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2022

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The Trump Clemencies: Celebrities, Chaos, And Lost Opportunity, Mark Osler Dec 2022

The Trump Clemencies: Celebrities, Chaos, And Lost Opportunity, Mark Osler

William & Mary Bill of Rights Journal

The presidency of Donald Trump may have produced the most chaotic use of the constitutional pardon power in American history. Trump granted clemency to war criminals, to close friends, to celebrities, and to the friends of celebrities, with much of it coming in a mad rush at the end of his single term. Buried beneath this rolling disaster was a brief moment of hope and a lost opportunity: the chance for a restructure of the clemency process in the fall of 2018, enabled by a rare alignment of factors, including Trump’s alienation from the Department of Justice. This Article will …

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Automated Government For Vulnerable Citizens: Intermediating Rights, Sofia Ranchordás, Luisa Scarcella Dec 2022

Automated Government For Vulnerable Citizens: Intermediating Rights, Sofia Ranchordás, Luisa Scarcella

William & Mary Bill of Rights Journal

Filing tax returns or applying for unemployment benefits are some of the most common government transactions. Yet interacting with tax and social security authorities is for many a source of government anxiety. Bureaucracy, regulatory delays, and the complexity of the administrative legal system have been regarded for decades as the key reasons for this problem. Digital government promised a solution in the shape of simplified forms, electronic filing, and better communication with citizens. In the United States, privately developed software systems such as TurboTax and MiDAS emerged as intermediaries between citizens and digital government, selling convenience and efficiency. These systems …

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Understanding The Molecular Mechanism Of Ilv1 Stress Sensitivity In Yeast By Examination Of Differential Patterns Of Gene Expression Between Wild-Type And Ilv1 Knockout Strains Of Saccharomyces Cerevisiae, Emily Schuster Dec 2022

Understanding The Molecular Mechanism Of Ilv1 Stress Sensitivity In Yeast By Examination Of Differential Patterns Of Gene Expression Between Wild-Type And Ilv1 Knockout Strains Of Saccharomyces Cerevisiae, Emily Schuster

Honors Theses

As arguably the most widely used industrial eukaryote, Saccharomyces cerevisiae has become one of the many model organisms used to study molecular genetics. A recent unpublished study at the University of Tennessee - Chattanooga showed that yeast cells that had the ILV1 gene knocked out had reduced survivability under stress conditions. This study then focused on the role of ILV1 in the stress response of cells by measuring the expression levels of 11 candidate genes that are all involved in some critical pathway in the yeast to see how gene expression was influenced as a result of the loss of …

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Examining The Intersections Of Art And Science Through Photomicrography, Lauren Marie Solomon Dec 2022

Examining The Intersections Of Art And Science Through Photomicrography, Lauren Marie Solomon

Honors Theses

This thesis explores the ways in which photomicrography is interdisciplinary, requiring the fields of both art and science. Three types of microscopy were used in this project, brightfield, epifluorescence, and confocality. The overall thesis is both, a body of artistic work and a narrative of my endeavor to understand the science and process behind photomicroscopy.

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Building Structures From Mycelium, Noah M. Brown Dec 2022

Building Structures From Mycelium, Noah M. Brown

Physics

The purpose of this project was to develop a method for creating bricks from mycelium and agricultural waste. The bulk of the research happened in two parts, the first part being a period in which different substrates, strains, and methods were used build the bricks. This research took place in San Luis Obispo and was aided by a group of students in PSC392 under Dr. Pete Schwartz in early 2022. After developing a method for constructing these bricks, the research was moved to St. Thomas, Jamaica, in collaboration with an ecovillage called The Source Farm from July to September. The …

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Voices That Matter: Boston Area Residents Of Color Discuss Climate Change, Lorena M. Estrada-Martínez, Paul Watanabe, Katsyris Rivera-Kientz Dec 2022

Voices That Matter: Boston Area Residents Of Color Discuss Climate Change, Lorena M. Estrada-Martínez, Paul Watanabe, Katsyris Rivera-Kientz

