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- 5Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
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- 1Research Impact Canada/Knowledge Mobilization Funding 2020
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A techno-economic assessment of hydrogen production from hydropower in western Canada for the upgrading of bitumen from oil sands
Download2016-01-01
Olateju, Babatunde, Kumar, Amit
The demand for hydrogen in conventional and unconventional oil refining industries is considerable. Currently, the predominant source of hydrogen is from fossil fuel production pathways, in particular, steam methane reforming (SMR), which incurs a significant greenhouse gas (GHG) emissions...
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A Techno-Economic Assessment of Sustainable Large Scale Hydrogen Production from Renewable and Non-Renewable Sources
DownloadFall 2016
In recent times, the imperative to mitigate greenhouse gas (GHG) emissions that emanate from a multitude of sectors in the global energy economy has achieved unprecedented and widespread consensus. Depending on the energy resource and method used to produce hydrogen, it offers a compelling...
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Current uptake of 15N –labeled ammonium and nitrate in flooded and non-flooded black spruce and tamarack seedlings.
Download2009
Macdonald, S. Ellen, Islam, M. Anisul
We investigated the effects of flooding for three weeks on physiological responses and uptake of NH4+ and NO3- by black spruce (Picea mariana (Mill.) BSP.) and tamarack (Larix laricina (Du Roi) K. Koch) seedlings fertilized with labeled (15NH4)2SO4 or K15NO3 in a growth chamber experiment....
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Fall 2023
This dissertation consists of three essays spanning various fields, including energy economics, labor economics, development economics, and regulation. As many jurisdictions worldwide shift towards low-carbon energy sources, energy producers, consumers, and policymakers face new challenges. The...
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First-principles calculations of equilibrium nitrogen isotope fractionations among aqueous ammonium, silicate minerals and salts
Download2021-03-15
Li, Yonghui, Li, Long, Wu, Zhongqing
Nitrogen isotopes are a robust tool to study geological nitrogen cycle between Earth’s reservoirs. However, the application of nitrogen isotope system to understanding geological processes has been limited by the lack of constraints on equilibrium isotope fractionation factors between mineral and...
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2019-06-01
The Mekong River, flowing 4909 KM through China, Myanmar, Thailand, Lao People’s Democratic Republic, Cambodia and Vietnam, is one of the greatest river systems in the world. It has great productivity and seasonal variation that provides rich biodiversity for over 60 million people living in the...
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Nitrogen isotope fractionations among gaseous and aqueous NH4+, NH3, N2, and metal-ammine complexes: Theoretical calculations and applications
Download2021-02-15
Li, Long, He, Yuyang, Zhang, Zhe, Liu, Yun
Ammonium (NH4+), ammonia (NH3) and N2 are key nitrogen species in geological nitrogen recycling. NH3 has also been proposed to play an important role in mobilizing base metals in the form of metal-ammine complexes in hydrothermal fluids. The nitrogen isotope fractionation factors among these...
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Spring 2016
The development of hydropower facilities greatly affects the morphology of regional water resources, as well as the physical, chemical and biological factors of upstream aquatic ecosystems. Evaluating the environmental impacts of hydropower operations is important in a regulatory context. Of...
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Fall 2013
Glomus cells of the carotid body are peripheral chemoreceptors that detect changes in arterial oxygen levels. Hypoxia suppresses oxygen-sensitive K+ channels in glomus cells, resulting in cytosolic Ca2+ ([Ca2+]i) elevation in glomus cells via the activation of voltage-gated Ca2+ channels. The...
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Respiration, Acid/Base, Ammonia and Ionoregulatory Strategies in the Pacific hagfish (Eptatretus stoutii)
DownloadFall 2016
Hagfish feed on putrefied carrion, which poses several environmental challenges to the scavenger including hypoxia (Low PO2), hypercapnia (high PCO2) and high environmental ammonia (HEA). To any other organism, these conditions would be physiologically challenging; however, hagfish seem to have...