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2002

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Evidence For Virgin Anasazi Presence In The Las Vegas Valley And Adjacent Areas, Susanne Janine Rowe Jan 2002

Evidence For Virgin Anasazi Presence In The Las Vegas Valley And Adjacent Areas, Susanne Janine Rowe

UNLV Retrospective Theses & Dissertations

Olivine-tempered ceramics are a characteristic artifact of Virgin Anasazi culture. The ceramics are found in the Las Vegas area, more than 70 km west of permanent Anasazi settlements in the Moapa Valley. Little is known regarding Anasazi utilization of this area, since most investigators have focused on the permanent settlements. I examined 25 ceramic assemblages from the Las Vegas vicinity, calculated the frequencies of olivine-tempered sherds in each, and noted the geographical distribution of the wares. The evidence does not support down-the-line exchange, but shows concentrations of olivine-tempered wares in the north Las Vegas Valley, Paradise Valley, and further west …

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Spectroscopic Abundances Of Solar-Type Dwarfs In Open Cluster M34 (Ngc 1039), Simon Charles Schuler Jan 2002

Spectroscopic Abundances Of Solar-Type Dwarfs In Open Cluster M34 (Ngc 1039), Simon Charles Schuler

UNLV Retrospective Theses & Dissertations

Parameters and relative abundances of Fe, Ni, Ti, Cr, Ca, Si, Al, and Mg have been derived for nine M34 G and K dwarfs from high-resolution, modest S/N, Keck/HIRES spectra. Effective temperatures have been derived spectroscopically and fall in the range 4750 ≤ Teff ≤ 6130 K. Despite modest scatter in Fe, Ti, Cr, Ca, Al, and Mg (none of which is found to be correlated with Li scatter in M34), our two coolest stars are slightly though consistently underabundant in these elements relative to the warmer stars. The two cool stars are slightly overabundant in Si, whose abundances are …

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Alternate Path Routing Algorithm For Traffic Engineering In The Internet, Shyam Subramanian Jan 2002

Alternate Path Routing Algorithm For Traffic Engineering In The Internet, Shyam Subramanian

UNLV Retrospective Theses & Dissertations

Data flowing through the internet continues to grow every year. Increase in traffic demands increase in bandwidth. But bandwidth1 does not grow as fast as the traffic. This leads to congestion in the network and performance degradation. One way to avoid this problem is to use efficient routing algorithm that efficiently maps the flow of data onto the network; The most often used routing algorithm in the internet is the shortest path algorithm (Dijkstra's algorithm). This algorithm is simple and easy to implement. But this algorithm leads to over-utilization of part of the network, while the other part remains under-utilized. …

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A Comparison Of Upper Confidence Limits For Skewed Distributions, Michael Gary Theemling Jan 2002

A Comparison Of Upper Confidence Limits For Skewed Distributions, Michael Gary Theemling

UNLV Retrospective Theses & Dissertations

Remediation decisions at contaminated sites are determined by comparing the Upper Confidence Limit (UCL) of the mean contaminant to a site-specific action level. The Environmental Protection Agency (EPA) has established methods for computing this UCL, also called the Exposure Point Concentration (EPC) term; The UCL formula depends upon the distribution of the contaminant concentrations, which are often positively skewed. The EPA frequently recommends the Lognormal distribution to model such data. However, that assumption often causes the UCL to be unreliable. What is the role of skewness in computing UCL statistics over different distributions? Computer simulation is used to test a …

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An Analysis Of The Relationship Between Alcohol Availability And Alcohol-Related Hospital Admissions In The City Of Chicago, 1990--1997, Dorothy Ruth Wilson Jan 2002

An Analysis Of The Relationship Between Alcohol Availability And Alcohol-Related Hospital Admissions In The City Of Chicago, 1990--1997, Dorothy Ruth Wilson

