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Articles 661 - 690 of 39140
Full-Text Articles in Entire DC Network
Development Of Rutting Prediction Model For Paving Mixes Using Creep Test., Mohamed Abdel-Motaleh
Development Of Rutting Prediction Model For Paving Mixes Using Creep Test., Mohamed Abdel-Motaleh
Mansoura Engineering Journal
Rutting phenomena in asphalt pavement is a complicated problem: because of the overlapping of many factors causing it. So, many methods have been proposed to assess rutting resistance of paving mixes. Among those proposed methods, the static creep test represents the most promising one for this purpose in Egypt. The test is typically conducted at 40°C for at least one hour. Hanging up the test for a long period at elevated temperature may be difficult for routine laboratory mix design in Egypt. So, the current study is primarily concerned with simplifying a technique that can be used in mix design …
Experimental Investigation Of Forced Convection Heat Transfer From Outer Surface Of Annular Tube With Rotating Inner Tube., Y. Abdel-Ghaffar, Ahmed Ahmed Sultan
Experimental Investigation Of Forced Convection Heat Transfer From Outer Surface Of Annular Tube With Rotating Inner Tube., Y. Abdel-Ghaffar, Ahmed Ahmed Sultan
Mansoura Engineering Journal
The paper presents an experimental study of laminar forced convection heat transfer in different rotational speeds varies from 100 to 628 r.p.m to give rotational Reynolds number in the range 2000 ≤ Reω≤ 29400. The inner tube of the annulus is varied so as to give radii ratios of 0.3879, 0.614 and 0.8842. Water is flowed axially through the annular space with velocities ranged from 0.00414 to 0.27 m/s to give axial Reynolds number in the range 80 ≤ Reh ≤ 2700 to cover the laminar flow regime. The outer tube of the annulus is cooled under uniform temperature via …
Fluidized Bed Combustion Of An Agriculture Waste Case Study: Combustion Of Rice Straw., Farouk Mohamed El-Sayed, Salah Hassan El-Emam, G. Zaatar
Fluidized Bed Combustion Of An Agriculture Waste Case Study: Combustion Of Rice Straw., Farouk Mohamed El-Sayed, Salah Hassan El-Emam, G. Zaatar
Mansoura Engineering Journal
In Egypt there is abundance of agriculture byproducts and residues that is still provoking environmental problems, in particular, rice straw, Utilizing of biomass for energy production alleviates the growing waste disposal problems and preserves the diminishing conventional fossil fuels. The present work is dedicated to investigate the combustion characteristics of rice straw in a fluidized bed. Rice straw has been prepared as peBets of diameter 12mm and length 10 mm by virtue chopping and compression processes. The rice straw pellets have been burnt in an atmospheric bubbling fluidized furnace of diameter 300 mm and High 3300 mm. The experiments have …
Nd2 As An Additional Genetic Marker To Improve Identification Of Diving Ducks Involved In Bird Strikes, Sarah A. M. Luttrell, Sergei Drovetski, Nor Faridah Dahlan, Damani Eubanks, Carla J. Dove
Nd2 As An Additional Genetic Marker To Improve Identification Of Diving Ducks Involved In Bird Strikes, Sarah A. M. Luttrell, Sergei Drovetski, Nor Faridah Dahlan, Damani Eubanks, Carla J. Dove
Human–Wildlife Interactions
Knowing the exact species of birds involved in damaging collisions with aircraft (bird strikes) is paramount to managing and preventing these types of human–wildlife conflicts. While a standard genetic marker, or DNA barcode (mitochondrial DNA gene cytochrome-c oxidase 1, or CO1), can reliably identify most avian species, this marker cannot distinguish among some closely related species. Diving ducks within the genus Aythya are an example of congeneric waterfowl involved in bird strikes where several species pairs cannot be reliably identified with the standard DNA barcode. Here, we describe methods for using an additional genetic marker (mitochondrial DNA gene NADH …
The Emerging Conflict Of Common Ravens Roosting On Electric Power Transmission Line Towers In Montana, Usa, Marco Restani, James S. Lueck
The Emerging Conflict Of Common Ravens Roosting On Electric Power Transmission Line Towers In Montana, Usa, Marco Restani, James S. Lueck
Human–Wildlife Interactions
Bird interactions with electric power lines can cause faults (e.g., disruption of electrical service). Faults on 500kV transmission lines in Montana, USA, which are integral to the Northwest USA power grid, became concerning during winter 2016–2017. In 2017 we found insulators contaminated with bird droppings and discovered a large nocturnal roost of common ravens (Corvus corax). To assess the potential magnitude of the impact of raven roosts on electric power transmission, we summarized fault data obtained from the Energy Management System and raven abundance data obtained from the Christmas Bird Count in central Montana from 2005 to 2020. …
