93 Matching Results

Search Results

Size Fractionation of Metabolically Active Phytoplankton and Bacteria in Two Diverse Lentic Systems

Description: Simultaneous size fractionation of plankton populations associated with NaH^14CO_3 and ^3H-glucose uptake was employed in eutrophic Lake Texoma (Texas and Oklahoma) and oligotrophic Flathead Lake (Montana). Autoradiography was utilized to determine the role of specific microorganisms in community metabolism. Ultraplankton (0.45-10 μm) dominated plankton numbers and metabolic activity in both aquatic systems. Many of the most abundant species were not the most productive, in terms of inorganic C fixation. Rates of heterotrophic uptake of ^3H-glucose were small in comparison to photolithotrophic uptake in both lakes, Photoheterotrophy was more extensive in Flathead Lake, Autoradiographs indicated that bacteria were responsible for observed photoheterotrophy. Oscillatoria sp. exhibited. mixotrophy in Lake Texoma,
Date: August 1980
Creator: Ellis, Bonnie K.
Partner: UNT Libraries

An Investigation of the Importance of the Art of Hand Lettering in the Field of Advertising Art

Description: This thesis concerns the utility of including the art of hand lettering in a curriculum of a university advertising art program. Data secured from 155 questionnaires sent to 266 advertising firms in five states were analyzed by simple descriptive statistics including frequency counts and percentages. Two hypotheses were examined, and it is concluded that hand lettering is still needed in advertising art and should be taught in university art programs.
Date: August 1977
Creator: Greer, Hiram V.
Partner: UNT Libraries

Immunity for New Mexico Public School Districts and the 1978 Tort Claims Act

Description: In a 3-year timeframe, nearly 800 student negligence suits were filed, and most involved some claim of personal injury. Despite heightened public attention of negligence lawsuits against school districts and their employees, an empirical study of court decisions revealed that the volume of litigation against school districts remained steady from 1990 to 2005, the majority of cases were ruled in favor of the school district employees, and government and official immunity were most often the basis for these rulings. Researchers have concluded that immunity laws are strong in the United States, although they vary by state in their application. However, a primary recommendation was that, because of the misconception of a lack of immunity for public school employees, a comprehensive study on governmental and official immunity is needed. This dissertation employed legal research, analysis, and methodology to engage in a comprehensive investigation of teacher immunity in the four southern states of Texas, Oklahoma, Mississippi, and New Mexico. Of central concern to this dissertation was the Tort Claims Act of 1978 from the State of New Mexico. The Tort Claims Act is the vehicle by which immunity is granted to public school employees. Court findings over the last 35 years point to three primary domains under which cases pertaining to immunity fall: negligence (62.5%), evaluation and supervision (16.7%), and student discipline (8.3%). Immunity appears strong across all three domains; however, only future studies on cases by state will determine whether states in the southwest United States are the norm or an anomaly.
Date: August 2014
Creator: Herauf, Todd J.
Partner: UNT Libraries

Guidance Factors in the Selection of Students for the Study of Instrumental Music in the Public Schools of Tulsa, Oklahoma

Description: Instrumental music classes in the public schools of Tulsa, Oklahoma, have experienced a phenomenal growth during the past twenty years. Prior to this period, opportunity for instrumental music expression was limited to the high school band and orchestra,which rehearsed outside of school hours. No instruction other than this was provided and the student who wished to play in the school band or orchestra studied first from private instructors. In this study the investigator has examined a great many devices for measuring capacities and aptitudes which are known to the profession. He has attempted to evaluate these procedures in the light of sound educational philosophy. He has set forth a plan which he believes will materially improve the instrumental program through discovering unsuspected musical capacity and through sound guidance in the selection of suitable instruments.
Date: August 1940
Creator: Hayes, Kenneth, 1908-
Partner: UNT Libraries

The Importance of Red River in the History of the Southwest

Description: For four hundred years the Red River Valley has been the battleground between contending Indian tribes and European races, and for almost three hundred of these years the river has been a disputed boundary line, either between rival nations, or between neighboring states of our country. The river has never been of much importance as a commercial route, yet very few rivers in all the United States have played so an important and persistent a part in this history of their sections as the Red River has played in the history of the Southwest.
Date: August 1940
Creator: Rains, Cleo
Partner: UNT Libraries

Developing a Forest Gap Model to Be Applied to a Watershed-scaled Landscape in the Cross Timbers Ecoregion Using a Topographic Wetness Index

