Digital Commons Network^™

Incorporating Sustainability In Facility Layout Planning Algorithms And Assessing Hybridization Techniques On An Egyptian Case Study, Islam Atia

Theses and Dissertations

Due to the growing consequences faced as a result of global warming and climate change; humanity has come together to take an inclusive stance to combat this serious phenomena and work towards a more sustainable future. Large amounts of carbon dioxide emissions are a major contributor to global warming, and a vast proportion of this emission come from industrial and commercial facilities. Hence, if industrial facilities are built with a larger focus on carbon footprint, it will yield a significant reduction in global emissions throughout the lifetime of the facility and will constitute a huge milestone in the journey to …

Comparing The Quality Of Ai-Generated And Instructor Feedback In A University Writing Program, Hana Mohamed Nassar

Theses and Dissertations

Feedback is an undeniably important aspect of the language learning process. It helps students recognize their strengths and weaknesses and identifies ways they can improve. Over the years, feedback has been provided by teachers, peers and Automated Writing Evaluation (AWE) tools. However, in recent years, artificial intelligence applications have proliferated significantly. With abilities to analyze and generate any kind of content, these models are being used to generate scores and feedback on written assignments to help lighten teachers’ load. ChatGPT has been called “the world’s most advanced chatbot” and “a potential chance to improve second language learning and instruction” (Shabara …

Determining The Limitations Of Class F Fly Ash Compared To Class G Cement In Hydrocarbon Wells Application, Youssef Helmy

Theses and Dissertations

Cement is a material commonly used in multiple applications in different industries. Among the industries that uses cement is the oil and gas industry. API (American Petroleum Institute) Class G cement that is the most incorporated form of cement used in the cementation of oil and gas wells to provide several forms of protection and stabilization for the casings. However, Class G cement is contested in terms of efficiency, costs, and environmental awareness against Class F fly ash geopolymers by researchers. This research aims to explore the potential limitations that fly ash geopolymer might have for its use in the …

Flexural Strengthening Of Reinforced Concrete Beams Using Nsm Gfrp: Assessing Key Parameters, Berlant Arab

Theses and Dissertations

The structural integrity and longevity of Reinforced Concrete (RC) beams are critical to modern construction, influencing safety, usability, and maintenance costs over time. As civil engineering endeavors to meet the challenges posed by aging infrastructure and evolving usage demands, rehabilitating and strengthening RC structures have become essential practices globally. This research focuses on a prevalent yet innovative method of enhancing RC beams: the application of Near Surface Mounted (NSM) Glass Fiber Reinforced Polymer (GFRP) bars.

GFRP is increasingly favored in structural engineering due to its superior properties to traditional materials. These include high tensile strength, resistance to corrosion, lightweight nature, …

The Role Of Business Viability Assessments In Microcredit - The Case Of Egypt, Ahmed Fadl

Theses and Dissertations

This paper aims to examine the role of business assessments of microfinance applicants and its correlation with microbusiness success as measured in income generated. The key research question of this study is: How do the results of business viability assessments influence the income generated by these businesses? The research methodology used in this study is a combination of both qualitative and quantitative research. Qualitative research includes in-depth interviews with 10 microfinance institutions (MFIs) in five governorates (Al-Sharqia, Assiut, Beni Suef, Giza, and Minya) across Egypt. The quantitative research includes an interviewer-administered questionnaire of 151 micro-business owners who have been in …

National Efforts In Climate Change Adaptation In Agriculture: Assessing Policies And Practices In Egypt’S Nile Delta, Youssef Raafat

Theses and Dissertations

Climate change significantly threatens global security and environmental stability, impacting various sectors, especially the agricultural sector (IPCC, 2021). Climate change has already diminished Egypt’s agricultural productivity by 15 percent (Nassr et al., 2021). In response, the Egyptian government has intensified its efforts to increase agricultural practices adaptation, such as Egypt's 2050 Climate Strategy, the National Water Resources Plan (NWRP 2017-2037), and the NWFE program (NCCS, 2022; NWRP, 2017; NWFE, 2022). Nevertheless, the national policies and efforts remain underexplored in the literature, and their evaluations are not accessible to the public (Grindle, 2017). This research aims to assess the extent to …

The Effect Of Financial Inclusion On Inflation: Implications From Low And High Financially Developed Economies, Rita Fouda

