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Articles 931 - 960 of 14690
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Pig: A Novel, William Hal Walker
Pig: A Novel, William Hal Walker
Electronic Theses and Dissertations
A novel exploring addiction, recovery, faith, and family in Central Florida.
Fostering Inclusive Excellence For Black Women In Undergraduate Computing Sciences At A Predominantly White Institution, Toni Avant
Electronic Theses and Dissertations
Employment projections indicate that the computing sciences field is expected to increase by more than 600,000 jobs from 2020-2030. As society becomes increasingly reliant on technological innovations, the demand continues to rise for qualified graduates in this field. It is essential that employers build a diverse and inclusive workforce in order to accommodate the markets they serve. Yet, the lack of representation of Black women in the computing sciences field is of great concern.
From Pixels To Strings: Efficient String Art Creation Leveraging Greedy Algorithm, Ashraya Joshi
From Pixels To Strings: Efficient String Art Creation Leveraging Greedy Algorithm, Ashraya Joshi
Electronic Theses and Dissertations
This thesis optimizes String Art generation using advanced algorithms. String art is a technique that creates visual artworks composed of straight lines of strings tensioned between pins distributed on a canvas. Initially employing the Hough Transform, issues such as computational complexity and edge detection inaccuracies led to adopting a Greedy Algorithm. This algorithm iteratively enhances visual similarity between the string art and the original image by reducing the difference between pixel intensities between them, significantly improving quality and efficiency. Integrating non-photorealistic rendering techniques, the study ensures smoother and more coherent lines. The study demonstrates the improvements with different quantitative metrics. …
Study Of Binary Black Hole Dynamics Using Gravitational Waves, Cody Ayres Mccammon
Study Of Binary Black Hole Dynamics Using Gravitational Waves, Cody Ayres Mccammon
Electronic Theses and Dissertations
Merging binary black holes exhibit precessional motion that can be classified into three distinct morphologies: Circulating, librating around 0, and librating around π. This information is decoded from the gravitational wave signal. Binary systems can transition between morphologies as they spiral inwards, and spin precession effects are more pronounced near merger. The spin morphology reveals information about the binary black holes’ formation such as through isolated evolution of massive binary stars and their collapse or through dynamic evolution channels such as capture. In this study, we considered inferring the morphology at reference points at which the binary has (approximately) a …
Structural And Binding Studies Of Marine Glycans With Potential Therapeutic Use, Hoda Alsayed Mohamed Ahmed
Structural And Binding Studies Of Marine Glycans With Potential Therapeutic Use, Hoda Alsayed Mohamed Ahmed
Electronic Theses and Dissertations
This dissertation presents a comprehensive analysis of various marine-derived polysaccharides, focusing on their structures and binding properties. Using nuclear magnetic resonance (NMR) and surface plasmon resonance (SPR), distinct marine polysaccharides were structurally characterized, and their interactions with various biological targets were evaluated. The initial study explores a glucan isolated from Marcia hiantina, a bivalve mollusk, and its biological activity. Detailed structural analysis via NMR and chromatography techniques revealed a branched glucose-based polysaccharide with potent antioxidant and anti-inflammatory properties. Further studies on the red alga Botryocladia occidentalis identified three sulfated galactans in its cell wall. Through NMR, we characterized the least …
Do Storytelling And Survival Processing Have Additive Effects On Recall Performance?, Zoe Helena Fischer
Do Storytelling And Survival Processing Have Additive Effects On Recall Performance?, Zoe Helena Fischer
Electronic Theses and Dissertations
