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In My Busby Berkeley Dreams, Michael Pierce
In My Busby Berkeley Dreams, Michael Pierce
Theses and Dissertations
I use high- and low-tech approaches in my drawings and bookart to address issues of sexual identity and beauty. My work emphasizes process, content, and image. I create pictures using tightly cropped symbolic figurative imagery. I also leave smudges, smears, and traces of what happened in the making of the work to make process more visible. In my work I would like you to consider what you see and what you don’t see, to smile in recognition of something you might never have really thought about before. And when I really get it right, you might even question your own …
Modeling Computer Communication Networks In A Realistic 3d Environment, Charles R. Rowell Jr.
Modeling Computer Communication Networks In A Realistic 3d Environment, Charles R. Rowell Jr.
Theses and Dissertations
Communication network simulations have typically been visualized in the past through 2D representations, but this is insufficient for battlefield network scenarios. Visual representations of battlefield networks greatly benefit from 3D visualization due to its ability to retain asset location. This research investigates the feasibility of modeling a typical battlefield communication network in a realistic 3D manner and discusses the effects of doing so. The result is an open source, 3D network visualization tool that can create highly intuitive connected battlefield scenes, enabling the user to quickly comprehend network state. It highlights mobile assets, packet movement, and node connectivity while allowing …
Stealthy River Navigation In Jungle Combat Conditions, Fabio Ayres Cardoso
Stealthy River Navigation In Jungle Combat Conditions, Fabio Ayres Cardoso
Theses and Dissertations
One of the biggest challenges for Brazilian military logisticians is to support effective jungle warfare for both real and training operations carried out by their combat forces in the Amazonian region. The jungle's heat, humidity, and dense vegetation put significant demands on the supply chain. Further, because of the difficulties of land or air transportation, water transport is the most reasonable transportation option to sustain these deployed forces. Planners must select from among the available watercourses those whose surroundings provide stealthy navigation to the combat force location where the requested supplies can be safely unloaded. We seek a method of …
Particulate Characterization And Control Evaluation For Carbon Fiber Composite Aircraft Crash Recovery Operations, Matthew R. Ferreri
Particulate Characterization And Control Evaluation For Carbon Fiber Composite Aircraft Crash Recovery Operations, Matthew R. Ferreri
Theses and Dissertations
Within the United States Air Force (USAF) Advanced Composite Material (ACM) is gaining an increasing use in military aircraft. With the number of aircraft that have increasingly large amounts of ACM materials, the probability of an incident with one of these aircraft also increases. When such an incident occurs the aircraft needs to be disassembled, removed, and later inspected as part of the accident investigation process. This disassembly process is termed “Crash Recovery Operations.” Carbon fibers have been shown to be hazardous to human health and a pilot study raised the suspicion that nanosized aerosol may be generated during the …
Low Dose Sarin Leads To Murine Cardiac Dysfunction, Michael W. Horenziak
Low Dose Sarin Leads To Murine Cardiac Dysfunction, Michael W. Horenziak
Theses and Dissertations
It has been reported that low dose sarin is associated with long-term pathology in the brain and heart; however, the effects of sarin on the heart have yet to be determined. In addition, sarin has been implicated as an etiological agent in Gulf War Illness. Thus, the role of sarin in producing illness has important military consequences. This study used echocardiography, electrocardiography, and histology to determine sarin’s effect on the murine cardiovascular system. C57BL/6J mice were injected with sarin at 0.4 LD50, 0.5 LD50, or saline on two consecutive days and studied for 10 weeks post exposure. The sarin animals …
Evaluation Of Alternative Technologies To Supply Drinking Water To Marines In Forward Deployed Locations, Derek R. George
Evaluation Of Alternative Technologies To Supply Drinking Water To Marines In Forward Deployed Locations, Derek R. George
