Digital Commons Network^™

Dynamic Modeling Of A Coal Mill For Simultaneous Dynamic Data Reconciliation And Parameter Estimation, Vinayak Dwivedy

Graduate Theses, Dissertations, and Problem Reports (ETD)

In comparison with other gaseous and liquid fossil fuels used in power production, a coal fired power plants requires additional equipment for fuel preparation. A medium speed mill is usually a preferred equipment which serves in grinding and drying of the raw feed coal. Due to the high recycle of coal particles within a medium speed coal mill, the mill performance is sensitive to the efficiency of grinding and classification operations within mill. The goal of this research is to study the performance of the milling system and develop a method to estimate some of the unmeasured variables, which include …

Understanding Visitor Use At Florida Keys National Marine Sanctuary, Melissa Maria Hurtado Alvarez

Graduate Theses, Dissertations, and Problem Reports (ETD)

Effective management and monitoring of visitor recreational use is fundamental in marine protected areas. It is common to hear that tourism and outdoor recreation are often qualified as double-edged activities, making valuable socioeconomic contributions but also causing degradation of the environment. The convergence of social and natural resource research and practices can help managers to create better policies that will maximize human benefits from, and minimize human pressures on, ocean and coastal environments. For this study online surveys were sent via Qualtrics to email addresses obtained from the state of Florida during the summer of 2020. The first paper assessed …

Terrestrial Salamander And Ant Community Responses To Imidacloprid Application In Central Appalachian Eastern Hemlock Forests, Lenza E. Paul

Graduate Theses, Dissertations, and Problem Reports (ETD)

Imidacloprid is the most widely used insecticide in the world and has been found to impact non-target taxa in systems in which it is applied. It is used as the primary treatment method in the protection of eastern hemlocks (Tsuga canadensis) from impacts of hemlock woolly adelgid (HWA; Adelges tsugae), an invasive insect in the U.S. that is causing widespread mortality of hemlock trees. In this study, we investigated whether imidacloprid applied in eastern hemlock forests is impacting woodland salamander and ant communities.

In Chapter 1, I provide an overview of the ecological importance of eastern hemlocks …

Searching Harder, Localizing Better, Classifying Faster: Optimizing Fast Radio Burst Detection And Analysis, Kshitij Aggarwal

Graduate Theses, Dissertations, and Problem Reports (ETD)

Fast Radio Bursts (or FRBs) are millisecond-duration transients of extragalactic origin. They exhibit dispersion caused by propagation through an ionized medium, and quantified by Dispersion Measure (DM). Around 800 FRBs (24 repeaters) have been discovered; so far, 24 FRBs have been confidently associated with a host galaxy. In this thesis, we discuss multiple new FRB search and analysis techniques and the corresponding tools that enable us to search for FRBs harder, localize them better, and classify candidates faster.

We discuss five open-source software suites that can be used in FRB analysis. These suites are used to distinguish between FRBs and …

Response Of Forest Birds To Spotted Wing Drosophila (Drosophila Suzukii Matsumura), A Novel Invasive Fruit Pest, At Allegheny National Forest, Daniel P. Roche

Graduate Theses, Dissertations, and Problem Reports (ETD)

Non-native invasive insect pests can have dramatic impacts on native ecosystems, feeding on plant foliage, wood, or sap. Little is known, however, about how fruit-targeting NNIIPs may affect native ecosystems. Spotted wing Drosophila (Drosophila suzukii Matsumura, SWD) is a recently introduced invasive vinegar fly that parasitizes the fruits of many plant species in the United States. While its activity in agricultural systems is well-documented, little is known about its activity in forest ecosystems, despite growing evidence of its presence and parasitism of fruits there. Parasitism could reduce fruit attractiveness for vertebrate fruit consumers, including migratory birds. As such, this …

Francis Poulenc: The Compositional Influences Of Les Six And Sergei Prokofiev On The Poulenc Oboe Sonata (1962), Evan Klein

Graduate Theses, Dissertations, and Problem Reports (ETD)

