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1999

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Natalie Vivian Scott: The Origins, People And Times Of The French Quarter Renaissance (1920-1930)., John Wyeth Scott Ii Jan 1999

Natalie Vivian Scott: The Origins, People And Times Of The French Quarter Renaissance (1920-1930)., John Wyeth Scott Ii

LSU Historical Dissertations and Theses

This is the interwoven story of Natalie Vivian Scott, war hero, author, adventurer and humanitarian, and the French Quarter Renaissance during the 1920s, when Natalie Scott was a vital member of the talented coterie of writers and artists whose talents prospered there, including Sherwood Anderson, William Faulkner, William Spratling, Lyle Saxon, Roark Bradford, Oliver La Farge, John Dos Passos, Hamilton Basso, Meigs Frost, among others. This work's premise is that the decayed, crumbling French Quarter, falling into irreversible decline, was saved during the early 1920s by an outburst of local creativity and organizational energy that inspired restoration and a unique, …

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Inequalities Between Pythagoras Numbers And Algebraic Ranks In Witt Rings Of Fields., Sidney Taylor Hawkins Jan 1999

Inequalities Between Pythagoras Numbers And Algebraic Ranks In Witt Rings Of Fields., Sidney Taylor Hawkins

LSU Historical Dissertations and Theses

This dissertation establishes new lower bounds for the algebraic ranks of certain Witt classes of quadratic forms. Let K denote a field of characteristic different from 2 and let q be a quadratic form over K. The form q is said to be algebraic when q is Witt equivalent to the trace form qL∣K of some finite algebraic field extension L∣K . When q is algebraic, the algebraic rank of q is defined to be the degree of the minimal extension L∣K whose trace form is Witt equivalent to q. It is an important, unsolved problem to find reasonable bounds …

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Nonaxisymmetric Equilibrium Models For Gaseous Galaxy Disks., Paul Fisher Jan 1999

Nonaxisymmetric Equilibrium Models For Gaseous Galaxy Disks., Paul Fisher

LSU Historical Dissertations and Theses

Three-dimensional hydrodynamic simulations show that, in the absence of self-gravity, an axisymmetric, gaseous galaxy disk whose angular momentum vector is initially tipped at an angle i0 to the symmetry axis of a fixed spheroidal dark matter halo potential does not settle to the equatorial plane of the halo. Instead, the disk settles to a plane that is tipped at an angle a = arctan [ q2 tan i0] to the equatorial plane of the halo, where q is the axis ratio of the halo equipotential surfaces. The equilibrium configuration to which the disk settles appears to be flat but it …

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Studies On Cyclooxygenase-2 Expression In Lipopolysaccharide-Stimulated Macrophages., Byeong Churl Jang Jan 1999

Studies On Cyclooxygenase-2 Expression In Lipopolysaccharide-Stimulated Macrophages., Byeong Churl Jang

LSU Historical Dissertations and Theses

Cyclooxygenase (COX) is the key enzyme in the biosynthesis of prostaglandins (PGs) known as pro-inflammatory mediators. COX has two isoforms: the constitutively expressed COX-1 and the mitogen-inducible COX-2. It has been demonstrated that COX-2 expression is selectively induced by lipopolysaccharide (LPS) treatment after several hours in rat alveolar macrophages (Lee et al., 1992; Chanmugam et al., 1995). The mitogen-activated protein kinases [MAPKs; extracellular signal-regulated kinases (ERKs), P38, and c-jun N-terminal kinases (JNKs)], nuclear factor kappa B (NF-kB), and Lyn kinase are known to be activated in the early stages (within minutes) of LPS signaling pathways. In the current study, the …

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Barium In Water And Foraminiferal Shells: Indicator Of Oceanographic Conditions In The Gulf Of Mexico Since The Late Pleistocene., Thomas Peter Buerkert Jan 1999

Barium In Water And Foraminiferal Shells: Indicator Of Oceanographic Conditions In The Gulf Of Mexico Since The Late Pleistocene., Thomas Peter Buerkert

