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Articles 691 - 720 of 27040
Full-Text Articles in Entire DC Network
Flood Risks Surge In Unexpected Places, Leaving Americans Unprepared And Uninsured, Genna Y. Contino
Flood Risks Surge In Unexpected Places, Leaving Americans Unprepared And Uninsured, Genna Y. Contino
Capstones
As weather patterns become more unpredictable, the amount of uninsured property loss is expected to soar – disproportionately impacting communities of color in the U.S. Hurricane Helene, which devastated the western North Carolina mountains, demonstrates this trend. Experts say boosting insurance literacy and updating floodplain maps will better prepare the country as it navigates a changing climate.
https://docs.google.com/document/d/e/2PACX-1vSApu2Io6-IjMynum2d3IakyOV2AZysgayw8f4ypNID6dF0j06vumogvy6tJ9XPvqhXtC76fs8ZHre9/pub
Elementary Teachers’ Knowledge And Application Of Formative Assessment To Improve Instruction, Judy Charles
Elementary Teachers’ Knowledge And Application Of Formative Assessment To Improve Instruction, Judy Charles
Walden Dissertations and Doctoral Studies
Many students at the Valley View Primary School (pseudonym) in the Caribbean are not performing according to numeracy and literacy standards on national tests. Administration and teachers wanted to know why changes to formative assessment practices are not increasing students’ achievement levels. The purpose of this qualitative exploratory case study was to examine teachers’ perspectives regarding the importance of formative assessments relating to their instructional practices and knowledge of formative assessments in this primary school. The study was guided by Xu and Brown’s teacher assessment literacy in practice (TALiP). Nine participants were purposefully sampled. Research questions helped guide exploration regarding …
Elementary Teachers’ Knowledge And Application Of Formative Assessment To Improve Instruction, Judy Charles
Elementary Teachers’ Knowledge And Application Of Formative Assessment To Improve Instruction, Judy Charles
Walden Dissertations and Doctoral Studies
Many students at the Valley View Primary School (pseudonym) in the Caribbean are not performing according to numeracy and literacy standards on national tests. Administration and teachers wanted to know why changes to formative assessment practices are not increasing students’ achievement levels. The purpose of this qualitative exploratory case study was to examine teachers’ perspectives regarding the importance of formative assessments relating to their instructional practices and knowledge of formative assessments in this primary school. The study was guided by Xu and Brown’s teacher assessment literacy in practice (TALiP). Nine participants were purposefully sampled. Research questions helped guide exploration regarding …
Identification Of Probable Drug-Drug And Drug-Food Interactions In Hospitalized Patients With Chronic Renal Disease, Okta M. Sari, Aditya M.P Putra
Identification Of Probable Drug-Drug And Drug-Food Interactions In Hospitalized Patients With Chronic Renal Disease, Okta M. Sari, Aditya M.P Putra
Pharmacology and Clinical Pharmacy Research
Chronic renal disease is a substantial health challenge in numerous countries worldwide, including Indonesia. Chronic renal disease patients frequently experience comorbidities and require multiple medications (polypharmacy). In patients receiving polypharmacy, it is necessary to monitor the occurrence of drug interactions. The current study analyzed the most probable of drug-drug interactions based on severity and management. Furthermore, to analyzed the most probable drug-food interactions based on severity and management in patients hospitalized with chronic renal disease. From September to October 2023, a cross-sectional study was carried out using retrospective data gathering. The population that attains the study criteria is referred to …
Intramolecular Styryl Diels-Alder (Isda) Reaction For Synthesizing Derivatives Of Anticancer Lignans, Kriti Shrestha
Intramolecular Styryl Diels-Alder (Isda) Reaction For Synthesizing Derivatives Of Anticancer Lignans, Kriti Shrestha
Theses and Dissertations
Intramolecular Styryl Diels-Alder (ISDA) cycloaddition reactions are used widely in synthesizing complex natural products. They help synthesize polycyclic cores and form new chiral centers in the molecule. Among such natural products, lignans are considered important biomedical molecules due to their numerous pharmacological properties, such as antitumor, hepatoprotective, insecticidal, antifungal, antihypertensive, sedative, antioxidant, and antiparasitic. Numerous researchers have published their work in trying to synthesize different lignans for medicinal purposes. However, the lignans are challenging to synthesize because of their complex tetralin cores. This project focuses on synthesizing the polycyclic core for the analogs of anti-cancer compounds with ISDA reaction. The …
