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Articles 1561 - 1590 of 7696
Full-Text Articles in Entire DC Network
Rescue & Jessica, Katelyn Ryan
Rescue & Jessica, Katelyn Ryan
Diverse Families Bookshelf Lesson Plans and Activities
No abstract provided.
Sarah’S Sleepover, Katelyn Ryan
Sarah’S Sleepover, Katelyn Ryan
Diverse Families Bookshelf Lesson Plans and Activities
No abstract provided.
The Pirate Of Kindergarten, Katelyn Ryan
The Pirate Of Kindergarten, Katelyn Ryan
Diverse Families Bookshelf Lesson Plans and Activities
No abstract provided.
Microgravity Experiments On Accretion In The Protoplanetary Disk, Addison Brown, Stephanie Jarmak
Microgravity Experiments On Accretion In The Protoplanetary Disk, Addison Brown, Stephanie Jarmak
The Pegasus Review: UCF Undergraduate Research Journal
We present the results of an experimental investigation of low-energy collisions between cm-scale and smaller particles in the protoplanetary disk to better understand conditions conducive to the growth of planetesimals, the km-sized building blocks of planets. The COLLIDE (Collisions Into Dust Experiment) and PRIME (Physics of Regolith Impacts in Microgravity Experiment) programs involve cm-scale projectiles impacting a target bed of unconsolidated granular material in microgravity environments on Space Shuttle missions and parabolic airplane flights, respectively. In these experiments, a portion of the target material adhered onto the impactor in some lowvelocity impacts ( < 40 cm/s). Such impact speeds are too slow to study in a normal gravity environment (1 g, where g = 9.8 m/s2 is the acceleration due to gravity …
Featured Bookshelf: 2019 Women's History Month, Megan M. Haught
Featured Bookshelf: 2019 Women's History Month, Megan M. Haught
Featured Bookshelf
Women’s History Month began as a week-long celebration by in Sonoma, California in 1978 which was centered around International Women’s Day on March 8. A year later during a women’s history conference at Sarah Lawrence College, participants learned how successful the week was and decided to initiate similar in their own areas. President Carter issued the first proclamation for a national Women’s History Week in 1980. In 1987, Congress (after being petitioned by the National Women’s History Project) passed Pub. L. 100-9 designating March as Women’s History Month. U.S. Presidents have issued proclamations on Women’s History Month since 1988.
The …
The Relativistic Harmonic Oscillator And The Generalization Of Lewis' Invariant, Daniel Reinhart
The Relativistic Harmonic Oscillator And The Generalization Of Lewis' Invariant, Daniel Reinhart
Electronic Theses and Dissertations
In this thesis, we determine an asymptotic solution for the one dimensional relativistic harmonic oscillator using multiple scale analysis and relate the resulting invariant to Lewis' invariant. We then generalize the equations leading to Lewis' invariant so they are relativistically correct. Next we attempt to find an asymptotic solution for the general equations by making simplifying assumptions on the parameter characterizing the adiabatic nature of the system. The first term in the series for Lewis' invariant corresponds to the adiabatic invariant for systems whose frequency varies slowly. For the relativistic case we find a new conserved quantity and seek to …
What Explains Legislator Support For Traditional Public School Education In Florida, Tiffaney M. Green
What Explains Legislator Support For Traditional Public School Education In Florida, Tiffaney M. Green
Honors Undergraduate Theses
This research was conducted to determine what explains legislative support for traditional public education in Florida based on the 2017 and 2018 legislative sessions. Data from the Florida Education Association ratings for each member of the Florida House and Florida Senate for these legislative sessions was used. Information from each legislator and their district was collected and used as independent variables in this research. How does political party, gender, race, ethnicity, age, chamber, family status, leadership, experience, percentage of school age children in the district, region of the district, and population density of the district affect legislator support for traditional …
Conformations Of Tricyanofuran-Type Metastable-State Photoacids, Juan E. Arias
Conformations Of Tricyanofuran-Type Metastable-State Photoacids, Juan E. Arias
Honors Undergraduate Theses
Tricyanofuran-type metastable-state photoacids, relative newcomers to the field of photochromism, outperform traditional light-controlled molecular switches in regards to applicability in biological systems. In a preliminary attempt to understand the underlying processes that govern these compounds, this thesis project establishes the isomeric identity of an unsubstituted tricyanofuran-type metastable-state photoacid, referred to as TCF 1 in this work. Two-dimensional nuclear magnetic resonance experiments are employed to experimentally determine the presence and identity of the open-form TCF 1 isomers. Electronic structure calculations are then used to provide quantitative insight into the experimental results. Experiment and theory show that four out of eight possible …
