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Salinity Effects On The Development And Larval Tolerance Of Five Species Of Echinoderms., Richard Allen Roller Jan 1987

Salinity Effects On The Development And Larval Tolerance Of Five Species Of Echinoderms., Richard Allen Roller

LSU Historical Dissertations and Theses

Salinity effects on the developmental rates, larval tolerances and various metabolic processes of five species of echinoderms were investigated. Development of Lytechinus variegatus (Lamarck), Strongylocentrotus droebachiensis (O. F. Muller, 1776), Strongylocentrotus purpuratus (Stimpson, 1857), Strongylocentrotus pallidus (G. O. Sars, 1871), and Pisaster ochraceus (Brandt, 1835) larvae were observed. Developmental rates and larval survival to metamorphosis of S. droebachiensis and S. pallidus varied directly with salinity and were well within the observed salinity tolerance and distributional limits for the adults. For each species, embryos and larvae at lower salinities (20, 22.5, and $25\sp{o}\!/\!\sb{oo})$ tended to develop more slowly than those at …

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Regulation Of Dextransucrase Secretion By Proton Motive Force In Leuconostoc Mesenteroides., David Roland Otts Jan 1987

Regulation Of Dextransucrase Secretion By Proton Motive Force In Leuconostoc Mesenteroides., David Roland Otts

LSU Historical Dissertations and Theses

The relationship between proton motive force and the secretion of the enzyme dextransucrase (E.C. 2.4.1.5) in Leuconostoc mesenteroides was investigated. The transmembrane pH gradient was determined by measurement of the uptake of radiolabeled benzoate or methylamine while the membrane potential was determined by measurement of the uptake of radiolabeled tetraphenylphosphonium bromide. Leuconostoc mesenteroides was able to maintain a constant proton motive force of $-130$ mV when grown in fermenters at constant pH while a value of $-140$ mV was determined from concentrated cell suspensions. The contribution of the membrane potential and transmembrane pH gradient to the proton motive force varied …

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Physiological Aspects Of Bovine Mammary Involution: A Biochemical And Morphological Investigation., Lorraine Marie Sordillo Jan 1987

Physiological Aspects Of Bovine Mammary Involution: A Biochemical And Morphological Investigation., Lorraine Marie Sordillo

LSU Historical Dissertations and Theses

Quarter milk secretion samples and blood serum for compositional analysis were collected weekly from 29 cows beginning at drying off and continuing until 2 weeks postpartum. Quarter biopsies were taken from 5 additional animals at weekly intervals beginning at drying off through parturition. Histological and cytological parameters of tissues were correlated with biochemical characteristics of secretions. Increased tight junction permeability and decreased synthetic ability of secretory epithelium became evident by changes in mammary secretion composition and tissue morphology during the first 2 weeks of involution. Somatic cell counts, serum albumin, lactoferrin, immunoglobulin G, pH, total protein, and serum concentrations of …

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Estimation Of Direct And Maternal Additive And Heterotic Genetic Effects For Preweaning Traits In Beef Cattle., Chi Lawrence Tawah Jan 1987

Estimation Of Direct And Maternal Additive And Heterotic Genetic Effects For Preweaning Traits In Beef Cattle., Chi Lawrence Tawah

LSU Historical Dissertations and Theses

Progency records from 4 generations of a rotational crossbreeding experiment were fitted to a regression equation to obtain estimates of direct and maternal additive (Ig, Mg) and heterotic (Ih, Mh) genetic effects of preweaning traits for Angus (A), Brahman (B), Charolais (C), Hereford (H) breeds and their combinations. These estimates were fitted to prediction equations to compare preweaning performance of breed groups under different mating systems. Heterosis estimates were used to compute expected heterosis for each rotational cross. The C had the largest Ig estimate for BWT (5.2 kg), ADG (.074 kg/d) and WWT (22.1 kg) while H had the …

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Acceptability And Effectiveness Of Group Contingencies For Improving Spelling Achievement., Timothy Lawrence Turco Jan 1987

Acceptability And Effectiveness Of Group Contingencies For Improving Spelling Achievement., Timothy Lawrence Turco

