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The history and development of Karl Marx University at Leipzig (open access)

The history and development of Karl Marx University at Leipzig

The problem of the history and development of Karl Marx University at Leipzig (KMU) contains two fundamental questions:1) When did KMU begin? 2) Was there a continuity of traditions that influenced the development of KMU? The study examines the events contributing to the evolution of the university and explores the conflict of traditions and change. This study is a historical narrative of the development of KMU as a socialist university under the influence of Marxist-Leninist ideology based on a review of literature.
Date: December 1990
Creator: Laabs, Theodore R.
System: The UNT Digital Library
The association between reading ability and test performance among adults of limited reading ability (open access)

The association between reading ability and test performance among adults of limited reading ability

This study examined adult students of limited reading ability, determining the extent to which their performance on a standardized examination was a function of their reading ability, rather than function of their knowledge of the material tested by the examination.
Date: December 1990
Creator: Fuller, Frank D. (Frank Davidson)
System: The UNT Digital Library
An investigation of the attitudes of selected professional classical solo singer-actors toward specific concerns of the music profession (open access)

An investigation of the attitudes of selected professional classical solo singer-actors toward specific concerns of the music profession

The purpose was to investigate attitudes of successful full-time performing classical singer-actors toward career concerns of the music profession. Five research problems were formulated to: (1) describe attitudes toward control of work conditions; (2) describe attitudes toward entrapment; (3) describe attitudes toward dependency; (4) report attitudes concerning current practices of training the solo singer; and (5) identify commonalities among the subjects regarding demographic, the attitudes described in problems one through four, and demeanor during the interviews.
Date: December 1990
Creator: VanEaton, Sunny F. C.
System: The UNT Digital Library
An investigation of the effects of presentation format and time pressure on decision makers performing tasks of varying complexitites (open access)

An investigation of the effects of presentation format and time pressure on decision makers performing tasks of varying complexitites

The primary objective of this study was to determine which presentation format leads to better decision performance when the decision maker solving a problem of certain complexity is experiencing a certain level of time pressure.
Date: December 1990
Creator: Hwang, Mark I. (Mark Ing-Hwa)
System: The UNT Digital Library
Gustav Mahler's use and cyclic integration of motivic and thematic quotations (open access)

Gustav Mahler's use and cyclic integration of motivic and thematic quotations

All of Mahler's works may be divided into four distinct chronological groups, referred to as "symphonic cycles." Motives and themes from the songs within each symphonic cycle were quoted in symphonies in the same cycle. This system of self reference was unique to Mahler, although earlier composers such as Schubert and Wagner set precedents for some of the techniques used by Mahler. The quotations in the early periods appeared only on the surface and did not blend well with their surroundings, but as time progressed Mahler developed the ability to combine the seemingly incompatible elements more smoothly. Mahler's early fascination with distant sounds was also a factor in his use of quotations. The appendix contains a catalog of 100 quotations.
Date: May 1990
Creator: Zurflieh, Sharon E. (Sharon Elizabeth)
System: The UNT Digital Library
Picosecond degenerate four-wave mixing in semiconductors (open access)

Picosecond degenerate four-wave mixing in semiconductors

This study reports on a variety of experimental and theoretical studies conducted in ZnSe, CdTe, and in semiconductor-doped glasses. The transient picosecond degenerate four-wave mixing (DFWM) experiments performed in these II-VI direct-gap semiconductors are part of our efforts to understand the picosecond dynamics of the free-carriers generated via two and three-photon absorption.
Date: May 1990
Creator: Canto, Edesly J.
System: The UNT Digital Library
A Comparison of Universal Soil Loss Equation Results Using a Remote Sensing/GIS Technique to Results Obtained Using a Field Survey Technique (open access)

A Comparison of Universal Soil Loss Equation Results Using a Remote Sensing/GIS Technique to Results Obtained Using a Field Survey Technique

