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Pyrimidine nucleotide metabolism in Rhizobium meliloti: purification of aspartate transcarbamoylase from a pyrimidine auxotroph
Rhizobium aspartate transcarbamoylase (ATCase; EC 2.1.3.2) was previously believed to be similar to the Pseudomonas ATCase which has been studied extensively. To facilitate the study of the Rhizobium ATCase a pyrimidine-requiring mutant of R. meliloti was isolated and used in the purification of the enzyme.
Date:
December 1990
Creator:
Eguae, Samuel Iyamu
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A study to examine the degree of self-fulfillment a woman experiences within her career goals and her awareness of her own potential
The purposes of this study were to examine the occupational goals of women in banking, manufacturing, and education; to examine women's awareness of their own potential; to compare the attitudes of working women toward themselves; to compare the attitudes, self-concepts, and career achievement between females aged twenty-five to thirty-five and females aged forty to fifty; and to compare the attitudes, self-concepts, and career achievement of females in banking, manufacturing, and education.
Date:
December 1978
Creator:
Schaffer, Kathleen T.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An analysis of absenteeism cases taken to arbitration: factors used by arbitrators in the decision-making process
The purpose of this study was to examine factors used by arbitrators in deciding the outcome of disciplinary labor arbitration cases involving excessive employee absenteeism. The seven key tests of just cause identified by Carroll Daugherty in the 1966 Enterprise Wire Co. arbitration case were used as the basis for examining the cases in the study.
Date:
May 1991
Creator:
Clay, Joan Marie
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The effects of data models and conceptual models of the structured query language on the task of query writing by end users
This research is an empirical investigation of human factors on the use of database systems. The problem motivating the study is the difficulty encountered by end-users in retrieving data from a database.
Date:
August 1991
Creator:
Wu, Bruce Jiinpo
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An empirical study of the relationship between financial accounting measurements and research and development expenditures in public corporations
The primary objective of this study is to gain a greater understanding of how the level and type of research and development expenditures are influenced by accounting measurement, if at all.
Date:
August 1977
Creator:
Nix, Paul E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Trimethylsilylated ketene cycloadditions and the chemistry of chlorotrialkyl-1, 3-cyclobutanedione
The purpose of this investigation is twofold: (1) to examine the trimethylsilyl substituent effect on the ketene functionality, (2) to study the chemistry of the novel unsymmetrical 1,3-cyclobutanediones, chlorotrialkyl-1, 3-cyclobutanediones.
Date:
May 1977
Creator:
Cheng, Theresa Chau-Ming
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A comparison of the academic achievements of seventh grade students in the semester unit plan with those in the quarter unit plan
The problem with which this dissertation is concerned is to determine whether the semester unit plan offers seventh grade students greater academic gain in the basic subject areas than does the quarter unit plan. Texas offers school districts a choice of the two plans. This study is unique in that the district of this study has both plans in operation at the secondary level.
Date:
May 1977
Creator:
Harrison, Guy T.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
An investigation of the effects of an inner-city student teaching experience on the attitudes, values, and dogmatisms of student teachers
The purposes of the investigation were (1) to determine whether differences in attitudes, values, an dogmatisms exist between volunteers for an inner-city student teaching experience and other student teachers prior to a student teaching experience; (2) to determine whether differences in attitudes, values, and dogmatisms exist at the completion of student teaching between the experimental group and a control group composed of student teachers assigned to suburban schools.
Date:
May 1976
Creator:
Sughrue, Robert L.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Particle size distribution and qualitative/quantitative analysis of trace metals in the combustion gas and fly ash of coal/refuse derived fuel
This work includes two different areas of research. Both areas are related to the combustion of the binder-enhanced densified refuse derived fuel (bdRDF) with high sulfur coal and examining trace elements. The first area of this work involved studying the trace metals in the combustion gas of bdRDF/coal blend and the effect of the binder, CA(OH)2, on reducing the trace elements emissions. The second area of work involved studying the trace elements in the fly ash and the effect of the dRDF and the binder of trace metals.
Date:
December 1991
Creator:
Attili, Bassam Saleem
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A study of positive and negative inquiry
The subject of the study is a theory of positive and negative inquiry with emphasis in mathematics. The purposes of this study are to examine the historical development of systematic inquiry in mathematics, to identify the nature of positive and negative inquiry, to propose and develop an interrelated set of propositions regarding positive and negative inquiry, and to relate the proposition of the theory to certain basic concepts of trigonometry.
Date:
December 1978
Creator:
Peebles, David M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Cloning, characterization and expression of the xylXYZ region of the Pseudomonas putida TOL plasmid pDK1
In this study a library of EcoRI fragments encompassing the entire TOL region of the Pseudomonas putida TOL plasmid pDK1 was constructed in the Escheria coli cloning vector pBR325.
Date:
December 1991
Creator:
Azadpour, Elahe E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The use of electronic calculators in a basic mathematics course for college students
The problem with which this investigation was concerned was that of the determining relationships between attitude and between achievement of students in those classes in college basic mathematics which utilized electronic calculators during class sessions and students in those classes which did not utilize electronic calculators.
