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Amino Acid Responses Of Olfactory Bulb Cells In The Channel Catfish., Hilary Winfield Thompson Jan 1988

Amino Acid Responses Of Olfactory Bulb Cells In The Channel Catfish., Hilary Winfield Thompson

LSU Historical Dissertations and Theses

Amino acid (AA) responses of olfactory bulb (OB) mitral cells (MC) in the catfish, Ictalurus punctatus, were studied electrophysiologically. A total of 63 cells were recorded in 28 fish in two separate experiments. For the first study, 27 cells in 22 fish were studied with olfactory tract (OT) intact during stimulation with 10$\sp{-6}$ M to 10$\sp{-2}$ M concentrations of 11 AA. MC responses were quantified by interspike interval (ISI) variables sensitive to inhibition (maximum ISI) and excitation (number of action potentials (AP), minimum ISI). APs were also counted in subdivisions to produce a measure sensitive to MC response temporal patterning. …

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Effect Of Controlled Redox Potential And Ph On Heterotrophic Nitrogen Fixation And Mineralization In Crowley Silt Loam Soil., Almoubarakou Ibrahima Toure Jan 1988

Effect Of Controlled Redox Potential And Ph On Heterotrophic Nitrogen Fixation And Mineralization In Crowley Silt Loam Soil., Almoubarakou Ibrahima Toure

LSU Historical Dissertations and Theses

Laboratory investigations were carried out to study the magnitudes and rates of heterotrophic N$\sb2$ fixation and mineralization of organic N as influenced by controlled redox potentials and pH values. Preincubated Crowley silt loam soil suspensions was amended with 0.50% labelled rice straw (41% $\sp{15}$N excess) and incubated for six weeks in the dark. Effects of all combinations of four redox potentials ($-$100, +100, +300, and +500 mV) and two pH values (5 and 7) were studied. At weekly intervals, soil suspension samples were withdrawn and analysed for N$\sb2$ fixation by using the C$\sb2$H$\sb2$ reduction assay, total organic N, extractable NH$\sb4\sp+$-N, …

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Estimation Of Additive And Nonadditive Direct And Maternal Genetic Effects For Reproductive Traits In Beef Cattle., Allen Richard Williams Jan 1988

Estimation Of Additive And Nonadditive Direct And Maternal Genetic Effects For Reproductive Traits In Beef Cattle., Allen Richard Williams

LSU Historical Dissertations and Theses

A total of 4,301 cow exposure records from a four generation rotational crossbreeding study were used to calculate least squares means and heterosis estimates and partition breed and heterotic genetic effects for calving rate (CR), calf survival (CS), weaning rate (WR), calf birth date (CBD) and percent assisted births (PA). Angus (A), Brahman (B), Charolais (C) and Hereford (H) breeds were involved in two-, three- and four-breed rotation systems with the restriction that each breed combination include B. Straightbreds were maintained as controls. Generation, year within generation, breed group of dam within generation and the linear and quadratic effects of …

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The Growth Of Protectionism And Its Effect On The Free Trade Movement In The 1980’S, Michelle Morris Jan 1988

The Growth Of Protectionism And Its Effect On The Free Trade Movement In The 1980’S, Michelle Morris

Honors Capstones

No abstract provided.

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The Dying Savage: The Image Of American Indian Extinction As Absorbed Into White Culture, 1810-1860, Jd Honey Jan 1988

The Dying Savage: The Image Of American Indian Extinction As Absorbed Into White Culture, 1810-1860, Jd Honey

Honors Capstones

No abstract provided.

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Aspects Of Vowel Perception By Normal Hearing And Hearing Impaired Listeners., Joan Marie Besing Jan 1988

Aspects Of Vowel Perception By Normal Hearing And Hearing Impaired Listeners., Joan Marie Besing

LSU Historical Dissertations and Theses

The effect of durational differences on the identification of vowel tokens was studied using ten normal hearing and six hearing impaired subjects. Stimuli were synthetically generated and varied in duration of the steady state, durations of the initial and final transitions and F1/F2/F3 location. Listeners were required to identify the given vowel token from a set of ten possible alternatives. The results from the normal hearing group supported the established effects of duration on the perception of vowels. However, these effects were different depending on the frequency locations of F1/F2/F3. Further, changes in the duration of the initial transition had …

