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Articles 1381 - 1410 of 10597
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Light Management In Iii-V Thin-Film Photovoltaics And Micro-Leds, Julia Rae D'Rozario
Light Management In Iii-V Thin-Film Photovoltaics And Micro-Leds, Julia Rae D'Rozario
Theses
Light management is essential to improve the performance of optoelectronic devices as they depend on the interaction between photons and device design. This research demonstrates novel approaches to enhance the light absorption in thin-film III-V photovoltaics (PV) and light emission from micrometer-scale light-emitting diodes (μLED). The high power conversion efficiency (PCE) realized in III-V PV makes them attractive power generation sources, especially for off-the-grid space-related missions. Thin-film PV (< 1 μm) offer great tolerance towards the inevitable radiation damage in the space environment as carrier collection is maintained compared to their optically thick counterparts (3-5 μm). To combat transmission loss of photons traveling through the thinned device, this work develops textured back surface reflectors (BSR) to increase the optical path length (OPL) of unabsorbed photons to generate electron-hole pairs. The textures are created via etching techniques and epitaxial regrowth and are characterized by surface imaging and reflectance (R) measurements. The textured BSR with high diffuse R increase the OPL, and the best-known design demonstrates over a four-fold increase in the OPL, which is two times greater than the planar BSR. This research delivers new analyses useful to the PV community, including the lifetime enhancement factor and free-carrier absorption modeling, which aim to improve the PCE in thin-film PV. Modern display technology is constantly integrated into daily use to convey information and connect people worldwide. The next generation of wearable devices requires small-featured displays to achieve high resolution. The μLED delivers value to near-eye displays through low power consumption, long lifetime, high contrast, and increased resolution. As these devices reduce in size, surface states limit the light output power (LOP) at the roughened sidewalls, and the perimeter-to-area ratio must be considered. This research focuses on developing a fabrication process that improves LOP through sidewall treatments. The dry etch process is optimized to reduce surface roughness, and sidewall treatments via wet-chemical etching, in situ etching, and regrowth aim to improve the sidewall quality. Scanning electron microscopy on the LED sidewalls supports the optimized fabrication process. Luminescence characterization reveals that combinations of etching and regrowth suppress non-radiative recombination events. These techniques render pathways to enhance LOP in LEDs smaller than 25 μm x 25 μm.
A Smart Yoga Mat System Designed For Visually Impaired People, Dan Han
A Smart Yoga Mat System Designed For Visually Impaired People, Dan Han
Theses
Globally, nearly 2.2 billion people are visually impaired, while 39 million are blind at present. Due to various factors, it is difficult for the blind to exercise. Though associations for blind people and disabled schools provide more possibilities for sports training for visually impaired people, these resources cannot reach everyone in need because of location and foundation limits. The project aims to make fitness more accessible for visually impaired people to help them keep healthy. Thus it could support their confidence and independence as they expected. Furthermore, society's awareness of visually impaired people's difficulties while exercising then, more studies could …
Identification Of Essential Gene Relations For Lung Adenocarcinoma Therapy Targets By Cross-Referencing Literature-Mined And Rnaseq Data, Mariel V. Pridmore
Identification Of Essential Gene Relations For Lung Adenocarcinoma Therapy Targets By Cross-Referencing Literature-Mined And Rnaseq Data, Mariel V. Pridmore
Theses
Lung adenocarcinoma is the most frequently diagnosed subtype of lung cancer, and while the disease itself can be strenuous, the typical treatments such as chemotherapy are also known to cause whole body harm to the patient due to its systemic nature. Target therapies are increasingly gaining popularity for their ability to selectively apply the therapy to a specific cell. In terms of cancer, this method would lessen some, if not all the painful side-effects of chemotherapy and enhance a patient’s quality of life. Narrowing down what genes are deemed to be essential to the operation of the cell can help …
Basketball Footwear, Adaptable Vamp Modular Mid-Sole To Better Match Foot Shape And Player’S Needs, Zihan Luo
Basketball Footwear, Adaptable Vamp Modular Mid-Sole To Better Match Foot Shape And Player’S Needs, Zihan Luo
Theses
The left and right feet are not exactly symmetrical, including the form, muscle strength, yet the left and right sneakers on the market are equal. Through the configuration of modular basketball shoe mid sole, users can choose their own basketball shoes that fit both feet. This project is a basketball footwear works those problems mention above.