UNLV Retrospective Theses & Dissertations

Current research suggested a relationship between alcohol availability and problems, including suicide, and car accidents. However, the relationship between alcohol availability and alcohol related hospital admissions, such as acute intoxication and liver damage, has not been widely explored. Measuring alcohol availability by alcohol outlet density and using data for alcohol related hospital admissions in the city of Chicago, a Poisson regression analysis determined that neighborhoods with a higher percentage of African-Americans, higher poverty level, and a greater density of alcohol outlets had a greater number of alcohol related hospital admissions than other neighborhoods. To control for individual level characteristics, a …

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Calculation Involving Hydrogen-Hydrogen(2) Collisional Cooling Processes For Use In Astrophysics, David Michael Archer Jan 2002

Calculation Involving Hydrogen-Hydrogen(2) Collisional Cooling Processes For Use In Astrophysics, David Michael Archer

UNLV Retrospective Theses & Dissertations

This thesis will calculate the H-H2 cooling processes used in astrophysics. Cooling is critical to the formation of the first objects formed in the early universe, and other diverse phenomenon of interest to astrophysics. For instance, in order to collapse into objects, the gravitational potential energy of primordial density fluctuations must be radiated away. The most abundant element in the universe is hydrogen, and cooling processes involving hydrogen are important in several contexts. To calculate the cooling, the cross section for collisional excitation at constant energy were integrated over a Maxwellian velocity distribution to determine a rate coefficient. Then the …

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Partitioning A Given Circuit Targeting Multiple Fpgas, Girish Narayanan Cherussery Jan 2002

Partitioning A Given Circuit Targeting Multiple Fpgas, Girish Narayanan Cherussery

UNLV Retrospective Theses & Dissertations

Our approach to the problem of partitioning the design (represented as a hypergraph) into Multi-FPGAs uses a bi-level approach by initially clustering the design and then applying the bipartitioning technique iteratively. Each partition generated by the iterative bipartitioning technique should meet the constraints given by the FPGAs input-output and number of CLBs. The traditional FM partitioning can be applied to partition the circuit into multiple FPGAs. FM partitioning aims to minimize the number of interconnections but fails to group the nodes with maximum interconnections into one partition. Thus FM algorithm looks at the partitioning problem with a global viewpoint, abandoning …

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The Architectural Impact Of Using Ground-Source Heat Pumps In Commercial Buildings In Las Vegas, George Aaron Bergman Jan 2002

The Architectural Impact Of Using Ground-Source Heat Pumps In Commercial Buildings In Las Vegas, George Aaron Bergman

UNLV Retrospective Theses & Dissertations

A series of parametric studies evaluate the architectural impacts on the design and long term performance of ground-coupled heat pump systems over a fixed period of time. The results are applied to a commercial office building in order to assess the net impact of combining various energy efficiency strategies. The conclusion of the comprehensive study is that energy efficient design strongly contributes to a reduction in the required size of a ground-coupled heat pump system. A comparative life-cycle cost analysis validates these results by using the same commercial office building design to evaluate a ground-coupled heat pump system against two …

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Delirium In The Hospitalized Elderly: Clinical Indicators Found In Medical Records, Diane M Elmore Jan 2002

Delirium In The Hospitalized Elderly: Clinical Indicators Found In Medical Records, Diane M Elmore

UNLV Retrospective Theses & Dissertations

Delirium, which can be reversible and preventable, is one of the most significant complications affecting the hospitalized elderly today. The purpose of this descriptive retrospective chart review was to determine if medical records contain sufficient evidence to identify elderly patients who were at risk for developing delirium within 72 hours of hospital admission, and if accepted, evidence-based criteria were used to document the acute confusion. The chart's of 100 patients, at least 65 years of age, admitted to a rural hospital were reviewed retrospectively. The review indicated that there was sufficient evidence, based solely on the descriptors and clinical information, …

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Cfd Study Of Section Characteristics Of Formula Mazda Race Car Wings, Walter G Kiffer Jan 2002

Cfd Study Of Section Characteristics Of Formula Mazda Race Car Wings, Walter G Kiffer