Both survival processing and storytelling have been shown to enhance memory performance relative to control conditions. We examined the extent to which combining these two techniques improves participants’ memory abilities relative to comparable control conditions. In one experiment, participants (n = 100) were randomly assigned to write sentences using unrelated common nouns in a sentence creation control, storytelling, survival, or survival plus storytelling condition. Participants who were instructed to write a story about survival were predicted to remember more words on a subsequent free recall test than participants in the other conditions. Mechanistically, we predict that combining predominantly item-specific processing …
Weight Discrimination And The Negative Cultural Value Of Fat: The Relationship To Well-Being Across Higher Weight Individuals Of Different Nations, Ana Clara Vieira Zaidan
Weight Discrimination And The Negative Cultural Value Of Fat: The Relationship To Well-Being Across Higher Weight Individuals Of Different Nations, Ana Clara Vieira Zaidan
Electronic Theses and Dissertations
Discrimination against individuals with higher body weights is prevalent in and outside of the US (see Pearl et al., 2021), yet research on this topic is limited when considering non-US perspectives. Cross-cultural studies had not yet explored the impact of cultural norms around weight. In the domain of anti-fat attitudes, cross-cultural research had explored variations in the negative cultural value of fatness (NCF) and its impacts across countries (Crandall et al., 2001). Incorporating this perspective, Study 1 examined how perceived weight discrimination (PWD) and NCF uniquely predict various well-being outcomes across two different countries among individuals who identified as overweight. …
Standard And Non-Standard Neutrino Oscillations At The Nova Experiment, Luiz Ricardo Prais
Standard And Non-Standard Neutrino Oscillations At The Nova Experiment, Luiz Ricardo Prais
Electronic Theses and Dissertations
Initially believed to be massless, the discovery of neutrino oscillations proved that neutrinos have masses, a feature not anticipated by the Standard Model of Elementary Particles. Investigations of the existence of the so-called physics Beyond the Standard Model is a subject of active effort in the field of particle physics. Interactions of neutrinos with matter are well described by the Standard Model, however in the presence of new physics our knowledge and ability to measure the standard neutrino oscillation parameters may be affected. Non-Standard Interactions (NSI) may arise as a subleading effect to the neutrino oscillation framework by introducing additional …
Anemia In Highly Prolific Sows: Implications On Piglet Outcomes, Farrowing Complications, And Longevity Considerations, Katlyn A. Mcclellan
Anemia In Highly Prolific Sows: Implications On Piglet Outcomes, Farrowing Complications, And Longevity Considerations, Katlyn A. Mcclellan
Electronic Theses and Dissertations
No abstract provided.
An Investigation Of Bidder Behaviour In Wic Infant Formula Rebate Auctions, Ashma Pandey
An Investigation Of Bidder Behaviour In Wic Infant Formula Rebate Auctions, Ashma Pandey
Electronic Theses and Dissertations
This research investigated the competitive bidding dynamics for infant formula rebate contracts within the Special Supplemental Nutrition Assistance Program for Women, Infants, and Children (WIC). I begin by focusing on the differences between winning and losing bids. The study employs multiple regression to predict rebate bids submitted by major manufacturers when they win a contract. I next conduct a paired t-test for each manufacturer – revealing statistically significant differences between predicted bids (based on the parameters from the winning model) and actual bids when a manufacturer did not win. This suggests that each manufacturer bids significantly lower rebates (higher net …
Evaluation Of Dietary Fiber Technologies In Sow Diets, Garrin Shipman
Evaluation Of Dietary Fiber Technologies In Sow Diets, Garrin Shipman
Electronic Theses and Dissertations
Various technologies and alternative ingredients are being developed to increase the nutrient value of fibrous feedstuffs, improve animal performance, and promote sustainable swine production. Fiber-degrading enzymes have been extensively studied in growing pigs, with few studies focused on gestating sows. When considering gestating sows have greater energy digestibility of fibrous feedstuffs than grower pigs, the efficacy of fiber-degrading enzymes needs to be determined for implementation in commercial sow diets. As fiber inclusion in gestation diets benefits sow performance, corn dried distiller grains with solubles (DDGS) are a candidate fiber source for gestation alternative energy ingredient. Functional fibers, such as yeast …
