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Articles 781 - 810 of 10591
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A Computational Investigation Into Thermo-Kinetic Parameters Governing The Decomposition Of Bio-Oil Model Compounds, Ali Huseein Aljefri
A Computational Investigation Into Thermo-Kinetic Parameters Governing The Decomposition Of Bio-Oil Model Compounds, Ali Huseein Aljefri
Theses
Among notable products from thermal degradation of biomass are simple oxygen-containing aromatics. These compounds typically appear in high loads in collected bio-oil derived from biomass. As such, it is important to comprehend the decomposition chemistry of this category of compounds. This thesis takes on board a general approach to report thermo-kinetic parameters that govern decomposition of a selected set of bio-oil model compounds in two distinct systems: firstly radical-derived pathways in the gas phase and secondly thermal degradation in their condensed media. The first is attained through accurate density functional calculations while the second is accomplished through the use of …
Biomass Estimation Of Mature Mangrove Trees In The Uae Using Spaceborne Remote Sensing Techniques, Yasmine Ashraf Heikal
Biomass Estimation Of Mature Mangrove Trees In The Uae Using Spaceborne Remote Sensing Techniques, Yasmine Ashraf Heikal
Theses
Mangrove forest ecosystems play an essential role in diminishing the effects of climate change caused by the increase in carbon dioxide in the atmosphere. Estimating mangrove forest aboveground biomass (AGB) and hence aboveground carbon (AGC) can assist in decision-making for conservation, sustainable use, and protection of these forests. The goal of this research project was to map the AGB of mangrove forests along the coasts of the United Arab Emirates (UAE) with the aid of Landsat-8-9 satellite imagery data acquired in September 2023. 12 AGB estimation models were developed based on the combination of in situ measurements and Landsat-8-9 derived …
Exploring The Phenomenon Of Code-Switching In Immersive Esl Kindergarten In The Uae, Abeer Nabeel Albayari
Exploring The Phenomenon Of Code-Switching In Immersive Esl Kindergarten In The Uae, Abeer Nabeel Albayari
Theses
This thesis explores the phenomenon of code-switching among those learning English as second language in an immersive kindergarten setting in the United Arab Emirates (UAE). There is a lack of research on code-switching practices, specifically among kindergarten students in immersive language programs in the UAE. They argue that this gap in research is particularly concerning, given the growing number of young learners who are enrolled in such programs in the UAE.
The main objective of this study is to identify when kindergarten students switch from English to Arabic their L1 during their immersive English language classes, intending to understand the …
Leveraging Machine Learning For Enhanced Lead Quality Prediction: A Case Study Of Vam Consulting, Huthayfa Nawafleh
Leveraging Machine Learning For Enhanced Lead Quality Prediction: A Case Study Of Vam Consulting, Huthayfa Nawafleh
Theses
In today's data-driven business landscape, companies are increasingly leveraging data analytics and machine learning to optimize their lead management processes and enhance customer acquisition strategies. This research focuses on the application of data analytics and the CRISP-DM methodology to improve lead quality prediction and streamline the sales funnel for VAM Consulting, a company specializing in marketing and business technology solutions. VAM Consulting has been developing customer acquisition processes and digital marketing strategies since 2016, amassing a diverse portfolio of over 300 client projects. Despite their extensive experience and utilization of various technologies, the company faces challenges in optimizing lead generation …
Voltage Total Harmonic Distortion-Based Communication-Free Adaptive Protection Strategy For Microgrids, Mohamed Jaffer Ali
Voltage Total Harmonic Distortion-Based Communication-Free Adaptive Protection Strategy For Microgrids, Mohamed Jaffer Ali
Theses
The microgrid protection strategy encounters major obstacles because of the varying fault current capacities that result from the diverse modes of microgrid operations. The challenges are heightened with the incorporation of large-scale systems. Protecting microgrids has become a complex task due to various factors. This includes 1) increased fault current contribution during grid-connected operation, 2) insufficient current contribution during islanded operation, 3) sympathetic tripping, 4) blinding, and 5) loss of mains. These factors can render existing protection devices ineffective in clearing faults. And thus, current alone cannot be only key factor for detecting a fault among various modes of operation. …
Crime Rate Analysis And E-Crime Prevention In Dubai Using Machine Learning., Mohammad Ahmad Hatam
Crime Rate Analysis And E-Crime Prevention In Dubai Using Machine Learning., Mohammad Ahmad Hatam
Theses
Globally increasing criminal activity, such as E Crimes, presents a serious threat to both economic growth and social welfare. Nevertheless, Dubai is a safety haven in the middle of this trend, as seen by the significant decline in major and non-alarming crimes during the first quarter of 2023. This study uses an examination of the large crime dataset (about 34,567 events) from the Dubai Police Department that spans 2019 to 2021. Several main goals are to be achieved by this work by using geospatial methods, predictive modelling, correlation investigations, and exploratory analysis. First of all, it looks for complex trends …
