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Fine Structure Characterization Of Zero-Valent Iron Nanoparticles For Decontamination Of Nitrites And Nitrates In Wastewater And Groundwater, Kuen-Song Lin, Ni-Bin Chang, Tien-Deng Chuang Jan 2008

Fine Structure Characterization Of Zero-Valent Iron Nanoparticles For Decontamination Of Nitrites And Nitrates In Wastewater And Groundwater, Kuen-Song Lin, Ni-Bin Chang, Tien-Deng Chuang

Faculty Bibliography 2000s

The main objectives of the present study were to investigate the chemical reduction of nitrate or nitrite species by zero-valent iron nanoparticle (ZVIN) in aqueous solution and related reaction kinetics or mechanisms using fine structure characterization. This work also exemplifies the utilization of field emission-scanning electron microscope (FE-SEM), transmission electron microscopy (TEM), and x-ray diffraction (XRD) to reveal the speciation and possible reaction pathway in a very complex adsorption and redox reaction process. Experimentally, ZVIN of this study was prepared by sodium borohydride reduction method at room temperature and ambient pressure. The morphology of as-synthesized ZVIN shows that the nearly …

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Chromosomal Evidence For A Putative Cryptic Species In The Gymnotus Carapo Species-Complex (Gymnotiformes, Gymnotidae), Susana Sr Milhomem, Julio C. Pieczarka, William Gr Crampton, Danillo S. Silva, Augusto Cp De Souza, Jaime R. Carvalho Jr., Cleusa Y. Nagamachi Jan 2008

Chromosomal Evidence For A Putative Cryptic Species In The Gymnotus Carapo Species-Complex (Gymnotiformes, Gymnotidae), Susana Sr Milhomem, Julio C. Pieczarka, William Gr Crampton, Danillo S. Silva, Augusto Cp De Souza, Jaime R. Carvalho Jr., Cleusa Y. Nagamachi

Faculty Bibliography 2000s

Background: In this study we examined the karyotypes of morphologically indistinguishable populations of the electric knifefish Gymnotus carapo sensu stricto from the Eastern Amazon of Brazil. These were identified unambiguously on the basis of external morphology, meristics, and pigmentation. Results: Specimens from one of five localities exhibited a karyotype previously not documented for Gymnotus species in the Amazon basin: 2n = 40 (34M/SM+6ST/A). Samples from the other four localities exhibited a different karyotype: 2n = 42 (30M/SM+12ST/A), which we had previously described. Specimens from all five localities presented constitutive heterochromatin in the centromeric region of almost all chromosomes, including in …

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Methyl Farnesoate Couples Environmental Changes To Testicular Development In The Crab Carcinus Maenas, G. P. C. Nagaraju, D. W. Borst Jan 2008

Methyl Farnesoate Couples Environmental Changes To Testicular Development In The Crab Carcinus Maenas, G. P. C. Nagaraju, D. W. Borst

Faculty Bibliography 2000s

Carcinus maenas males have two major color phases. Green-phase males molt frequently and tend to live in brackish estuaries during the summer. After becoming red-phase males, they molt infrequently, have higher mating success, and live in cooler, deeper water. We found profound differences between these two phases in the way salinity and temperature affect hemolymph levels of methyl farnesoate (MF), a hormone that affects crustacean reproduction. Few green-phase males ( < 10%) had detectable MF in 33 ppt seawater (SW) at 11 or 18 degrees C. By contrast, about 30% of the red-phase males had detectable MF at either temperature. After transfer to 5 ppt SW, none of the green-phase males had detectable MF at 11 degrees C whereas 100% of green-phase males did at 18 degrees C. By contrast, 100% of the red-phase males had detectable MF in 5 ppt SW at either temperature. At 11 degrees C, green-phase males had detectable MF after eyestalk ablation (ESA), showing that they can produce MF. There was no additional increase in MF levels when ESA animals of either color phase were transferred to 5 ppt SW, suggesting that the eyestalk is the primary regulator of the MF response to low salinity. MF levels of green-phase males were increased by injecting MF, by ESA, or by exposure to 5 ppt SW at 18 degrees C. The testicular index of these treated animals nearly doubled after two weeks. Our results strongly suggest that environmental conditions such as temperature and salinity, affect testicular development in this crab by changing its MF levels.

