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Articles 69841 - 69870 of 70023
Full-Text Articles in Entire DC Network
An Exploration Of The Meaning Of The Phenomenon Of Hope, In The Context Of Hopelessness, For Rural Frontline Registered Nurses In South Dakota, North Dakota, And Minnesota During The Covid-19 Pandemic, Stephanie Jean Orth
Theses and Dissertations
Background & Purpose: This study’s purpose was to understand what the phenomenon of hope meant to rural critical access hospital RNs in three Midwest states, and what gave them hope during the COVID-19 pandemic. The full scope of the pandemic on the rural nursing workforce is unknown. Prior research has shown that hope can be a positive tool for sustaining psychological well-being, setting and achieving goals, and can facilitate coping (Collins, Bhathal, Field, Larlee, Paje, & Young, 2018; Hacimusalar, Kahve, & Aydin, 2020; Persell, 2016; Snyder, 1995). Methods: Ten participants were interviewed using a semi-structured, interpretive hermeneutic phenomenological approach. van …
Experimental Investigation Of Thermal Maturation Processes Of Bakken Formation And Their Impact On Organic Matter And Mechanical Properties, Chioma Judith Onwumelu
Experimental Investigation Of Thermal Maturation Processes Of Bakken Formation And Their Impact On Organic Matter And Mechanical Properties, Chioma Judith Onwumelu
Theses and Dissertations
Early development of the Bakken Petroleum System recognized the significance of source rock maturation and the onset of oil generation in determining the geographic limits of production. This research project aims to confirm the role of thermal maturation as the dominant mechanism in controlling the oil generation of the Bakken Shale. Additionally, the purpose ofthis research is to test the influence of thermal maturation on the geochemical and mechanical properties of the Bakken Shale. To conduct these investigations, samples from 2-BRENDEN 9-33 1-M, a well in the North Dakota part of the Williston Basin that has experienced the least thermal …
Application Of Artificial Treatment Wetland Systems In The English Coulee, Michael Anthony Rosati
Application Of Artificial Treatment Wetland Systems In The English Coulee, Michael Anthony Rosati
Theses and Dissertations
Artificial treatment wetlands are commonly used for treating urban stormwater runoffand surface waters affected by agricultural runoff. While this method is well-established, its effectiveness can vary based on environmental, design, and hydraulic factors. In Grand Forks, ND, the English Coulee, a hydraulically altered class III stream, is currently experiencing elevated nutrient pollution, specifically nitrates and phosphates. Implementing a floating treatment wetland (FTW) system in the English Coulee is a potential solution. This paper analyzes the feasibility and requirements for a 4.64 ha FTW to achieve a minimum of 50% nutrient removal, utilizing comprehensive modeling approaches. Through HEC-HMS and HECRAS simulations, …
Gay Or Nay? Gaydar Snap Judgement Accuracy Rates Among Queer And Straight Cis-Men, Alyssa Noelle Rowland
Gay Or Nay? Gaydar Snap Judgement Accuracy Rates Among Queer And Straight Cis-Men, Alyssa Noelle Rowland
Theses and Dissertations
The validity of gaydar as a psychological construct has been evaluated in the LGBQIA2S+ literature with general agreement that an unclearly specified subset of the population has a better than chance probability of detecting the sexuality of others. The real-world implications of such a skill could be far-reaching. Gaydar could assist people identify and attract potential mates or life partners. It could also provide protection against the risks posed by making advances on an individual (e.g., a heterosexual man) who could react violently. The current study examined factors that impacted cis-male gaydar hit rates for queer and heterosexual targets in …
Attitudes, Subjective Norms, And Perceived Behavioral Control Of Perianesthesia Nurses' Intentions To Engage In Mindful Self-Care, Brenda Sanya
Theses and Dissertations
Study Purpose and Design: The purpose of this study was to examine the relationships among attitudes, subjective norms, perceived behavioral control, and intentions to engage in mindful self-care among nurses working in the perianesthesia setting. The study utilized cross-sectional design and was guided by the Theory of Planned Behavior. Methods: Modified Theory of Planned Behavior questionnaire and Mindful Self Care Scale were utilized for data collection among 85 perianesthesia nurses using a survey through the American Society of PeriAnesthesia Nurses (ASPAN). Findings: Regression analyses demonstrated that attitude (β=0.51, t=5.63, p=0.001) and self-compassion and purpose (β=0.29, t=2.54, p=0.013) were significant factors …
