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Modeling Greenhouse Gas Emissions From Conventional Wastewater Treatment Plants In South Carolina, Andrea Hicks
Modeling Greenhouse Gas Emissions From Conventional Wastewater Treatment Plants In South Carolina, Andrea Hicks
All Theses
Wastewater treatment is an essential part of life in the urbanized world. As global climate change becomes a more pressing issue, the greenhouse gas emissions created through wastewater treatment will become a more prominent concern. Tertiary treatment will likely be standard for wastewater treatment plants in the near future, and therefore must be included in a model of greenhouse gas emissions. Also, the geographic location of a WWTP will change the mix of power types (e.g., coal, nuclear, biomass) used to run the plant. Although GHG emissions from the waste sector are small compared to the emissions of the United …
The Synthesis, Characterization, And Electrochemical Study Of Tris(Pyrazolyl)-Type Iron(Ii) Complexes, Iron(Ii) Sulfur- And Selenium-Containing Complexes, And Tris(Pyrazolyl)-Type Ruthenium(Ii) Complexes, Christopher Underwood
The Synthesis, Characterization, And Electrochemical Study Of Tris(Pyrazolyl)-Type Iron(Ii) Complexes, Iron(Ii) Sulfur- And Selenium-Containing Complexes, And Tris(Pyrazolyl)-Type Ruthenium(Ii) Complexes, Christopher Underwood
All Theses
Highly reactive radical species such as hydroxyl radical cause oxidative stress, resulting in chronic or degenerative diseases. In the biological Fenton reaction, iron(II) generates hydroxyl radical, OH, but only within a specific electrochemical potential window (-324 mV to 640 mV). Selenium and sulfur compounds have been extensively studied for their antioxidant properties, and they may exert their effects by binding iron(II) and shifting its electrochemical potential out of this window. This work has investigated the synthesis and electrochemical characterization of iron(II) chalcogenate complexes and iron(II) chalcogenone complexes. Cyclic voltammetry (CV) of [Fe(EPh)4][(PPh4)2] (E = S, Se) complexes shows Fe2+/3+ redox …
Mapping Problem And Requirements To Solution: Document Analysis Of Senior Design Projects, Shraddha Joshi
Mapping Problem And Requirements To Solution: Document Analysis Of Senior Design Projects, Shraddha Joshi
All Theses
Formulating and solving engineering problems and designing solutions that meet the established requirements are important skills that graduating engineering students need to possess. However, there are noticeable gaps in the literature with respect to understanding how the formulation of design problems and establishment of requirements affect the final design solution. This thesis is an initial attempt to understand the influence of level of detail of problem statement and requirements on the level of detail of final solution. In doing so, a document analysis of final reports from senior design class collected over a period of ten years from 1999 to …
Correcting Liquefaction Resistance Of Partially Saturated Soil Using Compression Wave Velocity, Md Hossain
Correcting Liquefaction Resistance Of Partially Saturated Soil Using Compression Wave Velocity, Md Hossain
All Theses
Empirical relationships for correcting liquefaction resistance of partially saturated soil using longitudinal (P-) wave velocity (VP) and shear (S-) wave velocity (VS) are developed and evaluated in this thesis. The relationships are based on the laboratory test results for four different types of sands and one silt published by other investigators. The data used to develop the relationship with VP exhibit less scatter than the data used to develop the relationship with VP/VS. For this reason, the VP based relationship is recommended for correcting liquefaction resistance of partially saturated soil. …
Pulse Echo Ultrasonic Testing Of Adhesive Bonded Joints For Automotive Applications, Arun Ganapathi
Pulse Echo Ultrasonic Testing Of Adhesive Bonded Joints For Automotive Applications, Arun Ganapathi
All Theses
