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2007

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Culture-Independent Identification Of Gut Bacteria In Fourth-Instar Red Imported Fire Ant, Solenopsis Invicta Buren, Larvae, Albert Hon-Yu Lee Jan 2007

Culture-Independent Identification Of Gut Bacteria In Fourth-Instar Red Imported Fire Ant, Solenopsis Invicta Buren, Larvae, Albert Hon-Yu Lee

LSU Doctoral Dissertations

Red imported fire ants (RIFA), Solenopsis invicta Buren, are medical, urban, and agricultural pests from South America. Fourth-instar larvae are used by the colony to digest solid food and then regurgitate it for consumption by workers and queens. Larvae are an ideal source of investigations of obligate endosymbiotic bacteria possibly involved in nutrient distributions. I attempted to first identify what bacteria species are in the guts of larvae followed by antibiotic and microscopy work to further study their roles in the ants. The composition of the bacterial community in fire ant larvae was described with culture-independent methods utilizing 16S rDNA …

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Parenting Experiences Of Eastern European Immigrant Professionals In The U.S.: A Qualitative Study, Olena Nesteruk Jan 2007

Parenting Experiences Of Eastern European Immigrant Professionals In The U.S.: A Qualitative Study, Olena Nesteruk

LSU Doctoral Dissertations

In 2004, the nation’s foreign-born population numbered approximately 35 million comprising about 12% of the total U.S. population (U.S. Census Bureau, 2005). Most studies of immigrants primarily research the two largest immigrant groups, those from Latin America and Asia, while little has been done with the less visible population of immigrants from Eastern Europe. Also, we know much about the experiences of low-income immigrants of color, but little about the experiences of white immigrant families in the professional ranks. A qualitative study was conducted with immigrant professionals from Eastern Europe to explore their experiences with raising children in a new …

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Locally Derived Nonpoint Loading Estimates For The Boeuf River/Bayou Lafourche Watershed, Emerald Purser Roider Jan 2007

Locally Derived Nonpoint Loading Estimates For The Boeuf River/Bayou Lafourche Watershed, Emerald Purser Roider

LSU Doctoral Dissertations

There is currently a great demand for data and models that can be used to quantify nonpoint source pollutant loads from different land-use types. The Louisiana Department of Environmental Quality (LDEQ) is in the process of implementing management programs for impacted water bodies based on the Total Maximum Daily Load (TMDL) of a pollutant. Pollutants of concern include total suspended solids (TSS), nitrogen, and phosphorus. One of the key parameters in determining the TMDL of a water body is the nonpoint source pollutant load from different land-use types. To date, such load estimates in Louisiana are lacking. The primary objective …

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Comparing Kin And Non-Kin Foster Parents' Emotional Investment In Their Young Children, Rhonda Norwood Jan 2007

Comparing Kin And Non-Kin Foster Parents' Emotional Investment In Their Young Children, Rhonda Norwood

LSU Doctoral Dissertations

In 2003, there were reports of child maltreatment affecting over 5.5 million children in the United States. As a result of this epidemic, over 500,000 children are in foster care with an estimated additional 300,000 in voluntary kin placements. Because of a shortage of foster families and resources, Child Protective Services (CPS) agencies routinely seek and give priority to family members to serve as foster families to maltreated children. There is a large body of research that demonstrates that children in kinship care are often at greater risk than those children placed in non-kin foster homes, particularly in terms of …

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"Yes They're Out There": A Qualitative Study On Strong African American Marriages, Katrina D. Hopkins-Williams Jan 2007

"Yes They're Out There": A Qualitative Study On Strong African American Marriages, Katrina D. Hopkins-Williams

LSU Doctoral Dissertations

Much of the research that exists on Black marriage is usually from a deficit perspective and focuses on the decline of marriages among Black Americans. Even so, many Black families are marriage based and it is unfortunate that little research exists that focuses on understanding these families from a strength-based approach. It is important that we learn what constitutes the characteristics of strong Black marriages and families and learn how Black U.S. families differ from and are similar to Euro U.S. families. This study looked at the hows, whys, and processes of enduring and sustaining marriages in Black families. Black …

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Summer Fallow And In-Crop Weed Management Programs In Sugarcane (Saccharum Spp. Hybrids): Control Of Perennial Weeds And Purple Nutsedge (Cyperus Rotundus L.) Interference, Luke Moss Etheredge, Jr. Jan 2007

Summer Fallow And In-Crop Weed Management Programs In Sugarcane (Saccharum Spp. Hybrids): Control Of Perennial Weeds And Purple Nutsedge (Cyperus Rotundus L.) Interference, Luke Moss Etheredge, Jr.

