Digital Commons Network^™

The Relationship Between Spatial And Conceptual Possibilities Ofthe Platter-Form : Unglazed Slip Decoration In Raku Pottery / Robert Townson Reedy, Robert Townson Reedy

Electronic Theses and Dissertations

No abstract provided.

Audio Triamplification System., John James Mccure

Electronic Theses and Dissertations

This thesis is for the purpose of determining if active filters are useful as audio crossover networks and in particular if they are better than passive crossover networks. An entire audio reproduction system was constructed with the express design intent of linear operation in two separate modes. These two modes being, first, a conventional single power amplifier passive crossover system, and second, an active filter triamplification system. Both systems were subjected to three different objective tests and one subjective test. The subjective testing included a wide spectrum of listeners ranging from rank amateurs to highly trained recording and mixing engineers. …

Surface Recycling Of Asphaltic Concrete Highway Pavements, Alfred Bridwell Crawley

Electronic Theses and Dissertations

No abstract provided.

A Comparison Between Crossbred And Straightbred Production Of Targhee Range Ewes, James M. Pajl

Electronic Theses and Dissertations

This investigation was initiated. to determine the effect of crossbred vs. straightbred production under the environmental conditions found at the Antelope Range Research Station, Buffalo, South Dakota.

Western Corn Rootworm Sex Pheromone; Field Trapping Studies, Michael J. Lockwood

Electronic Theses and Dissertations

The purpose of this study was to explore the potential of monitoring field populations of the NCR and WCR beetles with pheromone baited sticky traps. Predictions of CRW infestations in corn fields on a single field basis have yet to be achieved. The objectives of this study were: 1. To determine the effects of trapping procedures on CRW beetle trap catch variability: trap design, trap height, pheromone age, pheromone concentration and beetle density. 2. To determine the impact of environmental factors on daily trap catch variability: temperature (OC), wind speed (m/sec), and relative humidity (%) taken at hourly intervals. 3. …

Nonsporing Anaerobic Bacteria In Foods, Sylvia M. Huppler

Electronic Theses and Dissertations

Anaerobic non spore forming bacteria are not detected in routine food examinations, and their occurrences in foods has seldom been reported in the literature. The purpose of this study is to determine the occurrence of non-spore forming anaerobes, the identification of the isolates found, and the possible growth and multiplication in foods which might contribute to spoilage or food illness.

Effects Of Gamma Radiation On The Southern Corn Rootworm, Denise Gayle Hanson

Electronic Theses and Dissertations

Insects continue to be one of the major problems of man. It is, however, becoming more and more difficult to find substances that are effective in controlling insects and that are environmentally safe. It has become apparent that to control or eliminate harmful insects, alternate methods of control must be developed to replace or reduce the use of insecticides. One possible alternate method of control is to use insects against themselves in a process called the sterile male technique. This technique generally uses gamma radiation to induce sterility in males. When they are released into the native population and mate …

Performance Of A Diurnally Tracking Solar Energy-Intensifier, Calvin E. Siegel

Electronic Theses and Dissertations

The United States agricultural system provides numerous opportunities in which solar energy can be utilized. Low to moderate temperature rise collectors can provide a large percentage of the energy requirements normally met by using high quality fossil fuels. As world demand for food production increases due to a growing population, alternative sources of energy need to be developed and applied as substitutes for these increasingly scarce fossil fuels. Agriculture offers practical advantages for the use of solar heat energy because there exists sufficient area for solar collectors and a wide range of temperature applications on most farmsteads. Demand for energy …

The Influence Of Isotonic And Isokinetic Weight Training On Vertical Jumping Proficiency, Jeffrey Thomas Spielman

Electronic Theses and Dissertations

The purpose of this study was to determine the influence of isotonic and isokinetic weight training on vertical jumping proficiency as measured by a modified vertical jump. The subjects were college students enrolled in the Fitness and Lifetime Activities Program at South Dakota State University in Brookings, South Dakota. Isotonic and isokinetic training were assigned to the two experimental groups with the third group serving as controls. Training for the experimental groups consisted of isotonic circuit training on a Universal weight machine and isokinetic training on a Leaper machine. Data analysis included a reliability and reproducibility assessment, and a one-way …