Digital satellite remote sensing and Geographic Information Systems (GIS) have been used in conjunction with the Universal Soil Loss Equation (USLE) to model soil erosion potential within watersheds. This study compared erosion estimates calculated by the remote sensing method to results obtained in the field by soil conservationists using conventional methods.
Date: December 1990
Creator: Hunter, Bruce Allan
System: The UNT Digital Library
Morphological Variation and Ecological status of Hydrilla Verticillata (L.f.) Royle in Gatun Lake, Panama (open access)

Morphological Variation and Ecological status of Hydrilla Verticillata (L.f.) Royle in Gatun Lake, Panama

Research provides biological and ecological information on Hydrilla Verticillata (L. f.) Royle in Gatun Lake, Panama for an ongoing management program of aquatic weeds in the Panama Canal. Morphological and genetic variation, standing crop and life cycle were determined.
Date: May 1990
Creator: BriceƱo M., Jorge
System: The UNT Digital Library
Characterization of the Specificity of DNA Uptake and Transformation by Naturally Competent Acinetobacter Calcoaceticus (open access)

Characterization of the Specificity of DNA Uptake and Transformation by Naturally Competent Acinetobacter Calcoaceticus

Although cultures of A. calcoaceticus BD413 are naturally competent at all growth phases, genetic markers can only be successfully transformed by DNA from the genus Acinetobacter. Transformation frequencies of nearly 1.2% were obtained with pcaA mutants were incubated in liquid culture with wild-type DNA.
Date: August 1990
Creator: Ahmadian-Tehrani, Mohsen
System: The UNT Digital Library
Modelling Land Use Change and Nonpoint Source Pollution Potential Using Remote Sensing and Geographic Information System Technology (open access)

Modelling Land Use Change and Nonpoint Source Pollution Potential Using Remote Sensing and Geographic Information System Technology

In this study Geographic Information System (GIS) technology was integrated with remote sensing techniques in order to determine the potential for nonpoint source pollution in the Lake Palestine and Cedar Creek Reservoir watersheds of North Central Texas. The Universal Soil Loss Equation was used to determine soil erosion potential from the watersheds, and export coefficients were used to estimate nutrient loadings into the reservoirs.
Date: August 1990
Creator: Walker, Scott William
System: The UNT Digital Library
The Church of San Cayetano de la Valenciana, Guanajuato, Mexico: a Study of its Mexican Churrigueresque Architecture and Decoration (open access)

The Church of San Cayetano de la Valenciana, Guanajuato, Mexico: a Study of its Mexican Churrigueresque Architecture and Decoration

This study is devoted to a critical examination of the architectural structure and sculpture of the church of San Cayetano de La Valenciana in Guanajuato, Mexico, concentrating on the ornamentation of the exterior portals and the interior altar retables. This paper traces the development of the Churrigueresque phase within the Baroque period of Mexican religious architecture and analyzes specific application of this style to the church of La Valenciana. Stylistic and iconographic components are discussed and a review of significant literature on this subject is included.
Date: May 1990
Creator: Quantz, Pamela A. (Pamela Ann)
System: The UNT Digital Library
Cytogenetics of Chromosome 22 and its Clinical Relevance (open access)

Cytogenetics of Chromosome 22 and its Clinical Relevance

This investigation reorganizes and identifies chromosomal anomalies and delineates the associated clinical findings. The present investigation involved 37 individuals with anomalies of chromosome 22. The clinical profile with the corresponding cytogenetic anomalies was studied.
Date: December 1990
Creator: Kulharya, Anita S. (Anita Singh)
System: The UNT Digital Library
Determination of the Complete Nucleotide Sequence of the xylZ Region of the Pseudomonas Putida TOL Plasmid pDK1, Encoding a Subunit of the Toluate Oxidase Complex (open access)

Determination of the Complete Nucleotide Sequence of the xylZ Region of the Pseudomonas Putida TOL Plasmid pDK1, Encoding a Subunit of the Toluate Oxidase Complex

A 1.57 kb XhoI restriction fragment derived from the TOL plasmid pDKI was subcloned into the E. Coli plasmid pUC19. The complete nucleotide sequence of this XhoI fragment was determined using both the chemical cleavage and chain termination DNA sequencing methods.
Date: May 1990
Creator: Khedairy, Hamid S. (Hamid Sabri)
System: The UNT Digital Library