Sustainable Solutions Lab

This report presents findings from a qualitative study conducted by the Sustainable Solutions Lab at the University of Massachusetts Boston, centering on the climate change perspectives of 70 residents of color from the Greater Boston area. Through focus group discussions with Asian American, Black, Latino/a, and Native American participants, the study examines three core areas: the health impacts of climate change, levels of community preparedness, and individual and governmental responses. The findings reveal a shared concern over climate-related health vulnerabilities, structural barriers to climate preparedness, and a general mistrust of governmental leadership stemming from historical and ongoing racial inequities. Participants …

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Technology-Enhanced In Vivo Exposures In Prolonged Exposure For Ptsd: A Pilot Randomized Controlled Trial, Tanya C Saraiya, Amber M Jarnecke, Alex O Rothbaum, Bethany Wangelin, Lisa M Mcteague, Ron Acierno, Delisa G Brown, Emily Bristol, Hayley Feigl, Mclain Reese, Adam R Cobb, Bill Harley, Robert J Adams, Sudie E Back Dec 2022

Technology-Enhanced In Vivo Exposures In Prolonged Exposure For Ptsd: A Pilot Randomized Controlled Trial, Tanya C Saraiya, Amber M Jarnecke, Alex O Rothbaum, Bethany Wangelin, Lisa M Mcteague, Ron Acierno, Delisa G Brown, Emily Bristol, Hayley Feigl, Mclain Reese, Adam R Cobb, Bill Harley, Robert J Adams, Sudie E Back

Faculty, Staff and Student Publications

In vivo exposures (IVEs) are a key component of exposure-based treatments, during which patients approach fear-provoking, yet safe, situations in "real life." This pilot study assessed the use of a wearable technology (Bio Ware) during IVEs to enhance Prolonged Exposure (PE) therapy for PTSD. Bio Ware provides a clinician dashboard with real-time physiological and subjective data for clinicians to use for virtually guided IVEs. Participants (N = 40) were randomized to a Guided group that received standard PE and virtual, clinician-guided IVEs with the Bio Ware device, or a Non-Guided group that received standard PE and used the Bio Ware …

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Optogenetic Heart Pacing And Heart Arrest In Drosophila Melanogaster Using Integrated Ocm Imaging And Light Stimulation System, Yuxuan Wang Dec 2022

Optogenetic Heart Pacing And Heart Arrest In Drosophila Melanogaster Using Integrated Ocm Imaging And Light Stimulation System, Yuxuan Wang

McKelvey School of Engineering Graduate Student Theses & Dissertations

Optogenetics has been widely applied to cardiovascular research using different models. Among them, Drosophila melanogaster (fruit fly) outstands for its similarity of human genes for disease modeling and short life cycle for rapid screening to analyze genetic mechanisms of heart disease. However, most of the current models only allow either activation or inhibition of the heartbeat, which is not sufficient to model complex arrhythmia. Our lab developed a novel Drosophila transgenic model based on a double transgenic line containing two light-sensitive genes, Channelrhodopsin-2 (ChR2) and Halorhodopsin2.0 (NpHR2.0), that enable dual-directional control of the heartbeat rhythm. Real-time optical control of the …

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Modeling And Stability Analysis Of Single Phase Voltage Source Converter Rectifier Based On Harmonic Transfer Function, Dongqiang Jia, Wenjun Liu, Hongchuan Li, Wanfang Xiao, Bin Li, Xiangyang Xia, Yunfeng Li Dec 2022

Modeling And Stability Analysis Of Single Phase Voltage Source Converter Rectifier Based On Harmonic Transfer Function, Dongqiang Jia, Wenjun Liu, Hongchuan Li, Wanfang Xiao, Bin Li, Xiangyang Xia, Yunfeng Li

Journal of Electric Power Science and Technology

Single phase VSC has a wide range of applications, and studying its operating characteristics is of great significance for harmonic generation mechanism, harmonic suppression and stability improvement. Firstly, the second-order generalized integrator is used to construct the synchronous phase-locked loop for the main circuit structure of single-phase VSC rectifier. Secondly, according to the requirements of DC voltage outer loop control and unit power factor operation, the equation of inner current control loop is established using the quasi-proportional-resonant controller. Thirdly, based on the linearization principle of the running trajectory of the time-varying period system, the harmonic transfer function matrix of the …

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Detection Method Of Terminal Number Of Secondary Circuit Based On East, Xingyuan Wang, Chunyu Wang, Zhi Li, Jinquan Zhao Dec 2022