Rigorous Analysis Of An Edge-Based Network Disease Model, Sabrina Mai
Rigorous Analysis Of An Edge-Based Network Disease Model, Sabrina Mai
Honors Undergraduate Theses
Edge-based network disease models, in comparison to classic compartmental epidemiological models, better capture social factors affecting disease spread such as contact duration and social heterogeneity. We reason that there should exist infinitely many equilibria rather than only an endemic equilibrium and a disease-free equilibrium for the edge-based network disease model commonly used in the literature, as there do not exist any changes in demographic in the model. We modify the commonly used network model by relaxing some assumed conditions and factor in a dependency on initial conditions. We find that this modification still accounts for realistic dynamics of disease spread …
Role Of Spatial Ability In Musical Instrument Choice: Implications For Music Education, Tevis L. Tucker
Role Of Spatial Ability In Musical Instrument Choice: Implications For Music Education, Tevis L. Tucker
Honors Undergraduate Theses
The intent of this thesis is to explore the relationship between spatial ability and the wide range of musical instruments musicians play. Existing literature has established a link between musicianship and improved spatial ability, but researchers have yet to look at how the spatial makeup of different musical instruments may, in turn, reveal unique levels of spatial proficiency from one instrumentalist to the next. This study was formatted as an online survey that included a music experience scale, a demographics scale, and two measures of spatial ability: the Card Rotations Test (CRT) and the Paper Folding Test (PFT). Participants who …
Cognitive And Vascular Risk Factors For Depression: Testing An Integrated Theoretical Framework, Rosanna Scott
Cognitive And Vascular Risk Factors For Depression: Testing An Integrated Theoretical Framework, Rosanna Scott
Electronic Theses and Dissertations
Objective: Theoretical models that have guided the study of later-life depression include the vascular depression hypothesis, depression-executive dysfunction syndrome, and the CaR-FA-X model. Evidence suggests these can be integrated into a single developmental model of disordered mood (and its associated overgeneral memory feature) in later-life to delineate a mechanism of the vascular depression effect and identify modifiable intervention targets. Methods: In older adults, four serial mediation models evaluated the relationships between (1) vascular burden and depressive symptoms via executive control and rumination, and (2) vascular burden and autobiographical memory specificity (AMS) via executive control and rumination. In younger adults, four …
Development Of 3d Printed And 3d Metal-Based Micro/Nanofabricated, And Nano-Functionalized, Microelectrode Array (Mea) Biosensors For Flexible, Conformable, And In Vitro Applications, Charles Didier
Electronic Theses and Dissertations
Emerging fields such as "Organs on a Chip", disease modeling in vitro, stem cell manufacturing and wearable bioelectronics are demanding rapid development of 3D Microelectrode Arrays (MEAs) for electrical interfacing with biological constructs. The work reported in this thesis focuses on two developmental tracks: "Dynamic 3D MEAs" and metal microfabrication for 3D MEAs. In the first part of the thesis, we explore the capabilities and limitations of 3D printed microserpentines (µserpentines) and utilize these structures to develop dynamic 3D microelectrodes. Analytical modeling of µserpentines flexibility followed by integration into a flexible Kapton® package and PDMS insulation are demonstrated. These 3D …
Application And Comparison Of Active Learning Implementation Methods In Biochemistry Education, Dylan Thibaut
Application And Comparison Of Active Learning Implementation Methods In Biochemistry Education, Dylan Thibaut
Honors Undergraduate Theses
Biochemistry has continued to be one of the most complex and important subjects in science education. The purpose of this research is to investigate active learning implementation methods in a Biochemistry I context to determine the most effective means of preparing current science undergraduates. Two Biochemistry I classes over two semesters were analyzed in this study, with class A using a variable active learning schedule and class B using a consistent active learning schedule. Four aspects were analyzed to determine active learning validity: perception of different active learning properties, standardized final exam grades, class grade, and teaching implementation. The consistent …
Impact Of Work-Life Balance On Health-Related Quality Of Life Among College Students, Emily Vernet
Impact Of Work-Life Balance On Health-Related Quality Of Life Among College Students, Emily Vernet
Honors Undergraduate Theses
