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2,151 Matching Results
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Tangible Struggle
The focus of my graduate work was to find my own voice through my continued efforts in woodcarving. I proposed to produce six to eight wood carved sculptures for my thesis that would be dealing with a juxtaposition of struggle expressively portrayed by the figure between two-dimensional and three-dimensional worlds. I used these works to express my emotions about myself, and my interactions with others in a form of nonverbal communication with the viewer. The result of this process did lead me to find my own voice and with this voice I expressed three-dimensionally, not only my own struggles, but also those that many other women have experienced as well.
Date:
May 2003
Creator:
Whelan, Shawn
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Construct Validity of Psychopathy in Mentally Disordered Offenders: A Multi-trait Multi-method Approach
Psychopathy continues to receive increased attention due to the negative outcomes, including recidivism, violence, and poor treatment amenability. Despite the vast amount of attention psychopathy has received, research on its applications to mentally disordered offenders remains sparse. The current study explored the relationship between psychopathy, depression, anxiety, and psychotic disorders. It also investigated the comparative fits of two and three-factor models of the PCL-R with mentally disordered offenders. Participants consisted of 96 inmates placed in the mental health pod at Tarrant County Jail. A Confirmatory Factor Analysis (CFA) with testlets found the three-factor PCL-R model had excellent fit (Robust Comparative Fit Index = 1.00). Psychopathy was found to be a construct independent of mental disorders. Two exceptions were (a) a modest correlation between anxiety and Impulsive and the Irresponsible Lifestyle factor of the PCL-R (r = 0.20) and (b) a modest negative correlation between Deficient Affective Experience of the PCL-R and mania (r = -.37). Based on the current data, treatment programs for mentally disordered offenders are suggested that focus on both behavioral and personality aspects of psychopathy.
Date:
May 2003
Creator:
Vitacco, Michael J.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
User Modeling Tools for Virtual Architecture
As the use of virtual environments (VEs) is becoming more widespread, user needs are becoming a more significant part in those environments. In order to adapt to the needs of the user, a system should be able to infer user interests and goals. I developed an architecture for user modeling to understand users' interests in a VE by monitoring their actions. In this paper, I discussed the architecture and the virtual environment that was created to test it. This architecture employs sensors to keep track of all the users' actions, data structures that can store a record of significant events that have occurred in the environment, and a rule base. The rule base continually monitors the data collected from the sensors, world state, and event history in order to update the user goal inferences. These inferences can then be used to modify the flow of events within a VE.
Date:
May 2003
Creator:
Uppuluri, Raja
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Feasibility of Multicasting in RMI
Due to the growing need of the Internet and networking technologies, simple, powerful, easily maintained distributed applications needed to be developed. These kinds of applications can benefit greatly from distributed computing concepts. Despite its powerful mechanisms, Jini has yet to be accepted in mainstream Java development. Until that happens, we need to find better Remote Method Invocation (RMI) solutions. Feasibility of implementation of Multicasting in RMI is worked in this paper. Multicasting capability can be used in RMI using Jini-like technique. Support of Multicast over Unicast reference layer is also studied. A piece of code explaining how it can be done, is added.
Date:
May 2003
Creator:
Ujjinihavildar, Vinay
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Descriptive Study of the Intelligence Community in the United States of America
This treatise represents a descriptive study of the intelligence community in the United States. It explores the ramifications of terrorism on the intelligence function, post September 11, 2001. In-depth discussions concerning the structure of the U.S. intelligence community are presented as well as a focus on the defined steps of the intelligence process: planning and directions, collection, analysis, production, and dissemination. The final aspect of this study poses questions and issues relating to the restructuring of the U.S. intelligence community in light of the Homeland Security Act of 2002.
Date:
May 2003
Creator:
Ucak, Hursit
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Nightingale in Poetry and Music
Access:
Use of this item is restricted to the UNT Community
This thesis surveys a variety of songs and arias for high soprano which feature the nightingale; examines the musical elements that symbolize, refer to, or imitate the nightingale; and compares these musical elements with transcriptions of the nightingale's song. The first chapter reviews the symbolic development of the nightingale and its role in poetry and literature. The interior chapters address a selection of musical compositions that feature the nightingale and its song. The final chapter establishes a relationship between the sound of the actual sound of the nightingale and the musical gestures created by composers to imitate the nightingale.
Date:
May 2003
Creator:
Blizzard, Amy
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Effects of Response Restriction on Non-Socially Maintained Self-Injury
Access:
Use of this item is restricted to the UNT Community
This study examined the effects of response restriction (blocking and protective equipment) on subsequent durations of self-injury with two female participants with developmental disabilities. First, a functional analysis was conducted with each participant to identify potential maintaining variables of the self-injury. Second, access to the response was systematically restricted in a multiple schedule restriction paradigm. A baseline extended alone was conducted without the restriction component in place as a control condition. For one participant the results suggested that response restriction may have increased subsequent durations of responding once the restriction element was removed. For a second participant responding did not appear to be affected by the restriction component.
