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Articles 3571 - 3600 of 6182
Full-Text Articles in Entire DC Network
Hydromechanical Well Testing Using A 3d Fiber Optic Extensometer, Glenn Skawski
Hydromechanical Well Testing Using A 3d Fiber Optic Extensometer, Glenn Skawski
All Theses
Some fractured rock formations hold important resources, such as water, hydrocarbons or heat, whereas others are good candidates for waste disposal. Hydromechanical well tests have been developed to improve characterization of formation properties and parameter distributions by measuring displacement along with pressure while stressing a well. The displacement that occurs during a well test depends on the geometry of fractures or other sources of permeability, as well as the distribution of compliance or elastic modulus. Current methods of hydromechanical well testing, measures axial displacements along a wellbore, which may cause ambiguity in interpretations when 3-D components of deformation are present. …
Examination Of The Effectiveness Of Bioretention Cells And Porous Paving Practices In Aiken, Sc, Casey Johnson
Examination Of The Effectiveness Of Bioretention Cells And Porous Paving Practices In Aiken, Sc, Casey Johnson
All Theses
This work seeks to quantify the impact and effectiveness of green infrastructure practices, specifically bioretention cells and porous asphalts, for the reduction of peak flow and volume of stormwater that discharges into the headwaters of the Sand River watershed in Aiken, SC. Stormwater runoff flows and volumes were monitored in the upper Sand River watershed that includes the urban Aiken area, along with two nested subwatersheds, prior to, during, and after the construction of the bioretention cells and porous asphalt sites. Flow data from these monitoring stations were analyzed and the data suggested that there was no significant reduction in …
To Kill A Vampire?: Through The Hearth, Charlsie Lamos
To Kill A Vampire?: Through The Hearth, Charlsie Lamos
All Theses
Long before Dracula was terrorizing English families, Emily Brontë's Heathcliff captivated Victorian audiences. Critics such as James Twitchell propose that Emily Brontë carefully creates the possibility of Heathcliff as a metaphorical vampire, using his unknown parentage and his physical descriptions throughout the novel as evidence for this claim. Indeed, my thesis examines how Heathcliff exhibits characteristics of the vampire in his decimation of the English families in the novel by consuming the Earnshaw's and Linton's properties, monies, and women. In Brontë's and Bram Stoker's novels, the vampires prey upon humanity, consuming property, lives, and bloodlines. However, although vampires are often …
Community By [Design] By Community: Product & Process, Aaron Bowman
Community By [Design] By Community: Product & Process, Aaron Bowman
All Theses
In his seminal work De Architectura (The Ten Books on Architecture), the Roman architect Vitruvius proposed a definition that became a lasting benchmark for the elements of [DESIGN] -Firmness, Commodity, and Delight. While this three-part definition provided a common lens through which to view [DESIGN], it also created a divide between the trained 'specialists' who create [DESIGN] and the Community who experience and interact with it. For Vitruvius, [DESIGN] provided a physical demarcation of place and created a shared association that was collectively understood as a Community. As the idea of Community has become increasingly dissociated with place in the …
Preliminary Investigation Into The Design Of Thermally Responsive Forster Resonance Energy Transfer Colloids, Monte Bedford
Preliminary Investigation Into The Design Of Thermally Responsive Forster Resonance Energy Transfer Colloids, Monte Bedford
All Theses
While nuclear imaging techniques (Magnetic Resonance Imaging, Computed Tomography, and Positron Emission Tomography) have proven effective for diagnosis and treatment of disease in the human body, fluorescence-enhanced optical imaging offers additional benefits. Fluorescent imaging provides high resolution with real-time response, persistent lifetime (hours to days), cell targeting, and transdermal penetration with minimal physical encumbrance. Malignant cells can be targeted by absorbance of exogenous fluorescent nanoprobe contrast agents. Imaging is improved by fluorescent enhancement, especially by energy transfer between attached dyes. Also for use against cancer are heat-active treatments, such as hyperthermal, photothermal, and chemothermal therapies. Helpful to these treatments is …
Study Of Cell Viability During Laser Direct Writing Of Cell-Alginate Suspension, Hemanth Gudapati
Study Of Cell Viability During Laser Direct Writing Of Cell-Alginate Suspension, Hemanth Gudapati
All Theses
