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Full-Text Articles in Engineering

The Rise Of Terrorism In Africa And What It Means For U.S. Policymakers, Bridget Mary Hughes Dec 2022

The Rise Of Terrorism In Africa And What It Means For U.S. Policymakers, Bridget Mary Hughes

Master's Theses

This thesis utilizes three case studies to measure the rise of terrorism in Africa. This qualitative data leads the reader to one ultimate question: what does the rise in terrorism in Africa mean for the United States (U.S.) and U.S. policymakers, National Security academia, students in National Security, if anything at all? The answer is: if civilian and military compounds are being targeted by these violent extremists, as these three case studies demonstrate, it is my recommendation that U.S. policymakers cease sending troops to the African theater and, instead, allocate funding to the citizens and nonprofits of the countries whom …

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Nigeria’S Budding Digital Economy: Coping With Disruptive Technology, Olugbenga Agboola Dec 2022

Nigeria’S Budding Digital Economy: Coping With Disruptive Technology, Olugbenga Agboola

Economic and Financial Review

For a thriving and inclusive digital economy, African countries such as Nigeria need to build the critical foundations of the digital economy (World Bank Group, 2019). These foundations are interdependent and require public and private sector solutions.

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Analysis For An Efficient Operation Of Solar Power Plants In India Using Different Variables/Parameters, Sonal Bansi Shinde Dec 2022

Analysis For An Efficient Operation Of Solar Power Plants In India Using Different Variables/Parameters, Sonal Bansi Shinde

Electronic Theses, Projects, and Dissertations

Vast renewable energy facilities rely heavily on accurate predictions of future solar power output.  This study investigated the various factors causing poor, inefficient operation of Solar Plants and different methods to identify underperforming equipment. The main questions are: Q1: How can we predict electricity generation over the next several days so that the plant can run at peak efficiency? Q2: How can we figure out the exact maintenance needs of any power plant?  Q3: How do we identify faulty equipment to improve its efficiency to improve overall performance? and Q4: What are the different factors that are causing an inefficient …

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Factors Affecting The Adoption Of Information And Communication Technologies In Africa: Literature Review, Edison Wazoel Lubua Aug 2022

Factors Affecting The Adoption Of Information And Communication Technologies In Africa: Literature Review, Edison Wazoel Lubua

African Conference on Information Systems and Technology

This paper synthesised the literature on the adoption of Information and Communication Technology within Africa. The purpose was to determine factors (reported by the literature) determining technology adoption and use, in Africa. The paper used the systematic literature review. The study analysed the factors descriptively. Based on the analysis, the following are the main five factors reported to affect the adoption and use of Information Technology in Africa: Lack of ICT knowledge, unreliable infrastructure, high cost of adoption, the perceived usefulness of ICT, and the perceived ease of use. The government and technology implementing organisation has the key role to …

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Pilot Development: An Empirical Mixed-Method Analysis, Jonathan Slottje, Jason Anderson, John M. Dickens, Adam D. Reiman Jun 2022

Pilot Development: An Empirical Mixed-Method Analysis, Jonathan Slottje, Jason Anderson, John M. Dickens, Adam D. Reiman

Faculty Publications

Purpose — Pilot upgrade training is critical to aircraft and passenger safety. This study aims to identify variances in the US Air Force C-130J pilot upgrade training based on geographic location and provide a model to enhance policy that will impact future pilot training efforts that lower cost and increase operator quality and proficiency.
Design/methodology/approach — This research employed a mixed-method approach. First, the authors collected data and analyzed 90 C-130J pilots' aviation records and then contextualized this analysis with interviews of experts. Finally, the authors present a modified version of Six Sigma's define–measure–analyze–improve–control (DMAIC) that identifies and reduces the …

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In Vitro Regeneration Of Avocado (Persea Americana) West Indian Rootstock Cv.Lula Via Tissue Culture, Nasser Sholi, Hiba Qasrawi Jun 2022

In Vitro Regeneration Of Avocado (Persea Americana) West Indian Rootstock Cv.Lula Via Tissue Culture, Nasser Sholi, Hiba Qasrawi