LSU Historical Dissertations and Theses

The Gulf of Mexico offers an appropriate setting for studying the chemical dynamics at the continent-ocean interface. In addition, its sediments preserve the climatic records of the past. This study employs Ba as a tracer to examine several aspects of modern Gulf oceanographic processes and seeks to unravel Gulf paleoceanography using Ba/Ca ratios from fossil foraminiferal shells. Comparison of dissolved Ba in the Mississippi and Atchafalaya River mixing zones suggests different Ba distributions can occur as a result of hydrodynamic and morphologic variability. Rapid Ba desorption from suspended material occurs near the Mississippi River, while Ba input from the shallow …

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Ernest Renan And The Question Of Race., Jane Victoria Dagon Jan 1999

Ernest Renan And The Question Of Race., Jane Victoria Dagon

LSU Historical Dissertations and Theses

Racism in France can be traced back to the 1560's when the nobles claimed to be of a separate race in order to obtain special rights and privileges. Soon after in the seventeenth century, scientists started to classify humans according to physical features. With the increase in travel, the slave trade, the fear of the unknown and the fear of contamination, these factors along with physiognomy and phrenology encouraged "biological racism." During the second half of the nineteenth century, Ernest Renan (1823--1892) denounces biological racism and the existence of the so-called "pure races." He is also the first dramatist to …

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Design Recovery And Data Mining: A Methodology That Identifies Data-Cohesive Subsystems Based On Mining Association Rules., Carlos Montes De Oca Jan 1999

Design Recovery And Data Mining: A Methodology That Identifies Data-Cohesive Subsystems Based On Mining Association Rules., Carlos Montes De Oca

LSU Historical Dissertations and Theses

Software maintenance is both a technical and an economic concern for organizations. Large software systems are difficult to maintain due to their intrinsic complexity, and their maintenance consumes between 50% and 90% of the cost of their complete life-cycle. An essential step in maintenance is reverse engineering, which focuses on understanding the system. This system understanding is critical to avoid the generation of undesired side effects during maintenance. The objective of this research is to investigate the potential of applying data mining to reverse engineering. This research was motivated by the following: (1) data mining can process large volumes of …

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Precursors For Chemical And Photochemical Vapor Deposition Of Copper Metal., Alicia Marie James Jan 1999

Precursors For Chemical And Photochemical Vapor Deposition Of Copper Metal., Alicia Marie James

LSU Historical Dissertations and Theses

The colorless square-planar cluster [CuN(SiMe3)2] 4, which contains four Cu(I) ions with four bridging amide groups, was studied as a precursor for chemical and photochemical vapor deposition of Cu metal. The cluster phosphoresces in CH2Cl2 solution and in the solid state at room temperature. Its electronic spectrum in CH 2Cl2 consists of two intense bands which are assigned to symmetry-allowed 3d → 4p transitions; the phosphorescence is also likely to be metal-centered. Solid [CuN(SiMe3)2]4 luminesces with approximately the same spectrum as that of the CH2Cl2 solutions. At 77 K, the solid-state luminescence red-shifts slightly. The emission lifetime in glassy Et2O …

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Metals Release From Freshwater And Estuarine Sediments In Thin-Disk Leaching Columns., Tommy Eldridge Myers Jan 1999

Metals Release From Freshwater And Estuarine Sediments In Thin-Disk Leaching Columns., Tommy Eldridge Myers

LSU Historical Dissertations and Theses

Column leaching tests were conducted on two freshwater sediments and two estuarine sediments. Leachate samples were analyzed for total organic carbon (TOC), cadmium, chromium, copper, iron, manganese, lead, nickel, and zinc. Metal and TOC elution curves for freshwater sediments were fundamentally different from estuarine sediment elution curves. The difference was due to colloid-facilitated transport of metals and TOC in estuarine sediments that was caused by salt washout during leaching with distilled-deionized water. Metals and TOC concentrations in freshwater sediment leachates tended to monotonically decrease from initial pore water concentrations. Leaching of metals and TOC from freshwater sediments was modeled with …

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Interactions On Minerals And Organic Materials Along The Salinity Gradient In Barataria Basin, Louisiana., Jessica Anne Kastler Jan 1999

Interactions On Minerals And Organic Materials Along The Salinity Gradient In Barataria Basin, Louisiana., Jessica Anne Kastler