Theses and Dissertations
With recent increases, there are approximately 20,000 Marines deployed in the Helmand Province of Afghanistan. The cost of delivering bottled water to the troops is rapidly becoming unsustainable and convoys delivering bottled water are vulnerable to Improvised Explosive Devices (IEDs). Currently, raw water from indigenous sources, which has chemical and microbiological contaminants, is treated with reverse osmosis (RO), but only used for hygiene, with bottled water used for drinking. Due to the economic costs and risks to life of providing bottled water, decision-makers need to evaluate technology alternatives to treat raw water to supply safe drinking water. In this study, …
Augmenting Latent Dirichlet Allocation And Rank Threshold Detection With Ontologies, Laura A. Isaly
Augmenting Latent Dirichlet Allocation And Rank Threshold Detection With Ontologies, Laura A. Isaly
Theses and Dissertations
In an ever-increasing data rich environment, actionable information must be extracted, filtered, and correlated from massive amounts of disparate often free text sources. The usefulness of the retrieved information depends on how we accomplish these steps and present the most relevant information to the analyst. One method for extracting information from free text is Latent Dirichlet Allocation (LDA), a document categorization technique to classify documents into cohesive topics. Although LDA accounts for some implicit relationships such as synonymy (same meaning) it often ignores other semantic relationships such as polysemy (different meanings), hyponym (subordinate), meronym (part of), and troponomys (manner). To …
Gene Expression Patterns In Flea Vectors Of Yersinia Pestis, Wei Zhou
Gene Expression Patterns In Flea Vectors Of Yersinia Pestis, Wei Zhou
Theses and Dissertations
Plague bacteria (Yersinia pestis) are transmitted to susceptible mammals by fleas. At least 25 flea species found in North America have been identified as plague vectors. The most efficient flea vector is the Oriental rat flea Xenopsylla cheopis, while the cat flea Ctenocephalides felis is a poor vector. The factors that determine vector competence of different fleas are not known. The main obstacles that the bacteria must overcome in the flea gut are also unknown. Fleas' molecular responses to Y. pestis invading could be a determining factor to control the bacterial survival and growth. Good and poor …
Number, Newtonianism, And Sublimity In James Thomson's The Seasons, Jessie Leatham Wirkus
Number, Newtonianism, And Sublimity In James Thomson's The Seasons, Jessie Leatham Wirkus
Theses and Dissertations
Recently, literary critics have increasingly drawn on methods of quantitative analysis to understand the readers and literature of the eighteenth century. Ironically, however, the eighteenth century is home to debates concerning the nature and usefulness of number, counting, and therefore, on some level, quantitative analysis. Eighteenth-century questions of number form an important part of the intellectual history of this period; these questions of number, in turn, hold important implications for language and the period's literature. I argue that the far-reaching influence of eighteenth-century questions of number can be seen especially well in the nature poetry of James Thomson. To explore …
Visually Managing Ipsec, Peter J. Dell'accio
Visually Managing Ipsec, Peter J. Dell'accio
Theses and Dissertations
The United States Air Force relies heavily on computer networks to transmit vast amounts of information throughout its organizations and with agencies throughout the Department of Defense. The data take many forms, utilize different protocols, and originate from various platforms and applications. It is not practical to apply security measures specific to individual applications, platforms, and protocols. Internet Protocol Security (IPsec) is a set of protocols designed to secure data traveling over IP networks, including the Internet. By applying security at the network layer of communications, data packets can be secured regardless of what application generated the data or which …
Toward A Mobile Agent Relay Network, Hyon H. Kwak
Toward A Mobile Agent Relay Network, Hyon H. Kwak
Theses and Dissertations
