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Articles 50581 - 50610 of 1732438
Full-Text Articles in Entire DC Network
Follow The Money: A Historical And Bibliometric Reflection On The Rise Of Law And Economics, 1970-2025, Scott H. Dewey
Follow The Money: A Historical And Bibliometric Reflection On The Rise Of Law And Economics, 1970-2025, Scott H. Dewey
Articles
From roughly 1970 to 2010, law and economics rose from the margins to a dominant position in American legal academia, accompanied by a dramatic increase in citations to law and economics scholarship. Citation analysis is often treated as a proxy for intellectual merit, but that assumption becomes questionable when ideas are advanced through systematic, well-funded, and sustained promotion aimed at serving specific political and economic interests. This study examines the right-wing funding networks that supported the rise of law and economics and analyzes the resulting bibliometric patterns in legal scholarship. By tracing these financial and citation dynamics, the study argues …
Drone Dichotomy: Investigating The Application Of Unmanned Aerial Systems For Offensive And Defensive Chemical, Biological, Radiological, And Nuclear-Related Tasks, Evan Jacob Martinovitch
Drone Dichotomy: Investigating The Application Of Unmanned Aerial Systems For Offensive And Defensive Chemical, Biological, Radiological, And Nuclear-Related Tasks, Evan Jacob Martinovitch
Graduate Theses/Dissertations
This thesis investigates the application of unmanned aerial systems (UAS) for both offensive and defensive chemical, biological, radiological, and nuclear (CBRN) tasks to determine if they serve as a force multiplier on the modern battlefield. As CBRN weapons reemerge as realistic threats alongside the rapid proliferation of UAS, the intersection of these fields presents unique challenges and opportunities. Through a methodology that examines the history of the UAS-CBRN intersection, military doctrine, and the status of UAS technology, this research evaluates the capability of current and emerging UAS against specific CBRN delivery, reconnaissance and surveillance, and decontamination tasks. The analysis conducted …
Gene Editing And The Accessibility Of Bioterrorism: Rethinking Global Biosecurity In The Post-Covid-19 Era, Nicholas Morales
Gene Editing And The Accessibility Of Bioterrorism: Rethinking Global Biosecurity In The Post-Covid-19 Era, Nicholas Morales
Graduate Theses/Dissertations
COVID‑19 demonstrated how a single biological event can strain health systems, disrupt supply chains, undermine national security, and erode public trust. This shock occurred as biotechnology became dramatically more accessible: gene editing and synthetic biology tools once limited to specialized laboratories are now widely available through inexpensive equipment, open‑source data, and decentralized expertise.
This expanded access accelerates innovation but also broadens the threat landscape. The ability to reconstruct pathogens using publicly available sequences and mail‑order DNA shows that complex biological synthesis is no longer confined to state programs. These risks are amplified by opaque biotechnology activities in China, Russia, and …
When Speech Speaks Louder Than Truth: Language Variation And Credibility In The Courtroom, Melanie E. Spinnie
When Speech Speaks Louder Than Truth: Language Variation And Credibility In The Courtroom, Melanie E. Spinnie
Graduate Theses/Dissertations
This study aims to investigate how linguistic variation affects perceptions of credibility in courtroom settings. It focuses on how jurors, judges, and other individuals in the legal system may exhibit bias (consciously or unconsciously) based on how a defendant or witness speaks-- this could include speech disorders as well as differences in dialect, accent, and speech style. Through review of relevant literature, review of a relevant historical case, conducting a survey, and conducting a semi-structured interview, this study explores whether certain speech patterns or characteristics are disproportionately associated with negative judgments during legal proceedings, such as reduced credibility and trustworthiness. …
Confucian Thought As A Strategic Veil: How Western Strategy Should Correctly Compete With China, Owen Miller