LSU Historical Dissertations and Theses

Changes in the associations among mineral and organic materials in estuaries may control the nature and quantity of organic material (OM) preserved in sediment deposits or cycled in the water column. Estuarine sediment-OM attachments were examined using descriptive analyses and experiments to assess their response to salinity changes and the bioavailability of sedimentary OM. Desorption experiments compared the amount of organic carbon extracted from sediment in rinses of different salinity. Uptake experiments monitored changes in carbon and bacteria concentrations to compare the bioavailability of dissolved and sedimentary OM. Clay mineralogy, surface area and elemental analysis of suspended and deposited sediment …

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Holding Back The Waters: Land Development And The Origins Of Levees On The Mississippi, 1720-1845., Jeffrey Alan Owens Jan 1999

Holding Back The Waters: Land Development And The Origins Of Levees On The Mississippi, 1720-1845., Jeffrey Alan Owens

LSU Historical Dissertations and Theses

Man's efforts to control flooding on the Mississippi began about 280 years ago, but the first 130 years has been neglected in scholarly literature. In spite of abundant primary sources, most histories of flood control on the Mississippi revolve around hydraulic engineering and the contributions of state and federal levee bureaucracies---factors which had almost no impact on the creation of the levee system. Engineers did install the first levee at New Orleans and levees on their own plantations in the 1720s, but the extension of the levee line thereafter was almost entirely the work of private land developers supervised at …

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Weierstrass Pairs And Minimum Distance Of Goppa Codes., Gretchen L. Matthews Jan 1999

Weierstrass Pairs And Minimum Distance Of Goppa Codes., Gretchen L. Matthews

LSU Historical Dissertations and Theses

We prove that elements of the Weierstrass gap set of a pair of points may be used to define a geometric Goppa code that has minimum distance greater than the usual lower bound. We determine the Weierstrass gap set of a pair of any two Weierstrass points on a Hermitian curve and use this to increase the lower bound on the minimum distance of certain codes defined using a linear combination of the two points. In particular, we obtain some two-point codes on a Hermitian curve that have better parameters than the one-point code on this curve with the same …

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How Does Undergraduate College Biology Students' Level Of Understanding, In Regard To The Role Of The Seed Plant Root System, Relate To Their Level Of Understanding Of Photosynthesis?, James Gicheha Njeng'ere Jan 1999

How Does Undergraduate College Biology Students' Level Of Understanding, In Regard To The Role Of The Seed Plant Root System, Relate To Their Level Of Understanding Of Photosynthesis?, James Gicheha Njeng'ere

LSU Historical Dissertations and Theses

This research study investigated how undergraduate college biology students' level of understanding of the role of the seed plant root system relates to their level of understanding of photosynthesis. This research was conducted with 65 undergraduate non-majors biology who had completed 1 year of biology at Louisiana State University in Baton Rouge and Southeastern Louisiana University in Hammond. A root probe instrument was developed from some scientifically acceptable propositional statements about the root system, the process of photosynthesis, as well as the holistic nature of the tree. These were derived from research reviews of the science education and the arboriculture …

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The Role Of Financial Aid Counseling In Students' Understanding Of Student Loan Management., Julia Young Porter Jan 1999

The Role Of Financial Aid Counseling In Students' Understanding Of Student Loan Management., Julia Young Porter

LSU Historical Dissertations and Theses

This exploratory research study examined public university students' perceptions about their own loan debt management knowledge and about the counseling practices used to prepare them for their loan responsibilities. From the target population of all students enrolled at Louisiana State University during the Spring 1999 Semester, a systematic random sample was selected. Of the 1,204 students who participated in the study, 433 had loans. The 34-question survey instrument included 11 demographic characteristic questions and 1 open-ended question asked of all respondents. Two additional demographic questions and 20 perception statements about the loan process were asked of loan recipients. This study …

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Progressive Civic Development And Political Conflict: Regular Democrats And Reformers In New Orleans, 1896-1912., Robert Louis Dupont Jan 1999

Progressive Civic Development And Political Conflict: Regular Democrats And Reformers In New Orleans, 1896-1912., Robert Louis Dupont

LSU Historical Dissertations and Theses

The 1896 elections in Louisiana produced a Regular Democrat as governor, but a reform government within New Orleans. The turbulence of the Populist era led to the unification of political factions behind disfranchisement of blacks and a narrowing of the electorate. In spite of attempts to make their triumph permanent, New Orleans reformers gave way to a resurgent Regular Democratic organization, the Choctaw Club, which dominated city politics for the first half of the twentieth century. Mayors Paul Capdevielle and Martin Behrman successfully led the city in an era of commercial expansion, public works, and municipal reform. That leadership persisted …

