Doctoral Dissertations
Browse by
Recent Submissions
-
Seismic Imaging of the Global Asthenosphere using SS Precursors
(Virginia Tech, 2023-09-21)The asthenosphere, a weak layer beneath the rigid lithosphere, plays a fundamental role in the operation of plate tectonics and mantle convection. While this layer is often characterized by low seismic velocity and high ... -
Genome-wide identification of enhancers, transcription factors, and mechanisms that control skeletal muscle differentiation in cattle
(Virginia Tech, 2023-09-21)Skeletal muscle development and growth involve significant changes in gene expression. The overall objective of this dissertation project was to identify transcription factors, enhancers, and mechanisms that control gene ... -
Methodological advances in benefit transfer and hedonic analysis
(Virginia Tech, 2023-09-19)This dissertation introduces advanced statistical and econometric methods in two distinct areas of non-market valuation: benefit transfer (BT) and hedonic analysis. While the first and the third chapters address the challenge ... -
Vertically Propagating Tides in the Martian Atmosphere
(Virginia Tech, 2023-09-18)Atmospheric tides significantly influence the dynamics of Mars' upper atmosphere. The impact of tides on the mean state of the present-day Martian atmosphere is especially large at high altitudes. Certain tides can propagate ... -
Dysregulation of Noncanonical NF-κB Signaling in Gastrointestinal Diseases
(Virginia Tech, 2023-09-01)Regulation of host health is intricately coordinated by a diverse interplay of immune cells detecting assaults from pathogens via recognition of pathogen associated molecular patterns (PAMPs) to mount an immune response, ... -
Development of A Trajectory Population Data and its Application in CAV Research
(Virginia Tech, 2023-09-15)Vehicle trajectory data has played a critical role in the recent history of traffic flow and CAV operations-related studies. However, available trajectories have limited coverage, either spatial or temporal. The implementation ... -
A Lacanian Ideology Critique of Gender in Mathematics Education
(Virginia Tech, 2023-09-14)In this study I employ Lacanian psychoanalysis and ideological criticism to analyze the development of "gender and mathematics" research over the past fifty years. This study is motivated by the original Marxist-Lacanian ... -
The Poetic Architect: An Imaginative Journey of Bruce Goff's Bavinger House
(Virginia Tech, 2023-09-13)During the 1920s, the Midwestern American architect Bruce Goff advanced a unique design approach that would govern his career: "Good architecture for everyone." Following the First World War, this period is considered the ... -
Evaluation of Computational and Experimental Parameters in RNA Bisulfite Sequencing Analysis and Applications in Brain Development Studies
(Virginia Tech, 2023-09-13)Epitranscriptomics, the study of RNA modifications, has become a hotspot of research over the last decade. Over 170 unique modifications have been discovered with a widespread occurrence in a diverse range of RNAs. ... -
Innovating the Study of Self-Regulated Learning: An Exploration through NLP, Generative AI, and LLMs
(Virginia Tech, 2023-09-12)This dissertation explores the use of natural language processing (NLP) and large language models (LLMs) to analyze student self-regulated learning (SRL) strategies in response to exam wrappers. Exam wrappers are structured ... -
Multidimensional and High Frequency Heat Flux Reconstruction Applied to Hypersonic Transitional Flows
(Virginia Tech, 2023-09-12)The ability to predict and control laminar-to-turbulent transition in high-speed flow has a substantial effect on heat transfer and skin friction, thus improving the design and operation of hypersonic vehicles. The control ... -
Industrial hemp agronomic management for grain, fiber, and forage
(Virginia Tech, 2023-09-12)This research involved testing several aspects of industrial hemp (Cannabis sativa L.) production, including the impact of tillage on seed and fiber production, optimal harvest time for seed yield and quality, the response ... -
Hybrid Modular Multilevel Converter Family and Modular DC Circuit Breaker for Medium-voltage DC (MVDC) Applications
(Virginia Tech, 2023-09-12)With the increasing maturity and flexibility of power electronics-based voltage conversion techniques, DC grids, and distribution systems have gained significant interest. These systems offer advantages such as improved ... -
Design and Synthesis of Complex and Fluorescent Labeled Cellulose-Based Derivatives for Orally Administered Drug Delivery Systems
(Virginia Tech, 2023-09-11)Cellulose ethers are valuable matrices for drug-delivery systems (DDS), namely amorphous solid dispersions (ASD). ASD are efficient vehicles that can solubilize and stabilize poorly soluble drugs by increasing the time ... -
Relationship Between Teacher Self Efficacy and Teacher Behaviors and Student Achievement
(Virginia Tech, 2023-09-11)The purpose of this study was to identify the relationship between teacher self-efficacy (TSES) score and observable teacher instructional behaviors (CSAS) score and student academic achievement (SOL) score. This study ... -
Understanding How Tape Casting Titanium Diboride Shifts its Processing-Microstructure-Properties Paradigm Toward New Applications
(Virginia Tech, 2023-09-07)The manufacturing of UHTC materials has significantly advanced over recent years, allowing for the development of new microstructures, architectures, shapes, and geometries to explore new properties and applications for ... -
Field-Grading in Medium-Voltage Power Modules Using a Nonlinear Resistive Polymer Nanocomposite Coating
(Virginia Tech, 2023-09-07)Medium-voltage silicon carbide power devices, due to their higher operational temperature, higher blocking voltage, and faster switching speed, promise transformative possibilities for power electronics in grid-tied ... -
Microfluidics for low input epigenomic analysis and application to oncology and brain neuroscience
(Virginia Tech, 2023-09-07)Microfluidics is a versatile tool with many applications in biology. Its ability to manipulate small volumes of liquid precisely has led to the development of many microfluidic assay platforms. They could handle small ... -
Equine Herpesvirus Type 1: Filling Gaps Toward Improved Outbreak Management
(Virginia Tech, 2023-09-06)Equine herpesvirus type 1 (EHV-1) is a common pathogen of horses that typically causes upper respiratory disease, however is also associated with late-term abortion, neonatal foal death and neurologic disease. Once a horse ... -
Some like it cold: interactions between the northern frog biting mosquito, Culex territans (Walker 1856), and its amphibian hosts
(Virginia Tech, 2023-09-06)Mosquitoes are considered to be the deadliest animals in the world due to the diseases they spread. Naturally, most research centers around anthropophilic disease vector mosquitoes such as Aedes aegypti or Anopheles gambiae. ...
RSS 1.0