LSU Doctoral Dissertations

In fallowed sugarcane fields, perennial weeds and sugarcane regrowth must be controlled to maximize productivity of sugarcane in the first production year. Isopropylamine salt of glyphosate applied in April at 1.68 kg ai/ha to 15 cm sugarcane provided 85% control 28 d after treatment (DAT). Control of sugarcane 56 DAT with isopropylamine and potassium salt formulations of glyphosate averaged 83% for 1.12 kg/ha. Bermudagrass control with glyphosate at 1.12 kg/ha was 86% 40 DAT and increased to 98% with a sequential application at 1.12 kg/ha. In comparing various combinations of tillage and glyphosate in summer fallow programs, bermudagrass ground cover …

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Vascular Function, Physical Performance And Aging, Devon Dobrosielski Jan 2007

Vascular Function, Physical Performance And Aging, Devon Dobrosielski

LSU Doctoral Dissertations

This is a series of three experiments with brachial artery flow-mediated dilation (BAFMD) as the major outcome variable. The first study examined the temporal response of the brachial artery diameter following forearm occlusion in sixteen young (28±8 years) and fifteen older (85±8 years) men. Following release of the pressure cuff there is a significant reduction in brachial diameter compared to baseline, followed by a rapid increase to a PEAK. When comparing the magnitude of the decrease in diameter and the BAFMD between Young and Old, older subjects demonstrated a blunted response. A significant relation was noted between the magnitude of …

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Casting Light Into "The Black Hole": Partisan Politics Of European Compliance, Isa Camyar Jan 2007

Casting Light Into "The Black Hole": Partisan Politics Of European Compliance, Isa Camyar

LSU Doctoral Dissertations

The main analytical concern of this project is to develop and use innovative theoretical and methodological tools to explain the compliance process in the European Union (EU). There are three major issues in the existing literature on EU compliance: lack of theoretical achievement, failure to adequately chart the domestic politics of EU compliance and underrealized potential of the Large-N Research design. This project addresses each of these issues. As far as the first and second issues are concerned, I identify the lack of a sustained dialogue with international relations and comparative politics as the main limitation of the existing literature. …

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Reforming Politics: The Covenant Device In Anglo-American Political Theory, Glenn A. Moots Jan 2007

Reforming Politics: The Covenant Device In Anglo-American Political Theory, Glenn A. Moots

LSU Doctoral Dissertations

This dissertation provides an historical and theoretical inquiry into “covenants” as a device within Anglo-American political theory. It includes an overview of Biblical covenants which are the source of the covenant device, together with an analysis of subsequent application by early modern and contemporary political theorists. I demonstrate that this revealed political theology, moderated by the political traditions of salus populi and natural law, provides support for contemporary political imperatives of liberty while avoiding both the terrors of gnostic political religion and the inevitable moral and political failure of natural political theology. The argument begins with an examination of contemporary …

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The Convergent Validity Of The Scale For The Evaluation And Identification Of Seizures, Epilepsy And Anticonvulsant Side Effects-B (Seizes-B), Kimberly Robin Michelle Smith Jan 2007

The Convergent Validity Of The Scale For The Evaluation And Identification Of Seizures, Epilepsy And Anticonvulsant Side Effects-B (Seizes-B), Kimberly Robin Michelle Smith

LSU Master's Theses

Prevalence rates of epilepsy in individuals with intellectual disability (ID) are much higher than in the general population. Although antiepileptic drug (AED) therapy is considered the first line of treatment, a significant number of individuals on AEDs still do not achieve total seizure control. Further, many individuals experience side effects (SE) from long-term AED use. The assessment of AED SE in individuals with ID and epilepsy is an important aspect of treatment. The present study focused on the Scale for the Evaluation and Identification of Seizures, Epilepsy, and Anticonvulsant Side Effects-B (SEIZES-B), developed to assess SE from AED use in …

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The Politics Of Improvement: Internal Improvements, Sectionalism, And Slavery In Mississippi 1820-1837, Sam Beardsley Todd Jan 2007