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The Names Project Aids Memorial Quilt: A Novelistic Approach To Decoding The Layers Of Meaning In The "Pieced" Social Drama., Louis Edward Myers Jan 1999

The Names Project Aids Memorial Quilt: A Novelistic Approach To Decoding The Layers Of Meaning In The "Pieced" Social Drama., Louis Edward Myers

LSU Historical Dissertations and Theses

In this study, I focus on the AIDS crisis as a social drama, and evaluate the various functions the AIDS Memorial Quilt plays within that drama. Using Victor Turner's concept of social drama I first discuss the breach, crisis, redression, and reintegration stages. I identify two fundamental breaches in the AIDS drama---the health breach and the moral/religious breach. As regards the crisis phase of the drama, I identify specific crisis performers and performances. Although many attempts were made at redression, I conclude that most attempts were not successful as redressive acts. Rather than "solve" or "set straight" particular issues within …

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A Troublesome Commerce: The Interstate Slave Trade, 1808-1840., Robert Harold Gudmestad Jan 1999

A Troublesome Commerce: The Interstate Slave Trade, 1808-1840., Robert Harold Gudmestad

LSU Historical Dissertations and Theses

The interstate slave trade grew from a haphazard and intermittent enterprise in the early years of the nineteenth century to a central aspect of southern society. With the decline of the international trade and the decline of white migration to the frontier, southerners turned to the trade to supply their labor needs. Farmers in the Chesapeake region increasingly sold their "excess" bondservants to slave traders. These speculators brought a measure of systemization and regularity to the trade. As they did so, however, a significant number of Upper South citizens questioned the trade's efficacy. The wanton exploitation and naked cruelty of …

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An Evaluation Of Noncontingent Reinforcement Effects As A Function Of Baseline Reinforcement Schedules., Joel Eric Ringdahl Jan 1999

An Evaluation Of Noncontingent Reinforcement Effects As A Function Of Baseline Reinforcement Schedules., Joel Eric Ringdahl

LSU Historical Dissertations and Theses

An evaluation of fixed-time (FT) schedules and extinction was conducted with children who had mild to severe developmental disabilities. The principal research question was: Does the similarity between baseline (i.e., response-dependent) and FT reinforcement rates make behavior resistant to change? During Phase I for each of 13 participants, a reinforcer assessment was conducted. Those individuals for whom a reinforcement effect was demonstrated continued to Phase II. During Phase II, the effects of FT schedules with either similar or dissimilar reinforcer rates (relative to a response-dependent baseline) and extinction were assessed for each participant. Results suggested that both extinction and FT …

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Women's Voices In Education: Two Jamaican Life Histories., Ethel L. King-Mckenzie Jan 1999

Women's Voices In Education: Two Jamaican Life Histories., Ethel L. King-Mckenzie

LSU Historical Dissertations and Theses

The main purpose of this study is to recover the marginalized voices of women educators in Jamaica by turning their oral life histories into text. It was not possible to interview all women educators in Jamaica so I have used the life histories of two women who were the 'first' women to take positions in educational leadership in two spheres that were once male dominated. Both women have made it to the zenith of the education profession. These women relate their life experiences and the meanings they give to their work as educators. Women have always played important roles in …

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Situational Frequency And Retrieval: The Effect Of Revelation On The Judgments For Occurrence Of Events., Craig Barton Neely Jan 1999

Situational Frequency And Retrieval: The Effect Of Revelation On The Judgments For Occurrence Of Events., Craig Barton Neely

LSU Historical Dissertations and Theses

Only one prior experiment has examined the effect of revelation on situational frequency judgments (Exp. 3, Greene, 1996). In the current study, three experiments examined the effect of revelation on frequency estimation. Experiment 1A and 1B replicated and extended the study done by Greene (1996) by increasing the frequencies of study items from one to eight in both a random (1A) and blocked (1B) design. Experiment 2 examined the relation between the frequency of study items and the degree of distortion of the items revealed at test. A significant effect of revelation was found across frequencies for the three revealed …

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Discriminative Validity Of The Wide-Range Assessment Of Memory And Learning (Wraml) With Children With And Without Attention-Deficit/Hyperactivity Disorder (Adhd)., Heather Brewis Scheffler Jan 1999

