Digital Commons Network^™

Structure, Stratigraphy, And Tectonics Preserved Of The Northwestern Bays Mountain Synclinorium, Greene And Hawkins Counties, Northeast Tennessee, John G. Bultman

Masters Theses

The Bays Mountain synclinorium and surrounding area provide critical facies data to address Sevier-Bountian basin development. This area preserves the Middle Ordovician post-Knox unconformity, the Sevier-Blountian basin depositional sequence, overlying Bays Formation quartz arenite-redbed sequence, the Bays/Martinsburg unconformity, and the base of the overlying Caradocian Martinsburg clastic wedge. Detailed geologic mapping in the Northwestern half of the Sevier-Blountian basin has divided the Sevier Shale into three members: a lower thin-bedded, dark gray-black, graptolite-bearing shale overlain by dark gray-black micritic limestone; a middle siltysandy limestone interbedded with light gray silty shale and calcareous sandstone; and an upper thick-bedded light gray shale …

An Evaluation Of The Effects Of Small, Man-Made Impoundments On Stream Macroinvertebrate Communities And Water Quality In Eastern Tennessee, Larry Eugene Everett Jr.

Masters Theses

Semi-quantitative benthic macroinvertebrate samples were collected from riffles above and below four small impoundments in eastern Tennessee. Watershed and habitat surveys and a variety of field measurements were performed for each sample site and each sampling event when appropriate. Samples were collected quarterly (seasonally) during a one-year period. The goal of the study was twofold: (1) to determine whether or not differences in stream macroinvertebrate communities above and below impoundments existed and if so, (2) to attempt to evaluate the possible effects of the impoundments on the downstream benthic community and water quality.

One-hundred and fifty-four distinct macroinvertebrate taxa in …

Evaluation Of Engineering Plastic For Rollover Protective Structure Mounting, Robert Stephen Comer

Masters Theses

The agricultural industry has one of the highest fatality rates of any industry in the U. S. This death rate is largely due to deaths caused by roll over accidents while on agricultural vehicles. The addition of a Rollover Protective Structure (ROPS) has aided in lowering these high fatality rates on full-size tractors. Studies have shown that death rates have been reduced by as much as 98% with the addition of rollover protective structures. However, a large number of older tractors still do not utilize a ROPS. This is due to the difficulty of designing and creating a mounting structure. …

How Accurate Are Athletes' Perceptions Of Their Coaches' Expectations?, Angela Marathakis

Masters Theses

The purpose of the present study was to determine the extent to which there is a correspondence between athletes' perceptions of their coach's expectations and the coach's actual expectations. It was predicted that a significant difference would exist between the coach's expectations of high and low expectancy athletes (Solomon et. al, 1996a; Solomon, 2002; Solomon et. al 1996b). In addition, for both groups of athletes, it was predicted that there would be no difference between athletes' perceptions of their coach's expectations and the coach's actual expectations, supporting the notion that both groups of athletes accurately perceive the expectations their coach …

Phonological Process Use In The Speech Of Children Fitted With Cochlear Implants, Rhonda Gale Parker

Masters Theses

Objective: The purpose of this study was to examine the use of both developmental and non-developmental phonological processes in a group of young children using cochlear implants.

Participants: 6 preschool children with severe to profound binaural hearing loss with cochlear implants

Method: 15-25 minute conversational speech samples from six children were collected at three-month intervals over a period of 12-21 months for a prior study. These samples were then transcribed and analyzed using Natural Phonological Analysis (NPA) and a data collection form created solely for the purpose of this study.

Data Analysis: Pearson correlations were used to determine relationships among …

Comparison Of Microscopic Modalities For The 3d Model Reconstruction Of Nanodevices, Christopher Robert Kammerud

Masters Theses

As manufacturing capabilities push nanotechnology to smaller and smaller scales, novel inspection schemes must be developed to ensure product quality. The objective of our research was to implement, refine, and compare 3D reconstruction algorithms that could aid manufacturers in their ability to visualize and inspect nanodevices. Data was collected from three different microscopes: the atomic force microscope (AFM), the scanning electron microscope (SEM), and the laser scanning confocal microscope (LSCM). For each of these microscopes, a specific algorithm was implemented to generate 3D models from the raw microscope data. Scans from the AFM microscope give range information similar to laser …