Creating A Unified Brand Identity For United Way Chapters In New York, Sarah Dejoy
Creating A Unified Brand Identity For United Way Chapters In New York, Sarah Dejoy
Theses
Consistent and effective web design plays a role in enhancing the online presence and supporting the mission of nonprofit organizations (NPOs), which utilize online spaces to provide information to their constituents and the general public. This study centers on the web presence of United Way, presenting an analysis of the official websites of chapters in New York State. Visual rhetoric was used as the conceptual framework orienting the analysis, considering websites typically include written and visual texts intended to appeal to various audiences. The Brand Standards & Guidelines provided by United Way Worldwide were utilized to identify various website characteristics. …
Continuous Mobile Authentication Protocol For Iot Based Environment Supporting User Behavioural Profile, Saleem Emad Saleem Abdo
Continuous Mobile Authentication Protocol For Iot Based Environment Supporting User Behavioural Profile, Saleem Emad Saleem Abdo
Theses
As the Internet of Things (IoT) ecosystem continues to spread, many researchers are addressing the need for robust and lightweight authentication mechanisms for both continuous and mobile IoT devices. However, the main issue that many face is the lack of a consensus on the definitions of both continuous and mobile IoT authentication. This thesis aims to investigate the diverse definitions and approaches surrounding continuous and mobile IoT authentication. We delve into the evolving landscape of authentication methods, protocols, and security measures tailored for IoT devices that operate in dynamic and mobile environments. A comprehensive survey navigates through the multifaceted dimensions …
Neural Network Characterization Methods For Noisy Quantum Hardware Results, Daniel Richard Breslawski
Neural Network Characterization Methods For Noisy Quantum Hardware Results, Daniel Richard Breslawski
Theses
As the nascent quantum computing paradigm matures and quantum devices become widely available, discrete "eras" are emerging which characterize evolving quantum computing technologies, much like semiconductor technology node classifications. The current period has been coined the Noisy Intermediate-Scale Quantum (NISQ) era, as devices above 50 qubits in size exist but computations using these devices accumulate error quickly from classical interference sources and state decoherence. NISQ machines may surpass the capabilities of modern classical computers in ideal circumstances, but the accumulation of error from physical noise limits the size and implementability of reliable quantum algorithms. Because of these limitations, strategies are …
New Trigger Board Design For An Inductive Adder Topology Circuit, Htet A. Kyaw
New Trigger Board Design For An Inductive Adder Topology Circuit, Htet A. Kyaw
Theses
After working at Laboratory for Laser Energetics for about 10 months, I was assigned in doing the research for replacing the obsolete parts on the trigger board of the high voltage and high current system. After studying the system, it was noticed that the circuit topology used was part of the pulse power system. Hence, the pulse power system was studied further to understand how it was used and its advantages. The inductive adder topology was studied thoroughly so that the trigger board design would meet the requirements. The components such as MOSFETs and Gate Drivers were studied and compared …
Uvm Verification Of A Dtmf Receiver Core, Clayton Koppi
Uvm Verification Of A Dtmf Receiver Core, Clayton Koppi
Theses
Integrated circuits grow more complex as digital designers implement more features on a project. All modern integrated circuits require some form of testing in order to prove that their functionality matches the design requirements. As the complexity of a design increases, the number of potential bugs increases dramatically. The need for a testbench that is reusable, modular, and organized is apparent for modern integrated circuits. Verification is the process of proving the design matches its requirements, and discovering bugs in simulation. The business motivation behind verification is ensuring the product will work before starting the costly and long fabrication process. …
Benchmarking Of Matrix Multiplication Acceleration Methods, Ashish Tondwalkar
Benchmarking Of Matrix Multiplication Acceleration Methods, Ashish Tondwalkar
Theses
With the advent of artificial intelligence (AI), performance and model runtime feasibility poses a challenge to the advancement of AI technology. Novel methods of accelerating the core mathematical functions of AI applications are being explored. The crux of AI computations that would benefit from hardware acceleration is matrix multiplication. This thesis explores the acceleration of matrix multiplication using systolic arrays and the strassen algorithm, methods known for enhancing computational efficiency through parallel processing. The research focuses on the design, implementation, and comprehensive testing of these architectures to expedite matrix multiplication tasks, crucial for applications in deep learning and signal processing. …
