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5
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4
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104 Matching Results
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A Reinvestigation of the Kinetics and Mechanism of Ligand Exchange in Mu-(2,2,8,8-Tetramethyl-3, 7-Dithianonane)-Decacarbonylditungsten(0)
This student is interested in reinvestigating the kinetics and mechanism of the bridged compound in l,2-dichloroethane with triisopropyl phosphite and in finding the reasons why the values of competition ratio k₋₂ /k₃ in this reaction are so large.
Date:
August 1988
Creator:
Liao, Jing-Piin
System:
The UNT Digital Library
Internal Radiolabeling of Mycobacterial Antigens and Use in Macrophage Processing Studies
Mycobacter avium complex serovars 4 and 20 were cultured in the presence of [3H] fucose, [3H]-methionine, and [3H]-mannose to specifically radiolabel the oligosaccharide of the glycopeptidolipid (GPL) antigens. Distribution of radioactivity in lipid was determined by thin-layer chromatographic methods. Examination of acid hydrolysates from radiolabeled antigens revealed that [3H]-methionine incorporated into methylated sugars in polar and apolar GPL components, whereas [3H]-mannose incorporated exclusively into the oligosaccharide of polar GPL antigens. Least incorporation of radiolabel into antigens was observed with [3H]-fucose. Use of radiolabeled serovar 4 antigens in macrophage uptake studies revealed maximum uptake to be slightly above 250 gg/ 3.2 x 105 cells. Timed experiments demonstrated that GPL antigens were relatively inert to degradation by resident peritoneal macrophages.
Date:
August 1988
Creator:
Woodbury, Julie L. (Julie Lynn)
System:
The UNT Digital Library
Three Dimensional Comparison of Free Throw Shooting: the Women's Small Ball vs. the Large Ball
The purposes of this study were to quantify, in three dimensions (3D), kinematic parameters of the free throw shot with both the women's small ball and the large ball, and to compare the parameters of the small ball to the large ball. Nine female varsity college basketball players were filmed and the 3D data were computed with the Nonlinear Transformation method. Statistical analysis of parameters including ball trajectory and body position failed to show an effect for ball condition. Since the velocity of release was not statistically different between the two balls and the ball mass was different, the results suggest that impulse is the differing factor.
Date:
August 1988
Creator:
Thomson, Carol Jane
System:
The UNT Digital Library
Subordinate Perceptions of Superior's Competence Related to Superior's Use of Compliance-Gaining Tactics
None
Date:
August 1988
Creator:
Johnson, Gerianne M.
System:
The UNT Digital Library
Remembrance of the Fiftieth Anniversary of the Dedication of the Moravian Church at Lititz, Pennsylvania, 13 August 1837: An Edition of Moravian Music
This thesis is a musical reconstruction of the primary services held on 13 August 1837, for the fiftieth anniversary of the dedication of the Moravian church at Lititz, Pennsylvania. The work includes general background on the Moravians and interprets information from contemporary sources to place the music in its accurate historical context. The edition of music comprises more than one half of the paper, and is taken from the original manuscript scores used. Included in the edition are five concerted anthems for choir and orchestra, and eighteen hymns from eighteenth- and early nineteenth-century Moravian tunebooks. The special texts come from an original set of orders of service.
Date:
August 1988
Creator:
Green, Richard T. (Richard Thurmond)
System:
The UNT Digital Library
In Vitro Modulation of Rat Liver Glyoxalase II Activity
Glyoxylase II (Glo II, E.C. 3.1.2.6) catalyzes the hydrolysis of S-D-Lactoylglutathione (SLG) to D-Lactate and glutathione. This is the rate limiting step in the conversion of methylglyoxal to D-Lactate. The purpose of the present study was to determine whether or not a relationship exists between some naturally occuring metabolites and in vivo modulation of Glo II. We have observed a non-competitive inhibition (~ 45%) of Glo II in crude preparation of rat liver by GTP (0.3 mM). A factor (apparently protein),devoid of Glo II,when reconstituted with the purified Glo II, enhanced Glo II activity. This coordinate activation and inhibition of Glo II suggest a mechanism whereby SLG levels can be modulated in vivo.
Date:
August 1988
Creator:
Mbamalu, Godwin E.