Deeprm: Deep Recurrent Matching For 6d Pose Refinement, Alexander Avery
Deeprm: Deep Recurrent Matching For 6d Pose Refinement, Alexander Avery
Theses
Precise 6D pose estimation of rigid objects from RGB images is a critical but challenging task in robotics and augmented reality. To address this problem, we propose DeepRM, a novel recurrent network architecture for 6D pose refinement. DeepRM leverages initial coarse pose estimates to render synthetic images of target objects. The rendered images are then matched with the observed images to predict a rigid transform for updating the previous pose estimate. This process is repeated to incrementally refine the estimate at each iteration. LSTM units are used to propagate information through each refinement step, significantly improving overall performance. In contrast …
The Effects Of Corrective Feedback Frequency On Esl Pronunciation Uptake, Repair, And Preference, Rachel Rosemarie Stuckel
The Effects Of Corrective Feedback Frequency On Esl Pronunciation Uptake, Repair, And Preference, Rachel Rosemarie Stuckel
Theses
Second language (L2) learning has begun recognizing that intelligibility, comprehensibility, and accentedness influence how nonnative speakers of English are perceived by others. As such, pronunciation instruction is becoming more common in L2 curriculum around the world. Corrective Feedback (CF) is commonly given in the pronunciation classroom to draw attention to and correct learners’ errors. Research has tried to understand what forms of CF are most effective for language learning, how CF affects pronunciation, and what learners believe about CF. What is lesser known is if the frequency or rate of CF affects learner’s uptake and pronunciation error repair. Participants in …
Density Functional Theory Studies Of Fermi Resonance In Small Aryl Azide Vibrational Probes, Gammanage Sathya Madhuwanthi Perera
Density Functional Theory Studies Of Fermi Resonance In Small Aryl Azide Vibrational Probes, Gammanage Sathya Madhuwanthi Perera
Theses
Site-specific study of the protein using time-resolved IR spectroscopy with the assistance of vibrational probes (VPs) has been the most promising research discipline. However, azide VPs that are absorbed within the protein transparent window generate a complex absorption profile due to Fermi resonance (FR). In the current study, the azide absorption profiles of three aryl-azide compounds: 4-azidotoluene, 4-azido-N-phenylmaleimide, and 4-azidoacetanilide have been explored with basis set effect, solvent effect, intramolecular effect, and the effect of rotational isomerism. Basis set effect was studied using seven basis sets namely: 6-31G(d,p), 6-31+G(d,p), 6-31++G(d,p), 6-311G(d,p), 6-311+G(d,p), 6-311++G(d,p) and 6-311++G(df,pd) with DFT/B3LYP. Geometry optimization and …
Using Email Reminders To Increase Virtual Attendance For Middle School Students, Lauren Cline
Using Email Reminders To Increase Virtual Attendance For Middle School Students, Lauren Cline
Theses
As the COVID-19 pandemic progressed, professionals in the field of behavior analysis and education have continually asked how to help students access quality education while still keeping them safe and healthy. There have been multiple options presented that allow students to access their education, such as being fully in-person, fully virtual, and a hybrid option that includes both in-person and virtual learning. Due to different factors, families may choose a full virtual option for their children. But then the question becomes, “how do we make sure they log into their classes on time?” School attendance continues to be an issue …
Personifications Of The Sacred And The Sovereign Represented In The Art Of The Sala Del Maggior Consiglio In Palazzo Ducale, Susan Sholar Hanny
Personifications Of The Sacred And The Sovereign Represented In The Art Of The Sala Del Maggior Consiglio In Palazzo Ducale, Susan Sholar Hanny
Theses
The aim of this research is to conduct a comprehensive analysis of why the Venetian Republic incorporated specific personifications in the art of the Sala del Maggior Consiglio (Chamber of the Great Council) (fig. 1) in Palazzo Ducale (Doge’s Palace) (fig. 2) created after 1577 (when a fire destroyed most of the existing artwork in the room) to promulgate the sacredness and sovereignty of the Venetian Empire. In addition, the research seeks to connect the personifications to events in Venetian history that influenced the use of specific figurative images within the artwork and to the message the Venetian Republic was …
Art Curriculum Lesson Plan: Horace Pippin’S World War I Journal, Tracie Dana Sykes
Art Curriculum Lesson Plan: Horace Pippin’S World War I Journal, Tracie Dana Sykes
Theses
This report contains a detailed curriculum plan for a ninety-minute, eleventh grade Art class. The purpose is to provide the students with a thorough study of Horace Pippin’s World War I journal, while implementing two assignments to test their understanding of the areas which will be emphasized in the lesson. The students will be able to demonstrate their understanding of Pippin’s War journal by presenting a detailed slideshow about the artist and his journal. The students' foundational knowledge of Naive art will be recognized through the creation of his/her unique piece of art which will implement the mannerisms of Naive …
