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Urinary Sodium Excretion And Blood Pressure In Children: Absence Of A Reproducible Association, Richard Cooper, Kiang Liu, Maurizio Trevisan, William Miller, Jeremiah Stamler Jan 1983

Urinary Sodium Excretion And Blood Pressure In Children: Absence Of A Reproducible Association, Richard Cooper, Kiang Liu, Maurizio Trevisan, William Miller, Jeremiah Stamler

Faculty Publications

A previous report by our group described a cross-sectional association between urinary sodium excretion and blood pressure (BP) in children. Attempts were made to reproduce these findings in two subsequent studies carried out with an identical protocol. Although descriptive results were similar and the correlations between measures of body size and blood pressure were reproduced, a clear-cut association between 7-day mean urinary sodium excretion and BP was observed only in the first of the three studies. These results could imply inadequate study methods, an inconsistent and weak relationship, or the absence of a relationship altogether. © 1983 American Heart Association, …

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Scattering Of Electrons By Hydrogen Atoms., Dipakkumar Harshadrai Oza Jan 1983

Scattering Of Electrons By Hydrogen Atoms., Dipakkumar Harshadrai Oza

LSU Historical Dissertations and Theses

The scattering of electrons by hydrogen atoms at intermediate energy range, where the problem is difficult due to electron atom correlations, is investigated. All possible processes of elastic scattering, excitation and ionization are considered. A simplified model is considered in which all terms involving non-zero angular momenta are neglected. Elastic scattering and excitation cross-sections for the 2s and 3s states are calculated for this model with the use of close-coupling expansion with four pseudostate bases of rather different character. Pseudothreshold structure is observed for ('1)S states and removed with a T-matrix fitting procedure. It is found that, after removal of …

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Marjorie Gullan: Speech Teacher, Lecturer, Public Reader, And Pioneer In Choral Speaking (Scotland, England)., Ronald Eugene Shields Jan 1983

Marjorie Gullan: Speech Teacher, Lecturer, Public Reader, And Pioneer In Choral Speaking (Scotland, England)., Ronald Eugene Shields

LSU Historical Dissertations and Theses

Historians of oral interpretation and speech education acknowledge Marjorie Gullan as a pioneer figure. However, they limit their discussion to Gullan's activities as a pioneer in popularizing choral speaking and neglect her other professional involvements as a speech teacher, lecturer, and public reader. This study traces Gullan's career from the earliest years in Scotland to her death, and illustrates the interdependence between her experiences as a speech teacher and her experiments with choral speaking as an educational and artistic technique. Born in the late nineteenth century, Gullan witnessed the waning days of elocution, and throughout her lengthy career, which extended …

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Influence Of Soil Reaction And Manganese Applications On Yields And Chemical Composition Of Soybean Plants, J E. Sedberry Jan 1983

Influence Of Soil Reaction And Manganese Applications On Yields And Chemical Composition Of Soybean Plants, J E. Sedberry

LSU Agricultural Experiment Station Reports

No abstract provided.

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Nutrition Of Navel Oranges In Southern Louisiana, L G. Jones Jan 1983

Nutrition Of Navel Oranges In Southern Louisiana, L G. Jones

LSU Agricultural Experiment Station Reports

No abstract provided.

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Xps Characterization Of Supported Iron/Ruthenium Carbon Monoxide Hydrogenation Catalyst Systems., Jeffry T. Donner Jan 1983

Xps Characterization Of Supported Iron/Ruthenium Carbon Monoxide Hydrogenation Catalyst Systems., Jeffry T. Donner

LSU Historical Dissertations and Theses

Literature in the field of catalysis is dominated by details of catalytic reactions, operating conditions, and product streams, with little regard for detailed physical characterization of the catalyst materials. It is now understood that knowledge of catalyst properties as a function of reaction properties may lead to the design of more active and/or selective catalysts. Thus, studies in the catalysis field are changing and the present investigation demonstrates the utility of an X-ray photelectron spectroscopic (XPS) characterization of supported iron, ruthenium, and iron-ruthenium bimetallic catalyst systems as a function of catalyst treatment(s). This physical and chemical information of the catalysts …

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A Study Of The Reading And Speaking Fundamental Vocal Frequency Of Aging Black Adults., Charlotte Anne Ducote Jan 1983

