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Articles 2941 - 2970 of 74067
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Reconnaissance Investigation Of Soil-Structure Harmonics And Building Collapse Patterns In The 2024 Noto And 2016 Kumamoto Japan Earthquakes, Nathan Cole Chesnut
Reconnaissance Investigation Of Soil-Structure Harmonics And Building Collapse Patterns In The 2024 Noto And 2016 Kumamoto Japan Earthquakes, Nathan Cole Chesnut
Theses and Dissertations
This study used ambient vibration data collected during a reconnaissance mission to assess whether harmonics between structures and the underlying soil played a significant role in the pattern of buildings that collapsed in the magnitude 7.5 Noto Japan earthquake on January 1, 2024, and the magnitude 6.2 to 7.0 Kumamoto Japan earthquake series that occurred between April 14 and 16, 2016. Portable seismometers were used to measure the natural soil and structural frequencies of vibration under ambient loading at sites in Wajima, a city located on the Noto Peninsula, and in four locations in and around Kumamoto City. Soil frequency …
Improving Efficiency Of Wind Flow Modeling For Wildfire Applications Using Analytical Parameterization And Neural Networks, Laura Jane Housley
Improving Efficiency Of Wind Flow Modeling For Wildfire Applications Using Analytical Parameterization And Neural Networks, Laura Jane Housley
Theses and Dissertations
We model wind velocity fields for applications in wildfire modeling. We improve the accuracy of the mass-conserving WindNinja solver without compromising efficient temporal complexity. We consider two approaches: the parameterization method and the neural network method. In the parameterization method, we analyze eddies in the wake of obstacles by parameterizing cavity zones as inspired by the research by Kaplan & Dinar in 1996. Kaplan & Dinar parameterize cavity zones around rectangular buildings, and we approximate a continuous landscape with rectangular buildings in order to extend this parameterization to complex terrains. In the neural network method, we train a U-net CNN …
Methamphetamine Effects On The Striatal Neuroimmune System, Hillary Adelaide Wadsworth
Methamphetamine Effects On The Striatal Neuroimmune System, Hillary Adelaide Wadsworth
Theses and Dissertations
Dopamine is thought of as the reward molecule of the brain, and while it does deal with reward, it is also associated with motivation and crucial for controlled movement. There are two main dopaminergic systems in the brain, the nigrostriatal system, which originates in the substantia nigra compacta and projects dopamine into the dorsal striatum; and the mesolimbic system, which originates in the ventral tegmental area and projects dopamine into the nucleus accumbens. While the mesolimbic dopamine system deals with motivation and reward, the nigrostriatal pathway underlies movement. Microglia are the immune cells of the brain and are incredibly dynamic. …
Mythology Of Autism: Pop Culture, Rhetoric, And Vaccines, Makenzi Strate
Mythology Of Autism: Pop Culture, Rhetoric, And Vaccines, Makenzi Strate
Theses and Dissertations
Myths are stories told to provide an explanation for the unknown, reflect cultural beliefs of populations that hold them, and lack scientific evidence to support these stories. Some myths, such as the myth that vaccines cause autism, are harmful toward the groups that they target. Popularized in 1998 with the publication of the Wakefield study, the myth that vaccines cause autism continues to spread and thrive today. To understand the widespread nature and detriments of belief in harmful myths such as this, I implement mythology rhetoric to examine how celebrity Jenny McCarthy utilizes elements of myth to persuade others to …
Durability Of Lightweight Concrete Bridge Decks In Utah, Lorenzo Eusebi-Diehr
Durability Of Lightweight Concrete Bridge Decks In Utah, Lorenzo Eusebi-Diehr
Theses and Dissertations
The objectives of this research were to document and compare properties of lightweight concrete and normal-weight concrete used for construction of bridge decks and approach slabs in northern Utah. The scope of work included field and laboratory testing to characterize concrete specimens obtained from three lightweight concrete bridge deck sites and the normal-weight concrete approach slabs at one of these sites, which were recommended by the Utah Department of Transportation for evaluation, as well as laboratory testing to characterize concrete specimens obtained through previous research on lightweight and normal-weight concrete bridge decks. For field testing, a distress survey was performed …