Confucian Thought As A Strategic Veil: How Western Strategy Should Correctly Compete With China, Owen Miller
Graduate Theses/Dissertations
The rise of the People's Republic of China as a peer competitor to the United States constitutes the defining geopolitical challenge of the twenty-first century, but even so, Western strategic analysis has consistently failed to engage China on its own terms. The recurrent pattern of Western misinterpretation results from projecting Western assumptions onto a state whose institutional and cultural drivers operate under fundamentally different premises, where key elements of Chinese strategic culture and the Chinese Communist Party’s (CCP) instrumentalization of Confucianism as a moral veil are instruments of domestic legitimacy and external strategic narrative. The United States must recognize that …
Europe In The Indo-Pacific - Implications For The United States, Joshua G. Zinicola
Europe In The Indo-Pacific - Implications For The United States, Joshua G. Zinicola
Graduate Theses/Dissertations
Within the last five years the Indo-Pacific has become a region of increasing interest to European NATO members. In particular, the United Kingdom, France, and Italy have assigned strategic importance for their national security to the region, signing cooperative agreements with regional allies of the United States and deploying significant forces to the region. These agreements include commitments to jointly develop new technologies and combat systems for employment in both Europe and the Indo-Pacific, such as the Global Combat Air Programme (GCAP), and the Trilateral security partnership between Australia, the United Kingdom, and the United States (AUKUS). They also include …
The Ones Who Watched: Technology, Proxy Warfare, And The Testing Ground Hypothesis, Sean J. Oliver
The Ones Who Watched: Technology, Proxy Warfare, And The Testing Ground Hypothesis, Sean J. Oliver
Graduate Theses/Dissertations
Great powers need laboratories for war. This thesis argues that great powers find these laboratories in proxy forces. Proxy warfare is not just a tool for strategic influence. It is a machine for experimentation. This study posits a central testing-ground hypothesis. It contends that great powers deliberately use surrogates to vet emerging technologies, doctrines, and mobilization schemes under the pressure of real combat. The analytical methodology is historical. It traces patterns from the ancient world's proxy forces and the innovations of the Crusades to the Cold War and the digital age. The thesis examines enduring patterns, including the tension between …
05.01.03. Mangrove Cuckoo, Coccyzus Minor, B. H. Anderson, Ann Hodgson, Florida Ornithological Society
05.01.03. Mangrove Cuckoo, Coccyzus Minor, B. H. Anderson, Ann Hodgson, Florida Ornithological Society
05.01. <i>Cuculidae</i> - Cuckoos
One of those “Florida specialties” that draws out-of-state birders to the Sunshine State, the Mangrove Cuckoo breeds regularly nowhere else on the mainland U. S. and adjacent barrier islands.
04.01.06. White-Winged Dove, Zenaida Asiatica, C. H. Fisher Jr., Ann Hodgson, Florida Ornithological Society
04.01.06. White-Winged Dove, Zenaida Asiatica, C. H. Fisher Jr., Ann Hodgson, Florida Ornithological Society
04.01. <i>Columbidae</i> - Pigeons and Doves
The White-winged Dove is well-distributed in the American southwest, where it is a game bird in its range in the southwest, and the Caribbean. White-winged Doves have become increasingly more common in Florida since the early twentieth century.
Ecological Feedbacks In The Earth System, Eugene J. Murphy, Jessica J. Williams, Isla H. Myers-Smith, Vivienne P. Groner, David M. P. Jacoby, Lester Kwiatkowski, Jess Melbourne-Thomas, Emma Ransome, Cristina Banks-Leite, Laurent Bopp, Marion Gehlen, Eileen E. Hofmann, Babette Hoogakker, Nadine M. Johnston, Yadvinder Malhi, Emma L. Cavan
Ecological Feedbacks In The Earth System, Eugene J. Murphy, Jessica J. Williams, Isla H. Myers-Smith, Vivienne P. Groner, David M. P. Jacoby, Lester Kwiatkowski, Jess Melbourne-Thomas, Emma Ransome, Cristina Banks-Leite, Laurent Bopp, Marion Gehlen, Eileen E. Hofmann, Babette Hoogakker, Nadine M. Johnston, Yadvinder Malhi, Emma L. Cavan
CCPO Publications