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Insig2 Gene Polymorphism Is Associated With Increased Subcutaneous Fat In Women And Poor Response To Resistance Training In Men, Funda E. Orkunoglue-Suer, Heather Gordish-Dressman, Priscilla M. Clarkson, Paul D. Thompson, Theodore J. Angelopoulos, Paul M. Gordon, Niall M. Moyna, Linda S. Pescatello, Paul S. Visich, Robert F. Zoeller, Brennan Harmon, Richard L. Seip, Eric P. Hoffman, Joseph M. Devaney Jan 2008

Insig2 Gene Polymorphism Is Associated With Increased Subcutaneous Fat In Women And Poor Response To Resistance Training In Men, Funda E. Orkunoglue-Suer, Heather Gordish-Dressman, Priscilla M. Clarkson, Paul D. Thompson, Theodore J. Angelopoulos, Paul M. Gordon, Niall M. Moyna, Linda S. Pescatello, Paul S. Visich, Robert F. Zoeller, Brennan Harmon, Richard L. Seip, Eric P. Hoffman, Joseph M. Devaney

Faculty Bibliography 2000s

Background: A common SNP upstream of the INSIG2 gene, rs7566605 (g.- 10,1025G > C, Chr2:118,552,255, NT_022135.15), was reported to be associated with obesity (Body Mass Index, [BMI]) in a genome-wide association scan using the Framingham Heart Study but has not been reproduced in other cohorts. As BMI is a relatively insensitive measure of adiposity that is subject to many confounding variables, we sought to determine the relationship between the INSIG2 SNP and subcutaneous fat volumes measured by MRI in a young adult population. Methods: We genotyped the INSIG2 SNP rs7566605 in college-aged population enrolled in a controlled resistance-training program, (the Functional …

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Species-Specific Diversity Of A Fixed Motor Pattern: The Electric Organ Discharge Of Gymnotus, Alejo Rodrìguez-Cattaneo, Ana Carolina Pereira, Pedro A. Aguilera, William G. R. Crampton, Angel A. Caputi Jan 2008

Species-Specific Diversity Of A Fixed Motor Pattern: The Electric Organ Discharge Of Gymnotus, Alejo Rodrìguez-Cattaneo, Ana Carolina Pereira, Pedro A. Aguilera, William G. R. Crampton, Angel A. Caputi

Faculty Bibliography 2000s

Understanding fixed motor pattern diversity across related species provides a window for exploring the evolution of their underlying neural mechanisms. The electric organ discharges of weakly electric fishes offer several advantages as paradigmatic models for investigating how a neural decision is transformed into a spatiotemporal pattern of action. Here, we compared the far fields, the near fields and the electromotive force patterns generated by three species of the pulse generating New World gymnotiform genus Gymnotus. We found a common pattern in electromotive force, with the far field and near field diversity determined by variations in amplitude, duration, and the degree …

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Heat Stress In The Intertidal: Comparing Survival And Growth Of An Invasive And Native Mussel Under A Variety Of Thermal Conditions, Kimberly R. Schneider Jan 2008

Heat Stress In The Intertidal: Comparing Survival And Growth Of An Invasive And Native Mussel Under A Variety Of Thermal Conditions, Kimberly R. Schneider

Faculty Bibliography 2000s

In the rocky intertidal, organisms frequently experience a wide range of daily body temperatures depending on the stage of the tide and the time of day. In the intertidal, the thermal adaption of a species and its ability to invade a new region may be closely linked. In this research, the physiological effects of thermal stress in both low tide and high tide conditions are compared between Mytilus galloprovincialis, a worldwide mussel invader, and M. trossulus, a sibling species. In a seawater tank, mussels were exposed to one of three aerial temperature treatments (20, 25, 30 degrees C) in a …

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Effective Plague Vaccination Via Oral Delivery Of Plant Cells Expressing F1-V Antigens In Chloroplasts, Philip A. Arlen, Michael Singleton, Jeffrey J. Adamovicz, Yi Ding, Abdolreza Davoodi-Semiromi, Henry Daniell Jan 2008

Effective Plague Vaccination Via Oral Delivery Of Plant Cells Expressing F1-V Antigens In Chloroplasts, Philip A. Arlen, Michael Singleton, Jeffrey J. Adamovicz, Yi Ding, Abdolreza Davoodi-Semiromi, Henry Daniell