Although wireless communication provides connectivity where hardwired links are difficult or impractical, it is still hindered by the environmental conditions where the communicators reside. Signal loss over large distances or because of intervening obstacles can be mitigated by increasing the user's transmission power or adding repeater nodes between the users. Unfortunately, increasing the signal strength strains limited power resources and increases the likelihood of eavesdropping. Stationary repeaters are impractical for highly mobile users in dangerous environments. While mobile relay nodes might be a preferred solution, a centralized control scheme saps bandwidth from important traffic and introduces a single point of …
Performance Of Scattering Matrix Decomposition And Color Spaces For Synthetic Aperture Radar Imagery, Manuel E. Arriagada
Performance Of Scattering Matrix Decomposition And Color Spaces For Synthetic Aperture Radar Imagery, Manuel E. Arriagada
Theses and Dissertations
Polarimetrc Synthetic Aperture Radar (SAR) has been shown to be a powerful tool in remote sensing because uses up to four simultaneous measurements giving additional degrees of freedom for processing. Typically, polarization decomposition techniques are applied to the polarization-dependent data to form colorful imagery that is easy for operators systems to interpret. Yet, the presumption is that the SAR system operates with maximum bandwidth which requires extensive processing for near- or real-time application. In this research, color space selection is investigated when processing sparse polarimetric SAR data as in the case of the publicly available \Gotcha Volumetric SAR Data Set, …
A Simulation Based Methodology To Examine The B-1b'S An/Alq-161 Maintenance Process, Ricardo R. Garza
A Simulation Based Methodology To Examine The B-1b'S An/Alq-161 Maintenance Process, Ricardo R. Garza
Theses and Dissertations
The B-1 Bomber is the Air Force’s only supersonic, conventional-only strike platform. This thesis looks at the maintenance procedures associated with the defensive electronic counter measure (ECM) system on the B-1B, designated the AN/ALQ-161. Computer simulation of the current line-replaceable-unit maintenance network for Ellsworth AFB and Dyess AFB is modeled. In addition, two hypothetical repair networks are proposed and analyzed. This research considers the applicability of this type of computer simulation, using ARENA software to study the AN/ALQ-161 repair system. The contribution of this research is a discrete simulation methodology specific to the AN/ALQ-161 LRU repair line. Two response variables …
Measuring The Effect Of Transportation Uncertainty In The Postponement Strategy, Chang-Sung Kim
Measuring The Effect Of Transportation Uncertainty In The Postponement Strategy, Chang-Sung Kim
Theses and Dissertations
A manufacturing company can postpone production and logistics processes in its supply chain system. The delaying of manufacturing and logistics can eliminate the burden of accurate forecasting of demand and thereby reduce inventory carrying cost. Identical postponement processes cannot be generally implemented because every product has its own characteristics in reference to demand and every company has its own individual production environment. A company needs to find its best postponement strategy to minimize its costs for any certain product. This study applies Pagh and Cooper (1998)’s typology of supply chain postponement/speculation strategies to find the best postponement strategy for a …
Emergency Management Benchmarking Study: Lessons For Increasing Supply Chain Resilience, Jose M. Morais Jr.
Emergency Management Benchmarking Study: Lessons For Increasing Supply Chain Resilience, Jose M. Morais Jr.
Theses and Dissertations
The challenge to manage a business today is bigger than ever, because we cannot think only about our organization, but the intricate network of organizations that form our supply chain. Some organizations cope far better than others with both the prospect and the manifestation of unquantifiable risk -- they share a critical trait: resilience. This study researches emergency management organizations which are required to maintain a state of readiness for immediate reaction, and evaluates best practices in preparedness, detection, response and recovery. Extracting insights from multiple interviews, this research verified that most of the current emergency management best practices do …
Assessing The Economic And Environmental Impacts Associated With Current Street Lighting Technologies, Carlos J. Colon Jr.
Assessing The Economic And Environmental Impacts Associated With Current Street Lighting Technologies, Carlos J. Colon Jr.