Laser-assisted cell printing, developed based on Matrix-assisted pulsed-laser evaporation direct-write (MAPLE DW), a typical LIFT (laser-induced forward transfer) practice, has been emerging as one of the most promising biofabrication techniques. Alginate, particularly sodium alginate, is extensively used as the constituent of bioink in laser-assisted cell printing. However, thus far, studies investigating the effect of alginate gelation on cell viability in laser-assisted cell printing are lacking. The objective of this study is to investigate the effects of gelation, gelation time, sodium alginate concentration, and the effect of operating conditions such as the laser fluence on post-transfer cell viability during laser-assisted cell …
Procuring And Tracing Produce From Small- And Medium- Scale Farmers For Use In Institutional Foodservice Operations In Nc, Sc And Ga, Anita Nunnelley
Procuring And Tracing Produce From Small- And Medium- Scale Farmers For Use In Institutional Foodservice Operations In Nc, Sc And Ga, Anita Nunnelley
All Theses
In response to concerns about an increasingly globalized food system in the United States, and increasing interest in the connections between small- and medium-scale (SMS) farms and institutional foodservice operations (IFO), the U.S. has recently developed legislation to link farmers to institutional markets (Joshi, Azuma, & Feenstra, 2008; Poulton, Dorward, & Kydd, 2010; USDA, 2010; Wootan, 2012). The purpose of this study is to determine if these connections are viable, sustainable and ultimately if the food is safe for consumption in the IFO. There are significant logistical, contractual and food safety concerns when sourcing food for IFOs from SMS farms. …
Analysis And Evaluation Of Existing And Novel Turbulent Dynamic Pressure Based Methods For Measuring Bridge Pier And Abutment Scour, Murray Fisher
Analysis And Evaluation Of Existing And Novel Turbulent Dynamic Pressure Based Methods For Measuring Bridge Pier And Abutment Scour, Murray Fisher
All Dissertations
Scour is one of the most significant threats to bridge infrastructure and is the leading cause of failure within the United States. Given this risk to the nation’s transportation infrastructure, it is necessary to understand the development of scour holes around bridge piers and abutments. This can be achieved with scour monitoring, a Federal Highway Administration approved scour countermeasure. As the monitoring techniques available range from simple devices that rest on or in the channel bed to advanced scanning systems that provide a bed contour profile, a concise study of the state of the art in real time scour measurement …
Principals' Experiences Regarding Culturally Responsive Leadership Preparation And Practices That Promote Academic Achievement Of African American Students, Monica Brown
All Dissertations
Culturally responsive education improves the educational success of ethnically diverse students (Gay, 2002). The research presented states the case of the need of culturally responsive leadership preparation programs that influence the practice of culturally responsive principals. Emerging evidence has found that preparation programs impact the efficacy of future school leaders (Darling-Hammond, LaPointe, Meyerson, Orr, & Cohen, 2007; Jackson & Kelly, 2002). A large body of literature points to persistent achievement gaps for children of color and especially for African American males and demands that school leadership preparation attend to issues of cultural competence (Dantley, 2005; Evans, 2007; Lopez, Magdeleno, & …
Interview With The Merriman Award Winner
Application Of Carbon Dioxide Towards The Development Of Smart Materials, Green Reaction Schemes And Metallic Nanoparticle Synthesis, Fiaz Mohammed
Application Of Carbon Dioxide Towards The Development Of Smart Materials, Green Reaction Schemes And Metallic Nanoparticle Synthesis, Fiaz Mohammed
All Dissertations
Global carbon dioxide (CO2) emissions have steadily risen over the last 50 years, with 34 billion tons of CO2 released in 2009 alone. Its potential as a greenhouse gas has negatively affected of our lives and environment by the resulting ocean acidification and climate change. To mitigate atmospheric CO2, various strategies have been implemented for CO2 separation, capture, storage and use as a chemical feedstock. The use of CO2 in various chemical industries is attractive as its non-flammable, non-toxic, and relatively inert properties have made it an inherently safer alternative to traditional organic …
Geographic Information Systems For Real-Time Environmental Sensing At Multiple Scales, Samuel Esswein
Geographic Information Systems For Real-Time Environmental Sensing At Multiple Scales, Samuel Esswein
All Dissertations
The purpose of this investigation was to design, implement, and apply a real-time geographic information system for data intensive water resource research and management. The research presented is part of an ongoing, interdisciplinary research program supporting the development of the Intelligent River® observation instrument. The objectives of this research were to 1) design and describe software architecture for a streaming environmental sensing information system, 2) implement and evaluate the proposed information system, and 3) apply the information system for monitoring, analysis, and visualization of an urban stormwater improvement project located in the City of Aiken, South Carolina, USA.
