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Articles 795541 - 795570 of 5156108
Full-Text Articles in Entire DC Network
Accelerated Performance Degradation Of Single-Phase Cold Plates For Direct-To-Chip Liquid Cooled Data Centers, Lochan Sai Reddy Chinthaparthy
Accelerated Performance Degradation Of Single-Phase Cold Plates For Direct-To-Chip Liquid Cooled Data Centers, Lochan Sai Reddy Chinthaparthy
Mechanical and Aerospace Engineering Theses - Archive
Expanding demands for cloud-based computing and storage, the Internet of Things, and AI-based applications have escalated thermal loads in high-density data centers which necessitated the utilization of more efficient cooling technologies. Direct-to-chip liquid cooling using cold plates has proven to be one of the most efficient methods to dissipate the high heat fluxes of modern high-power CPUs and GPUs. While the published literature has well-documented research on the thermal aspects of direct liquid cooling, a detailed account of reliability degradation is missing. The present investigation provides an in-depth analysis of the reliability degradation of copper cold plates used in high-power …
Novel Oncogenes And Tumor Suppressor Genes In Hepatocellular Carcinoma, Fang Wang, Peter Breslin S J, Wei Qiu
Novel Oncogenes And Tumor Suppressor Genes In Hepatocellular Carcinoma, Fang Wang, Peter Breslin S J, Wei Qiu
Biology: Faculty Publications and Other Works
Hepatocellular carcinoma (HCC) is a very deadly disease. HCC initiation and progression involve multiple genetic events, including the activation of proto-oncogenes and disruption of the function of specific tumor suppressor genes. Activation of oncogenes stimulates cell growth and survival, while loss-of-function mutations of tumor suppressor genes result in unrestrained cell growth. In this review, we summarize the new findings that identified novel proto-oncogenes and tumor suppressors in HCC over the past five years. These findings may inspire the development of novel therapeutic strategies to improve the outcome of HCC patients.
An Analysis Of Class In Composition From 1970-2010, Holland R. Cutrell
An Analysis Of Class In Composition From 1970-2010, Holland R. Cutrell
All HCAS Student Capstones, Theses, and Dissertations
Class and socioeconomic status in composition and rhetoric remains a topic that is felt, yet not often discussed. The language students use is highly indicative of their class background, and everyone has a slightly altered form of discourse they prefer (Zebroski, 2006). My thesis examines the issues working-class students have faced with literacy acquisition and discourse assimilation from 1970s–mid 2000s. My analysis illustrates how composition and rhetoric has evolved from the error-centered and hyper-correct culture of the 1970s to the technologically dominated, media driven production powerhouse that affects every aspect of college and beyond. To most effectively address how working-class …
Ecology Of Hantaviruses In Rodent Reservoirs And Their Early Innate Immune Responses In Human Model Systems, Evan Peter Williams
Ecology Of Hantaviruses In Rodent Reservoirs And Their Early Innate Immune Responses In Human Model Systems, Evan Peter Williams
Theses and Dissertations (ETD)
The spillover of zoonotic RNA viruses is responsible for a great deal of the disease outbreaks in human populations. These spillover events are set to continue due to anthropogenic and environmental changes that impact the distribution of these viruses. The viruses in the family Hantaviridae are classified as one of these emerging zoonotic RNA viruses. The spillover of the viruses in this family are responsible for two severe human diseases, hemorrhagic fever with renal syndrome (HFRS) and hantavirus pulmonary syndrome (HPS). These viruses are distributed across the globe and are responsible for a large number of human disease cases with …
Contract Administration Process Improvements Developed And Applied To A Usda Forest Service, Chugach National Forest, Cordova Ranger District Hazmat Storage Facility Replacement, Cody Kapotak
Student Projects for Graduate Degrees
Contract administration is a critical work component for United States federal government agencies. It ensures that contractors perform according to the contract requirements and deliver the scope of work as defined. Successful administration of a contract between the federal agency (project owner) and the contractor conducting the work is essential to deliver positive outcomes, reduce risk, and maintain a productive and collaborative workflow involving multiple people with different roles. Both new and experienced staff may have limited or inconsistent understanding of contract administration and how to initiate and manage this important process. Detailed and holistic representation of process workflows provides …
A Tribute To Professor Gaetano Granozzi And His Contributions To Surface Science On The Occasion Of His 70th Birthday, Kurt W. Kolasinski
A Tribute To Professor Gaetano Granozzi And His Contributions To Surface Science On The Occasion Of His 70th Birthday, Kurt W. Kolasinski
Chemistry Faculty Publications
On the occasion of his 70th birthday, we celebrate the career of our Editor-in-Chief, Professor Gaetano Granozzi. Prof. Granozzi’s work is marked by his dedication to the fundamental understanding of technologically relevant systems through the lens of surface science.
