The problem for the project emerged threefold: (1) to further explore the uses of the graphite medium including the possible integration of wet media color on large surfaces, (2) to use the human figure as subject matter, and (3) to explore gessoed drawing surfaces of masonite and paper.

This is a quartet in three movements: allegro ben marcato (free form); adagio appasionato (passacaglia); and presto (scherzo). These three movements comprise an arch-form, the first and third being similar stylistically and thematically, the second forming the "pillar".

The composition is in four scenes and requires approximately twenty-two minutes for performance. The discussion and analysis includes a brief description of the plot, the techniques used for unification, and an explanation of the treatment of the musical parameters in each scene.

The problem of this study has been an investigation and comparison of the school dropout rates of Mexican American and Anglo Students and their reasons for leaving school in a large metropolitan school district in Texas. The specific purposes were (1) to ascertain the dropout rates of Mexican American and Anglo students within similar socioeconomic status and to compare these rates; (2) to compare the reasons for dropping out of school given by Mexican American and Anglo students; and (3) to delineate the implications for the school district's instructional program and its operation. Based on an analysis of the findings of this study, the following conclusions were formulated: (1) the school district studied is not meeting the needs of Mexican American students, particularly Mexican American females; (2) it can be expected that Mexican American female students are more likely to drop out than are Anglo females; and (3) Mexican American and Anglo dropouts do not believe that there is anyone on the school staff in whom they can confide their decision to drop out.

Several final sewage effluents from the Denton Disposal Plant were demonstrated to contain Poliovirus types II and III. Pleated encapsulated filters at pH3.5 enhanced the recovery of the Poliovirus at a higher tier in comparison with nitrocellulose filter (Millipore) and glass fiber filter of pore size 0.45u. This thesis explores problems that face us today in our quest to eliminate viral pathogens from the natural and waste water needed for human, domestic, and industrial consumption. Preliminary experiments concern the use of immunofluorescence, and immunodiffusion techniques as a means of poliovirus identification, which invariably suggests that these techniques may be useful as rapid screening procedures of water samples for presence of potentially pathogenic viruses.

The present study was concerned with investigating children's generalized locus of control of reinforcement and its possible relationship to the demographic variables of birth order and family size. The sample consisted of 93 school children in Grades 6, 7, and 8. The analysis of data was by a 2 x 3 factorial design. Results indicated no significant differences in the generalized locus of control orientations of first-born, intermediate-born, and youngest children. Results also indicated that children of these different birth order positions from small families and from large families did not differ significantly in their generalized locus of control orientation. A correlational study of the data showed that the children's locus of control orientations were unrelated to sex differences.

In order to test a collisional pumping model as a mechanism for cooling the 6 cm and 2 cm doublets of interstellar formaldehyde, a quantum mechanical scattering calculation is performed. To obtain the intermolecular interaction between H$sub 2$CO($sup 1$A$sub 1$) and He($sup 1$S) two calculations are performed, a Hartree-Fock (HF) potential surface and a configuration interaction (CI) surface. A basis set of better than ''triple zeta plus polarization'' quality is used to compute the HF portion of the potential energy surface. This portion is highly anisotropic and has a slight attraction arising from induction effects at intermolecular separations around 9 a.u. The HF surface is modified through a series of CI calculations. Correlation is found to have little effect in the strongly anisotropic repulsive region of the interaction potential but dominates the well and long-range regions. The maximum well depth is attained for in-plane approaches of He and lies in the range 35-40$sup 0$K for arbitrary theta at center of mass separation of 7.5 a.u. The entire surface is fit to a spherical harmonic expansion to facilitate scattering applications. (auth)

The nonlinear coupling of intense, monochromatic, electromagnetic radiation with plasma is considered in a number of special cases. The first part of the thesis serves as an introduction to three-wave interactions. A general formulation of the stimulated scattering of transverse waves by longitudinal modes in a warm, unmagnetized, uniform plasma is constructed. A general dispersion relation is derived that describes Raman and Brillouin scattering, modulational instability, and induced Thomson scattering. Raman scattering (the scattering of a photon into another photon and an electron plasma wave) is investigated as a possible plasma heating scheme. Analytic theory complemented by computer simulation is presented describing the nonlinear mode coupling of laser light with small and large amplitude, resonantly excited electron plasma waves. The simulated scattering of a coherent electromagnetic wave by low frequency density perturbations in homogeneous plasma is discussed. A composite picture of the linear dispersion relations for filamentation and Brillouin scattering is constructed. The absolute instability of Brillouin weak and strong coupling by analytic and numerical means is described. (auth)