Advancing Global Flood Inundation Mapping From Srtm To Fabdem, Taylor James Miskin
Advancing Global Flood Inundation Mapping From Srtm To Fabdem, Taylor James Miskin
Theses and Dissertations
This study evaluates how elevation and hydrography inputs influence flood extent accuracy using ARC (Automated Rating Curve), a raster-based flood inundation model. It focuses on how spatial resolution and vertical accuracy, reflecting the satellite mission from which each dataset was derived, and bare-earth processing of the DEM affect the accuracy of predicted flood extents. The assessment compares four dataset combinations--FABDEM with GEOGLOWS River Forecasting System Version 1(RFS1), FABDEM with GEOGLOWS River Forecasting System Version 2(RFS2), SRTM with RFS1, and SRTM with RFS2--across five study locations: the Suncook River in New Hampshire, North Fork Kentucky River in Kentucky, Nimishillen Creek in …
Teaching Information Synthesis In First-Year Writing: A Replication And Extension Study, Rachel M. Terry
Teaching Information Synthesis In First-Year Writing: A Replication And Extension Study, Rachel M. Terry
Theses and Dissertations
This study investigates the challenges and strategies associated with teaching information synthesis to first-year college students. Synthesis, a higher-order cognitive skill described as "knowledge-transforming," is critical for academic success and informed engagement in an information-saturated society. However, many students enter college with underdeveloped foundational reading and writing skills, compounded by declining literacy rates and the prevalence of fragmented digital content consumption. This study builds on prior research in composition, education, and information literacy to address three key questions: (1) How do students understand synthesis? (2) What strategies do students employ when attempting to synthesize information? (3) What instructional implications arise …
Language Choice And Russian Course Enrollment Among University Students, Emma Calderwood
Language Choice And Russian Course Enrollment Among University Students, Emma Calderwood
Theses and Dissertations
University Russian enrollments have been steadily declining in the United States since 2009 (MLA, 2023). No research has been done to examine student motivation for studying Russian since long before the 2022 increase in conflict between Russia and Ukraine. This study surveys two groups of students at the university level: students enrolled in BYU 101-level language classes, and students enrolled in Russian classes at six universities in the United States. The findings report that the most common reasons students choose to take university Russian classes is because they have a general interest in the language, they want to travel to …
Maximizing Germination Of Three Native Plants For Rangeland Restoration And Urban Landscapes Through Seed Enhancements, Janetta Teichert
Maximizing Germination Of Three Native Plants For Rangeland Restoration And Urban Landscapes Through Seed Enhancements, Janetta Teichert
Theses and Dissertations
Native plants offer numerous ecological benefits and opportunities for both rangeland restoration and urban landscaping, making their integration essential for building sustainable ecosystems. They enhance soil health, promote pollinator activity, increase microbial diversity, and support both wildlife and livestock, all of which contribute to overall ecosystem resilience. A promising strategy to improve the use of native plants is the application of seed enhancement technologies, which can optimize seed germination, improve seedling establishment, and enhance overall plant success in challenging environments. These post-harvest seed treatments incorporate materials that improve seed performance, often through coatings composed of binders, fillers, and active ingredients. …
Durability Of Rapid-Setting Concrete Repairs On Pavement Panels And Bridge Decks In Utah, Steven Benjamin Burdette
Durability Of Rapid-Setting Concrete Repairs On Pavement Panels And Bridge Decks In Utah, Steven Benjamin Burdette
Theses and Dissertations
The objective of this research was to evaluate the durability of rapid-setting concrete batched using volumetric concrete mixers and placed in a cold region. The scope of work included field and laboratory evaluations of rapid-setting concrete repairs on both pavement panels and bridge decks in Utah. Six sites in northern Utah were selected by Utah Department of Transportation (UDOT) personnel for evaluation. At the time of inspection, the repairs had been in service for 4 to 5 years. Field research included visual inspection, Schmidt rebound hammer testing, resistivity testing, and concrete sampling. Laboratory research included stiffness testing, compressive strength testing, …