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Floral Ontogeny And Histogenesis In Leguminosae., Kittie Sue Derstine Jan 1988

Floral Ontogeny And Histogenesis In Leguminosae., Kittie Sue Derstine

LSU Historical Dissertations and Theses

Inflorescence organogeny and floral initiation are investigated topographically (using scanning electron microscopy) and histogenetically in Acacia baileyana (Mimosoideae) and Lupinus havardii (Papilionoideae). Floral ontogeny is investigated topographically in Parkinsonia aculeata (Caesalpinioideae). The paniculate racemes of A. baileyana are constructed of first- and second-order inflorescence meristems. Each produces first-order and second-order bracts, respectively, in acropetal order. Each of the former bracts subtends one second-order inflorescence meristem while the latter bract type subtends a single flower. The radially symmetrical floral meristem of A. baileyana produces calyx members in helical order and corolla members simultaneously with a precocious terminal carpel. Common stamen primordia …

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A Comparison And Application Of Select Teaching Methods For The Flute By Henri Alt\`Es, Paul Taffanel - Philippe Gaubert, Marcel Moyse, And Trevor Wye., David Eugene Etienne Jan 1988

A Comparison And Application Of Select Teaching Methods For The Flute By Henri Alt\`Es, Paul Taffanel - Philippe Gaubert, Marcel Moyse, And Trevor Wye., David Eugene Etienne

LSU Historical Dissertations and Theses

Since c.1860, the Paris Conservatoire has employed a succession of master artist/teachers of the silver Boehm flute. This tradition is so distinctive that the term "French Flute School" is used to refer to flute teachers and pupils of the Paris Conservatoire. Certain exponents of the French Flute School have written classic method books which have remained important to Boehm flute players throughout the world. The style and quality of flute literature changed significantly from the mid-nineteenth century to the present and when musical style changed so did demands on the performer. Although studies and exercises are not intended for public …

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"Enantiodromia" By Jani Christou And An Original Composition, "Symphony No. 1"., Aristocles Carastathis Jan 1988

"Enantiodromia" By Jani Christou And An Original Composition, "Symphony No. 1"., Aristocles Carastathis

LSU Historical Dissertations and Theses

This dissertation consists of two parts: an analysis of a composition entitled Enantiodromia by Greek composer Jani Christou as it relates to the general musical style of his late works, and an original composition by the author entitled Symphony No. 1 for full orchestra. The purpose of Part One is to familiarize the reader with Christou's approach to composition, especially as it is evident in his late works. This part is divided into three chapters. In the first chapter attention is given to the biographical background of the composer emphasizing the philosophical influences on his music and providing a chronological …

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A Comparison Of The Effectiveness Of The Operating Funds Flow Measures Of Cash, Net Quick Assets, And Working Capital In Predicting Future Cash Flow., Catherine Innes Green Gaharan Jan 1988

A Comparison Of The Effectiveness Of The Operating Funds Flow Measures Of Cash, Net Quick Assets, And Working Capital In Predicting Future Cash Flow., Catherine Innes Green Gaharan

LSU Historical Dissertations and Theses

In Statement of Financial Accounting Standards No. 95, "Statement of Cash Flows," the Financial Accounting Standards Board requires a statement of cash flows in place of a statement of changes in financial position. This information is assumed to be useful in predicting future cash flow. The first part of this three-part study empirically tests this assumption by comparing the abilities of three operating funds flow measures (working capital, net quick assets, and cash) to predict future cash flows. The second part of this study determines whether the reporting concept best for predicting future cash flow is dependent upon industry classification. …

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Query Processing On The Entity-Relationship Graph Based Relational Database Systems., Hung-Pin Chen Jan 1988

Query Processing On The Entity-Relationship Graph Based Relational Database Systems., Hung-Pin Chen

LSU Historical Dissertations and Theses

An ERG (Entity-Relationship Graph) can be used to provide a semantic structure to a relational database system. An ERG is defined by local regions. A local region contains two nodes of entity types and a node of relationship type. The semantic constraints of the database represented by the ERG (Entity-Relationship Graph) can be used to enforce the global integrity of the database system. A query is mapped onto the ERG to obtain an ERQG (Entity-Relationship Query Graph). This mapping can be specified by the user by navigating the database or automatically allocated by the system via a universal relation interface. …

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Analytical-Toxicological Studies Of Environmental Importance., Hessam Ghane Jan 1988

Analytical-Toxicological Studies Of Environmental Importance., Hessam Ghane

LSU Historical Dissertations and Theses

Part One. Acidity and chemical composition of precipitation in Baton Rouge, Louisiana; The synergistic effects of acidity and aluminum on fish. Acid precipitation which consists of both wet precipitation and dry deposition has recently become a significant environmental problem. It has been shown that the effects of acid rain are deleterious to soil, vegetation, aquatic life and buildings. Wet-precipitation-only samplers were used to collect acid rainfalls in the vicinity of Louisiana State University, Baton Rouge and subjected to appropriate chemical analysis for the purpose of characterization of general composition and acidity. About 50% of precipitation is within pH range of …

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Characterization Of The Cellular Immune Defect In Chronic Bovine Paratuberculosis., John Michael Kreeger Jan 1988

Characterization Of The Cellular Immune Defect In Chronic Bovine Paratuberculosis., John Michael Kreeger

LSU Historical Dissertations and Theses

Cattle, naturally infected with Mycobacterium paratuberculosis, were evaluated with respect to immune status. Their ability to express cell mediated immune responses to homologous and heterologous antigens was also evaluated. Lymphocyte and macrophage augmentation was attempted to localize the immune defect in cattle with paratuberculosis. Infected cattle had varying responses to johnin skin test antigen. Lymphocyte blastogenic responses and migration inhibition were, however, consistently positive in infected cattle. Non-infected cattle had positive skin test reactions, blastogenic responses, and migration inhibition after sensitization with M. bovis BCG, M. paratuberculosis, and keyhole limpet hemocyanin. No changes were seen in lymphocyte blastogenic response, migration …

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Three Essays On The Welfare Effects Of Factor Immobility And Price Uncertainty For A Country Experiencing Growth, Entering A Customs Union And Giving Or Receiving A Unilateral Transfer., Carolyn Margaret Landry Jan 1988

Three Essays On The Welfare Effects Of Factor Immobility And Price Uncertainty For A Country Experiencing Growth, Entering A Customs Union And Giving Or Receiving A Unilateral Transfer., Carolyn Margaret Landry

LSU Historical Dissertations and Theses

This dissertation presents an intertemporal model with two degrees of endogenously determined labor mobility: complete immobility in the short run and partial mobility in the long run. It examines the impact on welfare when, in response to a change in an exogenous variable, the nation adjusts its output ratio. The movement of factors between sectors is necessary but in the case of labor, that does not take place at first because of labor's slowness in responding to a developing wage differential. The consequent contraction of the product transformation curve is welfare reducing. Uncertainty about the future terms of trade is …

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Ada Rehan: American Actress (1857-1916). (Volumes I And Ii)., Aileen Alana Hendricks-Wenck Jan 1988

Ada Rehan: American Actress (1857-1916). (Volumes I And Ii)., Aileen Alana Hendricks-Wenck

LSU Historical Dissertations and Theses

Although Ada Rehan (1857-1916) achieved international fame as America's representative actress, rivaling Ellen Terry during the last quarter of the nineteenth century, historians have forgotten her. After beginning in 1872 to perform with her sister, Kate, and brother-in-law, Oliver Doud Byron, in their company and, later, in Mrs. Louisa Lane Drew's Arch Street Theatre Company (1873-75), Ada moved upward to ingenue roles in Barney Macauley's company (1875-76). Then she assumed leading parts with John W. Albaugh's company (1876-79), followed by a few months supporting Fanny Davenport. Finally, she advanced to a position in one of the most prominent theatres in …

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Response Of Soybean Growth And Dinitrogen-Fixing Ability To Insect-Induced Defoliation., Maurice Blake Layton Jr Jan 1988

Response Of Soybean Growth And Dinitrogen-Fixing Ability To Insect-Induced Defoliation., Maurice Blake Layton Jr