Ecological feedbacks are fundamental features of the Earth system, affecting physical processes and chemical cycles. Our understanding of the interactions underlying these feedbacks at different spatial and temporal scales and the extent to which feedbacks affect Earth system functioning remains limited. Climate change and other anthropogenic pressures are already negatively affecting ecological processes in marine, freshwater, and terrestrial ecosystems. These will most likely be amplified in the coming decades under our current warming and socioeconomic pathways. The knock-on impacts on ecological feedbacks have the potential to cause rapid perturbations to the Earth system, and may significantly impact the structure and …
Basal Melting Variability Of The Ross Ice Shelf From Mixing Ratios Of Simulated Water Masses (1993-2018) And Potential Climatic Drivers, Enrico Pochini, Andrea Bergamasco, Florence Colleoni, Manuel Bensi, Giorgio Budillon, Pasquale Castagno, Michael S. Dinniman, Pierpaolo Falco, Emanuele Forte, Vedrana Kovačević, Stefanie L. Mack
Basal Melting Variability Of The Ross Ice Shelf From Mixing Ratios Of Simulated Water Masses (1993-2018) And Potential Climatic Drivers, Enrico Pochini, Andrea Bergamasco, Florence Colleoni, Manuel Bensi, Giorgio Budillon, Pasquale Castagno, Michael S. Dinniman, Pierpaolo Falco, Emanuele Forte, Vedrana Kovačević, Stefanie L. Mack
CCPO Publications
Several water masses circulate under the Ross Ice Shelf (RIS), the largest ice shelf in Antarctica, each causing basal melting with a specific spatio-temporal pattern. To investigate these patterns and their variability, we applied a mixing ratio analysis to simulated water masses from a new numerical ocean model of the Ross Sea. The simulation, which was run over 26 years (1993–2018) and which includes the RIS cavity, shows good agreement with seaborne and mooring observations. The total RIS basal melt rate is 90 Gt/yr on average, and is caused mostly by High Salinity Shelf Water (HSSW) (68%), which enters the …
Targeting Ptp4a3 And Kvx-053 Mitigates Alcohol-Amplified Sars-Cov-2 Spike Protein-Induced Acute Lung Injury, Pavel A. Solopov, Ruben Manuel Luciano Colunga Biancatelli, Elizabeth R. Sharlow, John S. Lazo, John D. Catavas
Targeting Ptp4a3 And Kvx-053 Mitigates Alcohol-Amplified Sars-Cov-2 Spike Protein-Induced Acute Lung Injury, Pavel A. Solopov, Ruben Manuel Luciano Colunga Biancatelli, Elizabeth R. Sharlow, John S. Lazo, John D. Catavas
Bioelectrics Publications
Introduction: Chronic alcohol exposure is associated with increased vulnerability to acute respiratory distress syndrome (ARDS), and emerging evidence suggests that this susceptibility extends to the severe respiratory manifestations of COVID- 19. The SARS-CoV-2 Spike Protein S1 subunit (S1SP) can independently trigger robust inflammatory and vascular injury responses in the lung, and our prior work demonstrated that chronic alcohol consumption markedly intensifies these effects in mice. PTP4A3 phosphatase is a key regulator of inflammation and endothelial barrier function. In this study, we investigated whether the PTP4A3 inhibitor KVX-053 can counteract alcohol-enhanced S1SP-induced lung injury in K18-hACE2 mice.
Methods: Animals were maintained …
An Insidious Interstice: Understanding Cognition And Language Behaviour Through The Eyes Of Juvenile Justice Professionals, Anne M. Perrotti, Allison T. Chappell, Tancy Vandecar-Burdin
An Insidious Interstice: Understanding Cognition And Language Behaviour Through The Eyes Of Juvenile Justice Professionals, Anne M. Perrotti, Allison T. Chappell, Tancy Vandecar-Burdin
Human Movement Studies & Special Education Faculty Publications
Introduction
Despite evidence suggesting language and cognition deficits are prevalent for justice involved youth, little research explores how juvenile justice personnel experience language and cognition behaviours in the youth they serve.
Aims
This qualitative study explored how juvenile justice personnel understand language and cognition skills and deficits in justice involved youth.
Methods
Twenty-two U.S. juvenile justice professionals participated in individual, semi-structured interviews. Questions focused on individual understanding of receptive language, expressive language, social communication, and cognition (i.e., problem-solving, predicting consequences and impulsiveness) in juveniles served. Using a phenomenological lens, transcripts were coded identifying themes and sub-themes of participant responses.