Conducting Fog Research And Abatement Using Unmanned Aircraft Systems (Uas), Michael Douglas Willette
Conducting Fog Research And Abatement Using Unmanned Aircraft Systems (Uas), Michael Douglas Willette
Theses and Dissertations
The tremendous safety and monetary impacts of long-duration fog events continue to spur interest in its anthropogenic dissipation. With the emergence of the Unmanned Aircraft Systems (UAS) platform and the development of miniaturized atmospheric sensors, more efficient methods of fog research and anthropogenic fog dispersal may be achieved. The feasibility of a supercooled fog dispersal project in the Red River Valley and the efficacy of using the UAS platform to acquire in-situ fog microphysical data are explored. A 30-year climatology of the Red River Valley indicates increased supercooled fog potential between early November through early April, peaking in March. Five …
Building Personal Friendships In A Multicultural Society, Fatemah Almadani
Building Personal Friendships In A Multicultural Society, Fatemah Almadani
Theses and Dissertations
Friendship ranks highly among the social issues that develop and creates a stable andprosperous society. However, people tend to focus more on individuals who share social values while making friends. On the other hand, in a multicultural society, people work, leave, or learn together to share such values. The diversity of the origin of people living in the United States (US), especially in major cities, varies significantly regarding race, ethnicity, and religion, resulting in super-diverse urban setups. This study examined the multicultural friendship between international Arab students studying in the US and their American counterparts. The study was guided by …
Changes In Crop Diversity And Associated Drivers In The Red River Of The North Valley, Zinat Ara
Changes In Crop Diversity And Associated Drivers In The Red River Of The North Valley, Zinat Ara
Theses and Dissertations
Background: Crop diversity is a part of the overall biodiversity of the world and includes the diversity of crops produced to feed humankind and those associated with domesticated animal grazing or feeding. A decline in diversity can reduce productivity of the farmlands by degrading soil health and introduction of plant diseases. So, it is crucial to study crop diversity and find the causes behind it to impede catastrophic consequences.Objectives: The purpose of this study was to explore changes in crop diversity and the factors affecting the changes in diversity by county and survey townships in the Red River of the …
Dynamics Of Flood Flow In Red River Basin, Vida Atashi
Dynamics Of Flood Flow In Red River Basin, Vida Atashi
Theses and Dissertations
In recent decades, flooding has become a major issue in many areas of the Upper Midwest. Many rivers and streams in the region had considerable increases in mean annual peak flows during this period, which was driven by a combination of natural factors including discharge synchrony with the spring thaw, ice jams, glacial lake plain, and a decrease in gradient downstream. The Red River of the North is a prominent river in the United States and Canada's Upper Midwest. It flows from its headwaters in Minnesota and North Dakota to Lake Winnipeg in Manitoba. The river is well-known for its …
Ccl2 Suppression In Lewis Lung Carcinoma Model Enhances Host Survival And Immune Response In The Tumor Microenvironment, Nivedita Biswas
Ccl2 Suppression In Lewis Lung Carcinoma Model Enhances Host Survival And Immune Response In The Tumor Microenvironment, Nivedita Biswas
Theses and Dissertations
CCL2, a chemokine also referred to as monocyte chemoattractant protein 1 (MCP-1) and small inducible cytokine A, is chemotactic for monocytes. CCL2-induced recruitment of CCR2+Ly6C(hi) monocytes increases vascular permeability CCR2+ endothelium aiding the escape and migration of tumor cells. CCL2 is produced by cancers of varied immunogenicity and augments tumor proliferation and metastasis. Elevated CCL2 expression by tumor cells is linked to poor prognosis.We have previously shown that two bacterially derived superantigens, Staphylococcal enterotoxin G and I (SEG/SEI) stimulate large numbers of T cells in an antigen-independent fashion and promote enhanced survival in the poorly immunogenic B16-F10 melanoma model. Conversely, …
Applying Human Error Framework To Explore Prevention Strategies For Wrong Surface Events, William Bowers
Applying Human Error Framework To Explore Prevention Strategies For Wrong Surface Events, William Bowers
Theses and Dissertations
