Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

1999

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 10141 - 10170 of 13180

Full-Text Articles in Entire DC Network

Effect Of Atmospheric Variations On Subsurface Flow And Transport, Laila Badran Jan 1999

Effect Of Atmospheric Variations On Subsurface Flow And Transport, Laila Badran

UNLV Retrospective Theses & Dissertations

This thesis investigates the effect of atmospheric variations on subsurface flow and transport at the proposed high level waste repository at Yucca Mountain, Nevada. The conditions of subsurface transport were simulated with NUFT (Nonisothermal Unsaturated-Saturated Flow and Transport model) modeling software developed by the Lawrence Livermore National Labs (Nitao, 1995). Rock properties and surface ambient conditions specific to the mountain, including diurnal and seasonal changes in temperature, pressure and humidity were incorporated into the NUFT model. The effects of changing atmospheric conditions on the liquid and vapor phase components and fluxes were examined as well. Time swing analysis of weather …

Go to article

The Effect Of Exposure, Involvement And Sponsorship Types On Spectator Recognition And Attitude, Tanya Michelle Benson Jan 1999

The Effect Of Exposure, Involvement And Sponsorship Types On Spectator Recognition And Attitude, Tanya Michelle Benson

UNLV Retrospective Theses & Dissertations

The purpose of this research was to examine the effects of sport sponsorships on consumer recognition and attitudes toward the sponsor. This study explored the differences in recognition and attitude among four types of tournament sponsorships (exposition, multi-level, sky box and dummy sponsors). In addition, this study looked at the effects of exposure, involvement and aesthetic qualities on sponsorship recognition. Surveys were administered to spectators at the 1997 Las Vegas Invitational Golf Tournament. Results from this study revealed a significant difference in recognition and attitude among the four different types of sponsorships at the tournament. These differences were attributed to …

Go to article

Modeling The Rates Of Lead And Strontium Uptake By Zeolitized Tuff From Rainier Mesa, Nevada Test Site, Nevada, Patricia Ann Bernot Jan 1999

Modeling The Rates Of Lead And Strontium Uptake By Zeolitized Tuff From Rainier Mesa, Nevada Test Site, Nevada, Patricia Ann Bernot

UNLV Retrospective Theses & Dissertations

The fate and transport of contaminants released during nuclear testing at the NTS are partly controlled by interactions of their aqueous species with mineral surfaces. It has been shown that retardation of contaminants in the subsurface may be controlled by intraparticle mass transfer rather than equilibrium partitioning. For this reason, the rate of lead (Pb) and Strontium (Sr) uptake by zeolitized tuff from Rainier Mesa, NTS, was studied as a function of pH, ionic strength, and metal concentration; To test the hypothesis that sorption of Pb occurs through surface precipitation and Sr sorbs through diffusion, the data were modeled by …

Go to article

Hydrogeology Of The Penoyer Valley Region, Central Nevada, Douglas Bruce Blatchford Jan 1999

Hydrogeology Of The Penoyer Valley Region, Central Nevada, Douglas Bruce Blatchford

UNLV Retrospective Theses & Dissertations

Groundwater in the vicinity of Penoyer Valley in central Nevada is part of the White River Flow system that drains from Jakes Valley in the north to Muddy River Springs in the south, a distance of 320 km (200mi). A four-basin subregion was modeled that indicates Penoyer, Garden, Coal, and Tikaboo Valleys are hydraulically connected. This connection is facilitated by carbonate rock formations found in the Worthington Mountains and the Timpahute Range, located on the eastern and southern perimeter of Penoyer Valley. Although Penoyer Valley and Garden Valley are hydraulically connected, it is likely that groundwater does not flow across …

Go to article

A Study To Determine The Minimum Autocad Command Set For Computer-Aided Drafting In The Las Vegas Area, David John Brodersen Jan 1999

A Study To Determine The Minimum Autocad Command Set For Computer-Aided Drafting In The Las Vegas Area, David John Brodersen

