Digital Commons Network^™

An Adaptive Creep Modeling Approach Using Metamodeling, Mohammad Shafinul Haque

Open Access Theses & Dissertations

Recent drives to increase the efficiency of existing fossil energy power plants and the development of Advanced Ultrasupercritical power plants, have led to designs with steam pressures above 4000 psi and temperatures exceeding 1400°F. The complexity of the applied thermo-mechano chemical boundary conditions makes it critically important to consider creep and creep related failures. A primary concern to FE practitioners is the determination of which constitutive models are the "best", capable of reproducing the mechanisms expected in an intended design accurately; as well as what experimental data sets are proper or "best" to use for fitting the constitutive parameters needed …

Evaluating Fold And Thrust Systems Within An Inverted Basin: Indio Mounntains, West Texas, Myra Guerrero

Open Access Theses & Dissertations

Fold and thrust belts often are complicated by out of sequence thrust faulting and inverted basins display these structures particularly often due to reactivation of original normal faults as well as complex topographic evolution. The Indio Mountains lie along the northern margin of the Chihuahua trough which formed as a mid-Cretaceous extensional basin and was subsequently shortened during the Laramide orogeny, making the Indio Mountains an exceptional site for studies of structures produced by large scale basin inversion. This study focuses on the subsurface structures in a complexly imbricated thrust window developed along the paleo rift basin margin.

This study …

Literacies Of The Disaster Zone: New Media Genres And Participatory Rhetorics After The 2010 Gulf Of Mexico Oil Spill, R. J. Lambert

Open Access Theses & Dissertations

On April 20, 2010, explosions at the British Petroleum (BP) Macondo Project in the Gulf of Mexico initiated what would become the world's largest accidental release of oil into the ocean. This ecological disaster, a unique combination of natural and human causes, is one of many significant traumas over approximately the last two decades that various stakeholders have documented, participated in, and responded to largely through the expanding and increasingly ubiquitous media of the internet, computers, cell phones, and other networked communicative technologies, which both enable and constrain the variety of responses to traumatic events.

This Dissertation improves our understanding …

Change In The Organization Socialization Of The United States Border Patrol's Basic Law Enforcement Training Academy: A Supervisor's Perspective, Vic M. Manjarrez

Open Access Theses & Dissertations

This study examines the role of a changed organizational socialization process on supervisory adaptation. The research study is motivated by the central question: how do supervisors adapt in their role as supervisors when the initial organizational socialization process has changed. Literature on socialization in policing has focused almost exclusively on long-term job satisfaction, while literature on police supervisory adaptation centers on leadership approaches. Previous research on police socialization clearly indicates the process is a series of stages filled with "rite of passages". There is no distinction between the socialization of a non-supervisor officer versus a supervisory officer. The literature is …

On Racial Barriers, Kayla Rachel Mehl

Open Access Theses & Dissertations

My Thesis examines: the nature of racial barriers, by what means racial barriers manifest in society, and the ways in which we can use racial barriers to evolve toward a more just society. I argue that within particular contexts a look of the Other will construct a racial barrier between racialized bodies. More specifically, when one perceives a threat from a look of the Other, one will undertake a particular-what social psychologists call-self-representation, in attempt to exhibit a particular type of persona they feel is called for in that context. Furthermore, I argue in my paper that racial barriers emerge …

Spatial Genres Of Revitalization: Desiring-Machines And The Production Of Public Subjects, Larry S. Morgan

Open Access Theses & Dissertations

This project, Spatial Genres of Revitalization: Desiring-Machines and the Production of Public Subjects, is guided by the need to understand how the recent changes in El Paso's gentrifying downtown are impacting the development of public subjectivities. This Thesis is concerned with how the formation of public subjectivities is occasioned by changes in a city undergoing "revitalization" in terms of how people move through urban space. At the same time it is also concerned with how the people moving these spaces imagine and configure it to different ends which surpass the intention and violence of gentrification.