Effects Of Storage Regimes On Chemistry, Functional Properties, And Vitamin Profile Of Different Varieties Of Chickpea, Shirin Kazemzadeh Pournaki
Effects Of Storage Regimes On Chemistry, Functional Properties, And Vitamin Profile Of Different Varieties Of Chickpea, Shirin Kazemzadeh Pournaki
Electronic Theses and Dissertations
Chickpea (cicer arietinum) samples from five distinct varieties (crown, royal, orion, sierra, and frontier) were subjected to varying storage conditions to investigate the impact of temperature and relative humidity (rh) on their chemical, functional, physical properties, and vitamin b profile. over 360 days, samples were stored at two temperatures (21°c and 40°c) and three rh levels (40%, 55%, 65%), with collections made every 90 days. initial observations focused on key chemical properties including moisture, protein, fat, and total starch content. subsequently, protein and starch fractions were isolated for further analysis, employing techniques such as sodium dodecyl sulfate-polyacrylamide gel electrophoresis (sds-page) …
Artificial Intelligence And Image-Based Phenotyping For Monitoring Morpho-Physiological Dynamics In Grapevines, Prakriti Sharma
Artificial Intelligence And Image-Based Phenotyping For Monitoring Morpho-Physiological Dynamics In Grapevines, Prakriti Sharma
Electronic Theses and Dissertations
Plant phenotypic features are essential for determining the structure, composition, and function of plants. These traits are controlled by both environmental variables and genetic makeup. Conventional manual methods of phenotyping, although time-consuming and not very accurate, have laid the foundation for more modern approaches such as high throughput phenotyping (HTP). HTP utilizes imaging, sensor networks, robotics, and data analytics to automate the process of collecting and analyzing data. This study utilizes hyperspectral and digital imaging techniques to quantify physiological, biochemical, and morphological characteristics in grapevines. Hyperspectral imaging was leveraged to collect spectral data for evaluating physiological factors, whereas digital imaging …
Effects Of Isoacids Supplementation In Lactating Cows’ Diet Varying In Forage Fiber Level On Performances, Feed Efficiency, And Milk Fatty Acids Profile, Sumon Ahmed
Electronic Theses and Dissertations
No abstract provided.
Utilizing Soil Sensors To Assess Soil Health And Investigating Cover Crops Impact On Methane Emission, Shailesh Pandit
Utilizing Soil Sensors To Assess Soil Health And Investigating Cover Crops Impact On Methane Emission, Shailesh Pandit
Electronic Theses and Dissertations
Soil health is influenced by climate change, cultural practices, topography, crop rotations, cover crops, soil parent materials, and soil biota. Interactions between these factors can improve or reduce soil health. This thesis investigates two topics, using soil sensors to provide a rapid assessment of soil health, and the impact of cover crops on soil biological activity and greenhouse gas emissions. Chapter 1 explores the use of two types of sensors to measure apparent electrical conductivity (ECa) and provides examples on the use of these sensors. Even though both sensors measure ECa using different processes, they provide useful information about temporal …
Simulation Of Reacting Supersonic Flow In A Cavity Flameholder, Mohamed Benjelloun Touimi
Simulation Of Reacting Supersonic Flow In A Cavity Flameholder, Mohamed Benjelloun Touimi
Electronic Theses and Dissertations
Scramjet engines, or Supersonic Combustion Ramjets, are pivotal for achieving and maintaining hypersonic flight speeds. These engines leverage the high-speed airflow to compress and mix air and fuel for combustion. A significant challenge in Scramjet engine design is ensuring stable and efficient combustion within this high-speed environment. Cavity flameholders are crucial components that stabilize the combustion process by creating a subsonic region where the fuel-air mixture can ignite and sustain combustion. This research simulates this supersonic flow within the combustion chamber to accurately model and analyze the combustion dynamics. Various turbulence models, including RANS, and DES, are evaluated for their …