LSU Historical Dissertations and Theses

This 12-week study conceptually merged cooperative learning and group contingency approaches to classroom interventions to assess how varying task and incentive structures affect fifth-grade students' spelling achievement, social status, and perceptions of treatment procedures. The study used two groups (treatment and control group) of fifth-grade students. The students in the treatment group were actively involved with one of six group contingency procedures designed to improve spelling performances. The conditions for students in the treatment groups varied on dimensions of task structure (group or individual) and incentive structure (interdependent, dependent, or no incentive). Treatment acceptability, spelling achievement, and peer nominated social …

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A Study Of Political Bias In Decisions Made By The National Labor Relations Board In Unfair Labor Practice Cases., Ronald Harold Schroeder Jan 1987

A Study Of Political Bias In Decisions Made By The National Labor Relations Board In Unfair Labor Practice Cases., Ronald Harold Schroeder

LSU Historical Dissertations and Theses

An important question has pervaded the field of labor-management relations for over fifty years: Is political bias present in the decisions rendered by National Labor Relations Board members in unfair labor practice cases? This study develops and tests a model of Board member decisions in selected unfair labor practice cases over the period 1962-1983. By studying 2147 decisions made by seventeen individual members, a relationship was found among the decisions and several variables of political party affiliations, personal background factors of members, and conditions within the procedure by which allegations of unfair labor practice violations are processed for decision. Political …

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Mary Augusta Ward: An Annotated Bibliography Of Secondary Writings, 1888-1985., Jeffrey Smith Jan 1987

Mary Augusta Ward: An Annotated Bibliography Of Secondary Writings, 1888-1985., Jeffrey Smith

LSU Historical Dissertations and Theses

This dissertation is an annotated bibliography of the secondary writings on the major fiction and nonfiction of Mary Augusta Ward, spanning the years 1888-1985. The bibliography is comprised of book reviews, articles from scholarly journals, book length biographies and critical studies, parodies, reminiscences, biographical sketches, letters, chapters on Mrs. Ward taken from books not primarily about her, reviews of works about Mrs. Ward which contain comments about her, dissertations, and critical introductions to editions of her novels.

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The Relationship Between Supervisory Methods And Teacher Self-Concept As A Teacher And As A Person., Annis Dowden Tarver Jan 1987

The Relationship Between Supervisory Methods And Teacher Self-Concept As A Teacher And As A Person., Annis Dowden Tarver

LSU Historical Dissertations and Theses

This study was designed to test the relationship between methods of supervision used during the supervisory conference and teacher self-concept as a teacher and as a person. The method of supervision, the independent variable in the research design, was either clinical supervision using the Hunter (1980) method or traditional supervision. The clinical method of supervision used specific, diagnostic, and prescriptive feedback given by the supervisor during a series of supervisory conferences that followed the five types of supervisory conferences proposed by Hunter. The traditional method of supervision used general and non-specific feedback given by the supervisor during a series of …

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Boundary Effects On The Drag Of A Cylinder In Axial Motion At Low Reynolds Number., Elias George Wehbeh Jan 1987

Boundary Effects On The Drag Of A Cylinder In Axial Motion At Low Reynolds Number., Elias George Wehbeh

LSU Historical Dissertations and Theses

This work is an experimental study of the Stokes drag on a right circular cylinder moving with constant velocity through a Newtonian viscous fluid. The cylinder velocity is parallel to its longitudinal axis, and the fluid is bounded on the outside by a fixed coaxial cylindrical tube of circular cross section. The length to diameter ratio of the moving cylinder ranges from 1.0 to 390, the ratio of the width of the annular gap to the cylinder length ranges from 0.0077 to 0.86, and the ratio $\alpha$ of the cylinder diameter to the tube diameter ranges from 0.022 to 0.91. …

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Influences Of Different Processing Technologies On The Properties Of Emulsion-Type Sausages., Yun-Chu Wu Jan 1987

Influences Of Different Processing Technologies On The Properties Of Emulsion-Type Sausages., Yun-Chu Wu

LSU Historical Dissertations and Theses

Emulsion-type sausages were manufactured for evaluation of microstructure, smokehouse yield, and textural characteristics with different lean sources, salt levels, casing sizes and endpoint cooking temperatures. Emulsion stability and water binding capacity of raw batters manufactured with 1, 2 or 3% salt were examined at chopping temperatures of 10, 15.5 and 21$\sp\circ$C. Frankfurters, manufactured with three sources of pork fat, were examined during a nine week storage for oxidative rancidity under different packaging conditions. Bologna from forage-finished beef had lower water, fat and total losses and a higher smokehouse yield than bologna from grain-fed beef at 1 and 2% salt levels. …