To this end, Spatial Genres …

Characterization Of 3d Printed Polylactic Acid/ Polycaprolactone/Titanium Dioxide Composites For Bone Replacement And Grafting, Sandra Elena Najera Beltran

Open Access Theses & Dissertations

A material that mimics the properties of bones was developed by optimizing the ratio of polymer composites of polylactic acid (PLA) and poly-ε-caprolactone (PCL), containing small amounts of titanium oxide (TiO2). Although titanium-based alloys have commonly been used for bone replacement procedures due to their biocompatibility with the human body and their mechanical properties, stress shielding continues to be a problem. The structure of a bone has a porosity which permits the flow of nutrients, blood, oxygen and minerals, and is an issue at the time of creating bone replacements using conventional methods. PLA and PCL have been used in …

Process Evaluation Of The Batterer Intervention And Prevention Program Of The Center Against Sexual And Family Violence In El Paso, Texas, Kathleen Anne O'Connor

Open Access Theses & Dissertations

Background: Intimate partner violence (IPV) is a significant public health issue. One in five women and one in seven men will experience severe physical violence from an intimate partner in their lifetime in the US; and one in three women globally (Breiding, Basile, Smith, Black, & Mahendra, 2015; World Health Organization, 2017). Notwithstanding such stark statistics, there is a gap in research on batterers and on batterer intervention and prevention programs (BIPP). Purpose: Program processes related to follow-up of clients were evaluated at the Center Against Sexual and Family Violence Batterer Intervention and Prevention Program (CASFV BIPP) through a mixed-methods …

Geophysical Studies Of Southwestern Part Of The North American Craton, Luis Martin Sandoval Magallanes

Open Access Theses & Dissertations

The present study, based on combined geophysical, geochronological and isotopic data identifies a cratonic block which we call the Western Chihuahua-Mesa Central megablock (WCMB) in northern Mexico. New Bouguer and isostatic gravity anomaly maps revealed a conspicuously distinct, spatially-extensive gravity minima over a region extending from north western Chihuahua to as far south as the Mesa Central (MC). This region can be differentiated from the surrounding mobile belts with significantly higher gravity anomaly values. Gravity modeling combined with sparse seismically determined crustal thickness estimates indicate that the proposed WCMB region has crustal thicknesses ranging from 38 to 42 km. The …

Using Data Mining To Model Student Achievement On The 4th Grade Timss 2015 Mathematics Assessment: A Five Nation Sudy, Annette M. Siemssen

Open Access Theses & Dissertations

Data mining has been successfully used by financial and retail companies since the mid-1960's to create predictive models and reveal unexpected relationships. However, it remains underutilized as a tool in educational research. Large-scale standardized assessment programs such as the Trends in International Mathematics and Science Study (TIMSS) provide vast amounts of data with the potential for providing new insights in education. Five nations, the Republic of Korea, the United States, Germany, Kuwait, and Kazakhstan were selected based on General Response Style theory to represent a spectrum of cultural backgrounds, from acquiescent to midpoint to individualistic (Hastedt, D. & van de …

An Integrated Study Towards Curing Neurodegenerative Disorders Using Materials Science And Stem Cell-Based Tissue Engineering Approaches, Nishat Tasnim

Open Access Theses & Dissertations

Neurodegenerative diseases affect around one billion people globally that are characterized by irreversible degeneration of brain tissues. These diseases cause serious effects on patients degrading their brain functions and causing enormous physical and mental health issues. Parkinson's disease (PD) is one of the most common neurodegenerative disorder affecting millions of people worldwide which results from loss of dopaminergic (DA) neurons in the mid-brain. Unfortunately, no medical treatment is effective to date for these significant brain disorders, except some symptomatic therapies only focusing on improving the quality of patient's life.