Date:
May 2003
Creator:
Blevins, Travis
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Just $10 A Month: A Television Advertising Campaign
This written thesis accompanies three television public service announcement spots. Two of the spots are 60 seconds and one of the spots is 45 seconds in length. I produced this public service television advertising campaign to highlight the issue of child illiteracy in Pakistan and to encourage expatriate and resident Pakistani's to donate to educational charities. A Website created by the filmmaker is promoted in the campaign. This Website provides information about various charities that educate children in Pakistan. Detailed accounts of pre-production, production and post-production of the campaign allow the viewer to comprehend the challenges in producing television campaigns for social causes. Theoretical issues are also discussed, including the causes of illiteracy, the importance and role of social campaigns, the history and uses of propaganda as well as the aesthetic concerns of a public service campaign producer. I discuss the importance of creating the culture of public service campaigns in a third world country like Pakistan, and states that the Pakistani community needs to look inwards to overcome the challenge of illiteracy.
Date:
May 2003
Creator:
Mumtaz, Danish Kasim
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Investigation of Pyrimidine Salvage Pathways to Categorize Indigenous Soil Bacteria of Agricultural and Medical Importance and Analysis of the Pyrimidine Biosynthetic Pathway's Enzyme Properties for Correlating Cell Morphology to Function in All Phases of Growth
This dissertation comprises three parts and is presented in two chapters. Chapter 1 concerns Arthrobacter, a bacterium with an intriguing growth cycle. Whereas most bacteria exist as either a rod or coccus, this bacterium shares the rod/coccus lifestyle. It therefore seemed important to examine the growth regulatory pathways from the rod and coccus. The committed step, that catalyzed by aspartate transcarbamoylase (ATCase), in the pyrimidine biosynthetic pathway was chosen. The ATCase in Arthrobacter is like the well known Pseudomonas enzyme except that it has an active dihydroorotase (DHOase) associated. Included in Chapter 1 is the description of a microorganism, Burkholderia cepacia, whose ATCase has characteristics that are at once reminiscent of bacteria, mammals, and fungi. It differs in size or aggregation based on environmental conditions. In addition, it has an active DHOase associated with the ATCase, like Arthrobacter. B. cepacia is important both medically and for bioremediation. Since B. cepacia is resistant to most antibiotics, its unique ATCase is a prime target for inhibition. Whereas the first chapter deals with the de novo pathway to making pyrimidines, which is found mainly in the lag and log phase, Chapter 2 addresses the salvage pathway, which comes more into play during the …
Date:
May 2003
Creator:
Meixner, Jeffery Andrew
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Whole as a Result of Its Parts: Assembly in Aaron Copland's Score for The Red Pony
Aaron Copland's music for The Red Pony (1948-49), based on John Steinbeck's story collection, is probably the best known of his film scores. The effectiveness of The Red Pony score stems from Copland's belief that film music should be subordinate to the film it accompanies. Copland composed The Red Pony score using his self-described method of "assembly," augmenting this process with devices to synchronize the music with the picture. Examination of archival sources shows how the score reflects the acknowledged influence of Igor Stravinsky, the needs of the film medium, and the plot of The Red Pony specifically. Despite Copland's modern style characteristics, the music functions much like a conventional Hollywood film score.
Date:
May 2003
Creator:
McGinney, William Lawrence
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Development of a Whole-Wafer, Macroscale Inspection Software Method for Semiconductor Wafer Analysis
This report describes the non CRADA-protected results of the project performed between Nova Measuring Systems, Ltd., and the Oak Ridge National Laboratory to test and prototype defect signature analysis method for potential incorporation into an in-situ wafer inspection microscope. ORNL's role in this activity was to collaborate with Nova on the analysis and software side of the effort, wile Nova's role was to build the physical microscope and provide data to ORNL for test and evaluation. The objective of this project was to adapt and integrate ORNL's SSA and ADC methods and technologies in the Nova imaging environment. ORNL accomplished this objective by modifying the existing SSA technology for use as a wide-area signature analyzer/classifier on the Nova macro inspection tool (whole-wafer analysis). During this effort ORNL also developed a strategy and methodology for integrating and presenting the results of SSA/ADC analysis to the tool operator and/or data management system (DMS) used by the semiconductor manufacturer (i.e., the end-user).
Date:
May 22, 2003
Creator:
Tobin, K.W.
Object Type:
Report
System:
The UNT Digital Library
Buildup of electron cloud with different bunch pattern in thepresence of solenoid field
We have augmented the code POSINST to include solenoidfields, and used it to simulate the build up of electron cloud due toelectron multipacting in the PEP-II positron ring. We find that thedistribution of electrons is strongly affected by the resonancesassociated with the cyclotron period and bunch spacing. In addition, wediscover a threshold beyond which the electron density growsexponentially until it reaches the space charge limit. The threshold doesnot depend on the bunch spacing but does depend on the positron bunchpopulation.