Theses and Dissertations

This paper studies the effect of financial inclusion on inflation in high and low financially developed countries. The author utilizes country-level annual data of 83 world economies covering the period from 2004 to 2022. The Generalized Method of Moments is utilized to estimate the relationship between six financial inclusion indicators and inflation while combating the endogeneity and heteroskedasticity present in the data. Other macroeconomic variables are added to the model to limit the omitted variables bias. At a second stage, the same relationship is tested using a self-constructed financial inclusion index. The results of the study reveal that when testing …

Identification Of Novel Argonaute Proteins Using A Metagenomic Mining Approach, Lobna Abdallah Ghonaim

Theses and Dissertations

Gene editing is one of the most promising tools in science. It enables precise modifications of an organism's genetic material. Metagenomics is considered a powerful tool that unlocks the broad genetic potential found in uncultured microbial communities. Exploring the genetic diversity of uncultured microbial communities helps identify novel functional proteins with unique properties and make the best use of these diverse microbial ecosystems.

We developed and employed a metagenomic-based approach to mine more than 1000 metagenomes for prokaryotic argonaute proteins (pAgos), a potential gene editing machinery encoded in bacterial and archaeal genomes. Our workflow involved strict quality control, sequence assembly, …

Interfacial Phenomena In Molten Salt Systems And Wetting Transitions In Microcavities, Aaron Essilfie

Theses and Dissertations

Interfacial phenomena are the processes that occur at the interface between two phases of matter: solid-liquid, solid-gas, liquid-liquid, and liquid-gas. Wetting, spreading, adsorption, and capillarity are some features of interfacial phenomena. This research explores two areas of interfacial phenomena: the interfacial tension between a liquid and gas, and wetting transitions in microcavities. Surface tension has been a widely studied topic in surface chemistry. Many techniques have been employed to study the surface tension of liquids in various studies and research areas, but the interfacial tension between a liquid and gas has not been extensively researched. For this reason, part of …

Supporting Egypt's Industrial Decarbonization: The Role Of Dfis In Cbam Alignment, Malak Elsaid

Theses and Dissertations

The European Union’s (EU) Carbon Border Adjustment Mechanism (CBAM) introduces a new linkage between trade and climate policy by requiring importers to report and pay for embedded emissions. For Egypt, characterized by high trade exposure to the EU through the export of carbon-intensive products, CBAM serves as a regulatory catalyst for industrial transformation, posing significant competitiveness risks. Recent assessments indicate that the Middle East and North Africa (MENA) region faces a significant CBAM burden, approximately three times that of other emerging market and developing economies.

Utilizing the Institutional-Capacity Response Model as an analytical tool, this study examines how such external …

The Effect Of Age Of Acquisition On The Development Of Lexical Attainment And Oral Proficiency In English As L2 In Adult Native Arabic Speakers, Mona Ahmed Kamar El-Zaman

Theses and Dissertations

This study investigates the influence of the age of acquisition (AoA) on the development of lexical attainment and oral proficiency in English as a second language (L2) among adult native Arabic speakers, focusing on classroom foreign language learners within the Egyptian context. AoA, a critical variable in second language acquisition (SLA) research, is explored in relation to two key domains: lexical knowledge and oral proficiency. The study examines the role of AoA and AoA related effects, such as the order of bilingualism and the length of exposure to rich language input (LoE) as a confounding factor. Through a mixed-methods approach, …

Adapting Biological Mechanisms Into Machine Learning Structures And Gradient Propagation, Hao Yu

Theses and Dissertations

As neuromorphic computing gains traction, researchers look for learning schemes that are more suitable for brain-like structures. Although many algorithms have been discovered, such as surrogate gradient or Spike Timing Dependent Plasticity, those algorithms are either unsuitable for on-chip training or not biologically aligned. The goal of this thesis is to discover a learning algorithm which is biologically aligned and suitable for on-chip training. Through the discoveries of our two papers, we are able to introduce the concepts of synaptic clefts and neurotransmitters into a common spiking neuron network. We also designed an error propagation method aligning with biology. With …

A Collective History On Arkansas Regional Organ Recovery Agency (Arora) And Their Adaptation To Donation Culture, Tara Jones