Date:
December 1975
Creator:
Nichols, Warren E.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Contingent reinforcement as an intervention to alter depressive thinking
The problem of this study is to determine the feasibility of using an operant treatment procedure to ameliorate several manifestations of depression. The purpose is to apply contingent positive reinforcement to the detection of nondepressive thoughts and to examine the effects of this procedure upon the frequency of nondepressive thoughts, idiosyncratic depressive manifestations, and scores on the Depression Inventory.
Date:
May 1976
Creator:
Gairing, Robert L.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The principle of "sankofa" in elementary music instruction in southern Ghana: selected school personnel's views of and their role in its implementation
The study ascertained elementary school teachers' and supervisors' views about their role in the implementation of Sankofa (Go back and retrieve) in school music. Sankofa mandates the integration of distinctive Ghanian traditional values and practices with Western educational concepts in the school curriculum. In music, it calls for the fusion of multi-ethnic musics of Ghana with Western musical concepts in public school music instruction. Some concerns expressed by Ghanian music educators regarding teachers' negative attitudes toward Sankofa in public school music had prompted the study.
Date:
May 1991
Creator:
Attah, Joe K. (Joe Kofi)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A comparison of the effects of two mathematics programs upon selected fifth, sixth, seventh, and eighth grade remedial mathematics students
The problem with which this investigation was concerned is that of determining whether remedial mathematics students who receive individualized attention in small groups with many special materials would gain more knowledge in the areas of computation, concepts, problem solving, and total composite mathematics than would remedial mathematics students taught as sub-groups of regular mathematics classes.
Date:
May 1976
Creator:
Blankenship, William Lee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
AIDS: a survey of selected college and university students
In this study, a survey instrument measuring knowledge and attitudes about AIDS, information sources about AIDS, and personal behavior was administered to college students. Students completed the survey during a single class period.
Date:
December 1990
Creator:
Trammell, Rebecca
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A comparative analysis of upper-middle management perceptions of leadership style and organizational climate among American corporations in the U.S., American subsidiaries in India, and local corporations in India in pharmaceutical, consumer goods, and heavy engineering industries
The purpose of the present study is to analyze the upper-middle management perceptions of leadership style and organizational climate among American corporations in the U. S., American subsidiaries in India, and local corporations in India in like industries. The selected industries in the sample were pharmaceutical, consumer goods, and heavy engineering.
Date:
December 1978
Creator:
Sardessai, Vassudeo M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Development and validation of a prototype instrument to be used in the appraisal of school library media specialists
The purpose of this study is to develop a prototype instrument that may be used in conjunction with the Texas Teacher Appraisal System instrument to appraise the competencies expected of school library media specialists.
Date:
December 1990
Creator:
Kahler, Betty June
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A study of factors influencing job satisfaction among faculty members at degree-granting colleges of education in Nigeria
The purpose of this study was to analyze the job satisfaction among the faculty members of degree-granting colleges of education in Nigeria. The study was based on the six subsections of the Job Descriptive Index developed by Smith and associates: present work, pay, promotion, supervision, coworkers and job in general.
Date:
May 1991
Creator:
Duru, Canice Chuma
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The personal reading interests of third, fourth, and fifth grade children in selected Arkansas public schools
The purpose of this study was to determine the personal reading interests of students in the third, fourth, and fifth grades and to determine if advances in technology in the past twenty years have changed their reading interests.
Date:
December 1991
Creator:
Berry, Mary Ann
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Development and validation of the Arabic version of the Job Descriptive Index (JDI)
The purpose of this study was to determine the reliability of the Arabic version of the revised Job Descriptive Index. In addition, job satisfaction among managers at Saudi ARAMCO was measured and analyzed in relation to age, education, experience, national origin and management rank.
Date:
December 1990
Creator:
Maghrabi, Ahmed Sadakah
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A descriptive analysis and evaluation of an orientation course designed for junior college students
This study was a descriptive analysis of the orientation program for a large junior college in the Dallas/Fort Worth Metroplex. Its purposes were (1) to describe the freshman orientation course, (2) to analyze data compiled from rating forms which recorded student perceptions of each aspect of the course, and (3) to discuss the implications of the data for junior college student service personnel as they attempt to establish programs that will effectively aid students in making a successful adjustment to college.
Date:
May 1976
Creator:
Dickson, Mary Jane Ramsey
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Moment variations: for orchestra and choir
Moment Variations is a three-movement composition for chamber orchestra and chamber choir of approximately 21 minutes duration. The basis of this piece is compositional unity through variations technique, where the retained element of the theme is its structure or fixed-structure variations.The fixed-structure is a succession of six musical events, called moments, in the order: I II III II IV V III V VI, where moments II, III, and V are internally repeated and I, IV, and VI occur only once.
Date:
May 1993
Creator:
Theis, Charles W.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The emergence and development of Browning's auditor
By presenting the auditor as a unifying principle that links Browning's earliest works to his dramatic monologues, this dissertation enhances the importance of the ever-ignored experimental works in developing the dramatic monologue technique. An exploration of the emergence and development of the auditor has an additional, but never ancillary, effect of proclaiming the originality and inventiveness of Browning's dramatic technique.
Date:
December 1991
Creator:
Cho-Tak, Byong Eun
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library