Results …
Seeing The Invisible Load: Xr+ Multimodal Sensing For Cognitive Ergonomics In Industrial Training, Jessica M. Johnson, Andwele Grant
Seeing The Invisible Load: Xr+ Multimodal Sensing For Cognitive Ergonomics In Industrial Training, Jessica M. Johnson, Andwele Grant
Virginia Digital Maritime Center (VDMC) Faculty Publications
Extended reality (XR) technologies are increasingly positioned as disruptive Industry 5.0 tools for human-centric industrial training and intelligent human–system integration. Coupled with multimodal sensing (eye tracking, EEG, HRV, GSR, and other physiological signals), XR environments promise to make otherwise invisible cognitive demands observable, especially for novice trainees entering complex industrial settings. Yet the evidence base is fragmented: (1) there is no quantitative synthesis of the cognitive ergonomics benefits of XR plus sensing; (2) little is known about which XR–sensor configurations yield the strongest effects; (3) prior reviews rarely focus on industrial and manufacturing tasks; (4) multimodal signals are used predominantly …
Modeling Rank Distribution And The Relative Importance Factor Index In Discrete Power-Law Models: Application To Social Resilience Using The Scopus Database, Brian Llinas, Jose Padilla, Humberto Llinas, Erika Frydenlund, Katherine Palacio
Modeling Rank Distribution And The Relative Importance Factor Index In Discrete Power-Law Models: Application To Social Resilience Using The Scopus Database, Brian Llinas, Jose Padilla, Humberto Llinas, Erika Frydenlund, Katherine Palacio
VMASC Publications
Prior research on power-law distributions has primarily focused on modeling frequency patterns, with less attention given to rank distributions and how ranked positions reflect relative importance among elements. In discrete power-law distributions, frequency-based metrics often provide limited discrimination in the tail, where elements may exhibit similar counts but differ in relative dominance. These patterns are especially evident, for instance, in academic publishing, where keywords, affiliations, and citations commonly exhibit power-law behavior. To address this limitation, we introduce the Relative Importance Factor (RIF) Index, a statistical measure derived from the estimated discrete power-law rank distribution rather than an additional independent parameter. …
Nanofibrous Materials And Nanoparticles For Combating Antimicrobial Resistance: Synthesis, Integration, And Translational Perspectives, Rewati Raman Ujjwal, Ashish Dilip Sutar, Rahul Shukla, Gymama Slaughter
Nanofibrous Materials And Nanoparticles For Combating Antimicrobial Resistance: Synthesis, Integration, And Translational Perspectives, Rewati Raman Ujjwal, Ashish Dilip Sutar, Rahul Shukla, Gymama Slaughter
Center for Bioelectronics Publications
Antimicrobial resistance (AMR) is a major global health challenge driven by mechanisms such as biofilm formation, efflux pumps, and genetic mutations. Nanoparticulate and fibrous materials have emerged as promising strategies to overcome these limitations through multimodal antimicrobial action and controlled drug delivery. This review highlights recent advances in electrospun nanofibrous systems, including natural and synthetic polymer-based scaffolds, stimuli-responsive nanofibers, and functionalized patches. Nanoparticle-loaded nanofiber systems demonstrate enhanced performance, including bacterial eradication, sustained drug release, and significant biofilm disruption. Multifunctional systems combining antimicrobial, antioxidant, and immunomodulatory properties further show synergism. Emerging innovations, such as piezoelectric and smart sensing systems, enable self-powered …
Preoperative Patient Sentiment Is Associated With Postoperative Outcomes In Adult Spinal Deformity Surgery, Ross J. Gore, David Mazur-Hart, Mohan K. Sunkara, Aaqib Ali, Qizar Ali, Christopher J. Lynch, Christopher Ames
Preoperative Patient Sentiment Is Associated With Postoperative Outcomes In Adult Spinal Deformity Surgery, Ross J. Gore, David Mazur-Hart, Mohan K. Sunkara, Aaqib Ali, Qizar Ali, Christopher J. Lynch, Christopher Ames
Center for Secure and Intelligent Critical Systems (CSICS) Publications
Study Design: Prospective observational pilot study of adult spinal deformity surgery patients.
Objective: To determine whether preoperative patient sentiment, quantified using a 21-class valence scale extending the CARP paradigm implemented through an offline Large Language Model, predicts postoperative outcomes.