The growing prominence of adhesive bonding technology in automotive manufacture has necessitated the development of reliable and robust quality assurance techniques. Of the different Nondestructive testing technologies available, Ultrasonic testing has shown itself to be the most promising technique to satisfy the requirements in automobile production. The current work attempts to apply two variations of the Ultrasonic Pulse Echo technique namely Contact and Immersion testing for inspecting typical hem bonded automotive joints. The joints have been tested for disbond at the various metal-adhesive interfaces by using an ultrasonic scan comparison method which compares the acquired signals against a reference scan …
Analysis Of Part Consolidation Techniques For Automotive Body In White Panels Based On Advanced Sheet Metal Forming Technologies, Harish Thiruvengadam
Analysis Of Part Consolidation Techniques For Automotive Body In White Panels Based On Advanced Sheet Metal Forming Technologies, Harish Thiruvengadam
All Theses
The automotive industry is looking to move from mass production to mass customization in order to manufacture and sell a variety of products in different markets on a global scale. This requires a robust and cost effective manufacturing system which would help design new products in the shortest possible lead time. This thesis tries to investigate the current sheet metal forming process for body in white, identify the limitations and propose an alternative which would help the industry cut down product lead time and costs. Decision making tools are used to identify the technical requirements of a BIW manufacturing system …
Letting The Light In, Owen Riley
Letting The Light In, Owen Riley
All Theses
LETTING THE LIGHT IN
Owen Riley Jr.
December 2010
ABSTRACT
'Forget your perfect offering, there is a crack in everything. That's how the light gets in.' Leonard Cohen
My thesis is a visual meditation on the transitions of life, death, love and emotion that come with age and responsibility. It is what I can touch and feel viewed through the frame of domesticity. It is a ballad of introspection, melancholy and hope redefining the beauty that has been masked by the fractures of time.
My thesis presents my self-created visions of the reality that surrounds me channeled through the 19th. …
Between Spaces, Holes, And Absences, Hanna Kozlowski Slone
Between Spaces, Holes, And Absences, Hanna Kozlowski Slone
All Theses
In this work, I investigate the fragmentary nature of my family history as perceived
through second and third hand experiences. Rather than functioning as an authoritative
documentation of the past, the resulting works emphasize the disconnection between direct and imagined experience. In the paper cut pieces and corresponding oil paintings,
photographs are excavated from the historical archive and strategically reassembled to create narratives. These partial accounts are accessed through the 'memory of a memory', extruded from a mental collection of stories that have been imparted to me at various times throughout my life. The experiences of my grandfather, great uncles, …
Fuor And Exor Variables: A Nir High-Resolution Spectroscopic Survey, Joseph Liskowsky
Fuor And Exor Variables: A Nir High-Resolution Spectroscopic Survey, Joseph Liskowsky
All Theses
To better understand the labyrinth of heating and cooling processes in YSOs (young stellar objects), we study systems where there exists a large variability in the heating of this gas due to accretion. This research project focuses on several classes of early young eruptable T-Tauri stars, namely the FUors, the EXors and the so-called FU Ori-like, which all have the property of large amplitude oscillations in accretion rate. Each of these categories may well represent specific stages in early low-mass stellar evolution. While these objects have specific spectroscopic and circumstellar diagnostics (as means of identification) our research suggests that there …
Explicit Level Lowering Of 2-Dimensional Modular Galois Representations, Rodney Keaton
Explicit Level Lowering Of 2-Dimensional Modular Galois Representations, Rodney Keaton
All Theses
Let f be a normalized eigenform of level Npα for some positive integer α and some odd prime p satisfying gcd(p,N)=1. A construction of Deligne, Shimura, et. al., attaches a p-adic continuous two-dimensional Galois representation to f. The Refined Conjecture of Serre states that such a representation should in fact arise from a normalized eigenform of level prime to p.