Palestine Technical University Research Journal

Avocado (Persea AmericanaMill)isa subtropical fruitand ishighly recommended for itsnutritional value. Avocado is knownfor its sensitivityto biotic and a biotic stress.Oneway toovercome this problem is to grafton tolerance rootstocks thatare mainly obtained via seeds thataresubjected to genetic variation.Two different types of explants: axillary bud and shot tip meristemwereused in this study. Axillary buds gave the best results intermsof the maximum number of shoots when compared totheapical meristem in all treatments,regardless of the mediatype. The highest shoot induction in Woody Plant Medium(WP)was better than Murashigeand Skooge(MS) mediumregardless of the explant type. Explant responded better in BAP-containing medium than TDZ and KN. The …

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The Impact Of Working Capitalmanagementon Firm Profitability Of Non-Financial Companies Listed On Palestine Security Exchange, Nafieh Assaf Jun 2022

The Impact Of Working Capitalmanagementon Firm Profitability Of Non-Financial Companies Listed On Palestine Security Exchange, Nafieh Assaf

Palestine Technical University Research Journal

This study aims to empirically examine the relationship between Working Capital management and profitability of non-financial listed firms onthe Palestine Security Exchange (PSE). Working capital management focuses on managing the company's short-term assets and liabilities. Motivated by the resource-based view theory, this study developed a conceptual including four variables (Cash Conversion Cycle, Accounts receivable period, accounts payable periodand Inventory holding period). Based on quantitative data (secondary data), the data was collected from 24 non-financial companies listed on PSE during the period 2015-2020, a total of 144 observations. The results show that the cash conversion cycle affects profitability positively. However, the …

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تأثير أبعاد جودة النظام على الثقة في تبني التجارة الالكترونية من خلال الهاتف المحمول: وجهة نظر العميل الفلسطيني, Fadi Ahmad Herzallah Dr. Jun 2022

تأثير أبعاد جودة النظام على الثقة في تبني التجارة الالكترونية من خلال الهاتف المحمول: وجهة نظر العميل الفلسطيني, Fadi Ahmad Herzallah Dr.

Palestine Technical University Research Journal

Several pieces of evidence evince that system quality is closely and importantly related to the use of the system in previous empirical work and studies chiefly in the mobile commerce (M-Commerce) systems. At present, in light of the marketing needs related to services and products, M-Commerce is regarded as the major method and channel to use in this area. Yet, it is contended that as system quality’s significance is unquestionable, it is a new area that still needs much exploration. Against this, this study aims at examining the system quality dimensions’ impact on customer trust in M-Commerce by adapting the …

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تأثير استخدام أنواع مختلفة من الأسمدة على نمو ونوعية الخس (Lactuca Sativa L.), Basel Natsheh, Nawaf Abukhalaf Jun 2022

تأثير استخدام أنواع مختلفة من الأسمدة على نمو ونوعية الخس (Lactuca Sativa L.), Basel Natsheh, Nawaf Abukhalaf

Palestine Technical University Research Journal

The experiment was conducted during the period from March to the end of April 2019 to observe the effect of different fertilizer regimes on the growth, quality and yield of lettuce under field conditions. The experiment was consisting of four treatments as well as a control without fertilizer T1, compost T2, compost tea T3 and chemical fertilizer T4, in each treatment 50 replicates were planted. The measurements included wet and dry weight for shoot and root, plant length, and chlorophyll percentage. The study revealed that lettuce's best growth values were obtained with the use of eco-friendly organic fertilizer accompanied by …

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Dialysis Patient Education On The Prevention Of Kidney Disease Prior To Patients Receiving Dialysis: A Retrospective Descriptive Study, Jamie D. Jones May 2022

Dialysis Patient Education On The Prevention Of Kidney Disease Prior To Patients Receiving Dialysis: A Retrospective Descriptive Study, Jamie D. Jones