The Age And Fertility Of Lignite Strip Mine Spoils From The Darco Mine, Harrison County, Texas, Reagan Cook

Electronic Theses and Dissertations

Field observation of lignite strip mine spoils from the Darco mine near Marshall, Texas, revealed that gray spoil materials of various ages were devoid of vegetation. Within the same sites, spoil materials which were non-gray supported several conditions of revegetation. Analysis of spoil materials from this mine was undertaken to determine if spoils were differentiated on a chemical basis. Gray materials appear to have greater mineral sources of zinc, iron, and sulfate than non-gray spoils, and greater concentrations of zinc, calcium, magnesium, and potassium at all sites. Further, older spoils (17 to 31 years of age) have mean pH values …

Use Of Lignite Fly Ash As A Soil Amendment, Thomas Victor Brown

Electronic Theses and Dissertations

One-year-old loblolly pine (Pinus taeda L.) seedlings were grown in a greenhouse in potted mixtures of two Texas lignite fly ashes and a Troup sand, Sacul sandy loam, and a sandy clay loam strip-mine spoil. Mixtures contained 0, 25, 50, 75 and 100 percent fly ash. After six months, soil fly ash mixtures were analyzed for N, P, Ca, Mg, K, Na, Mn, Zn, pH, cation-exchange capacity, percent base saturation, and texture. Needle and root tissue analyses were performed on both live and dead seedlings. Survival and height growth were both adversely affected by fly ash amendments. Nearly all seedlings …

A Survey Of Commercial Radio Managers' Attitudes Toward University Broadcast Graduates Entering Commercial Radio Marketing, Phil Ford Wier

Electronic Theses and Dissertations

No abstract provided.

A Survey Of Requirements, Curricula, And Degrees Available In Graduate Music In The Public Universities In Mississippi, Allen Kent Sills

Electronic Theses and Dissertations

No abstract provided.

Out Of Tennessee Poems, With An Introduction, Roy Neil Graves

Electronic Theses and Dissertations

No abstract provided.

Markov Chains With Denumerable State Spaces, Thomas Daniel Yates

Electronic Theses and Dissertations

No abstract provided.

A New Procedure For Calculating Dipolar Sources Of Eeg Discharges., Joseph Harvey Rothweiler 1952-

Electronic Theses and Dissertations

A new procedure has been developed for determining the location of the source of certain EEG discharges given the measured surface potentials. The source is modeled as a single current dipole with arbitrary position and orientation, while the head is modeled either as a single homogeneous sphere or as three concentric spheres. This procedure is developed by extending the matched filter concept of communications theory to functions defined on a spherical surface. In addition, simplifications are developed which reduce the amount of computation required. Simulations have been performed using computer generated data to show the validity of the locating procedure …

A Description Of The Role Of The Public School Science Supervisor: 1895 To 1976, Judy Harmon

Electronic Theses and Dissertations

The Problem. The problem was to investigate the role of the public school science supervisor in the United States as perceived by recognized authorities, through the identification and description of beginnings, developments, trends, and projections found in scientific and educational literature. (Abstract shortened.)

A Comparison Of Attitudes Toward Community Colleges With Attitudes Toward Four-Year Colleges, Robert L. Gillespie

Electronic Theses and Dissertations

Purpose. The purpose of this research was to determine if the attitudes of high school seniors toward community colleges and four-year colleges were significantly different according to socio-economic measures, and to see how they compared with their teachers'attitudes. (Abstract shortened.)

Employment Status Of Female Administrators And Attitudes Toward Employment Of Female Administrators In The Community College System Of North Carolina, Linda C. Gardner

Electronic Theses and Dissertations

Purpose. The purpose of the study was to determine the current employment status of female administrators and, further, to study attitudes held by female educators, male educators, presidents, and board chairmen of the North Carolina Community College System toward employment of female administrators in the Community College System of North Carolina. (Abstract shortened.)