System:
The UNT Digital Library
Relationships Between Adolescent Premarital Sexual Activity and Involvement in the Home, School and Church
The purpose of the study was to find the relationship between adolescent premarital sexual activity and involvement in the family, school, and church. The sample was composed of 192 adolescents. The data were analyzed for significant relationships by using chi square test of independence. The study found that there were significant relationships between adolescent premarital sexual activity and family structure, family mobility, parental employment, grade level achievement, and parental attendance at school functions. Since the findings of a study of this nature are pertinent to society, further research needs to be done using a more heterogeneous sample and a more refined, limited instrument. The instrument should be further tested for reliability and validity.
Date:
August 1988
Creator:
Henegar, Abbie Gayle
System:
The UNT Digital Library
Genetic Variation in a Population of the Plains Woodrat Neotoma micropus
Neotoma micropus from Jack County, Texas, were studied over a 9-month period. Loci from blood and saliva were used to determine genetic variation within the population. Deviations from Hardy-Weinberg equilibrium were found at one locus. The average temporal F over all seven loci was 0.040. Genetic structuring was subtle, fluctuated on a seasonal basis, and was due to differential migration or predation on genotypes. Heterozygotes tended to move more than homozygotes, and a greater proportion of heterozygotes were lost from the population during each season. Genetic variation was maintained in the population by immigrant individuals. This differential in dispersal of genotypes fits current models of reorganization within the genome of populations.
Date:
August 1988
Creator:
Stewart, John E. B. (John Edward Bakos)
System:
The UNT Digital Library
Girolamo Savonarola and the Problem of Humanist Reform in Florence
Girolamo Savonarola lived at the apex of the Renaissance, but most of his biographers regard him as an anachronism or a precursor of the Reformation. Savonarola, however, was influenced by the entire milieu of Renaissance Florence, including its humanism. Savonarola's major work, Triumph of the Cross, is a synthesis of humanism, neo-Thomism and mysticism. His political reforms were routed in both the millennialist dreams of Florence and the goals of civic humanism. Hoping to translate the abstract humanist life of virtue into the concrete, he ultimately failed, not because the Renaissance was rejecting the Middle Ages, but because the former was reacting against itself. Florence, for all its claims of being the center of the Renaissance, was not willing to make humanist reform a reality.
Date:
August 1988
Creator:
Norred, Patricia A.
System:
The UNT Digital Library
On the Development of Descriptive Set Theory
In the thesis, the author traces the historical development of descriptive set theory from the work of H. Lebesgue to the introduction of projective descriptive set theory. Proofs of most of the major results are given. Topics covered include Corel lattices, universal sets, the operation A, analytic sets, coanalytic sets, and the continuum hypothesis The appendix contains a translation of the famous letters exchanged between R. Baire, E. Borel, J. Hadamard and H. Lebesgue concerning Zermelo's axiom of choice.
Date:
August 1988
Creator:
Schlee, Glen A. (Glen Alan)
System:
The UNT Digital Library
Shoulder Muscle Electromyography During Diagonal and Straight Plane Patterns of Movement
The purpose of this study was to further investigate the relationship between patterns of shoulder movement and muscular response. Thirteen females were tested against maximal manual resistance in twelve different patterns, eight straight plane, and four diagonal. Five of the six subjects who met established kinematic criteria were used for electromyographic (EMG) analysis of the anterior deltoid (AD), the middle deltoid, the posteroir deltoid (PD), and the pectoralis major. No significant differences were found between number of muscles solicited or duration of muscular effort during the different movements. Maximal EMG was significantly higher for the AD in abduction and in flexion than in the other patterns, and for the PD in diagonal flexion with abduction and in transverse abduction.
Date:
August 1988
Creator:
Nelson, Julia Kathryn
System:
The UNT Digital Library
Corporate Tax Rates and the Purchasing Power Parity Doctrine
This thesis analyzes the effect of corporate tax rates on the purchasing-power-parity (PPP) doctrine. The data used to test this hypothesis are drawn from the U. S., the U. K., the Federal Republic of Germany, Canada, and Japan. The first chapter introduces the reader to the concepts of the PPP doctrine and states the hypothesis. Chapter 2 reviews the literature on the PPP doctrine. Chapter 3 specifies a model of the PPP doctrine including tax rates. Chapter 4 reports and interprets the findings. The study is summarized and conclusions are drawn in chapter 5. In this study it is shown that tax rates are significant only in the case of the U. S. dollar/Canadian dollar exchange rate.