ATU Theses and Dissertations 2021 - Present

Fifty-two adult patients at an outpatient dialysis center in central Arkansas were surveyed regarding the education that was provided by medical professionals related to kidney disease and dialysis during treatment of hypertension and diabetes. The twenty-question survey inquired about demographic information, medical history, and the timing and perceived comprehension of education received. The researcher discovered that the majority of patients did not receive education that identified hypertension and diabetes as contributing factors of kidney disease until after diagnosis of kidney disease. The vast majority of participants reported that education regarding the life implications of dialysis, including fluid and dietary restrictions, …

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Factors Affecting Hotel Recommendation: Before The Covid-19 Pandemic And After The Reopening, Boran Kim May 2022

Factors Affecting Hotel Recommendation: Before The Covid-19 Pandemic And After The Reopening, Boran Kim

UNLV Theses, Dissertations, Professional Papers, and Capstones

During the COVID-19 pandemic, numerous people lost their lives, and a lot of industries were affected. The hospitality industry was especially affected due to social distancing, travel restrictions, and safety issues. During that time, not only did customers' expectations change but their recommendation of hotels to friends and colleagues also changed. The current study used five factors (i.e., cleanliness, location, room, service, and value) to discover which factors were affecting hotel recommendation before the COVID-19 pandemic and after the reopening. This study used secondary data (online surveys) from one of the well-known integrated resorts located in the western United States. …

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Frequency Of Genetic Variants At The Mc1r Locus In A Student Population, Emmalea K. Dowdy, Grace C. Stubblefield, David K. Peyton Apr 2022

Frequency Of Genetic Variants At The Mc1r Locus In A Student Population, Emmalea K. Dowdy, Grace C. Stubblefield, David K. Peyton

2022 Celebration of Student Scholarship - Poster Presentations

The Melanocortin-1 Receptor gene (MC1R) encodes a protein that is associated with pigmentation in vertebrate animals. An extraordinary number of variations in this gene have arisen over time due to the importance of pigmentation in camouflage, photosensitivity, vitamin D production, and other evolutionary factors. Variations in the MC1R gene sequence became important to survival as humans migrated out of Africa and into cooler climates with less sun exposure, where lighter skin pigmentation (and therefore more vitamin D production) was key to survival. These genetic variations (alleles) continue to exist in modern humans. Recent research into the MC1R gene variations shows …

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A Meta-Analysis Of Quantitative Collecting Techniques For Spiders, Eliana Eldridge, Joshua Hicks, Sean O'Keefe Apr 2022

A Meta-Analysis Of Quantitative Collecting Techniques For Spiders, Eliana Eldridge, Joshua Hicks, Sean O'Keefe

2022 Celebration of Student Scholarship - Poster Presentations

Quantitative sampling of organisms is often used to provide information in ecological studies, monitor populations, and aid in biodiversity projects. Many studies involve the quantitative sampling of spiders. In this meta-analysis study, 207 peer-reviewed journal articles formed the basis of an initial data set for a quantitative analysis of spider collection techniques. Data collected included country of study, mode of study, trapping techniques used, spider diversity, and number of specimens collected. Our meta-analysis gathered research articles that included 33 different countries of study. Trapping techniques greatly vary depending on the habitat in which spiders dwell. These were divided into aerial, …

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تقدير نظام التدفق البيئي لتحديد الحد الأدنى من التدفق للحد من التلوث: وادي زومر - فلسطين كدراسة حالة, Saed Khayat Mar 2022

تقدير نظام التدفق البيئي لتحديد الحد الأدنى من التدفق للحد من التلوث: وادي زومر - فلسطين كدراسة حالة, Saed Khayat

Palestine Technical University Research Journal

Possible factors that play a role in restoring a flow regime that supports a healthy environment were identified for Wadi Zomar, Palestine. The hydrograph shows that threshold discharges for bed drying are less than 0.14 m3/s, bar formation is less than 0.4 ms/s and floodplain inundation events are over 3 m3/s. The HEC-RAS model suggests a continuous discharge throughout the year that maintains the base flow in the range of 0.5 m3/s. The model suggests that the restoration process is controlled by two main factors: role of sufficient flow and flood inundation frequency.

