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Articles 1 - 14 of 14
Full-Text Articles in Physical Sciences and Mathematics
Invasives In Our National Parks: How Tourists Can Help Stop The Spread Of Invasive Species, Alexandria Elivira Marci
Invasives In Our National Parks: How Tourists Can Help Stop The Spread Of Invasive Species, Alexandria Elivira Marci
Masters Theses
Invasive species are a major issue around the world and more specifically in our U.S. National Parks. Ranging from plants to insects to animals, invasive species are a greater threat than many may imagine. The impact that invasive species have on an ecosystem encompasses more than taking over a native species’ environment; it includes competing for food, water, and other resources, as well as having an adverse effect on our economy and threatening us with deadly diseases. Many factors lead to the cause of spread of invasive species, but all point back to human interference, from purposely spreading invasive species …
Effects Of Virtual Math Mentorships On Elementary Student Math Scores, Tammy T. May
Effects Of Virtual Math Mentorships On Elementary Student Math Scores, Tammy T. May
Doctoral Dissertations and Projects
The purpose of this quantitative, quasi-experimental study was to examine the relationship between college students’ virtual math mentorships and instruction on third grade students’ math academic success. College students in teacher preparation programs investigated deficiencies in third grade students’ competency of math concepts as specified by state standards, and they designed lessons to address these challenges through weekly virtual meetings. Third grade teachers wanted to provide additional math supports for their struggling students, and this partnership between the college students and the third graders was the foundation of this study at four Title 1 rural elementary schools. This research is …
The Effects Of Advanced Analytics And Machine Learning On The Transportation Of Natural Gas, Bj Stigall
The Effects Of Advanced Analytics And Machine Learning On The Transportation Of Natural Gas, Bj Stigall
Doctoral Dissertations and Projects
This qualitative single case study describes the effects of an advanced analytic and machine learning system (AAML) has on the transportation of natural gas pipelines and the causes for failure to fully utilize the advanced analytic and machine learning system. This study's guiding theory was the Unified Theory of Acceptance and Use of Technology (UTAUT) model and Transformation Leadership. The factors for failure to fully utilize AAML systems were studied, and the factors that made the AAML system successful were also examined. Data were collected through participant interviews. This study indicates that the primary factors for failure to fully utilize …
Extreme Weather And Its Impacts On Human Civilizations: An In-Depth Investigation Of Causes And Effects, Jason Zabel
Extreme Weather And Its Impacts On Human Civilizations: An In-Depth Investigation Of Causes And Effects, Jason Zabel
Senior Honors Theses
Extreme weather has impacted humanity since creation and is an important topic that deserves examination. In this thesis, the main event that is presented and analyzed is the extreme haze that clouded much of China’s skies in 2013. Further, the impacts this major event had on people, including changes in population movement, death/injury rate, and changes in atmospheric chemistry due to the high concentration of particulates are discussed. Subsequent examples that will be explored include Hurricane Katrina and the eruption of Mt. St. Helens. The main contention of this thesis is that the effects extreme weather has on human civilization …
Software-Based Side Channel Attacks And The Future Of Hardened Microarchitecture, Nathaniel Hatfield
Software-Based Side Channel Attacks And The Future Of Hardened Microarchitecture, Nathaniel Hatfield
Senior Honors Theses
Side channel attack vectors found in microarchitecture of computing devices expose systems to potentially system-level breaches. This thesis consists of a comprehensive report on current exploits of this nature, describing their fundamental basis and usage, paving the way to further research into hardware mitigations that may be utilized to combat these and future vulnerabilities. It will discuss several modern software-based side channel attacks, describing the mechanisms they utilize to gain access to privileged information. Attack vectors will be exemplified, along with applicability to various architectures utilized in modern computing. Finally, discussion of how future architectural changes must successfully harden chips …
Microbial Assemblages In Relation To Host And Environmental Surroundings, Mark Fischer
Microbial Assemblages In Relation To Host And Environmental Surroundings, Mark Fischer
Senior Honors Theses
The goal of this study was to determine if the microbiome between two crayfish microhabitats were different from one other, in addition to the surrounding water and sediment. This project was a field-based study in which all environmental samples and crayfish were collected from a central Virginian freshwater stream. Molecular techniques were employed to sequence bacterial DNA from the various sample types and Qiime 2 was used to analyze statistical differences. The results from this study aligned well with the initial hypothesis in that the alpha-diversities between all of the sample types were statistically different (P<0.05) except for the gill chamber and surrounding water microbial assemblages. In addition, the Beta-diversity was statistically different when the bacterial composition of one sample type was compared to the composition of the other samples (P<0.05). This data aids in our understanding of the significance of microbes within a freshwater ecosystem and how they are distributed among freshwater organisms, such as the crayfish.