Methodology For Volumetric Estimation Of Condensed Water Vapor Plumes From Remotely Sensed Imagery, Ryan J. Connal
Methodology For Volumetric Estimation Of Condensed Water Vapor Plumes From Remotely Sensed Imagery, Ryan J. Connal
Theses
In recent years, technological developments have advanced the capabilities of computer vision techniques, including those leveraged toward 3D reconstruction with Structure-from-Motion. This process allows for the generation of accurate 3D models from sets of 2D imagery. With accurate feature detectors and matchers, Structure-from-Motion remains a widely used technique. However, the reconstruction of 3D structure is heavily dependent on the spatial characteristics of the object of interest. Fast-moving, featureless, and dynamic objects suffer from this latter issue, where standard or advanced feature detectors cannot derive any information on the object's surface. With the goal of producing three-dimensional geometric reconstructions of condensed …
Evaluating Behavioral Skills Training To Improve Data Collection Procedures In Paraprofessionals, Megan Weber
Evaluating Behavioral Skills Training To Improve Data Collection Procedures In Paraprofessionals, Megan Weber
Theses
When working with individuals with a variety of abilities and disabilities, data collection becomes arguably the most important tool in ensuring student success and growth. To put trust in collected data, both data reliability and treatment integrity must be considered. When one individual is taking all data required for a specific individual, reliability and integrity can be simpler to ensure (Vollmer et al., 2008). However, in many special education classrooms across the country, paraprofessionals are asked to perform many of the same data collection tasks as certified educators; a role which, as in many of the roles they serve within …
Sonic Space: A Music Visualization And Interaction System Using Particles, Yi Sun
Sonic Space: A Music Visualization And Interaction System Using Particles, Yi Sun
Theses
Along with the rapid development of digital music formats and portable technical products, individuals can rely on technology to have access to new music besides traditional methods like recommendations from the social circle. While music apps provide users with a more convenient and efficient way to enjoy music through a music recommendation system, users are also limited by the music recommendation algorithm based on genres, artists, instruments, acoustic features, context, or moods. People who wear headphones often isolate themselves from the external world and others, passively absorbing content recommended by the system. Music, as an art form, serves more than …
Comparison Of Rip And Rcp Conditioning Procedures On Vocalizations In Children With Autism And Minimal Echoic Repertoire, Jacqueline Pecoraro
Comparison Of Rip And Rcp Conditioning Procedures On Vocalizations In Children With Autism And Minimal Echoic Repertoire, Jacqueline Pecoraro
Theses
Pairing procedures have been utilized by researchers and in applied practice for many years to establish neutral stimuli as conditioned reinforcers. Recently, pairing procedures, specifically stimulus-stimulus pairing, have been applied to vocalizations. Vocalizations are an essential element for language development because once vocalizations are brought under echoic control, they can be used to further develop a child’s verbal behavior. Results of the research conducted on stimulus-stimulus pairing had varied results, and the effectiveness of stimulus-stimulus pairing on increasing vocalizations is uncertain. Lepper and Petursdottir (2017) conducted a study that compared traditional stimulus-stimulus pairing (or response-independent pairing (RIP)) to response-contingent pairing …
Say Hello To Yesterday, Tianyi Zhang
Say Hello To Yesterday, Tianyi Zhang
Theses
This project investigates the therapeutic potential of picture books in addressing grief, focusing on a narrative about a woman navigating the aftermath of her husband's death. It integrates traditional artistic techniques with modern digital tools to explore loss's emotional and psychological impacts. The use of dark tones accented with bright colors such as pink, orange, and green symbolizes the transition from sorrow to hope and healing. Key symbols like labyrinths and cameras deepen thematic resonance, with labyrinths depicting the protagonist's confusion and cameras representing fixed memories of the past. This approach highlights the dualities of memory and progress, illustrating the …
Attentional Alchemy: Crafting Meaning In The Fabric Of Experience ---An Argument From Attention For The Content View, Ling 鳕鱼 张 Zhang
Attentional Alchemy: Crafting Meaning In The Fabric Of Experience ---An Argument From Attention For The Content View, Ling 鳕鱼 张 Zhang
Theses
Abstract: In the realm of philosophy of mind, a central inquiry concerns whether perceptual experiences have content. This paper aims to construct an argument, termed Argument from Attention, which asserts that all visual experiences have content in the minimal sense, drawing upon insights from phenomenological features of attentional experience and mechanisms of attention elucidated in The Erotetic Theory of Attention. To achieve this goal, the paper begins by clarifying the essential features of contentful experience in Section 2. Furthermore, the second subsection scrutinizes Siegel's Argument from Appearances, highlighting the susceptibility of her Weak Content View to the …
