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Biology And Control Of Strawberry Anthracnose Crown Rot And Fungicidal Control Of Strawberry Fruit Rots., Thomas Bond Mcinnes Jan 1989

Biology And Control Of Strawberry Anthracnose Crown Rot And Fungicidal Control Of Strawberry Fruit Rots., Thomas Bond Mcinnes

LSU Historical Dissertations and Theses

Surveys of strawberry (Fragaria x ananassa Duch.) summer nursery beds and production fields in Louisiana from 1986-1989 indicated that anthracnose crown rot (ACR) incited by Colletotrichum fragariae Brooks limited both plant and fruit production on most farms. Pathogen-free production plants were provided to growers in the strawberry growing region of southeast Louisiana for establishment of summer nursery beds. The pathogen-free strawberry plants remained free of ACR in summer nursery beds separated from beds with locally grown transplants. Infield spread of ACR was rapid in summer nursery beds, but there was no evidence of disease spread in production fields. To assay …

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L(P) Regularity And Extrapolation., Michael Helmuth Ruge Jan 1989

L(P) Regularity And Extrapolation., Michael Helmuth Ruge

LSU Historical Dissertations and Theses

The goal of this thesis was to isolate classes of bounded linear operators in $L\sb{p}(I)$ which on the one hand still have some of the well-known and useful properties of positive operators, but which on the other hand are large enough to include some important classes of operators (e.g. the Hilbert transform and the singular operators derived from it) that cannot be dominated by positive operators. In Chapter I, we study as a first class of this kind the $L\sb{p}$ regular operators. By definition such operators map equiintegrable sets in $L\sb{p}(I)$ into equiintegrable sets in $L\sb{p}(I)$ and sets compact in …

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The Study Of Model Hamiltonians On Finite Clusters., Duan Pin Chen Jan 1989

The Study Of Model Hamiltonians On Finite Clusters., Duan Pin Chen

LSU Historical Dissertations and Theses

We present two methods to study model Hamiltonians defined on clusters. One is the symmetrization of the Hilbert space basis according to irreducible representations of the symmetry group of the Hamiltonian. The other one adapts the Lanczos diagonalization method directly to the second quantized form of the Hamiltonian studied. By the symmetrization of the basis, one takes advantage of the symmetries of the Hamiltonian, and uses the group theory to find the invariant subspaces of the Hamiltonian in the complete Hilbert space. Then one needs only to work within the invariant subspaces. This method cuts down substantially the size of …

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The Affective Variant Hypothesis: How Is Bulimia Nervosa Related To Depression?, Rita C. Prather Jan 1989

The Affective Variant Hypothesis: How Is Bulimia Nervosa Related To Depression?, Rita C. Prather

LSU Historical Dissertations and Theses

Bulimia nervosa patients frequently score from mild to severe on measures of depressive symptoms. This association between bulimia nervosa and depression led some researchers to hypothesize that bulimia nervosa is a variant of the affective disorder of depression. The main purpose of this study was to provide further evaluation of the affective variant hypothesis of bulimia nervosa. It was postulated that bulimia nervosa patients with and without depression would differ from each other and from depressives without eating disorders on specific measures of cognitive, behavioral, and somatic symptoms associated with depression. Secondly, it was hypothesized that the nondepressed and depressed …

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Spectroscopic Studies Of Biological And Synthetic Tetranuclear Iron-Sulfur Clusters., Yvonne Amalia Onate Jan 1989

Spectroscopic Studies Of Biological And Synthetic Tetranuclear Iron-Sulfur Clusters., Yvonne Amalia Onate

LSU Historical Dissertations and Theses

Room-temperature UV-visible adsorption, low-temperature magnetic circular dichroism (MCD), electron paramagnetic resonance (EPR), and resonance Raman (RR) spectroscopies have been used to characterize the electronic, magnetic and structural properties of the (4Fe-4S) centers in Azotobacter vinelandii Fe proteins from Mo- and V-nitrogenases (Av2 and Av2$\sp\prime$, respectively), and Bacillus subtilis glutamine phosphoribosylpyrophosphate amidotransferase. These studies have characterized the S = 1/2 and S = 3/2 forms of the (4Fe-4S) $\sp{1+}$ cluster in native Av2 and Av2$\sp\prime$ in the presence and absence of the protein unfold agent urea, glassing solvents, such as ethylene glycol and glycerol, and nucleotides, such as ATP. The results …

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The Effectiveness Of The Food And Nutrition 4-H Project In Improving Dietary Practices And Food Consumption Patterns Of High School Students In Louisiana., Saralene Brandon Seals Jan 1989

The Effectiveness Of The Food And Nutrition 4-H Project In Improving Dietary Practices And Food Consumption Patterns Of High School Students In Louisiana., Saralene Brandon Seals

LSU Historical Dissertations and Theses

The primary purpose of this study was to determine the effectiveness of the 4-H Foods and Nutrition project in Louisiana. The Foods and Nutrition project traditionally enrolls about one-fourth of the total membership. A second purpose of the study was to identify personal and household demographic characteristics that may influence dietary practices and food consumption patterns. Telephone interviews were conducted by extension home economists with a random sample of 277 4-H Foods and Nutrition project members ages 14-19 and 278 non-4-H members. The 4-H Foods and Nutrition program appears to be making a positive impact on 4-H project members' dietary …

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Phosphatidylethanolamine Synthesis By A Base Exchange Reaction In Castor Bean Endosperm., Sungho Shin Jan 1989

Phosphatidylethanolamine Synthesis By A Base Exchange Reaction In Castor Bean Endosperm., Sungho Shin

LSU Historical Dissertations and Theses

An ethanolamine base exchange enzyme has been assayed in the endoplasmic reticulum (ER) of castor bean (Ricinus communis L. var. Hale) endosperm. The activity was maximal at ethanolamine concentrations of 30 uM in the presence of 2 mM CaCl$\sb2$. The optimum pH was 7.8 using HEPES buffer. Under these conditions, the enzyme had a maximum enzyme velocity of approximately 0.3 nmol h$\sp{-1}$ mg$\sp{-1}$ protein and an apparent Km of 5.0 uM for ethanolamine. A maximum velocity of approximately 1.7 nmol h$\sp{-1}$ mg$\sp{-1}$ protein was obtained under similar conditions with L-serine at about 400 uM in a serine base exchange reaction. …

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The Evolution Of Igg And Igm Antibodies To Antigens Of Mycobacterium Leprae In Experimentally Inoculated Armadillos., Abdul Reza Vadiee Jan 1989

The Evolution Of Igg And Igm Antibodies To Antigens Of Mycobacterium Leprae In Experimentally Inoculated Armadillos., Abdul Reza Vadiee

LSU Historical Dissertations and Theses

The nine-banded armadillo (Dasypus novencinctus linn.) is highly susceptible to infection with M. leprae and has become an important animal model in the study of leprosy. In an attempt to define the major immunogens of M. leprae and the isotypic antibody response to these molecules during infection, the IgG and IgM antibody responses of experimentally-infected armadillos to the sonicated M. leprae, supernatant fraction of sonicated M. leprae, lipoarabinomannan derived from M. tuberculosis, and phenolic glycoliopid-I was analyzed using immunoblot and ELISA. Antibodies to the specific epitope (defined by monoclonal antibody IIIE9) on the 65-kDa protein of M. leprae were analyzed …

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Modernism's Illegitimate Progeny: Fictions Of Crime And The Experience Of Modernity., Jon Francis Thompson Jan 1989

Modernism's Illegitimate Progeny: Fictions Of Crime And The Experience Of Modernity., Jon Francis Thompson

LSU Historical Dissertations and Theses

This dissertation has two main concerns. The first is to see fictions of crime--a general term which I use to signify those genres concerned with crime, including detective fiction, spy thrillers, and crime fiction proper--as attempts to mediate and contain the anxieties brought about by the experience of modernity. Modernity is theorized as having three primary moments: the nineteenth, early twentieth-century experience of imperialism; the post World War I period, the high water mark of urban capitalism; and the post World War II period, which I theorize as postmodernism. I attempt to situate crime fiction within these social contexts, and …

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Evaluation Of Fish Meal Supplement On Physiological Response And Milking Performance In Lactating Dairy Cattle Under Heat Stress., George Mark Toups Jan 1989

Evaluation Of Fish Meal Supplement On Physiological Response And Milking Performance In Lactating Dairy Cattle Under Heat Stress., George Mark Toups

LSU Historical Dissertations and Theses

Twenty-four mid-lactation heat stressed dairy cows were paired in a completely randomized block design on basis of breed, age, lactation number, calving date, previous mild production and milk fat content in order to evaluate experimental responses. Test treatment was a 50:50 dry matter (DM) corn silage-concentrate diet supplemented with 4.75% DM specially-selected fish meal (FM). Animals were housed under natural summer conditions for the duration of a 70-d experimental period, commencing in mid-June. Low roughage diets were slightly below NRC requirements for both energy and crude protein. DM intake, milk fat content, and milk fat:milk lactose ratio were statistically significant, …