Date:
August 1988
Creator:
Ballard, Billy L. (Billy Lanoy)
System:
The UNT Digital Library
The Effect of Teacher Approval/Disapproval on Students' On-Task Behaviors in a Selected Beginning Strings Class
The present study explored whether (a) positive or negative reinforcement would produce higher percentages of on-task student behavior at set timed intervals, (b) positive, negative, or total reinforcement would increase student attentiveness after reinforcement, and (c) if natural fluctuations in teacher approval/disapproval would have any bearing on percentages of student attentiveness. Findings of the 15-day study concluded that (a) positive reinforcement maintained significantly higher levels of student attentiveness over negative reinforcement, (b) negative reinforcement did not significantly lower percentages of student attentiveness, and (c) natural fluctuations in rates of teacher approval/disapproval had no apparent effect on the amount of on-task behavior in the beginning strings class.
Date:
August 1988
Creator:
Thomas, Elizabeth Lord
System:
The UNT Digital Library
English Methods Courses in Texas Preparation for the Essential Elements
This study analyzes the congruence between the objectives of secondary-level English methods courses in Texas universities and the objectives of the state-mandated high school curriculum (the essential elements) in language arts. A questionnaire was used to obtain information from 26 English methods instructors at 22 universities in Texas. The data obtained from these questionnaires reveal that these instructors strongly emphasize preparing prospective English teachers to teach the essential elements of composition. Other significant findings include: (1) the lack of emphasis in the English methods course on strategies for teaching the essential elements of language, when those elements are unrelated to composition, and (2) the lack of uniformity which characterizes the organization of the English methods course at major Texas universities.
Date:
August 1988
Creator:
Erwin, Martha L. (Martha Lea)
System:
The UNT Digital Library
Adenylate Energy Charge Determinations of Soil Bacteria Grown in Soil Extract Medium
The adenylate energy charge values of twenty bacteria isolated from soil and cultured in a medium consisting of soil and distilled water were determined by the luciferin-luciferase bioluminescense method. The purpose of this study was to examine the growth and energy charge values of these organisms in soil extract medium, and to determine what effect the addition of glucose has on their energy charge values. Three of the organisms employed in this study showed energy charge values similar to those reported for bacteria grown in enriched media. The remainder of the isolates demonstrated low energy charge values, and scant growth in the soil medium.
Date:
August 1988
Creator:
Rodriguez, Luis A. (Luis Antonio)
System:
The UNT Digital Library
Predicting Attendance and Work Performance from Pre-Entry Attitudes and Self-Reported Behaviors
Absenteeism, lateness, and work performance on the job were investigated. Pre-entry attitudes and self-reported behaviors in the three areas were assessed via RELY, a self-report instrument developed by Kurt Helm (1980). Subjects (N=282) were entry-level stock, bag and clerical personnel for a large grocery store chain. They were 91% Caucasian and 62% male. Results showed significant correlation between three empirically derived scales and criteria: total days absent, total occurrences of lateness, and supervisory performance ratings. However, these findings were considerably weaker under cross-validation. The findings indicate absence-proneness as a tenable concept. Further investigation may find a considerable amount of the variance in attendance to be the result of pre-entry attitudes.
Date:
August 1988
Creator:
Leeman, Gordon E. (Gordon Ellis)
System:
The UNT Digital Library
Temporally Versus Non-Temporally Contiguous Administration of the Tellegen Absorption Scale and Assessment of Hypnotic Susceptibility
The present study tested the hypothesis that contiguity, regarding time of administration of the Tellegen Absorption Scale (TAS), differentially influences hypnotic susceptibility. Forty-eight subjects were administered the TAS immediately prior to assessment of hypnotic susceptibility versus 43 subjects who received the TAS one to three days before assessment of hypnotic susceptibility. Absorption, when measured in the temporally versus nontemporally contiguous context did not appear to affect hypnotic susceptibility. Absorption did, however, correlate significantly with hypnotic susceptibility in the temporally contiguous group as compared to a non-significant correlation in the nontemporally contiguous group. This finding suggests is a relationship between differential administration of the TAS with regard to time of administration and hypnotic susceptibility.
Date:
August 1988
Creator:
Cawood, Glenn N. (Glenn Nicolson)
System:
The UNT Digital Library
An Evaluation of a Computerized Coping Skills Training Program Developed for Use in a Correctional Setting
This thesis is an evaluation of two coping skills programs and their effects on inmates' mental health status. The original computer coping skills program designed for the general population was modified to address the specific needs of an incarcerated population.This thesis evaluated the differences in the mental health status of the two treatment groups compared with the control group and with each other to assess the effectiveness of the two programs. The results of this study showed substantial improvement in the mental health status for the two treatment groups. There are indications from this study that specialty software designed specifically for inmates may result in lower levels of depression than non-tailored software.