Are There Neurological Impacts Of Exposure To A Burned Wildfire Site As It Recovers?, Rubye Strickland
Are There Neurological Impacts Of Exposure To A Burned Wildfire Site As It Recovers?, Rubye Strickland
Undergraduate Honors Theses
Wildfires are increasing with climate change, making the human health implications of exposure to burned soils an essential area of research. Metals associated with fire-impacted soils can be inhaled or accidentally ingested by surrounding communities, causing health risks. Several studies have evaluated the health impact of wildfires, but few have done so from a neurological perspective. This study explores metal changes in burned soils over time as a site naturally recovers from wildfire and how these changes may impact human neurological health. Soil samples were collected from the burned area 0, 3, 6, 9, and 12 months after the fire. …
Climate- And Land-Use Change Impacts On Ecosystem Services Provided By Prairie Pothole Wetlands, Alina Mullins
Climate- And Land-Use Change Impacts On Ecosystem Services Provided By Prairie Pothole Wetlands, Alina Mullins
Master's Projects and Capstones
Prairie pothole wetlands are a type of depressional, isolated wetland that can be found in the glaciated landscape of the mid-central United States and portions of southern Canada, also referred to as the Prairie Pothole Region (PPR). The region is consistently recognized for its historic production and support of migratory waterfowl populations among other types of mammals and invertebrates largely due to the variability in pothole wetlands water levels and vegetative structure. Isolated from other waterbodies and lacking surface water connections, the hydrology of prairie pothole wetlands is influenced by the region’s continental climate. Historically, the region receives much of …
Butte Priority Soils Operable Unit (Bpsou) Final Bpsou Insufficiently Reclaimed Sites Belle Of Butte (Bres No. 8 & Ur-39) Remedial Action Work Plan (Rawp) Request For Change Ir- 2024-Ra-01, Revision 1, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Investigating The Relationship Between Mathematics Instructional Time And Perseverance Growth With Elementary Pre-Service Teachers, Joseph Dinapoli
Investigating The Relationship Between Mathematics Instructional Time And Perseverance Growth With Elementary Pre-Service Teachers, Joseph Dinapoli
Department of Mathematics Faculty Scholarship and Creative Works
This study investigated how the time that elementary pre-service teachers (PSTs) spend studying certain mathematics topics during a content course is related to growth in their perseverance in problem-solving. Using a quasi-experimental design, PSTs from two classes taught by the same instructor engaged in 12 problem-solving sessions each to measure their willingness to initiate and sustain, and re-initiate and re-sustain upon an impasse, productive struggle during engagement. Inspired by the thinking-oriented and knowledge-oriented theoretical approaches to teacher preparation in elementary mathematics, there were two class conditions. Over one semester, the treatment group studied five mathematics topics (averaging about 400 min …
Unmanned Aerial Systems (Uas) Image Preprocessing To Reduce Artifacts And Improve Geometric Registration When Generating Orthophoto Mosaics And 3d Models, Eddie Ironsmith
Unmanned Aerial Systems (Uas) Image Preprocessing To Reduce Artifacts And Improve Geometric Registration When Generating Orthophoto Mosaics And 3d Models, Eddie Ironsmith
Electronic Theses and Dissertations
Drones can now be used to quickly collect imagery data in a highly automated way; however, individual images must be combined to form an orthomosaic or 3-Dimentional (3D) model using photogrammetry software. Currently, the existing software may generate erroneous output in the form of artifacts or positional errors caused by homogeneous areas, light reflections, object movement between photos, or sub-optimal algorithms. The goal of this research was to develop preprocessing algorithms that would filter movement (or other time or position-based differences) and areas of homogeneity. The hypothesis is that filtering these parts of the image would reduce artifacts and improve …
Fsu Winter Commencement December 13, 2024, Fayetteville State University
Fsu Winter Commencement December 13, 2024, Fayetteville State University
Graduation Exhibit
Program for Fayetteville State University Winter Commencement December 13, 2024
Keynote Speaker: Dr. Harry L. Williams, President & CEO of Thurgood Marshall College Fund
Identifying Fecal Contamination Sources In The Grand Bay National Estuarine Research Reserve, Amanda M. Free