Discriminative Validity Of The Wide-Range Assessment Of Memory And Learning (Wraml) With Children With And Without Attention-Deficit/Hyperactivity Disorder (Adhd)., Heather Brewis Scheffler

LSU Historical Dissertations and Theses

The present study examined the discriminative validity of the Wide Range Assessment of Memory and Learning (WRAML), using the individual subscales, original indexes, and a factor structure proposed by Burton, Donders, and Mittenberg (1996) that includes an Attention factor. The sample consisted of 57 non-learning disordered children who were enrolled in the first through the seventh grade and met criteria for Attention-Deficit/Hyperactivity Disorder (ADHD) and 62 Control children. The groups were matched by age, race, SES, and estimated intellectual ability. Group comparisons by MANCOVA revealed that, after controlling for the effects of math and reading achievement, differences between the groups …

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Chromosomal Location Of Genes For Leafiness (Lfy1) And Susceptibility To Nicosulfuron (Nsf1) In Maize Genome., Orlando Jose Moreno Jan 1999

Chromosomal Location Of Genes For Leafiness (Lfy1) And Susceptibility To Nicosulfuron (Nsf1) In Maize Genome., Orlando Jose Moreno

LSU Historical Dissertations and Theses

Genes that may confer resistance to diseases, tolerance to plant stress, good stalk quality, high yield potential and/or other desirable attributes are important. The leafy gene (Lfy1Lfy1) discovered in 1971 in maize (Zea mays L.) is known to produce much higher yields in hybrids that possess it. These hybrids suffer much less stalk lodging than those with the non-leafy (lfy1 lfy1) gene. The location of the leafy gene to a chromosome arm could facilitate both its transfer from one genotype to another and its use in linkage studies and aid in completing the maize linkage map. The purpose of this …

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Effects Of Low-Oxygen Atmosphere On The Growth And Development Of Arabidopsis Thaliana (L.) Heynh., Katrina Maria Ramonell Jan 1999

Effects Of Low-Oxygen Atmosphere On The Growth And Development Of Arabidopsis Thaliana (L.) Heynh., Katrina Maria Ramonell

LSU Historical Dissertations and Theses

Interest in the improvement of crop productivity through repression of photorespiration led to experimental growth of plants in low O2 and the surprising finding that reproduction is inhibited under these conditions. Using Arabidopsis thaliana (L.) Heynh. cv. Columbia, studies were undertaken to understand the mechanism behind oxygen control of plant development. The hypothesis that developmental changes observed in low O 2 are due to repression of the plant hormones ethylene and brassinolide (which require O2 for biosynthesis) was tested. Arabidopsis was grown for 35 days in Sun bags in one of five altered O 2 atmospheres (210, 160, 100, 50, …

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A Critical Analysis Of Gender And The Role Of The Research Assistantship In Development Of Higher Education Faculty., Stephen Charles Scott Jan 1999

A Critical Analysis Of Gender And The Role Of The Research Assistantship In Development Of Higher Education Faculty., Stephen Charles Scott

LSU Historical Dissertations and Theses

This research is a mixed model study that explores the relationship between the research assistantship and development as a researcher for individuals serving as professors of higher education in Research I institutions. Also of interest in this research are the ways that research assistantship experiences vary based on gender and other identity characteristics such as rank, age, and race. Critical inquiry is used as the theoretical framework for this study given that it incorporates the use of both quantitative and qualitative means of data collection. A major quantitative finding from this study demonstrates that there were significant differences in the …

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A Description And Analysis Of The Scholarly Response Paper As An Academic Genre: Determining How Linguistic, Social, And Psychological Variables Affect Its Success/Failure And The Professional Credibility Of Its Author., Lynna Dunn Peneguy Jan 1999

A Description And Analysis Of The Scholarly Response Paper As An Academic Genre: Determining How Linguistic, Social, And Psychological Variables Affect Its Success/Failure And The Professional Credibility Of Its Author., Lynna Dunn Peneguy

LSU Historical Dissertations and Theses

The study of various documents and genres within professional discourse communities can provide valuable insight into what does or does not constitute successful written communication within such groups. The primary purpose of the current study was to examine scholarly response papers published in five different "English" journals in order to (1) define and describe the scholarly response paper and (2) explore various theories/rules/studies which could be used to gauge its success: in this case, Grice's Maxims, studies of semantic (denotative and evaluative) verb force, Lakoff's Rules of Politeness, and studies of language intensity. Findings showed that the primary purpose of …