Date:
August 1988
Creator:
Salerno, Lillian E. (Lillian Elizabeth)
System:
The UNT Digital Library
Authorship, Content and Intention in the West Saxon Consolation of Philosophy
Boethius, a late Roman philosopher, composed his last work, De Consolatione Philosophiae, while in prison. His final effort crowned a lifetime of philosophical achievement, and the work was influential throughout the Middle Ages. Frequently translated, the Consolation was one of the books which was chosen by Alfred, a ninth century Anglo-Saxon king, for use in the rebuilding of his kingdom after the Danish invasions. Although intended for an audience which was heavily influenced by a lively pagan tradition, the book was re-interpreted during the Carolingian period to conform to a strict Christian standard. Alfred's own interpretation is indicative of this amalgamation of ancient learning in the milieu of an emerging European culture, as well as his own pragmatic personality.
Date:
August 1988
Creator:
Painter, William Ernest
System:
The UNT Digital Library
An Investigation Into the Use of the Computer as a Design Tool in the Creation of Modular Sculpture
The idea of using the computer as a design tool seemed ideal for my sculpture. The simplicity of my sculptures and their repeating elements are easily rendered by computer technology. The computer allowed me to perceive my designs accurately from different perspectives. My hand-rendered designs, by contrast, were difficult to read, especially from multiple views. The computer sharpened my designs, while showing me the different views in less time. Although the designs were computer assisted, I commanded all of the manipulations. This procedure is different from computer-generated design, in which the computer is programmed to do the designing itself. My investigation of the computer as a design tool answered several questions.
Date:
August 1988
Creator:
Kent, Carolyn E.
System:
The UNT Digital Library
Response of Female Athletes to Twelve-Week Plyometric Depth-jump Training
This study aimed to investigate the response of trained intercollegiate and national level female athletes to twelve week depth-jump (DJ) training performed twice weekly with forty repetitions of DJs performed each training session. Results of statistical analysis revealed that only the .3 and .5 meter experimental group improved significantly on VJ ability. However, there was no significant increase in LS for either experimental group compared to the control group. It was concluded that DJ training from .3 and .5 meter heights is more optimal for increasing VJ ability of trained female athletes compared to the 0.75 and 1.1 meter heights as recommended by Verhoshanski for trained male athletes. It was also concluded that DJ training has the the ultimate purpose of developing explosive leg power not leg strength.
Date:
August 1988
Creator:
Adel, Ahmed Mousa
System:
The UNT Digital Library
Music for String Orchestra
Music for String Orchestra is a work of approximately sixteen minutes duration for chamber orchestra. The work is scored for eight first violins, six second violins, four violas, four to six cellos and two to four double basses. The work is in three movements. Movement I is in a large three-part form, movement II a simple three-part form and the last movement is in a large three-part form. The first and last movements are unified by several aspects, while the second movement employs material that is independent of the first and last movements. The main difference between the three movements is that the first and last movements are based on a western music idiom and the second movement is rooted in a Korean music idiom.
Date:
August 1988
Creator:
Park, Soonhee
System:
The UNT Digital Library
Studies of the Membrane and DNA Gyrase Inhibiting Antibiotics on Pigment Synthesis in Corynebacterium Poinsettiae
The purpose of this study was (1) to determine whether a correlation exists among the protein profiles, extracted from cell membranes of mutants belonging to five pigment cluster groups, (2) to locate the protein moiety and cartenoprotein complex in the membranes of wild type and colorless mutant (designated W-19) of C. poinsettae and to show whether there are any structural differences between cell membranes of the wild type and a colorless mutant, (3) to determine the effect of six antibiotics on cartenoid gene expression.
Date:
August 1988
Creator:
Tabarya, Daniel
System:
The UNT Digital Library
Studies on Poly(ADP-ribose) Metabolism and Chromatin Structure
In these studies, a procedure which allowed the in vivo labeling and detection of poly(ADP-ribose) was combined with nuclear fractionation techniques to analyze the nuclear distribution of ADP-ribose polymers. The results from these studies suggest the occurrence of poly(ADP-ribose) metabolism in two compartments of chromatin; one that is nuclear matrix-associated and one that is not. The biological significance of this compartmentalization is conceptualization in a model. This model postulates that, under some physiological conditions, poly(ADP-ribose) metabolism accomplishes the reversible targeting of specific regions of chromatin to the nuclear matrix domain by modulating DNA-protein and or protein-protein interactions.
Date:
August 1988
Creator:
Cárdenas-Corona, María E. (María Elena)
System:
The UNT Digital Library