Identifying Fecal Contamination Sources In The Grand Bay National Estuarine Research Reserve, Amanda M. Free
Theses and Dissertations
The Grand Bay National Estuarine Research Reserve (GNDNERR) has a history of elevated fecal coliform counts. However, the source of the contamination is not well understood. According to past sanitary surveys, there has been a history of malfunctioning residential septic systems and inadequate wastewater treatment in the upper watershed. Feral hogs (Sus scrofa) and birds are also abundant in the estuary and could be potential contributors to elevated fecal coliform levels. To better understand the temporal and spatial variation of fecal coliforms in the GNDNERR and inform oyster reef management, eight sites within the GNDNERR watershed were sampled monthly for …
A Comprehensive Performance Evaluation Of Proprietary And Open-Source Language Models In Closed And Open-Domain Tasks, Abhilash Kanduri
A Comprehensive Performance Evaluation Of Proprietary And Open-Source Language Models In Closed And Open-Domain Tasks, Abhilash Kanduri
Theses and Dissertations
As the field of Natural Language Processing (NLP) continues to evolve, evaluating the performance of both proprietary and open-source language models has become increasingly critical. This research provides a comprehensive analysis of proprietary models like GPT-3.5 Turbo, GPT-4, and GPT-4 Turbo, alongside open-source models such as FLAN-T5, GPT-Neo, and GPT-2. By leveraging traditional metrics like ROUGE and BLEU, as well as custom metrics including ReGrAde, Contextual Precision, and Faithfulness, the study evaluates these models across closed-domain tasks (e.g., factual question-answering) and open-domain tasks (e.g., creative writing and brainstorming). The proprietary models excelled in structured, fact-based tasks, while the open-source models …
Synergistic Adsorption Of Pb (Ii) From Aqueous Solution Using Calcined Biochar-Bentonite Clay Hybrid, Azeezat Faderera Abdul-Raheem
Synergistic Adsorption Of Pb (Ii) From Aqueous Solution Using Calcined Biochar-Bentonite Clay Hybrid, Azeezat Faderera Abdul-Raheem
Theses and Dissertations
The biochar-bentonite clay hybrid was prepared by coprecipitation with the goal of producing a material that can remove Pb (II) from aqueous solutions effectively. Incorporating bentonite clay onto the Douglas fir biochar (DFB-BTC) surface significantly improved the adsorption capacity by introducing more active sites, strengthening the structural properties, and promoting strong adsorbate interactions. The point of zero charge of the adsorbent was slightly higher than that of the pristine DFBC. All sorption experiments were performed at pH 5, and the system obeyed the Langmuir adsorption isotherm. The highest Langmuir adsorption capacities observed at 298, 308, and 318 K were 48, …
Understanding The Correlation Between Socioeconomic Status And Student Achievement Amongst High School Students In Rural Mississippi, Aiesha L. Brooks-Hodges
Understanding The Correlation Between Socioeconomic Status And Student Achievement Amongst High School Students In Rural Mississippi, Aiesha L. Brooks-Hodges
Theses and Dissertations
This study examines the relationship between socioeconomic status (SES) and student achievement among high school students in rural Mississippi. By using a mixed-methods approach that combines quantitative data from the Mississippi Department of Education’s Accountability Report Card with qualitative data from student surveys and teacher interviews, this paper explores how SES factors such as parental income and education affect academic outcomes in rural settings. The study highlights the significant disparities between low-SES and high-SES students in terms of standardized test scores, graduation rates, and access to educational resources. The findings suggest that addressing these disparities will require targeted interventions at …
Biothermodynamics Of Metal And Dna Coordination To The Pneumococcal Transcription Factors Adcr, Scza, And Copr, Alexander James Cutright
Biothermodynamics Of Metal And Dna Coordination To The Pneumococcal Transcription Factors Adcr, Scza, And Copr, Alexander James Cutright
Theses and Dissertations
ransition metals are micronutrients that play critical roles in all forms of life, acting as stabilizing ions, catalytic centers, and as signaling ions. Due to their importance, classes of biomolecules have been designed with the sole purpose of regulating their intracellular concentrations. One group of which are transcription factors, which regulate intracellular metal concentration by activating or repressing transcription, dependent on metal availability. The activation of transcription factors by metal availability can be attested to conformational changes that are governed by both dynamics and thermodynamics. Due to the influential nature of transcription factors, their activity and activation mode have become …
