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3-D transient eddy current calculations for the FELIX cylinder experiments
The three-dimensional eddy current transient field problem is formulated first using the U-V method. This method breaks the vector Helmholtz equation into two scalar Helmholtz equations. Null field integral equations and the appropriate boundary conditions are used to set up an identification matrix which is independent of null field point locations. Embedded in the identification matrix are the unknown eigenvalues of the problem representing its impulse response in time. These eigenvalues are found by equating the determinant of the identification matrix to zero. When this initial forcing function is Fourier decomposed into its spatial harmonics, each Fourier component can be associated with a unique eigenvalue by this technique. The true transient solution comes through a convolution of the impulse response so obtained with the particular external field decay governing the problem at hand. The technique is applied to the FELIX cylinder experiments; computed results are compared to data. A pseudoanalytic confirmation of the eigenvalues so obtained is formulated to validate the procedure.
Date:
December 1, 1986
Creator:
Davey, K. R. & Turner, L. R.
Object Type:
Report
System:
The UNT Digital Library
AACOG Region, Volume 13, Number 12, December 1986
Monthly newsletter of the Alamo Area Council of Governments describing news and events of relevance to the agencies.
Date:
December 1986
Creator:
Alamo Area Council of Governments
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Absorption, Relaxation, and Imagery Instruction Effects on Thermal Imagery Experience and Finger Temperature
A skill instruction technique based on cognitive behavioral principles was applied to thermal imagery to determine if it could enhance either subjective or physiological responsiveness. The effects of imagery instruction were compared with the effects of muscle relaxation on imagery vividness, thermal imagery involvement, and the finger temperature response. The subjects were 39 male and 29 female volunteers from a minimum security federal prison. The personality characteristic of absorption was used as a classification variable to control for individual differences. It was hypothesized that high absorption individuals would reveal higher levels of imagery vividness, involvement, and finger temperature change; that imagery skill instruction and muscle relaxation would be more effective than a control condition; and that the low absorption group would derive the greatest benefit from the imagery task instruction condition. None of the hypotheses was supported. Finger temperature increased over time during the experimental procedure but remained stable during thermal imagery. The results suggest that nonspecific relaxation effects may best account for finger temperature increases during thermal imagery. Results were discussed in relation to cognitive-behavioral theory and the characteristic of absorption.
Date:
December 1986
Creator:
Durrenberger, Robert Earl, 1951-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Advanced Light Water Reactor Program: Program management and staff review methodology
This report summarizes the NRC/EPRI coordinated effort to develop design requirements for a standardized advanced light water reactor (ALWR) and the procedures for screening and applying new generic safety issues to this program. The end-product will be an NRC-approved ALWR Requirements Document for use by the nuclear industry in generating designs of LWRs to be constructed for operation in the 1990s and beyond.
Date:
December 1, 1986
Creator:
Moran, D. H.
Object Type:
Report
System:
The UNT Digital Library
Aerosols generated by spills of viscous solutions and slurries
Safety assessments and environmental impact statements for nuclear fuel cycle facilities require an estimate of potential airborne releases caused by accidents. Aerosols generated by accidents are being investigated by Pacific Northwest Laboratory to develop methods for estimating source terms from these accidents. Experiments were run by spilling viscous solutions and slurries to determine the mass and particle-size distribution of the material made airborne. In all cases, 1 L of solution was spilled from a height of 3 m. Aqueous solutions of sucrose (0 to 56%) gave a range of viscosities from 1.3 to 46 cp. The percent of spill mass made airborne from the spills of these solutions ranged from 0.001 to 0.0001. The mass of particles made airborne decreased as solution viscosity increased. Slurry loading ranged from 25 to 51% total solids. The maximum source airborne (0.0046 wt %) occurred with the slurry that had the lightest loading of soluble solids. The viscosity of the carrying solution also had an impact on the source term from spilling slurries. The effect of surface tension on the source term was examined in two experiments. Surface tension was halved in these spills by adding a surfactant. The maximum weight percent airborne from …
Date:
December 1, 1986
Creator:
Ballinger, M Y & Hodgson, W H
Object Type:
Report
System:
The UNT Digital Library
The Age, Volume 7, Number 12, December 1986
Monthly publication containing information related to Chambers County, Texas, including current events of the Chambers County Historical Commission, the Wallisville Heritage Park, and the Chambers County historical and genealogical societies; reprinted newspaper articles about county events and citizens; and historical news and records.