A Statistical Based Model To Manage Perishable Goods Within A Cold Supply Chain, Amanda Rhiana Hicks

Masters Theses

"Cold chain" management, the management of a temperature sensitive supply chain, has its own particular set of logistical challenges and issues when compared to a non-temperature sensitive supply chain. Current supply chain management techniques and tools that are utilized today in industry do not take this unique set of challenges into account. This thesis will focus on how using a model that has been built upon the theories of statistical process control techniques that does take the challenges into account, when monitoring and evaluating in-transit shipment of perishable goods throughout the cold supply chain, can assist in continuously improving the …

Biological, Linguistic, And Cultural Variation Among 19Th Century Plains Indians, Brad Jamison

Masters Theses

In this study I have examined relationships between biological, linguistic and cultural patterns of variability among 19^th Century Indian groups of the American Great Plains. Through this research I have sought to address Cavalli-Sforza et al.’s (1994) call for studies regarding cultural and biological correlation and also to partially assess their methodology of equating linguistic relationships with biologically influential, ethnic boundaries. I have constructed biological, linguistic, and cultural distance matrices, based on the Boas database of anthropometric measurements, Ruhlen’s (1976) and Campbell’s (1997) linguistic taxonomies, and Murdock’s (1967) Ethnographic Atlas, respectively. Furthermore, I constructed a geographic distance matrix …

A Differential Analysis Of Factors That Contribute To Kin Support Among Employed African Americans, Jacqueline R. Clay

Masters Theses

The study is an analysis of factors that contribute to kin support and family bonds among a sample of employed African Americans (N=188). The secondary analysis examined differential levels of kin support for female and male respondents, and assessed the comparative influence of other variables, including income level, education level, religious bonds, and family bonds. Findings pointed out that there was a clear contrast between genders in relation to strength of kin support. Female respondents demonstrated higher levels of support for close relatives (m=1.58, SD=.62), as well as stronger family bonds (F(4,153)=4.080, p<.005, R [squared] of .096), based on frequency of contact, proximity of relatives, and so forth. Implications are discussed in relation to social work family intervention in an era of widespread public reductions in income maintenance programs such as Temporary Aid to Needy Families.

Tennessee Hay Supply And Demand Response To Prices And Other Factors, Jon Edwin Travis

Masters Theses

The hay industry in Tennessee closely resembles a perfectly competitive market. There are no substantial barriers to market entry and farmers can freely exit if they so choose. A large number of firms and consumers (livestock producers and equine operators) exist. Hay is a fairly homogeneous product; although hay varieties are not identical, in many livestock production situations they are close substitutes. Producers are price takers in the market.

Currently, more information is needed regarding Tennessee hay supply and price response. The objectives of this study were: 1) to determine the factors that influence Tennessee hay acreage and yield, 2) …

The Impact Of Asian Players On The Revenue Of Their Teams And Major League Baseball, Ji-Ho Kim

Masters Theses

The purpose of this study is to examine the impact of Asian players, especially those from South Korea and Japan, on revenue changes of the Seattle Mariners, Los Angeles Dodgers and Major League Baseball (MLB).

To gather data, the directors of Asian baseball operations from the Seattle Mariners, LA Dodgers and MLB were contacted via e-mail and telephone. In addition, two journalists from the sports industry and two experts from the baseball industry were contacted via e-mail. Further, data showing MLB's and teams' revenue sources from Japan and South Korea were collected from several sports websites.

To investigate the impact …

Experimental Aerodynamic Analysis Of A Wing-Flap System With Delta Vortex Generators, Charles Roy Mcconnell

Masters Theses

The principle idea upon which the use of vortex generators (VGs) is based has been to control flow separation. The characteristic of VGs has been used to improve lift and alter the stall characteristics of aircraft and has been a relatively common practice for many years. Due to the seemingly limitless range of VG geometries and arrangements, which are largely dependant upon the desired aerodynamic performance, there has been a broad investigation into VG application.