A Study Of The Reading And Speaking Fundamental Vocal Frequency Of Aging Black Adults., Charlotte Anne Ducote

LSU Historical Dissertations and Theses

The present study explored the relationships between fundamental frequency means and range extents for black adults in three decade intervals from 50-79 years of age during two speaking tasks. One hundred thirty-three males and 144 females participated in a spontaneous speaking task. Only 28 males and 65 females were able to participate in the reading activity. The results of the reading central tendencies for males suggested that the mean fundamental frequency increases with age for each decade interval (107.14 Hz, 111.00 Hz, and 129.09 Hz, respectively). The males in the 50- and 60-year decades had significantly lower means than the …

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Structure Elucidation And Chemistry Of Sesquiterpene Lactones From The Subtribe Melampodiinae., Arcelio Jose Malcolm Jan 1983

Structure Elucidation And Chemistry Of Sesquiterpene Lactones From The Subtribe Melampodiinae., Arcelio Jose Malcolm

LSU Historical Dissertations and Theses

The isolation and structure determination of seven new cis-1(10), cis-4-germacranolides, longicornin A-D, from Melampodium longicorne, 9-desacetoxymelcanthin F from Polymnia maculata, and 9-desacetoxymelcanthin A and 9-desacetylmelcanthin B from M. leucanthum is described. The structure, configuration and conformation of the new compounds were determined by chemical transformations, and spectral correlation using NMR, MS and CD. The single crystal X-ray diffraction of longicornin A represented the first crystal structure of a germacra-cis-1(10), cis-4-dien-trans-6,12-olide. Sodium borohydride reduction of 2(beta)-hydroxy-cis,cis-germacranolides formed rearrangement products under loss of the ester function at C-9 and double bond migration from 1(10) to the 9(10) position, via S(,N)2' reactions involving …

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The Lady From The Sea By Henrik Ibsen : A Production Thesis In Scene Design, Mark E. Mccann Dec 1982

The Lady From The Sea By Henrik Ibsen : A Production Thesis In Scene Design, Mark E. Mccann

LSU Historical Dissertations and Theses

The Lady From The Sea by Henrik Ibsen was selected as a thesis project in design in the spring semester, 1981. This thesis is a written record of the design aspect of the project. It includes an analysis of the script as it relates to the design, a discussion of the concept for the production, a description of the execution of the design and a post-production evaluation of the design. The thesis also includes pertinent drawings and photographs of the setting.

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A Monte Carlo Study On The Performance Of The Lagrange Multiplier Test To Collinearity Among Independent Variables When Multiplicative Heteroscedasticity Is Present, Gunduz Kamil Sunol Dec 1982

A Monte Carlo Study On The Performance Of The Lagrange Multiplier Test To Collinearity Among Independent Variables When Multiplicative Heteroscedasticity Is Present, Gunduz Kamil Sunol

LSU Historical Dissertations and Theses

This thesis is limited to a Monte Carlo study on the performance of the Lagrange multiplier test in terms of its power and robustness to collinearity when the independent variables are distributed both multivariate and lognormal with a given covariance matrix. Power is defined as the probability of rejecting the null hypothesis under the assumption that the alternative hypothesis is true. This probability is estimated for several sets of parameters and sample sizes using the Lagrange multiplier test. The results of the analysis indicate that very significant variations in the power of the test occur in the case of highly …

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River Otter Abundance, Distribution, And Habitat Use In Louisiana, Thomas Lee Edwards Sep 1982

River Otter Abundance, Distribution, And Habitat Use In Louisiana, Thomas Lee Edwards

LSU Historical Dissertations and Theses

River otter abundance, distribution and habitat use were determined in Louisiana, with emphasis placed on the parishes north of the coastal marshes. Records from 1913 to 1980 indicated that otter harvest and pelt price increased over the years. Data from a trapper survey for the 1980-81 season were used to estimate otter harvest for each parish, and the data were compared in a step-wise regression procedure with independent variables thought to affect otter abundance. Of the factors I considered, those most responsible for variation in trapper harvest among parishes were the area composed of non-forested wetlands, area composed of forested …

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A Systematic Study Of The Colombian Species Of The Genus Calea (Compositae), John Francis Fruski Aug 1982

