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Fall 2022
Canada’s forests are experiencing unprecedented pest and pathogen outbreaks; such instances are expected to increase under predicted climate change scenarios. A host’s ability to mount an effective defense response against pest and pathogen antagonists is dependent on recognition of the...
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Fall 2022
Vector field data are becoming increasingly more common in several fields of signal processing, such as electrical engineering and geophysics. Processing vector-valued signals, however, has imposed a series of challenges on its practitioners. Many approaches can be taken to carry out vector field...
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Catalysts of Change: The Company of Young Canadians and its Involvement with Indigenous Peoples in Western Canada, 1964-1974
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Several programs initiated during the 1960s were intended to address poverty in Canada through community development and mobilizing youth; some of these were federal, some provincial and some were private/locally designed programs. The Company of Young Canadians (CYC) was one of these. It was...
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Fall 2022
The application of dissolvable materials is becoming widely used in hydraulic fracturing, especially in low permeability reservoirs. To date, most of the DAs are based on Al alloys (AAs) or Mg alloys, which offer desirable dissolvability, yet limited mechanical properties. This work aims to...
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Impact of Farming Practices on Soil Bacterial Community Composition, Diversity, and Interactions in the Main Agricultural Regions of Alberta
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Soil health refers to “the capacity of soil to function as a vital living system”, implying not only the capacity of soil to providing services of human interest, but also its capacity to provide ecological services, which makes ecosystems sustainable for the long term. The assessment of soil...
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Roles of extracellular polymeric substances on the fate of antibiotic resistance genes in anaerobic digestion of thermally hydrolyzed sewage sludge
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Antibiotic-related contaminants have recently been detected globally in natural and engineered ecosystems. Due to high concentrations of residual antibiotics in wastewater and organic feedstocks used for anaerobic digestion (AD), wastewater treatment plants (WWTPs) and sludge are substantial...
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The influence of social determinants of health and the built environment on the weight status of preschoolers in Alberta
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Background Underweight, overweight, and obesity in early childhood can compromise health over the life course. Underweight, an indicator of undernutrition, can lead to higher morbidity, restricted growth, and delayed development. Overweight and obesity can lead to health conditions such as...
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Locomotion-related propriospinal V3 interneurons modulate sensory-transmission to motoneurons by generating primary afferent depolarization
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Proprioceptive sensory-evoked reflexes are essential in assisting the precision of basic movements and maintenance of body postures. The motor outputs from these reflexes are precisely calibrated to avoid interfering with the ongoing motor functions. After spinal cord injury (SCI), reflexes...
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Spring 2022
This thesis focuses on the manufacturing of high carbide content wear-resistant parts by extrusion- based Additive Manufacturing (AM) based on the principles of Powder Metallurgy (PM). A new manufacturing technique, termed Fused Filament Fabrication of Cermets (FFFC) is presented. First, particle...
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Reuse of Flowback and Produced Water: The Effects of Treatment Process on Tight-Rock Wettability and Selective Removal of Problematic ions for Stability of Friction Reducers
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Oil and gas industry have faced significant operational, economic, and environmental challenges in recycling produced water. The treatment of produced water is highly researched, but few studies have evaluated the performance of treated produced water when used for hydraulic fracturing and...