Atoms And Leaves, Patty Tomanovich
Atoms And Leaves, Patty Tomanovich
Theses
Atoms and Leaves is a photographic project presented as windows into a utopia. The glass images display a potential time and place where the landscape, photography, and transness intertwine and grow from each other. Photography historically harms the landscape- requiring precious metals, releasing pollution into the atmosphere, and creating hazardous water waste. The traditional photographic canon erases the connection between queerness and ecology. Atoms and Leaves rethreads these connections, creating a world where photography collaborates with the landscape and takes on a transgender perspective by reshaping given material. The photographic printing process developed in this project was inspired by the …
Advancements In Scanning Electron Microscopy, Surya Kamal
Advancements In Scanning Electron Microscopy, Surya Kamal
Theses
Scanning electron microscopes (SEM) are poorly characterized imaging instruments. The SEM optics (lens and aperture assembly) is designed to form a focused electron probe that scans the specimen to produce images. Therefore, the imaging efficacy in SEM strongly depends on the quality of the optics. However, there is no way to accurately characterize the optics in an uncorrected SEM (without multipole correctors) due to the lack of an exit wave. This work focuses on improving the imaging capabilities of an uncorrected SEM by understanding its optical performance using wave optical theory, simulation, and experiment. In this dissertation, we have developed …
The Normativity Of Social Role Concepts, Robert Laurent Iii
The Normativity Of Social Role Concepts, Robert Laurent Iii
Theses
This paper argues that social role concepts are both descriptive and normative. A "social role concept" is any concept that describes a person’s station in life from the point of view of society as a whole. Social roles are usually positions into which one is born and which are difficult if not impossible to renounce from within the conceptual system. Social roles are therefore not mere jobs or descriptions. They place certain obligations upon a person that are meant to apply absolutely. This paper first discusses the normativity of rule-governed practices and the rules involved in concept use. The paper …
An Egalitarian Approach To Explanations In Mental Disorders, Eli Driskill
An Egalitarian Approach To Explanations In Mental Disorders, Eli Driskill
Theses
Explanations of mental disorders come from a wide array of disciplines and epistemologies. How we conceive of and order these explanations has great importance for agency. Yet, psychiatry as a discipline has long suffered from the assumption that these explanations are multi-level. That is, some lower-level mechanism (i.e. neurobiology) constrains the information produced at a higher-level behavior. I argue that this approach is unsatisfying, and offer a new perspective: the egalitarian approach to mental disorders. The egalitarian model of mental disorders is non-hierarchical, dynamic, and cross-cultural. The paper begins by highlighting an inherent feature of psychiatry which I coin the …
Predicting Hospitalization Risk Of Schizophrenia Patients In Missouri, Arun Kumar
Predicting Hospitalization Risk Of Schizophrenia Patients In Missouri, Arun Kumar
Theses
Understanding the factors that contribute to the risk of hospitalization among individuals with schizophrenia is crucial for optimizing treatment strategies and improving patient outcomes. In this study, we used recent Medicaid adminis trative claims data in Missouri (from 2016 to 2019) and predicted the risk of hospitalization of patients diagnosed with Schizophrenia (N=143446). We ana lyzed the association between previous hospitalizations and the likelihood of future hospitalizations. We developed machine learning techniques, including logistic re gression and decision tree classifiers, to predict the risk of hospitalization based on demographic factors, clinical variables, and historical hospitalization records. Our findings reveal that …
Quantifying Landscape Change Using Different Spectrometers, Spectral Unmixing, And Uas Imagery, Bianca Cilento
Quantifying Landscape Change Using Different Spectrometers, Spectral Unmixing, And Uas Imagery, Bianca Cilento
Theses
Climate-driven land cover change and biodiversity loss are problems impacting food security, economic growth, human health, and cultural identity of arctic environments, such as Stordalen Mire, Abisko, Sweden (68.35’ N, 18.82’ E). The sensitive nature of these remote areas necessitates large-scale, less-invasive monitoring of environmental change via remote sensing combined with low-impact, cost-effective field validation of remote sensing products. This project assesses the accuracy and utility of two low-cost spectrometers, the Sherwin-Williams® ColorSnap® and the National Aeronautics and Space Administration (NASA) Science and Technology Education for Land/Life Assessment (STELLA-Q), in conjunction with ArcGIS and GoogleEarth Engine programs and aerial imagery …