Theses and Dissertations
Rising global energy demand and natural disasters continuously threaten energy supplies and prices. As a result, the U.S. government has mandated all government agencies to reduce energy consumption in order to minimize dependence on foreign energy supply and reduce costs. Concern over carbon emissions and environmental impacts has also been expressed in these mandates. One solution may be to invest in newer lighting technologies, such as light-emitting diode (LED) and electrodeless induction, in order to reduce the energy consumption, environmental impact, and costs required for both exterior roadway and parking lot lighting applications. This research compared these lighting technologies with …
A Study Of The Relationship Between Proenvironmental Product Use And Environmnetal Concern, Joshua M. Poulton
A Study Of The Relationship Between Proenvironmental Product Use And Environmnetal Concern, Joshua M. Poulton
Theses and Dissertations
To be sustainable, an organization must be balanced in the three principles of economy, environment, and society. Advances in pro-environmental technology have overcome roadblocks limiting the economic and environmental principles. The remaining hurdle to becoming sustainable is having society’s beliefs and behaviors align. Understanding the interaction between an individual’s environmental belief and environmental behaviors is essential to bringing them into alignment. To explore this relationship, a model was developed that included the new ecological paradigm (NEP) scale and a generalized version of the theory of planned behavior (TPB). The attitudes, intentions, and use of six pro-environmental products were measured in …
Nitrogen And Phosphorus Biomass-Kinetic Model For Chlorella Vulgaris In A Biofuel Production Scheme, William M. Rowley
Nitrogen And Phosphorus Biomass-Kinetic Model For Chlorella Vulgaris In A Biofuel Production Scheme, William M. Rowley
Theses and Dissertations
Chlorella vulgaris was cultured in microbioreactors using Bold’s Basal medium at varying nitrogen and phosphorus concentrations to define nitrogen and phosphorus utilization standards. Nutrient concentration was varied between 137 mg/L to 7.33 mg/L NO3-N and between 55.2 mg/L to11.0 mg/L PO4-P in five test scenarios. All were grown under a constant photoperiod at 22±2 °C and a mixture of 4 to 10% carbon dioxide/air. Maximum yield and growth rate occurred with the highest initial nitrogen and phosphorus concentrations. A statistically significant difference in biomass was found among all test levels at the end of the eight day growth period. Applying …
Economic Feasibility Of Installing An Anaerobic Digester On A Department Of Defense Installation, Russell A. Strange
Economic Feasibility Of Installing An Anaerobic Digester On A Department Of Defense Installation, Russell A. Strange
Theses and Dissertations
Improving technology has made anaerobic digestion a viable method for disposing of organic waste and creating alternative energy. The purpose of this research was to examine the feasibility of installing an anaerobic digester on a Department of Defense installation, and measure its contribution to the execution of Executive Order 13423. A present worth equation was derived in accordance with 10 Code of Federal Regulations 436 expressing viable costs and benefits of an anaerobic digester. A case study of Wright Patterson Air Force Base (WPAFB) was then presented using the derived equation and operational data from functional digesters in the Ohio …
Optimization Of Environmental Conditions To Maximize Carbon Dioxide Sequestration Through Algal Growth, Kenneth M. Karcher
Optimization Of Environmental Conditions To Maximize Carbon Dioxide Sequestration Through Algal Growth, Kenneth M. Karcher
Theses and Dissertations
The micro-alga Chlorella vulgaris was cultivated under a variety of environmental conditions in various culture media solutions to assess and optimize growth rate and biomass productivity. Efforts during this work investigated growth parameters at the micro-scale in an air-lift bubble system with the goal of interpreting performance characteristics that can be applied to a larger serpentine tubular Photo-bioreactor. Maximum growth rates and biomass yields were 0.65 d-1 and 2.003 g biomass/L and achieved in seven days using urea in de-ionized water under a 24:0 Photoperiod (Light:Dark). Additionally, growth rates and biomass yields of 0.65 d-1 and 1.964 g …
