Browsing College of Science by Title

Now showing items 698-717 of 1003

Parametric Study of Slender and Dynamically Sensitive Buildings with Tuned Liquid Dampers Subject to Seismic Events

Hossein, Musaddeque (2015-10-23)

Slender and dynamically sensitive buildings have insufficient inherent damping to mitigate harmful oscillations during seismic events and must use other means to increase damping. Passive damping methods such as Tuned ...
Parcel Level Agricultural Land Cover Prediction

Lisic, Jonathan James (2015)

The purpose of this research is to develop and study the methodology and the underlying theory for prediction of agricultural land cover for a set of commercial crops at the parcel level. The observational unit will be ...
Patients, Premiums, and Public Policy: Modeling Health Insurance Markets using Agent Computing

Comer, Kevin Thomas (2017)

This dissertation focuses on the assessment of adverse selection as a result of uncertainty and asymmetric information in a market of buyers and sellers. This dissertation seeks to provide two novel contributions to science ...
Patterns and Processes of Genetic Diversity in the Endangered San Joaquin Kit Fox

Wilbert, Tammy R. (2014-09-18)

Survival of the endangered San Joaquin kit fox (SJKF; Vulpes macrotis mutica) is challenged by reduced and fragmented habitat resulting from anthropogenic land uses in the Central Valley of California. Because the SJKF is ...
Patterns of Geographical Content Contributions Made by the General Public in Response to Natural Disaster Events

Parker, Stephanie M (2015-08-06)

This thesis explores the updating patterns of Volunteered Geographic Information (VGI) in the direct aftermath of natural disasters. OpenStreetMap edits and GDELT reports are studied to explore the location, scope and types ...
PDF modeling of turbulent flows on unstructured grids

Bakosi, József (2008-06-17)

In probability density function (PDF) methods of turbulent flows, the joint PDF of several flow variables is computed by numerically integrating a system of stochastic differential equations for Lagrangian particles. ...
Period-doubling cascades in one and two parameter maps

Vandana Saini (2020)

Period doubling cascades are one of the most prominent features of one-parameter families of maps, F : R x M → M, where M is a locally compact manifold without boundary, typically RN. The dissertation is divided into two ...
Personalizing VR Training Experiences through Optimization

Wanwan Li (2021)

In view of the emerging technologies in the virtual reality industry, VR provides a practical platform to train people in a safe and time-saving manner through serious virtual training tasks. Recent researches validate the ...
A Perspective for a New Multiple-party Logistics Model for E-commercial Logistics

Lu, Xiechun

With the rapid development of e-commerce, the requirement for logistics becomes much stricter: the traditional third-party logistics (3PL) model cannot meet consumers’ high demand, and it also exposes some other problems. ...
Pharmaceuticals and Personal Care Products in the Tidal Freshwater Potomac River

Arion Leahigh (2019)

It is believed that the principal source of pharmaceuticals and personal care products (PPCPs) in rivers and streams is directly linked to the high consumption rate of drugs in our society. As such, PPCPs and their metabolites ...
Pharmacognosic Drug Discovery with the Yersinia pestis MEP Synthase (IspC), a Validated Target for the Development of Novel Antibiotics

Dowdy, Tyrone M

This thesis explores the role that a renewal in natural product research has in developing countermeasures to emergent antimicrobial resistance. Pharmacognosy, or the study of natural products, was the foundation of the ...
Phenology and Water Quality Impacts of an Invasive Water Chestnut (Trapa bispinsoa Roxb. Var iinumai Nakano) in Northern Virginia, USA and Evaluation of Early Detection/Rapid Response (EDRR) Practices in Its Control

Sujata Poudel (2021)

Species of the genus Trapa, specifically Trapa natans, have plagued the northeastern US, including the tidal Potomac for over 100 years. Much has been learned about the ecology and management of T. natans, during this ...
A Photogrammetric Approach for Geopositioning OpenStreetMap Roads

Canavosio-Zuzelski, Roberto (2013)

As open source volunteered geographic information continues to gain popularity, the user community and data contributions are expected to grow, e.g. CloudMade, Apple, and Ushahidi now provide OpenStreetMap© (OSM) as a base ...
Photoluminescent Organic Molecules from the Perspective of Density Functional Theory

Massaro, Richard Douglas (2011-05-12)

I have studied the electronic structure, vibrational modes, and photophysics of methyl salicylate (MS) isomers in detail using density functional theory (DFT) and its timedependent (TDDFT) companion. I have confirmed ...
The phylogenetics and biogeography of Leibnitzia (Asteraceae: Mutiseae): American species in an Asian genus

Baird, Kristen (2009-09-29)

Evolutionary relationships among the seven genera of the Gerbera daisy complex (Asteraceae) remain largely untested due to their well-acknowledged need for taxonomic revision. Here I present a phylogenetic analysis of the ...
A Phylogenomic Analysis Of The Trumpeter (Cygnus buccinator) And Tundra Swans (Cygnus columbianus columbianus)

Yesmont, Christopher Kenneth (2014-10-21)

High-throughput or Next-Generation sequencing (NGS) has proven to be a time-efficient and cost-effective technique for the sequencing of whole-genomes. Despite its benefits, high-throughput sequencing is remaining a ...
Phylogeographic Genetic Diversity in the White Sucker Hepatitis B Virus

Adams, Cynthia R

Hepatitis B viruses belong to a family of partially double stranded DNA viruses that infect a range of organisms with host responses that vary from mild to chronic infection and carcinogenesis. The white sucker hepatitis ...
Phylogeography and Non-Invasive Molecular Monitoring of Coyote (Canis latrans) and Gray Fox (Urocyon cinereoargenteus) in Northern Virginia and the Eastern United States

Bozarth, Christine A. (2010-10-12)

Molecular tools allow us to answer ecological questions about some of the most intriguing animals, including North America’s native gray fox (Urocyon cinereoargenteus) and Northern Virginia’s recent colonist, the coyote ...
Physical, Regulatory and Reputational Water Risks as Predictors of Water Stewardship among Global Corporations

Richards, Allison A. (2016)

There is growing consensus that the scope and complexity of worsening global water stress and associated physical, regulatory and reputational water risks, require a stewardship approach that involves collective action and ...
Physicochemical Feature Selection for Cathelicidin Antimicrobial Peptides

Veltri, Daniel Paul (2013-08-16)

Due to recent attention on antimicrobial peptides (AMPs) as targets for antibacterial drug research, many machine learning methods are now turning their attention to AMP recognition. Approaches that rely on whole-peptide ...

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