A Systematic Study Of The Colombian Species Of The Genus Calea (Compositae), John Francis Fruski

LSU Historical Dissertations and Theses

Calea is a shrubby genus of Compositae (Heliantheae), which contains approximately one hundred species. The genus commonly occurs throughout the Neotropics in open, disturbed montane regions. A treatment has never been provided for the Colombian species of the genus. As a result of this study, seventeen species are recognized from over forty names of Calea attributed to Colombia. In addition, a key to species, descriptions, photographs, geographic distribution maps, and discussion of related species are provided. Also, floral illustrations are given for 13 species. New chromosome counts are given for six taxa of Calea, three of which occur in Colombia. …

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Scs 71: Two Remarkable Continuous Posets And An Appendix To "The Cl-Compactification And The Injective Hull Of A Continuous Poset", Rudolf-Eberhard Hoffmann Jul 1982

Scs 71: Two Remarkable Continuous Posets And An Appendix To "The Cl-Compactification And The Injective Hull Of A Continuous Poset", Rudolf-Eberhard Hoffmann

Seminar on Continuity in Semilattices

No abstract provided.

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The Potential For Improving Acifluorfen Efficacy By Rate Refinement And Sequential Applications (Morningglory, Cocklebur, Soybean)., Scotty Hugh Crowder Jan 1982

The Potential For Improving Acifluorfen Efficacy By Rate Refinement And Sequential Applications (Morningglory, Cocklebur, Soybean)., Scotty Hugh Crowder

LSU Historical Dissertations and Theses

Field and greenhouse studies were conducted in 1981 and 1982 to evaluate acifluorfen {5-{2-chloro-4-(trifluoromethyl)phenoxy}2-nitrobenzoic acid} efficacy in controlling morningglory (Ipomea spp.) and common cocklebur (Xanthium pennsylvanicum Wallr.) in soybeans {Glycine max (L.) Merr.}. Repeated low rate applications of 0.2 kg/ha active ingredient acifluorfen were compared to single applications for control of ivyleaf morningglory {Ipomea hederacea (L.) Jacq. var: hederacea}. In field studies two applications of 0.2 kg/ha acifluorfen increased control compared to a single application of 0.6 kg/ha, based on visual ratings and fresh weight reductions in ivyleaf morningglory. In the response of ivyleaf morningglory to increasing rates of acifluorfen, …

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Use Of Landsat Multispectral Scanner Digital Data For Mapping Suspended Solids And Salinity In The Atchafalaya Bay And Adjacent Waters, Louisiana., Robert Hilton Hughes Jan 1982

Use Of Landsat Multispectral Scanner Digital Data For Mapping Suspended Solids And Salinity In The Atchafalaya Bay And Adjacent Waters, Louisiana., Robert Hilton Hughes

LSU Historical Dissertations and Theses

The objective of this study was to use Landsat multispectral scanner (MSS) digital data in combination with concurrently collected in situ data for the assessment and mapping of water quality parameters within Atchafalaya Bay, Louisiana and adjoining estuarine waters. The water quality parameters investigated were suspended solids and salinity. The approach required the collection of water quality samples by helicopter at 33 preselected sample sites within two hours of the overpass of the Landsat spacecraft. Statistical regression models were developed between the Landsat MSS data and each of the water quality parameter measurements. The regression models were extended to the …

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Structural Interaction Between Nitrogenase And Cell Membrane In Free-Living, Nitrogen-Fixing Bacteria (Rhodopseudomonas, Viridis, Azotobacter, Vinelandii, Rhodospirillum, Rubrum)., Karen Smith Howard Jan 1982

Structural Interaction Between Nitrogenase And Cell Membrane In Free-Living, Nitrogen-Fixing Bacteria (Rhodopseudomonas, Viridis, Azotobacter, Vinelandii, Rhodospirillum, Rubrum)., Karen Smith Howard

LSU Historical Dissertations and Theses

Rhodopseudomonas viridis grows by means of nitrogen fixation under anaerobic, photosynthetic conditions. In batch culture, nitrogenase activity was highest at early-logarithmic phase, lower during mid- to late-logarithmic phase, and nearly zero during stationary phase. Nitrogen-fixing cells were morphologically and ultrastructurally similar to non-nitrogen-fixing cells as determined by electron microscopy. Electron spin resonance (esr) spectroscopy of nitrogen-fixing whole cells yielded g4.26 and g3.66 signals indicating the presence of nitrogenase molybdenum-iron (MoFe) protein. Ammonia switch-off occurred upon addition of 0.2 mM NH(,4)Cl, however, nitrogenase activity did not reappear for nearly four hours. Esr spectroscopy of whole cell multilayers (WCM) of Azotobacter vinelandii …