Studying Cultural Change With Transhistorical Semantic Directions, Travis Daichi Ashby
Studying Cultural Change With Transhistorical Semantic Directions, Travis Daichi Ashby
Theses and Dissertations
This study advances the use of diachronic word embeddings in cultural sociology, contributing both methodologically and substantively. Methodologically, it synthesizes best practices for constructing semantic directions and addresses challenges arising from diachronic embeddings, including missing data and semantic drift. Substantively, it examines historical changes in schemas and conceptual metaphors related to "processing." By analyzing the changing associations between processing-related words (e.g., "raw" and "refined") and evaluative categories like authenticity, valence, and aesthetics, the study examines whether word-level changes amongst schematically-related words indicate deeper cultural shifts at the schematic level. Findings indicate a growing association between processed states and inauthenticity, a …
Inquiry-Style Planetarium Activities, Emma Rasmussen Groberg
Inquiry-Style Planetarium Activities, Emma Rasmussen Groberg
Theses and Dissertations
Introductory astronomy students often face challenges in exploring their own ideas and investigating astronomical phenomena due to the limitations of nighttime observation and weather conditions. Planetariums overcome these barriers by simulating the night sky, making it accessible during class sessions regardless of external conditions. This provides an opportunity to engage students in inquiry-based activities, where they are presented with a scenario and encouraged to use their own reasoning to reach conclusions. In this study, we implemented inquiry-based activities in PHSCS 127 using the planetarium as an investigative tool. We developed four activities designed to help students explore their ideas and …
Reconstruction Of Cad Models Into Single Trimmed Surfaces, Rebecca Rasmussen
Reconstruction Of Cad Models Into Single Trimmed Surfaces, Rebecca Rasmussen
Theses and Dissertations
Classical methods by which computer-aided design (CAD) geometries are represented for both design and analysis involve meshing. However, the current process of converting a CAD model into an analysis-suitable surface mesh for the automotive industry takes a significant amount of time and labor, results in a faceted representation of the original smooth geometry, and generates representations that are prohibitively expensive for use in high-order explicit dynamics computations. This research focuses on accurately and efficiently rebuilding given CAD surfaces or meshes, such as shell-like components of automotive vehicles, into smooth, single trimmed spline surface approximations (rather than typical piecewise-linear approximations), making …
Modeling The Kepler Systems With Multiple Transiting Planets, Daniel Kempton Jones
Modeling The Kepler Systems With Multiple Transiting Planets, Daniel Kempton Jones
Theses and Dissertations
As the study of exoplanets, planets not in our solar system, has developed, new observational constraints have illuminated the formation and evolution of planetary systems. Among these observations, the true distributions of planetary mass, radius, and density are at the forefront. NASA's Kepler Space Telescope has provided an enormous wealth of data on the exoplanet radius distribution as well as a significant fraction of mass measurements through the detection of planet-planet dynamical interactions. The best method for studying these exoplanetary systems is with a photodynamical model which combines an n-body integrator with lightcurve model to generate synthetic lightcurves. To support …
The Influence Of Leaders And Managers In Commercial Construction, Samuel F. Merrill
The Influence Of Leaders And Managers In Commercial Construction, Samuel F. Merrill
Theses and Dissertations
This research explores how the distinct traits of leadership and management influence supervisory effectiveness and employee experiences in Utah's commercial construction sector. While leadership and management are often conflated, this study draws on foundational literature that defines leadership as people-centered, visionary, and empowering. In contrast, management is characterized as results-driven, process-oriented, and focused on control. Using survey data from 95 individuals working in commercial construction, the study evaluates how supervisors with leadership or managerial characteristics are perceived by their teams. Supervisors were categorized based on observable behaviors selected by respondents, distinguishing leadership traits from managerial traits. Supervisors identified as leaders …