In this presentation we present a proof of Ribet which allows us to 'strip' these powers of p from the level while still retaining the original Galois representation, i.e., the residual of our new representation arising from level N will …
In Vitro Boosting And Expansion Of Tumor Infiltrating Killer T Cells, Chunlei Mei
In Vitro Boosting And Expansion Of Tumor Infiltrating Killer T Cells, Chunlei Mei
All Theses
Immune cell tumor infiltration represents one of the mechanisms that the immune system responds to tumor cells. The tumor infiltrated immune cells include lymphocytes (TIL), dendritic cells (DCs), macrophages, and natural killer (NK) cells. Although TILs have been extensively studied in order to develop adoptive transfer based immunotherapies, how to effectively isolate, culture, and in vitro boosting the killer cells from TILs remains a challenge. Meanwhile, OK-432, a heat and penicillin-treated lyophilized preparation of the low-virulence strain of Streptococcus pyogenes, has been shown to exhibit immunomodulatory activities and potential antitumor therapeutic function, including the activation of DCs, neutrophils, macrophages, lymphocytes, …
Chemical Composition And Antioxidant Properties Of Maya Nut (Brosimum Alicastrum), Hatice Kubra Tokpunar
Chemical Composition And Antioxidant Properties Of Maya Nut (Brosimum Alicastrum), Hatice Kubra Tokpunar
All Theses
ABSTRACT
Maya nut was investigated in term of its moisture, ash content, antioxidant activities, phenolic components by high pressure liquid chromatography-ultraviolet detector (HPLC-UV) and fatty acid composition by gas chromatography-flame ionization detector (GC-FID). The results showed that Maya nut was mainly composed of 55.06% linoleic acid (C18:2 n6), 27.2% palmitic acid (C16:0), 6.26% stearic acid (C18:0), 9.9% linolenic acid (C18:3 n3), and 3.36% Cis-11-Eicosenoic (C20:1). Maya nut possesses a higher content of polyunsaturated fatty acids (PUFAs) (linoleic and linolenic acid), but lower content of monounsaturated fatty acids (MUFAs) than canola oil and olive oil. The antioxidant capacities and total phenolic …
Libstatmech And Applications To Astrophysics, Tianhong Yu
Libstatmech And Applications To Astrophysics, Tianhong Yu
All Theses
In this work an introduction to Libstatmech is presented and applications especially to astrophysics are discussed. Libstatmech is a C toolkit for computing the statistical mechanics of fermions and bosons, written on top of libxml and gsl (GNU Scientific Library). Calculations of Thomas-Fermi Screening model and Bose-Einstein Condensate based on libstatmech demonstrate the expected results. For astrophysics application, a simple Type Ia Supernovae model is established to run the network calculation with weak reactions, in which libstatmech contributes to compute the electron chemical potential and allows the weak reverse rates to be calculated from detailed balance. Starting with pure 12C …
Biofuel Ethanol Production By Saccharomyces Bayanus, The Champagne Yeast, Kristen Miller
Biofuel Ethanol Production By Saccharomyces Bayanus, The Champagne Yeast, Kristen Miller
All Theses
The importance of biofuel ethanol is growing as the demand for clean, renewable fuels produced from non-food sources increases. The United States relies mainly on corn and the yeast Saccharomyces cerevisiae for the production of ethanol. A shift to cellulosic feedstocks, as the main source of biomass for ethanol production, would alleviate the pressure on farmers to produce corn for both the food industry and the ethanol industry. Example cellulosic feedstocks include switchgrass, sorghum, and canary grass. The cellulosic feedstocks are typically grown on land that cannot support economic food production, and thus lay unused.
For cellulosic feedstocks to be …
Bovine Colostrum, Mary Hayes
Bovine Colostrum, Mary Hayes
All Theses
Colostrum is the first milk produced by mammals within a 24 to 72 hour period after parturition. Bovine colostrum is sold commercially as a nutraceutical product and its manufacturers purport numerous health benefits of the product for treating gastrointestinal disorders, respiratory tract disorders, viral and bacterial infections, and promoting tissue repair.