The purpose of this experimental investigation has been to collect data to be used to establish the effects of various delta shaped vortex generators (delta-VGs) …

The Effect Of Stuttering And Fluency-Enhancing Conditions On A Manual Movement Task, Mary Rhodes Robbins

Masters Theses

The present study investigated the possibility of finding and quantifying correlates of stuttering behaviors outside of the speech production system. One female and six male adults who stutter (aged 22-49) drew continuous circles on a digital x-y pad under seven conditions: 1) while silent, 2) while reading alone, 3) while reading under choral speech, 4) while reading under frequency altered feedback (FAF) shifted up one-half octave, 5) while reading under FAF shifted down one-half octave, 6) while reading under delayed auditory feedback (DAF) of 100 milliseconds (ms), and 7) while reading under DAF of 200ms. Normalized jerk (NJ), a measure …

Temperature Control Of The Online Rheological Sensor, Larry Scott Spencer

Masters Theses

Rheometers are devices that can be used to measure the rheological properties of polymers. Online rheometers test for rheological properties during a polymer process. Real-time rheological data would eliminate any time delays that accompany off-line rheometers and would provide the feedback information needed for tighter polymer process control. A real-time control system would eliminate the need for an offline rheometer to analyze polymer product properties, thus saving both time and money.

The Online Rheological Sensor was used to estimate the shear and elongational viscosities of a polymer from measured variables during processing. The Online Rheological Sensor was mounted on a …

Structural And Stratigraphic Investigations Of The Bays Mountain Synclinorium, Parrottsville And A Portion Of Cedar Creek 7.5-Minute Quadrangles, East Tennessee, Neil E. Whitmer

Masters Theses

The southern Valley and Ridge foreland fold-thrust belt is comprised of a wedge of Lower Cambrian through Pennsylvanian sedimentary rocks that were folded and faulted during the late stages of the Alleghanian orogeny. Within one of the eastern thrust sheets lies the Bays Mountain synclinorium. Rocks as young as Middle Ordovician are preserved in the core of the synclinorium and record the evolution of a Taconian (Blountian) Sevier tectonic basin.

The Parrottsville and Cedar Creek 7.5-minute quadrangles are located on the southeastern flank of the Bays Mountain synclinorium of East Tennessee and contain rocks belonging to the Conasauga, Knox, and …

Peak Fitting And Peak Attribute Extraction From Capillary Electrophoresis Run Data Of Short Tandem Repeat Dna Samples, Kenneth H. Gilbert

Masters Theses

The Laboratory for Information Technologies at the University of Tennessee is developing an expert system to interpret STR DNA analytic results. An important component of the expert system fits detected peaks with analytical model equations. Information from each fitted peak is subsequently used by expert rules to identify the nature of the peak and determine its allele designation. This report documents the formulation of the peak fitting problem, discusses the various solution approaches, develops the structure of the peak fitter framework, and presents test results used to evaluate its performance.

Using STR DNA data, it was found that most peaks …

From Social Improvement To Scientific Racism: The Effects Of World War I On The Definition Of Racial Hygiene In Germany, Robyn Lee Hendrick

Masters Theses

During the First World War, there was a decisive change in the focus of the racial hygiene movement in Germany. Prior to the war, the terms "racial hygiene" and "eugenics" were synonymous. In contrast, during and after World War I while eugenics continued to be recognized as a "science" in Germany, as well as in other Western European countries and the United States, the racial hygiene movement was becoming increasingly racist. Although, as the term implies, racial hygiene included racial components, the radically racist overtones did not become prevalent until the Nazis' rise to power. Racial hygienists separated themselves from …

Biomimetic Membranes Realized With Arrays Of Carbon Nanofibers, Eric Hullander

Masters Theses

A microfluidic device with imbedded nanoporous membranes, constructed using a novel nanostructured material, was designed, built, modeled, and tested. The membranes were shown to be modular, and by adsorbing monodisperse latex spheres to the fibrous membrane, the pore size could be controlled. A mathematical model of the device was developed based on several existing fluidic models for transport through fibrous materials, and an image processing algorithm was designed to extract the hydrodynamic properties of the device from a series of scanning electron micrographs based on the existing hydrodynamic models. A series of experiments were performed using fluorescent microscopy to quantify …

Enhancing System-On-Chip Verification Using Embedded Test Structures, Wei Jiang

Masters Theses

In this project, we designed and implemented a System-on-Chip platform with embedded test structures. The baseline platform consists of a Leon2 CPU, AMBA on-chip bus, and an Advanced Encryption Standard decryption module. Reconfigurable test logic blocks were embedded to form the test structure that can be used in post-silicon debug and verification.