Summary of Background Data: Predicting adult spinal deformity surgery outcomes remains challenging with traditional clinical and radiographic parameters alone. Although patient psychological factors and expectations significantly influence postoperative satisfaction and quality of life, systematic approaches to capture these factors are underdeveloped. Offline Large Language Models offer scalable, privacy-preserving psychological risk stratification.
Materials and Methods: We prospectively enrolled 18 patients undergoing adult …
Autonomous Float Data Reveal Decoupled Trends In Chlorophyll And Stratification In The Indian Ocean, Marufa Ishaque, Sophie Clayton, John Klinck
Autonomous Float Data Reveal Decoupled Trends In Chlorophyll And Stratification In The Indian Ocean, Marufa Ishaque, Sophie Clayton, John Klinck
OES Faculty Publications
Recent studies have shown that the Indian Ocean is warming significantly, but how this warming impacts primary production is largely unresolved due to a relative lack of depth-resolved biological observations. In this study, we have used Biogeochemical-Argo data from 2013 to 2022, comprising over 9,000 individual profiles, to examine regional patterns and trends in depth-integrated chlorophyll, depth-integrated net primary production and stratification in the northern and Equatorial Indian Ocean. Our analysis shows that water column stratification is increasing in the majority of the study area, with the highest rate of increase observed in the western Bay of Bengal. At the …
Cognitive Prosthetic: An Ai-Enabled Multimodal System For Episodic Recall In Knowledge Work, Lawrence Obiuwevwi, Krzystof J. Rechowicz, Vikas Ashok, Sachin Shetty, Sampath Jayarathna
Cognitive Prosthetic: An Ai-Enabled Multimodal System For Episodic Recall In Knowledge Work, Lawrence Obiuwevwi, Krzystof J. Rechowicz, Vikas Ashok, Sachin Shetty, Sampath Jayarathna
Computer Science Faculty Publications
Modern knowledge workplaces increasingly strain human episodic memory as individuals navigate fragmented attention, overlapping meetings, and multimodal information streams. Existing workplace tools provide partial support through note-taking or analytics but rarely integrate cognitive, physiological, and attentional context into retrievable memory representations. This paper presents the Cognitive Prosthetic Multimodal System (CPMS)—an AI-enabled proof-of-concept designed to support episodic recall in knowledge work through structured episodic capture and natural language retrieval. CPMS synchronizes speech transcripts, physiological signals, and gaze behavior into temporally aligned, JSON-based episodic records processed locally for privacy. Beyond data logging, the system includes a web-based retrieval interface that allows users …
Evaluation Of Electroencephalography Processing Methods For Estimating Metabolic Energy Expenditure During Walking, Stephanie L. Pinelo
Evaluation Of Electroencephalography Processing Methods For Estimating Metabolic Energy Expenditure During Walking, Stephanie L. Pinelo
Graduate Studies Theses and Dissertations 2026
In this study, three EEG datasets, created via different levels of pre-processing, were used to train VO2 prediction models whose performance was tested and compared. Understanding the link between EEG and VO2 during walking is important when working in rehabilitation or studying metabolic energy optimization. Common methods of measuring these two bio-signals tend to be bulky, uncomfortable, and inefficient, so finding a way to predict VO2 from EEG via 1D CNN model training is a worthy pursuit. It was hypothesized that, due to a CNN needing more data to find patterns for prediction, a minimally processed EEG dataset would have …
Adaptability And Applications Of Advanced Laser Absorption Diagnostics In High-Pressure Shock Tube Environments, Lucas R. Pitts
Adaptability And Applications Of Advanced Laser Absorption Diagnostics In High-Pressure Shock Tube Environments, Lucas R. Pitts
Graduate Studies Theses and Dissertations 2026
Theoretical application and physical implementation of various laser absorption spectroscopy (LAS) diagnostics are examined within a high-pressure shock tube facility. Research focuses on the rationale behind the specific optical alignment layouts used across three distinct experimental campaigns, detailing the methodology required to maintain signal integrity in varied reacting flow environments. The first research campaign addresses the pyrolysis of hydroxyl terminated polybutadiene (HTPB) solid propellant binders for solid fuel ramjet (SFRJ) applications by measuring the species time histories of alkenes and aromatics. Alignment configurations prioritized beam stability and signal strength for the decoupling of overlapping absorption features to ensure measurements accurately …