Corporate Social Responsibility And Bond Price At Issuances: Us Evidence, Hong Zhao, Wei Du, Hao Shen, Xinting Zhen
Corporate Social Responsibility And Bond Price At Issuances: Us Evidence, Hong Zhao, Wei Du, Hao Shen, Xinting Zhen
Economics & Finance Faculty Publications
Bondholders are arm's-length lenders with limited insider information. In this paper, we explore whether corporate social responsibility (CSR) activities could work as an information channel for bondholders to better understand the riskiness of bond-issuing firms. We find a significant negative relation between CSR scores and corporate bond yield spread, especially for firms which invest heavily in diversity and community relations, suggesting that CSR firms are less risky. The result is robust to different model specifications and endogeneity issues. In addition, the negative relation between the CSR score and bond yield spread is significant only if a firm has a strong …
Parks And The Pandemic: A Scoping Review Of Research On Green Infrastructure Use And Health Outcomes During Covid-19, Megan Heckert, Amanda Bristowe
Parks And The Pandemic: A Scoping Review Of Research On Green Infrastructure Use And Health Outcomes During Covid-19, Megan Heckert, Amanda Bristowe
Geography & Planning Faculty Publications
Green infrastructure (GI) has long been known to impact human health, and many academics have used past research to argue for the potential importance of GI as a mechanism for maintaining or improving health within the context of the COVID-19 pandemic. This scoping review addresses the question: What evidence, if any, have researchers found of a relationship between green infrastructure use and health during the COVID-19 pandemic? Specifically, evaluating the (a) association of GI use with COVID-19 disease outcomes and (b) association of GI use with other health outcomes as impacted by the COVID-19 pandemic. Twenty-two studies were identified that …
Is Bog Water Chemistry Affected By Increasing N And S Deposition From Oil Sands Development In Northern Alberta, Canada?, R. Kelman Wieder, Melanie A. Vile, Kimberli D. Scott, James C. Quinn, Cara M. Albright, Kelly J. Mcmillen, Caitlyn Herron, Hope Fillingim
Is Bog Water Chemistry Affected By Increasing N And S Deposition From Oil Sands Development In Northern Alberta, Canada?, R. Kelman Wieder, Melanie A. Vile, Kimberli D. Scott, James C. Quinn, Cara M. Albright, Kelly J. Mcmillen, Caitlyn Herron, Hope Fillingim
Public Health Sciences Faculty Publications
Nitrogen and sulfur emissions from oil sands operations in northern Alberta, Canada have resulted in increasing deposition of N and S to the region's ecosystems. To assess whether a changing N and S deposition regime affects bog porewater chemistry, we sampled bog porewater at sites at different distances from the oil sands industrial center from 2009 to 2012 (10-cm intervals to a depth of 1 m) and from 2009 to 2019 (top of the bog water table only). We hypothesized that: (1) as atmospheric N and S deposition increases with increasing proximity to the oil sands industrial center, surface porewater …
Does Technological Innovations Affect Unemployment In Nigeria?, Ebunoluwa O. Oyegoke, Wasiu A. Yusuf
Does Technological Innovations Affect Unemployment In Nigeria?, Ebunoluwa O. Oyegoke, Wasiu A. Yusuf
Bullion
The study examines the effects of technological innovations on unemployment in Nigeria using annual time series data 1980-2018, Autoregressive Distributed Lag and cointegration bound testing approach, Technological innovations was provided by the inflow of FDI; importation of Machinery and Equipment as indicator for process innovation (ETC), Patent represents product innovation, while Total Factor Productivity serves as the exogenous technical progress in line with Solow. The result shows that the coefficient of the inward Foreign Direct Investments (INFDI) is positive (3.85), which is significant at 5%, indicating a strong positive effect of process innovation on Unemployment, Machinery and Equipment was also …
Board Of Directors' Structure And Corporate Tax Aggresiveness Of Listed Industrial Goods Companies In Nigeria, Muhammad A. Abubakar
Board Of Directors' Structure And Corporate Tax Aggresiveness Of Listed Industrial Goods Companies In Nigeria, Muhammad A. Abubakar
Bullion