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A Rhetorical Analysis Of Selected Republican Speeches In The 1856 Presidential Election Campaign., Linda Jean Webster Jan 1987

A Rhetorical Analysis Of Selected Republican Speeches In The 1856 Presidential Election Campaign., Linda Jean Webster

LSU Historical Dissertations and Theses

The Republican party organized its first presidential campaign in 1856. The party was composed of men from a wide variety of political backgrounds, primarily from free soil and anti-slavery groups. The rhetoric of this first Republican campaign represented the efforts of these individual speakers to reconcile their free soil arguments with the official party platform. Although the party was loosely organized and poorly funded, many respected orators participated in the campaign. As background for the rhetorical analysis, the major political and historical events of the decade are identified in the first two chapters. Bleeding Kansas, abolitionism, and the reorganization of …

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The Management Of Dying: Tasks And Social Relationships In Patient Care., Jeffrey Michael Clair Jan 1987

The Management Of Dying: Tasks And Social Relationships In Patient Care., Jeffrey Michael Clair

LSU Historical Dissertations and Theses

A grounded theory approach guides the interpretation of observational, semi-structured interviews, content analysis, and taped discourse data collected from a 48 bed oncology unit with 288 study patients. Data are presented to explicate generated concepts of regressive intervention and the dying role. Data indicate that when physicians no longer perceive their goals of cure achievable, they distance themselves from patients. Physicians use certain devices to facilitate this gradual or abrupt, but purposeful, withdrawal from patients' curative regimens. These devices are specified in discourse transcripts as use of the medical record, silence, and alternative interactions (family members). Physician-authority, cautious optimistic conversational …

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Development Of A Soft-Tissue Infection Model In The Cow., Cyril Roy Clarke Jan 1987

Development Of A Soft-Tissue Infection Model In The Cow., Cyril Roy Clarke

LSU Historical Dissertations and Theses

The ultimate goals of this study were to develop and define a subcutaneous tissue chamber as a suitable device for establishing a Pasteurella haemolytica soft-tissue infection model in cattle and to use this model to study the in vivo efficacy and distribution of a potentiated sulfa antimicrobial. Developmental studies resulted in the selection of a suitable tissue chamber design that maximized the chamber penetration of an intravenously administered lipid-soluble drug. This chamber could be sampled with ease and contained enough chamber fluid to allow repetitive sampling. Cytological and chemical investigation revealed that the composition of fluid within chambers approached the …

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A Supply Response Model For Rice And Soybeans In The Mississippi Delta., David Leon Hoppenstedt Jan 1987

A Supply Response Model For Rice And Soybeans In The Mississippi Delta., David Leon Hoppenstedt

LSU Historical Dissertations and Theses

This study examines the economic sources of variation in the supply of rice and soybeans in the Mississippi Delta. As farmers alter their land allocations to various crops, they cause fluctuations in the supply of agricultural products. Traditional theory posits that acreage planted is a function of lagged prices, but does not explicitly recognize some technological constraints. One prevalent technological constraint is that the monocropping of particular crops results in a significant decrease in land productivity. The model in this study attempts to improve the specification of the technological constraint of declining soil productivity due to monocropping. Two different statistical …

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Modeling The Uptake Of Sulfur By Cotton, Soybean, And Wheat In Three Alluvial Soils Of Louisiana., Jorge Ariel Delgado Jan 1987

Modeling The Uptake Of Sulfur By Cotton, Soybean, And Wheat In Three Alluvial Soils Of Louisiana., Jorge Ariel Delgado

LSU Historical Dissertations and Theses

The Barber and Cushman (1981) mechanistic model of element uptake by plants was used to help elucidate the mechanisms that govern the movement of S in soils and S uptake by plants. Sulfur uptake predicted by the model was compared to measured S uptake by 'Stoneville 825' cotton (Gossypium hirsutum L.), 'Centenial' soybean (Glycine max L. Merr.), and 'Coker 916' wheat (Triticum aestivum L.) grown on Gallion very fine sandy loam (Typic Hapludalf), Mhoon silty clay loam (Typic Fluvaquent), and Norwood silt loam (Typic Udifluvent) under glasshouse conditions. Predicted S uptake by the model was significantly correlated with observed uptake. …