UNLV Retrospective Theses & Dissertations

The purpose of this study was to identify the computer aided drafting (CAD) commands most frequently used in the industrial application of the thirteenth release of the software product AutoCAD, vended by AutoDESK. Respondents were located within the Las Vegas drafting community and nearby areas. The outcome of this study was used to identify commands needed to operate the software at a desired level of competency and to identify any relationship between the release thirteen commands used by the respondents and commands available in the previous release of the software; A questionnaire was delivered to 90 businesses engaged in drafting …

Go to article

Study Of Business Failure In The Hospitality Industry From Both Microeconomic And Macroeconomic Perspectives, Luyuan Gao Jan 1999

Study Of Business Failure In The Hospitality Industry From Both Microeconomic And Macroeconomic Perspectives, Luyuan Gao

UNLV Retrospective Theses & Dissertations

Business failures in the hospitality industry were examined in this study from both microeconomic and macroeconomic perspectives. In the micro-level study, this paper developed a discriminant model for predicting bankruptcy of hospitality firms (lodging and restaurant firms). This model achieved a 92-percent accuracy in classifying the in-sample firms into bankrupt and non-bankrupt groups one year prior to bankruptcy, and a 83-percent accuracy two years prior to bankruptcy. This model also correctly predicted an out-of-sample bankruptcy from one to four years in advance. Additionally, in order to eliminate the industry effect, the study estimated a bankruptcy prediction model for the restaurant …

Go to article

Avian Habitat Relationships In The Mojave Desert, Matthew Eugene Hamilton Jan 1999

Avian Habitat Relationships In The Mojave Desert, Matthew Eugene Hamilton

UNLV Retrospective Theses & Dissertations

The relationship between bird community composition and plant community composition and structure was studied over three years (1994-1996) in a variety of Mojave Desert habitat types. This study addressed two fundamental questions: what plant community characteristics are statistically related to bird species diversity and the density of individual bird species, and what is the affect of neighboring habitat on bird species composition? Three habitat types were surveyed, Larrea scrub, Larrea scrub with Yucca and Opuntia, and Coleogyne scrub with Yucca. Bird species richness varied from 1 to 10 species, with the Coleogyne sites having the most species and the Larrea …

Go to article

Penware Panther: An Embedded Computer System For Real-Time Applications, Chenyong Huang Jan 1999

Penware Panther: An Embedded Computer System For Real-Time Applications, Chenyong Huang

UNLV Retrospective Theses & Dissertations

Embedded computer systems target on different tasks and serve in various environments. This thesis relates to the design of Panther, an embedded computer system for real-time applications. Panther, a product of Mobinetix System Company, is a transaction and signature capture terminal which is aimed at a paperless environment. This product possesses a variety of functions from electronically capturing signature for receipts, contracts or identification, to touch-screen communication for PIN entry, advertising and customer survey. The emphasis of the thesis is on design of the firmware module of Panther. Instead of using the traditional flow chart and state machine approaches, an …

Go to article

An Examination Of Two-Year And Four-Year Continuing Education Curriculum In Post-Secondary Hospitality Management Programs, Clark Smith Kincaid Jan 1999

An Examination Of Two-Year And Four-Year Continuing Education Curriculum In Post-Secondary Hospitality Management Programs, Clark Smith Kincaid

UNLV Retrospective Theses & Dissertations

The purpose of this study was to examine continuing education in foodservice management and higher education focuses on how academic programs view continuing education. Four specific areas were focused upon in this study (1) operational issues in continuing education, (2) program design of continuing education, (3) academic practices related to continuing education, and (4) subject areas of foodservice which could be a part of a continuing education program; When possible, importance and performance scores were calculated, allowing for a robust analysis. The analysis includes general descriptive statistics such as frequencies and means and appropriate inferential statistics.