Wrong surface events are a serious and ongoing risk to aviation safety in the United States National Airspace System. A wrong surface event occurs when an aircraft lands, departs or attempts to land or depart from a surface other than the intended landing or takeoff, also including aircraft landing at the wrong airport. This research examined the contextual factors that contributed to human error ultimately leading to wrong surface events, assessed the efficacy of technology that can be used to prevent, and aviation professional’s awareness of wrong surface events in order to determine prevention strategies that can reduce occurrences in …
Spectral Classification Of Eight Stars In Open Cluster Ngc 457, Anthony Braden
Spectral Classification Of Eight Stars In Open Cluster Ngc 457, Anthony Braden
Theses and Dissertations
This project aimed to perform spectral analysis and classification on eight target stars in the open star cluster NGC 457 with the University of North Dakota Space Studies Observatory. Selected targets came from a search in the SIMBAD database with a radius of two arcseconds around the cluster's center. The eight brightest stars in the visual spectrum were chosen, which did not have luminosity classifications. Six observing sessions were performed over two years to maximize data quality, given the unpredictability of terrestrial observations. Spectral data were acquired in both high- and low-resolution mode. The spectral data were calibrated and analyzed …
Religion-Justified Childhood Maltreatment And Adult Psychological Maladjustment, Hannah Doctor
Religion-Justified Childhood Maltreatment And Adult Psychological Maladjustment, Hannah Doctor
Theses and Dissertations
The perpetrator of religion justified child abuse relies on spiritual beliefs (religious texts, context, or authority) to justify acts of maltreatment. This form of abuse can be manifested in many different contexts including infamous scandals of sexual abuse committed by catholic priests and the physical/sexual/emotional maltreatment occurring at Native American or other boarding schools for troubled youth. Parents and caretakers often claim "to spare the rod is to spoil the child”. Previous research has suggested that maladjustment outcomes after traumatic events are less severe among victims with strong religious beliefs. This study hypothesized that religious justified abuse would be associated …
Parental Telemental Health Satisfaction During Covid-19, Desiree Giesen
Parental Telemental Health Satisfaction During Covid-19, Desiree Giesen
Theses and Dissertations
The outbreak of Coronavirus-19 (COVID-19) rapidly became a global pandemic in early 2020, forcing the wide spread implementation of social distancing safety precautions. Most mental health services across the United States shifted from traditional in-person services to telemental health (telehealth) in order to safely treat their clients. Using a Grounded Theory theoretical framework, participants were interviewed using a semi-structured format regarding their telehealth experience during COVID-19. Participants were 12 parents whose children had received telehealth services. Themes emerged from their coded responses and were organized into four categories: COVID-19 Impact on Mental Health, Positive Elements of Telehealth, Negative Elements of …
An Investigation Into Impacts Of Microphysics Parameterization Schemes On Radiation Fog Within A Large Eddy Simulation Framework, To Small Unmanned Aircraft System Operations, Joseph Lafayette Gufford
An Investigation Into Impacts Of Microphysics Parameterization Schemes On Radiation Fog Within A Large Eddy Simulation Framework, To Small Unmanned Aircraft System Operations, Joseph Lafayette Gufford
Theses and Dissertations
Fog is a threat to the operations of small unmanned aerial systems (sUAS). Improved fog forecasting will allow for more timely dissemination of warnings, allowing operators to maximize operational time and to minimize flight cancellations. The impacts of grid spacing and microphysical parameterization were examined to study their influences on fog formation in the Weather Research and Forecasting numerical weather prediction model. An ensemble of forecasts was produced, wherein varying grid spacings (1 km and 0.333 m) were permuted with different microphysics schemes (single and double moment) for two different fog events. It was found that sub-kilometer grid spacing improved …
“Blue” Hydrogen & Helium From Flare Gas Of The Bakken Formation Of The Williston Basin, North Dakota: A Novel Process, Martin R. Leipzig
“Blue” Hydrogen & Helium From Flare Gas Of The Bakken Formation Of The Williston Basin, North Dakota: A Novel Process, Martin R. Leipzig
Theses and Dissertations