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Decolonising Mathematics: How And Why It Makes Science Better (And Enables Students To Solve Harder Problems), C. K. Raju Mar 2022

Decolonising Mathematics: How And Why It Makes Science Better (And Enables Students To Solve Harder Problems), C. K. Raju

Palestine Technical University Research Journal

Mathematics is not universal. Traditional normal mathematics accepted both empirical proofs and reasoning, as does science, but formal mathematics prohibits the empirical. Prohibiting the empirical is obviously disadvantageous for applications of mathematics to science, but colonial education anyway replaced normal by formal math, declaring the latter to be superior without any critical examination, and globalised it.

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Ampelographic Characterization Of White Grapevine Cul-Tivars (Vitis Vinifera L.) Grown In Palestine, رزق اسليميه Mar 2022

Ampelographic Characterization Of White Grapevine Cul-Tivars (Vitis Vinifera L.) Grown In Palestine, رزق اسليميه

Palestine Technical University Research Journal

In Palestine, grape culture consists of ecotypes and cultivars (also called local varieties), for which a large number of homonymous and synonymous designations exist as well as misnaming of cultivars. The present study is the first report using detailed ampelographic characterizations (39 informative traits) to assess genetic diversity and detect similarities among sixteen accessions collected from putative diverse grape genotypes In general, 30 descriptors presented highly and satisfactory divergent genotypes, whereas the remaining traits showed no or very little ampelographic variation. Based on the similarity matrix and the resulting dendrogram of these ampelographic data, distinguishable genotypes as well as some …

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Design And Construction Of A Biogas Burner, David O. Obada Mar 2022

Design And Construction Of A Biogas Burner, David O. Obada

Palestine Technical University Research Journal

This paper details the design and fabrication of a burner system, operating on biogas, for use in remote or rural regions of developing countries such as Nigeria. A desirable use for such a system in these areas is domestic cooking, and the burner has been designed with this need in mind, focusing on characteristics such as simplicity, cost effectiveness, efficiency and safety. Mild steel, brass and galvanized pipe sourced locally were selected for the construction. An empirical version of Bernoulli’s theorem was used to derive the flow rate of gas. The different components of the burner design were shown. Also …

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Challenges Of The Industrial Revolution Era 1.0 To 5.0 : University Digital Library In Indoensia, Merlin Apriliyanti, Ilham M Mar 2022

Challenges Of The Industrial Revolution Era 1.0 To 5.0 : University Digital Library In Indoensia, Merlin Apriliyanti, Ilham M

Library Philosophy and Practice (e-journal)

This study explains the development of the world of libraries to establish a very close relationship with the world of information technology. For this reason, facilities and infrastructure are needed to facilitate data and information retrieval quickly and accurately. Facing the challenges of the Industrial Revolution 5.0 era by utilizing information technology, libraries must also adapt to the times. Because the library has an important role, among others, as a source of information and the development of knowledge. Used libraries are still conventional to be converted into digital libraries. In essence, this development represents the desire of library users for …

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Laptop Recycling Case Study: Estimating The Contained Value And Value Recovery Process Feasibility Of End-Of-Life Consumer Electronics, Zebulon Hart Jan 2022

Laptop Recycling Case Study: Estimating The Contained Value And Value Recovery Process Feasibility Of End-Of-Life Consumer Electronics, Zebulon Hart

Theses and Dissertations--Mining Engineering

Work has been done to establish, through the development and use of novel assay techniques and analysis metrics, the contained value of a sampling of laptop computers (as an analog for myriad e-waste sources). This work has conceptualized e-waste as an alternative to geologic-origin complex metallic ores and has likewise evaluated the feasibility of value recovery from e-waste sources in a similar manner to an ore. The application of conventional and novel mineral separation techniques to e-waste recycling processes has been evaluated and positive results are demonstrated. Further, this work has demonstrated the ability to identify the presence of base …

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Examining Factors Influencing Intention To Use M-Health Applications For Promoting Healthier Life Among Smartphone Users In Tanzania, Herman Mandari, Mahija Yahaya Jan 2022

Examining Factors Influencing Intention To Use M-Health Applications For Promoting Healthier Life Among Smartphone Users In Tanzania, Herman Mandari, Mahija Yahaya