Detection Method Of Terminal Number Of Secondary Circuit Based On East, Xingyuan Wang, Chunyu Wang, Zhi Li, Jinquan Zhao

Journal of Electric Power Science and Technology

The field inspection of the secondary circuit is an important step in the field inspection of the gateway electrical energy metering device. However, the method of finding a secondary circuit terminal to be tested was rather complicated in the past. In order to optimize the process of finding terminals to be tested, this paper proposes a terminal number detection method based on EAST. In this method, the training dataset is first established, and the EAST model is trained. The trained model is used to detect the text in the terminal block image and outputs the size and position information of …

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Line Loss Allocation Method Considering The Dg Influence Level Division And Weight Characteristics, Han Wu, Yangsen Ou, Weitian Cheng, Zhen Zhang Dec 2022

Line Loss Allocation Method Considering The Dg Influence Level Division And Weight Characteristics, Han Wu, Yangsen Ou, Weitian Cheng, Zhen Zhang

Journal of Electric Power Science and Technology

In view of the current situation that the existing line loss allocation methods do not reasonably consider the actual impact of distributed generator (DG) grid connection on the line loss of distribution network, this paper proposes a line loss allocation method which takes into account DG impact levels and weight characteristics. Firstly, a set of impact index system is designed in terms of the planning, operation and management of distribution network so as to comprehensively characterize the impact of DG grid connection on distribution network. On this basis, the line loss allocation strategy is developed to deduce the economic cost …

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A Value Evaluation Method Of Power User Based On Ahp And Bp-Adaboost Algorithms, Jiran Zhu, Di Zhang, Zhidan Zhang, Tao Peng, Jinliang You, Xiaowei Tang, Rui Ma Dec 2022

A Value Evaluation Method Of Power User Based On Ahp And Bp-Adaboost Algorithms, Jiran Zhu, Di Zhang, Zhidan Zhang, Tao Peng, Jinliang You, Xiaowei Tang, Rui Ma

Journal of Electric Power Science and Technology

The traditional value evaluation of power users does not consider the high and low voltage levels generally. In fact, the applicable indicators of high voltage and low voltage users are different, especially, there is no corresponding indicator system for the current low voltage power user value evaluation. Therefore, this paper proposes a low voltage power user value evaluation method based on the AHP and BP Adaboost algorithms. Firstly, a set of low-voltage power user value evaluation index systems are established, and the scoring rules and grading rules are defined. Then the comprehensive scores and grades of low-voltage power user value …

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An Exploration Of Higher Educational Experiences For Mixed Blood American Indian Males In The Santa Clara Valley, Edward Salcedo Dec 2022

An Exploration Of Higher Educational Experiences For Mixed Blood American Indian Males In The Santa Clara Valley, Edward Salcedo

Doctoral Dissertations

This dissertation investigates the availability of higher educational opportunities in the Santa Clara Valley for mixed blood American Indian males in the Santa Clara Valley from lower middle class and middle-class backgrounds born between the early 1980’s and early 1990’s who enrolled in community college courses but did not graduate. The study uses Critical Race Theory as the guiding theoretical framework but focuses on Tribal Critical Race Theory pioneered by Brayboy (2005) to understand the educational and societal experiences of American Indian people from their unique ethnic prism. The dissertation uses Red People’s Oral Tradition as the methodology, drawing from …

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How Developers Engineer Test Cases: An Observational Study, Maurício Aniche, Christoph Treude, Andy Zaidman Dec 2022

How Developers Engineer Test Cases: An Observational Study, Maurício Aniche, Christoph Treude, Andy Zaidman

Research Collection School Of Computing and Information Systems

One of the main challenges that developers face when testing their systems lies in engineering test cases that are good enough to reveal bugs. And while our body of knowledge on software testing and automated test case generation is already quite significant, in practice, developers are still the ones responsible for engineering test cases manually. Therefore, understanding the developers’ thought- and decision-making processes while engineering test cases is a fundamental step in making developers better at testing software. In this paper, we observe 13 developers thinking-aloud while testing different real-world open-source methods, and use these observations to explain how developers …

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Make Your Own Sprites: Aliasing-Aware And Cell-Controllable Pixelization, Zongwei Wu, Liangyu Chai, Nanxuan Zhao, Bailin Deng, Yongtuo Liu, Qiang Wen, Junle Wang, Shengfeng He Dec 2022