Description: A method was developed for extending a fine-scaled forest gap model to a watershed-scaled landscape, using the Eastern Cross Timbers ecoregion as a case study for the method. A topographic wetness index calculated from digital elevation data was used as a measure of hydrologic across the modeled landscape, and the gap model modified to have with a topographically-based hydrologic input parameter. The model was parameterized by terrain type units that were defined using combinations of USDA soil series and classes of the topographic wetness index. A number of issues regarding the sources, grid resolutions, and processing methods of the digital elevation data are addressed in this application of the topographic wetness index. Three different grid sizes, 5, 10, and 29 meter, from both LiDAR-derived and contour-derived elevation grids were used, and the grids were processed using both single-directional flow algorithm and bi-directional flow algorithm. The result of these different grids were compared and analyzed in context of their application in defining terrain types for the forest gap model. Refinements were made in the timescale of gap model’s weather model, converting it into a daily weather generator, in order to incorporate the effects of the new topographic/hydrologic input parameter. The precipitation model was converted to use a Markov model to initiate a sequence of wet and dry days for each month, and then daily precipitation amounts were determined using a gamma distribution. The output of the new precipitation model was analyzed and compared with a 100-year history of daily weather records at daily, monthly, and annual timescales. Model assumptions and requirements for biological parameters were thoroughly investigated and questioned. Often these biological parameters are based on little more than assumptions and intuition. An effort to base as many of the model’s biological parameters on measured data was made, including a new ...
Date: August 2014
Creator: Goetz, Heinrich
Partner: UNT Libraries

An Historical Analysis of the Theatre at Tsa La Gi

Description: This study is an examination of the theatre project at Tsa La Gi, a Cherokee cultural center in Tahlequah, Oklahoma. The thesis is organized into three areas: the drama, the theatre design, and the production techniques. Chapter I reports the process of the formulation of Trail of Tears and analyzes its success. Chapter II describes and interprets the process of the design of the physical theatre. Chapter III reports the techniques used in play production at Tsa La Gi and interprets their effects. Chapter IV presents conclusions about the success of the theatre project. This report accepts evidence that the theatre project at Tsa La Gi is a highly successful one, both economically and artistically.
Date: August 1974
Creator: McMahan, Barbara M.
Partner: UNT Libraries

The Development of Auditory Discrimination in Third-Grade Students by Use of Tape-Recorded Materials

Description: This study was designed to determine whether or not auditory discrimination could be improved in a group of third-grade students by the use of a tape-recorded program of auditory exercises. Of additional interest was the effect that the program of auditory exercises would have upon the work recognition skills and the spelling skills of the third-grade students involved.
Date: August 1965
Creator: Evans, Jackie Merion, 1932-
Partner: UNT Libraries

Rectal Temperatures of the Cotton Rat, Sigmodon Hispidus (Rodentia : Cricetidae)

Description: This investigation has been concerned with determining the extent to which a small mammal, the cotton rat, may become acclimated to environmental temperatures, and the influence acclimation has upon a population. The study was also designed to determine if acclimation effects on a population can be seen in individual rats.
Date: August 1968
Creator: Cleveland, Arthur G.
Partner: UNT Libraries

Geographic Variation in Chromosomes and Morphology of Peromyscus Maniculatus in Texas and Oklahoma

Description: This study was initiated after finding two chromosomal types of Peromyscus maniculatus north and south of the Red River in Texas and Oklahoma. The problem was to explain the chromosomal variations and their implications to the systematics of the grassland subspecies of P. maniculatus in this region.
Date: August 1972
Creator: Caire, William, 1946-
Partner: UNT Libraries

The Stoneflies (Plecoptera) of Oklahoma

Description: Distributional data and taxonomic keys art presented for thirty-four species of Plecoptera known to occur in Oklahoma. Ten species are new records for the state. Descriptions are provided for two species new to science, Zealeuctra cherokee and Isoperla brevis, and for the previously unknown male of Strophopteryx cucullata Frison and female of Helopicus nalatus (Frison).
Date: August 1972
Creator: Stark, William P.
Partner: UNT Libraries

A Study of the Educational Background and Subject Areas Taught by Industrial Arts Teachers in Oklahoma

Description: The problem with which this study is concerned is that of determining the relationship between curriculum offerings in industrial arts and the academic preparation of industrial arts and the academic preparation of industrial arts teachers in the public secondary schools of Oklahoma.
Date: August 1971
Creator: Stuteville, Claude Edgar
Partner: UNT Libraries

[News Script: Girl quizzed about escapee]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, covering a news story about an Oklahoma teenager being questioned in relation to a postcard one of the five Tarrant County jail escapees meant to send her.
Date: August 13, 1959
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Script: Fire]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, covering a news story about a five-alarm fire at an aircraft manufacturing plant near Oklahoma City.
Date: August 25, 1957
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Script: Jim Thomas slain]

Description: Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about the death of the gambler and ex-convict Jim Thomas after he was shot by Hubert Deere.
Date: August 23, 1951
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Script: Light Airplane is Carried by Copter]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, covering a news story about an experimental flight where a helicopter ferries an Army reconnaissance plane from San Marcos, Texas, to Lawton, Oklahoma.
Date: August 15, 1956
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Script: Prague]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: August 21, 1969, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Script: Sports]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.
Date: August 16, 1969, 6:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections