Search results
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Title
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A CLOSER LOOK INTO WHY AFRICAN AMERICAN MEN LEAVE AND AVOID STEM MAJORS IN COLLEGE
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Author
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Bailey, Jr., Ricardo
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Date Created
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2017
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Subjects--Topical
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Sociology, Educational sociology, African Americans--Study and teaching, Ethnicity--Study and teaching
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Description
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African American males are underrepresented in university Science Technology Engineering and Math (STEM) programs as STEM majors in the United States. I will be investigating why this phenomenon is so prevalent in America’s collegiate STEM program...
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Title
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A study of surface modification effect of hemp fibers on the bulk material properties of hemp-poly (lactic acid) composites: thermal stability, mechanical, therm0-mechanical and biodegradability
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Author
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Oza, Shubhashini
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Date Created
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2013
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Subjects--Topical
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Civil engineering, Sustainability, Environmental engineering
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Description
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Biocomposites made with, natural fiber and bio-based polymers, have many advantages over their synthetic counterparts including low cost, low density, high strength and biodegradability. However, some biocomposites can present problems due to high...
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Title
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Control of wind integrated power grid using voltage controllability and vulnerability detection
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Author
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Maharjan, Rabindra
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Date Created
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2016
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Subjects--Topical
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Electrical engineering, Engineering, Renewable energy sources
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Description
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Modern power grids are the largest and most complex engineered systems. Integration of distributed resources like wind farms and economic constraints push power grids to operate close to their limits. Due to this, power system is subject to variou...
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Title
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Development of Bridge Management Tools for Predicting Bridge Replacement Projects
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Author
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Alar, Aidan
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Date Created
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2018
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Subjects--Topical
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Civil engineering
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Description
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One of the responsibilities of the NCDOT is the prioritization of highway bridge replacement projects throughout the North Carolina transportation system. The Priority Rating Index (PRI) is a multi-criteria formula that is currently used to provid...
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Title
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Development of a Surface Resistivity Specification for Durable Concrete
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Author
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Biggers, Robert
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Date Created
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2019
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Subjects--Topical
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Engineering
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Description
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Surface resistivity testing is a state-of-the-art method of testing concrete’s ability to resist chloride ion penetration. This electrical test is performed by passing an electrical current through a saturated concrete specimen, and has recently g...
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Title
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Does Planning Build Resilience in Hydraulic Fracturing Communities?
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Author
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Underwood, Catherine
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Date Created
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2020
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Subjects--Topical
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Sustainability, Social sciences--Research, Land use--Planning
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Description
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Despite its long history in the United States and abroad, the unconventional drilling industry, and specifically hydraulic fracturing technology, remain controversial. While the competing demands of energy from oil and gas are contrasted with envi...
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Title
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Engineering Characterization of Tire Derived Aggregate for Geotechnical Applications
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Author
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Garcia-Theran, Mauricio
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Date Created
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2015
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Subjects--Topical
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Civil engineering, Human ecology--Study and teaching
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Description
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According to the Rubber Manufacture Association about 230.7 million scrap tires are generated in the United States every year. Reduction of scrap tire disposal, through recycling and reutilization, has become an important environmental priority. I...
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Title
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Evaluating Corrosive Site Performance of Coastal Bridges
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Author
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Newsome, Ross
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Date Created
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2020
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Subjects--Topical
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Civil engineering
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Description
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Corrosion of reinforcing steel in concrete structures, such as bridges, has historically been a concern in coastal environments. Such environments are chloride-rich due to proximity to the salt water found in oceans and brackish water further inla...
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Title
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Evaluation of J-Rox as a Supplementary Cementitious Material for Concrete Applications
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Author
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Summers, Allison
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Date Created
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2021
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Subjects--Topical
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Civil engineering, Engineering, Materials science
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Description
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Supplementary cementitious materials (SCMs) provide a variety of benefits to fresh and hardened concrete. These materials can be found in naturally occurring substances or from by-products or co-products of a variety of industries. However, some o...
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Title
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FROM ROOTS TO STAR TREK: A CASE STUDY ON SUCCESSFUL PERSISTENCE OF AFRICAN AMERICAN MALE ENGINEERING MAJORS
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Author
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McGee, Marquis
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Date Created
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2018
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Subjects--Topical
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Engineering, Education, Higher, African Americans--Study and teaching, Ethnicity--Study and teaching
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Description
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The United States is competing on a global level for jobs in the STEM fields but retention and graduation rates in the engineering disciplines are lower than desired. African American males make up 5 % of the population of American colleges and un...
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Title
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Frequency-Dependent Electric Power Line Modeling for Steady State Harmonic Analysis
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Author
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Poudel, Bikash
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Date Created
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2016
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Subjects--Topical
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Electrical engineering, Engineering
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Description
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The modern electric power system is experiencing an increased level of harmonic frequency components because of the growing use of power electronic devices, such as converters, and nonlinear loads, such as rectifier-end loads. Electric power line ...
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Title
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Hydration of Binary and Tertiary Fly ash and Quicklime Blended Cement Paste System
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Author
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Ojaruega, Akpovona
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Date Created
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2018
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Subjects--Topical
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Civil engineering
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Description
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The hydration kinetics in blended cementitious systems with fly ash are quite different from those in conventional cementitious systems. The pozzolanic nature of fly ash not only reduces the rate of hydration in cement-fly ash blends, but also rea...
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Title
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Internally Cured Concrete Mixtures and Specifications for Highway Infrastructure
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Author
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Leach, Jacob
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Date Created
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2017
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Subjects--Topical
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Civil engineering
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Description
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Internal curing is a relatively simple approach to reduce the shrinkage and cracking potential of concrete mixtures, accomplished by placing reservoirs of water within the concrete to provide additional moisture to facilitate hydration of the ceme...
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Title
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Mobilization of oxyanion forming trace elements from fly ash based geopolymer concrete
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Author
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Sanusi, Olanrewaju
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Date Created
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2012
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Subjects--Topical
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Environmental engineering
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Description
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The suitability of fly ash based geopolymer concrete as a replacement for ordinary Portland cement (OPC) concrete depends on the mobility of elements from the material. Due to the alkaline nature of geopolymer concrete, there is a potential for th...