The Politics Of Improvement: Internal Improvements, Sectionalism, And Slavery In Mississippi 1820-1837, Sam Beardsley Todd

LSU Master's Theses

The increased consensus among historians that the emergence of a market revolution engendered widespread economic, political, and social changes throughout the second quarter of nineteenth-century America has brought a number of provocative questions to bear on the antebellum South. Among the most provocative is the assertion that during the 1830s, a strain of reform-minded southern planters took it upon themselves to integrate the regions subsistence farmers into the market economy. The historian Harry Watson has asserted that a small, but influential, group of southern planters sought to confront Dixie’s dilemma of pursuing a modern economy without cutting ties with the …

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Competency In Forensic Examinations: What Variables Predict Restoration?, Devan R. Guidry Jan 2007

Competency In Forensic Examinations: What Variables Predict Restoration?, Devan R. Guidry

LSU Master's Theses

Competency to Stand Trial (CST), also known as adjudicative competency, remains an important issue for both judicial and mental health systems, and much effort is invested in research designed to define, assess and determine what factors are most relevant for restoring CST. The purpose of this study was to provide information that might improve the ability to predict which individuals would eventually become competent. Archival data were reviewed for 79 inpatient defendants referred for competency restoration treatment. Although information was incomplete, comparisons were made between those who remained incompetent (IST; n =15) and those who were restored to competency (CST; …

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Protocol Development For Pro-Active Emergency Responses By Veterinary Clinics And Hospitals, Laura Marie Basirico Jan 2007

Protocol Development For Pro-Active Emergency Responses By Veterinary Clinics And Hospitals, Laura Marie Basirico

LSU Master's Theses

The Gulf Coast hurricanes of 2005 necessitated the development of a guidance document concerning emergency preparedness and response for veterinary clinics and hospitals. The aftermaths of the largest natural disasters in United States' history, namely Hurricanes Katrina and Rita, brought to light the need for a protocol designed specifically for veterinarians and veterinary practitioners. Disaster management information was synthesized and modified to be subject-specific for the veterinary community. This synthesis resulted in the creation of the Veterinary Emergency Preparedness and Response (VEPR) manual and website. Two types of data were collected to develop the emergency protocol; interviews with veterinarians and …

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Institutional Dynamics In It Markets: Extending The Concept Of Organizing Visions For It Innovations, Evgeny Kaganer Jan 2007

Institutional Dynamics In It Markets: Extending The Concept Of Organizing Visions For It Innovations, Evgeny Kaganer

LSU Doctoral Dissertations

The concept of organizing visions for IT innovations, introduced by Swanson and Ramiller, offers a valuable analytical lens to examine institutional dynamics underlying diffusion of complex information technology (IT) innovations at the inter-organizational level of analysis. Several aspects of the organizing vision framework, however, warrant further elaboration. In this thesis, two such aspects are addressed. First, the process of organizing vision production and evolution is elucidated in more detail and embedded in the broader context of industry meaning structures. To this end, a process-oriented model is presented delineating how the development of an organizing vision is enabled and constrained by …

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A Study Of Subsurface Vapor Intrusion From Exploration & Production Waste, Daniel Dawson Wascom Jan 2007

A Study Of Subsurface Vapor Intrusion From Exploration & Production Waste, Daniel Dawson Wascom

LSU Master's Theses

Expanding city growth is causing the inhabitants of Louisiana to move further into rural areas. Abandoned oil and gas production sites are being used for residential and light commercial purposes. This thesis will attempt to determine if known benzene levels in Exploration and Production (E&P) waste will be harmful to human health via subsurface vapor intrusion into the newly developed residential and light commercial structures. Louisiana does not currently regulate benzene during the closure of pits that contained E&P waste. Current pit closure techniques warrant testing for benzene Based on current Louisiana legislation, benzene contamination of groundwater is currently the …

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Carprofen Compromises The Integrity And Barrier Function Of The Colonic Mucosa Of The Dog, Catherine Alix Briere Jan 2007

Carprofen Compromises The Integrity And Barrier Function Of The Colonic Mucosa Of The Dog, Catherine Alix Briere

LSU Master's Theses

Effects of carprofen on colon of dog have not been investigated. Objectives 1) Measure conductance and permeability to mannitol of transverse, proximal descending and distal descending colonic mucosa of dog. 2) Measure conductance and permeability to mannitol of colonic mucosa of dog in presence of carprofen. Design In vitro experimental - nested, randomized block design Animals Colonic mucosa from 6 (objective 1) and 7 (objective 2) mature mixed-breed dogs. Methods Objective 1) Control - Three sections of mucosa from each region of colon were mounted in Ussing chamber units. Conductance was calculated every 15 min for 240 min. Flux of …

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Environmental Factors Influencing The Siting Of Temporary Housing In Orleans Parish, Philip J. Chandler Jan 2007

Environmental Factors Influencing The Siting Of Temporary Housing In Orleans Parish, Philip J. Chandler

LSU Master's Theses

The disaster in New Orleans due to Hurricane Katrina showcased the city's many environmental problems. The industrial history of the city, subsidence of the city causing it to be below sea-level, and the fact that the city is protected by levees and pumps were critical elements of the disaster and played a large role in the emergency response. The disaster led to an enormous emergency response by many entities, but the Federal Emergency Management Agency (FEMA) has the lead in these actions. In response to the large number of homes being flooded and unlivable in Orleans Parish, FEMA implemented its …

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The Influence Of Enrollment In Agriscience Education Courses On Student Achievement Of High School Students In Louisiana, Paul Joseph Theriot Jan 2007

The Influence Of Enrollment In Agriscience Education Courses On Student Achievement Of High School Students In Louisiana, Paul Joseph Theriot

LSU Doctoral Dissertations

The purpose of this study was to compare academic achievement of high school students in Louisiana by whether or not they are identified as an agriscience education student. The rationale for the study is to determine if agriscience education contributes to the academic achievement of high school students. The Louisiana Educational Assessment Program (LEAP) Graduate Exit Exams were used to measure academic achievement. All graduate exit exam test scores for the 2004-2005 school year were utilized for the study. The data for this study came from the Louisiana Department of Education. The study described all 10th and 11th grade students …

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Analysis Of The Impact Of Fish Imports On Domestic Crawfish Prices And Economic Welfare Using Inverse Demand Systems, Young-Jae Lee Jan 2007

Analysis Of The Impact Of Fish Imports On Domestic Crawfish Prices And Economic Welfare Using Inverse Demand Systems, Young-Jae Lee

LSU Doctoral Dissertations

This study is mainly intended to determine quantitatively the economic effects of crawfish imports on the domestic crawfish industry. Inverse demand systems are used to estimate the price and scale flexibility as an indicator for the effects of imports on crawfish domestic price. A variety of algebraic forms for empirical consumer allocation models have been developed. Economic theory, however, does not provide the necessary fundamental criteria to choose ex ante among the alternative specifications. Bartern (1993) and Brown, Lee, and Seale (1995) examined a family of inverse demand systems, showing that the integrated demand system, in its own right, has …

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Revelations From "Cheesecake Manor": Agatha Christie, Detective Fiction, And Interwar England, Carron Stewart Fillingim Jan 2007

Revelations From "Cheesecake Manor": Agatha Christie, Detective Fiction, And Interwar England, Carron Stewart Fillingim

LSU Master's Theses

For too long standard interwar histories have portrayed the interwar years as a period marked by failure, instability, depression, and volatility. Instead, rising living standards, the narrowing of socioeconomic disparities, expanded avenues of social welfare, increased leisure time, and mass consumerism resulted in an altogether peaceful, healthier, stable, and increasingly affluent England. Out of these rising economic improvements emerged forms of mass entertainment, including popular fiction. Cheaper paper and printing methods, rising literacy, faster distribution methods, new forms of advertising, and the expansion of public libraries led to the creation of a mass readership across England. For the first time, …

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Assessing Physical Function In Bilateral And Unilateral Total Knee Arthroplasty Patients., Tiina Tuulia Garrison Jan 2007

Assessing Physical Function In Bilateral And Unilateral Total Knee Arthroplasty Patients., Tiina Tuulia Garrison