This research document contextualizes the compositional influences found within Francis Poulenc’s oboe sonata. In his lifetime, Poulenc was an extremely well-connected individual, often dedicating his works to his close friends and patrons. The Sonata for Oboe and Piano, in particular, is one of these compositions dedicated to his friend and famous composer Sergei Prokofiev. Written in 1962 toward the end of Poulenc’s life, he glanced back to the start of the twentieth century for inspiration and source material. The oboe sonata is then a collage of sorts—it takes on the shared contextual principles of Les Six in which he was …

Assessing Synthetic Aperture Radar (Sar)-Derived Temporal Patterns And Digital Terrain Data For Palustrine Wetland Mapping, Jaimee L. Pyron

Graduate Theses, Dissertations, and Problem Reports (ETD)

Palustrine wetland systems are important ecosystems and provide numerous ecosystems services to support society. Unfortunately, they remain under constant threat of devastation due to land use practices and global climate change, which underscores the need to identify, map, and monitor these landscape features. This study explores harmonic coefficients and seasonal median values derived from Sentinel-1 synthetic aperture radar (SAR) data, as well as digital elevation model (DEM)-derived terrain variables, to predict palustrine wetland locations in the Vermont counties of Bennington, Chittenden, and Essex. Support vector machine (SVM) and random forest (RF) machine learning models were used with various combinations of …

Hands And Health: Quantifying Occupational Exposures And Implications Of Disability, Sueann R. Woods

Graduate Theses, Dissertations, and Problem Reports (ETD)

Introduction: Hand grip strength (HGS) has been negatively correlated with both biologic, cognitive, and mental health markers. Aim one investigated how occupational metabolic equivalents (OMETs), impacted HGS. Aim two investigated lost time from work and the association with HGS. Finally, aim three investigated the health outcomes of workers’ compensation claimants who have lost time from work, following diagnosis of CTS.

Results:HGS was positively associated with OMET (rs = 0.078, p = 0.009). Linear regression model demonstrated a statistically significant association between HGS and OMETs, F(1, 31) = 9.735, p = .001. Aim two found that all occupation groups had …

The Effect Of Bilingual Proficiency In Indian English On Bilabial Plosive, Taniya Chawla

Graduate Theses, Dissertations, and Problem Reports (ETD)

Background: Bilingual speech production studies have highlighted that level of proficiency influences the acoustic-phonetic representation of phonemes in both languages (MacKay, Flege, Piske, & Schirru 2001; Zárate-Sández, 2015). The results for bilingual speech production reveal that proficient/early bilinguals produce distinct acoustic properties for the same phoneme in each language, whereas less proficient/late bilinguals produce acoustic properties for a phoneme that is closer to the native language (Flege et al., 2003; Fowler et al., 2008). Acoustic-phonetic studies for Hindi (L1) and Indian English (L2) for bilingual speakers have been understudied, and the level of proficiency has not been considered in Hindi …

Examining Relationships Among Person Factors, Psychosocial Factors, And Coping Patterns In People Living With Type 2 Diabetes Mellitus In North Central Appalachia, Melissa A. Mccoy

Graduate Theses, Dissertations, and Problem Reports (ETD)

Background: Diabetes is a complex, debilitating illness that imposes disease burden on the individual and society. T2DM is more prevalent in the Appalachian region than in any other Region of the United States. If diabetes is poorly controlled, patients are at risk for negative health outcomes. A gap exists in the literature related to understanding of the relationships among person factors, psychosocial factors, and coping patterns. Another gap in the literature is sex differences among these variables.

Purpose: The purpose of this study is to examining relationships among person factors, psychosocial factors, and coping patterns in people living with T2DM …

Current Trends In The Management Of Endodontic Emergencies, Asmi Shah

Graduate Theses, Dissertations, and Problem Reports (ETD)

Introduction: The management of endodontic emergencies has changed over the last few decades and varies from practice to practice. This is due to the development of new materials, new irrigation techniques, and new evidence-based research which supports clinical success. An updated questionnaire is necessary to further advance the clinical knowledge in endodontic emergencies based on current practices. Therefore, the purpose of this research is to determine the difference practice modalities between members who are board certified, who are not board certified, and endodontic graduate residents.