LSU Historical Dissertations and Theses

A series of greenhouse experiments was conducted to investigate the effects of insect-induced defoliation on growth and N$\sb2$-fixing ability of soybean. This research had three major objectives: (1) to examine the effects of different levels of defoliation, (2) to determine the impact of progressive defoliation, and (3) to study the ability of soybeans to recover following defoliation. All experiments were conducted in a similar manner. Larvae of the soybean looper, Pseudoplusia includens (Walker), were used to defoliate soybeans in the vegetative stage of development and the acetylene-ethylene reduction assay was used to provide an indirect measure of N$\sb2$-fixing ability of …

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Semantic Constraint Modeling In Database Using The Applicative Data Language., Herman Hai-Lou Lee Jan 1988

Semantic Constraint Modeling In Database Using The Applicative Data Language., Herman Hai-Lou Lee

LSU Historical Dissertations and Theses

There is a growing need to incorporate database integrity subsystems into large information systems in engineering design environments and real-time control and monitoring environments. The objectives of the integrity subsystem are to provide a user interface for constraint specification, to compile the specification into enforcement strategies, and to check data integrity at both compile-time and run-time. The approach proposed by this research is to develop the conceptual view of the database using the Entity Relationship Model (ERM). Users' queries and semantic constraints can be specified by an ER-based data language, the Applicative Data Language (ADL). Any ADL constraint specification is …

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Heterodinuclear Transition Metal Complexes With Bridging Bis(Diphenylphosphino)Methane., Shi-Jie Lu Jan 1988

Heterodinuclear Transition Metal Complexes With Bridging Bis(Diphenylphosphino)Methane., Shi-Jie Lu

LSU Historical Dissertations and Theses

Four palladium-silver and seven palladium-rhodium heterodinuclear complexes have been prepared by treatment of t-(NC)$\sb2$Pd(dppm)$\sb2$ with suitable silver salts and with (RhCl(cod)) $\sb2$ and suitable silver salts and with (RhCl(cod)) $\sb2$ and suitable tertiary phosphines, respectively. The molecular structure of t-(NC)$\sb2$Pd(dppm)$\sb2$Ag(ONO) has been determined by single-crystal X-ray diffraction. The crystals are monoclinic, space group P2$\sb1$/c, a = 14.745(7) A, b = 19.208(7) A, c = 17.486(6) A, $\beta$ = 94.99(2)$\sp\circ$, and Z = 4. The final R factor was 0.032 for 8673 unique reflections. The phosphorus-31 nmr spectra of the four Pd-Ag complexes have been analyzed by computer program simulation to …

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Compatibility Of Biological Control With Host Plant Resistance And Insecticidal Control In Soybeans., David Boyd Orr Jan 1988

Compatibility Of Biological Control With Host Plant Resistance And Insecticidal Control In Soybeans., David Boyd Orr

LSU Historical Dissertations and Theses

Studies were conducted to investigate the influence of both plant resistance and insecticidal controls used in soybean on several natural enemies of pest insects. There were two major objectives to this research: (1) to examine the effects of an insect herbivore-resistant soybean genotype on relationships between four levels of a trophic system; (2) to determine the influence of the primary insecticides applied to control Louisiana soybean insect pests on survival of a major biological control agent of stink bugs. In the first study, pre-imaginal development of the predatory pentatomid, Podisus maculiventris (Say), was affected by soybean antibiosis in a manner …

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The Southern Baptist Children's Choir Curricula From 1941 Through 1985 And Influences Of Major Music Education Trends Upon The Curricula., Susan Kitts Messer Jan 1988

The Southern Baptist Children's Choir Curricula From 1941 Through 1985 And Influences Of Major Music Education Trends Upon The Curricula., Susan Kitts Messer

LSU Historical Dissertations and Theses

Beginning in 1941 with the inception of the Church Music Department of the Southern Baptist Convention and continuing through 1985 with the publication of a set of curriculum texts, this study presents a history of the Southern Baptist children's choir curricula by describing the background development and content of each of the curriculum books, periodicals, and supplementary materials published during these years. Following the history of the development of the curricula, influences of major music education trends upon the curricula are discussed. The history of the development of the curricula is organized by periods: the organizational years of the Southern …

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New Female Playwrights In The American Theatre, 1973-1983: A Critical Analysis Of Thought In Selected Plays., Joyce Williams O'Rourke Jan 1988

New Female Playwrights In The American Theatre, 1973-1983: A Critical Analysis Of Thought In Selected Plays., Joyce Williams O'Rourke