Modeling The Fate Of Groundwater Contaminants Resulting From Leakage Of Butanol-Blended Fuel, Khai H. Vuong
Modeling The Fate Of Groundwater Contaminants Resulting From Leakage Of Butanol-Blended Fuel, Khai H. Vuong
Theses and Dissertations
Fuel spills and leaks from storage tanks can contaminate groundwater. Typically in groundwater, hazardous aromatic hydrocarbons like benzene are attenuated through natural processes. However, it is possible that adding butanol to gasoline will interfere with these natural attenuation processes, so that spills and leaks of alternative fuels containing biobutanol may result in more persistent hazardous aromatic hydrocarbon plumes. This effect has already been observed with ethanol, which is currently added to gasoline. A numerical model was developed to simulate the subsurface fate and transport of butanol-blended fuel to assess the potential impacts of butanol on the natural attenuation of benzene. …
Development Of A Novel Noise Delivery System For Jp-8 Ototoxicity Studies, John E. Stubbs
Development Of A Novel Noise Delivery System For Jp-8 Ototoxicity Studies, John E. Stubbs
Theses and Dissertations
Numerous chemicals with ototoxic properties may cause hearing loss directly, potentiate noise-induced hearing loss, or produce additive effects. Of interest to the US Air Force are studies showing ototoxic effects of JP-8 jet fuel and its hydrocarbon constituents. The Naval Health Research Center (NHRC) at Wright-Patterson AFB, Ohio, in conjunction with the USAF, is studying the ototoxic effects of JP-8 in rats. The study requires a white noise source that is one octave band wide, centered at 8 kHz frequency, delivered from outside of exposure chambers. Sound pressure levels must be within ± 2 dB at all exposure points within …
Application Of Satellite-Derived Wind Profiles To Joint Precision Airdrop System (Jpads) Operations, David C. Meier
Application Of Satellite-Derived Wind Profiles To Joint Precision Airdrop System (Jpads) Operations, David C. Meier
Theses and Dissertations
The Joint Precision Airdrop System has revolutionized military airdrop capability, allowing accurate delivery of equipment and supplies to smaller drop zones, from higher altitudes than was previously possible. This capability depends on accurate wind data which is currently provided by a combination of high-resolution forecast models and GPS dropsondes released in the vicinity of the dropzone shortly before the airdrop. This research develops a windprofiling algorithm to derive the needed wind data from passive IR satellite soundings, eliminating the requirement for a hazardous dropsonde pass near the drop zone, or allowing the dropsonde to be dropped farther from the dropzone. …
Design And Evaluation Of A Humanoid Robot For Autism Therapy, Daniel J. Ricks
Design And Evaluation Of A Humanoid Robot For Autism Therapy, Daniel J. Ricks
Theses and Dissertations
Recent evidence has shown that children with autism may behave more pro-socially when interacting with a robot than with a human. The objective of this research is to develop a robotic system for use in the clinical treatment of children with autism. The governing assumption behind this thesis is that using a robot in a clinic, under the guidance of a trained therapist, may lead to therapeutic benefits that may not be achieved without the presence of the robot. The robot Troy was developed to fulfill such a role in a clinical setting. The primary objective was to design a …
Historic Fire Regimes On Eastern Great Basin (Usa) Mountains Reconstructed From Tree Rings, Stanley G. Kitchen
Historic Fire Regimes On Eastern Great Basin (Usa) Mountains Reconstructed From Tree Rings, Stanley G. Kitchen
Theses and Dissertations
Management of natural landscapes requires knowledge of key disturbance processes and their effects. Fire and forest histories provide valuable insight into how fire and vegetation varied and interacted in the past. I constructed multi-century fire chronologies for 10 sites on six mountain ranges representative of the eastern Great Basin (USA), a region in which historic fire information was lacking. I also constructed tree recruitment chronologies for two sites. I use these chronologies to address three research foci. First, using fire-scar data from four heterogeneous sites, I assert that mean fire interval (MFI) values calculated from composite chronologies provide suitable estimates …