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Class Structure And Ideology: An Empirical Analysis Of Neo-Marxist Class Theory And Political Attitudes And Beliefs., George Frank Lord Iii Jan 1982

Class Structure And Ideology: An Empirical Analysis Of Neo-Marxist Class Theory And Political Attitudes And Beliefs., George Frank Lord Iii

LSU Historical Dissertations and Theses

This study examines the relationship between the infrastructure and the superstructure in the monopoly stage of capitalism. With the rise of monopoly capital a major issue of contention has been the development of a new class structure, the debate has centered around the nature and existence of the "middle class(es)". The three major issues are: a split in the working class due to the rise of an 'affluent worker'; a separation of mental and manual labor; and the development of a managerial class. The result has four Marxist alternative explanations of the middle class: contradictory locations, simple polarization, new petty …

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Assessment Of Raw Milk Microbiological Quality By Adenosine-5'-Triphosphate Content And Preliminary Incubation Bacterial Count., Jeffrey J. Ryan Jan 1982

Assessment Of Raw Milk Microbiological Quality By Adenosine-5'-Triphosphate Content And Preliminary Incubation Bacterial Count., Jeffrey J. Ryan

LSU Historical Dissertations and Theses

Two hundred raw milk samples were collected and stored in sanitized plastic containers which were transported in ice to the laboratory. Three 100 ml sub-samples were aseptically removed from each container. One sub-sample (Fresh) was analyzed for Standard Plate Count (SPC) and adenosine-5'-triphosphate (ATP) content. The two remaining sub-samples underwent preliminary incubation; one sub-sample was incubated at 12.8(DEGREES)C for 18 h (PI 12.8) and the other at 7.2(DEGREES)C for 48 h (PI 7.2). Following incubation, SPC and ATP content were determined. Correlation of ATP content with SPC-Fresh, SPC-PI 12.8 and SPC-PI 7.2 was 0.72, 0.84 and 0.89 with log(,10) transformed …

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Correlative Field And Laboratory Microcosm Approaches In Ascertaining Xenobiotic Effect And Fate In Diverse Aquatic Microenvironments., Ralph Joseph Portier Jan 1982

Correlative Field And Laboratory Microcosm Approaches In Ascertaining Xenobiotic Effect And Fate In Diverse Aquatic Microenvironments., Ralph Joseph Portier

LSU Historical Dissertations and Theses

The impact of a multitude of toxic chemicals, or xenobiotics, on diverse aquatic environments and the need to consider such factors in adjacent land use and disposal situations has necessitated the development of usable analytical predictive approaches. A microbial and enzymatic assessment protocol for determining the environmental effect and fate of these manufactured chemicals in coastal wetlands was devised. The protocol combined in situ analyses of interrelated soil/sediment microenvironments with statistical and analytical laboratory microcosm approaches in presenting valid predictive models of xenobiotic fate and effect. The general objective of this combined field/laboratory analysis was to provide a better understanding …

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Fermentation Kinetics For The Production Of Ethanol By Immobilized Yeast Cells (Biomass)., Wei-Youh Kuu Jan 1982

Fermentation Kinetics For The Production Of Ethanol By Immobilized Yeast Cells (Biomass)., Wei-Youh Kuu

LSU Historical Dissertations and Theses

Using immobilized microorganisms for ethanol fermentation from biomass has attracted much interest in recent years. Such a system offers unique advantages over traditional fermentation processes, e.g. higher productivities, higher ethanol tolerance, and continuous operation. The goals of this research were as follows: (1) to study the growth behavior of immobilized yeast cells and diffusion characteristics of the support, (2) to develop immobilization technology and improve the physical properties of the support, (3) to develop a generally applicable parameter estimation method for the complex reaction kinetics of immobilized biocatalysts, and (4) to determine ethanol fermentation kinetics using immobilized yeast cells. In …