Engineering Functionalized Nanomaterials For Targeting And Ablating Biofilms On Surfaces, Dhanush Lakmal Yapa Amarasekara
Engineering Functionalized Nanomaterials For Targeting And Ablating Biofilms On Surfaces, Dhanush Lakmal Yapa Amarasekara
Theses and Dissertations
Biofilms on both the surface and interior of medical devices pose major challenges, including hindering device performance and serving as infection sources. These biofilms form a protective layer around bacteria, shielding them from the body’s immune system and antibiotics. This makes infections difficult to treat, as the bacteria within the biofilm are resistant to both antibiotics and immune defenses. Additionally, biofilms can induce inflammation and irritation in nearby tissues, leading to further health complications. Antibiotic resistance raises concerns about the emergence of multi-drug resistant (MDR) pathogens. MDR infections are difficult to treat, leading to prolonged hospital stays and the need …
Algal Community Investigations: Present Day To Year-2100 For Mississippi Lakes And The Western Mississippi Sound, Emma Madison Tucker
Algal Community Investigations: Present Day To Year-2100 For Mississippi Lakes And The Western Mississippi Sound, Emma Madison Tucker
Theses and Dissertations
Algae play a key role in the aquatic environment as primary producers; however, they can form harmful algal blooms that are detrimental to the aquatic environment, people, and even the economy. It is generally believed that climate change will influence future algal blooms. The first study estimated algae community in three freshwater locations in Mississippi, Desoto Lake, White’s Creek Lake, and Columbus Lake, and one saline location, Western Mississippi Sound, using modern and new tools of the autonomous surface vessel, FlowCam, and EcoTaxa. From those results and leading into the second study was the application of four climate scenarios on …
Discrimination The Roles Of Anthropogenic Greenhouse Gases And Aerosols On Tropical Cyclone Frequency From Downscaling Cmip6 Models, George Gyabaah
Discrimination The Roles Of Anthropogenic Greenhouse Gases And Aerosols On Tropical Cyclone Frequency From Downscaling Cmip6 Models, George Gyabaah
Theses and Dissertations
Tropical cyclones (TCs) are devastating disasters, yet predicting their future activity remains highly uncertain. To better understand the impacts of different anthropogenic forcings, specifically greenhouse gases (GHG) and aerosols on the TCs, I downscaled the single forcing experiments of 11 CMIP6 models in the Columbia HAZard Model (CHAZ). This analysis focused on changes in the distribution of the North Atlantic (ATL) and Western North Pacific (WNP) basins and explored the shift in environmental variables that drive them. We then used the formulation of the genesis component of CHAZ as a constraint to quantify the relative contribution of each predictor relative …
Exploring Single Particles Through Optical Trapping And Advanced Laser Spectroscopy Techniques, Haifa Hassan Alali
Exploring Single Particles Through Optical Trapping And Advanced Laser Spectroscopy Techniques, Haifa Hassan Alali
Theses and Dissertations
This dissertation explores the innovative integration of optical trapping (OT) with advanced laser spectroscopy techniques to investigate the physicochemical properties of single particles from a variety of atmospheric aerosols, such as bioaerosols, terrestrial dust, and extraterrestrial dust. Each technique offers unique insights, significantly enhancing our understanding of these critical atmospheric components. The first work focuses on employing OT in conjunction with cavity ringdown spectroscopy (OT-CRDS) to measure the single-particle extinction of interplanetary dust particles at ultraviolet wavelengths (~308 nm). This method allows for the stable trapping of individual dust particles in air, facilitating precise characterization with minimal external interference. Our …
Changing Attitudes And Increasing Fruit And Vegetable Intake Of Elementary-Aged Children Through School Gardens, Hayley Rae Meriwether
Changing Attitudes And Increasing Fruit And Vegetable Intake Of Elementary-Aged Children Through School Gardens, Hayley Rae Meriwether
Theses and Dissertations
Fruit and vegetable consumption is critical for children’s health, yet many fail to meet recommended intake levels. School gardens have the potential to increase consumption and improve attitudes toward fruits and vegetables. This study examined the impact of a school gardening program on children’s attitudes and consumption of fruits and vegetables using a pre- and post-test design. While most children reported enjoying gardening and trying new produce, no significant changes were observed in overall attitudes or consumption patterns after the intervention. However, increased consumption of apples and green beans was noted. The findings suggest that while school gardens can spark …