A Church Growth Study Of Churches In North East India, Clinton Brazle

Electronic Theses and Dissertations

The Church of Christ in North East Indian began as an indigenous movement among the Khasi tribe as an effort to restore New Testament Christianity. The movement is under fifty years old. It grew normally and rapidly until division occured among the leaders in 1963, when the growth rate dropped drastically. The movement has spread now to the Garos, Mizos, Mikirs, Nagas, Assamese, Kukis, and especially the Paites and Manipuree. There is a growing ethusiam among a few Christians which may eventually spread through many of the tribes of North East India and beyond.

Examination of the above-mentioned tribes of …

The Status Of Science Supervision In Florida School Districts, Roy F. Ellis

Electronic Theses and Dissertations

No abstract provided.

The Effects Of Prescribed Burning On Nutrient Content Of Selected Understory Species In An East Texas Loblolly-Shortleaf Pine Stand, Kelly Bell

Electronic Theses and Dissertations

The objectives of this study were to determine whether prescribed burning affected nutrient levels in leaves and twigs of six species and whether there were differences in response between leaves and twigs. Backfire and headfire treatments were used to determine differences between burning techniques. Samples were collected in October, 1974. The burn was in March, 1975 and post-burn sampling was in June, 1975, September, 1975, and June, 1976. Leaf and twig tissue were analyzed for contents of protein, calcium, potassium, and phosphorus and then subjected to statistical analysis. No difference was found between burning techniques. Protein and phosphorus increased and …

Fundamentals Of Traditional Composition : A Harmonic Approach, John Philip Manchester Jr

Electronic Theses and Dissertations

No abstract provided.

The Puritan Tradition In The Novels Of Robert Herrick, Allen D. Towery

Electronic Theses and Dissertations

No Abstract

The Planning Of Recitals Of American Piano Music Of The Common Practice Period, James Walker Snyder

Electronic Theses and Dissertations

No abstract provided.

Children As Victims, Demons, Seers : Flannery O'Connor's Wise Brood, Marion Ellison Ham

Electronic Theses and Dissertations

No abstract provided.

A Comparative Study Of Chaucer's Wife Of Bath's Tale And Its Sources And Analogues, Susan Kay Morris Williams

Electronic Theses and Dissertations

No abstract provided.

Factors Affecting Waterfowl Brood Use Of Stock Ponds In South Dakota, Gene D. Mack

Electronic Theses and Dissertations

A July waterfowl brood survey was conducted from 1973 to 1976 on stock ponds located within four physiographic strata in South Dakota. Information was collected on weather, stock pond characteristics, land use and the condition of other wetlands located within the quarter section (64.8 ha) study plots. Multiple regression and multiple discriminant analyses were sued to determine the importance of these variables in influencing brood use of stock ponds. Vegetation type, distribution of emergent vegetation and pond size were important in determining if broods of any particular species utilized a pond or not. Shoreline distance was particularly important in explaining …

Variables Associated With Breeding Waterfowl On South Dakota Stock Ponds, Jay A. Roberson

Electronic Theses and Dissertations

Use of stock watering ponds by indicated breeding pairs of waterfowl was measured in the western two-thirds of South Dakota from 1973 to 1976. Multiple regression and discriminant analyses were used to describe the habitat associated with pairs of each species. Habitat variables explained 35-47 percent of the variation in pairs having small home ranges and 26-35 percent of the variation in pairs having large home ranges. Shoreline distance account for more variation in mallard (Anas Platyrhmchos) and blue-winged teal (A. discors) pairs than any other single variable. Ponds used by these pairs and shoreline distances that averaged 590 m …

Population, Home Range, And Dispersal Of Red Foxes In East-Central South Dakota, James D. Sweeting

Electronic Theses and Dissertations

The population, dispersal movements and summer home range of red foxes (Vulpes vulpes) were studied in east-central South Dakota during 1974 and 1975. The spring population density of foxes on a 23,319 ha study area declined from 9.2 families/township in 1974 to 7.6 families/township in 1975. Fifty-four percent of 130 foxes tagged in spring, 1974 and 1975 were recovered during the first year following tagging. Hunting and trapping accounted for 18.0 and 77.8 percent, respectively. Recoveries revealed that dispersing juvenile male foxes were more mobile than juvenile females; juvenile foxes traveled a mean distance of 39 km for males and …