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An Integrated Geophysical Study Of The Northern Gulf Of Mexico: Deep Seismic Reflection Profiling, Seismic Stratigraphy, Gravity Modeling, And Crustal Structure., Mancheol Suh Jan 1989

An Integrated Geophysical Study Of The Northern Gulf Of Mexico: Deep Seismic Reflection Profiling, Seismic Stratigraphy, Gravity Modeling, And Crustal Structure., Mancheol Suh

LSU Historical Dissertations and Theses

Multichannel deep seismic reflection data across a passive continental margin in the northern Gulf of Mexico have been acquired, processed, and interpreted together with three-dimensional gravity modeling. The central Gulf basin is structurally asymmetric from north and south. The northern Gulf is underlain by a 8 to 16 km thickness of sedimentary rocks, significantly greater than the southern Gulf. The top of continental crust occurs at a depth of about 8 km beneath the upper Mississippi-Alabama continental shelf and is characterized by horst and graben structures. The top of oceanic crust occurs at a depth of about 12 km below …

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Natural Convection Above Heated Inclined Surfaces., John Anthony King Jan 1989

Natural Convection Above Heated Inclined Surfaces., John Anthony King

LSU Historical Dissertations and Theses

Motivated by a need to assess pollutant transport by upslope flows, an investigation has been conducted into the fundamentals of natural convection flow over inclined surfaces. Particular attention was focused on the influence of ambient fluid stability. Field studies were performed using tracer gas releases into the upslope flow over a Southern California mountain range. The field studies served to reveal the presence of a split slope flow recirculation and demonstrated the impact of this recirculation on the transport of pollutants from a valley. In order to pursue a controlled investigation of the phenomena found in the field work, a …

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Geomorphic And Stratigraphic Evolution Of The Middle Amite River Valley, Southeastern Louisiana., Whitney Joseph Autin Jan 1989

Geomorphic And Stratigraphic Evolution Of The Middle Amite River Valley, Southeastern Louisiana., Whitney Joseph Autin

LSU Historical Dissertations and Theses

Many streams of the northern Gulf of Mexico coastal plain have similar geomorphic and stratigraphic character and comparable influences on their drainage basin evolution. Potential geomorphic influences on floodplain morphology vary temporally and spatially in their effect and include inherent geomorphic processes, eustatic sea level rise, evolution of a stream's receiving basin, adjustment to active tectonics, and local climate fluctuation. A 14.3-km segment of meander belt in the middle Amite River valley in southeastern Louisiana was selected to test the relative effect of geomorphic factors on Holocene floodplain evolution. Floodplain evolution in this valley responded to sea level rise and …

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Studies On Trypanosoma Cruzi Isolates From Louisiana Mammals With Particular Reference To Infectivity To Dogs., Stephen Charles Barr Jan 1989

Studies On Trypanosoma Cruzi Isolates From Louisiana Mammals With Particular Reference To Infectivity To Dogs., Stephen Charles Barr

LSU Historical Dissertations and Theses

This dissertation describes studies on three Trypanosoma cruzi isolates from Louisiana mammals with particular reference to infectivity to dogs. Isolates from an opossum (Tc-O) and armadillo (Tc-A) were obtained during a blood culture survey of these animal populations in Louisiana. Prevalence of T. cruzi were 37.5% and 1% in opossums and armadillos respectively. Further, 48% opossums had myocarditis suggestive of T. cruzi infection. Rural dogs with known contact with T. cruzi hosts, housed rural dogs, urban animal shelter dogs and household pets showed 4.7, 0, 2.3 and 0% serological prevalence to T. cruzi respectively. Tc-O and Tc-A (wild isolates) displayed …

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The Interaction Of Accountants' Involvement And Basis Of Accounting On Loan Officers' Judgment When Evaluating A Loan To A Small Business., Joe Gregory Bushong Jan 1989

The Interaction Of Accountants' Involvement And Basis Of Accounting On Loan Officers' Judgment When Evaluating A Loan To A Small Business., Joe Gregory Bushong