LSU Doctoral Dissertations

The general objective of this dissertation was to investigate physical function in osteoarthritis (OA) and total knee replacement (TKA) patients. First, a validation study was performed to evaluate the validity of the Continuous Scale Physical Functional Performance (CS-PFP10) test in knee OA awaiting TKA. The CS-PFP10 scores were compared to the Western Ontario and McMaster Universities OA Index (WOMAC), The Knee Society’s Clinical Rating System (KSS), and the Short Form 36-item health survey (SF-36) physical function scores. It was hypothesized that at least moderate associations between the CS-PFP10 test scores and the WOMAC, KSS, and SF-36 scores in TKA candidates …

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Aconitic Acid From Sugarcane: Production And Industrial Application, Nicolas Javier Gil Zapata Jan 2007

Aconitic Acid From Sugarcane: Production And Industrial Application, Nicolas Javier Gil Zapata

LSU Doctoral Dissertations

Trans aconitic acid (TAA) is the predominant organic acid in cane leaf matter (CLM) juice. Its concentration is three to six times higher than the level found in sugarcane stalks. The variation of composition in terms of total fermentable sugars (TFS), anions, and cations of the LCP85-384 sugarcane variety during 2003-2006 seasons, as well as the ripener (Polado-L®) effect were analyzed. TAA content ranged between 2.1-3.1 kg / t CLM. The TFS in CLM juice yielded a fermentation efficiency of 92%, four points lower than with sugar molasses. Liquid-liquid extraction (LLE), solid-liquid extraction and ion exchange were evaluated for the …

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Role Of Heparanase And Heparanase-Degraded Heparan Sulfate In Brain-Metastatic Melanoma, Madhuchhanda Roy Jan 2007

Role Of Heparanase And Heparanase-Degraded Heparan Sulfate In Brain-Metastatic Melanoma, Madhuchhanda Roy

LSU Doctoral Dissertations

Cancer metastasis is a frequent manifestation of malignant melanoma progression. Successful invasion into distant organs by tumor cells must include attachment to microvessel endothelial cells, and degradation of extracellular matrix. Heparan sulfate proteoglycans are ubiquitous macromolecules associated with cell surface and extracellular matrix of a wide range of cells and tissues. Heparanase is an extracellular matrix degradative enzyme which degrades the heparan sulfate chains of heparan sulfate proteoglycans. To investigate effects of changes in heparanase gene expression in metastatic melanoma cells, we constructed adenoviral vectors containing the full-length human heparanase cDNA in both sense (Ad-S/hep) and anti-sense orientations (Ad-AS/hep). We …

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Alphabetic And Phonemic Awareness In Toddlers, Pamela A. Terrell Jan 2007

Alphabetic And Phonemic Awareness In Toddlers, Pamela A. Terrell

LSU Doctoral Dissertations

The ability of 20-24 month-old toddlers to recognize graphemes and phonemes was investigated by reading a Phonic Faces (PF) alphabet picture book. Phonic Faces iconically picture a letter in the mouth of a character producing the sound (the curve of the P looks like the top lip popping the /p/ sound). The book was composed of nine letters and was read individually to experimental subjects three times weekly for six weeks. The control group received no treatment, but engaged in individual play activities for comparable time. Following six-weeks the groups alternated so the former control group now received the alphabet …

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Detoxification Of Selected Chloro-Organics By Oxidation Technique Using Chelate Modified Fenton Reaction, Yongchao Li Jan 2007

Detoxification Of Selected Chloro-Organics By Oxidation Technique Using Chelate Modified Fenton Reaction, Yongchao Li

University of Kentucky Doctoral Dissertations

The use of hydroxyl radical based reaction (Fenton reaction) for the destruction of organic pollutants has been widely reported in the literature. However, the low pH requirement and rapid hydrogen peroxide consumption rate make the application of conventional Fenton reaction difficult for in-situ treatment. In this study, we conducted a modified Fenton reaction by introducing a chelating agent into the reaction system that could prevent Fe(OH)3 (s) precipitation even at a neutral pH condition and reduce the H2O2 consumption rate by controlling the Fe2+ concentration. A chelating agent (mono-chelate or poly-chelate) combines with Fe2+ or Fe3+ to form stable metal-chelate …

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Rural Care Registered Nurses' Interpretation Of Health Literacy And Its Effect On Patient Care, Brenda Matzke Jan 2007

Rural Care Registered Nurses' Interpretation Of Health Literacy And Its Effect On Patient Care, Brenda Matzke