Journal of International Technology and Information Management

Deaths related with Non-Communicable Diseases (NCDs) have recently increases, similarly, development of mobile technologies have paved a way in which Smartphone users can use m-health applications to address high level of sedentary behaviours that relates to negative health consequences. Therefore, this study was conducted to examine factors which may influence generation Y who are Smartphone users to adopt m-health applications in controlling NCDs in Tanzania. TAM theory was extended with awareness, trust and perceived cost to develop a research conceptual model of this study. Google form was used to developed online questionnaire which was distributed through social media platforms to …

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2021 - The Second Annual Fall Symposium Of Student Scholars Dec 2021

2021 - The Second Annual Fall Symposium Of Student Scholars

Symposium of Student Scholars Program Books

The full program book from the Fall 2021 Symposium of Student Scholars, held on November 18, 2021. Includes abstracts from the presentations and posters.

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Stakeholder Involvement In Upscaling Of Soil Fertility Research Output In Tharaka-Nithi County, Kenya, Serah W. Kimaru-Muchai Dec 2021

Stakeholder Involvement In Upscaling Of Soil Fertility Research Output In Tharaka-Nithi County, Kenya, Serah W. Kimaru-Muchai

Journal of Global Awareness

Food insecurity in Sub-Saharan Africa has prompted a lot of research in the development of soil fertility technologies; however, few of the recommendations from soil fertility management research have been put into use by the target end-users. The objective of the study was to investigate information exchange pathways used by researchers in upscaling of soil fertility in Maara and Mbeere South Sub-counties in Kenya. Structured questionnaires were used to collect information from 22 researchers and 240 farmers. Data was analyzed using descriptive statistics like frequency, mean, and percentages, while Chi-square, Kendal's correlation coefficient was used to test the magnitude of …

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Undersea Cables: The Ultimate Geopolitical Chokepoint, Bert Chapman Dec 2021

Undersea Cables: The Ultimate Geopolitical Chokepoint, Bert Chapman

FORCES Initiative: Strategy, Security, and Social Systems

This work provides historical and contemporary overviews of this critical geopolitical problem, describes the policy actors addressing this in the U.S. and selected other countries, and provides maps and information on many undersea cable work routes. These cables are chokepoints with one dictionary defining chokepoints as “a strategic narrow route providing passage through or to another region."

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Comprehensive Report On Extraterrestrial Resource Extraction, Robinson Raphael Dec 2021

Comprehensive Report On Extraterrestrial Resource Extraction, Robinson Raphael

Student Works

The prospect of asteroid mining provides a plethora of riches that include metals and water. As the number of discovered asteroids continues to grow, opportunities arise to commercialize these resources within Near-Earth Asteroids (NEAs). With urgent applications on Earth and in space, NEAs allow for a surge in sales. Planning forward, Astroider Aerospace Systems follows a mission split into four phases. Phase 1 develops a series of spacecraft using existing technologies, titled as Near-Earth Asteroid Miners and Near-Earth Asteroid Surveyors. Phase 2 first launches the surveyors to candidate NEAs, prospecting them for ores. To identify potential celestial bodies for this …

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Social Media Influencers (Smis) In Context: A Literature Review, Charles Alves De Castro, Isobel O'Reilly Dr, Aiden Carthy Dec 2021

Social Media Influencers (Smis) In Context: A Literature Review, Charles Alves De Castro, Isobel O'Reilly Dr, Aiden Carthy

Articles

This review focused on three main areas, "Social Media Influencers (SMIs) in Context, The Impact of SMIs on Adolescents, and Consumer Behaviour in a Digital Era – Generation Z in Perspective". This article aims to further the overall understanding of SMIs and outlines the impact of SMIs on adolescents‘ lives. Thus, the main objective of this literature review is to raise awareness within the marketing field about the influence of social media influencers on adolescents and how brands promote their products and content through social media influencers. The review comprised a regular search using electronic journal databases and secondary data …