Reclaiming Identity: Miné Okubo's Self-Portraiture And Authorship In Citizen 13660, Caroline E. Johnson
Reclaiming Identity: Miné Okubo's Self-Portraiture And Authorship In Citizen 13660, Caroline E. Johnson
Theses and Dissertations
In this thesis, I argue that Miné Okubo's repeated self-portraiture in Citizen 13660 asserts her authority of the soul author of the text, forcing her reader to acknowledge the perspective in which the story is being told. Through the images of herself, she makes clear the fact that the story is filtered through her personal experience, rather than the widely accepted understanding that the novel is a universal story. While the written account strives for a sense of objectivity, the images of Okubo, especially when analyzed through the context of her contemporaries, including comics and photographers, shows how her work …
Assessing The Effectiveness Of Aging Techniques On Cloning Fpga-Based Configurable Ring Oscillator Pufs, Jonathan Thompson
Assessing The Effectiveness Of Aging Techniques On Cloning Fpga-Based Configurable Ring Oscillator Pufs, Jonathan Thompson
Theses and Dissertations
Field Programmable Gate Arrays (FPGAs) are reconfigurable devices that are used in industries that often require increased security. Physically unclonable functions (PUFs) are a security primitive used on FPGAs for device authentication and key generation. However, the output of a PUF can be susceptible to changes in the environment, such as voltage and temperature, as well as changes in device performance that occur due to transistor aging. Previous work has shown that it is possible to induce targeted accelerated aging in order to intentionally change a PUF response, even to the point of cloning one PUF to behave like another. …
Organismal Classification And The Phylogenetic Tree: Improving Its Teaching Using Decision-Based Learning, Melissa Cavan
Organismal Classification And The Phylogenetic Tree: Improving Its Teaching Using Decision-Based Learning, Melissa Cavan
Theses and Dissertations
For a lot of students, learning biology is like learning a new language. There are new terms and concepts that a lot of new students have never heard of. Evolution is the cornerstone for understanding biology, yet it is one of the more misunderstood topics. In combination with learning new terms and concepts some students come in with preconceived ideas about evolution or misunderstandings about how evolution and the phylogenetic tree work. The research indicates instructors attempting active learning techniques to increase understanding of the phylogenetic tree with mixed results, where there appears to be some improvement but nothing significant. …
Prime Factors Of The Third Cyclotomic Polynomial Of The Same Form And Inequalities Related To Odd Perfect Numbers, Cody Stenberg Hansen
Prime Factors Of The Third Cyclotomic Polynomial Of The Same Form And Inequalities Related To Odd Perfect Numbers, Cody Stenberg Hansen
Theses and Dissertations
This thesis relates some results about odd perfect numbers and factorizations of cyclotomic polynomials evaluated on integers. In Chapter 2 we parameterize solutions to the equality $\Phi_3(x)=\Phi_3(a_1)\Phi_3(a_2)\cdots\Phi_3(a_n)$, where $x,a_i\in \Z_{>0}$ for $1\leq i\leq n$, $\Phi_3$ is the third cyclotomic polynomial, and each $\Phi_3(a_i)$ is prime, in the cases that $n=2,3,4,5$. Let $N$ be an odd perfect number. Let $\omega(N)$ be the number of distinct prime factors of $N$ and let $\Omega(N)$ be the total number (counting multiplicity) of prime factors of $N$. In Chapter 3, we use a result from Chapter 2 to show that $\frac{99}{37}\omega(N) - \frac{187}{37} \leq …
"The Things I Hate": Romans 7 And The Construction Of Self, Nicole Francis
"The Things I Hate": Romans 7 And The Construction Of Self, Nicole Francis
Theses and Dissertations
The construction of the self has been a central topic of discussion throughout Graeco-Roman history and continues to shape modern theoretical debate. This paper situates Paul’s construction of self in Romans 7 within these ongoing conversations, engaging both ancient and modern perspectives. While many scholars have written books on the topic of the Hellenistic and Roman constructions of self that include thinkers such as Plato, Aristotle, Cicero, Seneca, Epictetus, and others, none of these extant works have explored Paul’s contribution to this discourse. Acknowledging the historical interests and the academic conversations about the historical Paul, this paper seeks to add …