Users’ Satisfaction Of Online Resources And Services In The Engineering College In Libraries In Mysore City : A Study, Chandrashakara J
Users’ Satisfaction Of Online Resources And Services In The Engineering College In Libraries In Mysore City : A Study, Chandrashakara J
Library Philosophy and Practice (e-journal)
This research examines the factors influencing the Users’ Satisfaction with the Online Resources an Engineering College in Libraries in Mysore city. The level of users' satisfaction about library online resources facilities and services. A well structured questionnaire was administered to Mysore city engineering college and collect the data regarding the Users’ Satisfaction with the Online Resources an Engineering College in Mysore city. The survey reveals that the library services in the Mysore city engineering college for their users. Libraries users were also effective with the existing online resources. These resources found to be more then 50% satisfied about the E-Journals, …
Spectral Absorption Coefficient Of Additive Manufacturing Materials, Nicholas J. Wallace, Matthew R. Jones, Nathan B. Crane
Spectral Absorption Coefficient Of Additive Manufacturing Materials, Nicholas J. Wallace, Matthew R. Jones, Nathan B. Crane
Faculty Publications
Active thermography techniques are of interest for quality assurance of additive manufacturing processes. However, accurate measurements of thermophysical properties of materials are required to successfully implement active thermography. In particular, the spectral absorption coefficient of materials commonly used in additive manufacturing must be known to accurately predict the spatial distribution of thermal energy generated from absorption of power emitted by a laser or pulsed flash lamp. Accurate measurements of these optical properties are also needed to develop greater understanding of additive manufacturing processes that rely on radiative heat transfer to fuse powders. This paper presents spectral absorption coefficient measurements and …
Damage Sensing And Mechanical Properties Of A Laminate Composite Material Containing Mwcnts During Low-Velocity Impact, M Al-Bahrani, Mrh Alhakeem, A Cree
Damage Sensing And Mechanical Properties Of A Laminate Composite Material Containing Mwcnts During Low-Velocity Impact, M Al-Bahrani, Mrh Alhakeem, A Cree
School of Engineering, Computing and Mathematics
In this work, we present a new criterion, unlike other attempts, to evaluate and quantify the degree of damage of composite material when it subjected to a sudden impact load. Our criterion exploits the high intrinsic electrical conductivity property of the Multi-walled carbon nanotubes (MWCNTs) after dispersing different concentrations of them (0, 0.5, 1.0, 1.5 and 2.0 %) in the epoxy matrix of a glass fibre composite. Following this goal, the low-velocity impact and flexural after impact (FAI) tests on the MWCNTs-glass epoxy (i.e. MWCNTs-GF) nanocomposite were evaluated. At the same time, the changes in its electrical resistance were measured. …
Public Health At The Public Library: Preventive Health Programs Implemented In Large Public Libraries, Uday Aj Patil
Public Health At The Public Library: Preventive Health Programs Implemented In Large Public Libraries, Uday Aj Patil
SLIS Connecting
Amid the opioid epidemic and COVID-19 pandemic, the public sector is consumed with health promotion and disease prevention. Preventive programs serve a significant purpose in ensuring population health and reducing burden on the healthcare system (Cohen et al., 2008; Neumann & Cohen, 2009). People are increasingly turning to educational resources outside of the traditional healthcare sector to ward off diseases or alleviate pre-existing conditions (Eakin et al., 1980; Eng et al., 1998). Public library systems often carry such resources, in print and multimedia form, at no cost. Some libraries are providing health programming to supplement, contextualize, or incentivize the use …
Measuring And Assessing Research Productivity Of Physics Scientist Dr R. G. Sonkawade, Mallikarjun Kappi, Balabhim Sankrappa Biradar Professor, Chaman Sab M Dr
Measuring And Assessing Research Productivity Of Physics Scientist Dr R. G. Sonkawade, Mallikarjun Kappi, Balabhim Sankrappa Biradar Professor, Chaman Sab M Dr
Library Philosophy and Practice (e-journal)
Dr R. G. Sonkawade is an Indian professor, Department of Physics Shivaji University, Kolhapur and Advisor cum OSD to Minister, Higher and Technical Education, Govt. of Maharashtra. Former dean, Medical Physicist and Scientist, the authors studied characteristic features, pattern and citation impact of the well-known Indian scientist and professor’s scientific research works. At his 20 years of research publishing career, He had 191 publications during 1998 – 2019 in various domains and present study was analysed 90 research publications based on SCOPUS database. The study categorizes and presents the data according to year-wise contribution, authorship pattern, collaborators & degree of …