UNLV Retrospective Theses & Dissertations

A great deal of research has been performed on the aerodynamic characteristics of race cars competing in the major racing series through out the world. Because of the competitive nature of motorsports, this research is usually not published until after it is obsolete. The teams operating at the minor league levels of the sport do not have the funding resources of the major series to perform aerodynamic research; In an effort to provide some information for teams competing in the minor league Formula Mazda race car class, this study was conducted. The Star-CD computation fluid dynamics code was used to …

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Approximation Algorithms For Multi-Facility Location, Prashanth Kodela Jan 2002

Approximation Algorithms For Multi-Facility Location, Prashanth Kodela

UNLV Retrospective Theses & Dissertations

This thesis deals with the development and implementation of efficient algorithms to obtain acceptable solutions for the location of several facilities to serve customer sites. The general version of facility location problem is known to be NP-hard; For locating multiple facilities we use Voronoi diagram of initial facility locations to partition the customer sites into k clusters. On each Voronoi region, solutions for single facility problem is obtained by using both Weizfield's algorithm and Center of Gravity. The customer space is again partitioned by using the newly computed locations. This iteration is continued to obtain a better solution for multi-facility …

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The Development And Management Of The Utah Shakespearean Festival: The Bard's Light Shone On Deseret, Lawrence Douglas Henley Jan 2002

The Development And Management Of The Utah Shakespearean Festival: The Bard's Light Shone On Deseret, Lawrence Douglas Henley

UNLV Retrospective Theses & Dissertations

The purpose of this project is to identify and explain the Utah Shakespearean Festival phenomenon, from a managerial and operations standpoint in particular. Considerable discourse will be devoted to the underlying factors leading to the establishment, steady growth, and financial stability of the Utah Shakespearean Festival. Upon close inspection, the Festival examined is principally-, philosophically-, and personality-driven. Very close attention will be taken to examine the principles, practices and the personalities that have made the USF what it is today; Other questions will be answered throughout this thesis. How is the Festival run? How does it continue to grow and …

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Female Victims Of Domestic Violence And Their Negotiation For Safety, Lisa Rose Kopinski Jan 2002

Female Victims Of Domestic Violence And Their Negotiation For Safety, Lisa Rose Kopinski

UNLV Retrospective Theses & Dissertations

With the majority of studies focusing on the reasons why victims discontinue legal action against their abusers, I believe these women are once again being blamed for the continued abuse. It is my thesis that victims of domestic violence enter formal action against their abusers with specific goals in mind particular to each woman's life situation. These goals may be very different than the legal outcomes prominent amongst our nation's courtrooms. I will attempt to illustrate those goals victims routinely seek as well as the obstacles they encounter when attempting to free themselves from violence. This research will become a …

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Prostate Cancer Recognition In Ultrasound Images, Theodores Dimitrios Lazarakis Jan 2002

Prostate Cancer Recognition In Ultrasound Images, Theodores Dimitrios Lazarakis

UNLV Retrospective Theses & Dissertations

Our purpose is to aid medical doctors in prostate cancer detection via computer automated analysis of prostatic ultrasound imagery. Absorption of ultrasound signals is different in cancerous areas than in non-cancerous areas. The energy of the signal, the continuity of the signal, the autocorrelation function and frequency domain properties of prostatic ultrasound images are different in normal tissue than in cancerous tissue; This thesis presents an algorithm for automated cancer recognition in prostatic ultrasound imagery. Statistical and morphological based models are employed to classify regions of ultrasound imagery as either cancerous or non-cancerous. Application of our algorithm onto a limited …

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Lossless Audio Compression Of Speech And Voice, Yang Liu Jan 2002

Lossless Audio Compression Of Speech And Voice, Yang Liu

UNLV Retrospective Theses & Dissertations

Data compression plays an important role in modern telecommunication, entertainment, computing and networking areas because the capacities of media for storage and bandwidth for transmission are not growing proportionally with the rapid demand for multimedia data. Speech and voice compression is one of applications in this field. Although there are a lot of techniques used in speech coding, new algorithms need to be developed to achieve better performance. Our research focus is on lossless speech and voice compression using wavelet transform, prediction, and Rice coDing These techniques have some properties, such as, very fast computation and easily exploiting the redundancy …