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Extensive Descriptive Literature Review Revealing The Impact Of Banking Secrecy On Money Laundering: Prominence On The Lebanese Banking Sector, Nour Mohamad Fayad, Sara Karam Nassredine Nov 2021

Extensive Descriptive Literature Review Revealing The Impact Of Banking Secrecy On Money Laundering: Prominence On The Lebanese Banking Sector, Nour Mohamad Fayad, Sara Karam Nassredine

BAU Journal - Creative Sustainable Development

Worldwide financial institutions face complexity in balancing between business ethical standards on one hand, and the act of competitiveness on the other hand. Thus, while selecting their customers they seek customers that lead them to the optimum position of competitiveness in the market, taking into consideration the act of financial investigation to avoid money launderer customers. Money launderer customers seek to deal with financial institutions to proceed with operating their financial crimes. Therefore, this paper spots the light on “money laundering” alongside with the impact of banking secrecy on money laundering with prominence on the Lebanese banking sector. Thus, in …

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Optimizing Vaccine Supply Chains With Drones In Less-Developed Regions: Multimodal Vaccine Distribution In Vanuatu, Deng Pan Nov 2021

Optimizing Vaccine Supply Chains With Drones In Less-Developed Regions: Multimodal Vaccine Distribution In Vanuatu, Deng Pan

Dissertations

In recent years, many less-developed countries (LDCs) have been exploring new opportunities provided by drones, such as the capability to deliver items with minimal infrastructure, fast speed, and relatively low cost, especially for high value-added products such as lifesaving medical products and vaccines. This dissertation optimizes the delivery network and operations for routine childhood vaccines in LDCs. It analyzes two important problems using mathematical programming, with an application in the South Pacific nation of Vanuatu. The first problem is to optimize the nation-wide multi-modal vaccine supply chain with drones to deliver vaccines from the national depot to all health zones …

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The Maritime Domain Awareness Center– A Human-Centered Design Approach, Gary Gomez Nov 2021

The Maritime Domain Awareness Center– A Human-Centered Design Approach, Gary Gomez

Political Science & Geography Faculty Publications

This paper contends that Maritime Domain Awareness Center (MDAC) design should be a holistic approach integrating established knowledge about human factors, decision making, cognitive tasks, complexity science, and human information interaction. The design effort should not be primarily a technology effort that focuses on computer screens, information feeds, display technologies, or user interfaces. The existence of a room with access to vast amounts of information and wall-to-wall video screens of ships, aircraft, weather data, and other regional information does not necessarily correlate to possessing situation awareness. Fundamental principles of human-centered information design should guide MDAC design and technology selection, and …

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Sanitation Marketing In Uganda: The Impact Of Gender On Participation And Outcomes, Elizabeth Vicario Oct 2021

Sanitation Marketing In Uganda: The Impact Of Gender On Participation And Outcomes, Elizabeth Vicario

USF Tampa Graduate Theses and Dissertations

Uganda aims to reach universal access to basic sanitation under Sustainable Development Goal #6, but achieving this target by 2030 would require doubling the annual rate of progress. Women are disproportionately affected by poor sanitation due to their health needs and risk of facing violence, but they have historically been excluded from sanitation planning. Low household demand and poor service delivery have stalled progress in Uganda. Market-based sanitation (MBS) is a novel method of developing a sanitation market through stimulating demand and supporting a competitive atmosphere for product and service providers. This research studies the sanitation marketing activities implemented by …

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The Impact Of Gemba Walks On Preventative Maintenance Productivity, Jake Donald Taylor Oct 2021

The Impact Of Gemba Walks On Preventative Maintenance Productivity, Jake Donald Taylor

Masters Theses & Specialist Projects

Gemba Walks are a tool to get management involvement in areas where the work is taking place. Gemba Walks allow individuals involved first-hand to voice and reduce waste within the process and general operations. This research measured the benefits and improvements Gemba Walks had on the availability of equipment. For example, reducing the number of events that equipment is down for maintenance and its duration to repair these events, therefore improved availability. Maintenance is a critical aspect of keeping a company running, and making improvements found during this research significantly impacted the company by creating lean improvements. The improvements focused …

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