LSU Historical Dissertations and Theses

Historically, the female playwright has been plagued by a lack of visibility. Long hindered by a limited number of women writers as role models, by the few receptive stages on which to mount their works, and by a public accustomed to a male dominated stage practice, female playwrights nevertheless in the last two decades have produced an extraordinary body of work, signifying a new thrust in the American theatre. Ten playwrights have been selected as representatives of this movement: Tina Howe, Rosalyn Drexler, Rose Goldemberg, Mary Gallagher, Adele Shank, Lavonne Mueller, Wendy Wasserstein, Ntozake Shange, Beth Henley and Marsha Norman. …

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Ultrastructural Studies Of Cell Membrane-Associated Events In Early And Late Stages Of Bovine Coronavirus Replication., Harold Ross Payne Jan 1988

Ultrastructural Studies Of Cell Membrane-Associated Events In Early And Late Stages Of Bovine Coronavirus Replication., Harold Ross Payne

LSU Historical Dissertations and Theses

The early events in the infection of human rectal tumor cells by bovine coronavirus were investigated by immunoelectron microscopy and by studies with lysosomotropic weak bases. Virus particles labeled with colloidal gold were endocytosed by synchronously infected cells and accumulated in vacuoles that resembled secondary lysosomes. Sites of fusion between the virus envelope and the plasmalemma were observed but fusion events along intracellular membranes were not found. Exposure of cells to ammonium chloride or to mythylamine during the first hour of infection had little inhibitory effect on the production of infectious virus. Chloroquine treatments were inhibitory but this effect was …

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Historical Tradition In The Pre-Serial Atonal Music Of Alban Berg., William Glenn Walden Jan 1988

Historical Tradition In The Pre-Serial Atonal Music Of Alban Berg., William Glenn Walden

LSU Historical Dissertations and Theses

The purpose of this study is to examine and discuss the traditional compositional elements in the pre-serial atonal music of Alban Berg. The dissertation is divided into eight chapters. Chapter One serves as an introduction, Chapters Two through Seven form the main body, and Chapter Eight contains a summary and conclusions. In the introductory chapter, the essential techniques for composing atonal music are described, as well as solutions to the problems of creating unity and cohesiveness without the organizational potential provided by tonality. Berg's own special melodic techniques, imitative constructions, ostinatos, and utilizations of traditional forms are also described in …

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A Judicial Decision Under Pressure: A Dramaturgical Analysis Of The Rosenberg Case., Kenneth C. Petress Jan 1988

A Judicial Decision Under Pressure: A Dramaturgical Analysis Of The Rosenberg Case., Kenneth C. Petress

LSU Historical Dissertations and Theses

This study examines the 1951 death sentences imposed upon Ethel and Julius Rosenberg by Judge Irving R. Kaufman. This study's focus is discovering how these sentences came to be, rhetorically. The study employs the dramatistic pentad suggested by Kenneth Burke. The scene is seen as the dominant, driving force behind the judge's sentences. The scene is labeled as "betrayal"; the name betrayal resulting from: (1) the Cold War; (2) McCarthyism; (3) the Korean War; and (4) other domestic post-World War II problems. The analysis pictures the American government using the Rosenbergs as scapegoats to symbolically cleanse away betrayal images. Thus, …

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An Investigation Of Internal Auditor Judgment On The Importance Of Indicators Of Potential Financial Fraud: An Analytic Hierarchy Process Approach., Barbara Ann Apostolou Jan 1988

An Investigation Of Internal Auditor Judgment On The Importance Of Indicators Of Potential Financial Fraud: An Analytic Hierarchy Process Approach., Barbara Ann Apostolou

LSU Historical Dissertations and Theses

Financial fraud has become a serious problem to the business community. As a result, regulators and financial statement users have looked to the auditing profession for answers to the problem. The role of the internal auditor has received significant attention due to the unique position they fill. That is, they are positioned to observe and test financial and operational activities of the firm on a continuous basis. In addition, internal auditors are able to devote more time to the deterrence and detection of financial fraud than their external counterparts. The National Commission on Fraudulent Financial Reporting (Treadway Commission) issued its …

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Plant Protein Improvement By Genetic Engineering: Use Of Synthetic Genes., Moon Sik Yang Jan 1988