LSU Doctoral Dissertations

The purpose of this phenomenological qualitative study was to describe rural care Registered Nurses’ interpretation of health literacy and its effect on patient care. Individuals who do not understand their disease and have poor management skills are at risk for low health literacy. The consequences of limited health literacy are poor healthcare outcomes and higher healthcare costs. Implications from this study are useful in educating practicing Registered Nurses in the development of the necessary skills to empower patients to actively participate in their healthcare. Education about health literacy should begin in grades Kindergarten through 12th, with the primary focus being …

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Influences Of Chromium (Iii) Picolinate On Pigs Under Thermal, Immune Or Dietary Stress, And On Adrenal Steroid Secretion, Beob Gyun Kim Jan 2007

Influences Of Chromium (Iii) Picolinate On Pigs Under Thermal, Immune Or Dietary Stress, And On Adrenal Steroid Secretion, Beob Gyun Kim

University of Kentucky Doctoral Dissertations

The objectives were to investigate the effects of chromium (III) picolinate (CrPic; up to 2,000 ppb of Cr) on growing pigs subjected to a variety of stressors including thermal, immune, or dietary stress and to examine the effects of CrPic on steroidogenesis from adrenocortical cells. In the thermal stress study, high ambient temperature caused reduced weight gain and feed consumption (P andlt; 0.01), and low ambient temperature caused increased feed intake and feed:gain (P andlt; 0.01). However, these effects were not moderated by CrPic, and respiratory rate, plasma cortisol, or plasma glucose were unaffected by CrPic. In the immune stress …

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Elementary Reactions Involved In Pollutant-Forming Mechanisms, Cheri Ann Mcferrin Jan 2007

Elementary Reactions Involved In Pollutant-Forming Mechanisms, Cheri Ann Mcferrin

LSU Doctoral Dissertations

The reactions of the hydroxyl radical (OH) with molecular chlorine (Reaction 1), methane (Reaction 2), and propane (Reaction 3) have been studied experimentally using a pulsed laser photolysis/pulsed-laser-induced fluorescence technique over wide ranges of temperatures (297-826, 298-1009, and 296-908 K, respectively) and at pressures between 6.68 and 24.15 kPascals. The rate coefficients for these reactions exhibit no dependence on pressure and exhibit positive temperature dependences that can be represented with modified three-parameter Arrhenius expressions within their corresponding temperature ranges: k1 = 3.59 x 10-16T1.35exp(-745K/T)cm3molecule-1sec-1, k2 = 3.82 x 10-19T2.38 exp(-1136K/T)cm3molecule-1sec-1, and k3 = 6.64 x 10-16T1.46 exp(-271K/T)cm3molecule-1sec-1. For the OH …

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Understanding Students' Motivation In Physical Education: Integration Of Expectancy-Value Model And Self-Efficacy Theory, Zan Gao Jan 2007

Understanding Students' Motivation In Physical Education: Integration Of Expectancy-Value Model And Self-Efficacy Theory, Zan Gao

LSU Doctoral Dissertations

The purpose of this dissertation was to integrate the expectancy-value model of achievement choice and self-efficacy theory among middle school students, with the goal of better understanding students’ motivational beliefs and the factors that influence these beliefs. Three quantitative studies were conducted to address this purpose. In study 1, the expectancy-value model constructs (expectancy-related beliefs and subjective task values) and self-efficacy theory constructs (self-efficacy and outcome expectancy) were measured in a sample of 225 students and were used to predict students’ in-class activity levels during a 2-week follow-up. Results of path analyses yielded that the hypothesized model fit the data …

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Integration-Regulation And Rural Suicide: A Test Of Three Alternative Models, Russell R. Davis Jan 2007

Integration-Regulation And Rural Suicide: A Test Of Three Alternative Models, Russell R. Davis

LSU Doctoral Dissertations

This dissertation is an examination of the social structural determinants of rural suicide rates. Examining rates of white male suicide in rural and urban counties of the U.S. Gulf States Region, this research adds to the existing literature by examining the theoretical and empirical implications of rural-urban location within sociology's Integration-Regulation Hypothesis of Suicide. Drawing upon suicide research from sociology, criminology and social psychology this study tests the differential explanatory power of three alternative theoretical and empirical predictor models of rural and urban suicide rates. Overall findings from this study underscore the need to examine suicide rates as distinct outcomes …

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