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Ultrastructural And Molecular Studies Of The Fungus {\It Mucor\/}: The Mitochondrion And The Recombinant-Rna Genome., Geun Eog Ji Jan 1987

Ultrastructural And Molecular Studies Of The Fungus {\It Mucor\/}: The Mitochondrion And The Recombinant-Rna Genome., Geun Eog Ji

LSU Historical Dissertations and Theses

Mitochondria from aerobic hyphae of Mucor racemosus displayed a relatively elongated morphology with well developed cristae and stained in positive contrast. Mitochondria from anaerobic yeast cells were more circular in form, displayed less distinct but well recognizable cristae, and stained in negative contrast. Tween 80, ergosterol or cerulenin did not alter mitochondrial morphology when added to cultures. Mitochondria from cells grown in the presence of chloramphenicol displayed a morphology intermediate between those of yeast and hyphae and stained in negative contrast. Mitochondria were isolated by isopycnic centrifugation in Percoll. A single band in hyphal preparations displayed cyanide-sensitive respiration and was …

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Educational Research And Educational Policy-Making: A Case Study Of Local Level Utilization., Marie Stafford Lacour Jan 1987

Educational Research And Educational Policy-Making: A Case Study Of Local Level Utilization., Marie Stafford Lacour

LSU Historical Dissertations and Theses

This study examined the relationship between evaluation of curriculum policies and utilization of evaluative results at the local level. The central question in the study concerned the influence of locally conducted evaluative research on the nature and extent of organizational policy decision making. Public school decision makers from four levels of responsibility participated in the study. School board members, central office administrators, principals and teachers were asked to respond to a summary of the results from a study evaluating a local curriculm problem and to answer a questionnaire documenting respondent perception of the relevance of local research to policy decisions. …

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Interdependent Group-Oriented Contingencies: Effects Upon Collateral Behaviors., Verdi Rountree Lethermon Jan 1987

Interdependent Group-Oriented Contingencies: Effects Upon Collateral Behaviors., Verdi Rountree Lethermon

LSU Historical Dissertations and Theses

Two interdependent group-oriented contingency (g-o-c) systems to improve academic behavior were compared to a no treatment control group. Additionally, the two interdependent group-oriented contingency systems were compared to each other regarding their effects on several collateral behaviors (classroom behavior, social interactions and peer sociometric ratings). Six fourth and fifth grade classes (126 students) were randomly assigned to three experimental conditions. The first treatment group (positive g-o-c) was an interdependent group-oriented contingency system which reinforced overall science performance at or better than a level of 90%. The second treatment group (negative g-o-c) was also an interdependent group-oriented contingency system which discouraged …

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Multivariable Control Of Double Effect Heat Integrated Distillation Columns., Shao-Yu Lin Jan 1987

Multivariable Control Of Double Effect Heat Integrated Distillation Columns., Shao-Yu Lin

LSU Historical Dissertations and Theses

The design of a reliable control scheme and efficient computer control algorithm for the double effect heat integrated distillation columns under floating pressure operation to control four product compositions on setpoint specifications has been studied. The system includes a pair of distillation columns with the vapors of one column providing the heat source for the other column. The economic profitabilities of four different configurations of the double effect heat integrated distillation columns for the methanol and water system have been investigated using the ASPEN PLUS process simulation program. Three of the four configurations of the double effect heat integrated columns …

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Studies On The Protein Changes In Skeletal Muscles Of Gulf Coast Finfish Species Associated With Frozen Storage, Formaldehyde Addition And Freeze-Thawing Cycles., Myrna O. Nisperos-Carriedo Jan 1987

Studies On The Protein Changes In Skeletal Muscles Of Gulf Coast Finfish Species Associated With Frozen Storage, Formaldehyde Addition And Freeze-Thawing Cycles., Myrna O. Nisperos-Carriedo

LSU Historical Dissertations and Theses

The effects of frozen storage, formaldehyde addition and freeze-thawing cycles were determined using three finfish species from the Gulf of Mexico, spotted seatrout (Cynoscion nebulosus), black drum (Pogonias cromis) and mullet (Mugil cephalus). Frozen storage of spotted seatrout fillets at $-20\sp\circ$C for 6 weeks led to reductions in pH, water-binding capacity and solubility of salt-extractable proteins. SDS-Polyacrylamide gel electrophoretic examination of the salt-extractable proteins showed that as time of storage increased, aggregation of high-molecular weight components occurred. The addition of 300 ppm formaldehyde prior to frozen storage did not produce significant changes. However, muscles containing 500 ppm formaldehyde showed decreases …