Faculty Bibliography 2000s

The chloroplast bioreactor is an alternative to fermentation-based systems for production of vaccine antigens and biopharmaceuticals. We report here expression of the plague FIN fusion antigen in chloroplasts. Site-specific transgene integration and homoplasmy were confirmed by PCR and Southern blotting. Mature leaves showed the highest level of transgene expression on the third day of continuous illumination, with a maximum level of 14.8% of the total soluble protein. Swiss Webster mice were primed with adjuvant-containing subcutaneous (s.c.) doses of F1-V and then boosted with either adjuvanted s.c. doses (s.c. FIN mice) or unadjuvanted oral doses (oral F1-V mice). Oral FIN mice …

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Men Who Have Sex With Men And Recruit Bareback Sex Partners On The Internet: Implications For Sti And Hiv Prevention And Client Education, Christopher W. Blackwell Jan 2008

Men Who Have Sex With Men And Recruit Bareback Sex Partners On The Internet: Implications For Sti And Hiv Prevention And Client Education, Christopher W. Blackwell

Faculty Bibliography 2000s

Men who have sex with men (MSM) frequently use Internet-based Web sites to recruit sex partners. Although many MSM users of such sites advocate for safe sex practices in their personal profiles, some users actively recruit sexual partners who wish to participate in anal sexual intercourse without the use of condoms, also known as "bareback" sex. Participating in this sexual practice places both sexual partners at higher risk of HIV transmission. In addition, data indicate this behavior is associated with other high-risk activities such as drug use and communication of other sexually transmitted infections. This article summarizes the literature assessing …

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Hatching Asynchrony Occurs As A Byproduct Of Maintaining Egg Viability, Robert Aldredge Jan 2008

Hatching Asynchrony Occurs As A Byproduct Of Maintaining Egg Viability, Robert Aldredge

Electronic Theses and Dissertations

For many organisms, embryonic development begins directly after an egg (ovum) has been fertilized by sperm; however, some organisms delay the onset of embryonic development until conditions are favorable for raising young. This delayed onset of development could occur by delaying implantation of fertilized ovum on the uterine wall, as seen in many mammals. Birds delay embryonic development by laying a set of fertilized ova over a period of consecutive days. These fertilized ova are protected from the ambient environment by an exterior shell, and it is in this shell outside of the female s body that embryonic development occurs, …

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The Distribution, Abundance, And Habitat Use Of The Big Cypress Fox Squirrel, (Sciurus Niger Avicennia)., Danielle Munim Jan 2008

The Distribution, Abundance, And Habitat Use Of The Big Cypress Fox Squirrel, (Sciurus Niger Avicennia)., Danielle Munim

Electronic Theses and Dissertations

Human population growth and development reduce the area and quality of natural communities and lead to a reduction of populations of the species associated with them. Certain species can be useful indicators or "focal species" for determining the quality of ecosystem remnants and the required management practices. Tree squirrels are good models for studies on the effects of fragmentation because they depend on mature forests. The Big Cypress fox squirrel, (Sciurus niger avicennia), a state-listed Threatened subspecies endemic to south Florida, appears sensitive to habitat fragmentation and fire regime. This research aims to assess the conservation status of the Big …

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Determination Of The Degradation Mechanism For Polychlorinated Biphenyl Congeners Using Mechanically Alloyed Magnesium/Palladium, Robert Devor Jan 2008

Determination Of The Degradation Mechanism For Polychlorinated Biphenyl Congeners Using Mechanically Alloyed Magnesium/Palladium, Robert Devor

Electronic Theses and Dissertations

Polychlorinated biphenyls are a ubiquitous environmental contaminant that can be found today throughout the world in soils and sediments, lakes and rivers, and flora and fauna. PCBs have percolated throughout the food chain, so that almost every human being has a detectable amount of the contaminant within their blood stream. Existing remediation methods include incineration, dredging and landfilling, and microbial degradation, but all of these methods have drawbacks that limit their effectiveness as treatment options. Recently, the use of zero-valent metals as a means of reductive dechlorination has been explored. Using a combination of zero-valent magnesium and catalytic palladium, a …

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Using Stable Isotopes To Assess Population Structure And Feeding Ecology Of North Pacific Humpback Whales (Megaptera Novaeangliae), Briana Witteveen Jan 2008

Using Stable Isotopes To Assess Population Structure And Feeding Ecology Of North Pacific Humpback Whales (Megaptera Novaeangliae), Briana Witteveen