The System-on-Chip platform was designed at the register transistor level and implemented in an 180nm CMOS process. Test logic instrumentation was done with DAFCA, Inc. (Design Automation for Flexible Chip Architecture) pre-silicon tools. The design was then synthesized using the Synopsys Design Compiler and placed and routed using …

Detection Of Enteric Viruses In East Tennessee Public Ground Water Systems, Trisha Baldwin Johnson

Masters Theses

A two-part study was conducted by University of Tennessee-Knoxville, the U.S. Geological Survey, and the U.S. Environmental Protection Agency-National Exposure Research Laboratory to (1) develop, validate, and test a real-time reverse transcription-polymerase chain reaction (real-time RT-PCR) assay for enteroviruses in ground water samples and to (2) perform the first survey of enteric viral occurrence in the karst aquifers of East Tennessee. Karst aquifers are expected to have a high susceptibility to viral contamination because of the rapid flow (100’s of m/day) and frequent occurrence of fecal indicator bacteria typically observed in these systems.

Real-time RT-PCR primers and probes specific for …

Framing, Athletics, And Gender: A Study Of Newspapers And The 2004 Olympics, Nathan Lee Kirkham

Masters Theses

This study serves as an extension of previous research focusing on media content and gender portrayal of female athletes, most notably Kinnick’s research of the 1996 Olympics (1998). In particular, this research analyzed newspaper content for the presence of common framing devices traditionally used to inject gender bias into coverage devoted to female Olympians. More specifically, a data set of 210 articles systematically drawn from The New York Times, The Washington Post, and the Los Angeles Times

was manually coded to compare coverage of male and female Olympians during the 2004 Olympic Games.

While there were some notable exceptions, …

How Do You Rate Those Instructors? The Validity Of Student Evaluations Of Higher Education Instructors, Kristy Ann Carter Ouallal-Mcriffey

Masters Theses

The purpose of this study was to examine the validity of students’ evaluation of higher education instructors. Many questions and issues arise concerning students’ evaluation of higher education instructors. It is questionable whether a student can provide an unbiased evaluation of a higher education instructor. Because there are varying opinions on what constitutes a good or even an effective instructor, it makes it hard to determine just what student evaluations measure. If factors such as the personal feelings toward the instructor are used to determine the score on an evaluation, then this can’t possibly measure the instructors’ ability to teach. …

A Numerical Study Of Curved Labyrinth Seals For Steam Turbines, Sricharan Kishore Ayyalasomayajula

Masters Theses

A numerical experiment has been conducted to study and evaluate the structural behavior of newly designed labyrinth seals. Structural analysis was performed to understand, evaluate and compare new seals with a baseline straight seal that is typical of commonly used seals in steam turbines. New configurations of labyrinth seal knives were developed for use in steam turbines [17]. The main objective of this study is to develop a better understanding of selected various labyrinth seals that may be configured to minimize the steam leakage and reduce seal interactions with the shaft. Computational fluid dynamic modeling of the various configurations, from …

Bankfull Hydraulic Geometry Of Streams Draining The Southwestern Appalachians Of Tennessee, Gregory Scott Babbit

Masters Theses

The purpose of this study was to examine the bankfull recurrence interval for streams draining the Southwestern Appalachians Level III Ecoregion 68 of Tennessee, develop bankfull discharge and hydraulic geometry relationships for streams within the ecoregion and compare those relationships to the Ridge and Valley of Virginia, West Virginia, and Maryland (Keaton et al., 2005) and the Piedmont and Blue Ridge of North Carolina (Harman et al., 1999; Harman et al., 2000). For this investigation, a repeatable, systematic process was developed to locate bankfull stage within the Southwestern Appalachians during the spring and summer of 2005. The intent was to …