This research …
The Behavior And Toxicity Of Metal Oxide Nanoparticles In Aqueous Solution, Phenny Mwaanga
The Behavior And Toxicity Of Metal Oxide Nanoparticles In Aqueous Solution, Phenny Mwaanga
All Dissertations
The dissolution and aggregation of metal oxides nanoparticles (NPs) in aqueous solution not only alter the abundance and toxicology of NPs, but also makes the effective assessment and the correct interpretation of effects of NPs on organisms challenging. The extent to which these processes (dissolution and aggregation) occur largely depend on pH, ionic strength, dissolved natural organic matter (NOM) and NPs characteristics. This study investigated the dissolution and aggregation behavior of the four metal oxide NPs (nZnO, nCuO, nFe2O3 and nTiO2) in aqueous solution as influenced by pH, ionic strength and NOM and examined the toxicity of these NPs to …
Dynamic And Static Effects In Wetting Of Capillaries And Fibers, Taras Andrukh
Dynamic And Static Effects In Wetting Of Capillaries And Fibers, Taras Andrukh
All Dissertations
This research is centered on the analysis of static and dynamic effects of wetting of single capillaries and fibers. We discuss specifics of the capillary rise and drop-on-fiber techniques and develop new methods of characterization of surface energy of single fibers when its contact angle varies between zero and ninety degrees. The contact angles were evaluated and compared for different substrates. We study the dynamics of the meniscus formation inside and outside of capillaries and fibers. We develop a mathematical model of liquid uptake by capillaries and analyze the factors affecting liquid uptake. The derived fundamental equation describes the dynamics …
Solvation Energy Of Biomolecular Structures: A Study Of The Effect Of Salt On Biomolecules Through Implicit As Well As Explicit Solvation Methods, Mihir Date
All Dissertations
In the current dissertation, studies related to solvation energy of protein structures using implicit as well explicit solvation methods have been discussed. Special focus is given to explore effect of salt on the fold stability of proteins and enzymes. Salt plays a crucial role in the functioning of all proteins, enzymes and nucleic acids. Change in salt concentration of the medium has large impact on stability and activity of these biological macromolecules. Therefore exploring mechanism of salt effect on them and development of an efficient model to calculate the salt effect has fundamental as well as practical importance in the …
Intersecting Identities Of Female College Student Intramural Sports Officials: A Grounded Theory, April Flint
Intersecting Identities Of Female College Student Intramural Sports Officials: A Grounded Theory, April Flint
All Dissertations
Intramural activities are conducted on virtually every college campus throughout the United States, but there is a debate as to the role of intramurals in the overall development of the student (Rothwell & Theodore, 2006). Specifically for females, not every sport is offered for participation at youth or higher levels, but intramural sports is one arena where they have the chance to learn the sport rules and referee the game. This study aims to create a base of knowledge on the experiences of female college students who work on campus as intramural sports officials. The purpose of the study is …
Sample Preparation Techniques For The Improvement Of Analytical Measurements: Capillary-Channeled Polymer Fibers Employed In Protein Solid Phase Extraction Applications And Characterization Of Active Components In Botanical Dietary Supplements, Carolyn Burdette
All Dissertations
The task of sample preparation encompasses many challenges and demands for analytical techniques. Appropriate preparative steps can be the determining factor between successful measurements and failures. Too little preparation can lead to the inability to detect analytes due to low concentrations, insufficient extraction of analytes, and/or strong matrix effects; exhaustive preparation steps increases analysis times, the potential for analyte losses, and the difficulty to obtain consistent reproducible results. Discussed here are several examples of analytical techniques where sample preparation is critical and can be used to improve existing techniques. Capillary-channeled polymer (C-CP) fibers used for solid phase extraction (SPE) protein …
Environmental And Biological Applications And Implications Of Soft And Condensed Nanomaterials, Pengyu Chen
Environmental And Biological Applications And Implications Of Soft And Condensed Nanomaterials, Pengyu Chen
All Dissertations
Recent innovations and growth of nanotechnology have spurred exciting technological and commercial developments of nanomaterails. Their appealing physical and physicochemical properties offer great opportunities in biological and environmental applications, while in the meantime may compromise human health and environmental sustainability through either unintentional exposure or intentional discharge.