"The Truth Of Our Historic Encounter": Curating Networks Of The Past In Colson Whitehead's The Underground Railroad, Holden O. D'Evegnee
"The Truth Of Our Historic Encounter": Curating Networks Of The Past In Colson Whitehead's The Underground Railroad, Holden O. D'Evegnee
Theses and Dissertations
What unites the critical response to Colson Whitehead's 2016 novel The Underground Railroad is universal interest in the text's attitude towards historical truth. I contend that critics fixate so much on the issue of truth that they miss how the novel offers an alternative to historic truth in the form of an aesthetic encounter. During her employment as a "living exhibit" in North Carolina's Museum of Natural Wonders, protagonist Cora despairs at the apparent absence of truth. Despite the overt manipulation of history to justify white imperialism in the museum, Cora experiences a transcendent moment of refuge when she works …
Longitudinal Analysis Of Evergreen Forest Cover Dynamics In The Great Salt Lake Basin: A Landsat-Based Stochastic Classification Approach And Comparative Assessment With The National Land Cover Dataset, Kaleb Markert
Theses and Dissertations
This dissertation presents an investigation into the changes of evergreen forest cover within the Great Salt Lake Basin and its implications for regional water resources. Utilizing a Random Forest Classifier (RFC) model trained on Landsat imagery, this research developed a methodology to map and track changes in evergreen forest coverage over the period from 1984 to 2019. The initial phase of this study focused on the development of model trained within the Bear Lake sub-basin, demonstrating the feasibility of the method for analysis of coniferous coverage. The model incorporated summer and winter Normalized Difference Vegetation Index (NDVI) to enhance the …
The Value Of Alternative Credentials To Earners And Employers, Daniel O. Young
The Value Of Alternative Credentials To Earners And Employers, Daniel O. Young
Theses and Dissertations
Between the rising cost of education and the oft-mentioned skills gap, current and potential students are pursuing alternatives to expensive 4-year degrees. This has contributed to the rapid rise of alternative credentials over the past 10 years. However, these alternatives still struggle with public awareness, questions of validity, and familiarity and acceptance by employers. This dissertation focuses on understanding the research surrounding alternative credentials and specifically looks at whether those credentials have perceived or actual value for gaining or improving an individual's career. To better understand this topic, I looked to the literature for context, and used data gathered from …
Genetic Regulation Of Anthocyanin Biosynthesis In Flower Color In Gilia, Veronica Mosquera
Genetic Regulation Of Anthocyanin Biosynthesis In Flower Color In Gilia, Veronica Mosquera
Theses and Dissertations
Gilia was the model species in this research to study the genetic regulation of flower color. I generated an F2 population from a cross of two closely related leafy-stemmed Gilia: G. capitata with blue and G. yorkii with white flowers, to obtain the fertile F1, which was selfed. The F2 population showed a segregation ratio between pigmented versus white flowers 3:1, suggesting a single locus with a major effect on the regulation of flower color. Then, the G. yorkii genome was assembled and annotated to become the reference genome to genotype-by-sequencing (GBS) 189 F2 individuals. The Quantitative Trait Loci (QTL) …
Modeling Differential Expression In Scrna-Seq Data With A Difference Of Two Negative Binomial Distributions, Alicia Petrany
Modeling Differential Expression In Scrna-Seq Data With A Difference Of Two Negative Binomial Distributions, Alicia Petrany
Theses and Dissertations
Single cell RNA sequencing (scRNA-seq) is a powerful high throughput sequencing technology that quantifies the transcriptome at a single cell resolution. Differential expression (DE) analysis is a key scRNA-seq analysis task that identifies genes with statistically significant expression changes in response to biological stimuli. Existing DE methods inherently attempt to determine whether two sets of negative binomially distributed read counts are significantly different but lack exact testing strategies to do so. This work introduces a novel theoretical distribution, the Difference of Two Negative Binomial Distributions (DOTNB), and implements it within DEGage, an R package for DE analysis. Benchmarking DEGage against …