Theses and Dissertations

Arkansas Regional Organ Recovery Agency (ARORA) is continually addressing the organ shortage in Arkansas by increasing organ and tissue donation rates in Arkansas. Hospitals, Funeral Homes, and other referral partners collaborated with ARORA in their efforts to increase organ and tissue donation. Interviews from former and current ARORA employees, along with data analysis, highlight how ARORA worked to honor Arkansans decision to be a registered donor while also improving the procurement of organs. The findings reveal how ARORA adapted to donation culture related to public, cooperation with referral partners, among other barriers to create ARORA’s mission of “Restoring Lives” This …

Design And Modelling Of Advanced Power Converter Control For Harmonics Suppression And Energy Management, Jayant Sharma S

Theses and Dissertations

The quality of electrical power plays a crucial role in both industrial and domestic sectors. This issue becomes even more critical in systems that incorporate power converter-based loads, which are commonly integrated at the grid connection point. Motor drives and grid-integrated electric vehicle (EV) charging stations belong to a category of non-linear loads that inherently introduce substantial harmonic distortion into the current drawn from AC mains. This harmonic distortion adversely affects power quality, potentially leading to overheating and malfunctions in sensitive equipment across the grid. Furthermore, the widespread adoption of solar photovoltaic (PV) technology for EV charging stations has surged …

Agricultural Drought Prediction From Multispectral Image Processing Using Deep Learning Models, Gowri L

Theses and Dissertations

Accurate and timely prediction of agricultural droughts is fundamental to the management of ecosystems, preservation of biodiversity, and environmental sustainability. It helps to reduce environmental exploitation, promotes eco-friendly irrigation techniques, and tackles climate change efficiently. Its social implications include food safety and financial stability through continuous rural employment. Drought prediction guarantees social progress and sustainability by ensuring zero hunger/poverty and effective water management. A multi-sensor image pre-processing framework that incorporates data from various satellite platforms like Landsat (30 metres), Sentinel-2 (10 metres, 20 metres, 30 metres), and MODIS (500 metres) is used to monitor and assess agricultural drought effectively.

Analysis …

Generating Real-Time Synthetic Datasets To Improve Aerial Object Detection, Garrett Williams

Theses and Dissertations

The widespread use of unmanned aerial vehicles (UAVs) across civilian and military applications has necessitated the advancement of real-time drone detection and tracking capabilities. Machine Learning (ML) addresses these requirements, however, to train a robust and generalizable model requires large and diverse video datasets. Curating these real-world datasets is often time-consuming and cost-prohibitive. Here, we present DyViR, a real-time customizable rendering application capable of automatically generating highly realistic synthetic, multi-modal video of aerial objects, digital environments, and automatic generation and labeling of bounding boxes. Synthetic data, coupled with real-world training sets, augment the ML training process, leading to increased performance …

Construction Change Order Data As Inputs For A Programmatic Risk Model, Eric C. Klein

Theses and Dissertations

Hurricane Michael struck Tyndall Air Force Base as a Category 5 storm with 160 mph winds, damaging or destroying 90% of its infrastructure (484 buildings). This devastation prompted the Department of Defense to rebuild Tyndall as the “Installation of the Future,” encompassing 44 Military Construction (MILCON) projects and 260 Facility Restoration, Sustainment, and Modernization (FRSM) projects. Since reconstruction began, over 630 Change Request Forms (CRFs) have been closed, adding $67.8 million in costs and 4,880 construction days. The Air Force Civil Engineer Center's Natural Disaster Recovery (NDR) Division developed a programmatic risk model to predict future costs and delays. However, …

Evaluation Of The Adoption Of World Health Organization 10-Group Classification System For Cesarean Section In Egyptian Hospitals, Reham Dewedar

Theses and Dissertations

Egypt has seen a significant rise in Cesarean Section (CS) deliveries over the past decade. While CS is a crucial procedure that can save lives when medically indicated, its misuse poses risks to both mothers and infants, including potential mortality. To address this issue, the WHO introduced the 10-Group Classification System (TGCS) in 2015 to standardize CS monitoring, aiming to prevent overuse or underuse of CS and to enable comparisons across health facilities and countries. This tool was introduced in Egypt through a training session conducted by the World Health Organization (WHO) in 2021.This study examines the effectiveness of this …

Knocking On Gelenbevī’S Door: A First Exploration Of The Epistemological Overcoming Of The Aristotelian Conception Of Metaphysical Modalities In The Thought Of IsmāʿĪl Gelenbevī (D. 1790/1 C.E.), Hisham Fahmy Al-Farrash