Taxation plays a vital role in financing all government projects and activities, as such the studies of tax agressiveness can assist policy makers and tax authorities in addressing companies illegal tax schemes and taxing business more equitable in the sense that every entity pays their fair share of taxes. The study examines the effect of board structure on tax agressiveness of selected industrial goods companies listed in Nigeria Stock Exchange from 2016-2020. Data were obtained from annual report and account of the companies under investigation. Descriptive statistics, ordinary least square regression technique were used to estimate the model. Hausman's specification …
Is The Heterogeneity Of Expenditure Relevant To Economic Growth? The Case Of Nigeria, Efayena O. Oba, Ngozi P. Buzugbe
Is The Heterogeneity Of Expenditure Relevant To Economic Growth? The Case Of Nigeria, Efayena O. Oba, Ngozi P. Buzugbe
Bullion
With the Nigerian economy oscillating around financial quagmire and fast moving towards fiscal unsustainability, this study analysed the impact of disaggregated expenditures on economic growth. Employing data from 1980 to 2019, the study established through the autoregressive distributed lagged technique that heterogeneity in expenditure is relevant to economic growth, with recurrent expenditure contributing insignificantly to economic growth, while capital expenditure negatively impact economic. Thus, among other policy option, the study suggested appropriate expenditure over recurrent expenditure and that government should engage more in the provision of capital projects in the economy.
Activity Series Of The Central Bank Of Nigeria's Development Finance Interventions, Xavier-Itam A. Okoh, George N. Ude
Activity Series Of The Central Bank Of Nigeria's Development Finance Interventions, Xavier-Itam A. Okoh, George N. Ude
Bullion
The Central Bank of Nigeria (CBN) aggresively pursues credit and interest rate policies to promote inclusive economic growth. Through this, it aims to expand availability, access, and affordability of financial capital for micro, small and medium enterprises (MSMEs) With a least 24 MSMEs financing programmes of its own, the Bank manages one of the largest suites of developmental programmes among central banks. This paper attempted to serialize and characterize these programmes, hence determine their activity status and discover patterns of implementation effort patronage, and responsiveness of target enterprises to available incentives. Applying Z-score and min-max methods of normalization and geometric …
Oil Price And Foreign Direct Investment In Nigeria: New Evidence From Structural Breaks And A Nonlinear Analysis, Shehu Muhammad
Oil Price And Foreign Direct Investment In Nigeria: New Evidence From Structural Breaks And A Nonlinear Analysis, Shehu Muhammad
Bullion
The study employed Nn-Linear and Auto-Regressive Distributed Lag (NARDL) method to analyse the link between oil price and foreign direct investment (FDI) using annual data from (1970 to 2018 Bai-Perman (2003) test revealed two structural break periods (1989 and 1995 showing a long-run relationship between oil price and FDI in Nigeria. The findings after NARDL estimation (short and long runs), showed that oil price, exchange rate and trade, negatively and insignificantly influenced FDI while GDP positively impacted on FDI, through insignificant too. The study concluded that though these variables slow down FDI efforts should be geared towards channeling oil funds …
Creasing Of Polyimide Thin Film For Use In Solar Sails, Andrew Allen
Creasing Of Polyimide Thin Film For Use In Solar Sails, Andrew Allen
Electronic Theses and Dissertations, 2020-2023
Polymer thin membranes are used in a variety of deployable structures that require large areas and compact stowage. Packaging membrane structures often involves creasing the membrane along predefined fold lines to enforce the desired kinematics under folding action. Inducing permanent deformation by folding to a high curvature is a common method to create creases, particularly in the design of solar sails. The distinct mechanical characteristics at the crease regions have a profound effect on the subsequent deployment and tensioning of the membrane structures. The mechanical and geometric properties at the crease are related to the crease formation process, but the …
How Does A Veteran Teacher Implement A Prekindergarten Math Curriculum?, Heidi Butterfield
How Does A Veteran Teacher Implement A Prekindergarten Math Curriculum?, Heidi Butterfield
Electronic Theses and Dissertations, 2020-2023