Go to article

Fast Algorithms For Wavelet-Based Analysis Of Hyperspectral Signatures, Jiang Li Jan 1999

Fast Algorithms For Wavelet-Based Analysis Of Hyperspectral Signatures, Jiang Li

UNLV Retrospective Theses & Dissertations

Hyperspectral sensors promise great improvements in the quality of information gathered for remote sensing applications. However, they also present a huge challenge to data storage and computing systems. Thus there is a great need for reliable compression schemes, as well as analysis tools that can exploit the hyperspectral data in a computationally efficient manner. It has been proposed that wavelet-based methods may be superior to currently used methods for the analysis of hyperspectral signatures. In this thesis, a wavelet-based method, as well as traditional analytical methods, was implemented and applied to hyperspectral images. The computational expense of the various methods …

Go to article

Towards The Cloning Of The Human Heat Shock Protein Twenty-Seven Multigene Family, Ann A Ohiaeri Jan 1999

Towards The Cloning Of The Human Heat Shock Protein Twenty-Seven Multigene Family, Ann A Ohiaeri

UNLV Retrospective Theses & Dissertations

We attempted to clone closely-related members of the human heat shock protein 27 (hsp 27) multigene family. Genomic DNA was obtained from human A549 lung cancer cells. Colony hybridization and the Polymerase chain reaction identified the hsp 27 genes. Positive clones were subcloned into pGEM-3Z. The DNA sequence information for three of the clones was determined, and analyzed using DNAsis and Blast Algorithms. DNA Alignments of the inserts contained in three positive clones showed a homology of 29-51% to the human hsp 27 gene. Our data suggests that these inserts are distant members of the human hsp 27 multigene family. …

Go to article

An Examination Of Distance Learning Utilization In Post-Secondary Hospitality Management Programs, Susan J Raymakers Jan 1999

An Examination Of Distance Learning Utilization In Post-Secondary Hospitality Management Programs, Susan J Raymakers

UNLV Retrospective Theses & Dissertations

Post-secondary institutions have long utilized distance learning to expand the base of students. The traditional paper correspondence course has served as a basis for post-secondary education to reach students physically separated from the campus. Recent increases in technology, specifically in networking, have allowed post-secondary institutions to advance the use of distance learning in educational programs. This study identifies the current utilization of distance learning in the post-secondary education arena, particularly in hospitality management programs. It questions program directors in two and four year post-secondary hospitality management programs to determine the respective differences in distance learning activities. Specific areas of interest …

Go to article

The Reality Gap Of Employee-Management Misperceptions: Comparing United States Air Force Services Squadron Members To Their Private Sector Counterparts, Michael Christopher Rakoczy Jan 1999

The Reality Gap Of Employee-Management Misperceptions: Comparing United States Air Force Services Squadron Members To Their Private Sector Counterparts, Michael Christopher Rakoczy

UNLV Retrospective Theses & Dissertations

This exploratory study examined employee-management misperceptions in the United States Air Force Services career field. The "reality gap," as defined, is the misperception of workers needs or wants by management. Employee and manager surveys from 1946, 1980, 1987, and 1991 which demonstrate this phenomenon are examined to establish the validity of the reality gap, the length of time it has existed, and the full ramifications of the extent of the gap. The reality gap is then shown as the precipitating factor toward employee dissatisfaction, leading directly to employee turnover. All of this is framed within the context of Management by …

Go to article

Rodent Effects On Shrubs In A Mojave Desert Shrub Community, Steven Schuyler Vrooman Jan 1999

Rodent Effects On Shrubs In A Mojave Desert Shrub Community, Steven Schuyler Vrooman

UNLV Retrospective Theses & Dissertations

The mounds created by many species of Dipodomys (kangaroo rats) are long-term modifications of the the soil chemical and physical environment which have been shown to increase both the diversity and abundance of annuals in the deserts of the Southwestern United States. I characterized shrub distribution and soil parameters on and off rodent mounds in a Coleogyne ramosissima community in Lucky Strike Canyon near Las Vegas, Nevada and performed several experiments to investigate rodent effects on seedlings and seeds of C. ramosissima. Rodent mounds were found to be long-term modifications of the soil physical and chemical environment which support a …

Go to article

Ethical Climates In Lodging Operations: An Exploratory Study Of Management Perceptions, Todd Isaac Weinstein Jan 1999