Potential Effects Of Autonomous Vehicles On The Insurance Industry, Zachery Trump
Potential Effects Of Autonomous Vehicles On The Insurance Industry, Zachery Trump
Senior Honors Theses
The implementation of autonomous vehicles, or self-driving cars, promises to radically change much of the normal way of life. While it may seem inconsequential to start small with a vehicle of relatively low level of automation, there are many factors to consider. Some of these factors include security, moral dilemmas, and even the insurance field. One can look back at previous implementations of new technology, such as air bags, and see that it can be difficult to predict consequences and adapt. However, actuaries have been suggesting solutions to make autonomous vehicles a safe reality. While the solutions may vary, one …
Game-Based Learning In Science: Can Video Games Simplify Organic Chemistry?, Rachel Israel
Game-Based Learning In Science: Can Video Games Simplify Organic Chemistry?, Rachel Israel
Senior Honors Theses
Organic chemistry has been taught in the same way for decades, and students still have difficulty understanding and comprehending the subject material. Perhaps it is time to change the methods by which this subject is taught. Video games have been successfully used in education to create learning environments that increase student motivation and engagement as well as challenge students and promote collaboration. It is difficult for students to maintain a growth mindset in organic chemistry within the classroom. However across different genres, video games create a unique environment where an individual is encouraged to try again when they fail. This …
Biomedical Applications And Syntheses Of Selected Anthraquinone Dyes, Richard Sirard
Biomedical Applications And Syntheses Of Selected Anthraquinone Dyes, Richard Sirard
Senior Honors Theses
Anthraquinones are aromatic organic compounds that have multiple applications in the biomedical field. Some anthraquinone-based compounds are used as fluorophores to contrast cell nuclei while others act as chemotherapeutic agents. However, there are not many fluorescent anthraquinone cell stains currently available. In this study, commercially available anthraquinone dyes, in addition to other dye families and compounds, were reviewed for their unique properties, advantages, and drawbacks. The development and characterization of three novel anthraquinone fluorophores revealed promising photophysical characteristics, like large Stokes shifts. One of the compounds, RBS3, was chosen for fixed and live cell staining and exhibited desirable biomedical properties. …
The Fundamental Limit Theorem Of Countable Markov Chains, Nathanael Gentry
The Fundamental Limit Theorem Of Countable Markov Chains, Nathanael Gentry
Senior Honors Theses
In 1906, the Russian probabilist A.A. Markov proved that the independence of a sequence of random variables is not a necessary condition for a law of large numbers to exist on that sequence. Markov's sequences -- today known as Markov chains -- touch several deep results in dynamical systems theory and have found wide application in bibliometrics, linguistics, artificial intelligence, and statistical mechanics. After developing the appropriate background, we prove a modern formulation of the law of large numbers (fundamental theorem) for simple countable Markov chains and develop an elementary notion of ergodicity. Then, we apply these chain convergence results …
Use Of Anthraquinone Derivatives And Methods Of Efficient Syntheses, Alex Crespo
Use Of Anthraquinone Derivatives And Methods Of Efficient Syntheses, Alex Crespo
Senior Honors Theses
While the bromination of aromatic compounds is a well-researched topic, AQ and hydroxy substituted AQ derivatives, with two carbonyl groups acting as strong deactivators for electrophilic substitution, are notoriously difficult to brominate.11 Although there are well defined ways to brominate an AQ or hydroxy substituted AQ dating back to 1921,12 in order to synthesize more complex AQ derivatives, a method for halogenating AQ derivatives already bonded to more complicated or unstable functional groups is needed in order for the compound to carry out desirable activities. This represents an area of great need in research. The purpose of this …
The Effectiveness Of Professional Punters, Arthur N. Tanyel
The Effectiveness Of Professional Punters, Arthur N. Tanyel
Senior Honors Theses
Sports analytics have become a major part of how many sports fans enjoy the games they love. The trend has touched sports from football to cricket. One aspect of football that has been less discussed is punting. The current standard metrics, gross yardage and net yardage, give an idea of how a punter performed in a given season, but they also may be skewed by a number of factors, such as the skill of the offense or the punt coverage team. In this paper, we will look at some previous attempts to measure punting prowess, and then further develop a …
Factors Influencing Small Construction Businesses From Implementing Information Security: A Case Study, Carl Andrew Mayes
Factors Influencing Small Construction Businesses From Implementing Information Security: A Case Study, Carl Andrew Mayes
Doctoral Dissertations and Projects
This qualitative study described the influence of small businesses’ failure to properly implement information security technologies resulting in the loss of sensitive and proprietary business information. A collective case study approach was used to determine the most effective way to gain a holistic picture of how small construction businesses make security technology implementation decisions to support their workforce. The theory guiding this study was the Unified Theory of Acceptance and Use of Technology (UTAUT) model which is related to the Theory of Planned Behavior and the Technology Acceptance Model which helped explain the intentions of individuals to use information systems. …
On Studying Distributed Machine Learning, Simeon Eberz
On Studying Distributed Machine Learning, Simeon Eberz
Senior Honors Theses
The Internet of Things (IoT) is utilizing Deep Learning (DL) for applications such as voice or image recognition. Processing data for DL directly on IoT edge devices reduces latency and increases privacy. To overcome the resource constraints of IoT edge devices, the computation for DL inference is distributed between a cluster of several devices. This paper explores DL, IoT networks, and a novel framework for distributed processing of DL in IoT clusters. The aim is to facilitate and simplify deployment, testing, and study of a distributed DL system, even without physical devices. The contributions of this paper are a deployment …