The purpose of this study was to explore how a veteran teacher implemented a state-approved commercial math curriculum in a prekindergarten classroom. In this action research study, guided by ethnographic principles, I employed Spradley's (2016) developmental research sequence to study what resources from the curriculum the teacher used, how the teacher adapted the curriculum, and what influenced the decisions the teacher made while implementing the curriculum. Data collected for this study included: the teacher guide provided by the commercial curriculum; teacher lesson plans; photographs of student created artifacts; the teacher's reflection journal and notes; and videos of a teacher implementing …
Leveraging Multimodal Learning Analytics To Understand How Humans Learn With Emerging Technologies, Elizabeth Cloude
Leveraging Multimodal Learning Analytics To Understand How Humans Learn With Emerging Technologies, Elizabeth Cloude
Electronic Theses and Dissertations, 2020-2023
Major education and training challenges are plaguing the United States in preparing the next generation of the future workforce to meet the demands of the 21st Century. Several calls have been released to improve education programs to ensure learners are acquiring 21st century knowledge, skills, and abilities (KSAs). As we embark on the digital and automation ages of the 21st century, it is essential that we move away from traditional education programs that define and measure KSAs as static constructs (e.g., standardized assessments) with little consideration of the actual real-time deployment of these processes, missing critical information on the degree …
An Exploration Of Enrollment And Graduation Rates As A Result Of Title V Funding At Hispanic-Serving Four-Year Universities, Kelly D'Agostino
An Exploration Of Enrollment And Graduation Rates As A Result Of Title V Funding At Hispanic-Serving Four-Year Universities, Kelly D'Agostino
Electronic Theses and Dissertations, 2020-2023
While the Latinx population continues to grow faster than any other racial population in the United States, Latinx students are graduating from four-year institutions at a rate 12 percent lower than their White peers (Excelencia in Education, 2020b). As first defined in 1992 by the Higher Education Act reauthorization, Hispanic-serving institutions (HSIs) are accredited, degree-granting, non-profit institutions with undergraduate populations made up of at least 25 percent Latinx students. The role of HSIs is important because the majority (66 percent) of Latinx students enrolled in college attend an HSI (Excelencia in Education, 2019). The problem under investigation is that HSI …
Tailoring Of The Left Ventricular Assist Device Cannula Implantation Using Coupled Multi-Scale Multi-Objective Patient Specific Optimization., Abubakar Dankano
Tailoring Of The Left Ventricular Assist Device Cannula Implantation Using Coupled Multi-Scale Multi-Objective Patient Specific Optimization., Abubakar Dankano
Electronic Theses and Dissertations, 2020-2023
Despite advancements in device design and anti-coagulation treatments, there are numerous adverse events that may occur following implantation of LVADs. The most devastating involves the embolization of thrombus into the brain causing a stroke, with incidence of up to 14-47% over a 6–12-month period. This study aims to elucidate ways to reduce this risk by surgical maneuvers guided by a multi-scale computational fluid dynamics analysis wrapped around a multi-objective shape optimization scheme which optimizes the anastomosis location of the VAD outflow graft (OG) along the ascending aorta to minimize the incidence of thrombi reaching the cerebral vessels and reduce particle …
Capsule Networks For Video Understanding, Kevin Duarte
Capsule Networks For Video Understanding, Kevin Duarte
Electronic Theses and Dissertations, 2020-2023
With the increase of videos available online, it is more important than ever to learn how to process and understand video data. Although convolutional neural networks have revolutionized the representation learning from images and videos, they do not explicitly model entities within the given input. It would be useful for learned models to be able to represent part-to-whole relationships within a given image or video. To this end, a novel neural network architecture - capsule networks - has been proposed. Capsule networks add extra structure to allow for the modeling of entities and has shown great promise when applied to …
Change Sustainment Model (Csm) To Address Industry 4.0 In A Classified Environment, Hamilton Ervin
Change Sustainment Model (Csm) To Address Industry 4.0 In A Classified Environment, Hamilton Ervin