Date:
December 1986
Creator:
Wallisville Heritage Park (Organization)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Akha notebook 130
Handwritten notes and comments on previous notebooks.
Date:
December 1986
Creator:
Hansson, Inga-Lill
Object Type:
Text
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 64, No. 288, Ed. 1 Monday, December 1, 1986
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 1, 1986
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Analyses of operational times and technical aspects of the Salton Sea scientific drilling project: (Final report)
The Deep Salton Sea Scientific Drilling Program (DSSSDP) was conducted in Imperial County of California at the Southeastern edge of the Salton Sea. Emphasis was on the acquisition of scientific data for the evaluation of the geological environment encountered during the drilling of the well. The scientific data acquisition activities consisted of coring, running of numerous downhole logs and tools in support of defining the geologic environment and conducting two full scale flow tests primarily to obtain pristine fluid samples. In addition, drill cuttings, gases and drilling fluid chemistry measurements were obtained from the drilling fluid returns concurrent with drilling and coring operations. The well was drilled to 10,564 feet. This report describes the field portions of the project and presents an analysis of the time spent on the various activities associated with the normal drilling operations, scientific data gathering operations and the three major downhole problem activities - lost circulation, directional control and fishing.
Date:
December 1, 1986
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
An Analysis of Critical Skills Used by Correctional Education Personnel
A review of the literature indicated that critical skills needed by educators to work with adjudicated youth in correctional settings had not been sufficiently identified or analyzed. Research efforts using survey instruments appeared to offer a method for gathering data in order to develop and study a comprehensive list of critical skills of correctional educators. A survey instrument was developed in bifurcate format that required respondents to rate 135 skill items according to Importance and Proficiency. Two parallel Likert-type scales were provided so that respondents could rate items according to their perceptions of Importance and Proficiency, The instrument was mailed to three groups consisting of educators in youth correctional facilities, state level administrators of youth corrections, and college/university faculty in correctional education preservice teacher preparation programs. A total of 366 surveys were mailed with 183 (50%) returned. Four hypotheses and eight corollaries were developed. Data were analyzed using MANOVA to test for significant differences among all groups and within subjects for one group (correctional educators). The findings did not support the hypotheses or corollaries. Therefore, all hypotheses and corollaries were rejected. However, ANOVA and Chi-Square procedures revealed significant differences among groups and within Group 1, correctional educators. The findings suggested …
Date:
December 1986
Creator:
Roberts, Dewey F. (Dewey Franklin)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Analysis of Human Transfer RNA Gene Heteroclusters
Two phage lambda clones encompassing human tRNA genes have been isolated from a human gene library harbored in bacteriophage lambda Charon-UA. One of the clones (designated as hLeuU) containing a 20-kb human DNA fragment was isolated and found to contain a cluster of four tRNA genes. An 8.2-kb Hindlll fragment encompassing the four tRNA genes was isolated from the 20-kb fragment and subcloned into pBR322 for restriction mapping and DNA sequence analysis. The four tRNA genes are arranged as two tandem pairs with the first pair containing a proline tRNAAGQ gene and a leucine tRNAAAQ gene and the second pair containing another proline tRNAAGG gene and a threonine tRNAuQU gene. The two pairs are separated about 3 kb from each other, and the leucine tRNAAAG gene is of opposite polarity from the other three tRNA genes. The tRNA transcription units were sequenced by a unidirectional deletion dideoxyribonucleotide chain-termination method in the M13mpl8 and 19 vectors. The coding regions of the four tRNA genes contain characteristic internal split promoter sequences and do not encode intervening sequences nor the CCA trinucleotide found in mature tRNAs. The proline t R N A A G G gene is separated from the leucine t R …
Date:
December 1986
Creator:
Chang, Yung-Nien
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Analysis of Nocturnal op. 70 by Benjamin Britten
Nocturnal op. 70 is one of the most important large-scale works written for guitar in the twentieth century. Brief biographical data and some background information on Nocturnal show how it exemplifies Britten's compositional approach. The focus of the analysis is on three structural aspects: the rhythmic, the intervallic, and the aspect of underlying pitch patterns. The rhythmic analysis discusses the distortion of rhythmic patterns by the use of compression, expansion, elisions, syncopation, and rhythmic dissonance. The pitch set analysis discusses the intervallic character of the work, identifying and correlating set types as they form networks of relationship. The reductive analysis discusses the underlying connections of focal pitches in the linear material of Nocturnal. The conclusion then correlates the results of the preceding analyses, discussing the large-scale unfolding of the form in Nocturnal.
Date:
December 1986
Creator:
Frackenpohl, David J. (David John)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Analysis of Respiratory Mechanisms Controlling Exercise Hyperpnea During Cycle Ergometry Conducted at Selected Workloads and Pedal Frequencies
Respiratory and metabolic patterns in response to variations in exercise workload (WL) and pedal frequency (RPM) were examined in 10 healthy males. Each subject performed WLs of low (L), moderate (M) and high (H) intensity, equivalent to 25%, 50% and 75% V02 m a x at 7 pedal frequencies (40, 50, 60, 70, 80, 90 and 100 RPM). ANOVA ( 3 X 7 design) indicated that WL and RPM had independent and significant effects on all respiratory and metabolic measures; i.e., the greater the WL and RPM, the higher the HR, V02, VC02, Ve, Fb, Vt, Vt/Ti, Vt/Te and Ti/TtQt and the lower the Ti and Te. However, analysis of the interaction effect revealed different response patterns for Fb, Vt, Ti, Vt/Ti, Vt/Te and Ve among the WLs. During L-WL, increases in RPM produced increases in Ve which were due to progressive increases in both Fb and Vt. However, during M-WL and H-WL, increases in RPM produced increases in Ve which were accomplished by a constant Vt and a progressive increase in Fb. My findings suggest that during low WLs, the signal for Vt is dependent on rate of contraction, while during M-WL and H-WL, the signal for Vt appears …
Date:
December 1986
Creator:
Wise, Charles Hamilton
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Analysis of surface contaminants on beryllium windows
It is known that various crystalline and liquid compounds form on the downstream surfaces of beryllium windows exposed to air. It is also known that the integrity of such windows may be compromised resulting in leaks through the window. The purpose of this report is to document the occurrences described as they pertain to the NSLS and to analyze, where possible, the various substances formed.
Date:
December 1, 1986
Creator:
Gmur, N. F.