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Gambling With Virtue: The Moral Ramifications Of Female Gaming In The Early Novels Of Frances Burney, Heather Lynn Lusty Jan 2002

Gambling With Virtue: The Moral Ramifications Of Female Gaming In The Early Novels Of Frances Burney, Heather Lynn Lusty

UNLV Retrospective Theses & Dissertations

Gambling has always been an influential factor in literature; the importance of gaming to social entertainment in the eighteenth-century is inextricable from both historical and literary studies of the period. In the novel, gaming functions as a tangible social vice; the financial perils and moral recriminations suffered by literary characters is an essential part of their personal development; Frances Burney uses gaming as a fundamental element in her early novels; the trials her heroines experience during their forays into society all include the presence of gaming in some form. The proximity of gaming, as well as the social and moral …

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The Effect Of Antioxidant Vitamins On Muscle Damage During A 50-Mile Endurance Ride In Horses, Danielle Irene Marrone Jan 2002

The Effect Of Antioxidant Vitamins On Muscle Damage During A 50-Mile Endurance Ride In Horses, Danielle Irene Marrone

UNLV Retrospective Theses & Dissertations

Plasma markers of muscle cell damage, creatine kinase and aspartate aminotransferase, were measured in the serum of 32 endurance exercised horses during a 50-mile endurance ride to determine if supplemental vitamin E singly or in combination with vitamin C could be effective in preventing exercise-induced muscle damage. Blood was collected by jugular venipuncture prior to and at 0, 23, 35, and 50 miles of a 50-mile endurance ride. Both creatine kinase and aspartate aminotransferase increased significantly pre-exercise to post-exercise in both vitamin E and vitamin E plus C groups. Vitamin E plus C was no more effective in preventing muscle …

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The Growth Of Regionalism In Sub-Saharan Africa, Deogratius Stephen Mshigeni Jan 2002

The Growth Of Regionalism In Sub-Saharan Africa, Deogratius Stephen Mshigeni

UNLV Retrospective Theses & Dissertations

In this thesis I will explain how Sub-Saharan Africa has struggled through globalization and interdependence. I will discuss the major theories, which have evolved in the integration literature since the 1960's after the independence of these former colonies. In addition, I will show how scholars in the field of international relations and cooperation have attempted to define and redefine "Integration" and resolved conceptual confusion facing students and scholars in this field. Furthermore, I will show why the applicability of "traditional" integration theories, which have worked well in such regions as Europe, and applied in Sub-Saharan Africa, failed to produce the …

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Gender Differences In Cognitive Interference With Sexual Arousal, Sarah Elizabeth Nunnink Jan 2002

Gender Differences In Cognitive Interference With Sexual Arousal, Sarah Elizabeth Nunnink

UNLV Retrospective Theses & Dissertations

It is well documented that cognitive interference detrimentally influences sexuality, but little is known about the content of that interference. This study compared the self-reports of 220 college men and 337 college women on two types of cognitive interference during sex, performance-oriented and appearance-oriented. Also assessed via use of the Derogatis Sexual Functioning Inventory and the Sexual History Form were: sexual satisfaction, psychological distress, sexual knowledge, sexual experiences, sexual attitudes, sexual fantasy, body image, affect, and sexual functioning, all areas thought to be related to sexual functioning. As predicted, findings indicated that women were more concerned with their own appearance …

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Optimized Power Converters For Electrically Augmented On-Orbit Propulsion Systems, Lee Michael Olyniec Jan 2002

Optimized Power Converters For Electrically Augmented On-Orbit Propulsion Systems, Lee Michael Olyniec