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Behavior Of Bensulfuron-Methyl As Affected By Soil Factors And Rice Management Aspects., Randall Otto Wilde Jan 1999

Behavior Of Bensulfuron-Methyl As Affected By Soil Factors And Rice Management Aspects., Randall Otto Wilde

LSU Historical Dissertations and Theses

Multi-source regression models describing the control of alligatorweed with bensulfuron-methyl as influenced by rate and temperature were developed under field conditions. Temperature models describing the activity of bensulfuron-methyl at 21 to 84 g ai/ha on alligatorweed were linear 7 days after treatment (DAT) and quadratic 14 and 28 DAT. At 7 and 14 DAT, a minimum average temperature of 14 C was required for bensulfuron-methyl activity on alligatorweed. The temperatures for optimal alligatorweed control with bensulfuron-methyl at 14 DAT ranged from 21 to 24 C with rates of 21 to 84 g/ha. Temperatures for optimal alligatorweed control with bensulfuron-methyl at …

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Spatial Modeling Of Coastal Landscapes: Methodological And Scientific Applications., Mary Louise White Jan 1999

Spatial Modeling Of Coastal Landscapes: Methodological And Scientific Applications., Mary Louise White

LSU Historical Dissertations and Theses

A number of issues related to landscape scale ecological modeling of the wetlands of southern Louisiana are examined in this study. First, using geostatistical methods, a new contour map of the wetland habitats in the Terrebonne basin of southern Louisiana is constructed from data collected in 1994. This map is proposed as the best field verified habitat map of the Terrebonne basin and contains statistical confidence intervals associated with the habitat contours. Second, the problem of how to evaluate the success of a landscape model prediction is investigated. The multiple resolution goodness of fit parameter Ft(k) is evaluated in detail …

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Spectrum Of Solar Neutrinos Above 6.5 Mev., Robert Ellis Sanford Jr Jan 1999

Spectrum Of Solar Neutrinos Above 6.5 Mev., Robert Ellis Sanford Jr

LSU Historical Dissertations and Theses

The spectrum of recoil electrons from solar neutrino scattering above 6.5 MeV has been measured using the first 504 days of Super-Kamiokande detector data. The scattering rate is found to be 13.56 +/- 0.42(stat. ) +/- 0.29(syst.) events/day/22.5kton, which is a factor of 0.474 +/- 0.015(stat.) +/- 0.010( syst.) of the expected rate. The measured spectrum and the expected spectra from 8B and HeP Neutrino scattering are compared using a chi2 minimization process to find the best-fit match between the measured neutrino rates and a linear combination of the expected rates from 8B and HeP neutrinos. Using only the 8B …

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Enhancing The Process Of Testing Object -Oriented Systems., Ihssan Salim Alkadi Jan 1999

Enhancing The Process Of Testing Object -Oriented Systems., Ihssan Salim Alkadi

LSU Historical Dissertations and Theses

Testing is a crucial step in the overall system development process. Using testing techniques that support features of the underlying software paradigm more effectively tests program than do testing techniques that support features of other paradigms. Systems developed with the object-oriented paradigm require techniques that support object-oriented features such as inheritance, data abstraction, encapsulation, and dynamic binding. Many techniques that are used to test systems developed with the structured paradigm are not sufficient for the testing of object-oriented systems. The goal of this research is to develop methods that will improve the process of testing object-oriented systems. Specifically, emphasis is …

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Life Events, Social Support, And Blood Pressure Control In Low -Income Hypertensive Patients., Steven Christopher Ames Jan 1999

Life Events, Social Support, And Blood Pressure Control In Low -Income Hypertensive Patients., Steven Christopher Ames

LSU Historical Dissertations and Theses

This study examined whether minor, chronic, and major stressors predicted poor blood pressure control in low-income hypertensives, and whether social support served as a moderator of this relation. Additionally, whether the construct of social support served as an independent predictor of poor blood pressure control was also examined. Participants included 231 patients randomly recruited from primary care medicine clinics at a public medical center. The sample included in this study was selected from an existing data set. The existing data set consisted of 432 patients randomly chosen on consecutive days from a family practice and an internal medicine medical clinic …

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