Two current approaches hold great promise in targeting PD as well …

Community College Writing Program Administrators: Implementing Change Through Advocacy, Lizbett Tinoco

Open Access Theses & Dissertations

This Dissertation, Community College WPAs: Implementing Change Through Advocacy, examines the work and role of Writing Program Administrators (WPAs) at community colleges. Defining the role and the work of WPAs is very complex, and even more so at community colleges since these institutions are very diverse places in regards to programmatic structure and student population. The scholarship of writing program administration has typically excluded community colleges; as a result, my research focuses on including these narratives. Unlike a lot of WPA narratives that often describe WPAs as "composition wives" (Schuster, 1991; Hesse, 1999) who do much of the dirty work …

Decision Making For Dynamic Systems Under Uncertainty: Predictions And Parameter Recomputations, Leobardo Valera

Open Access Theses & Dissertations

In this Thesis, we are interested in making decision over a model of a dynamic system. We want to know, on one hand, how the corresponding dynamic phenomenon unfolds under different input parameters (simulations). These simulations might help researchers to design devices with a better performance than the actual ones. On the other hand, we are also interested in predicting the behavior of the dynamic system based on knowledge of the phenomenon in order to prevent undesired outcomes. Finally, this Thesis is concerned with the identification of parameters of dynamic systems that ensure a specific performance or behavior.

Understanding the …

Analyzing School-Wide, Project-Based Learning In A Middle School: From A Cultural Historical Activity Theory Perspective, Laura Venegas

Open Access Theses & Dissertations

Recognizing the importance of preparing students for the 21st century along with meeting the accountability measures, educators must continually seek those educational practices that will support both endeavors. Through the literature and during this research, project-based learning has emerged as a promising curriculum tool that answers these objectives. To implement 21st century educational experiences, project-based learning has been attempted in various capacities of specific contents, grade levels and individual teachers; however, there has been limited application of a school-wide practice. While there is potential of project-based learning as a transformative curriculum tool in education, challenges of implementation still exist. Given …

We Make Our Own Heaven Here, Allyson Whipple

Open Access Theses & Dissertations

The poems in We Make Our Own Heaven Here are grouped around a series of artistic and intellectual concerns. The opening section of We Make Our Own Heaven Here covers a wide range of distances, as well as a number of topics, but ultimately, the pieces are grounded in the variegated landscape of Texas. In terms of subject matter, these are poems of ambivalence and tension. In these pieces, the speaker comes up against the beauty of the natural world, but also the danger within it. The poems in the second section of We Make Our Own Heaven Here engage …

Re/Framing The Hispanic/Latino Nonprofit Identity, Jasmine Villa

Open Access Theses & Dissertations

The focus of my Dissertation is to examine how an organizational identity is constructed rhetorically by three Hispanic/Latino based non-profit organization. By looking at how a non-profit organization's online presence contributes to the transformation of the organization as a public, we are able to see rhetoric as a discursive and material practice taking place.

Fear Of Missing Out: Scale Development And Impact On Brand Loyalty, Zhuofan Zhang

Open Access Theses & Dissertations

The trend on experiential marketing has propelled a new wave of studies examining the underlying motivations of individual's desire for experiential consumption: keeping updated with new trends, trying new brands, spending on experiential products, or seeking new brand experiences. Some authors contend that individuals' desire for new experiences derives from a concept called Fear of Missing Out (FoMO). Although the term FoMO is gaining attention in the social media literature, there is little conceptual and empirical research exists on the topic. In this Dissertation, I attempt to fill this gap by conceptualizing, defining, and measuring the construct. In addition, I …

The Perceived Influence Of Ethics Education In Business, Jessica Selensky

Honors Theses and Capstones

No abstract provided.

Predictive Analytics For Fantasy Football: Predicting Player Performance Across The Nfl, Jack W. Porter

Honors Theses and Capstones

The goal of this research is to develop a quantitative method of ranking and listing players in terms of performance. These rankings can then be used to evaluate players prior to and during a fantasy football draft. To produce these rankings, we develop a methodology for forecasting the performance of each individual player (on different metrics) for the upcoming season (16 games) and use these forecasts to estimate player fantasy football scores for the 2018 season.

