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2024 — Cliques in block graphs of designs and orthogonal arraysRésumé
The Erdos-Ko-Rado [EKR] Theorem for intersecting families is a fundamental result in combinatorics, particularly in extremal set theory. This theorem not only establishes an upper bound on the size of the largest intersecting family but also characterizes the families that attain this bound—–these are known as maximal canonically intersecting. Recent work by Balogh, Das, Delcourt, Liu, and Sharifzadeh delves into intersecting families across permutations, hypergraphs, and vector spaces, revealing that nearly all such families within these structures are a subset of a maximal canonically intersecting family [1]. Building on these insights, this thesis extends the examination to block graphs of … Lire la suite
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2019 — SoLID Heavy Gas Cherenkov and DEMP Event GeneratorRésumé
The future Solenoidal Large Intensity Device (SoLID) at Jefferson Lab will enable a new series of high luminosity, large acceptance, fixed angle experiments [1]. These include the proposed Semi-Inclusive Deep Inelastic Scattering (SIDIS) series of experiments [2][3][4]. The requirements of one of the SIDIS experiments coincides with those for a measurement of the transverse nucleon, single-spin asymmetries Asin(µφ+λφS) UT , in particular, the largest two, Asin(φ−φS) UT and Asin(φS) UT. These asymmetries are of high value to the study of Generalized Parton Distributions (GPDs), as they are believed to be highly sensitive to the most poorly known GPD, ~E. As … Lire la suite
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2012 — Implementing an Improved Activated Sludge Model into Modeling SoftwareRésumé
Wastewater treatment modeling software is commonly used to aid in the design and operation of wastewater treatment facilities. This modeling software commonly utilizes activated sludge models that predict bacterial growth based on the Monod equation, which has a number of limitations. These limitations restrict the accuracy of the software and could lead to higher costs due to the overdesign of a wastewater treatment plant. An improved activated sludge model (IASM) was developed by Xu (2010) to address some of the problems associated with the Monod equation. In this study, the IASM is implemented into commercially available wastewater treatment modeling software. … Lire la suite
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2023 — The administrative process that created All Nations Healing Hospital: From policy to practiceRésumé
The All Nations Healing Hospital (ANHH) is a unique medical facility with integrated health services. This facility is situated in Fort Qu’Appelle, in the Qu’Appelle Valley, on land where Treaty 4 was signed. The region consists of many First Nations communities, rural municipalities, as well as many lakes that attract people to the region. These features create a large catchment area for the ANHH to serve and combine to form a unique facility built within a unique historical context. The ANHH consists of Traditional First Nations holistic healing services and the Western medical models co-existing under one roof. The First … Lire la suite
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2019 — An experimental study of nanoparticle-assisted waterflooding in a heavy oil reservoirRésumé
Over the past decade, nanoparticles (NPs) have been tested to assist waterflooding (WF) for enhanced oil recovery (EOR) due to their superior physical and chemical properties. Majority of the previous studies used silicon oxides (SiO2) coated with polyethylene glycol or silane and other metallic oxides as NPs. In this study, a nanofluid (NF) was first characterized in terms of its bulk and interfacial properties, which comprised NPs dispersed in an aqueous phase. Second, the NP loss in a porous medium because of adsorption was measured. Third, a series of NP-assisted WF tests were conducted to measure the heavy oil recovery … Lire la suite