In this thesis two unrelated topics of reactor physics are examined: the prompt jump approximation and alternating direction checkerboard methods. In the prompt jump approximation it is assumed that the prompt and delayed neutrons in a nuclear reactor may be described mathematically as being instantaneously in equilibrium with each other. This approximation is applied to the spatially dependent neutron diffusion theory reactor kinetics model. Alternating direction checkerboard methods are a family of finite difference alternating direction methods which may be used to solve the multigroup, multidimension, time-dependent neutron diffusion equations. The reactor mesh grid is not swept line by line or point by point as in implicit or explicit alternating direction methods; instead, the reactor mesh grid may be thought of as a checkerboard in which all the ''red squares'' and '' black squares'' are treated successively. Two members of this family of methods, the ADC and NSADC methods, are at least as good as other alternating direction methods. It has been found that the accuracy of implicit and explicit alternating direction methods can be greatly improved by the application of an exponential transformation. This transformation is incompatible with checkerboard methods. Therefore, a new formulation of the exponential transformation has …

This study recounts the events surrounding the Federal Radio Commision's (FRC) 1931 decision to remove radio station KGEF. Robert Shuler, minister of Los Angeles' Trinity Methodist Church, South, used KGEF to attack city officials and organizations whom he felt were corrupt. Chapters explore Shuler's background and acquisition of KGEF, his use of KGEF, and FRC and Court hearings and appeals. The study concludes that the action against Shuler, resulting in deletion of KGEF, may have resulted from political pressures. In spite of the "landmark" status of the Shuler case, his First Amendment rights may have been violated.

Performances of multimedia works are hampered by the difficulty of controlling large numbers of incandescent lamps rapidly and accurately. The instrument described in this document is aimed at alleviating this problem. Chapter I describes the design and operation of the voltage-controlled dimmer unit and the DC controller. Chapter II describes step-by-step procedures for building the instrument. Schematics, wiring diagrams, and illustrative photographs are included. Chapter III discusses some of the aesthetics and philosophy of multimedia composition, and then describes various scenarios which utilize the instrument. Included are the connection of peripheral control equipment, audio/Video interfacing, and the potential for constructing prepared tapes which will automatically drive the dimmers. The prototype was built at the NTSU Electronic Music Center.

This investigation is concerned with the analysis of a production of Peter Pan, a large-scale musical play, which was presented at Dallas Repertory Theatre in February of 1975. This analysis is intended to be both an educative discussion of the experimental nature of the show and a practical guide to the production of a typical musical play by a non-professional company. The most outstanding elements examined include the following: (1) casting a teen-age boy, instead of an adult, in the title role; (2) casting children in all children's roles, and adults in all adult roles; (3) modification of the script and score to implement the casting of children in key roles; (4) the utilization of a short motion picture to simulate the flying of actors onstage.

The investigation presented here was accomplished using agglutination and agar gel immunodiffusion techniques to compare Azotobacter agilis s 3at, A. chroococcum Italy AC 16, A. macrocytogenes St. M and A. vinelandii ATCC 12837. It was found that the agglutination titers differed sufficiently to allow partial identification of the four species. The homologous and heterologous systems studied by agar gel immunodiffusion tests showed that each of the four Azoto bacter species differed sufficiently in their soluble antigens to give distinct, identifiable patterns of antigen-antibody reactions on Ouchterlony agar plates. These studies also showed several antigens common to the four species tested and the resultant antigen-antibody cross reactions. The results of these investigations suggest that this approach opens a new avenue for the identification of the organisms of genus Azotobacter and perhaps, by extension, the family Azotobacteraceae.

The problem of this study was to arrange, develop, and stage creatively a complete dance composition in four parts using the ocean as a thematic source. The five specific purposes relating the theme and the choreography were developed and expressed through the medium of modern dance. A written report including the historical and scientific background of the thematic source and the choreographic process was also submitted. A video-tape recording is also available of the completed dance composition.

Hexokinase has been found in a soluble and a bound form in homogenates of Ascaris suum muscle. Cellulose acetate electrophoresis, isoelectric focusing, and ion exchange chromatography confirmed the presence of only one molecular form of hexokinase in this muscle. A procedure for purifying hexokinase from Ascaris muscle has been developed. The physical and catalytic properties of the enzyme are comparable to mammalian hexokinases. The enzyme is a monomer with a molecular weight of 100,000 as determined by sodium dodecyl sulfate polyacrylamide gel electrophoresis and gel filtration. The Michaelis constants for glucose and ATP are 4.7 x 10-3 M and 2.2 x 10-4 M, respectively. Ascaris' hexokinase also exhibits end-product inhibition by glucose 6-phosphate and ADP. It is postulated that the kinetic para meters of the enzyme are the results of its function, that of generating glucose 6-phosphate primarily for glycogen synthesis.

The lecture recital was given on April 18, 1974. Some Mendelssohn organ works in manuscript were performed during the lecture to illustrate Mendelssohn's indebtedness to baroque models and his evolution as an organ composer.