More specifically, this work answers the following:

1. In what order should players be drafted in a 2018 fantasy football draft and why?
2. Which players …

Effects Of The Mortalin Inhibitor Mkt-077 On The Tumor Suppressor P53 In Neuroblastoma Imr-32 Cells, Yusuf Ebrahim

Honors Theses and Capstones

The tumor suppressor protein, p53, is an important cell cycle regulator in humans. Over half of all human cancers involve disruption of p53 function. One way this is achieved is by tethering p53 to the mitochondrial 70 kilodalton heat shock protein (Hsp70), mortalin, in the cytoplasm, and preventing p53 from entering the nucleus. The mortalin inhibitor, MKT-077, binds competitively to the p53 binding site in mortalin, and disrupts the p53-mortalin complex in cancer cell lines, allowing p53 to enter the nucleus and promote apoptotic cell death. Previous research reported that cytoplasmic tethering of p53 occurs in certain human neuroblastomas. Thus, …

Friend From France: The Popular Image Of The Marquis De Lafayette In Early America, Elisabeth Iacono

Honors Theses and Capstones

This paper addresses the impressions the Marquis de Lafayette made upon the American people during the American Revolution and his return tour in 1824. As someone who has admired Lafayette since I was young, I was aware of the fact that many locations are named after the general and that he plays a prominent role in shows such as the Broadway musical Hamilton. I wanted to study why Lafayette had such an impact on the American people, and why he has been memorialized in a positive manner. As a promoter of liberty, Lafayette was embraced by the colonists for his …

Current Trends In Same-Sex Couples In The United States: How Race And Gender Affect Education, Income Levels, And Urban Living, Emily Lane Haley

Honors Theses and Capstones

No abstract provided.

An American Hugo Chávez? Investigating The Comparisons Between Donald Trump And Latin American Populists, Charlotte Blair Harris

Honors Theses and Capstones

Following the 2016 presidential election of populist outsider Donald Trump, several think pieces throughout the popular press conjectured a comparison between Trump and former Venezuelan president Hugo Chávez. Citing their populist rhetoric, brash and coarse sense of humor, and shared propensity for fiery tirades against the press, these articles made foreboding predictions about the status of American democracy. However, these short and sometimes anecdotally-based opinion pieces failed to acknowledge several important differences between Trump and Latin American populists like Chávez. This paper will address this gap in understanding by evaluating the comparison from an academic perspective. Through in-depth case studies …

An Examination Of Student Self-Regulation Learning Strategies In Online Courses At A Hispanic Serving Institution, Ricardo Acevedo

Open Access Theses & Dissertations

The study examined student utilization and application of learning strategies in college level online courses and the context was a Hispanic Serving Institution (HSI) in the Southwest. Even though online courses continue to grow at a steady pace, few research studies have taken the task to analyze the utilization of learning strategies and their utility in online learning programs and under the fold of student success. The overarching purpose of the present study was to delve into important student factors across learning strategies under this instructional format. For the present study a multivariate analysis of covariance with five outcome variables …

Computational Modeling Of Ring Dna-Carbon Nanotube Sensors, Aliasghar Alizadehmojarad

Open Access Theses & Dissertations

Non-covalent interactions between single-stranded DNA (ssDNA) oligonucleotides and carbon nanotubes have provided a unique class of tunable chemistries for applications in nanotube chirality purification, gene delivery, electrochemistry, and nanosensor development. However, mechanistic insight into both the photophysical and intermolecular phenomena underlying their utility in such applications is lacking, resulting in non-systematic approaches to producing DNAnanotube based technologies. In this work, we explore the molecular interactions between ssDNA polymers, in particular (GT)6, and single-walled carbon nanotubes (SWNT) in an ultrasensitive nanosensor for a modulatory neurotransmitters dopamine. Classical molecular dynamics simulations show that (GT)6 oligonucleotides adopt ordered, ring-like conformations around SWNT in …