Evaluating The Impact Of Perceptual Loss In Generative Adversarial Models And Diffusion Models For Document Image Enhancement, Farzaneh Karimpour
Evaluating The Impact Of Perceptual Loss In Generative Adversarial Models And Diffusion Models For Document Image Enhancement, Farzaneh Karimpour
Electronic Theses and Dissertations
Documents often suffer from various types of degradation which make them difficult to read and restrict OCR performance. This study investigates the effectiveness of perceptual loss in enhancing document image cleanup by comparing a GAN-based model and a diffusion model. In our experiments, we utilized the DE-GAN model as a GAN-based model and the NAF-DPM model as a diffusion model, both enhanced by incorporating perceptual loss. We then compared the results of both models and evaluated them by using the DIBCO 2013, DIBCO 2017, and H-DIBCO 2018 datasets revealed that our approach consistently outperforms existing state-of-the-art methods. Results showed that …
Reimagining Hunting Through Women's Decision Space, H. Nash Jackson
Reimagining Hunting Through Women's Decision Space, H. Nash Jackson
Electronic Theses and Dissertations
Approximately 14.4 million people hunt in the United States, yet only 3.1 million (22%) of these hunters are women. To enhance women’s participation, many state natural resource agencies aim to reduce barriers and create pathways for women to hunt. Previously, researchers surveyed women to understand and describe barriers to their full participation in hunting. However, this methodology often just quantifies the different barriers without describing the interconnectedness and how the complexity of barriers can impact women’s participation in hunting. This thesis instead took an inductive research approach with the goal of better understanding women’s perspectives when faced with complex barriers. …
Comparative Analysis Of Deep Learning-Based Anomaly Detection Models For Gps Spoofing Detection, Hasan Mirzakhaninafchi
Comparative Analysis Of Deep Learning-Based Anomaly Detection Models For Gps Spoofing Detection, Hasan Mirzakhaninafchi
Electronic Theses and Dissertations
As autonomous vehicles (AVs) become integral to modern transportation, their susceptibility to cyber-attacks, particularly GPS spoofing, presents a serious security threat. This study addresses these challenges by applying a suite of deep learning models to enhance the detection of anomalous GPS signals. Focusing on autoencoder-based architectures, the proposed models such as long short-term memory-based variational autoencoder (LSTM-VAE), LSTM-based autoencoder (LSTM-AE), multilayer perceptron-based variational autoencoder (MLP-VAE), MLP-based Autoencoder (MLPAE), Stacked LSTM-based variational autoencoder (Stacked-LSTM-VAE), stacked LSTM-based autoencoder (Stacked-LSTM-AE), memory-augmented-LSTM-VAE (Mem-LSTM-VAE), and time-series-anomaly-detection-generative-adversarial-networks (TadGAN) were trained exclusively on authentic GPS data. This unsupervised learning approach which used for the above-mentioned models enables …
Beef Hot Carcass Weight Influences Proteolysis, Clay J. Carlson
Beef Hot Carcass Weight Influences Proteolysis, Clay J. Carlson
Electronic Theses and Dissertations
The objective of this thesis was to determine the influence of beef hot carcass weight on proteolysis to better understand early postmortem proteolysis. Beef tenderness formation is influenced by various factors, such as temperature decline and proteolysis. Limited focus has been given to the effects of carcass weight on proteolysis. This study aimed to investigate the influence of increased beef hot carcass weight (HCW) on proteolysis of four muscles (serratus ventralis, longissimus thoracis, longissimus lumborum, and semitendinosus) during early postmortem aging times. Beef steers (n =12) were harvested and categorized into two weight groups: lightweight (LW; HCW = 349 ± …
Computational And Experimental Modeling Of Particle Transport Inside Respiratory Pathways And Indoor Environments, Abir Malakar
Computational And Experimental Modeling Of Particle Transport Inside Respiratory Pathways And Indoor Environments, Abir Malakar
Electronic Theses and Dissertations