Although President Theodore Roosevelt intervened in the Dominican Republic in 1905 to prevent European creditor nations from securing a foothold at the Atlantic entrance to the Panama Canal, the idea persists among certain historians that Roosevelt's motives for intervention were primarily economic, not political. A close examination of Dominican economic history from the inauguration in 1882 of the tyrannical President Ulises Heureaux, combined with a study of American diplomacy toward the Dominican Republic to the initiation of the customs receivership in 1907, demonstrates that American policy attempted to thwart outside intervention, not promote economic subversion. Best primary sources are the State Department's Diplomatic Instructions, 1801-1906; the Despatches, 1883-1906; and Jacob H. Hollander's "Report" and "Exhibits." Excellent secondary sources are Dana G. MIunro's Caribbean studies.

The problem of this study was to determine the professional preparation, playing experience, and involvement in professional organizations of secondary school coaches in Northeast Texas. This information was presented in such a manner that comparisons might be made with recommendations for certification of high school coaches by the American Association for Health, Physical Education and Recreation. The findings of the study seem to warrant several basic conclusions. Degree requirements, playing experience, and professional activities of the coaches appeared adequate. The coaches' professional preparation in physical education seemed inadequate according to the recommendations for certification.

Thirty-one college age females enrolled in aerobic dance conditioning classes were subjects. The purposes were to determine if aerobic dance is sufficiently vigorous to elicit a heart rate capable of producing a training effect and to determine whether a training effect heart rate level can be maintained. The narco-biosystems telemetry was used to monitor heart rates. Each subject performed one aerobic dance at three trials. Twelve-minute run/walk pretests and post-tests were given to assign fitness levels. Results of the study indicate that aerobic dance is an effective cardiovascular training program. Resting heart rates decreased, fitness levels improved, and training intensity heart rates were elicited and maintained at each of the trials.

This research demonstrates that experience with uncontrollable reinforcement, here defined as continuous non-contingent positive feedback to solution attempts of insoluble problems, fails to produce the proactive interference phenomenon, learned helplessness, while uncontrollable aversive events, here defined as negative feedback to solution attempts of insoluble problems, produces that phenomenon. These results partially support the "learned helplessness" hypothesis of Seligman (1975) which predicts that experience with uncontrollable reinforcement, the offset of negative events or the onset of positive ones, results in learning that responding is independent of reinforcement and that learning transfers to subsequent situations. This research further demonstrates that experience with controllability, here defined as solubility, results in enhanced competence.

This study analyzes the themes of victimization and self-sacrifice as they appear in the life and works of Oscar Wilde. "Victimization" is defined as an instance in which one character disregards, damages, or destroys another's well-being; "self-sacrifice" is an instance in which one character acts to his own detriment in order to help another or through dedication to a cause or belief. Chapter I discusses the way in which these concepts affected Wilde's personal life. Chapters II-VI discuss their inclusion in his romantic/decadent dramas, social comedies, various stories and tales, novel, and final poem; and Chapter VII concludes by demonstrating the overall tone of charitable morality that these two themes create in Wilde's work as a whole.

The synthesis and characterization of two new Schiff base copper(II) complexes are reported. These are Cu(acac: 2-amino-l-phenylethanol) and Cu(acac:2-amino-l-butanol). The ligands, derived from acetylacetone and the appropriate aminoalcohol, are dibasic tridentates with 0,N,O donor atoms. The magnetic properties of the complexes were studied at several temperatures between 78 OK and 296 OK. The magnetic moment of Cu(acac:2-amino-l-phenylethanol) varied little with temperature, and that of Cu(acac:2-amino-lbutanol) increased as the temperature was lowered. This is in contrast to the magnetic moment of Cu(acac:ethanolamine), which decreases as the temperature decreases. Molecular weight data, infrared spectra, magnetic data, electronic spectra, and electron spin resonance spectra of both complexes are reported and discussed.

Rates of primary production and community metabolism were monitored over a one year period using the diurnal oxygen method. Certain physico-chemical parameters were also measured, and autotrophic standing crops were estimated. An in-depth study was made of the phytoplankton community and various diversity indicies were calculated. Simple correlations were run between all parameters measured (biotic and abiotic), and their inter-relationships examined. Multiple linear regression analyses were used to develop equations predictive of production and community metabolism. Bluegreen algae were the dominant phytoplankters with blooms occurring in late summer and fall. Yearly mean production was approximately 21 kcal per meter square per day with a mean photosynthetic efficiency of 1.2 per cent. Of the various parameters measured turbidity and water temperature were most important in determining rates of primary production.

By the early 1900s, ambitious business leaders were transforming Dallas, Texas into a rising commercial metropolis. However, the problems created by rapid urban growth spawned demands from all classes of citizens upon local government for more public improvements and services. When city government failed to meet these demands, many citizens began to seek a more responsive governmental system. Their search led to the establishment of a commission government which, like the modern business corporation, delegated authority to competent, well-paid administrators. Civic reformers hoped that the new system would represent overall community interests. However, Dallas business leaders, believing that continued urban expansion depended upon a city government attuned to business interests, organized a political movement which won them control of the city commission.