Electronic Theses and Dissertations, 2020-2023
Business and engineering have long intersected with each other in industry. In actuality, they are inseparable. That notion drove the thought process and actions taken to observe phenomena within a U.S. Fortune 500, Aerospace & Defense industry, Department of Defense, independent contractor. In Aerospace & Defense, the ability to implement technology freely and change to address an ever-evolving technological landscape in the world has proven to be difficult given the nature of the work performed. U.S. national security must be protected at all times, therefore information sharing guided by a "need-to-know" basis create an inability to easily implement organizational change …
An Exploratory Investigation Of Grit And Its Relationship To Student Integration In Athletic Training Education Programs, Carlos Gual
Electronic Theses and Dissertations, 2020-2023
Students must enroll in rigorous accredited academic programs and pass the National Board of Certification (BOC) examination to become athletic trainers. Therefore, studies in athletic training and student achievement focus on student persistence/retention and BOC Examination pass rates. The majority of studies conclude that cognitive measures like grade point average (GPA) have a relationship with both retention and exam pass rates. However, research should also consider meta-cognitive factors (i.e., personality traits). The purpose of this study was to examine the relationship between athletic training students' grit (a metacognitive factor) and their academic, clinical, and social integration. The population for this …
Topology Optimization Of Internal Cooling Channels In Turbulent Flows, Shinjan Ghosh
Topology Optimization Of Internal Cooling Channels In Turbulent Flows, Shinjan Ghosh
Electronic Theses and Dissertations, 2020-2023
Topology optimization, introduced by Bendsoe and Sigmund in 1988 has been a topic of research in the structural mechanics field for several decades. This technique is commonly used to optimize system performance of structural components with minimum material usage by varying the distribution of materials in a given domain. Fluid dynamic topology optimization, a relatively new research topic uses a method of adding or subtracting materials to a given flow domain to obtain an optimal flow-path for a given objective function. While the structural TO creates a solid structure by introducing holes into the domain, fluid TO introduces solid into …
Secondary Teachers' Perceptions Of Teacher Authenticity, Robert Hovel
Secondary Teachers' Perceptions Of Teacher Authenticity, Robert Hovel
Electronic Theses and Dissertations, 2020-2023
Teachers are confronted with many obstacles when learning to be the best teacher they can for their students. Teachers face challenges such as working with introverted students, developing activities that are fruitful and sustainable for varying students, and keeping students all focused on the goal of learning (Tasgin & Tunc, 2018). However, the authenticity of an instructor, while being researched in college and counseling settings, has not been sufficiently examined in high school settings. The authenticity of the instructor is a motivating factor for students at the college level (Kreber & Klampfleitner, 2013; Kreber & Klampfleitner, 2012; Kreber et al., …
Using Expectation Violation Theory To Evaluate Dialectal Bias In Courtroom Contexts, Christina Joseph
Using Expectation Violation Theory To Evaluate Dialectal Bias In Courtroom Contexts, Christina Joseph
Electronic Theses and Dissertations, 2020-2023
There is much evidence to indicate the role of speaker accent expectations and its impacts on the subsequent rating of the speaker. Additionally, examples including the Central Park Five as well as Rachel Jeantel of the Trayvon Martin case indicate the impacts of this speaker rating particularly in the context of the courtroom. This necessitates the further evaluation of the impact of dialectal bias on speaker ratings especially in the context of a courtroom due to the severity of the impacts. Utilizing a 4x2 between subjects experimental design manipulating on the basis of both dialect and speaker expectation, this study …
An Exploration Of The Impact Of Student Employment And Retention: A Correlational Analysis, Noreen Lewis
An Exploration Of The Impact Of Student Employment And Retention: A Correlational Analysis, Noreen Lewis
Electronic Theses and Dissertations, 2020-2023