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Borehole Friction Assessment And Application To Oilfield Casing Design In Directional Wells., Eric Edgar Maidla Jan 1987

Borehole Friction Assessment And Application To Oilfield Casing Design In Directional Wells., Eric Edgar Maidla

LSU Historical Dissertations and Theses

The phenomenon of mechanical friction in the oil well borehole was investigated. Immediate application of such a study is to improve casing design in directional wells. An additional application is the prediction of reciprocating loads in directional wells for cementing purposes, that is recognized to be an effective method to avoid cement channeling through efficient mud displacement. Field studies on the borehole friction coefficient revealed its insensitivity to depth, various well trajectories, size of pipe and its surface configuration, leading to the conclusion that one value of the borehole friction factor can represent a single well. Also there was good …

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Occupational Assimilation Of Asian Americans, 1980., Gloria Luz Rodriguez Martinez Jan 1987

Occupational Assimilation Of Asian Americans, 1980., Gloria Luz Rodriguez Martinez

LSU Historical Dissertations and Theses

This study was designed to examine the existence of differential returns to social and demographic characteristics on occupational status among whites and Asian American males aged 25-64 years old. The human capital, assimilation and segmented labor market theories of occupational attainment provided framework for investigating the occupational differentials of each of the six major groups of Asian Americans with whites. Using data drawn from the one-percent sample of the 1980 census, Public Use Microdata Samples (PUMS), it was found that Asian Americans are economically assimilated. Findings attesting to this fact are as follows: first, the occupational distribution of the Asian …

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Evaluation Of The Louisiana Cooperative Extension Service Housing Education Program, And Analysis Of Audience And General Public Housing Practices., Claudette Hanks Reichel Jan 1987

Evaluation Of The Louisiana Cooperative Extension Service Housing Education Program, And Analysis Of Audience And General Public Housing Practices., Claudette Hanks Reichel

LSU Historical Dissertations and Theses

The objectives of this study were to: determine the housing practices of the Louisiana Cooperative Extension Service housing audience and of the general public (for use in program planning); determine if significant differences existed between the housing practices of the general public and the Extension housing topic audiences (for accountability and impact assessment); and, determine if household characteristics are significant predictors of housing practices. The research procedure utilized a "comparison group" design. Data were collected in 1984 from matched random samples of the Extension housing audience and the general public of Louisiana. Over 800 telephone interviews were completed by Extension …

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Marital Relationships And Conflict Resolution Skills Of Bulimics., Dorothy Jo Van Buren Jan 1987

Marital Relationships And Conflict Resolution Skills Of Bulimics., Dorothy Jo Van Buren

LSU Historical Dissertations and Theses

Bulimia is an eating disorder characterized by episodic binge eating and other related symptomatology. Previous research suggests that bulimics experience interpersonal problems particularly in the areas of conflict resolution and in their satisfaction with their roles within their families and marriages. The present study compared 12 bulimic couples to 14 maritally distressed couples and 15 normal control couples on measures of relationship satisfaction, conflict resolution styles, and beliefs about intimate relationships. In addition, couples' communication styles were analyzed based on their participation in an analogue conflict situation. Results of this study provided support for the contention that bulimics experience dissatisfaction …

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Group Actions On Minimal Functions Over Finite Fields., Francisco Rivero Jan 1987

Group Actions On Minimal Functions Over Finite Fields., Francisco Rivero

LSU Historical Dissertations and Theses

This work deals with the Fourier transform over finite fields. A notion of minimal function for the Fourier transform is defined. The minimal functions are shown to be a generalization of the famous Legendre symbol $\Psi$. The minimal functions are studied here in terms of group actions, allowing both upper and lower estimates on the size of the set of all minimal functions. These estimates are sufficient to settle a conjecture of O. C. McGehee on the number of minimal functions.