Make Your Own Sprites: Aliasing-Aware And Cell-Controllable Pixelization, Zongwei Wu, Liangyu Chai, Nanxuan Zhao, Bailin Deng, Yongtuo Liu, Qiang Wen, Junle Wang, Shengfeng He

Research Collection School Of Computing and Information Systems

Pixel art is a unique art style with the appearance of low resolution images. In this paper, we propose a data-driven pixelization method that can produce sharp and crisp cell effects with controllable cell sizes. Our approach overcomes the limitation of existing learning-based methods in cell size control by introducing a reference pixel art to explicitly regularize the cell structure. In particular, the cell structure features of the reference pixel art are used as an auxiliary input for the pixelization process, and for measuring the style similarity between the generated result and the reference pixel art. Furthermore, we disentangle the …

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Biasfinder: Metamorphic Test Generation To Uncover Bias For Sentiment Analysis Systems, Muhammad Hilmi Asyrofi, Zhou Yang, Imam Nur Bani Yusuf, Hong Jin Kang, Thung Ferdian, David Lo Dec 2022

Biasfinder: Metamorphic Test Generation To Uncover Bias For Sentiment Analysis Systems, Muhammad Hilmi Asyrofi, Zhou Yang, Imam Nur Bani Yusuf, Hong Jin Kang, Thung Ferdian, David Lo

Research Collection School Of Computing and Information Systems

Artificial intelligence systems, such as Sentiment Analysis (SA) systems, typically learn from large amounts of data that may reflect human bias. Consequently, such systems may exhibit unintended demographic bias against specific characteristics (e.g., gender, occupation, country-of-origin, etc.). Such bias manifests in an SA system when it predicts different sentiments for similar texts that differ only in the characteristic of individuals described. To automatically uncover bias in SA systems, this paper presents BiasFinder, an approach that can discover biased predictions in SA systems via metamorphic testing. A key feature of BiasFinder is the automatic curation of suitable templates from any given …

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Deep Just-In-Time Defect Localization, Fangcheng Qiu, Zhipeng Gao, Xin Xia, David Lo, John Grundy, Xinyu Wang Dec 2022

Deep Just-In-Time Defect Localization, Fangcheng Qiu, Zhipeng Gao, Xin Xia, David Lo, John Grundy, Xinyu Wang

Research Collection School Of Computing and Information Systems

During software development and maintenance, defect localization is an essential part of software quality assurance. Even though different techniques have been proposed for defect localization, i.e., information retrieval (IR)-based techniques and spectrum-based techniques, they can only work after the defect has been exposed, which can be too late and costly to adapt to the newly introduced bugs in the daily development. There are also many JIT defect prediction tools that have been proposed to predict the buggy commit. But these tools do not locate the suspicious buggy positions in the buggy commit. To assist developers to detect bugs in time …

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A Recommendation On How To Teach K-Means In Introductory Analytics Courses, Manoj Thulasidas Dec 2022

A Recommendation On How To Teach K-Means In Introductory Analytics Courses, Manoj Thulasidas

Research Collection School Of Computing and Information Systems

We teach K-Means clustering in introductory data analytics courses because it is one of the simplest and most widely used unsupervised machine learning algorithms. However, one drawback of this algorithm is that it does not offer a clear method to determine the appropriate number of clusters; it does not have a built-in mechanism for K selection. What is usually taught as the solution for the K Selection problem is the so-called elbow method, where we look at the incremental changes in some quality metric (usually, the sum of squared errors, SSE), trying to find a sudden change. In addition to …

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A Unified Dialogue User Simulator For Few-Shot Data Augmentation, Dazhen Wan, Zheng Zhang, Qi Zhu, Lizi Liao, Minlie Huang Dec 2022

A Unified Dialogue User Simulator For Few-Shot Data Augmentation, Dazhen Wan, Zheng Zhang, Qi Zhu, Lizi Liao, Minlie Huang