Is it possible to curtail flaring in the Williston basin while simultaneously sequestering carbon dioxide, harvesting economic quantities of natural gas liquids, helium and other valuable products? Utilizing a novel approach described here, diatomic hydrogen and elemental helium, as well as other products, can be profitably extracted from the gas streams produced from horizontal, hydraulically-fractured Middle Bakken Member wells, in the Devonian-Mississippian Bakken Formation of the Williston Basin, North Dakota, USA.However, there are two vastly different methods employed to extract these gasses. Hydrogen is harvested from the gas stream by physically reforming methane (CH4) through the application of one or …
A Data Driven Approach To Optimize Re-Fracturing Operations In The Williston Basin, Joshua Kroschel
A Data Driven Approach To Optimize Re-Fracturing Operations In The Williston Basin, Joshua Kroschel
Theses and Dissertations
Because of the recent paradigm shift focusing heavily on cost minimization, many operators are now re-developing existing assets at much lower costs instead of developing newly drilled wells. Although it may seem that the hydraulic fracturing process on a well would be easier after initial stimulation, this is not usually the case and is often more difficult. Being able to identify high margin effects of treatment parameters will help engineers design hydraulic fracturing treatments to minimize average STP (STP) and minimize costs. This research develops a feature engineered multivariate regression model that identifies several high margin areas for STP reduction. …
Determining The Optimum Ground Coal Bottom Ash Content For Sustainable Concrete Infrastructure, Sandip Poudel
Determining The Optimum Ground Coal Bottom Ash Content For Sustainable Concrete Infrastructure, Sandip Poudel
Theses and Dissertations
Cement production requires a high amount of energy and natural resources which has a high impact on the environment due to harmful gas emissions. Coal bottom ash (CBA) or Coal Boiler Slag (CBS) is the byproduct of coal-fired power plants that has pozzolanic properties. CBA or CBS can be mechanically ground to obtain Ground Coal Bottom Ash (GCBA) or Ground Coal Bottom Slag (GCBS). GCBA has the potential to replace cement in concrete which will reduce the waste in landfills, make economic benefits, preserve natural resources, and reduce health hazards. This research was performed to determine the optimum GCBA or …
Machine Learning And Data Mining To Validate The Prognostics And Predictive Breast Cancer Biomarkers On A Large Racially Diverse Population, Kalli Scheafer
Machine Learning And Data Mining To Validate The Prognostics And Predictive Breast Cancer Biomarkers On A Large Racially Diverse Population, Kalli Scheafer
Theses and Dissertations
Breast cancer biomarkers have great potential in providing clinicians more individualized information about the composition and outcomes of a patient’s breast cancer. However, many breast cancer biomarkers have not been evaluated on a large scale or in groups of patients with diverse characteristics, leading to difficulty in their translation to having an impact on patients. In this study, we compile a large, pooled breast cancer patient data cohort and evaluate breast cancer biomarkers on patients with diverse characteristics. Biomarkers are found to have varying expression patterns within the different breast cancer subtypes, validating the need to evaluate biomarkers on patient …
Studying Phase And Morphology Of Hydrocarbon Petrochemicals In Inorganic And Organic Microdroplets Using An Electrodynamic Balance, Fafa Tackie-Otoo
Studying Phase And Morphology Of Hydrocarbon Petrochemicals In Inorganic And Organic Microdroplets Using An Electrodynamic Balance, Fafa Tackie-Otoo
Theses and Dissertations
Wastewater from the petroleum industry contains large amounts of inorganic salts, hydrocarbons, mercaptans, oil and grease, phenols, and other organic chemicals. All these compounds can be found in highly complex solutions in the petroleum industry’s discharged water, and there is no common treatment method, which precludes reuse paths in other sectors such as irrigation of farmland. In order to reuse produced water, the water must be treated and these harmful chemicals must be removed. To treat and potentially reuse oily waste outside the energy sector, researchers typically use membrane technology, photocatalytic degradation, oxidation processes, electrochemical catalysis, and other methods. The …
Exploration Of Early Career Teachers’ Perspectives On Preservice Training, Classroom Experiences, And Retention, Ashley Smalley
Exploration Of Early Career Teachers’ Perspectives On Preservice Training, Classroom Experiences, And Retention, Ashley Smalley
Theses and Dissertations