Work-life balance involves the management of work and social responsibilities. Specifically, it describes the ability to meet the demands of multiple roles involving academics, social, personal, and professional life. Literature has shown that there is an increasing number of students who are working while taking classes at a university. Previous research has described how young adults balance working and going to school and how work hours influence student's mental, physical, and health behaviors. The purpose of this study is to examine the association between a student's ability to balance work demands, student and life responsibilities, and health outcomes. Using a …
Computational Fluid Dynamics Investigation Of A Novel Hybrid Comprehensive Stage Ii Operation For Single Ventricle Palliation, Marwan Hameed
Computational Fluid Dynamics Investigation Of A Novel Hybrid Comprehensive Stage Ii Operation For Single Ventricle Palliation, Marwan Hameed
Electronic Theses and Dissertations
Hypoplastic left heart syndrome (HLHS) is a type of heart defect where the left ventricle is underdeveloped or not developed, resulting in only a single functioning right ventricle. Approximately 7.5% of patients with congenital heart disease are born with a single ventricle (SV) which is accompanied by a spectrum of other malformations such as atrophied ascending aorta, atrial septal defects, and ventricular septal defects (VSD). The existing three-hybrid staged surgical approach serving as a palliative treatment for this anomaly entails multiple complications and achieves a survival rate of only 50%. To reduce the trauma associated with the second stage of …
On Distributed Estimation For Power Constrained Wireless Sensor Networks, Mojtaba Shirazi
On Distributed Estimation For Power Constrained Wireless Sensor Networks, Mojtaba Shirazi
Electronic Theses and Dissertations
We study distributed estimation (DES) problem in power and bandwidth constrained wireless sensor networks (WSNs), where several sensors make noisy observations of an unknown, and transmit a locally processed version of their observations to a fusion center (FC) over wireless channels. The FC reconstructs the unknown via fusing the received data from sensors. We explore the following problems: (i) we derive Bayesian Fisher information matrix (FIM) for bandwidth-constrained DES of a Gaussian vector with linear observation model, where sensors transmit their digitally modulated quantized observations to the FC over power-constrained fading channels. We develop two transmit power allocation schemes from …
Parameter Estimation Of Stochastic Models Against Probabilistic Temporal Logic Behavioral Specifications, Arfeen Khalid
Parameter Estimation Of Stochastic Models Against Probabilistic Temporal Logic Behavioral Specifications, Arfeen Khalid
Electronic Theses and Dissertations
The inherent behavioral variability exhibited by stochastic systems makes it a challenging task for human experts to manually analyze them. Computational modeling of such systems helps in investigating and predicting the behaviors of their underlying processes but at the same time introduces the presence of several unknown parameters. A key challenge faced in this scenario is to determine the values of these unknown parameters against known behavioral specifications. The solutions that have been presented so far estimate the parameters of a given model against a single specification whereas a correct model is expected to satisfy all the behavioral specifications when …
The Exploration Of Social Anxiety, School Relationships, And Building A Sense Of Community In The Classroom: Molding A Classroom Community., Nicole Hinton
Honors Undergraduate Theses
The purpose of this thesis is to add a sense of community to a primary level classroom and allow students an opportunity to share their progress with peers. Having a sense of community in the classroom will help the teacher and the students build relationships and reduce the amount of stress and anxiety that students feel, which could impact student learning. This thesis explores programs that have been created to help students build social and life skills that contribute in a community. This thesis also focuses on how the students can make thesis changes within themselves rather than as a …
Grating Coupler For Surface Waves Based On Electrical Displacement Currents, Jonathan R. Brescia
Grating Coupler For Surface Waves Based On Electrical Displacement Currents, Jonathan R. Brescia
Honors Undergraduate Theses
Bound electromagnetic surface waves can be excited by free-space waves on a corrugated conduction surface. These electromagnetic surface waves, called surface plasmon polaritons (SPPs), are coupled to a plasma of free charges, which travel together with the wave. We investigated the effect of separating metal corrugations from the smooth metal ground plane with a thin dielectric layer and show that SPPs can be excited via displacement currents. However, the SPP excitation resonances broaden and disappear as the dielectric thickness approaches 1% of the wavelength.