Cross-Cultural Currents And Syncretism In Early Modern Opossum Iconography, Deniz Martinez
Cross-Cultural Currents And Syncretism In Early Modern Opossum Iconography, Deniz Martinez
Theses
Opossums (Order Didelphimorphia) are marsupial mammals endemic to the Americas. They are also the first marsupials Europeans ever encountered, over a century before any Australasian species. Because of their unique marsupial characteristics, opossums have historically been viewed as an “anomalous” animal form across both Indigenous American and European cultures, and thus developed a rich and complex transatlantic cultural history. By tracing the development of opossum imagery through the millennia, one can uncover clear patterns of how their distinct features became embedded in iconographies relative to biogeocultural sphere, and how certain iconographic conventions were transmitted through various media both within and …
The Control Of Morality As Demonstrated Through Allegorical Symbolism In Late Medieval Tapestry And Morality Plays, Kelsey Cook
The Control Of Morality As Demonstrated Through Allegorical Symbolism In Late Medieval Tapestry And Morality Plays, Kelsey Cook
Theses
This paper examines the use of allegory in the late medieval tapestry The Prince of Malice and His Court, produced between 1470 and 1480, alongside similar allegorical devices used in the contemporary French morality play L’Homme Juste et L’Homme Mondain. Recent scholarship on late medieval tapestry has included conversations of literary influence, mainly focusing on romance literature in particular. Although these comparisons have laid a foundation for the use of allegory within tapestry, a comparison to other literary examples is lacking. The following research, therefore, will analyze tapestry against morality plays to further extrapolate the visual exchange that occurred between …
Women’S Influence In Cerén’S Architecture: Weaving Patterns In Classic Maya Art, Nicole Rosalia Lazo
Women’S Influence In Cerén’S Architecture: Weaving Patterns In Classic Maya Art, Nicole Rosalia Lazo
Theses
This study aims to disclose how Classic Maya commoners utilized weaving patterns in small village architecture to highlight female power and status in the highlands of Mesoamerica. There are two primary goals for this project: first, to demonstrate how the weaving patterns in Maya highlands architecture stood as a symbol for female authority; second, to add equity and diversity to the field of art history by studying the Maya with a feminist lens, which is typically an underrepresented culture and gender in comparison to other civilizations, such as those from Europe and the United States. Furthermore, the Classic Maya farming …
Cult Of Propaganda: Monastic Dominance As Displayed In Canterbury Cathedral's Saintly Iconography, Jon Talvin Breazeale
Cult Of Propaganda: Monastic Dominance As Displayed In Canterbury Cathedral's Saintly Iconography, Jon Talvin Breazeale
Theses
This thesis examines the iconography in the windows of the Early English saints Dunstan and Alphege as depicted in England’s Canterbury Cathedral. In the windows of St. Dunstan, one can see how the saint saves the monarchs from the flames of hell. It also shows what can happen to those that would question or challenge the authority of the Archbishop of Canterbury. The windows of St. Alphege show a dedicated man of the church ready to give his life to help save the town’s people from an unruly group of invaders. These windows were added to the eastern arm of …
The Artists Of The Walter Crane Fan: Gender And Performance In 1895, Caroline Haller
The Artists Of The Walter Crane Fan: Gender And Performance In 1895, Caroline Haller
Theses
The curiosity of the Walter Crane Fan, an autograph fan created in 1895, is that despite featuring forty signatures of famed artists, writers, musicians and public figures, it has received little critical examination. The re-discovery of the Walter Crane Fan when it came to auction, prompted its inclusion in The Cult of Beauty: The Aesthetic Movement 1860-1900 exhibition originally held at the Victoria and Albert Museum in London in 2011. Then, the Crane Fan was the focus of Robyne Calvert’s essay “An Artistic Fan in Victorian Society” in Connecting Whistler: Essays in Honour of Margaret F. Macdonald. However, to date, …
Creating A Social Media Marketing Strategy For A Small Business, Kaila Trowbridge
Creating A Social Media Marketing Strategy For A Small Business, Kaila Trowbridge
Theses
As the world continues to digitalize, it has never been more crucial to use and understand social media when running a business of any size. Social media is where people share their ideas, experiences, and information with the world. People can reach a larger audience once they grow their profiles and understand who the audience truly is. From a business standpoint, social media should be used to display products, services, and develop an open relationship with the audience and customers.