LSU Historical Dissertations and Theses

Small/private business is an important sector of the economy of the United States; however, the needs of small business are often overlooked when accounting standards are established. This has led to concerns that small businesses are required to report financial information that is not needed by the users of their financial statements, and that they are precluded from reporting information that may be more useful. The purpose of this study was to determine whether loan decisions made using financial statements prepared on a modified basis of accounting affected decisions made by bank loan officers, the primary external users of small …

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Determination Of The Wavelength Dependence Of The Optical Properties Of Soot From In-Situ Measurements., Hyunsoo Chang Jan 1989

Determination Of The Wavelength Dependence Of The Optical Properties Of Soot From In-Situ Measurements., Hyunsoo Chang

LSU Historical Dissertations and Theses

The index of refraction of soot particles is of considerable importance in many areas of research and engineering applications such as combustion diagnostics and radiative transfer from combustion systems. The present study aims toward the analysis of compositional effect on the refractive index and the spectral variation of the indices of soot particles by combining classical and dynamic light scattering measurements with the Kramers-Kronig relations in hydrocarbon flames. The particle size distribution is determined from photon correlation measurements. The number densities, volume fractions and refractive indices are then determined as a function of the height above the burner and fuel …

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A Training Intervention For Control Of Sba Loan Defaults: A Theory Development Approach., J. Dennis Coates Jan 1989

A Training Intervention For Control Of Sba Loan Defaults: A Theory Development Approach., J. Dennis Coates

LSU Historical Dissertations and Theses

Since the energy-crisis days of the early 1970's, the United States' economy has been gradually moving from reliance on manufacturing operations to a reliance on service industries. This shift has lead to an abundance of opportunities in the area of small business development. In response to these opportunities, the small business sector has undergone substantial growth. One problem associated with this growth is the procurement of financing for small business startups. Since most entrepreneurs do not have the financing options available to large corporations, the majority of small business startups involve owner bank borrowing, often with the assistance of the …

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Ostertagia Ostertagi: Population Dynamics Under Pasture And Confinement Conditions With Particular Reference To The Inhibition Phenomenon., Carlos Solomon Eddi Jan 1989

Ostertagia Ostertagi: Population Dynamics Under Pasture And Confinement Conditions With Particular Reference To The Inhibition Phenomenon., Carlos Solomon Eddi

LSU Historical Dissertations and Theses

This experiment was conducted to further define epidemiological events involved in the induction, duration and maturation phases of inhibited development of Ostertagia ostertagi in naturally infected calves and to characterize some aspects of the immune response associated with the inhibition phenomenon. During March, April and May 1988, 3 groups of 18 calves were grazed on the same experimental pasture for 3 weeks. At the end of each grazing period, 2 calves of each group were slaughtered for analysis of worm population; the remaining calves were divided into 2 subgroups of 8 calves. One subgroup was returned to pasture while the …

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The Dismantling Of De Jure Segregation In Louisiana, 1954-1974. (Volumes I And Ii)., Carroll Joseph Dugas Jan 1989

The Dismantling Of De Jure Segregation In Louisiana, 1954-1974. (Volumes I And Ii)., Carroll Joseph Dugas

LSU Historical Dissertations and Theses

In the two decades between 1954 and 1974, the State of Louisiana progressed from a closed, white-dominated society to an open, multi-racial society with legal safeguards in place to assure equal protection and equal opportunity for all residents regardless of race or color. Prior to 1960, the vast majority of blacks were unable to vote, serve on juries, buy homes in decent neighborhoods, use publicly-owned facilities or frequent hotels, restaurants and other public accommodations. In addition to these humiliations, they were required to utilize inadequate "separate but equal" public parks, playgrounds, swimming pools, schools, waiting areas and correctional facilities until …

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Interpretation Of Solid State Deuterium Nmr Spectroscopic Parameters., Kermin Guo Jan 1989

Interpretation Of Solid State Deuterium Nmr Spectroscopic Parameters., Kermin Guo

LSU Historical Dissertations and Theses

Solid-state deuterium NMR spectroscopic parameters including the deuterium quadrupole coupling constant and asymmetry parameter are interpreted in both theoretical and experimental aspects. Ab initio molecular orbital calculations were performed on the alkali metal hydrides, toluene, thymine, acetic acid dimer, and phenylacetic acid molecules with different conformations. In the alkali metal hydrides, the electric field gradient at the hydrogen atom site was calculated in three model systems: terminal metal hydride, bridging metal hydride, and dihydrogen adducts. The effect of metal hydride geometry on the deuterium quadrupole coupling constant was examined. The results can be used in the assignment and interpretation of …