Ethical Climates In Lodging Operations: An Exploratory Study Of Management Perceptions, Todd Isaac Weinstein

UNLV Retrospective Theses & Dissertations

This study explored the role of ethics in lodging organizations. Managers working at five different properties constituted the survey sample. The study examined management perceptions as measured by the Ethical Climate Questionnaire (ECQ). This instrument, used in previous research on moral reasoning, is designed to assess the perceptions of respondents based on three categories in two separate dimensions: ethical criteria (egoism, benevolence and principle) and loci of analysis (individual, local, and cosmopolitan). Each category comprises a separate ethical climate. Results from the ECQ were compared to various demographic variables such as gender, age, years of management experience, and number of …

Go to article

Feedback Linearization And Adaptive Control Of A Nonlinear Aeroelastic System, Wenhong Xing Jan 1999

Feedback Linearization And Adaptive Control Of A Nonlinear Aeroelastic System, Wenhong Xing

UNLV Retrospective Theses & Dissertations

In this thesis, it is exhibited that although, the aeroelastic system is not input-state feedback linearizable, a partial linearized representation of the system in dimension three can be obtained. Based on this partially linearized representation, a new inverse controller was derived and simulation results show that control of pitch angle and plunge displacement can be accomplished; Then, adaptive output feedback control law is examined. For the synthesis of the controller, it is assumed that only pitch angle and plunge displacement are measured. A canonical state variable representation of the system is derived for the reconstruction of the state variable. According …

Go to article

Automated Stenosis Quantification In Coronary Arteriograms, Yu Zhang Jan 1999

Automated Stenosis Quantification In Coronary Arteriograms, Yu Zhang

UNLV Retrospective Theses & Dissertations

Computer-assisted techniques have been shown to be useful in estimating the diameter and cross-sectional area of coronary artery lesions. In this study, two different strategies are employed for identification of artery contours, i.e., scanning and tracKing The scanning approach is accomplished by a canny edge detector. The edge tracking approach is in favor due to its low variability and fast analysis time. Given a start point and search direction, a tracking process automatically detects the arteries edge. From the edge points, a quantitative analysis process calculates the arteries diameter and percent diameter stenosis. As the software runs within a second, …

Go to article

The Use Of Continuum Models For Conducting Both Linear And Nonlinear Analyses Of Lattice Structures, Simon Yi Luk Jan 1999

The Use Of Continuum Models For Conducting Both Linear And Nonlinear Analyses Of Lattice Structures, Simon Yi Luk

UNLV Retrospective Theses & Dissertations

Large structural projects, such as lattices for framing tall buildings or space purpose can result in huge finite element models. The use of continuum methodology for conducting both linear and nonlinear analyses of lattice structures in finite-element models results in significantly fewer degrees of freedom than discrete finite-element models, which individually model each structural element. Hence, the use of continuum models can result in a considerable reduction in computational effort with a corresponding savings in cost, at least during early 1990s when Pentium computer was not available. Now, it can still be a good design method especially for tall buildings …

Go to article

Motivation For Sport Spectating Among The Taiwanese People, Ching-Ching Hsu Jan 1999

Motivation For Sport Spectating Among The Taiwanese People, Ching-Ching Hsu

UNLV Retrospective Theses & Dissertations

The purpose of this research was to examine the motivation for sport spectatorship among Taiwanese people. Seven sport spectating motivation factors that have been found in U.S. studies to be involved in sport spectatorship (self-esteem, entertainment, eustress, aesthetic, escape, group-affiliation, and family-togetherness) were examined. In addition, this study looked at the differences in spectating motivation between Taiwanese males and females. Surveys were administrated to 188 Taiwanese people. ANOVA and MANOVA analyses were conducted to examine spectator motivations and differences between males and females. The results indicated that some factors were more descriptive of the sport spectating motivation of Taiwanese people …