Research Collection School Of Computing and Information Systems

Pre-trained language models have shown superior performance in task-oriented dialogues. However, existing datasets are on limited scales, which cannot support large-scale pre-training. Fortunately, various data augmentation methods have been developed to augment largescale task-oriented dialogue corpora. However, they heavily rely on annotated data in the target domain, which require a tremendous amount of data collection and human labeling work. In this paper, we build a unified dialogue user simulation model by pre-training on several publicly available datasets. The model can then be tuned on a target domain with fewshot data. The experiments on a target dataset across multiple domains show …

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Understanding Sentiment Through Context, Richard M.Crowley, M.H. Franco Wong Dec 2022

Understanding Sentiment Through Context, Richard M.Crowley, M.H. Franco Wong

Research Collection School Of Accountancy

We examine whether empirical results using text-based sentiment of U.S. annual reports depend on the underlying context, within documents, from which sentiment is measured. We construct a clause-level measure of context, showing that sentiment is driven by many different contexts and that positive and negative sentiment are driven by different contexts. We then construct context-level sentiment measures and examine whether sentiment works as expected at the context-level across four prediction problems. Our results demonstrate that document-level sentiment exhibits significant noise in prediction and suggest that document-level aggregation of sentiment leads to missed empirical nuances. The contexts driving sentiment results vary …

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The Effectiveness Of Using Python Programming Approach In Teaching Financial Analytics, Clarence Goh, Yuanto Kusnadi, Gary Pan Dec 2022

The Effectiveness Of Using Python Programming Approach In Teaching Financial Analytics, Clarence Goh, Yuanto Kusnadi, Gary Pan

Research Collection School Of Accountancy

This study presents a learning method and challenges regarding implementing a Python programming approach in teaching financial analytics to graduate accounting students. The advent of Big Data, as well as related applications and technologies, has significantly changed the process and practice of accounting. This has led to essential changes in the construction and teaching content of accounting education. While there have been several studies examining how data analytics is embedded in the accounting curriculum, the majority of the teaching cases in accounting focus on analysis and communication with Excel as the principal tool, with very few covering the necessary steps …

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The Constitutional Law Of Interpretation, Anthony J. Bellia Jr., Bradford R. Clark Dec 2022

The Constitutional Law Of Interpretation, Anthony J. Bellia Jr., Bradford R. Clark

Notre Dame Law Review

The current debate over constitutional interpretation often proceeds on the assumption that the Constitution does not provide rules for its own interpretation. Accordingly, several scholars have attempted to identify applicable rules by consulting external sources that governed analogous legal texts (such as statutes, treaties, contracts, etc.). The distinctive function of the Constitution—often forgotten or overlooked—renders these analogies largely unnecessary. The Constitution was an instrument used by the people of the several States to transfer a fixed set of sovereign rights and powers from one group of sovereigns (the States) to another sovereign (the federal government), while maintaining the “States” as …

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On The Rightful Deprivation Of Rights, Frederick Schauer Dec 2022

On The Rightful Deprivation Of Rights, Frederick Schauer

Notre Dame Law Review

When people are deprived of their property rights so that the state can build a highway, a school, or a hospital, they are typically compensated through what is commonly referred to as “takings” doctrine. But when people are deprived of their free speech rights because of a clear and present danger, or deprived of their equal protection, due process, or free exercise rights because of a “compelling” governmental interest, they typically get nothing. Why this is so, and whether it should be so, is the puzzle that motivates this Article. Drawing on the philosophical literature on conflicts of rights and …

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Debs And The Federal Equity Jurisdiction, Aditya Bamzai, Samuel L. Bray Dec 2022

Debs And The Federal Equity Jurisdiction, Aditya Bamzai, Samuel L. Bray

Notre Dame Law Review

The United States can sue for equitable relief without statutory authorization. The leading case on this question is In re Debs, and how to understand that case is of both historical and contemporary importance. Debs was a monumental opinion that prompted responses in the political platforms of major parties, presidential addresses, and enormous academic commentary. In the early twentieth century, Congress enacted several pieces of labor legislation that reduced Debs’s importance in the specific context of strikes. But in other contexts, the question whether the United States can bring suit in equity remains disputed to this day. The …

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Democracy's Forgotten Possessions: U.S. Territories' Right To Statehood Through Constitutional Liquidation, Joshua Stephen Ebiner Dec 2022

Democracy's Forgotten Possessions: U.S. Territories' Right To Statehood Through Constitutional Liquidation, Joshua Stephen Ebiner