Effects Of Prompting Via Automated Phone Calls On Documentation Completion, Erin Malinowski
Effects Of Prompting Via Automated Phone Calls On Documentation Completion, Erin Malinowski
Theses
This study attempted to determine if a low-cost, minimally time consuming intervention could increase document completion – specifically end of shift reports. Using a concurrent multiple baseline design, automated phone calls reminded staff to complete their end of shift reports. Participants were the staff members at 16 group homes. All participants were trained Direct Support Professionals. The dependent variable was completion of end of shift reports as a percent of opportunities. There was a measurable response to the intervention. Overall, the percent of completion increased from 4% in baseline to 22% during intervention. The agency desired a much higher response …
Why Did You Clone These Identifiers? Using Grounded Theory To Understand Identifier Clones, Luis Angel Gutierrez Galaviz
Why Did You Clone These Identifiers? Using Grounded Theory To Understand Identifier Clones, Luis Angel Gutierrez Galaviz
Theses
Developers spend most of their time comprehending source code, with some studies estimating this activity takes between 58% to 70% of a developer’s time. To improve the readability of source code, and therefore the productivity of developers, it is important to understand what aspects of static code analysis and syntactic code structure hinder the understandability of code. Identifiers are a main source of code comprehension due to their large volume and their role as implicit documentation of a developer’s intent when writing code. Despite the critical role that identifiers play during program comprehension, there are no regulated naming standards for …
Leveraging Identifier Naming Structures In Source Code And Bug Reports To Localize Relevant Bugs, James Dugan
Leveraging Identifier Naming Structures In Source Code And Bug Reports To Localize Relevant Bugs, James Dugan
Theses
When bugs are found in source code, bug reports are created which contain relevant information for developers to locate and fix the bug. In large source code repositories, it can be difficult and time consuming for developers to manually analyze bug reports to locate a bug. The discovery of patterns between bug reports and source files has led to the creation of automated tools using various techniques. Automated bug localization techniques can reduce the amount of manual effort required by developers by ranking the most probable location of the bug using textual information from bug reports and source code. Although …
Fabrication And Characterization Of Germanium Telluride Nanowires, Shaikha Saeed Alketbi
Fabrication And Characterization Of Germanium Telluride Nanowires, Shaikha Saeed Alketbi
Theses
Random access memories (RAMs) made from phase change materials (PCMs) are a promising alternative for flash memory technology currently dominating the memory market owing to its many appealing traits such as non-volatility, fast read/write performance, excellent scalability, and compatibility with complementary metal-oxide-semiconductor (CMOS) architectures. In fact, the scalability of PCMs is driving this class of materials to be the successor in the memory industry in the near future, and germanium telluride (GeTe) is one of the most viable PCMs in this context. In this study the phase change material GeTe nanowires, is fabricated using the vapor–liquid–solid (VLS) growth method. GeTe …
Investigating Vector Space Embeddings For Database Schema Management, Goldy Malhotra
Investigating Vector Space Embeddings For Database Schema Management, Goldy Malhotra
Theses
Text generation in the area of natural language processing as part of the artificial intelligence field has been greatly improving over the last several years. Here we examine the application of vector space word embeddings to provide additional information and context during the text generation process as a way to improve the resultant output through the lens of database normalization. It is known that words encoded into vector space that are closer together in distance generally share meaning or have some semantic or symbolic relationship. This knowledge, paired with the known ability of recurrent neural networks in learning sequences, will …
Within The Hour, Jacob Dowis
Within The Hour, Jacob Dowis
Theses
In our hyper-connected, present-day reality, many people think of solitude as a strange or lonely aspect of life. Over the last two years, I have been exploring themes of solitude by isolating individuals in composition. I first began the project primarily by photographing myself and the landscape around me, including both residential and public areas that I would find myself in. The concept grew from the isolation I felt when first moving here for school during the Covid pandemic. It was the first time I was living on my own, and in addition, I was moving to a new city …
Multi-Modal Human Fatigue Classification Using Wearable Sensors For Human-Robot Teams, Likhitha Nagahanumaiah
Multi-Modal Human Fatigue Classification Using Wearable Sensors For Human-Robot Teams, Likhitha Nagahanumaiah
Theses
Our main objective of this study is to create a fatigue detection model using real-time data by using wearable sensors. The purpose of this research is to learn more about the way humans experience fatigue in a supervisory human-machine environment. The goal of this study is to evaluate machine learning algorithms that assess fatigue detection and to use robots for adapting its interactions. The environment itself consists of two different tasks to analyze Physical fatigue and Mental fatigue in two different task environments that are (i) Jigsaw puzzle-solving task, and (ii) Pick and Place task. Physical fatigue and mental fatigue …