Go to article

Urban Public Space On The Las Vegas Strip, Kip Barton Jan 1999

Urban Public Space On The Las Vegas Strip, Kip Barton

UNLV Retrospective Theses & Dissertations

This study is an analysis of randomly selected urban public spaces on the Las Vegas Strip. This study uses criterion gleaned from studies of traditional as well as contemporary urban public spaces throughout the world but predominately major cities in the United States such as New York, Los Angeles and San Francisco. These criteria serve as a preliminary basis of compariSon First hand observation is used to collect the data which is used for this compariSon Further observation is used to determine the characteristics present in these spaces that may not be present in other urban public spaces; While urban …

Go to article

Timing Is Everything Almost: An Analysis Of Eugene O'Neill's "Desire Under The Elms" In Terms Of Its Success, Janet Catherine Alicesun Jan 1999

Timing Is Everything Almost: An Analysis Of Eugene O'Neill's "Desire Under The Elms" In Terms Of Its Success, Janet Catherine Alicesun

UNLV Retrospective Theses & Dissertations

Eugene O'Neill's Desire Under the Elms has proven itself a play worthy of praise. This thesis traces the specific elements which illustrate that this theatrical work, having gone beyond the audience for which it was written in 1924, continues to be rightfully considered a success seventy-five years after its creation. Unlike Robert Brustein in Theatre of Revolt and Eric Bentley in Thinking About The Playwright, who classify and compare all of O'Neill's work in their role as professional critics, this thesis examines and reflects on this one work as an individual entity unto itself; This analysis surveys the prevailing literary, …

Go to article

The Problem Gambler In Las Vegas: Quantitative And Qualitative Explorations, Bo Jason Bernhard Jan 1999

The Problem Gambler In Las Vegas: Quantitative And Qualitative Explorations, Bo Jason Bernhard

UNLV Retrospective Theses & Dissertations

Problem gambling behaviors among the adult population in the city of Las Vegas, Nevada are analyzed using both quantitative and qualitative methodologies. Responses to problem gambling questions from 1992 and 1995 telephone surveys are examined. On the 1992 survey, which focused on lifetime problem gambling behaviors, 5.8% of local residents indicated that they had a gambling problem. On the 1995 survey, which inquired about past-year gambling problems, 6.6% of the local population indicated that they had a gambling problem. Demographic information on the self-identified problem gamblers in the surveys is presented as well. Because survey methodology is limited in its …

Go to article

Assessing The Accuracy Of The Penn World Tables, Timothy Scott Fitzgerald Jan 1999

Assessing The Accuracy Of The Penn World Tables, Timothy Scott Fitzgerald

UNLV Retrospective Theses & Dissertations

The Penn World Tables are a data set used by many important, widely cited empirical studies on growth and international finance. It displays a set of national accounts time series covering developed and developing countries. Its expenditure entries are denominated in a common set of prices in a common currency so that real international quantity comparisons can be made over time and space using an interspatial extrapolation procedure. The Penn World Tables cover substantially more countries than those included in the individual benchmark year studies; The purpose of this study is to assess the accuracy of the price estimates given …

Go to article

Celluloid Heroes: A Study Of Fictional Characters In Popular Film As Vehicles For Cultural Myth, Jeffrey Patterson Lawrence Jan 1999

Celluloid Heroes: A Study Of Fictional Characters In Popular Film As Vehicles For Cultural Myth, Jeffrey Patterson Lawrence

UNLV Retrospective Theses & Dissertations

The following study is an examination of three fictional characters from popular film in an attempt to define the role of cultural myth in American society and demonstrate how these myths are distributed through popular culture media. The study will examine the film history of each character, analyze which myths these characters perpetuate, and attempt to explain the impact such myths have on a given audience; To gain a better understanding of society, scholars need to examine the books people read, the music they listen to, and the films they watch. It is the hope that this study will lend …

Go to article

Black And Blue: A Metaphoric Criticism, Jacquelyn A Luongo Jan 1999

Black And Blue: A Metaphoric Criticism, Jacquelyn A Luongo

UNLV Retrospective Theses & Dissertations

First, the purpose of this study is to investigate the ways in which blues lyrics apply rhetorical invention, specifically metaphor. Analysis of a sample of songs from the Blues Hall of Fame first explores how classical rhetorical devices are utilized in blues lyrics; Secondly, through metaphoric criticism the unique idiom of the blues reveals a strong trend towards self-abasement. And finally, despite intensified racial awareness of genre of folk (blues) music it is not a closed communicative act, but through the utilization of archetypal metaphor, a universal one.