Electronic Theses and Dissertations

The North Pacific humpback whale (Megaptera novaeangliae) is a wide-ranging baleen whale species with a complex life history and population structure. As seasonal migrants, humpback whales are known to inhabit cooler, high-latitude waters when foraging and low-latitudes for mating and calving. Beyond this general migratory pattern, a number of demographic characteristics including, abundance, distribution, seasonal occurrence, and prey preferences remain unknown or poorly described. A complete understanding of humpback whale ecology is therefore lacking. Many methods used to explore these aspects of cetacean ecology are either prohibitively expensive or limited in the scope of what can be learned from their …

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The Spiritual Competency Scale: A Comparison To The Aservic Spiritual Competencies, Linda Robertson Jan 2008

The Spiritual Competency Scale: A Comparison To The Aservic Spiritual Competencies, Linda Robertson

Electronic Theses and Dissertations

Spiritual and religious beliefs are significant aspects of a person's worldview and have been well established within many disciplines as a resource for physical and mental health. Therefore, they are relevant topics for counselors. The governing bodies of the counseling profession support the discussion of these beliefs in counseling. To meet the ethical mandates for competency in this area, the Association for Spiritual, Ethical, and Religious Values in Counseling (ASERVIC) produced the Spiritual Competencies. Despite these efforts, spiritual and religious material continues to be neglected in counselor training programs. In the absence of a formal measure of spiritual competency, curricular …

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Educational Handheld Video: Examining Shot Composition, Graphic Design, And Their Impact On Learning, Jason Hutchens Jan 2008

Educational Handheld Video: Examining Shot Composition, Graphic Design, And Their Impact On Learning, Jason Hutchens

Electronic Theses and Dissertations

Formal features of video such as shot composition and graphic design can weigh heavily on the success or failure of educational videos. Many studies have assessed the proper use of these techniques given the psychological expectations that viewers have for video programming (Hawkins et al., 2002; Kenny, 2002; Lang, Zhou, Schwardtz, Bolls, & Potter, 2000; McCain, Chilberg, & Wakshlag, 1977; McCain & Repensky, 1972; Miller, 2005; Morris, 1984; Roe, 1998; Schmitt, Anderson, & Collins, 1999; Sherman & Etling, 1991; Tannenbaum & Fosdick, 1960; Wagner, 1953). This study examined formal features within the context of the newly emerging distribution method of …

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The Effects Of Informal Science Education On Students' Attitudes And Academic Performance, Samuel Ashley Jan 2008

The Effects Of Informal Science Education On Students' Attitudes And Academic Performance, Samuel Ashley

Electronic Theses and Dissertations

Will student attitudes towards science change when they are given a chance to explore an area of science in which they have indicated an interest? This action research thesis investigated this question over a period of nine weeks. The subjects of this study included twelve students enrolled in the same seventh grade physical science class. The school was located in a suburban setting in the Southeast United States. Data for this study was collected with anecdotal notes, participation grid, science attitude survey, student interviews, and student journals. This study found that when students are given the opportunity to pursue an …

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Cross-Modal Effects In Tactile And Visual Signaling, James Merlo Jan 2008

Cross-Modal Effects In Tactile And Visual Signaling, James Merlo

Electronic Theses and Dissertations

Using a wearable tactile display three experiments were conducted in which tactile messages were created emulating five standard US Army and Marine arm and hand signals for the military commands, namely: "Attention", "Halt", "Rally", "Move Out", and "Nuclear Biological or Chemical event (NBC)". Response times and accuracy rates were collected for novices responding to visual and tactile representations of these messages, which were displayed either alone or together in congruent or incongruent combinations. Results indicated synergistic effects for concurrent, congruent message presentations showing superior response times when compared to individual presentations in either modality alone. This effect was mediated by …

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Multimedia Computer-Based Training And Learning: The Role Of Referential Connections In Supporting Cognitive Learning Outcomes, Sandro Scielzo Jan 2008

Multimedia Computer-Based Training And Learning: The Role Of Referential Connections In Supporting Cognitive Learning Outcomes, Sandro Scielzo

Electronic Theses and Dissertations

Multimedia theory has generated a number of principles and guidelines to support computer-based training (CBT) design. However, the cognitive processes responsible for learning, from which these principles and guidelines stem from, are only indirectly derived by focusing on cognitive learning outcome differences. Unfortunately, the effects that cognitive processes have on learning are based on the assumption that cognitive learning outcomes are indicative of certain cognitive processes. Such circular reasoning is what prompted this dissertation. Specifically, this dissertation looked at the notion of referential connections, which is a prevalent cognitive process that is thought to support knowledge acquisition in a multimedia …