Theses and Dissertations

This thesis is a first exploration of the epistemological turn in metaphysical modalities within Arabic philosophy, particularly within its post-classical period (circa 1100 – 1900 C.E.), which is the turn that highlights the Arabic post-classical philosopher’s attempt(s) to overcome the Aristotelian conception of metaphysical modalities. I here focus on some linguistic, philosophical, and theological nuances of this turn, by synoptically comparing the conceptions of metaphysical modalities of Ismāʿīl Gelenbevī (d. 1790/91) and Aristotle (d. circa 322 B.C.) as two points of culmination in their respective tradition’s reflections on modalities, which is the comparison that presents Gelenbevī’s said conception for …

Unlocking Local Economic Potential: Understanding The Role Of Place-Based Industrial Policy In Egypt, Nashwa Shaban

Theses and Dissertations

Industrial Policy has regained prominence in both academic and practical spheres over the years, as the discourse largely shifted from an ideological debate to exploring ways for effective implementation. This renewed interest, coupled with growing concerns over regional inequality and persistent economic distress, has sparked a growing interest in Place-based Industrial Policies. Place-based Industrial Policy is an approach to industrial policy that focuses on both specific industries and locations through various policy Instruments. Similar to industrial policies, the outcomes of place-based policies have been mixed, nevertheless, evidence suggests that they often achieve the intended objectives especially in lagging and declining …

Esg Significance In Relation To Corporate Bankruptcy Prediction, Sama Elkady

Theses and Dissertations

This thesis aims to enhance corporate risk assessment through studying ESG (Environmental, Social, and Governance) significance in modeling bankruptcy. Through using artificial intelligence’ natural language processing (NLP), we develop a proxy for ESG scoring based on companies annual reporting retrieved through EDGAR. We integrate the derived ESG score with traditional financial ratios used to calculate Altman’s Z-score (1968) in predicting bankruptcy. Through S&P’s Compustat, we obtain a sample of 108 healthy & bankrupt firms -spanning 14 years of fiscal observations- and match them through time and industry. We use stepwise GLM regression to estimate bankruptcy probability observing that ESG and …

Sustainability Transformation For Healthcare Facilities Following Net Zero Model, Esraa Elmitainy

Theses and Dissertations

The healthcare industry is a field undergoing huge development. Focused on SDG 3 “Good Health and Well-being”, the healthcare industry, as the main health service provider, was marked by experts as a sector that should lead sustainable development by example. The current work aims to formulate a sustainability rating system for new and existing healthcare facilities to encourage the Egyptian healthcare industry to move towards sustainability according to net zero concepts. Additionally, the transition to net zero waste is investigated though experimental work to test the possibility of utilizing sterilized medical waste in cement-based bricks.

The rating system starts with …

The Right To Truth In Transitional Justice, Nouran Hassan

Theses and Dissertations

Transitional justice is sought by nations suffering from legacies of human rights violations. The field of transitional justice stands on four main pillars: truth seeking, criminal justice, reparations and guarantees of non-recurrence. It promotes utilizing legal and non-legal mechanisms to achieve a transition to democracy and the mechanisms employed must relate to, at least, one of its pillars. Truth is considered substantial for transitions to happen. Revealing the truth is believed to be essential for reconciliation and promoting peace. However, in various experiences the truth did not lead to reconciliation and was widely distorted. The approach of the transitional justice …

Design And Implementation Of Uvm-Based Verification Framework For Deep Learning Accelerators, Randa Ahmed Hussein Aboudeif

Theses and Dissertations

Recent advancements in deep learning (DL) have made hardware accelerators, known as deep learning accelerators (DLAs), a preferred solution for numerous high-performance computing (HPC) applications, including speech recognition, computer vision, and image classification. DLAs are composed of hundreds of parallel processing engines to speed up computations and can gain access to pre-trained networks from the cloud or through on-chip memory to implement the DNN inference process. DLA verification is becoming an important and challenging phase. The verification process is required to handle the complex DLA design. Moreover, the reliability of DLAs is critical for assessment as they are involved in …

Assessing Egypt’S Readiness To Introduce Program And Performance-Based Budgeting, Eman Negm