To promote the advancement of teacher recruitment, retention, and reduce attrition, K-12 teachers need to be fully prepared for the complex nature of being in a classroom, a classroom filled with students of all types. There is a unique nature to education and one must recognize the complexity of each individual student. The context of this study explores early career teachers’ perspectives on their preparedness for teaching. This research examines teachers’ perspectives in their first to fifth years of teaching who graduated from a North Dakota college. Each participant answered 13 questions regarding their perspectives on the preparation they received …
Effect Of Deicing Chemicals And Fly Ash On Durability And Mechanical Properties Of Concrete, Joseph M. Useldinger-Hoefs
Effect Of Deicing Chemicals And Fly Ash On Durability And Mechanical Properties Of Concrete, Joseph M. Useldinger-Hoefs
Theses and Dissertations
Deicing chemicals, such as Sodium Chloride (NaCl), lowers the freezing point of water, resulting in less skidding, less hydroplaning, and more friction on roadways. NaCl has limitations regarding its deicing capabilities; therefore, a supplement should be used to decrease corrosion and aid in lowering the freezing point of water. Incorporating AMP in NaCl brine aids in bonding to the road’s surface and further lowers the water’s freezing point. This study was conducted to explore the optimum solution of AMP and Sodium Nitrite (NaNO2) and the impact 20% fly ash has on durability. Hardened properties were used to compare the impact …
Childhood Adversity And The Millon Clinical Multiaxial Inventory, Fourth Edition (Mcmi-Iv), Jenna Marie Wolff
Childhood Adversity And The Millon Clinical Multiaxial Inventory, Fourth Edition (Mcmi-Iv), Jenna Marie Wolff
Theses and Dissertations
The Millon Clinical Multiaxial Inventory, 4th edition (MCMI-IV; Millon et al., 2015) is a reliable and valid personality assessment based on Theodore Millon’s biosocial learning theory of personality. Millon’s theory evolved to include 15 personality constructs that vary in adaptive and maladaptive response patterns. In his most recent book (Millon, 2011), he presented hypotheses about biological and environmental factors that contribute to development of each personality construct. Many of these hypotheses specify particular adversities in childhood that differentially contribute to each construct. This study is the first to evaluate Millon’s hypotheses about how childhood adversities may contribute to development of …
Evaluating The Size Distribution Of Submicron Particles In Seawater, Yuanheng Xiong
Evaluating The Size Distribution Of Submicron Particles In Seawater, Yuanheng Xiong
Theses and Dissertations
Particles of sizes < 1 µm or submicron particles in seawater can contribute up to 60% of optical backscattering that reflect sunlight measured by remote sensors. Better understanding of their optical effect in ocean color requires the knowledge of their particle size distributions (PSDs). However, data on PSDs of submicron particles is limited. We examined an instrument, ViewSizer 3000, for its capability of measuring PSDs of submicron particles. The working theory of the instrument is to track the Brownian motion of particles and relate the diffusivity of each particle to its size. A Monte Carlo simulation was conducted to prove that the instrument can be used to quantify PSDs of naturally occurring particles. Calibrations in the lab using NIST-traceable microbeads indicates two corrections are needed: (1) the sample volume varies with the size of particles and (2) particles of sizes <250 nm cannot be estimated reliably due to their low signal-to-noise ratio. With the corrections, the instrument can resolve submicron particles of sizes >250 nm with a mean absolute error of 3.9% in size and 38% in concentration. The ViewSizer 3000 was deployed in two NASA EXPORTS field campaigns in the North Pacific Ocean in August 2018 and the North Atlantic Ocean in May 2021. A total of 373 water samples were collected from 5 m to 500 m and measured in the ship’s lab for their PSDs. The PSDs of submicron particles at different depths and waters exhibit up to 3 orders of magnitude variations at each size bin, with the mean concentration in NA 30% greater than that …
The Design And Preparation Of High-Performance Silicon/Carbon Composite Anode For Lithium-Ion Batteries, Xin Zhang
Theses and Dissertations
The increasing demand for high-performance energy storage devices has driven extensive research into developing advanced lithium-ion batteries (LIBs) for various applications, including electric vehicles, portable electronics, and grid energy storage. Anode materials play a critical role in determining the overall performance of LIBs. In this dissertation, the investigation of silicon-based anode materials synthesis, characterization, and electrochemical performance was conducted for high-performance lithium-ion battery (LIB) applications. Four projects (Chapter 3 through 6) will be included in this dissertation. Chapter one includes the background and motivation of developing high-performance anode material for LIBs, followed by the hypothesis, scope of work, and significance …