Driver’S Accident Behavioral Analytics Using Ai, Mohamad Amin Obaid
Driver’S Accident Behavioral Analytics Using Ai, Mohamad Amin Obaid
Theses
This comprehensive dissertation constitutes a significant contribution to the ongoing global discourse on road safety. Through a judicious utilization of advanced data analysis techniques, with a particular emphasis on machine learning applications, this research endeavors to address and bridge crucial gaps in our comprehension of multifaceted aspects related to road safety. Specifically, the study aims to delve into the intricacies of accident severity factors, driver characteristics, vehicle attributes, and the complex dynamics of road conditions. By systematically exploring these dimensions, the research endeavors to unearth more nuanced and precise relationships that influence accident outcomes. Moreover, a particular focus is dedicated …
Addicted To The Beloved? A Comparison Of Craving For And Attention To Beloved And Vape Stimuli, Caitlyn Harriman
Addicted To The Beloved? A Comparison Of Craving For And Attention To Beloved And Vape Stimuli, Caitlyn Harriman
Theses
People who are in love seem to be addicted to their beloved. People who are in love have attentional biases for the beloved and people who are addicted have attentional biases for the substance they are using. This raises the question of how similar craving and attention are for the beloved and an addictive substance. However, there are no studies that directly compared craving and attention to the beloved and addictive stimuli. The aims of the current research were to directly compare subjective emotional experiences, sustained motivated attention, and early automatic attention for the beloved and vape stimuli, in people …
On Learning Your Gender: A Comprehensive View, Audra M. Hazelwood
On Learning Your Gender: A Comprehensive View, Audra M. Hazelwood
Theses
This essay provides a metaphysical and epistemological account of gender. The metaphysics involves a ‘non-reductionist view of gender’, which is to say that gender cannot be reduced to a single factor. On this view gender begins with one’s innate gender inclinations (in the vein of Julia Serano). These inclinations pick out a specific range of gender possibilities from the gender spectrum that apply to a person. At the same time we live in communities and cultures with certain gender norms. This is where epistemology comes into play since our gender inclinations are filtered through gender norms and some people are …
Towards Erasing The Distinction Between The Computational And Syntactic Accounts Of Scientific Theories, Timothy Luft
Towards Erasing The Distinction Between The Computational And Syntactic Accounts Of Scientific Theories, Timothy Luft
Theses
One of the main goals of philosophy of science is to give a proper account of scientific theories and their structure. One way that accounts of the structure of scientific theories can be distinguished is by the mathematical or logical structures that they involve. For instance, syntactic accounts of scientific theories hold that theories are axioms in a logical framework, whereas semantic accounts are more liberal in the range of mathematical and logical structures they take as pertinent to the structure of scientific theories. Paul Thagard (1988) offers a computational account of scientific theories, which holds that theories are complex …
A New Vicarious Technique For Radiometric And Spatial Calibration Of Drone-Based Multispectral And Hyperspectral Imaging Systems, David N. Conran
A New Vicarious Technique For Radiometric And Spatial Calibration Of Drone-Based Multispectral And Hyperspectral Imaging Systems, David N. Conran
Theses
A new technology (convex mirrors) used for radiometric and spatial characterization of remote sensing imaging systems has demonstrated equal, but unique results when compared to Lambertian targets for vicarious calibration. Using convex mirrors to characterize the radiometric and spatial response of hyperspectral and multispectral imaging systems has yet to be thoroughly investigated for drone-based platforms. When imaged, a convex mirror produces a known radiant intensity source that can characterizes the radiometric and spatial performance of an imaging system. The simultaneous assessment supports a unique understanding of the hyperspectral and multispectral instrument’s response for vicarious characterization. Assessing a new technique for …
Comparison Of Constant Prompt Delay And Least-To-Most Prompting To Teach Receptive, Sarah Gindelberger
Comparison Of Constant Prompt Delay And Least-To-Most Prompting To Teach Receptive, Sarah Gindelberger
Theses
Applied behavior analysis (ABA) is used in schools to teach students with autism spectrum disorder. Policies guide the selection and implementation of research-based practices to ensure positive student outcomes. Discrete trial teaching is often used as an instructional teaching method. To maximize learning, different prompting interventions can be used during discrete trial teaching. Constant prompt delay and least-to-most prompting are effective research-based interventions that can be implemented as instructional teaching procedures for students with autism spectrum disorder. Constant prompt delay was compared to least-to-most prompting to determine whether constant prompt delay would lead to more effective and efficient mastery acquisition …