Go to article

The Disability Press: A Wheel Still In Spin, Cindy Schwartz Mccoy Jan 1999

The Disability Press: A Wheel Still In Spin, Cindy Schwartz Mccoy

UNLV Retrospective Theses & Dissertations

This study, exploring the messages of the disability press, also utilizes Marxist theory to explain empowerment in the disability community. Although Marxism has significant value for explaining disability oppression, Marx's theory of internal relations, describing an interconnected web of organizational structure and the accompanying relationships, sheds light on the political nature of disability empowerment. A world view characterized by an economic base and social superstructure models an intrinsically enmeshed impairment base and social superstructure model of disability. The covers and cover stories of Mouth, Mainstream, Ragged Edge, and New Mobility magazines are catalogued and a representative sample is analyzed in …

Go to article

Gender Tragedy In George Eliot's "Mill On The Floss", Elizabeth Anne Nielsen Jan 1999

Gender Tragedy In George Eliot's "Mill On The Floss", Elizabeth Anne Nielsen

UNLV Retrospective Theses & Dissertations

This thesis centers around the gender roles present during the Victorian era and how George Eliot examined these roles in Mill on the Floss. She did so through her representations of Tom and Maggie Tulliver and by examining how each of these characters deal with the respective roles for his or her gender while living during the Victorian age. Tom strictly follows the imposed roles for his gender, while Maggie refuses to live within the social boundaries set for her own. The societal restrictions and how each deals with them is symbolically represented in their physical descriptions as well. Each …

Go to article

Midpoint Estimation Applied To The Vertical-Horizontal Illusion, Gary Wayne Ogren Jan 1999

Midpoint Estimation Applied To The Vertical-Horizontal Illusion, Gary Wayne Ogren

UNLV Retrospective Theses & Dissertations

Eighty-three college undergraduates estimated midpoints of vertical lines presented in cued (a letter or figure presented below the line), uncued, and inverted T conditions. Subject's mean estimates were near the geometric midpoint in the two cued conditions, and significantly above the midpoint in the uncued and inverted T conditions. Mean estimates in the inverted T conditions were significantly above those in the uncued condition. These displacements are discussed in relation to previous midpoint estimation findings and theoretical explanations of the vertical-horizontal illusion. The midpoint estimation task is evaluated as an investigative tool in studies of geometric-optical illusions, and recommendations for …

Go to article

Exploring Age-Related Changes In Creativity, Diane Villa Jan 1999

Exploring Age-Related Changes In Creativity, Diane Villa

UNLV Retrospective Theses & Dissertations

The effects of aging on creativity using a laboratory task involving combining assigned parts and categories into novel and practical items was explored. Older adults demonstrated equivalent creativity to that of young adults. Measures of working memory and processing speed were also administered. Older adults did not perform as well as younger adults. Results indicate that reducing the demands on processing capacity enables older adults to perform as well as younger adults on creativity tasks.

Go to article

Amerikan Dreams: Dialogues With White Supremacists, Pete George Simi Jan 1999

Amerikan Dreams: Dialogues With White Supremacists, Pete George Simi

UNLV Retrospective Theses & Dissertations

The following is an ethnographic study of white supremacy. Using a cultural studies approach, I focus on ideology and how members of the openly white supremacist Army of Israel (AOI) practically accomplish aspects of their ideology on a daily basis. Further, I juxtapose the articulations of white supremacy by members of the "extreme" right with more "mainstream" culture, situating the AOI's virulent form of white supremacy within a pattern of thinking and behavior that exists on a continuum embedded within the larger culture, including our political and economic institutions, everyday practices and unconscious (Ansley 1997; Feagin and Vera 1995; Kovel …

Go to article

First Prev Next Last