This thesis aims to explore efficient drug delivery to clinical target sites along the human upper airway that strongly depends on variables associated with the delivery device and the drug formulation, e.g., the device plume angle, particle sizes of drug solution, drug delivery speed of the device, viscosity of the drug solution, delivery axis orientation, and the formulation density. In our investigation, we prioritize the nasopharynx, the primary site of initial viral infection, as the ideal target zone for drug delivery. We have used Large Eddy Simulation and Lagrangian techniques to replicate breathing at 15 L/min and quantify regional drug …
Portable X-Ray Fluorescence Spectrometry For Sensing Salinity And Sodicity In Glacial Northern Great Plains Soils With Machine Learning Models, Adam Devlin
Electronic Theses and Dissertations
Saline and sodic soils are an increasing concern across the Northern Great Plains (NGP) due to factors of climate change and land management that are drawing geologically derived salts to the land surface. Traditional laboratory assessments, such as electrical conductivity (EC) and sodium adsorption ratio (SAR), are time and resource consumptive. Portable X-ray fluorescence (PXRF) may be a viable proximal sensing alternative, as it is able to provide elemental data in minutes, in situ or ex situ, and can directly quantify salinity-associated elements like Ca, Mg, and S. PXRF paired with predictive models has proven useful for a range of …
Advancing Karl Jaspers: The Connection Between The Theory Of Existential Communication And Mentoring Satisfaction, Nolan Patrick Bowers
Advancing Karl Jaspers: The Connection Between The Theory Of Existential Communication And Mentoring Satisfaction, Nolan Patrick Bowers
Electronic Theses and Dissertations
Existential philosopher Karl Jaspers’s theory (1932/1970; 1935/1971b) of existential communication is understood to be his most important contribution to existentialism. Additionally, this theory has unique ties to the phenomena of communication, begging its use as a dialogic theory. However, Jaspers’s theory has been relatively untouched by academia. This thesis understands the theory of existential communication through an operationalization of its aspects and explicitly connecting them to communicative behaviors. These aspects of existential communication are (1) vulnerability, (2) open-mindedness, and (3) equality. This study set out to determine whether these aspects could be found within mentoring relationships and support the aspects …
The Spatial Ecology Of Plains Spotted Skunks In South Dakota: Insights From Species Distribution, Resource Selection, And Co-Occurrence Models, Kara M. White
Electronic Theses and Dissertations
The plains spotted skunk (Spilogale interrupta) is a data-deficient small carnivore native to the central plains of North America that has experienced significant population declines. My dissertation investigates the species’ distribution, habitat associations, and interspecific interactions in South Dakota, providing crucial information for conservation actions. In Chapter 1, I developed ensemble distribution models on a broad scale, incorporating species location data from 1985–2020, environmental factors, and six predictive modeling algorithms. I identified key predictors including mean temperature diurnal range and proportion of area as pasture, and estimated ~31,300 km2 of potential habitat, predominately in eastern South Dakota. In Chapter 2, …
Assessing The Performance And Cost Effectiveness Of Rainwater Harvesting For High Tunnel Production Across Climates In The Continental United States, Mustafa Aydogdu
Assessing The Performance And Cost Effectiveness Of Rainwater Harvesting For High Tunnel Production Across Climates In The Continental United States, Mustafa Aydogdu
Electronic Theses and Dissertations
Several factors such as global climate change, population growth, urban and agricultural expansion, rising water demand, unequal water distribution, hydro-political conditions, declining water quality, rainwater scarcity, and temperature-induced drought contribute to water resource degradation. Rainwater harvesting (RWH) emerges as a sustainable solution, involving the collection and storage of rainwater for agriculture, livestock, and domestic use. RWH reduces reliance on municipal water, mitigates climate change impacts, and decreases runoff. Conventional RWH systems in the US vary in effectiveness. Increasing storage and water use enhances RWH effectiveness, improving stormwater runoff and reducing potable water use. High tunnel production of vegetable crops has …