Accordingly, this dissertation exploits the physicochemical behavior of soft dendritic polymers for environmental remediation and condensed nano ZnO tetrapods for biological sensing (Chapter two-four), and further delineate the environmental implications of such nanomaterials using algae- the major constituent of the aquatic food chain-as a model system (Chapter five).
This dissertation is presented as …
Spider Mediation Of Polychlorinated Biphenyl Transport And Transformation Across Riparian Ecotones, Diana Delach
Spider Mediation Of Polychlorinated Biphenyl Transport And Transformation Across Riparian Ecotones, Diana Delach
All Dissertations
Polychlorinated biphenyls (PCBs) contaminate the sediment of the Twelvemile Creek / Lake Hartwell Superfund Site, and are known to be transported throughout the resident biota via trophic transport. Riparian spiders have recently become of interest because they are terrestrial organisms that have significant PCB exposures derived from aquatic sources. Many riparian spiders primarily consume insects emerging from contaminated aquatic systems, and these spiders can have a body burden as high as 2900 ng/g lipid. These emergent insects carry contaminants out of the river and into the riparian zone where they are captured by spiders, which effectively directs the contamination towards …
Understanding Nanoparticle-Cell Interaction, Ran Chen
Understanding Nanoparticle-Cell Interaction, Ran Chen
All Dissertations
Nanotechnology has revolutionalized the landscape of modern science and technology, including materials, electronics, therapeutics, bioimaging, sensing, and the environment. Along with these technological advancements, there arises a concern that engineered nanomaterials, owing to their high surface area and high reactivity, may exert adverse effects upon discharge to compromise biological and ecological systems. Research in the past decade has examined the fate of nanomaterials in vitro and in vivo, as well as the interactions between nanoparticles and biological and ecosystems using primarily toxicological and ecotoxicological approaches. However, due to the versatility in the physical and physicochemical properties of nanoparticles, and due …
2012-2013 All Committee Updates
Cpc Update: Mark Your Calendars Now!
Performance Evaluation Of Video Streaming In An Infrastructure Mesh Based Vehicle Network, Sajindra Pradhananga
Performance Evaluation Of Video Streaming In An Infrastructure Mesh Based Vehicle Network, Sajindra Pradhananga
All Theses
Most next-generation wireless networks are expected to support video stream-
ing which constitutes the bulk of traffic on the Internet. This thesis evaluates the
performance of video streaming in a vehicle network with an infrastructure wireless
mesh network (WMN) backhaul. Several studies have investigated video quality per-
formance primarily in single hop wireless networks and static WMNs. This thesis is
based on those studies and conducts the study in relation to a network where the
multi-hop features of the mesh network and mobility of the streaming clients may
have substantial impact on the perceived video quality in the network.
The …
Examining The Short-Run Price Elasticity Of Gasoline Demand In The United States, Michael Brannan
Examining The Short-Run Price Elasticity Of Gasoline Demand In The United States, Michael Brannan
All Theses
Estimating the consumer demand response to changes in the price of gasoline has important implications regarding fuel tax policies and environmental concerns. There are reasons to believe that the short-run price elasticity of gasoline demand fluctuates due to changing structural and behavioral factors. In this paper I estimate the short-run price elasticity of gasoline demand in two time periods, from 2001 to 2006 and from 2007 to 2010. This study utilizes data at both the national and state levels to produce estimates. The short-run price elasticities range from -0.034 to -0.047 during 2001 to 2006, compared to -0.058 to -0.077 …
The Tiger Vol. 106 Issue 23 2012-11-16, Clemson University
The Tiger Vol. 106 Issue 23 2012-11-16, Clemson University
Tiger Newspapers
No abstract provided.
The Tiger Vol. 106 Issue 21 2012-11-02, Clemson University
The Tiger Vol. 106 Issue 21 2012-11-02, Clemson University
Tiger Newspapers
No abstract provided.
Ice Research News, Vol. 2, No. 2 - November 2012, Clemson University
Ice Research News, Vol. 2, No. 2 - November 2012, Clemson University
ICE Research News (Biannual Newsletter)
No abstract provided.