Notre Dame Law Review

This Note argues that the Territories must be granted statehood consistent with the equal footing doctrine. This thesis does not challenge Congress’s power to acquire or govern territory, or its constitutional authority to admit (and place reasonable conditions on the admission of) territory into the Union as states. These matters have long been settled through constitutional practice. Neither does this thesis suggest that acquired territory must be immediately annexed into the Union, since there are valid reasons to delay such a decision. Instead, the claim is that permanently inhabited territories that have longstanding, constitutionally significant relationships with the United States …

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Multi-Criteria Decision Matrix Method In The Risk Analysis Of Biodiesel Production Processes, Kaylee Alles Dec 2022

Multi-Criteria Decision Matrix Method In The Risk Analysis Of Biodiesel Production Processes, Kaylee Alles

Department of Chemical and Biomolecular Engineering: Dissertations, Theses, and Student Research

Renewable fuel technologies aim to mitigate the non-renewability of fossil fuels, challenges with increased energy demand, and the climate impact of fossil fuel emissions. However, before investing in renewable technologies, there need to be decision strategies that assess and identify the best alternatives according to stakeholder priorities. There is also a concern about whether the technologies that are the “most sustainable” effectively meet the acceptable risk requirements of stakeholders. In response to this question, a risk-adapted multi-criteria decision model was developed and compared to a sustainability study that evaluated five renewable diesel technologies, including Green Diesel I, II, and III; …

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Draft - Sieve Study Report December 2022, Appendices, Ramboll Dec 2022

Draft - Sieve Study Report December 2022, Appendices, Ramboll

Silver Bow Creek/Butte Area Superfund Site

No abstract provided.

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Prediction Of Meltpool Depth In Laser Powder Bed Fusion Using In-Process Sensor Data, Part-Level Thermal Simulations, And Machine Learning, Grant King Dec 2022

Prediction Of Meltpool Depth In Laser Powder Bed Fusion Using In-Process Sensor Data, Part-Level Thermal Simulations, And Machine Learning, Grant King

Department of Mechanical and Materials Engineering: Dissertations, Theses, and Student Research

The goal of this thesis is the prevention of flaw formation in laser powder bed fusion additive manufacturing process. As a step towards this goal, the objective of this work is to predict meltpool depth as a function of in-process sensor data, part-level thermal simulations, and machine learning. As motivated in NASA's Marshall Space Flight Center specification 3716, prediction of meltpool depth is important because: (1) it can serve as a surrogate to estimate process status without the need for expensive post-process characterization, and (2) the meltpool depth provides an avenue for rapid qualification of microstructure evolution. To achieve the …

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Sequence-Based Bioinformatics Approaches To Predict Virus–Host Relationships In Archaea And Eukaryotes, Yingshan Li Dec 2022

Sequence-Based Bioinformatics Approaches To Predict Virus–Host Relationships In Archaea And Eukaryotes, Yingshan Li

School of Computing: Dissertations, Theses, and Student Research

Viral metagenomics is independent of lab culturing and capable of investigating viromes of virtually any given environmental niches. While numerous sequences of viral genomes have been assembled from metagenomic studies over the past years, the natural hosts for the majority of these viral contigs have not been determined. Different computational approaches have been developed to predict hosts of bacteria phages. Nevertheless, little progress has been made in the virus-host prediction, especially for viruses that infect eukaryotes and archaea. In this study, by analyzing all documented viruses with known eukaryotic and archaeal hosts, we assessed the predictive power of four computational …

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Identifying How Summer Camp Experiences Affect Children’S Environmental Literacy, Quinn Kimbell Dec 2022

Identifying How Summer Camp Experiences Affect Children’S Environmental Literacy, Quinn Kimbell

Department of Environmental Studies: Undergraduate Student Theses

Ensuring that children are prepared for environmental issues in the future can be aided by building the skill of environmental literacy. A key factor in building this skill is having natural experiences and creating one’s connection and perception of the environment. This paper aims to identify if summer camps increase children’s perception of the environment. This was completed by testing children with an environmental perception survey (Children’s Environmental Perception Scale) before and after attending a summer camp and assessing environmental pollution knowledge through drawing (modified Draw-An-Environment Test). The rural Nebraska summer camp subjected the children to many outdoor experiences, including …

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