Bayesian And Frequentist Approaches For The Analysis Of Multiple Endpoints Data Resulting From Exposure To Multiple Health Stressors., Epiphanie Nyirabahizi
Bayesian And Frequentist Approaches For The Analysis Of Multiple Endpoints Data Resulting From Exposure To Multiple Health Stressors., Epiphanie Nyirabahizi
Theses and Dissertations
In risk analysis, Benchmark dose (BMD)methodology is used to quantify the risk associated with exposure to stressors such as environmental chemicals. It consists of fitting a mathematical model to the exposure data and the BMD is the dose expected to result in a pre-specified response or benchmark response (BMR). Most available exposure data are from single chemical exposure, but living objects are exposed to multiple sources of hazards. Furthermore, in some studies, researchers may observe multiple endpoints on one subject. Statistical approaches to address multiple endpoints problem can be partitioned into a dimension reduction group and a dimension preservative group. …
Contextualized Motivation Theory (Cmt): Intellectual Passion, Mathematical Need, Social Responsibility, And Personal Agency In Learning Mathematics, Janelle Marie Hart
Contextualized Motivation Theory (Cmt): Intellectual Passion, Mathematical Need, Social Responsibility, And Personal Agency In Learning Mathematics, Janelle Marie Hart
Theses and Dissertations
Student motivation has long been a concern of mathematics educators. Here, I characterize motivation, defined as an individual's desire to act in particular ways, through analysis of students' extended, collaborative problem solving efforts. Grounded in a longitudinal research project in calculus learning and teaching, Contextualized Motivation Theory (CMT) offers a means for understanding the complexities of student motivations in mathematics learning. Students in this study chose to act upon various intellectual-mathematical motivations and social-personal motivations, existing simultaneously, within a supporting "web" of motivations. Students exhibited intellectual passion in persisting beyond obtaining correct answers to build understandings of mathematical ideas. CMT …
Part I: Evaluation Of Student Assessment Of Learning Gains (Salg)In Two Different Biology 100 Classes Part 2: What Biology Concepts Are Important In General Education?: Analysis Of Seventeen Core Concepts, Jessica Marie Rosenvall Howelle
Part I: Evaluation Of Student Assessment Of Learning Gains (Salg)In Two Different Biology 100 Classes Part 2: What Biology Concepts Are Important In General Education?: Analysis Of Seventeen Core Concepts, Jessica Marie Rosenvall Howelle
Theses and Dissertations
The purpose of this two-part study is to examine how to improve introductory level non-majors biology courses to improve student attitude and learning gains in the sciences. The first part of this study examines the collective effect of three different pedagogies (service learning, concept mapping and guest lectures) on student attitude and learning gains in a freshman, non-majors biology course. Two classes, one with the three pedagogies, and one without, were compared. Data were collected from two classes in Fall 2008 (one treatment and one control) and two similar classes replicated in Fall 2009. Learning and attitude gains were measured …
The Architect’S Role In European Building Tradition, Albulena Dashaj
The Architect’S Role In European Building Tradition, Albulena Dashaj
Theses and Dissertations
No abstract provided.
Extracellular Matrix Based Substrates For Propagation Of Human Pluripotent Stem Cells, Sheena Abraham
Extracellular Matrix Based Substrates For Propagation Of Human Pluripotent Stem Cells, Sheena Abraham
Theses and Dissertations
In human pluripotent stem cell (hPSC) research and applications, the need for a culture system devoid of non-human components is crucial. Such a system should exhibit characteristics observed in conventional culture systems that have used mouse embryonic fibroblast feeders for hPSC self renewal without the requirement of excessive supplementation with growth factors. To achieve this, we focused on the identification and characterization of extracellular matrix (ECM) substrates for hPSC propagation. ECM substrates derived from mouse and human fibroblasts were assessed for their ability to support self-renewal of hPSCs. Characterization of hPSCs on ECM-based substrates demonstrated maintenance of pluripotent characteristics based …