Synthesis Of Metal Nanoparticles Using Plants: An Ecofriendly Approach, Dutt Rohit, Dhir Sarika, Singh Mhaveer
Synthesis Of Metal Nanoparticles Using Plants: An Ecofriendly Approach, Dutt Rohit, Dhir Sarika, Singh Mhaveer
Central Asian Journal of Pediatrics
Synthesis of metal nanoparticles using plants by green synthesis technology is biologically safe, environment-friendly and cost-effective. Plant contains various biomolecules such as alkaloids, phenolics, terpenoids, saponins, co-enzymes. These phytoconstituents are present in various parts of plant such as leaves, stem, roots, flower, bark. It has been found that these phytocomponents act as reducing and stabilizing agent in the production of metallic nanoparticles such as silver, gold, copper, platinum, zinc oxide etc. These plant mediated nanoparticles are used as antimicrobial, antifungal and a potential remedy for diseases like cancer, HIV, malaria, hepatitis etc.
The Evolutionary Global Vision Of Chinese Political Philosophy; China's Socio-Economic Transformation In The 21st Century, Meryem Gurel
The Evolutionary Global Vision Of Chinese Political Philosophy; China's Socio-Economic Transformation In The 21st Century, Meryem Gurel
Master's Projects and Capstones
Evolving relations of East Asia due to trade liberalization raised the search for financial stability for institutional development. It also increased the importance of China integrating the global economy into renewing its political philosophy in the new century. This capstone project aims to examine why China has transformed its socio-economic structure by generating outward investments and how it has affected international political relations in terms of the role of the economic institution Asian Infrastructure Investment Bank (AIIB). Quantitative methodology aims to examine the impact of China’s export trade on income distribution and economic growth through linear regression analysis for the …
Management Of Think Tank Research Project Based On Double Helix Structure Theory, Li Yingming, Wang Xiaowan, Tian Yuan, Wang Juan
Management Of Think Tank Research Project Based On Double Helix Structure Theory, Li Yingming, Wang Xiaowan, Tian Yuan, Wang Juan
Bulletin of Chinese Academy of Sciences (Chinese Version)
To promote the high-quality development of new-type think tanks with Chinese characteristics, better serve the national governance system, and advance the modernization of China's system and capacity of governance, it is necessary to improve the ability of think tanks to organize and manage tasks, and it is important to explore and establish project management paradigms that adapt to the characteristics of think tank research. Under the double helix structure theory, this study deeply analyzes the characteristics of think tank research and project management from the perspective of a professional think tank management team, based on understanding of think tank research …
Mechanical Strength Assessment Of Pharmaceutical Compacts With Refractive Index Measurements From Terahertz Time Of Flight Spectroscopy, Shikhar Mohan
Mechanical Strength Assessment Of Pharmaceutical Compacts With Refractive Index Measurements From Terahertz Time Of Flight Spectroscopy, Shikhar Mohan
Electronic Theses and Dissertations
The mechanical strength of pharmaceutical compacts is often considered as a critical quality attribute for roller and tablet compaction processes. Most traditional mechanical strength tests are destructive, thus, preventing further material testing. This thesis expands on the application of terahertz time of flight spectroscopy (THz-TOF) as a nondestructive technique for assessing mechanical strength. This technique is able to extract the refractive index; which is a function of porosity and crystallinity of the solid. Thus, it was hypothesized that refractive index measurements from terahertz time of flight spectroscopy are directly related to porosity; therefore, these nondestructive measurements are able to correlate …
Bacteria-Mediated Synthesis Of Cobalt(Ii,Iii) Oxide Nanostructures, Ryan Loughran
Bacteria-Mediated Synthesis Of Cobalt(Ii,Iii) Oxide Nanostructures, Ryan Loughran
Honors Program Theses and Projects
This work describes the synthesis of Co3O4 using rod-shaped Gram-positive bacteria Lactobacillus rhamnosus as a template. The motivation behind this project was to find potentially cheaper and environmentally benign protocols in comparison to the current solution-based methods.