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Meshless Hemodynamics Modeling And Evolutionary Shape Optimization Of Bypass Grafts Anastomoses, Zaher El Zahab Jan 2008

Meshless Hemodynamics Modeling And Evolutionary Shape Optimization Of Bypass Grafts Anastomoses, Zaher El Zahab

Electronic Theses and Dissertations

Objectives: The main objective of the current dissertation is to establish a formal shape optimization procedure for a given bypass grafts end-to-side distal anastomosis (ETSDA). The motivation behind this dissertation is that most of the previous ETSDA shape optimization research activities cited in the literature relied on direct optimization approaches that do not guaranty accurate optimization results. Three different ETSDA models are considered herein: The conventional, the Miller cuff, and the hood models. Materials and Methods: The ETSDA shape optimization is driven by three computational objects: a localized collocation meshless method (LCMM) solver, an automated geometry pre-processor, and a genetic-algorithm-based …

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The Acute Toxicity Of Ground Recycled Automobile Tires On Aquatic Life With Model Species P. Promelas, Trillian Baldassari Jan 2008

The Acute Toxicity Of Ground Recycled Automobile Tires On Aquatic Life With Model Species P. Promelas, Trillian Baldassari

Electronic Theses and Dissertations

Used tires have the potential for becoming popular in pollution control media used in stormwater applications including pervious pavement sub bases, green roof growth media, and upflow filters. Using tire crumb to decrease nutrients can minimize impacts on ecology while reducing the human footprint left by used tires. However, if tire crumb is not examined for toxicity, the ecological balance could unknowingly be disrupted. This research tested the acute toxicity of tire crumb in aquatic systems by finding the Lethal Concentration for 50% kill (LC50). Using an extreme tire crumb load, P. promelas (fathead minnow) were exposed to leachates created …

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The Calibration And Verification Of Simulation Models For Toll Plazas, Christopher Russo Jan 2008

The Calibration And Verification Of Simulation Models For Toll Plazas, Christopher Russo

Electronic Theses and Dissertations

A great deal of research has been conducted on Central Florida toll roads to better understand the characteristics of the tolling operation. In this thesis, the development and calibration of a toll plaza simulation models will be analyzed using two simulation programs varying mostly in their modeling theory. The two models utilized are, SHAKER, a deterministic queuing model for vehicles utilizing toll collection facilities, and VISSIM, a globally popular stochastic simulation software. The benefits of simulation models leads to the purpose of this thesis, which is to examine the effectiveness of two toll modeling programs that are similar in purpose …

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Reducing Effluent Phosphorus And Nitrogen Concentrations From A Stormwater Detention Pond Using A Chamber Upflow Filter And Skim, Patrick Ryan Jan 2008

Reducing Effluent Phosphorus And Nitrogen Concentrations From A Stormwater Detention Pond Using A Chamber Upflow Filter And Skim, Patrick Ryan

Electronic Theses and Dissertations

Stormwater runoff is a known pollutant source capable of causing surface water degradation, especially in highly populated areas such as Central Florida. Wet detention ponds manage this stormwater, but most of the ponds do not remove enough nutrients, specifically nitrogen and phosphorus, to meet TMDL regulations. This research provides a possible addition to a detention pond in Seminole County, Florida using a Chamber Upflow Filter and Skimmer (CUFS), which can increase the removal of phosphorus and nitrogen by the system. Water enters the system through the skimmer, which floats on the surface of the detention pond. It travels from the …

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Semantic Video Retrieval Using High Level Context, Yusuf Aytar Jan 2008

Semantic Video Retrieval Using High Level Context, Yusuf Aytar

Electronic Theses and Dissertations

Video retrieval - searching and retrieving videos relevant to a user defined query - is one of the most popular topics in both real life applications and multimedia research. This thesis employs concepts from Natural Language Understanding in solving the video retrieval problem. Our main contribution is the utilization of the semantic word similarity measures for video retrieval through the trained concept detectors, and the visual co-occurrence relations between such concepts. We propose two methods for content-based retrieval of videos: (1) A method for retrieving a new concept (a concept which is not known to the system and no annotation …

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Automatic Generation Of Supply Chain Simulation Models From Scor Based Ontologies, Dayana Cope Jan 2008

Automatic Generation Of Supply Chain Simulation Models From Scor Based Ontologies, Dayana Cope