Object Type:
Report
System:
The UNT Digital Library
An Analysis of Teacher Performance Evaluation Policies and Criteria in Texas Public Schools
The purposes of this study were to identify the procedures and criteria used for conducting teacher performance evaluation in Texas public schools, to determine the degree to which teacher performance evaluation procedures and instruments reflect the stated evaluation policies of Texas public schools, and to determine the degree to which teacher performance evaluation instruments used in Texas public schools reflect presage criteria (teacher characteristics) as opposed to process criteria (teacher behavior) as opposed to product criteria (student change or gain) as opposed to general job performance requirements (job expectations). The main findings include the following. (1) Teacher performance evaluation is required in all Texas public school districts and is often performed several times a year by more than one observer. The building principal is the key person involved in this process. (2) Although all school districts stated the supervisory function of the improvement of instruction as the major purpose of their teacher performance evaluation policy, a large number of school districts utilize teacher performance evaluation for the administration functions of serving as a basis for retention or dismissal. (3) If in reality teacher performance evaluation were construed as the improvement of instruction or teaching performance, it should be predictable that …
Date:
December 1986
Creator:
Marlin, Thomas William
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Analysis of the Current Texas School Finance System to Determine to What Extent it Meets Criteria for Equity Concerning School Finances
The main purpose of this study was to determine the effect of Texas House Bill 72 on equalization of finances in the public school districts of Texas. House Bill 72 is a finance reform bill which was passed by the Texas Legislature during the Summer of 1984. This study involves basically three steps. First, current criteria for equity as defined by school finance "experts" and recent definitive court decisions were determined. Second, financial data from the Texas Education Agency were statistically analyzed for the 1984-1985 school year. Third, the statistical analysis was used to determine if the current Texas school finance plan meets the current criteria for equity. The population used in the study was 1,068 school districts. Based on the findings of this study the following conclusions were drawn. 1. The use of a per capita flat grant by the Texas Public School Finance System contributes to the unequalizing of financial resources available to school districts. 2. School districts with greater property index values are required to exercise very little effort toward the support of their public schools. 3. School districts with high property index values tend to have lower effective tax rates and high per-pupil expenditures. 4. School …
Date:
December 1986
Creator:
Arrington, Ronald L. (Ronald Lee)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Analysis of the Demand for Residential Water in the City of Denton
The main objective of this study is to analyze the demand for water in Denton. The data used for the study are obtained from the City of Denton Utilities Department, the Tax Appraisal District and government documents. The 121 households which have perfect ten years historical data of water consumption were selected to be the representatives of all households in Denton. The study reveals that the change in water consumption significantly relates to the change in marginal price. Furthermore, the weather variables also have strong effects on the water consumption, especially during summer. The coefficients of income and a "difference" variable are found to have the opposite sign but are not equal in magnitude. In fact, they should be equal in magnitude, but opposite in sign. While the estimated coefficients on all independent variables were highly significant statistically, the resulting coefficient on the house size variable was statistically insignificant in the model test. The results show that the difference variable is required in the model. It also had some effect on the water consumption. It is found that there is a small change in water consumption when the lot size is increased.
Date:
December 1986
Creator:
Sawangchareon, Dumrongchai
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Analysis of the Effect of Constituent Division of Reading Texts on Students of English as a Second Language
The effect of constituent division of reading texts on ESL students was examined to note possible benefits to reading comprehension. An experimental group in each of three ESL proficiency levels was tested on a reading passage divided at the ends of lines at major constituent boundaries. Within each level, the experimental group was compared to a control group in three areas: reading time, test time, and test results. Results of the study do not support the theory that constituent division of reading texts could be beneficial to ESL students. The differences in reading time, test time, and test results of the experimental group and the control group in each level were insignificant.
Date:
December 1986
Creator:
Childress, Anita Gaye
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Animal mortality resulting from uniform exposures to photon radiations: Calculated LD/sub 50/s and a compilation of experimental data
Studies conducted during the 1950s and 1960s of radiation-induced mortality to diverse animal species under various exposure protocols were compiled into a mortality data base. Some 24 variables were extracted and recomputed from each of the published studies, which were collected from a variety of available sources, primarily journal articles. Two features of this compilation effort are (1) an attempt to give an estimate of the uniform dose received by the bone marrow in each treatment so that interspecies differences due to body size were minimized and (2) a recomputation of the LD/sub 50/ where sufficient experimental data are available. Exposure rates varied in magnitude from about 10/sup -2/ to 10/sup 3/ R/min. This report describes the data base, the sources of data, and the data-handling techniques; presents a bibliography of studies compiled; and tabulates data from each study. 103 refs., 44 tabs.
Date:
December 1, 1986
Creator:
Jones, T.D.; Morris, M.D.; Wells, S.M. & Young, R.W.