Evaluating Decarbonization Strategies In Commercial Real Estate: An Assessment Of Efficiency Measures And Policy Impacts, Vibhu Sharma
Evaluating Decarbonization Strategies In Commercial Real Estate: An Assessment Of Efficiency Measures And Policy Impacts, Vibhu Sharma
Mechanical and Aerospace Engineering Graduate Student Publications
This paper presents a comprehensive decarbonization assessment for a commercial real estate property in the United States, analyzing various strategies to reduce energy consumption and greenhouse gas emissions. The study evaluates the effectiveness of energy efficiency measures, renewable energy technologies, and policy frameworks, highlighting the importance of a multitiered approach to decarbonization. Key findings include the need for a long-term vision, stable policies, and innovative financing solutions to overcome barriers and achieve significant emissions reductions. The financial analysis reveals a compelling case for adopting decarbonization strategies, considering both short-term costs and long-term benefits. The paper advocates for a forward-thinking approach …
Music As A Tool, Kayla Boone
Music As A Tool, Kayla Boone
Capstones
My community is focused on individuals who are currently struggling or have struggled with their mental health and are seeking music as an alternative to psychotherapy.
Incorporating Electrical Trucks And Automated Container Stacking System In The Ports For Sustainable And Efficient Operations, Maryam Ali Alzaabi, Mariam Ali Abdulla
Incorporating Electrical Trucks And Automated Container Stacking System In The Ports For Sustainable And Efficient Operations, Maryam Ali Alzaabi, Mariam Ali Abdulla
Theses
In our research we discuss the sustainability and efficiency advantages that come from switching from diesel to electrical trucks and the use of the automated container stacking system in the context of a port operation as an integral part of the economy that contributes to the progress of any city. The main objective is to explore the methods that can be applied to ensure the success of these initiatives, cost barriers, pre-requisites and challenges that go with this decision. In this research our findings demonstrate that switching to electrical trucks instead of diesel significantly reduces the level of emissions, lowers …
A Conceptual Model Evaluation Framework For Adaptive Governance And Adaptive Management In Large-Scale Restoration Programs, Chadwin Smith
A Conceptual Model Evaluation Framework For Adaptive Governance And Adaptive Management In Large-Scale Restoration Programs, Chadwin Smith
School of Natural Resources: Dissertations, Theses, and Student Research
Adaptive management (AM) has become a kind of plastic phrase applied as a formulaic panacea for most major species recovery and ecosystem restoration efforts now underway across the United States. AM emerged as an application of the scientific method to resource management, closely tying management to science learning through experimental actions. The phrase “learning by doing” best captures the premise behind developing an experimental management approach that could be applied on the larger scale of a river system or ecosystem. In nearly five decades of application, however, examples of successful AM implementation at large scales are few and conflict remains …
Florida’S Red Tide: The Hidden Costs Of Land Development In The Everglades, Catherine Joan Outman
Florida’S Red Tide: The Hidden Costs Of Land Development In The Everglades, Catherine Joan Outman
Student Theses 2015-Present
How does human development of land affect the surrounding ecosystems? This paper explores the development of the Everglades throughout the 1900s, which turned much of this wetland into farmland. Rerouting and restructuring of the Everglades’ remaining waterways has caused fertilizer-rich water from the farms to be dumped into the ocean. This fertilizer pollution has caused aggressive outbreaks of red tide, a toxic algal bloom which depletes the ocean’s oxygen and kills aquatic ecosystems, off the coast of Southwest Florida. Chapter one presents quantitative data about land development in the Everglades, focusing mainly on the amount of wetland before the 1900s …
Sustainable Energy System: Case Study Of Solar Water Pumps, Vibhu Sharma
Sustainable Energy System: Case Study Of Solar Water Pumps, Vibhu Sharma
Mechanical and Aerospace Engineering Graduate Student Publications
In rural areas of countries, agricultural lands require reliable and cost-effective water supply systems. This study evaluates the viability of replacing diesel pumps with solar-powered water pumps (PVPs) in rural Ohio, focusing on borehole depths <100m. The analysis shows that PVPs are a cost-effective alternative to diesel pumps, with a discounted payback period of 7 years for 3 HP solar water pumps. Using life cycle costing and financial modeling in Microsoft Excel, the costs and benefits of PVPs and diesel pumps are compared, demonstrating the economic and environmental benefits of solar water pumping systems.