Come And See: Exploring Complex Dynamics And Abjection Through A Southern Gothic Family Portrait, Lenee N. Peterson
Come And See: Exploring Complex Dynamics And Abjection Through A Southern Gothic Family Portrait, Lenee N. Peterson
Graduate Studies Theses and Dissertations 2026
“COME AND SEE: Exploring Abject Theory Through a Southern Gothic Family Portrait” examines the artist’s complex familial upbringing through the visual and narrative traditions of Southern Gothic art. Drawing upon abject theory and the cultural references of folk horror and Southern Gothicism, this thesis positions the family portrait where intimacy, trauma, and cultural inheritance collide. The project argues that direct confrontation with abjection can foster recognition, shared experience, and the possibility of collective healing. Grounded in practice-based research, this work functions as a critical and creative response to familial strain shaped by scarcity, social oppression, and emotional precarity. Through a …
Shock Tube Speciation Analysis Of Hydrocarbon Mixtures Relevant To Solid Fuel Combustion, Diego N. Ruiz Pena
Shock Tube Speciation Analysis Of Hydrocarbon Mixtures Relevant To Solid Fuel Combustion, Diego N. Ruiz Pena
Graduate Studies Theses and Dissertations 2026
Solid Fuel Ramjets (SFRJs) are often used in tactical applications due to their simplicity, robustness, and reliability. No moving parts, atmospheric oxidizer usage, and scalable fuel grain designs make them a great solution for compact, high-speed air-breathing propulsion systems. SFRJs operate by compressing incoming air through a fixed geometry inlet and directing it over a regressing solid fuel surface, where pyrolysis gases are released and transported downstream to the combustion chamber where thrust is generated. Hydroxyl-terminated polybutadiene (HTPB) is a commonly used fuel binder in SFRJ systems due to its high energy density, stable combustion behavior, and ease of processing. …
Characterization And Antibacterial Assessment Of An Isoborneol-Loaded Nanoemulsion, Sharon M. Rodriguez Villacis
Characterization And Antibacterial Assessment Of An Isoborneol-Loaded Nanoemulsion, Sharon M. Rodriguez Villacis
Graduate Studies Theses and Dissertations 2026
In the United States, about 35,000 fatalities occur annually due to antibiotic resistant infections. It is progressively becoming one of the largest challenges when treating hospital-acquired infections. This decline in effectiveness of commonly used antibiotics makes it essential to identify, synthesize, and formulate compounds that possess antimicrobial activity against these common pathogens. Isoborneol, a compound that is naturally occurring terpene that can be derived from the Camphor tree, Cinnamomum camphora, is known for its antimicrobial properties in traditional medicine and in prior literature. To assess this hypothesis, an oil-in-water (OW) nanoemulsion of isoborneol was synthesized, characterized, and assessed for …
Old Maps Of The New World & New Theories On The European Encounter With La Florida: An Historical Archaeological And Four Field Anthropological Approach To Peter Apian's Cosmographia (1575), Emerson S F Richards
Old Maps Of The New World & New Theories On The European Encounter With La Florida: An Historical Archaeological And Four Field Anthropological Approach To Peter Apian's Cosmographia (1575), Emerson S F Richards
Graduate Studies Theses and Dissertations 2026
This thesis examines the 1575 Spanish edition of the Cosmographia, a geographic textbook initially authored by Peter Apian and expanded by Gemma Frisius, as a source for anthropological inquiry into early European encounters with the Americas. Little attention has been given to the text’s potential as a source for anthropological analysis, particularly regarding its representations of the Americas and the cultural information embedded in the geographic data. This study addresses that gap by applying a Four-Field anthropological framework—cultural, biological, linguistic, and archaeological—to this edition, which incorporates excerpts from Ieronimo Girava’s qualitative and quantitative description of the Americas, including a …
Study Of Compressibility Of Flames In Scramjet Combustors, Anirudh Ranganathan
Study Of Compressibility Of Flames In Scramjet Combustors, Anirudh Ranganathan
Graduate Studies Theses and Dissertations 2026
Viable forms of propulsion for practical hypersonic flight are of great interest in modern times, of which supersonic combustion ramjets(scramjets) are a very advantageous option. Compared to ramjets, which are severely limited by increasing total pressure loss and dissociation effects, scramjets offer a much more efficient form of propulsion in the Mach 6 – 8 regime. Despite this, a common and unmitigated issue facing scramjet technology is scramjet unstart.