Electronic Theses and Dissertations

In today's economy of global markets, supply chain networks, supplier/customer relationship management and intense competition; decision makers are faced with a need to perform decision making using tools that do not accommodate the nature of the changing market. This research focuses on developing a methodology that addresses this need. The developed methodology provides supply chain decision makers with a tool to perform efficient decision making in stochastic, dynamic and distributed supply chain environments. The integrated methodology allows for informed decision making in a fast, sharable and easy to use format. The methodology was implemented by developing a stand alone tool …

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Appearance-Driven Material Design, Mark Colbert Jan 2008

Appearance-Driven Material Design, Mark Colbert

Electronic Theses and Dissertations

In the computer graphics production environment, artists often must tweak specific lighting and material parameters to match a mind's eye vision of the appearance of a 3D scene. However, the interaction between a material and a lighting environment is often too complex to cognitively predict without visualization. Therefore, artists operate in a design cycle, where they tweak the parameters, wait for a visualization, and repeat, seeking to obtain a desired look. We propose the use of appearance-driven material design. Here, artists directly design the appearance of reflected light for a specific view, surface point, and time. In this thesis, we …

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A Comparative Analysis Of Green Roof Designs Including Depth Of Media, Drainage Layer Materials, And Pollution Control Media, Matt Kelly Jan 2008

A Comparative Analysis Of Green Roof Designs Including Depth Of Media, Drainage Layer Materials, And Pollution Control Media, Matt Kelly

Electronic Theses and Dissertations

Population growth has lead to an increase in development and impervious areas in urban settings. Post-development conditions cause several problems for stormwater management such as limited space for stormwater storage systems and the conveyance of pollution picked up by runoff to near by water bodies. Green Roofs with cisterns have been shown to attenuate the peak flow of storm events and reduce the pollution load leaving a site and entering nearby water bodies. The purpose of this research is to expand the available research data on green roofs with cisterns by investigating the water quality and hydrology effects of different …

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The Development Of Loop-Based Cinematic Techniques In Twentieth Century Motion Pictures And Their Application In Early Digital C, David Scoma Jan 2008

The Development Of Loop-Based Cinematic Techniques In Twentieth Century Motion Pictures And Their Application In Early Digital C, David Scoma

Electronic Theses and Dissertations

For centuries, repetition in one form or another has been seen as a significant element in the artistic palette. In numerous formats of expression, duplication and looping became a significant tool utilized by artisans in a multitude of creative formats. Yet within the realm of film, the Griffith and Eisenstein models of cinematic editing techniques (as the most popular-- and near-monolithic--narrative aesthetic criteria) effectively disregarded most other approaches, including looping. Despite the evidence for the consistent use of repetition and looping in multiple ways throughout the course of cinematic history, some theorists and practitioners maintain that the influx of the …

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A Life Influenced By Marjorie Kinnan Rawlings, Ernest Wayne Bass Jan 2008

A Life Influenced By Marjorie Kinnan Rawlings, Ernest Wayne Bass

The Marjorie Kinnan Rawlings Journal of Florida Literature

No abstract provided.

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Poems: Palafax Road, Going For Honey, Gregory Byrd Jan 2008

Poems: Palafax Road, Going For Honey, Gregory Byrd

The Marjorie Kinnan Rawlings Journal of Florida Literature

No abstract provided.

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Vol Xvi (2008) Jan 2008

Vol Xvi (2008)

The Marjorie Kinnan Rawlings Journal of Florida Literature

No abstract provided.

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The Development Of A "Genetic Eyewitness" Profiling System For Low Template Forensic Specimens: Identification Of Novel Protein, Rna, And Dna Biomarkers, Erin Hanson Jan 2008

The Development Of A "Genetic Eyewitness" Profiling System For Low Template Forensic Specimens: Identification Of Novel Protein, Rna, And Dna Biomarkers, Erin Hanson

Electronic Theses and Dissertations

In many criminal investigations, valuable information regarding the physical appearance of suspected perpetrators or the time and order of events that transpired are provided by eyewitness accounts. However, the information obtained from eyewitnesses is often constrained by human recollection or subjective accounts and provides a biased description of the perpetrator's appearance or an inaccurate time line of events. Additionally, in numerous situations eyewitness accounts may not be available. An increasing reliance therefore is placed on the biological evidence recovered during criminal investigations to act as a silent witness, providing unbiased and scientific information that may aid in the resolution of …

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