Building Solar Shading, Vibhu Sharma
Building Solar Shading, Vibhu Sharma
Mechanical and Aerospace Engineering Graduate Student Publications
This paper proposes a novel approach to building solar shading, aiming to reduce energy consumption by up to one-third (E/3 model). Through a comprehensive literature review, this paper explores passive solar building designs that maximize thermal comfort while minimizing auxiliary power needs. The methodology involves reviewing existing literature, designing a potential building skin model for buildings, and exploring further actions needed to complete a specific design. This research addresses concerns about investment cost and payback period for environment-friendly net-zero houses, aiming to retrofit existing architectures and promote sustainability.
Validating An Open-Source Uvlm Solver For Analyzing Flapping Wing Flight, Cameron Urban
Validating An Open-Source Uvlm Solver For Analyzing Flapping Wing Flight, Cameron Urban
Mechanical Engineering and Materials Science Independent Study
Scientists have long used the unsteady vortex lattice method (UVLM) to simulate flapping wing flight. However, until recently, there has not been an available open-source UVLM solver designed explicitly for this field. Ptera Software is the only open-source UVLM solver that can simulate flapping wing aerodynamics without the modifications required by other open-source solvers. This report documents the next step in the software’s development: validation of its results. Comparing Ptera Software’s output to high-fidelity experimental data of the pressures on a flapping wing robot shows that the simulated results predict the trends and magnitudes of the net lift over time …
New Jersey Superintendents’ Perceptions Of The Psel Standards And Their Application To The Summative Evaluation Process Of School Principals, Kevin Hajduk
Seton Hall University Dissertations and Theses (ETDs)
It is difficult to imagine a focus for research with greater social justification than research about successful educational leadership. Therefore, the purpose of this study is twofold. First, this study explores the “elements” of the Professional Standards of Educational Leaders (PSEL) from the perspective of New Jersey school superintendents to determine what they consider to be most important when formally evaluating New Jersey public school principals. Second, this study will also distinguish what are the essential, compared to important, leadership skills and responsibilities that a building principal must demonstrate as defined by the PSEL standards and determined by Chief School …
Improving The Maximum Power Point Tracking Efficiency Of Photovoltaic Arrays Via Machine Learning And Deep Learning, Sumedha Inamdar
Improving The Maximum Power Point Tracking Efficiency Of Photovoltaic Arrays Via Machine Learning And Deep Learning, Sumedha Inamdar
Master of Science in Computer Science Theses
Under partial shading conditions, photovoltaic (PV) modules in a solar array experience varying irradiance. A Global Maximum (GM) and multiple Local Maximums (LMs) can originate on the Power-Voltage (P-V) curve under nonuniform irradiance conditions. There are many maximum power point tracking (MPPT) algorithms developed to detect the true maximum power point (MPP) of a PV array. However, in the real-world environment, limited samples of power-voltage (P-V) data might be available to quickly and accurately predict the position of the global maximum point. Since the change of environmental conditions are dynamic, limited time is available to locate the global peak. Machine …
Contractual Procurement Alternatives Of Air Force Contingency Pharmaceuticals: A Cost-Benefit Analysis, Adam J. Brubakken, John M. Dickens, Jason Andrerson, William A. Cunningham Iii
Contractual Procurement Alternatives Of Air Force Contingency Pharmaceuticals: A Cost-Benefit Analysis, Adam J. Brubakken, John M. Dickens, Jason Andrerson, William A. Cunningham Iii
Faculty Publications
Purpose — This paper aims to explore effective supply chain principles, through the theory of transaction cost economics, as measures to improve current contingency pharmaceutical item shortfalls in the Air Force Medical Service (AFMS) Contingency Pharmaceutical Programme. Design/methodology/approach — In this research, AFMS contingency pharmaceutical data was collected from various databases, including the Joint Medical Asset Repository, Medical Contingency Requirements Workflow and the Medical Requirements List. Through the methodology of cost-benefit analysis, alternative sourcing and fulfilment practices are evaluated. Findings — The findings of this research indicate that the application of centralized purchasing principles, in an effort to leverage prime …