Addressing Energy Efficiency In Rental Units: A Preliminary Cost Assessment Of Minimum Energy Standards And Policy Alternatives For Rochester, Ny, Bryn Stricker
Theses
With the rising concern for climate change and energy consumption, global, national, and local policies attempt to reduce carbon emission and energy usage. Starting in 2010, the city of Rochester established a climate action plan which aims to reduce greenhouse gas emissions by 40% in the year 2030 (City of Rochester, NY, 2017). The city recognizes rental homes are a promising source to mitigate energy consumption and carbon emissions, a type of greenhouse gas. Minimum energy standards for rentals (MESR) are a relatively new type of policy which can help achieve energy and carbon reduction goals. By using an existing …
Taxonomy Of Software Readability Changes, Stephen J. Cook
Taxonomy Of Software Readability Changes, Stephen J. Cook
Theses
Software readability has emerged as an important software quality metric. Numerous pieces of research have highlighted the importance of readability. Developers generally spend a large amount of their time reading and understanding existing code, rather than writing new code. By creating more readable code, engineers can limit the mental load required to understand specific code segments. With this importance established, research has been done into how to improve software readability. This research looked for ways of measuring readability, how to create more readable software, and how to potentially improve readability. While some research has examined the changes developers make, their …
Testing Of Neural Networks, Devan Lad
Testing Of Neural Networks, Devan Lad
Theses
Research in Neural Networks is becoming more popular each year. Re- search has introduced different ways to utilize Neural Networks, but an important aspect is missing: Testing. There are only 16 papers that strictly address Testing Neural Networks with a majority of them focusing on Deep Neural Networks and a small part on Recurrent Neural Networks. Testing Re- current neural networks is just as important as testing Deep Neural Networks as they are used in products like Autonomous Vehicles. So there is a need to ensure that the recurrent neural networks are of high quality, reliable, and have the correct …
Quantum Solutions For Training A Single Layer Binary Neural Network, Sabrina Ly
Quantum Solutions For Training A Single Layer Binary Neural Network, Sabrina Ly
Theses
Quantum computing is a relatively new field starting in the early 1980s when a physicist named Paul Benioff proposed a quantum mechanical model of the Turing machine, introducing quantum computers. Previously, the focus of most quantum computers was in the study of quantum applications instead of broad applications due to the fact that quantum technology is a newer field with many technology constraints, such as limited qubits and noisy environments. However, quantum computers are still capable of using quantum mechanics to solve specific algorithms with an exponential speed-up in comparison to their classical counterparts. One key algorithm is the HHL …
Using Regression Analysis For Predicting Energy Consumption In Dubai Police, Amal Rashid Alqasim
Using Regression Analysis For Predicting Energy Consumption In Dubai Police, Amal Rashid Alqasim
Theses
The aim of this project is to build a machine learning algorithm to forecast electricity and water consumption for the 27 sites in Dubai Police facilities. This aim is to establish a central database with all the data to monitor the energy consumption in a systematic manner and feed the data in a visualized dashboard. The data was collected from the energy conservation department at Dubai Police for five years from 2017 to 2021 comprising of electricity and water consumption details data. Due to the numerous buildings and facilities any irregular behavior in consumption takes time to be identified using …
Detection Of Hateful Comments On Social Media, Essa Alzarouni
Detection Of Hateful Comments On Social Media, Essa Alzarouni
Theses
Social media usage has grown tremendously in the contemporary communication landscape. Along with its numerous benefits, some users abuse the channels by spreading hatred, far from the intended purpose of building connections on a personal level. To date, an empirical method for detecting, quantifying, and categorizing hateful comments on social networks comprehensively and proactively is still lacking. Besides, majority of the cases remain unreported due to social confounders such as fear of victimization and the psychological implications of hateful comments, leading to a situation whereby, the detrimental effect of the situation is underestimated. The ill-defined situation in the growing online …
Identifying Psychological Mental Disorders Through Machine Learning, Mohammad Al Abdooli
Identifying Psychological Mental Disorders Through Machine Learning, Mohammad Al Abdooli
Theses
Psychology is the Study of Human Behavior and the various ways of thinking in it’s both consciousness and unconsciousness mind as this field is still growing to various fields such as Sports, Criminal and even Administrative Psychology through, Furthermore, This Study aims to shape and accommodate both fields of Sciences together, There are very few Scholars and Researches done on Medical Mental Health from a Data Analytics perspective, examining the datasets of the patients ICD-11 or DSM-5 scores and correlating it with the patients well-being, family medical history or any accident the patient have been through, so the current study …