UNLV Retrospective Theses & Dissertations

Advances in satellite thruster technology have produced the requirement for high power electrical supplies to operate electrically augmented on-orbit propulsion systems. The power on board satellites is greatly limited by the solar panels that collect energy and the batteries that store the energy. In addition, satellites are constantly using power to operated their mission equipment and handle the communication requirements; This thesis investigates the power systems of modern satellites and the addition of an on-orbit electrically augmented propulsion system. The research process involves determining the system specifications, the power available and the thruster requirements. After determining the requirements, the implementation …

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Development Of Shop Floor Control System, Venkatraman Parameswaran Jan 2002

Development Of Shop Floor Control System, Venkatraman Parameswaran

UNLV Retrospective Theses & Dissertations

This thesis presents a scheduling algorithm for production planning, which involves the management of resources like equipment, tools, personnel, materials etc. The scheduling algorithm implements some of the principles of Just-In-Time manufacturing and hence has a combination of finite and infinite scheduling algorithms. It works with database such as MS Access, SQL server or Oracle etc. and has proven to reduce the total production time. In the case tested, the production time for an order of 750 Apron Hooks, the production time was reduced by 36 machine hours (4 days) from 224 hours to 188 hours. A test bed has …

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A Study Of The Overall Internal Dynamic Mode Of Poly(Ethylene Oxide) In Methanol With And Without Lithium Perchlorate, Gregory Charles Piet Jan 2002

A Study Of The Overall Internal Dynamic Mode Of Poly(Ethylene Oxide) In Methanol With And Without Lithium Perchlorate, Gregory Charles Piet

UNLV Retrospective Theses & Dissertations

It is shown that using PCS the detection and characterization of the overall internal relaxation mode of high molecular weight, narrow molecular weight distribution PEO in methanol with and without the presence of LiClO 4 is so difficult as to be impractical. Moreover, PCS analysis proved to be extremely sensitive to small differences in data quality which further decreased the reliability of measurements. Nevertheless, the results of the present study were sufficiently good to allow a meaningful comparison between experiment and theory and to reveal useful new information about the effect of LiClO4 on PEO coil internal behavior in methanol …

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Benchmarking Photoneutron Production Of Mcnpx Simulations With Experimental Results, Suresh Babu Sadineni Jan 2002

Benchmarking Photoneutron Production Of Mcnpx Simulations With Experimental Results, Suresh Babu Sadineni

UNLV Retrospective Theses & Dissertations

Accelerator driven subcritical systems (ADS) are one of the most viable methods for the transmutation and effective utilization of nuclear fuel. An important aspect of coupling the accelerator to a nuclear reactor is the generation of a high-energy neutron flux. The neutron flux can be generated by hitting a high-Z target composed of lead, tungsten, or other elements with a high-energy proton beam; To explore the control issues arising from coupling a proton accelerator to a subcritical reactor, an electron beam accelerator which produces a similar neutron flux can be used. The purpose of this study is to computationally predict …

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Contemporary Pseudo-Events: An Analysis Of The Advertising In "Wired" Magazine, Guy Joseph Schackman Jan 2002

Contemporary Pseudo-Events: An Analysis Of The Advertising In "Wired" Magazine, Guy Joseph Schackman

UNLV Retrospective Theses & Dissertations

The dot-corn and technology boom of the mid-to-late 1990s captured the imagination of the public in both the way they thought about and invested in the future. This study looks at the role the advertising of Wired magazine played in promoting the dot-com boom. Daniel Boorstin (1987) claims that pseudo-events, or events that are manufactured, set society's expectations to levels that cannot be attained. This study examines 75 advertisements taken from issues of Wired published in 1995 and uses criteria outlined by Boorstin to determine if these advertisements are pseudo-events. Traits of the design of Wired magazine framed by Stewart …

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Parents' Satisfaction With The Education Of Their Child With Autism, Dalhee Songlee Jan 2002

Parents' Satisfaction With The Education Of Their Child With Autism, Dalhee Songlee