Structure Difference And Implication To Assembly Morphology Control Of Rous Sarcoma Virus Capsid Protein, John Hastings
Structure Difference And Implication To Assembly Morphology Control Of Rous Sarcoma Virus Capsid Protein, John Hastings
Honors Undergraduate Theses
Rous Sarcoma Virus (RSV) is an avian retrovirus with an enclosing capsid protein (CA) shell. RSV CA is studied due to its similar molecular structure to other retrovirus capsid proteins such as Human Immunodeficiency Virus (HIV). In this project, turbidity assay is used to track the assembly process of RSV CA, while solid state nuclear magnetic resonance (ssNMR) is used to probe the CA structure at a site specific level and investigate the morphology of the spherical structure of the I190V mutated strain of RSV CA. The I190V mutant is a naturally occurring mutation and is able to form into …
The American Dream And The Filipino College Student, Angelo Gabriel G. Baldado
The American Dream And The Filipino College Student, Angelo Gabriel G. Baldado
Honors Undergraduate Theses
The American Dream Ideology is defined by Sociologist, Jennifer Hochschild as, "All persons in the United States can achieve the American Dream, which is defined as the achievement of success however that is defined to oneself, through hard work and one's own efforts." Filipino Americans have a unique history with the United States and much of Filipino culture has roots within its history of colonization by Spain and the United States. Previous research has shown a high consistent rate of immigration into the United States, and high rates of social mobility among second-generation Asian immigrants compared to first-generation Asian immigrants. …
Split Probe Detection Of The Influenza A Virus For Improved Diagnostics In A Point Of Care System, Tamar Yishay
Split Probe Detection Of The Influenza A Virus For Improved Diagnostics In A Point Of Care System, Tamar Yishay
Honors Undergraduate Theses
A group of Influenza viruses, RNA containing viruses of the Orthomyxoviridae family, consists of Influenza virus types A-D and has been known to cause the Flu, a respiratory illness associated with numerous detrimental symptoms that can lead to death. Influenza A virus (IAV) is constantly changing and is capable of causing pandemics. Currently used diagnostic methods include virus culturing, immunoassays including rapid influenza detection tests (RIDTs), and molecular assays including those based on RT-PCR. Most of the methods can be only performed in the certified diagnostic laboratories equipped with sophisticated instrumentation and/or special biosafety facilities. The results using these methods …
Urinalysis Screening Of Drugs In Adulterated Samples Via Direct Analysis In Real Time -- High Resolution/ Mass Spectrometry (Dart-Hr/Ms), Bianca E. Olivieri
Urinalysis Screening Of Drugs In Adulterated Samples Via Direct Analysis In Real Time -- High Resolution/ Mass Spectrometry (Dart-Hr/Ms), Bianca E. Olivieri
Honors Undergraduate Theses
Current screening methods for drug analysis with urine samples includes examination of the sample with an immunoassay. These methods are used to determine the concentration of drug metabolites contained within the sample prior to further confirmatory testing. Drug testing plays a crucial role in maintaining safe workplace environments and safety of individuals. However, a positive result can lead to heavy consequences for the employee including suspension or removal from the workplace. Therefore, a majority of individuals add commonly known products into the sample to evade detection by developing a false negative result. Although specimen integrity examinations are performed to identify …
Academic Competence, Self-Efficacy, And Achievement Expectations Among International Students At The University Of Central Florida, Emily Hynson
Honors Undergraduate Theses
With the vast and continued growth of international students in the U.S., it is important to focus on this expanding group and identify factors that aid or hinder academic performance, achievement, expectations, and competence. Factors known to affect academics among international students, such as language barriers, acculturation to American society, university support and structure, social integration at the university, family support, and motivating factors to study in the U.S were examined. It was hypothesized that these known factors would negatively correlate with the academic outcomes of international students examined in the current study. It was also hypothesized that these factors …
Mechanical Characterization Of Anisotropic Fused Deposition Modeled Polylactic Acid Under Combined Monotonic Bending And Torsion Conditions, Aaron T. Santomauro
Mechanical Characterization Of Anisotropic Fused Deposition Modeled Polylactic Acid Under Combined Monotonic Bending And Torsion Conditions, Aaron T. Santomauro
Honors Undergraduate Theses