Materials and Methods: In 2021, every member of the American Association of Endodontics …

Judicial Independence In Pakistan: A Case Study Of Lawyers’ Movement, 2007-2009, Shabbir Ahmad Khan

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study focuses on a social movement, the Lawyers’ Moment 2007-2009 of Pakistan, a transitioning democracy, which brought vast changes in its judicial system, especially in terms of its judicial independence. There are three main research questions in this study: 1) the status of judicial independence before the Lawyers’ Movement; 2) was judicial independence a major goal in the Lawyers’ Movement? and 3) did the Lawyers’ Movement alter the status of judicial independence? The research methodology used to explore the answers to these questions also has three main sources: 1) the literature which explains some areas of scholarship in social …

Parenting Stress As A Moderator Of The Relationship Between Child Emotional And Behavioral Problems And Parental Readiness For Change, Connor Fais

Graduate Theses, Dissertations, and Problem Reports (ETD)

The current study applied the Transtheoretical Model of Behavior Change (Prochaska & DiClemente, 1983) to parenting behavior, as past research has suggested that increasing parental motivation and readiness for change is associated with greater client participation and improved therapeutic outcomes (Dowell & Ogles, 2010; Karver et al., 2006). The current study attempted to replicate Jones et al.’s (2017) primary findings and add to the current body of literature on parental readiness for change by examining parenting stress as a moderator of the relationship between internalizing and externalizing child problems and parental readiness for change (Jones et al., 2017; Wade & …

Do We Matter? The Attention Policy Makers, Academics, And The General Public Give To Accounting Research, F. Greg Burton, Scott L. Summers, T. Jeffrey Wilks, David A. Wood

Faculty Publications

Many question the value of accounting scholarship to society. We compared the attention the general public, policy makers, and academics give to academic accounting research relative to other business disciplines and other more general disciplines (economics, psychology, and other sciences). The results indicate that accounting research receives significantly less attention from the general public than all other disciplines and also performs relatively poorly in receiving policy makers’ attention compared to both economics and finance. Articles in other disciplines’ elite journals cite relatively little of accounting’s elite-level publications, but non-elite journal articles cite accounting research in similar numbers to other disciplines. …

“Portability Of The Ube: Where Is It When You Need It And Do You Need It At All?”, Suzanne Darrow- Kleinhaus

Scholarly Works

No abstract provided.

Bringing Judaism Downtown: A Smart Growth Policy For Orthodox Jews, Michael Lewyn

Scholarly Works

Until the late 20th century, the most rigorously traditional Jews, haredi Jews (often referred to as “ultra-Orthodox”) tended to congregate in New York City. But as New York became more expensive and haredi population grew due to high birth rates, some haredi Jews (known collectively as “haredim”) moved to small towns and outer suburbs in search of cheaper land, sometimes creating towns dominated by haredim such as Kiryas Joel, New York and Lakewood, New Jersey. As haredi populations have continued to grow, their households now seek undeveloped land outside these enclaves. But as haredim move deeper into the countryside, zoning …

The Limits Of Equity, Michael Lewyn

Scholarly Works

"Equity" is a common buzzword in urban planning circles. However, nearly any land use decision can be justified as more equitable than the alternatives.