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Characterization Of Equine Infectious Anemia Virus Variants Generated In Vivo And In Vitro And A Rapid Assay For Virus-Specific Antibody., Paul Murumba Rwambo Jan 1987

Characterization Of Equine Infectious Anemia Virus Variants Generated In Vivo And In Vitro And A Rapid Assay For Virus-Specific Antibody., Paul Murumba Rwambo

LSU Historical Dissertations and Theses

Three Shetland ponies (A, B and C) were inoculated with plasma from a pony with clinical signs of equine infectious anemia (EIA) and observed for 165 to 440 days. Clinical signs of EIA marked by high fever (39.5$\sp\circ$C) lasting 2-4 days were observed 2-3 weeks after infection and one to four such episodes occurred in each pony. EIAV was reisolated from plasma by end-point dilution in fetal equine kidney (FEK) cells and a plasma viremia 10$\sp{3.5}$ TCID$\sb{50}$/ml was observed during each episode. A total of seven virus isolates were recovered. Cross-neutralization tests with sequential serum samples showed that four viruses …

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Interactions Of Weed, Nematode, And Arthropod Management Strategies With The Louisiana Sugarcane Agroecosystem: A Holistic Perspective., Allan Thomas Showler Jan 1987

Interactions Of Weed, Nematode, And Arthropod Management Strategies With The Louisiana Sugarcane Agroecosystem: A Holistic Perspective., Allan Thomas Showler

LSU Historical Dissertations and Theses

Interactions among Louisiana sugarcane (Saccharum hybrids), weeds, nematodes, sugarcane mosaic virus (SCMV), and pest, prey, and predatory arthropods were mediated through tropic, host plant biochemical, and intra- and interspecific competitive relationships. Weed competition reduced crop biomass (15%, P $\le$ 0.005), and sugar yield (13%, P $\le$ 0.05). Weeds, however, were associated with more predatory arthropods, including Solenopsis invicta Buren, on the soil, weeds, and sugarcane plants, and with reduced Diatraea saccharalis (F.) injury (over 25%, P $\le$ 0.05). Without chemical D. saccharalis control, sugarcane production in weedy habitats was economically superior to that in weed-free habitats. Aldicarb, a nematicide-insecticide, diminished …

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Queueing Networks With Blocking., Horst Hermann Von Brand Jan 1987

Queueing Networks With Blocking., Horst Hermann Von Brand

LSU Historical Dissertations and Theses

The area of classical (product form) queueing networks is briefly discussed. The principal results for classical queueing networks are summarized. The transfer, service and rejection blocking policies are defined, and their use in queueing network models are presented. An overview of the literature in the area of queueing networks with blocking is given, and the relations between the three blocking policies is discussed in general. Duality theorems for open and closed queueing networks with rejection blocking and a single job class are proved. Using a duality theorem, an exact solution is found for closed blocking networks which contain so many …

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Resort Evolution Along The Gulf Of Mexico Littoral: Historical, Morphological, And Environmental Aspects., Klaus J. Meyer-Arendt Jan 1987

Resort Evolution Along The Gulf Of Mexico Littoral: Historical, Morphological, And Environmental Aspects., Klaus J. Meyer-Arendt

LSU Historical Dissertations and Theses

The development histories of eight coastal resorts along the Gulf of Mexico littoral (Fort Myers Beach, Pensacola Beach, Dauphin Island, Grand Isle, Galveston Island, South Padre Island, Tecolutia, and Progreso) are documented to evaluate variability of temporal, spatial, and environmental aspects of resort development. Temporally, a modified S-curve model of resort evolution is offered to describe the historical development of seaside resorts, and stages of exploration, infrastructural development, and settlement expansion precede each resort's levelling off stage. The upper level of development, or level of maturation, varies among the sites, primarily as a function of demand. Resorts in high demand …

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An Economic And Statistical Analysis Of Selected Structural Characteristics Of Louisiana Agricultural Sector And Its Impact On Resource Situations., Stephen Leong Jan 1987

An Economic And Statistical Analysis Of Selected Structural Characteristics Of Louisiana Agricultural Sector And Its Impact On Resource Situations., Stephen Leong

LSU Historical Dissertations and Theses

This study focuses on the importance of structural change in the farm sector and its interactive relationship with the nonfarm sector. This relationship was exemplified through an overview and trend analysis of the structural change and resource adjustments that have occurred in the farming areas in Louisiana between 1959 and 1982. Extrapolative forecasting techniques, such as trend extrapolation, Markov Process, negative exponential and age cohort analysis, were used to project changes in farm numbers to the year 2000. The results show declining farm numbers and the continuation of present trends. Large and medium size farms will increase while small and …

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