Lidar Remote Sensing And The Monitoring Of Brazilian Amazon Forest Structure: Tackling Issues And Finding New Possibilities, Pedro Valle De Carvalho E Oliveira
Lidar Remote Sensing And The Monitoring Of Brazilian Amazon Forest Structure: Tackling Issues And Finding New Possibilities, Pedro Valle De Carvalho E Oliveira
Electronic Theses and Dissertations
The Amazon is the largest tropical forest in the world and around 60% of it is in Brazil. The amount of carbon stored in the region uncertain, the impacts of land use and climate changes are unknown, and what drives the dynamic of the forest structure is still under a heated debate. Optical remote sensing has been used for a long time to assist the monitoring of the Brazilian Amazon. However, optical remote sensing only allows a comprehensive study from the top of the forest canopy. In contrast, lidar remote sensing of forests can produce robust information regarding the canopy …
Methods For Optimizing Detection And Evaluating Habitat Use Of North American River Otters In South Dakota, Jessica Speiser
Methods For Optimizing Detection And Evaluating Habitat Use Of North American River Otters In South Dakota, Jessica Speiser
Electronic Theses and Dissertations
North American river otters (Lontra canadensis) play a critical role as an apex predator in riverine ecosystems. A challenging species to survey using traditional methods, they remain understudied in non-forested regions, such as the Northern Great Plains, where habitat degradation and landscape fragmentation may reduce habitat quality and availability and disrupt landscape connectivity. This thesis aims to improve detectability and investigates the habitat use of river otters in South Dakota to better understand habitat needs of otters and improve their continued recovery and management. My first chapter provides a brief overview of river otters and their ecological roles in freshwater …
Isolation, Molecular Characterization, And Epidemiological Analysis Of An Emerging Avian Metapneumovirus Subgroup B In Us Poultry, Sumit Jangra
Electronic Theses and Dissertations
Avian metapneumovirus (aMPV) is one the most economically important poultry respiratory pathogens belonging to the family Pneumoviridae and genus Metapneumovirus, which can affect both domestic and wild birds. aMPVs are classified into four subgroups (A, B, C, and D) based on the level of genetic variations and antigenic differences. aMPV causes turkey rhinotracheitis (TRT) and swollen head syndrome (SHS) in turkeys and chickens respectively. Recently, outbreaks of respiratory disease in meat-type birds and a significant decline in egg production with respiratory signs in breeders were reported from different states in the USA. Isolating aMPV is challenging as it is a …
Wise Blood Through The Lens Of Reader Response Theory, Hannah Rose Horton Stewart
Wise Blood Through The Lens Of Reader Response Theory, Hannah Rose Horton Stewart
Electronic Theses and Dissertations
Flannery O’Connor’s 1952 novel, Wise Blood, is a frequently misunderstood classic. While O’Connor is very rarely associated with reader response theory, its framework offers a way to more fully appreciate O’Connor as an author and Wise Blood as a novel while addressing aspects of critics’ confusion. The objective of this study is to consider a previously under-researched area of O’Connor scholarship while offering greater clarity to Wise Blood. By considering O’Connor’s personal nonfiction writing and the text of her first novel through the lens of reader response scholars such as Wolfgang Iser, this study offers a call towards viewing …
The Impact Of Sitting And Crawling On The Acquisition Of Object Permanence In Infants With Motor Delays And Infants With Typical Development, Karl Jancart
Electronic Theses and Dissertations
Object permanence (OP) is the ability to understand that objects continue to exist even when they cannot be perceived. During play, infants with an understanding of OP will continue searching for toys when the toys have been obscured by other items. Searching requires movement. The theory of embodied cognition maintains that the form and function of an organism’s body influence how the organism learns; Therefore, if a child has difficulties with movement, as demonstrated by children with motor delays, they will likely have difficulty engaging in play, the modality by which children learn about their world. The current research is …