Differential Binding Of Host Cell Proteins By Vpr Mutant R77q Compared With Wild Type Vpr, Madison C. Wagley
Differential Binding Of Host Cell Proteins By Vpr Mutant R77q Compared With Wild Type Vpr, Madison C. Wagley
Theses and Dissertations
HIV Viral protein R (Vpr) is a multifunctional accessory protein which plays a role in nuclear import of the pre-integration complex, transactivation of HIV LTR promoter, cell cycle arrest, and apoptosis during HIV infection. R77Q is an HIV Vpr mutant which is associated with long-term non-progressor phenotypes, and which has previously been connected to higher levels of apoptosis compared to wild type Vpr in vitro. There are observable differences in host binding partners with HIV Vpr between wild type and R77Q strains as shown via coimmunoprecipitation and mass spectrometry. In one run R77Q samples showed binding to histone 1.2, 1.3, …
A Novel Approach To Detect Shapes Of Constant Width, Ian D. Monk
A Novel Approach To Detect Shapes Of Constant Width, Ian D. Monk
Theses and Dissertations
Bodies of constant width have been studied mathematically since Euler and have found various applications in engineering and other areas. In this paper, we seek to develop novel tools to gain deeper insights into these shapes and to better be able to analyze them. The idea which motivates the development in this paper is as follows: a body has constant width if and only if the chord connecting the intersections of the boundary of the body with each pair of parallel hyper planes which lie tangent to a body lies perpendicular to the hyper planes.This is a known fact and …
Development Of Raman Spectroscopic Methods To Analyze Chemical, Biological, And Physical Constituents For Food Safety And Quality, Hannah C. Broadbent
Development Of Raman Spectroscopic Methods To Analyze Chemical, Biological, And Physical Constituents For Food Safety And Quality, Hannah C. Broadbent
Theses and Dissertations
Ensuring food safety and quality is crucial for consumer health, satisfaction, and regulatory compliance. This study aims to develop rapid, reliable methods for detecting food constituents (i.e. lactose), pathogens (i.e. Listeria monocytogenes), and contaminants (i.e. micro- and nano-plastics) using Raman spectroscopy. With advantages like high specificity, minimal sample preparation, and fast analysis, Raman spectroscopy offers a promising alternative to traditional methods. This research explores its application in assessing chemical, biological, and physical properties of food to enhance safety and quality monitoring. Lactose-free products are increasingly popular due to the global prevalence of lactose intolerance, creating a need for effective verification …
Partial Replication Of The Severe Outcome Questionnaire (S-Oq): Determining Benchmarks Using Ecologically Valid Data, Joshua J. Allen
Partial Replication Of The Severe Outcome Questionnaire (S-Oq): Determining Benchmarks Using Ecologically Valid Data, Joshua J. Allen
Theses and Dissertations
Background: The Severe Outcome Questionnaire (S-OQ) is a self-report tool whose most recent manual was published in 2008. It measures the treatment progress of the seriously mentally ill (SMI). Objective: 1). Partially replicate the outpatient and inpatient admission, change, and internal consistency data. 2). Provide a manual extension including admission and change data for new settings of care and include treatment modality benchmarks. Method: OQ Measures provided an archival data set drawn from six different community mental health organizations from around the United States covering 101 different clinics (N = 25,511; Male = 11,524, Female = 13,987). We constructed normative …
Frost Heave Of Clayey Soils Treated With Cement Or Lime, Ammon K. Hymas
Frost Heave Of Clayey Soils Treated With Cement Or Lime, Ammon K. Hymas
Theses and Dissertations
The objective of this research was to measure and compare the effects of portland cement and lime at low, medium, and high concentrations on the frost-heave susceptibility of multiple clayey soils with varying plasticity indices. The scope of work included laboratory frost-heave testing of three clayey soils sampled from Monticello, Utah; Bloomington, Indiana; and San Antonio, Texas. Each soil was tested with two stabilizers, cement or lime, at three concentrations, as well as with no treatment. Two replicate samples were prepared for each combination, for a total of 42 specimens. The frost-heave testing procedures for this research involved preparing specimen …