Four commercially available colostrum products, two whey, and one non-fat dry milk were obtained on separate days. These products were analyzed for fat, protein, ash, moisture and dry matter content. One colostrum product did not adhere to label claims in that it contained a mean of 19.1% fat whereas …
Vena Cava As An Alternative To Pericardium In Bioprosthetic Percutaneous Heart Valves, Amy Munnelly
Vena Cava As An Alternative To Pericardium In Bioprosthetic Percutaneous Heart Valves, Amy Munnelly
All Theses
Valve disease is a specialized form of cardiovascular disease that specifically affects the heart valves. Heart valves serve the vital function of maintaining unidirectional blood flow through the chambers of the heart during the cardiac cycle; however, as valve disease progresses, this function can become severely compromised [1]. Currently, the only cure for valve disease is to replace the defective valve with an engineered substitute. Each year, over 300,000 heart valve replacement surgeries are performed worldwide [2], and this number is expected to continue growing as life expectancies increase [3].
In the United States, the most common form of valve …
The Dependence Of Electrical Resistivity, Saturation And Saturation Exponent On Multi-Phase Flow Instability, Zuolin Liu
The Dependence Of Electrical Resistivity, Saturation And Saturation Exponent On Multi-Phase Flow Instability, Zuolin Liu
All Theses
Multiphase flow channeling in oil reservoirs during water floods reduces oil recovery. Electrical methods may be used to monitor reservoirs and detect the onset of channeling, but the dependence of electrical resistivity on reservoir flow conditions is complex. The present study is directed toward understanding how the parameters of Archie's law, a commonly assumed relationship between electrical resistivity and water saturation in a porous medium, depends on multiphase flow instability leading to flow channeling. In this research a series of 34 flow experiments were conducted in a thin, two-dimensional tank (55cm x 55cm x 3.75cm) packed with 2mm glass beads …
On The Use Of Natural-Mode Basis Functions For Electromagnetic Analysis Of Arbitrary Conducting Surfaces, Joshua Lawrence
On The Use Of Natural-Mode Basis Functions For Electromagnetic Analysis Of Arbitrary Conducting Surfaces, Joshua Lawrence
All Theses
The natural modes defined in the singularity expansion method (SEM) are used as basis functions for the frequency- and time-domain current responses of arbitrary perfect electrically conducting (PEC) surfaces in this work. First, a method of determining the natural frequencies and corresponding modes which employs the electric field integral equation is presented. These quantities are then calculated for several geometries and the currents induced due to an incident plane wave in the frequency and time domains are approximated by a weighted sum of the natural modes. Additionally, the modal weights prescribed by SEM are compared to a set of weights …
Complex Decision Support For Older Adults: Effects Of Information Visualization On Decision Performance, Margaux Price
Complex Decision Support For Older Adults: Effects Of Information Visualization On Decision Performance, Margaux Price
All Theses
Older adults are faced with complex decision tasks that impose high working memory demands. A representative task is choosing a prescription drug plan from a multitude of options that must be evaluated along many factors. The combined effect of the quantity of complex information, and reduced working memory capacity puts older adults at a disadvantage. However, research with younger adults suggests that the working memory burden of decision tasks can be reduced using well-designed, graphical decision aids (i.e., environmental supports). The current study examined the use of environmental supports to support complex decision-making for older adults. Two experiments were conducted; …
Shelf Life Studies On Processed Peaches, Divija Unhale
Shelf Life Studies On Processed Peaches, Divija Unhale
All Theses
A series of experiments were conducted on the preservation of fresh peaches using freezing and heat (hot-filled packaging). In the first experiment, the effects of four calcium salts (calcium chloride, calcium lactate, calcium citrate, calcium phosphate) on the texture of processed peach slices were determined. Peach slices were immersed in solutions containing dissolved calcium salts at levels of 0.5, 1 and 2 % for 1 minute then stored at 4 ¡C for 3 days. Treatments with calcium salts were firmer than non calcium treated peach slices at all levels. Calcium lactate at 2 % level was best in terms of …