Blockchain Technology: A Survey Of Croatian Business Leaders, Dražen Zec, William G. Heninger

Faculty Publications

Blockchain or distributed ledger technology emerged over ten years ago as the underlying technology of bitcoin. Blockchain is a special kind of database with individual records or blocks linked together in a sequential list called chain of blocks. These records are validated by multiple nodes in peer-to-peer networks and they are immutable. It is a decentralized system, with no need for intermediaries where all decisions are made using different consensus mechanisms. High expectations from blockchain technology, combined with a lack of deeper knowledge about the technology are expressed in the results from the survey conducted on a sample of Croatian …

Pitman B. Potter - Publications Record [Bibliography], Pitman B. Potter

All Faculty Publications

Bibliography of Pitman B. Potter

Reflections On Building And Then Teaching In A Hyflex Classroom At Allard Hall, Douglas C. Harris, Samuel Beswick

All Faculty Publications

How to teach in a pandemic? This is the question we were forced to answer over the course of a weekend in March when UBC’s physical campus closed and in-person teaching was no longer possible. The pivot to the world of online teaching was abrupt and reactive; there simply wasn’t time to do anything other than keep courses going as best we could, with technology and techniques we were learning as we taught.

Recruiting And Retaining School Psychologists: The Role Of District Level Administrative Supervisors, Ellie L. Young, Rachel Butler, Timothy B. Smith, Sterling Hilton, Alivia Smith

Faculty Publications

A shortage of school psychologists has been evident since the profession was initially recognized as a distinct field, and there is insufficient research on what current administrative supervisors are doing to address this problem. This qualitative study examined the perceptions of district level administrative supervisors regarding recruitment and retention of school psychologists. Participants reported the following: (a) school psychology graduate programs not producing enough school psychologists, (b) challenges of finding school psychologists to hire, (c) competing with neighboring school districts, and (d) trying to recruit and retain in a worker’s market that favors the school psychologist. These administrative supervisors also …

Non-Consensual Condom Removal In Canadian Law Before And After R. V. Hutchinson, Isabel Grant, Lise Gotell

All Faculty Publications

This paper examines the phenomenon of nonconsensual condom removal (NCCR) and its relationship to sexual assault in Canada. Using empirical studies and the insights of feminist theory, we explore the nature of the harms caused by NCCR and contend that this pervasive practice constitutes sexual assault. We then critique the decision of R v Hutchinson, which held that condom sabotage does not negate subjective consent, ignoring the dignitary harms of NCCR. While lower court decisions before Hutchinson recognized that consent to sex with a condom does not include consent to sex without, courts after Hutchinson have struggled to distinguish the …

Freedom Of Thought At The Ethical Frontier Of Law & Science, Marcus Moore

All Faculty Publications

Some of the most compelling contemporary ethical questions surround 21st Century neuroscientific technologies. Among these, neurocognitive intervention technologies allow an unprecedented ability to alter thought. Concerns exist about their impact on individual freedom, behavior and personhood. They could also distort society, eroding core values of dignity, equality, and diversity. Potent laws are needed to anchor regulation in this rising field. The article explores how the long-neglected human right of Freedom of Thought might protect the integrity of the mind at the legal system’s highest level. Sample cases illustrate how it could be given effect ethically and legally to set boundaries …

Em Estimation For Zero- And K-Inflated Poisson Regression Model, Monika Arora, N. Rao Chaganty

Mathematics & Statistics Faculty Publications

Count data with excessive zeros are ubiquitous in healthcare, medical, and scientific studies. There are numerous articles that show how to fit Poisson and other models which account for the excessive zeros. However, in many situations, besides zero, the frequency of another count k tends to be higher in the data. The zero- and k-inflated Poisson distribution model (ZkIP) is appropriate in such situations The ZkIP distribution essentially is a mixture distribution of Poisson and degenerate distributions at points zero and k. In this article, we study the fundamental properties of this mixture distribution. Using stochastic representation, we …

Repeated Word Production Is Inconsistent In Both Aphasia And Apraxia Of Speech, Tyson G. Harmon, Katarina L. Haley, Kevin T. Cunningham, Adam Jacks, Jessica D. Richardson, Peter E. Turkeltaub

Faculty Publications

Purpose: There is persistent uncertainty about whether sound error consistency is a valid criterion for differentiating between apraxia of speech (AOS) and aphasia with phonemic paraphasia. The purpose of this study was to determine whether speakers with a profile of aphasia and AOS differ in error consistency from speakers with aphasia who do not have AOS. By accounting for differences in overall severity and using a sample size well over three times that of the largest study on the topic to date, our ambition was to resolve the existing controversy.