Effects Of Gradation And Moisture Content On Resistivity Of Mechanically Stabilized Earth Wall Backfill Materials, Jose Luis Arciniega

Open Access Theses & Dissertations

The service life of mechanically stabilized earth (MSE) walls depends on the corrosion rate of the metallic reinforcement used in their construction. The resistivity of the backfill aggregates needs to be measured accurately in order to estimate realistically the corrosion rate of the reinforcement. Resistivity testing is usually performed using the traditional soil box on the portion of the aggregates that passes a No. 10 or No. 8 sieve to either select or reject the backfill. For a more reasonable characterization of the corrosivity of coarse backfills, it is desirable to use their actual gradations. To that end, several resistivity …

Differentiating Darkness: Decision-Making Differences Between Psychopathy And Machiavellianism, Jessica R. Carre

Open Access Theses & Dissertations

Machiavellianism and psychopathy are correlated but distinct personality traits that are associated with interpersonal manipulation and selfish behaviors (Paulhus & Williams, 2002). Based on a recent meta-analytic review, researchers have questioned whether these traits are distinct (Miller, Hyatt, Maples-Keller, Carter & Lynam, 2016). These meta-analytic reviews, however, have largely been based on atheoretical studies examining the relationship of these traits with self-reported outcomes. The purpose of the present research was to directly test the differences between Machiavellianism and psychopathy with respect to fundamental decision-making processes. In study one, the difference between psychopathy and Machiavellianism was assessed in terms of passive …

High Recovery Inland Desalination: A Technical And Economic Performance Evaluation Of Zero Discharge Desalination And Other Technologies, Malynda Aragon Cappelle

Open Access Theses & Dissertations

Increasing population and diminishing freshwater resources are leading to increased competition between users of freshwater, both in terms of surface water and groundwater. Desalination can augment the water supply, but conventional approaches like reverse osmosis are usually limited to 70-80% recovery. Inland brine disposal options are often limited, presenting significant technical and economic obstacles to implementing desalination technology. In comparison to conventional desalination technologies, high recovery desalination methods such as Zero Discharge Desalination (ZDD) offer substantially higher potable water yield (i.e., 95-98%) from brackish water. ZDD is a hybrid process that combines reverse osmosis (RO) or nanofiltration (NF) with electrodialysis …

Language Attitudes Toward Mexican Spanish-Accented And Standard Varieties Of English, Michelle Aguilar

Open Access Theses & Dissertations

The unique demographics of El Paso, Texas show that it is a site with intense Mexican-American ethnolinguistic contact that creates a co-existence of different English and Spanish varieties. In El Paso, approximately 80 percent of the population identifies as Hispanic or Latino and approximately 95 percent of that group has reported to be of Mexican ancestry (Statistical Atlas, 2015). As a result, Spanish is spoken by 68 percent of the population (United States Census Bureau, 2016). Yet, particular Hispanic-accented English varieties spoken in the region, (Chicano English and Mexican Spanish-accented English), are stigmatized. The focus of this study will be …

Geostatistical And Geospatial Distribution Of Multiple Metallic Elements In Agricultural Regions Of The Mid-Continental Usa, Najwah Alssaeidi Ahmed Almesleh

Open Access Theses & Dissertations

Regional geochemical mapping constitute the chemistry of the surface of the earth in a large scale and relatively low sample density. It is widely accepted scientific activity and man uses some cases to identify contamination. In the present study, data present in national geochemical survey database was used to investigate the chemical loading loading of the agricultural soil. In the mid-continent region of the United States. Several traditional parameters were used mainly the enrichment factor (EF), and geoaccumulation index (I geo). Total chemical influence (TCI) maps were used to guide sampling. In addition, regional trace element chemistry of bedrock was …