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Activation of Delayed and Fluid Petroleum Coke for the Adsorption and Removal of Naphthenic Acids from Oil Sands Tailings Pond Water
DownloadSpring 2011
Oil sands companies produce substantial quantities of tailings known to contain high concentrations of dissolved organic by-products. The use of petroleum coke was proposed as a potential adsorbent for organic contaminant removal from tailings pond water. Physical activation was used to create a...
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Activation of Natural Killer T cells and Dendritic cells with Caulobacter crescentus: Implications for developing tumour immunity
DownloadSpring 2013
Cancer remains a leading cause of mortality worldwide. Efforts to develop immuno-therapies to control the growth of cancer, while limiting host cell damage, have focused on targeting specific tumour associated antigens. These treatments have yielded some clinical success however; the limited...
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Activation of the calcium sensing receptor attenuates TRPV6-dependent intestinal calcium absorption
DownloadFall 2019
Plasma calcium (Ca2+) is maintained by amending the release of parathyroid hormone and through direct effects of the Ca2+ sensing receptor (CaSR) in the renal tubule. Combined, these mechanisms alter intestinal Ca2+ absorption by modulating 1,25-dihydroxy vitamin D3 production, bone resorption,...
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Active and Independent Learning in Blended Learning. An Analysis of Student Characteristics, Trace Data, and Academic Performance
DownloadSpring 2021
In Higher Education, instructors provide students with opportunities to develop essential knowledge, competencies and skills. To offer students the highest quality learning experiences, effective instructors analyze their practice, intentionally seek to identify and check their teaching...
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Spring 2011
Active flow control of a precessing jet is the focus of this work. A round jet confined by a round cavity exhibits a self-excited rotational motion, precession, for a specific range of cavity lengths. Active flow control of this unstable flow provides the ability to control near-field mixing of...
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Active heterotrophic microbial communities from polar desert soils of the Canadian High Arctic
DownloadFall 2012
Polar warming will lead to increased labile organic carbon in Arctic soils, both from the release of organic carbon stored in permafrost and increased plant production. The impact of increasing organic carbon on Arctic soil microbial community composition and activity is of great interest...