UNLV Retrospective Theses & Dissertations

Students with autism often have behaviors that are unusual and can be disturbing to teachers and students who do not understand this disorder. To help these students grow and develop, it is critical to communicate with the parents and to involve parents. The education of a child with autism can be a source of considerable concern to parents regarding school placement decisions, the levels of classroom support provided, and the attitudes and behaviors of teachers. This study examined parent's satisfaction with the education of their child with autism. Thirty-two parents of children with autism completed a 64-item questionnaire designed to …

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Unveiling The Implicit Message: A Look At Racial, Hispanic/Latino, And Mexican Portrayals On "Sesame Street", Magdalena Maria Zepeda Jan 2002

Unveiling The Implicit Message: A Look At Racial, Hispanic/Latino, And Mexican Portrayals On "Sesame Street", Magdalena Maria Zepeda

UNLV Retrospective Theses & Dissertations

In this master's thesis I analyzed Sesame Street, a well-known and popular model for many children's educational television programs as well as a racially sensitive show, by way of a content analysis. I documented all races represented by the people and human-looking, animated characters and puppets. Furthermore, my study proposed to look at the portrayal of the Hispanic/Latino group and Mexican group; My findings revealed that the population on Sesame Street did not mirror the United States population distribution. Other results revealed the Hispanic/Latino group very rarely reflected their cultural customs, were mostly female and the majority was portrayed in …

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Tumult Blossoms: Poems, Elyse Rachelle Arring Jan 2002

Tumult Blossoms: Poems, Elyse Rachelle Arring

UNLV Retrospective Theses & Dissertations

Tumult Blossoms is a collection of original poetry that examines the formation of identity and the factors that determine it. Identity itself is treated as a fluid entity and explored in various guises, from that of the individual to that of a nation or species, with special emphasis placed on both migration and evolution. Within this exploration, close scrutiny is also granted to the relationship between human beings and their environment.

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An Economic Analysis Of Women's Schooling On Fertility And Contraceptive Use In Developing Countries: A Case Study Of Tanzania, Ayoub Shaban Ayoub Jan 2002

An Economic Analysis Of Women's Schooling On Fertility And Contraceptive Use In Developing Countries: A Case Study Of Tanzania, Ayoub Shaban Ayoub

UNLV Retrospective Theses & Dissertations

This study explores the economic relationships between women's schooling, fertility rates, and contraceptive use in Tanzania where population growth and fertility rates are among the highest in the world and aggravate the already ailing economy. Two models are used: fertility and contraceptive use. The study surveys women ages 15 to 49 drawing on 1996 data from the Demographic and Health Surveys (DHS). The study finds that women's schooling and other socioeconomic variables are important factors in explaining reproductive behavior. The fertility model indicates that education levels are consistently associated with lower fertility rates, while the contraceptive use model indicates that …

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The Development And Optimization Of A Hydrogen-Fueled Internal Combustion Engine, Troy M Braithwaite Jan 2002

The Development And Optimization Of A Hydrogen-Fueled Internal Combustion Engine, Troy M Braithwaite

UNLV Retrospective Theses & Dissertations

Conventional internal combustion engines modified to burn hydrogen fuel offer a good transition mode to a hydrogen economy for transportation applications. Details are given about the development of one such approach. This effort starts with a conventional 454 cubic inch Chevrolet V-8 engine that is then modified in various ways to accommodate the use of hydrogen; including specially formed intake and exhaust passages, modified cam, and fuel injection. Because the application is for constant speed application, tuned intake and exhaust is used.

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In The Hearts Of Palms, Jennifer Lynn Bania Jan 2002

In The Hearts Of Palms, Jennifer Lynn Bania

UNLV Retrospective Theses & Dissertations

In the Hearts of Palms is a novel, in which the alternating narratives of two characters' lives meet in the most consequential of circumstances. A young girl's coming of age journey collides with a man's grief and search for healing and reaches a tragic denouement within a week of the novel's opening. The setting of the novel is Boulder City, Nevada, where the vast desert landscape limns the isolated landscape of the characters' internal condition; A major subject of the novel is the characters' negotiations with their developing roles as man and woman in the face of traditional expectations. The …

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