"With so many students working, and such large numbers devoting a considerable amount of time to one or more jobs, work is – after going to class- the most common activity in which undergraduates engage" (Kuh, 2018, p. ix). An under-researched factor to investigate why students retain, is participation in an on-campus student employment program. The purpose of the study is to explore the relationship between a student's participation in student employment and if the student retains from their first to second year. Understanding this relationship can provide an opportunity to create positive impact for both the student and institution …
The Impact Of The Community Partnership School Model On Student Self-Efficacy And Civic Engagement, Brandon Lowe
The Impact Of The Community Partnership School Model On Student Self-Efficacy And Civic Engagement, Brandon Lowe
Electronic Theses and Dissertations, 2020-2023
The purpose of this causal-comparative study was to identify the impact of the Community Partnership Schools™ (CPS) model of community schools in the areas of social self-efficacy, academic self-efficacy, emotional self-efficacy, and civic engagement beyond the point of enrollment in the school. To answer the research questions, the researcher compared the responses of 96 high school students that had previously been enrolled in a CPS with the responses of 402 students from racially and socioeconomically similar schools that were not CPS, using the Self-Efficacy Questionnaire for Children (SEQ-C) and the Civic Engagement Scale (CES). Results showed a significant positive correlation …
Acoustoelectric Amplification In Piezoelectric-Silicon Micromachined Lamb Wave Devices, Hakhamanesh Mansoorzare
Acoustoelectric Amplification In Piezoelectric-Silicon Micromachined Lamb Wave Devices, Hakhamanesh Mansoorzare
Electronic Theses and Dissertations, 2020-2023
In this dissertation, heterostructured micro-acoustic devices are explored that leverage the interactions between acoustic phonons and electrons to enable radio frequency (RF) signal amplification or attenuation. Thin films of piezoelectric and semiconductor material are tailored into a heterostructure that allows for a strong acoustoelectric (AE) effect due to the combination of high electromechanical coupling and high electron drift velocity in said films respectively. In such devices, the relative electron drift and acoustic velocities could determine whether the RF signal undergoes AE gain or loss, rendering the device non-reciprocal. This is a highly sought-after property for building isolators and circulators which …
A Mixed-Methods, Grounded Theory Study Of Online Meaning-Making During The Pandemic, Kaitlyn Montcrieff
A Mixed-Methods, Grounded Theory Study Of Online Meaning-Making During The Pandemic, Kaitlyn Montcrieff
Electronic Theses and Dissertations, 2020-2023
To be human is to seek to understand the known and unknown world. The Covid-19 pandemic offers researchers the opportunity to examine online meaning-making on a more ubiquitous magnitude than ever experienced in history, without positioning the digital world as less authentic, or distinct, from the physical. Using mixed-methods grounded theory, this study posed the research question: (RQ) How do high school parents use an online community to (re)conceptualize aspects of contemporary society? The NRC Emotion Intensity lexicon (Mohammed, 2018) was used to score online forum posts from 2018-2021 using eight emotions to quantitatively represent changes over time. The qualitative …
Data Driven Methods For Large Scale Network Level Traffic Modeling, Rezaur Rahman
Data Driven Methods For Large Scale Network Level Traffic Modeling, Rezaur Rahman
Electronic Theses and Dissertations, 2020-2023
Rapid growth in population along with urban-centric activities impose a massive demand on existing transportation systems, thus increasing traffic congestion and other mobility related challenges. To overcome such challenges, we need network-scale models to accurately predict real-time traffic demand and associated congestion. However, traditional network modeling approaches have shortcomings due to the complexity in traffic flow modeling, limited scope to incorporate real-time data available from emerging data sources and requiring excessive computation time to generate accurate estimation of traffic flows. Advancement in traffic sensing technologies with big data has created a new opportunity to overcome these challenges and implement deployable …