Theses and Dissertations

Program and performance-based budgeting is one of the recent and most controversial developments in the Egyptian budgetary system. As a results-based budgeting methodology, it can potentially support the government's endeavors to enhance the efficiency and effectiveness of public expenditures and improve the overall levels of transparency and accountability. As per the new Unified Finance Law, Egypt is preparing for the full implementation of the program and performance budgeting reform to start in FY 2027-2028. The main objective of this study is to assess the readiness of Egypt to introduce program and performance-based budgeting based on six main assessment pillars which …

Assessment Of Risk Factor Prediction Using Machine Learning Techniques And Hybrid Approach Based On Soft Sets, Menaga A

Theses and Dissertations

Cardiovascular diseases (CVDs) are the leading cause of mortality worldwide, and India reports a significantly high death rate due to its large population base and the increasing prevalence of non-communicable diseases. National statistics indicate that 20–27% of deaths in India are attributed to CVDs, with the proportion steadily rising over the years. Recognizing the urgency of early detection and risk prevention, the World Health Organization (WHO) introduced “The Global Action Plan for the Prevention and Control of Non-Communicable Diseases (2013–2020),” emphasizing early identification, risk reduction, and timely treatment. In this context, decision-making applications have gained importance across domains especially healthcare …

Behavioral And Neuroactivational Correlates Of Psychosocial Stress-Induced Cocaine Seeking In The Rat, Nicole Hinds

Theses and Dissertations

Abstract Nicole Maria Hinds BEHAVIORAL AND NEUROACTIVATIONAL CORRELATES OF PSYCHOSOCIAL STRESS-INDUCED COCAINE SEEKING IN THE RAT 2024 Molecular Cell Biology & Neuroscience Doctor of Philosophy Cocaine Use Disorder is characterized by a high risk for relapse that can persist over extended periods of abstinence. Psychosocial stressors are well-established to promote drug craving and relapse in humans but have rarely been employed in preclinical relapse models. Consequently, the underlying neural circuitry by which these stressors drive cocaine seeking has not yet been thoroughly explored. This project aimed to identify brain regions recruited during psychosocial stress-induced cocaine seeking in rats, with a …

A Precoding, Companding, And Nonlinearity Reduction Approach To Optimize High-Speed Ado-Ofdm For Visible Light Communication, Swaminathan S

Theses and Dissertations

Using light-emitting diodes (LEDs) for data transfer, visible light communication (VLC) presents a strong substitute for radio frequency communication. Yet, because of the non-linearity of LEDs, conventional Orthogonal Frequency-Division Multiplexing (OFDM) approaches in VLC are limited regarding spectrum efficiency, peak-to-average power ratio (PAPR), and system linearity. Multi-carrier asymmetrically Clipped Optical OFDM (MADO-OFDM) is introduced in this study. For VLC operations based on Optical Orthogonal Frequency Division Multiplexing (O-OFDM), a model-driven Deep Learning (DL) approach has been presented. Utilizing an Auto Encoder (AE) network technology reduced the non-linearity of the LEDs. A proposed improved ADO-OFDM protocol, called MADO-OFDM, adaptively modifies the …

Optimizing The Pass Program: Using Improvement Science To Enhance Holistic Support For First-Year Medical Students, Suzanne Julia Mosko

Theses and Dissertations

Medical students often face unique academic and personal challenges that can hinder their success and well-being, particularly in the first year. This dissertation examines the impact of the Proactive Academic Support System (PASS) Program, a program designed to provide timely, holistic support to first-year medical students. Guided by improvement science and the Universal Design Principles for Student Development Programs and Services framework, the study implemented two change ideas aimed at reducing the time between grade release and PASS meeting completion, thereby enhancing communication and engagement with students. The study focuses on one Plan Do Study Act (PDSA) cycle that assessed …

Daily Pain Experiences And Coping Approaches Among Women In Midlife With Elevated Risk For Cardiovascular Disease, Laura Travers

Theses and Dissertations

Millions of adults experience significant pain each year, costing individuals and our economy millions of dollars in lost productivity and negatively impacting quality of life. Pain is more common among women than men and is a known barrier to women’s physical activity (PA) engagement. Yet, PA helps manage pain and buffer against conditions such as cardiovascular disease (CVD). For women in midlife with CVD risk factors (e.g., hypertension), little is known about daily pain fluctuation and the coping skills employed to manage pain. The current study examined daily pain and pain coping experiences among women ages 40-60 with one or …