Evaluation Of Spotlight Surveys For Monitoring Mink Populations In Coastal South Carolina, Michael Waller
Evaluation Of Spotlight Surveys For Monitoring Mink Populations In Coastal South Carolina, Michael Waller
All Theses
Annual commercial fur harvest data suggests a decline in South Carolina's mink (Mustela vison) populations over the past century (Butfiloski and Baker 2005). In 1990, DNR began conducting assessments of South Carolina's coastal marshes, revealing mink populations to be scarce to absent in the northern coastal regions (Baker 1999). Since 1999, restoration efforts have re-established mink populations in the Cape Romain National Wildlife Refuge and additional areas in the northern coastal marshes of South Carolina. Because mink are a species of high conservation priority throughout the coastal zone of South Carolina, it is important to develop and implement a reliable …
A Synthetic Analysis Of Integrated Data Fusion: Combining Hydrologic And Geophysical Data Collected During A Tracer Test To Estimate Aquifer Flow And Transport Parameters, Dylan Fowler
All Theses
Integrated data fusion (IDF), also known as coupled inversion, is becoming a more widely used method for estimating hydrologic parameters from geophysical data. IDF is being used in this research as an approach to inversion that couples mathematical models of groundwater flow, solute transport, and electrical resistivity for the direct estimation of hydraulic conductivity, porosity, and dispersivity from transient resistivity data collected during a tracer test. In this work, synthetic field resistivity data are generated using only a single current electrode pair and many potential electrodes. This data is then used within the IDF framework to a) estimate hydraulic conductivity …
Two-Year Growth And Mortality Of Sub-Canopy Baldcypress (Taxodium Distichum [L.] Rich.) In Artificial Canopy Gaps In A North Carolina Swamp, William Degravelles
Two-Year Growth And Mortality Of Sub-Canopy Baldcypress (Taxodium Distichum [L.] Rich.) In Artificial Canopy Gaps In A North Carolina Swamp, William Degravelles
All Theses
Baldcypress (Taxodium distichum, [L.] Rich.) -tupelo (Nyssa spp.) swamp forests are a major component of the total area of southeastern U.S. forested wetlands which provide valuable ecosystem services related to water quality, stormwater catchment, and wildlife habitat. Historically, baldcypress has also been an important source of wood products, and clearcutting the principal method of harvesting and regenerating the species. However, anthropogenic alterations to flows of many rivers and the associated flood patterns of alluvial wetlands have prevented the establishment of new baldcypress cohorts in many swamps. Regular, extended growing season flooding could prevent germination and/or establishment of baldcypress seedlings if …
Measuring Menu Performance By Plate Waste Analysis: An Evaluation Of An Acute Care Facility's Spoken Word Liberalized Menu, Megan Sargeant
Measuring Menu Performance By Plate Waste Analysis: An Evaluation Of An Acute Care Facility's Spoken Word Liberalized Menu, Megan Sargeant
All Theses
The Bon Secours St. Francis Downtown Hospital has recently changed their menus to offer meals in which the entrŽes are liberalized when possible. The purpose of this study was to evaluate the performance of a newly introduced menu cycle in an acute-care facility foodservice system featuring a spoken word liberalized menu. Plate waste analysis was done by weighed measurements, using visual measurements when absolutes were observed (all or none). Performance of the menu was assessed with weighed plate waste analysis to determine weight of food consumed, energy consumed, and cost of food wasted. Meal consumption averaged 56% of the meal …
Discontinuous Galerkin Method For 1d Shallow Water Flow With Water Surface Slope Limiter, Wencong Lai
Discontinuous Galerkin Method For 1d Shallow Water Flow With Water Surface Slope Limiter, Wencong Lai
All Theses
A water surface slope limiting scheme is applied to numerically solve the one dimensional shallow water equations with bottom slope source term. The total variation diminishing Runge-Kutta discontinuous Galerkin finite element method with slope limiter schemes based on water surface and water depth are investigated for solving one-dimensional shallow water equations. For each slope limiter, three different Riemann solvers based on HLL, LF, and Roe flux functions are used. The three different solvers with slope limiters based on water surface and water depth are applied to simulate idealized dambreak problem, hydraulic jump, quiescent flow, subcritical flow, supercritical flow, and transcritical …