Mechanical strength of polylactic acid (PLA) is increasingly relevant with time because of its attractive mechanical properties and 3D printability. Additive manufacturing (AM) methods, such as fused deposition modeling (FDM), stereolithography (SLA), and selective laser sintering (SLS), serve a vital role in assisting designers with cheap and efficient generation of the desired components. This document presents research to investigate the anisotropic response of multi-oriented PLA subjected to multiple monotonic loading conditions. Although empirical data has previously been captured for multi-oriented PLA under tensile and compressive loading conditions, the data has yet to be applied with regard to a representative component …
Autologous Skin Cell Spray-Transplantation As An Innovative Alternative To Autologous Split- Thickness Skin Grafts For Deep Partial Thickness Burn Wounds: An Integrative Literature Review, Alexandria M. Beaudet
Autologous Skin Cell Spray-Transplantation As An Innovative Alternative To Autologous Split- Thickness Skin Grafts For Deep Partial Thickness Burn Wounds: An Integrative Literature Review, Alexandria M. Beaudet
Honors Undergraduate Theses
Burn wounds tend to be a critical problem with a complicated healing process. Although advancements have been made and the treatment of burn wounds has improved significantly, the healing process for deep-partial thickness burn wounds remains problematic. The purpose of this thesis is to review the available literature on an innovate biotechnology, autologous skin cell-spray transplantation, to more effectively treat burn wounds and potentially other injuries in the future. This study was conducted by critically researching and comparing (N=7) peer-reviewed research articles focusing not only on burn wounds using traditional treatments, but also the treatment of burn wounds using revolutionary …
An Investigation Of Textile Fibers By Means Of Rgb Analysis Of Birefringence, Olivia F. Feild
An Investigation Of Textile Fibers By Means Of Rgb Analysis Of Birefringence, Olivia F. Feild
Honors Undergraduate Theses
Fiber analysis using birefringence has been around for years but has only recently been looked at more closely under a microscope. Recent scientists have proposed methods to correct issues found with fiber analysis using birefringence, yet there has not be a defined perfect method. This research will focus on correcting previously found issues with works by Michel-Lévy and Sorensen's, as well as other scientists involved and perfecting the analysis of fiber through birefringence. The goal will be to take this research one step further into the analysis of textile fibers by RGB value analysis and birefringence. The RGB values will …
Time Series Forecasting And Analysis: A Study Of American Clothing Retail Sales Data, Weijun Huang
Time Series Forecasting And Analysis: A Study Of American Clothing Retail Sales Data, Weijun Huang
Honors Undergraduate Theses
This paper serves to address the effect of time on the sales of clothing retail, from 2010 to May 2019. The data was retrieved from the US Census, where N=113 observations were used, which were plotted to observe their trends. Once outliers and transformations were performed, the best model was fit, and diagnostic review occurred. Inspections for seasonality and forecasting was also conducted. The final model came out to be an ARIMA (2,0,1). Slight seasonality was present, but not enough to drastically influence the trends. Our results serve to highlight the economic growth of clothing retail sales for the past …
Utilizing Journaling In The Mathematics Classroom: A Handbook Guide For Teachers, Audrey Nicole Wilson
Utilizing Journaling In The Mathematics Classroom: A Handbook Guide For Teachers, Audrey Nicole Wilson
Honors Undergraduate Theses
A handbook designed for teachers to illustrate how to utilize journaling as an effective teaching practice in the mathematics classroom. This thesis was written to illuminate educators about the powerful research and proper strategies for implementing journaling in mathematics. The handbook provides three lesson plan samples using journaling in the mathematics classroom for grades 3-5, strategies and idea for implementing journaling in mathematics, and tips and activities for mathematical journaling. The goal of this handbook is to give teachers clarity, examples, guidance, and strategies on mathematical journaling.
Physics-Guided Deep Learning For Power System Sate Estimation, Lei Wang
Physics-Guided Deep Learning For Power System Sate Estimation, Lei Wang
Electronic Theses and Dissertations
Conventionally, physics-based models are used for power system state estimation, including Weighted Least Square (WLS) or Weighted Absolute Value (WLAV). These models typically consider a single snapshot of the system without capturing temporal correlations of system states. In this thesis, a Physics-Guided Deep Learning (PGDL) method incorporating the physical power system model with the deep learning is proposed to improve the performance of power system state estimation. Specifically, inspired by Autoencoders, deep neural networks (DNNs) are utilized to learn the temporal correlations of power system states. The estimated system states are checked against the physics law by a set of …