Plant Protein Improvement By Genetic Engineering: Use Of Synthetic Genes., Moon Sik Yang

LSU Historical Dissertations and Theses

The essential amino acid composition of plant foodstuffs is very important, especially in the developing countries where people very heavily depend on plant proteins from a single source. In these situations, it would be highly beneficial to 'engineer' the plant to produce proteins with a balanced essential amino acid content. Recombinant DNA technology and Agrobacterium-based vector systems offer a novel approach to modify plant proteins. Several attempts with some encouraging results have been made to express plant storage protein genes in transgenic plants. However, improvement of the quality of plant protein using these techniques is in an early stage. In …

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Electronic Structure Of Clusters: Applications To High-T(C) Superconductors., Han Chen Jan 1988

Electronic Structure Of Clusters: Applications To High-T(C) Superconductors., Han Chen

LSU Historical Dissertations and Theses

We present a method of studying the electronic structure of clusters by ab initio, self-consistent, local spin density functional calculations. The linear combination of Gaussian orbitals (LCGO) method has been adopted in developing a general cluster program. A variational charge fitting procedure is used in the evaluation of the matrix elements of the electrostatic potential, and a separate least-squares fitting procedure is used in regard to the exchange-correlation potential. Self-consistent solutions have been obtained using this program for the Ba$\sb4$Cu$\sb2$O$\sb7$ clusters as a portion of the Cu-O chain in the high-T$\sb{c}$ superconductor YBa$\sb2$Cu$\sb3$O$\sb7$. Four different charge states of Ba$\sb4$Cu$\sb2$O$\sb7$ are …

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Development Of Techniques For Studying Interactions Of Organic Compounds With Complex Solid Matrices., Devi Chalasani Jan 1988

Development Of Techniques For Studying Interactions Of Organic Compounds With Complex Solid Matrices., Devi Chalasani

LSU Historical Dissertations and Theses

A combination of high resolution solid state nuclear magnetic resonance spectroscopy, and solvent extractions with solvents of varying polarities was used to identify the mechanism of interaction between hazardous organic and/or inorganic wastes and a Portland Cement based system. Ethylene glycol (EG), p-bromophenol (pBP), p-chlorophenol (pCP), p-(aminomethyl)phenol (pAMP) were used as model organic wastes, and cadmium and lead hydroxide sludges were used as model inorganic wastes. Type I Portland Cement, with and without soluble silicate additive, was solidified with water and various waste mixtures. The soldified samples were examined by solvent extractions and by NMR at various time intervals. Chemical …

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Free Radical Production From Criegee Ozonides., James Conrad Ewing Jan 1988

Free Radical Production From Criegee Ozonides., James Conrad Ewing

LSU Historical Dissertations and Theses

Allylbenzene ozonide (ABO), a model for poly-unsaturated fatty acid (PUFA) ozonides, is shown to initiate the autoxidation of methyl linoleate (18:2ME) at 37$\sp\circ$C under 760 torr of oxygen. This process is inhibited by d-alpha-tocopherol ($\alpha$-T) and 2,6-di-tert-butyl-4-methylphenol (BHT). Rates of initiated autoxidation were measured by appearance of conjugated diene (C.D.) and oxygen-uptake experiments; rates are proportional to the square root of ABO concentration, implying that the usual free radical autoxidation rate law is obeyed. Activation parameters for the thermal decomposition of ABO were determined under N$\sb2$ in the presence of radical scavengers and found to be E$\sb{\rm a}$ = 28.2 …

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The Memory Representation Of Motor Skills: A Test Of Schema Theory., Craig John Chamberlin Jan 1988

The Memory Representation Of Motor Skills: A Test Of Schema Theory., Craig John Chamberlin

LSU Historical Dissertations and Theses

Currently, the pre-eminent model of central representation for motor skills is embodied in Schmidt's schema theory of discrete motor skill learning (Schmidt, 1975). Two experiments are reported here that contrast predictions from a schema abstraction model that is the basis for schema theory to those from a specific exemplar model of motor skill memory representation. In both experiments, subjects performed 300 trials per day of 3 variations of a 3-segment timing task over 4 days of acquisition. The subjects then either immediately transferred to 4 novel variations of the same task (Experiment 1) that varied in degree of environmental similarity …

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