Method: We analyzed speech samples from 171 speakers …

A Deblurring/Denoising Corrected Scintigraphic Planar Image Reconstruction Model For Targeted Alpha Theory, Charles Ross Schmidtlein, Matthew Maroun, Andrzej Krol, Howard Gifford, Lisa Bodei, Joseph O'Donoghue, Ida Häggström, Yuesheng Xu, Si Li

Mathematics & Statistics Faculty Publications

Scintigraphy is a common nuclear medicine method to image molecular target’s bio-distribution and pharmacokinetics through the use of radiotracers and gamma cameras. The patient’s images are obtained by using a pair of opposing large flat gamma ray detectors equipped with parallel-hole lead or tungsten collimators that preferentially detect gamma-rays that are emitted perpendicular to the plane of the detector. The resulting images form an anterior/posterior (A/P) planar image pairs. The obtained images are contaminated by noise and contain artifacts caused by gamma-ray attenuation, collimator penetration, scatter and other detrimental factors. Post-filtering of the images can reduce the noise, but at …

A Foundation For Collaboration: An Analysis Of Robert Schumann’S Dichterliebe, Op. 48, Kailang Zhan

Graduate Theses, Dissertations, and Problem Reports (ETD)

This paper provides an analysis of Robert Schumann’s Dichterliebe offering historical information and insights into each of the sixteen songs. The analysis includes the English translation of the texts and discussion of the form of each song as well as highlights of the special moments of harmonic, rhythmic, and melodic structure in relation to Schumann’s setting of each poem. The analysis provides a foundation for collaborative skills for the singer and pianist for the study and performance of Dichterliebe. In addition, the paper includes brief biographies of Robert Schumann and Heinrich Heine and background information on the poetry and …

Dynamic Optimization Algorithms For Baseload Power Plant Cycling Under Variable Renewable Energy, Rebecca Hyen Hae Kim

Graduate Theses, Dissertations, and Problem Reports (ETD)

The growing deployment of variable renewable energy (VRE) sources, such as wind and solar, is mainly due to the decline in the cost of renewable technologies and the increase of societal and cultural pressures. Solar and wind power generation are also known to have zero marginal costs and fuel emissions during dispatch. Thereby, the VRE from these sources should be prioritized when available. However, the rapid deployment of VRE has heightened concerns regarding the challenges in the integration between fossil-fueled and renewable energy systems. The high variability introduced by the VRE as well as the limited alignment between demand and …

Discriminative Stimulus Effects Of Cannabidiol Oil In Rats, Rebecca L. Chalme

Graduate Theses, Dissertations, and Problem Reports (ETD)

Cannabidiol (CBD) is one of the major centrally active phytocannabinoid components of cannabis, and has been approved by the FDA only for the treatment of two rare seizure disorders. However, CBD has been touted as a potential treatment for anxiety in place of more traditional treatments like benzodiazepines. Although there is some evidence of anxiolytic effects of CBD, its suitability as a substitute for benzodiazepines is unknown. This experiment was designed to assess to what extent CBD shares interoceptive discriminative-stimulus properties with the anxiolytic chlordiazepoxide (CDP), a benzodiazepine. In the present experiment, a range of doses (0-333.3 mg/kg) of over-the-counter …

Improving Characterization Of Small Molecules Using Enhanced Molecular Reaction And Ionization Techniques, Sandra N. Majuta

Graduate Theses, Dissertations, and Problem Reports (ETD)

Metabolomics is an emerging “omics” field, which is comprised of the study of small molecule metabolites in biological systems. It can be argued that the abundances of metabolites within biological samples, such as tissue and plasma, are indicative of various physiological states. Thus, metabolomics analysis has the potential in the clinical scientific field to be an effective tool for early disease diagnosis as well as for proposing and monitoring new treatments for diseases. However, full characterization of the metabolome complement is often hampered by the wide diversity of metabolites, which also exhibit an extremely large concentration range in biological samples. …