Object Type:
Report
System:
The UNT Digital Library
Annealing of cold worked hypostoichiometric Ni/sub 3/Al alloys using positron lifetime spectroscopy
Hypostoichiometric Ni/sub 3/Al alloys of composition 76.2 Ni:23.8 Al containing impurity levels of boron and hafnium were either cold rolled or pressed. Rolled and pressed samples were deformed by 20% and 10% thickness reductions, respectively. Samples were annealed isochronally at approximately 50/sup 0/C intervals up to 1050/sup 0/C. Two major annealing stages were apparent in all three alloys studied. These could be attributed to vacancy migration to sinks and annealing of dislocations and(or) recrystallization. The onset of vacancy migration occurred at approximately 200/sup 0/C in all three alloys. Annealing of dislocations started at 650/sup 0/C to 700/sup 0/C and was complete at 1000/sup 0/C for alloys which contained boron and or hafnium impurities. In the pure alloy the onset of dislocation annealing occurred at 800/sup 0/C and was incomplete at the highest (1050/sup 0/C) annealing temperatures reached.
Date:
December 1, 1986
Creator:
Usmar, S.G. & Lynn, K.G.
Object Type:
Article
System:
The UNT Digital Library
Annotations, South Texas College of Law (Houston, Tex.), Vol. 15, No. 4, Ed. 1, December, 1986
Student newspaper from South Texas College of Law that includes local, state and campus news along with advertising.
Date:
December 1986
Creator:
Cunningham, Ben J.
Object Type:
Newspaper
System:
The Portal to Texas History
The Apocalyptic Marriage: Eros and Agape in Keats's The Eve of St. Agnes
This analysis of Keats's poem proffers evidence and arguments to support the contention that The Eve of St. Agnes presents allegorically the poet's speculations regarding the relationship between eros and agape, speculations which include a sharp criticism of Christianity and a model for a new, more "humanistic" system of salvation. The union of Madeline and Porphyro symbolizes the reconciliation of the two opposing types of love in an apocalyptic marriage styled on the Biblical union of Christ and the Church. The irony inherent in the poem arises from Keats's use of Christian myths, symbols, and sacraments to accomplish this purpose.
Date:
December 1986
Creator:
Gilbreath, Marcia L. (Marcia Lynn)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Assessing the Impact of the MAXHELP Microcomputer Orientation Course on Administrator, Teacher and Non-Educator Concerns Relating to Microcomputer Acceptance
The problem this descriptive study dealt with was the fear (computerphobia) administrators, teachers, and noneducators have concerning the acceptance of microcomputers in the educational setting. The MAXHELP Project is an Air University sponsored program to assist the local schools in scientific and technological education. The 12 hour MAXHELP Microcomputer Orientation Course has graduated over 500 educators from seven Alabama school districts. This study used the Stages of Concern Questionnaire (SoCQ). This instrument was developed at the Inter-Institutional Program for the Reasearch and Development Center for Teacher Education, The University of Texas at Austin, by Hall, George and Rutherford. The SoCQ was mailed to a random sample of 300 MAXHELP graduates. A total of 212 responses were used in the study. This report concludes that the administrator and teacher groups are moving through the stages of concern when compared with the typical "non-user." Teachers show greater concerns relating to Management and administrators have greater concerns on Consequence, Collaboration, and Refocusing. Administrators are not users of microcomputers in the classroom, but are very concerned about how to facilitate the spread of microcomputers throughout the school curriculum. In general, the data indicate more similarity of teaching concerns by age, years teaching experience, and …
Date:
December 1986
Creator:
McGahee, James D. (James Dawson)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An Assessment of Arkansas Middle school/Junior High School Art Programs Using National Art Education Association Standards
The purpose of the study was to make an assessment of Arkansas middle school/junior high art programs using National Art Education Association standards. Data were collected from questionnaires, curriculum guides, and school visitations. Participating in the study were 127 schools enrolling 53,502 students of which 14,755 (28%) were taking art classes. For comparisons, the state was divided into five regions.
Date:
December 1986
Creator:
Teague, Barbara A. (Barbara Ann)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library