How To Break The "Siwei"?—Practice And Enlightenment Based On Research Institute Evaluation Of Chinese Academy Of Sciences, Li Xiaoxuan, Xu Fang
How To Break The "Siwei"?—Practice And Enlightenment Based On Research Institute Evaluation Of Chinese Academy Of Sciences, Li Xiaoxuan, Xu Fang
Bulletin of Chinese Academy of Sciences (Chinese Version)
In 2018, the state issued breaking the "Siwei" related document, while "Siwei" means only papers, only titles, only education back ground, and only awards, and five ministries and institutions, i.e., Ministry of Science and Technology, Ministry of Education, Ministry of Human Resources and Social Security, Chinese Academy of Sciences, and Chinese Academy of Engineering, collaboratedly started the special action of breaking "Siwei". Most researchers in universities and research institutions have both expectations and concerns. There are different opinions on how to break the "Siwei" into a hot topic. Based on the introduction and analysis of the development and evolution of …
Thinking On Issues Of Techno-Economic Security Evaluation, Dai Tao, Liu Zhipeng, Gan Quan, Meng Xiangcui, Zhang Bin
Thinking On Issues Of Techno-Economic Security Evaluation, Dai Tao, Liu Zhipeng, Gan Quan, Meng Xiangcui, Zhang Bin
Bulletin of Chinese Academy of Sciences (Chinese Version)
Techno-economic security evaluation (TESE) is a new multi-disciplinary direction, which is designated to systematically evaluate the risks of technical factors and their impact on economic security from the perspective of ensuring economic security, and provide decision-making support for ensuring the safety development of national science and technology and economy. This study analyzes the key issues such as the concept of techno-economic security, the main problems that should be resolved in TESE, and the evaluation methods of TESE. Suggestions for how to optimize the TESE are offered in terms of continuing to carry out basic theoretical and method research, strengthening the …
Development Strategy On China's Service-Oriented Manufacturing During 14th Five-Year Plan Period, Song Dawei, Zhu Yongbin
Development Strategy On China's Service-Oriented Manufacturing During 14th Five-Year Plan Period, Song Dawei, Zhu Yongbin
Bulletin of Chinese Academy of Sciences (Chinese Version)
During the 14th Five-Year Plan period, China will enter a new stage in reform and opening and modernization. It is essential to promote the development of service-oriented manufacturing and build a modern industrial system. With deeply understanding and conscientiously implementing the strategic deployment of the Central Committee of the Communist Party of China and the State Council, the development of service-oriented manufacturing must focus on building a new development pattern with domestic cycles as the main body and mutual promotion of domestic and international double cycles, and comprehensively improve the capabilities of scientific and technological innovation, value creation and industries …
Data Science And Computing Intelligence: Concept, Paradigm, And Opportunities, Cheng Xueqi, Mei Hong, Zhao Wei, Wah Wan Sang B, Shen Huawei, Li Guojie
Data Science And Computing Intelligence: Concept, Paradigm, And Opportunities, Cheng Xueqi, Mei Hong, Zhao Wei, Wah Wan Sang B, Shen Huawei, Li Guojie
Bulletin of Chinese Academy of Sciences (Chinese Version)
The development of data science is valuable to clarify the theoretical boundary of data science, and provides new possibilities and opportunities for the sustainable development of computing intelligence. Meanwhile, the development of computing intelligence and the emergence of new intelligence paradigms can offer new chance for applications of big data in various industries and fields. This paper discusses the connotation of data science, the development of computing intelligence, the new intelligence paradigm, and lists the key applications leading the development of data science and computing intelligence. Furthermore, based on the discussion during the 667th Xiangshan Science Conference, seven key problems …