Analysis, Development And Design For Early Fault Detection And Fire Safety In Lithium-Ion Battery Technology, Daniel Kelly Boakye Danquah
Analysis, Development And Design For Early Fault Detection And Fire Safety In Lithium-Ion Battery Technology, Daniel Kelly Boakye Danquah
Theses and Dissertations
Energy storage technologies in its natural form play a key role in the electrical infrastructure, renewable and mobility industry. This form includes the material nomenclature for cell. technology, battery module design, Battery enclosure system design, control, and communication strategy, chemistry profile of various cell technologies, formation and formfactors of cell structure, electrical and mechanical properties of a lithium-ion cell, behavior of the cell under high voltage, low voltage, elevated temperature and lower temperature, multiple charging of a lithium-ion batteries. Energy storage industry is growing rapidly, and the industry is experiencing an unprecedented safety concern and issues in terms of fire …
A Multivariant Comparative Analysis Of Small Modular Nuclear Reactors And Their Role In Net Zero 2050, Cynthia Bradley Bryant
A Multivariant Comparative Analysis Of Small Modular Nuclear Reactors And Their Role In Net Zero 2050, Cynthia Bradley Bryant
Theses and Dissertations
Climate Change is one of the world’s most urgent issues, and the ideas to reduce the emission of Greenhouse Gases (GHG) from manmade sources needed to help resolve this plight. Globally, the production of electricity accounts for nearly 40% of all GHG emissions in 2022. The substitution of nuclear energy can reduce that number greatly. SMRs, or small modular nuclear reactors, are smaller than conventional nuclear reactors. They can be made on-site, assembled, and transported to their final destination. SMRs offer many advantages over traditional reactors. They are more cost-effective, safer, and more flexible.SMRs could be used to replace fossil …
Nohwi Nadeesh Diyih: Honoring Indigenous Health Through Research, Evaluation, And Policy, Danya S. Carroll
Nohwi Nadeesh Diyih: Honoring Indigenous Health Through Research, Evaluation, And Policy, Danya S. Carroll
Theses and Dissertations
American Indian and Alaska Native (AI/AN) communities in the United States (US) represent culturally rich food landscapes, traditions, and languages. Food access remains a public health issue in AI/AN communities that is influenced by a myriad of factors. Indigenous food cultures and Indigenous languages are also underappreciated factors in the health of AI/AN communities. This dissertation in practice is guided by both the Social Ecological Model (SEM) and Indigenous Evaluation Framework (IEF) Model with the intent of highlighting multilevel culturally aligned approaches to promoting AI/AN health through food access and Indigenous languages. Specifically, this dissertation in practice sought to platform …
The Predictiveness Of Gendered Racism On The Well-Being Of Women Of Color, Mallika Chakrabarti
The Predictiveness Of Gendered Racism On The Well-Being Of Women Of Color, Mallika Chakrabarti
Theses and Dissertations
Research suggests a reduced sense of well-being in women of color who have been experiencing discrimination based on gender or race. Surprisingly, the intersectional discrimination of both gender and race, termed as Gendered Racism, on women of color has received much less attention than the individual variables. The present study seeks to fill a void in literature by offering to examine some effects of gendered racism on aspects of well-being in this population. This study examines the predictiveness of intersectional discrimination based on race and gender – called Gendered Racism - on the well-being of women of color. Well-being was …
Environmental Toxicity Of Isoxazoline Drugs On Non-Target Species, Haley M. Cooper
Environmental Toxicity Of Isoxazoline Drugs On Non-Target Species, Haley M. Cooper
Theses and Dissertations
Lyme disease affects tens of thousands of people every year in the United States, causing serious illness and even death. It is caused by the bacterium, Borrelia burgdorferi, through infected black-legged tick bites. The range of these ticks is expanding, causing Lyme disease cases to increase. Considerable effort has been put toward research and eradication of Lyme disease, with limited success. Isoxazoline drugs, commonly used to prevent flea and tick infestations in dogs, could be dispatched in the field to keep black-legged ticks off the reservoir host of Lyme disease, the White-footed mouse. Little research has been done on …