Prior investigations researching scramjet unstart have elucidated global heat release considerations in relation to total fueling or combustion modes as a result of global heat release . Minimal work has been …
A Sensory Ecology Of Fear: Moonlight-Mediated Predation Risk And Foraging Behavior In Neotropical Electric Fish, Chiu Lok Poon
A Sensory Ecology Of Fear: Moonlight-Mediated Predation Risk And Foraging Behavior In Neotropical Electric Fish, Chiu Lok Poon
Graduate Studies Theses and Dissertations 2026
Animals must forage to acquire energy for survival and reproduction, yet foraging exposes them to predators. This creates a trade-off between energy intake and safety, wherein the perception of predation risk alone can alter activity patterns. Within this trade-off, risk, energetic needs, and sensory adaptations vary, shifting the balance and favoring different foraging strategies. Using Neotropical electric fish as a study system, I investigated how foraging under predation risk is shaped across biological scales, including environmental dynamics, interspecific sensory differences, activity-timing mechanisms, and intraspecific variations. These nocturnal fish emit continuous electric signals to sense their environment, allowing non-invasive monitoring of …
Tl;Dr (Too Long; Didn't Read): Examining The Assessment And Causes Of Careless Responding Within Experimental Vignette Studies, David L. Sexton Jr.
Tl;Dr (Too Long; Didn't Read): Examining The Assessment And Causes Of Careless Responding Within Experimental Vignette Studies, David L. Sexton Jr.
Graduate Studies Theses and Dissertations 2026
Careless responding occurs when participants answer survey items without considering their content and poses a serious threat to data quality. However, while past research has examined its deleterious effects on both survey and low-stakes cognitive ability measures, little research has focused on careless responding in experimental vignette methodology (EVM) research. EVM studies require participants to attend to one or more experimental vignettes, which are carefully crafted written scenarios designed to manipulate a focal variable across conditions. However, if participants are careless in attending to study vignettes, they may not be exposed to the researchers’ intended experimental manipulations, thereby precluding them …
Design And Characterization Of A Jet Nozzle Using Particle Image Velocimetry, Valerie K. Rodriguez
Design And Characterization Of A Jet Nozzle Using Particle Image Velocimetry, Valerie K. Rodriguez
Graduate Studies Theses and Dissertations 2026
This paper presents the design and experimental characterization of the jet exit velocity from a supersonic nozzle injecting into a low-pressure vacuum chamber using Particle Image Velocimetry (PIV). The PIV method is employed to overcome limitations encountered in prior experiments characterizing a jet-in-crossflow, such as qualitative shock visualization and insufficient data on jet exit properties. The previous set of experiments used Classical Schlieren to visualize the flow as well as emission measurement with IR detectors. For the fuel injection cases, particular emphasis is placed on preventing condensation within the injection line and at the nozzle exit due to under expanded …
Defect-Guided And Energy-Driven Unfolding With Learning-Based Strategies: From Geometries With Compact Refolding To Garments, Shah Wasif Sazzad
Defect-Guided And Energy-Driven Unfolding With Learning-Based Strategies: From Geometries With Compact Refolding To Garments, Shah Wasif Sazzad
Graduate Studies Theses and Dissertations 2026
Unfolding and folding are related geometric and mechanical transformations fundamental to structural applications. Particularly, unfolding curved surfaces is important for deployable structures, garment pattern generation, etc. A central challenge is minimizing geometric distortion between a surface and its unfolded counterpart avoiding overlaps. As regions of lower Gaussian curvature typically produce less distortion during flattening, identifying curvature distribution becomes essential. Topological defects in a particle assembly on a surface in its minimum interaction-energy configuration indicate regions of concentrated curvature. In this work, an unfolding method is proposed that segments the surface using defects' location. Cutlines connecting the defects isolate lower curvature …