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The Anthems Of Thomas Ford (Ca. 1580-1648)., Fang-Lan Lin Hsieh Jan 1989

The Anthems Of Thomas Ford (Ca. 1580-1648)., Fang-Lan Lin Hsieh

LSU Historical Dissertations and Theses

The twenty anthems of Thomas Ford which are kept in Oxford, Christ Church Library (Mss. 56-60 and Mss. 736-738), provide the primary material for the present study. Fourteen of those pieces are full anthems written for three-voice chorus of contratenor, tenor, and bassus. Four three-voice verse anthems are incomplete because of missing instrumental parts, and the two six-voice anthems (one is a verse anthem, the other one is full anthem) are also missing bassus parts. Ford's brief biography and a survey of his works, found in Chapter I, provide a context for the study of his anthems. Chapter II contains …

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Development Of A Karplus-Type Relationship For Solid State Deuterium Nuclear Magnetic Resonance Spectroscopy., Margaret Alice Callaghan Jackisch Jan 1989

Development Of A Karplus-Type Relationship For Solid State Deuterium Nuclear Magnetic Resonance Spectroscopy., Margaret Alice Callaghan Jackisch

LSU Historical Dissertations and Theses

This dissertation is the first application of a Karplus-type relationship to solid-state deuterium NMR spectroscopy. In particular zero-field high-resolution deuterium adiabatic demagnetization in the laboratory frame (ADLF) spectroscopy has been used to distinguish between two inequivalent deuterium positions in alpha substituted arylacetic acids. High resolution spectra with linewidths of 1-2 kHz were observed and have been used successfully to document the inequivalent positions both by single and double transition spectra. Further, small applied fields, inducing Zeeman splitting, have proven the deuterons observed to be from the transition frequencies of two different deuterons. Individual spectra are shown for all compounds included …

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An Empirical Investigation Of The Financial Statement Characteristics Of Firms Engaging In In-Substance Defeasance Of Debt., Raymond Jeffords Jr Jan 1989

An Empirical Investigation Of The Financial Statement Characteristics Of Firms Engaging In In-Substance Defeasance Of Debt., Raymond Jeffords Jr

LSU Historical Dissertations and Theses

Extinguishment of debt through in-substance defeasance is a powerful debt management tool that enables corporations to eliminate debt from their balance sheets and record substantial gains on extinguishment whenever market rates of interest exceed the coupon rate of defeased debt. Corporations engaging in in-substance defeasance must conform to the provision of Statement of Financial Accounting Standards No. 76, Extinguishment of Debt, issued by the Financial Accounting Standards Board in 1983. Critics of Statement No. 76 charge that in-substance defeasance may be used to window dress the financial statements. This study represents an initial test of the assertion that in-substance defeasance …

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Isolation, Characterization, And Symbiotic Effectiveness In Soybeans Of Exopolysaccharide Mutants Of Rhizobium Fredii Usda191., Young Hwan Ko Jan 1989

Isolation, Characterization, And Symbiotic Effectiveness In Soybeans Of Exopolysaccharide Mutants Of Rhizobium Fredii Usda191., Young Hwan Ko

LSU Historical Dissertations and Theses

Chapter 1. Production of exopolysaccharides by Rhizobium has been linked with efficient invasion and nodulation of leguminous plant roots by the bacteria. Exopolysaccharide-deficient (exo) mutants of Rhizobium fredii USDA191 were isolated by Tn5-insertion mutagenesis. Five phenotypically unique exo mutants were investigated for exopolysaccharide synthesis and their ability to nodulate soybeans. The exopolysaccharides produced by these mutants were analyzed for polysaccharide composition by column chromatography and thin layer chromatography. Two mutants designated exo3 and exo5 were deficient in both the neutral glucan and exopolysaccharide synthesis, but still made effective nodules on Glycine max cv. Peking, although with decreased efficiency. The remaining …

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Prospect Theory In Governmental Accounting: Implications For The Budgeting Process At The Local Level., Karen Sue Mckenzie Jan 1989

Prospect Theory In Governmental Accounting: Implications For The Budgeting Process At The Local Level., Karen Sue Mckenzie

LSU Historical Dissertations and Theses

Small local governmental units are responsible for allocating resources on behalf of a substantial portion of all United States citizens. The research reported here investigates the effects of presentation format (or framing) on decision preference in a governmental resource allocation context. The subjects represent a population of governmental units which has not received prior research attention--small local governments. Budget preparers were asked to choose among objectively identical alternatives, which differed in presentation formats. The cases used to investigate the effects of presentation were modelled after Kahneman and Tversky's (1979) seminal work in prospect theory, which addressed violations of expected utility …