Coming Down Out Of The Tree: Exploring Memory And Identity In H.D.'S End To Torment, Natalie Mahaffey
Coming Down Out Of The Tree: Exploring Memory And Identity In H.D.'S End To Torment, Natalie Mahaffey
All Theses
This thesis focuses on the text End to Torment: A Memoir of Ezra Pound by H.D., as well as the small collection of poetry entitled 'Hilda's Book' by Ezra Pound, which appears in the back of the memoir. My exploration into these texts consists of the reliability of memory, the role memory plays on identity, and the significance of identity as defined by non-fiction, creative writing. For End to Torment, I focus specifically on H.D.'s approach to memory as defined by her work with Dr. Sigmund Freud, as well as the impact this approach has on the presentation of Pound's …
Identifying Barriers To Address During The Delivery Of Sustainable Building Renovation Projects, Corey Cattano
Identifying Barriers To Address During The Delivery Of Sustainable Building Renovation Projects, Corey Cattano
All Theses
Architects, engineers, and contractors are continuously searching for tools and methods to reduce the unique risks associated with the delivery of construction projects. Since national policies to reduce carbon emissions and energy consumption will require drastic improvements to the existing building stock, one specific area in need of such tools is the sustainable renovation of existing buildings. The purpose of this research is to identify the barriers to address during the delivery of sustainable renovation projects and offer solutions that overcome these barriers. For example, typical renovation projects do not coordinate energy retrofits with building system renovations, resulting in poor …
Effects Of Varying Field Conditions On Potential Painted Bunting Habitat In Coastal South Carolina, Kelly Campbell
Effects Of Varying Field Conditions On Potential Painted Bunting Habitat In Coastal South Carolina, Kelly Campbell
All Theses
Daily point counts were conducted during the summer seasons of 2006, 2007 and 2008 in randomly selected agricultural plots at two field sites in coastal South Carolina to examine habitat use by painted buntings, indigo buntings, blue grosbeaks and brown-headed cowbirds. Plots were selected based on their original condition, such as planted, fallow or old field, in 2006. The two sites, James A. Webb Wildlife Management Area and Nemours Plantation, are areas managed in methods similar to those described in several Conservation Reserve Programs (CRPs), and CP33 - Habitat Buffers for Upland Birds - in particular. I propose the management …
A Computational Method For Analysis Of Material Properties Of A Non-Pneumatic Tire And Their Effects On Static Load Deflection, Vibration And Energy Loss From Impact Rolling Over Obstacles, Akshay Narasimhan
All Theses
One of the potential sources of vibration during rolling of a non pneumatic tire is the buckling phenomenon and snapping back of the spokes in tension when they enter and exit the contact zone. Another source of noise was hypothesized due to a flower pedal ring vibration effect due to discrete spoke interaction with the ring and contact with the ground during rolling as the spokes cycle between tension and compression. Transmission of vibration between the ground force, ring and spokes to the hub was also considered to be a significant contributor to vibration and noise characteristics of the Tweel. …
Investigation Of Northeast Extreme Tee (Next) D Beam Bridges As An Alternative To Precast Hollow Core Bridges: An Exploration Of Appropriate Slab Design Forces, Daniel Deery
All Theses
Adjacent precast, prestressed concrete beam bridges have become a popular solution throughout the country because deck forming can be eliminated and construction is rapid. In South Carolina, adjacent beam bridges primarily consist of flat slab or hollow core sections, and they are currently only used on secondary, low-volume, short-span bridges. Durability and load sharing issues stemming from cracking, however, have caused concern with the longevity of these bridge types. Thus, the South Carolina Department of Transportation (SCDOT) has sought an alternative to the flat slab for short span bridges that can be used on high volume roads without an overlay. …