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Nonprint Media Production In Secondary Schools., Rebecca N. Lawrence Jan 1982

Nonprint Media Production In Secondary Schools., Rebecca N. Lawrence

LSU Historical Dissertations and Theses

The purpose of the study was to determine the current status of nonprint media production in the public secondary schools. A questionnaire was administered to the media specialists/librarians at all Louisiana schools containing grades seven through twelve including schools listed as junior highs containing the sixth grade. A 90.909 percent response rate was achieved. Findings included the following: (1) In the order of occurrence, nonprint media produced in the public secondary schools of Louisiana were: overhead transparencies; cassette and/or reel to reel audio tapes; video tapes, photographic slides and photographic film development; slide/tape programs; computer programs; and 8mm films; (2) …

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A Curriculum For Training Extension Professionals In Energy Conservation Education., Daniel Fontenot Jr Jan 1982

A Curriculum For Training Extension Professionals In Energy Conservation Education., Daniel Fontenot Jr

LSU Historical Dissertations and Theses

Energy conservation is a relatively new educational program for the Cooperative Extension Service (CES). The shortage of training programs available to CES in energy education makes it difficult to properly prepare agents for energy conservation work. The purpose of this study was to develop a curriculum for in-service training of agents engaged in energy education. The procedure for achieving this purpose was used to identify the following: (1) Fundamental concepts necessary for energy conservation education. (2) Agents' knowledge level of these concepts. (3) Agents' perceived need for these concepts. (4) Agents' training requirements. Through a mail questionnaire selected agents from …

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A Study Of Cognitive And Attitude Change In Teacher Education Students Toward The Minority Child., Gisele Iren Pesti Friedrichs Jan 1982

A Study Of Cognitive And Attitude Change In Teacher Education Students Toward The Minority Child., Gisele Iren Pesti Friedrichs

LSU Historical Dissertations and Theses

The purpose of the study was to examine the relationship between knowledge change and attitude change in prospective teachers when presented information about minorities, in the form of a Multicultural Instructional Unit. The treatment text, Kleg and Rice: Race, Caste and Prejudice (1970), was accompanied by its achievement test, the Kleg-Puglisi: Cognitive Measuring Instrument which was used to measure cognitive change. A modified Bogardus Social Distance Scale, and a modified Kelly, Ferson, and Holtzman Desegregation Scale were the attitude change measuring instruments. Statistically significant differences were sought between experimental and control groups in cognition and attitudes, and attitude and cognition …

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Performance Of Selected Cultivars Of Poinsettia (Euphorbia Pulcherrima, Willd.) Grown Under Different Temperature Regimes., Sidney John Guedry Jr Jan 1982

Performance Of Selected Cultivars Of Poinsettia (Euphorbia Pulcherrima, Willd.) Grown Under Different Temperature Regimes., Sidney John Guedry Jr

LSU Historical Dissertations and Theses

The performance of seventeen cultivars of poinsettias grown under three temperature regimes in four crops was studied to determine the effects of temperature on plant quality and to determine a base temperature for each cultivar. Growth factors such as shoot height, node number, bract spread and flower size increased with increases in temperature. Bract number increased with cooler temperatures. Less time was needed for coloration and anthesis at the warm regime. Varietal responses varied with temperature with the cultivars 'Annette Hegg Diva', 'Gutbier V-10', 'Annette Hegg Dark Red' and 'Annette Hegg Supreme' achieving best quality in the cool regime. Lower …

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The Coupling Of Monte Carlo Integration With The Boundary Integral Equation Technique To Solve Poisson Type Equations., Gary Steven Gipson Jan 1982

The Coupling Of Monte Carlo Integration With The Boundary Integral Equation Technique To Solve Poisson Type Equations., Gary Steven Gipson

LSU Historical Dissertations and Theses

The primary topic of this work is a method for dealing with boundary element formulations of nonhomogeneous terms in Poisson type equations. A concise presentation of boundary integral techniques and the corresponding fundamental solutions plays an important role in this development. Using Monte Carlo quadrature theory, an algorithm for the construction of a two-dimensional BEM Poisson equation analyzer is derived. A FORTRAN program based upon this algorithm is presented as a novel device that solves the general Poisson equation in two-dimensional and axisymmetric geometries without domain discretization. In the axisymmetric case, Monte Carlo integration is also used to effectively compute …