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Phonological And Language Improvements In Preschool Children: A Comparison Of Phonological Process Targeting And Whole Language Training., Joann Monjure Jan 1989

Phonological And Language Improvements In Preschool Children: A Comparison Of Phonological Process Targeting And Whole Language Training., Joann Monjure

LSU Historical Dissertations and Theses

This study compared phonological and language changes that occurred in preschool phonologically-impaired children following treatment via a discrete phonological process targeting approach or a whole language approach. It was hypothesized that a treatment program utilizing a communication-based, whole language approach would result in improvements in various language domains (e.g., phonology, morphology, syntax, semantics, and pragmatics), while treatment targeting a specific aspect of language, that is, phonology, would result in improvements limited to that specific domain. Subjects were eight preschool children, 3-4 years of age, exhibiting multiple articulation errors, and randomly assigned to one of two intervention programs for a six-week …

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Photochemical Vapor Deposition Of Gallium-Arsenide Utilizing Ultraviolet Radiation., David Paul Norton Jan 1989

Photochemical Vapor Deposition Of Gallium-Arsenide Utilizing Ultraviolet Radiation., David Paul Norton

LSU Historical Dissertations and Theses

Photochemical means have been utilized to deposit arsenic, gallium and gallium arsenide thin films in an attempt to achieve deposition of gallium arsenide at substrate temperatures lower than those utilized in conventional organometallic chemical vapor deposition. Photolysis, Hg-photosensitization and light-driven pyrolysis have been utilized to obtain thin films on quartz, fused silica, gallium arsenide and silicon substrates. Triethylgallium and arsine served as the reactants with a low pressure Hg lamp, a high pressure Hg-Xe arc lamp and an ArF excimer laser serving as the ultraviolet radiation sources. Deposition of arsenic and gallium arsenide thin films on quartz was investigated utilizing …

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A Program Visualization System That Supports The Program Understanding Process., Brady R. Rimes Jan 1989

A Program Visualization System That Supports The Program Understanding Process., Brady R. Rimes

LSU Historical Dissertations and Theses

The goal of this research is to provide a graphical system that supports the program understanding process by representing the program's control flow, the code and the identifiers local to a specific point within the program. By having more information local to the point of interest, the programmer can maintain continuity in developing program understanding. The programmer can see loops, procedure calls, and other structures with respect to their execution order and can view them in the environment or the context in which they will execute. The Peec system supplies a graphical representation of the program's control flow in which …

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An Experimental Research Study On The Effect Of Accrual Of Nonpension Postretirement Benefit Costs On Loan Officers' Decisions., Joyce Ann Strawser Jan 1989

An Experimental Research Study On The Effect Of Accrual Of Nonpension Postretirement Benefit Costs On Loan Officers' Decisions., Joyce Ann Strawser

LSU Historical Dissertations and Theses

On February 14, 1989, the Financial Accounting Standards Board issued an exposure draft entitled "Employers' Accounting for Postretirement Benefits Other Than Pensions." The provisions of this proposed Statement of Financial Accounting Standards would require that the costs of nonpension postretirement benefits be recognized in employer financial statements over the service lives of employees expected to receive benefits. This study examined the decisions of commercial bank loan officers in an experiment designed to determine whether the proposed accrual of postretirement health care benefits affects the decisions of financial statement users. The following issues were also addressed: (1) Does the nonpension postretirement …

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The Reproductive Ecology And Population Biology Of The Puerto Rican Nightjar Caprimulgus Noctitherus., Francisco Jose Vilella Jan 1989

The Reproductive Ecology And Population Biology Of The Puerto Rican Nightjar Caprimulgus Noctitherus., Francisco Jose Vilella

LSU Historical Dissertations and Theses

The reproductive ecology and population biology of the Puerto Rican Nightjar (Caprimulgus noctitherus), and population biology of the small Indian mongoose (Herpestes auropunctatus) were studied in Puerto Rico from 1985-1987. Six areas in Puerto Rico were selected to determine geographic distribution and estimate density. Nightjar presence was initially detected by using playback recordings; density was estimated using fixed-width transect call counts. Three areas located in northern moist limestone forest had no relict nightjars. Nightjars were found in three areas located in southwestern Puerto Rico. A total of 676 nightjars were recorded in 9,838.7 ha surveyed. These were distributed among three …

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