fifth Parallel Gallery at the University of Regina (June 10–21, 2024), consists of two bodies of work. Potent Moments (2024) is a collection of sixteen ceramic plates exploring the lives of young people at moments of crisis, transition, and suspense. Fragments of Memory (2022) is a suite of ten conjoined ceramic plates that depict my mother’s train journey from Regina to Victoria in 1950 when she was fifteen. The plates are displayed on the gallery walls at eye-level. In addition, “Carousel of Innocence,” an interactive work set on a low … Read more
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2012 — Studies and Prevention of Carbon Steel Corrosion and Solvent Degradation During Amine-Based CO2 Capture from Industrial Gas StreamsAbstract
This research is focused on simultaneous inhibition of carbon steel (1020) corrosion and oxidative monoethanolamine (MEA) degradation in a carbon dioxide (CO2) capture process from simulated post-combustion coal-fired flue gas, where components typically present in the flue gas partly contribute to such problems. Therefore, in this work, various additives were selected to study in the effects of flue gas composition on both carbon steel (1020) corrosion and oxidative MEA degradation. Sodium chloride (NaCl), ferrous chloride (FeCl2), and hydrochloric acid (HCl) were selected to represent different sources of chlorides in the flue gas. Sulphurous acid (H2SO3), sulphuric acid (H2SO4), and nitric … Read more
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2018 — Becoming Deaf in the Posthuman Era: Posthumanism, Arts-Based Research and Deaf EducationAbstract
In this dissertation, I explore posthumanism as a possible paradigm shift for deaf education which is presently mired in binarized thinking concerning language choices. The ontologies, epistemologies, research methodologies and pedagogy associated with posthumanism propose a radical shift in thinking about what it means to educate deaf adolescents who struggle to acquire English as an additional language whom I teach in a small resource room program contained within a high school in a midwestern Canadian city. Posthumanist onto-epistemology proposes a shift from anthropocentrism to a posthumanism that emphasizes multiple and shifting relationships between animals, plants, humans, and the earth. Here, … Read more
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2018 — Inside Game: Embodying Resilience and Resistance through CapoeiraAbstract
This critical support paper outlines a background, as well as the theoretical and methodological considerations for my thesis performance, Inside Game. The title is taken from a common phrase used in capoeira as a creative, Brazilian martial art, and resistance form: one needs to have a good "inside game" by not backing away from one’s opponent, but instead by staying as physically close to them as possible. I borrowed this phrase to represent a capoeira value along with a reference to the 'inside game' of my own thoughts and personal history represented in this project. Capoeira provides the movement, musical, … Read more
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2024 — Da-SeinAbstract
DA-SEIN, my MFA Thesis Project, explores the vessel as a conceptual container, which helps ideas of the self or lived experience become tangible. At the center of the project is my 'lived experience' as a woman, a single mother, a human being, as connected to phenomenology and feminist research inquiries. The terms ‘lived experience’ and ‘container’ are foundationally drawn from Ursula Le Guin’s essay “The Carrier Bag Theory of Fiction.” My MFA project includes four distinct works, which are exhibited in conversation with each other. The metaphoric and metamorphic cocoon-like structures in the piece Hüllen [hulls] are the focal point … Read more
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2013 — Enhancement of Solubilization and Sorption Behaviors of Polycyclic Aromatic Hydrocarbons Through Involvement of Gemini Surfactants in Soil-Water SystemsAbstract
Contamination of soil, sediment and water by polycyclic aromatic hydrocarbons (PAHs) has been recognized as a major, widespread, environmental waste concern. As a consequence, surfactant enhanced remediation (SER) has emerged as a promising technology for the removal of toxic PAHs. Gemini surfactants as a new generation of surfactants have structures and properties that are unique to the world of surfactants, such as greater efficiency in reducing surface tension and unusual aggregation morphologies in comparison with conventional surfactants. They have generated a growing interest owing to their superior performance in soil and water remediation applications. In this research, systematic studies have … Read more
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2018 — Outliers Detection of Temporal Gene Expressions Under Multiple ConditionsAbstract
Temporal gene expression data have been studied and applied in biological, biomedical studies and early cancer detection. A set of temporal gene expression data in bacteria shows that the gene expression has different patterns under different biological conditions. The datasets are treated as functional data in this study, and the goal of my search is to detect outliers based on functional data theory. Then, we can identify the biological conditions that produce outliers and provide valuable information for biologists to find treatment to the bacteria. The datasets with 21 genes in P. Aeruginosa expressed in 24 biological conditions have been … Read more
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2014 — Effect of Whey Protein and High-Volume Resistance Training on Muscle Mass and Strength in Postmenopausal WomenAbstract
The purpose was to examine the combined effects of whey protein supplementation and high-volume resistance training (HVRT) on muscle mass and strength in healthy postmenopausal women. Postmenopausal women (n=12, age: 57 ± 4.3 years, weight: 72 ± 13.4 kg, height: 163 ± 5.7 cm, body mass index: 27 ± 5.4) consumed whey protein (40 grams) or placebo immediately following unilateral resistance training 2 days per week (Monday, Thursday) and consumed the opposite beverage after training the other side of the body on alternating days (Tuesday, Friday) for 10 weeks. For training, participants performed 3 sets at 30% baseline 1-repetition maximum … Read more