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Measuring The Impacts Of Fasb Statement No. 8 And The Fluctuations In Foreign Currency Values On Multinational Corporation Security Prices., Abdelsalam Ali Kablan Jan 1982

Measuring The Impacts Of Fasb Statement No. 8 And The Fluctuations In Foreign Currency Values On Multinational Corporation Security Prices., Abdelsalam Ali Kablan

LSU Historical Dissertations and Theses

The purpose of this study is twofold. The first is to measure the impact of FASB 8 on multinational corporation (MNC) security prices. The second is to investigate the association between currency fluctuations and MNC security prices. Two types of empirical studies have been conducted to measure FASB 8's impact. The first were questionnaire studies measuring corporate managements' reactions toward the Statement. Their findings showed that corporate managers took certain costly decisions to alter the Statement's effects on reported earnings. The second type of study was conducted to measure the Statement's effect on security prices. Due to methodological problems, these …

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An Evaluation Of Two Methods Of Teaching Business Letter-Writing Skills., Beverly Ann House Jan 1982

An Evaluation Of Two Methods Of Teaching Business Letter-Writing Skills., Beverly Ann House

LSU Historical Dissertations and Theses

This study was conducted to determine what effect rewriting had on student achievement of positive message and negative message business letter-writing skills in a business communication course. It involved one hundred fourteen students at the University of New Orleans, New Orleans, Louisiana, during the fall semester of the 1981-82 academic year. The experimental-control group, pretest-posttest design was used and each of the two experimental groups completed two positive (A-Plan) and two negative (B-Plan) letter rewriting exercises. There were no rewriting assignments in the control group. All pretest and posttest letters were graded by five business communication instructors. Experimental Group I …

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Political Imagemaking: An Analysis Of The Television Commercials Aired During Louis Lambert's 1979 Gubernatorial Campaign., Thomas Joseph Karam Jan 1982

Political Imagemaking: An Analysis Of The Television Commercials Aired During Louis Lambert's 1979 Gubernatorial Campaign., Thomas Joseph Karam

LSU Historical Dissertations and Theses

This study examines the televised political image-making of Louis Lambert during his unsuccessful 1979 Louisiana gubernatorial campaign. During the campaign, over $20 million was spent by the six major candidates for the office of governor. Lambert spent approximately $3.5 million, with the majority of this money being spent on televised advertisement. The study includes an overview of Lambert's campaign followed by an analysis of his campaign. The three different phases of the campaign and the three media consultants Lambert employed is analyzed. The study also examines the verbal and non-verbal aspects of Lambert's political commercials. The study revealed that political …

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New Deal Archaeology In The Southeast: Wpa, Tva, Nps, 1934-1942., Edwin Austin Lyon Ii Jan 1982

New Deal Archaeology In The Southeast: Wpa, Tva, Nps, 1934-1942., Edwin Austin Lyon Ii

LSU Historical Dissertations and Theses

This study is a history of New Deal archaeology in the Southeastern United States from the Civil Works Administration (CWA) and the Tennessee Valley Authority (TVA) archaeological projects in the winter of 1933-1934 to the end of federal relief archaeology in 1942. The federal government selected archaeology as one of its relief programs to put to work some of the many unemployed Americans during the depression of the 1930s. This study focuses on the large Works Progress Administration (WPA) archaeological programs in Louisiana and Kentucky, the combined WPA and TVA programs in Alabama and Tennessee, and the WPA and National …

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The Effect Of Feedback Sensitivity On Learned Heart Rate Acceleration And Deceleration., John Edward Monguillot Jan 1982

The Effect Of Feedback Sensitivity On Learned Heart Rate Acceleration And Deceleration., John Edward Monguillot

LSU Historical Dissertations and Theses

The effects of sensitivity of heart rate feedback on bidirectional heart rate control were examined by comparing two groups of 10 subjects who received feedback signals of either high or low sensitivity. Subjects in the high sensitivity condition received a feedback signal in which 1 cm of feedback meter needle movement was equivalent to an 8.57 beat-per-minute (BPM) change in momentary heart rate. The low sensitivity condition received a feedback signal which was one-half as sensitive, i.e. 1cm = 17.14 BPM change. All subjects received 8 sessions of training and each session included three within-session phases. The three within-session phases …

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