Narrating Single Motherhood: What Does It Mean To Be A Single Mother?, Brandee Rutherford Mathews

Masters Theses

Status transitions such as divorce challenge those who undergo them to revise or reformulate identities lined to statuses no longer held. This study focuses on the identity work of recently divorced mothers of dependent children. Participants were solicited from those attending a “singles’ group” designed for adults with children sponsored by a large evangelical church located in the southeast. The women’s identity work occurred within a religious context that emphasized the desirability and sanctity of marriage. The researcher both participated in the group and conducted phone interviews with eleven of the mothers in the group. Identity ambiguity and identity limbo …

Flight Testing Quadeye The First Night Vision Helmet Mounted Cueing System For Fixed Wing Jet Aircraft, Timothy Ghannon Burton

Masters Theses

In 2002 the United States Navy introduced helmet mounted cueing systems (HMCS) into tactical jet operations. As aircrews have become more reliant on their HMCS the requirement for a night vision capable cueing system has risen to the forefront of HMCS technology. One proposed solution to this requirement was Quadeye. Quadeye is a wide-angle (100deg field of view) four cathode-ray tube system with injected Joint Helmet Mounted Cueing video. The Navy flew 8 evaluation sorties from March to August 2005, in the F-18 A-F fighter aircraft. The goal of this limited scope effort was to answer four questions:

1. Does the …

   ---

   Go to article

Virus Transport During Transient Unsaturated And Steady-State Saturated Flow Conditions In Memphis Aquifer Sand, Andrew Boruff Kenst

Masters Theses

The overall goal of this research was to determine the effect of transient unsaturated flow conditions on the transport of a virus in aquifer material. It was hypothesized that viruses would be transported at the same rate and over the same distance as the migration of the wetting front and that virus retention during transient unsaturated flow would be similar to that during steady-state saturated flow. Virus transport during transient unsaturated horizontal flow was experimentally compared with its behavior under steady-state saturated vertical flow. In the transient flow experiment, virus (ΦX174) suspension was introduced into an initially air-dry repacked Memphis …

Viscosity Measurement Technique By Merging Liquid Drops Aboard The International Space Station, Daniel Aaron Lehman

Masters Theses

The efforts reported in this thesis has been to analyze the data from two "Fluid Merging Viscosity Measurement" experiments in order to validate this as a viable method for measuring the viscosity of fluids with known surface tensions. This method involves simultaneously using a numerical analysis code and experimental data to produce matching curves of contact radius versus time and from that a determination of viscosity. Two experiments that were performed, used different liquids (glycerin and 125 Poise silicon oil) and different size ratios between the two drops ( 1 to 1 and O. 3 3 to 1 respectively). The …

Pedologic Investigations In The Red River Region Of Eastern Kentucky: Relationship Of Soil Properties To Lithology, Slope Aspect, And Soil Quality To Prehistoric Indigenous Food Plot Locations, Jason D. Windingstad

Masters Theses

ABSTRACT

Part I

The Red River Valley of Eastern Kentucky contains cultural remains that point to the independent development of agriculture during the Late Archaic cultural period. The objective of this study is to gather quantitative data through the chemical and physical analysis of soils collected within a valley transect to gain insights into landscape processes and soil quality that may have played a role in the development of plant domestication. National Cooperative Soil Survey standards were used for field descriptions and the chemical and physical analysis of all samples. Soil quality values such as ECEC (ammonium acetate pH 7), …

Brassica Mulches And Meal Control Fungal Wheat Pathogens In Vitro And Take-All Disease In Soil, Thomas Samuel Breeden

Masters Theses

Soilborne pathogens have an economic impact on crops throughout the world. Many survive saprophytically and therefore are difficult to control. Soil fumigation and seed treatments are sometimes effective. However, they are economically impractical for many crops. Crop rotation/alternative crops are often a practical, economical, and successful means of controlling soilborne pathogens. Recent studies have revealed that Brassica spp. Inhibit a wide array of plant pathogens. Decomposing species of Brassica release glucosinolates, which are converted to isothiocyanates (ITC) by the enzyme myrosinase. The ITC compounds inhibit microorganisms. The present study had three objectives. The first was to evaluate the effect of …