Fisheries Management In Mississippi State-Operated Fishing Lakes: A Review And Look To The Future, Hayden Gregory Funk
Fisheries Management In Mississippi State-Operated Fishing Lakes: A Review And Look To The Future, Hayden Gregory Funk
Theses and Dissertations
The Mississippi Department of Wildlife, Fisheries and Parks currently manages 18 State Lakes and 17 State Park Lakes to provide public fishing opportunities. My goal was to conduct a comprehensive analysis of monitoring and management activities in State Lakes to enhance understanding of lake dynamics, further develop existing management initiatives, and identify alternative avenues for effective management. To achieve this objective, I have undertaken a comprehensive examination and synthesis of the historical background pertaining to State Lakes and conducted an analysis of pertinent data regarding lake characteristics such as the physical and chemical attributes of the lakes, the features of …
Beyond Clear Paths: Training With Neural Style Transfer And Auto-Augmentation For Domain-Generalized Segmentation Of Soiled Images, Jacob Randall Kutch
Beyond Clear Paths: Training With Neural Style Transfer And Auto-Augmentation For Domain-Generalized Segmentation Of Soiled Images, Jacob Randall Kutch
Theses and Dissertations
The use of image segmentation within mission-critical autonomous vehicle applications is contingent on reliability of visual sensors, which may become significantly compromised by environmental occlusions such as mud, water, dust, or ice. This thesis explores semantic segmentation techniques tailored for identifying occluded regions, addressing the limitations of conventional methods under unpredictable real-world conditions. Given the scarcity of training datasets with realistic occlusions and the resulting reliance on synthetic data, this research leverages style transfer augmentations and a novel augmentation policy optimization framework to diversify training datasets and improve model generalization. A newly-curated dataset of naturally occurring occlusions evaluates the efficacy …
Plastic Contaminants Detection And Classification In Seed Cotton Using Customed Design Feeder Separator Unit And Convolutional Neural Network, Jonathan Harjono
Plastic Contaminants Detection And Classification In Seed Cotton Using Customed Design Feeder Separator Unit And Convolutional Neural Network, Jonathan Harjono
Theses and Dissertations
The thesis presents an application of a convolutional neural network (CNN) to detect and classify plastic contaminants in seed cotton in real-time, in a ginning environment. A multi-layered CNN was developed and used to detect plastic contaminants from images captured by a universal serial bus (USB) camera, in a flowing cotton stream, with an artificial lighting system. The CNN was trained using a collection of images captured in the dynamic setting that simulated real-time cotton flow using a custom design feeder system. The CNN was trained in Google Colaboratory (Colab) environment. After the training was completed, it was then converted …
A Case Against Exclusive Reliance On Volumetric Mixture Characterization For Future Asphalt Pavements And The Advancement Of A Viable Alternative, Jonathan Randy Easterling
A Case Against Exclusive Reliance On Volumetric Mixture Characterization For Future Asphalt Pavements And The Advancement Of A Viable Alternative, Jonathan Randy Easterling
Theses and Dissertations
Volumetric properties have been the cornerstone of asphalt mixture design and control dating back to the early 20th century. However, social and economic drivers have caused the asphalt industry to make changes in materials and processes used to produce mixtures that have stretched the limits of volumetric centric methodologies. The primary objectives of this dissertation were to present an extensive case on how volumetrics is limited in their ability to characterize asphalt mixtures and to advance the body of knowledge of a viable alternative. State agency specifications were examined and found that Departments of Transportation (DOTs) were using asphalt volumetric …
Advances In Cluster Detection Via Order Statistics, Renewal Processes And Model Selection Methods With Applications To Financial Forensic Statistics, Kwabena Ansong Boateng
Advances In Cluster Detection Via Order Statistics, Renewal Processes And Model Selection Methods With Applications To Financial Forensic Statistics, Kwabena Ansong Boateng
Theses and Dissertations
This dissertation develops a novel method to detect clusters that appear in financial transaction data that are linked to fraud. The methods utilize properties of order statistics, renewal processes, and model segmentation. We apply the Minimum Description Length (MDL) principle to select the best model. Our technique makes use of a genetic algorithm to determine the number and location of anomalous cluster(s) embedded in a set of financial transactions. We apply our novel cluster detection method to the Paycheck Protection Program (PPP), a U.S. Government initiative launched in April 2020 amid the COVID-19 pandemic to aid small businesses affected by …
The Effect Of Teacher Efficacy On Career Technical Education Program Participation In Select Mississippi Schools, Lori Parkman Nail
The Effect Of Teacher Efficacy On Career Technical Education Program Participation In Select Mississippi Schools, Lori Parkman Nail
Theses and Dissertations
The primary purpose of this study was to determine to what degree school staff understood the benefits and outcomes of Career Technical Education programs and how this level of understanding impacted Career Technical Education program enrollment in five selected schools in Mississippi. The levels of understanding keyed in on three pivotal factors. First, perceptions of the availability and accessibility of Career Technical Education programs to students in the participating schools were measured. Second, the perceptions of the benefits students reap from being involved in Career Technical Education programs were examined. Next, the perceptions of the benefits Career Technical Education programs …
Determining The Impact Of Incorporating National Board Standards During Pre-Service Experiences On Teacher Success, Future National Board Certification, Student Growth, And Teacher Retention., Michelle Leigh Stubbs
Determining The Impact Of Incorporating National Board Standards During Pre-Service Experiences On Teacher Success, Future National Board Certification, Student Growth, And Teacher Retention., Michelle Leigh Stubbs
Theses and Dissertations
This project addresses the critical issue of teacher attrition and retention by incorporating National Board standards into pre-service teacher preparation programs. Nationwide, school districts face significant shortages of qualified teachers, particularly in mathematics, science, and special education. Research reveals that the Southern region of the United States experiences the highest attrition rates (Ingersoll et al., 2018). An analysis of data indicates that the key issues contributing to teacher attrition and retention include stress from high-stakes testing, salary deficits, and inconsistent support. States have the autonomy to address teacher retention issues and allocate federal funds for these initiatives such as high-quality …
Physics-Based And Data-Driven Constitutive Modeling Of Unsaturated Soils Under Multi-Physics Loading Conditions, Mohsen Ajdari
Physics-Based And Data-Driven Constitutive Modeling Of Unsaturated Soils Under Multi-Physics Loading Conditions, Mohsen Ajdari
Theses and Dissertations
Understanding the behavior of unsaturated soils under multi-physics loading is crucial for addressing several challenges related to emerging geo-energy technologies, climate change, and geohazard mitigation. The main objective of this research is to enhance the state of the art for modeling unsaturated soils under multi-physics loading conditions through physics-based and data-driven approaches. Toward this objective, this dissertation is divided into two distinct yet interrelated parts. In the first part (Chapters 2, 3, and 4), thermodynamic principles are employed to develop new constitutive functions to describe soil suction and stress-dilatancy of unsaturated soils under temperature-dependent conditions. Building upon the insights gained …
Multi-Cloud Identity Security Utilizing Self-Sovereign Identity, Morgan Lee Reece
Multi-Cloud Identity Security Utilizing Self-Sovereign Identity, Morgan Lee Reece
Theses and Dissertations
With the increasing use of multi-cloud environments, security professionals face challenges in configuration, management, and integration due to uneven security capabilities and features among providers. As a result, a fragmented approach toward security has been observed, leading to new attack vectors and potential vulnerabilities. Other research has focused on single-cloud platforms or specific applications of multi-cloud environments. Therefore, there is a need for a holistic security and vulnerability assessment and defense strategy that applies to multi-cloud platforms. This dissertation explores risk and vulnerability analysis to identify attack vectors from software, hardware, and the network, as well as interoperability security issues …