Date:
May 1, 2003
Creator:
Cai, Yunhai; Pivi, Mauro & Furman, Miguel
Object Type:
Article
System:
The UNT Digital Library
Microwave Treatment as a Pesticide Alternative for Stored-Products
None
Date:
May 21, 2003
Creator:
Bigelow, T.; Forrester, S.; Halverson, S.; Halverson, B. & Phillips, T.
Object Type:
Report
System:
The UNT Digital Library
Real-Time Risk and Fault Management in the Mission Evaluation Room of the International Space Station
Effective anomaly resolution in the Mission Evaluation Room (MER) of the International Space Station (ISS) requires consideration of risk in the process of identifying faults and developing corrective actions. Risk models such as fault trees from the ISS Probablistic Risk Assessment (PRA) can be used to support anomaly resolution, but the functionality required goes significantly beyond what the PRA could provide. Methods and tools are needed that can systematically guide the identification of root causes for on-orbit anomalies, and to develop effective corrective actions that address the event and its consequences without undue risk to the crew or the mission. In addition, an overall information management framework is needed so that risk can be systematically incorporated in the process, and effectively communicated across all the disciplines and levels of management within the space station program. The commercial nuclear power industry developed such a decision making framework, known as the critical safety function approach, to guide emergency response following the accident at Three Mile Island in 1979. This report identifies new methods, tools, and decision processes that can be used to enhance anomaly resolution in the ISS Mission Evaluation Room. Current anomaly resolution processes were reviewed to identify requirements for effective …
Date:
May 1, 2003
Creator:
Nelson, William R. & Novack, Steven D.
Object Type:
Report
System:
The UNT Digital Library
New neutron cross section and fission yield data for SNManalysis
Neutron cross-section data are fundamental for the design ofnuclear interrogation systems, the maintenance of nuclear materials andwaste, and the understanding the consequences of nuclear catastrophe.Although a large body of nuclear data exists, it is often old,unreliable, or poorly determined. For several years we have collaborated,as part of an IAEA Coordinated Research Project, to precisely measure thepartial thermal neutron gamma ray cross sections for all elements fromhydrogen to uranium at the Budapest Reactor. These data will replace theunreliable tables of Lone et al [1], still widely in use, and will bepublished as an IAEA TECDOC.
Date:
May 28, 2003
Creator:
Firestone, R. B.; Molnar, G. L.; Revay, Zs. & Belgya, T.
Object Type:
Report
System:
The UNT Digital Library
Semileptonic Decays and Sides of the Unitarity Triangle
The elements of the CKM matrix enter the expressions for the decay rates and mixing amplitudes of hadrons. In some cases, the theoretical expressions are free of strong interaction effects, for example the CP asymmetry in B {yields} J/{psi} K{sub S}{sup 0}, so that measuring the CP asymmetry directly gives the value of sin 2{beta}, with the error in the result given by the experimental error in the measurement. In most cases, however, the experimentally measured quantities depend on strong interactions physics, and it is absolutely essential to have accurate model-free theoretical calculations to compare with experiment. A number of theoretical tools have been developed over the years which now allow us to compute B decays with great accuracy, sometimes at the level of a few percent or better. These calculations are done using effective theory methods applied to QCD, and do not rely on model assumptions. Inclusive decays can be treated using the operator product expansion (OPE). The total decay rate is given by twice the imaginary part of the forward scattering amplitude, using the optical theorem. In heavy hadron decays, the intermediate states in the forward scattering amplitude can be integrated out, so that the decay rate can …
Date:
May 1, 2003
Creator:
Ligeti, Zoltan; Bauer, C.; Bernard, C.; Bigi, I.; Datta, M.; del Re, D. et al.
Object Type:
Article
System:
The UNT Digital Library
Habitat Evaluation Procedures (HEP) Report, Pend Oreille Wetlands Wildlife I Project, Technical Report 2002.
In 2002, the Habitat Evaluation Procedure (HEP) was used to determine baseline habitat suitability on the Pend Oreille Wetlands Wildlife Project, an acquisition completed by the Kalispel Tribe of Indians in 1992. Evaluation species and appropriate models include bald eagle, black-capped chickadee, Canada goose, mallard, muskrat, and yellow warbler. Habitat Suitability Index (HSI) values were visually estimated and agreed upon by all HEP team members. The Pend Oreille Wetlands Wildlife Project provides a total of 936.76 Habitat Units (HUs) for the species evaluated. Open water habitat provides 71.92 HUs for Canada goose, mallard, and muskrat. Shoreline and island habitat provide 12.77 HUs fore Canada goose and mallard. Cattail hemi-marsh provides 308.42 HUs for Canada goose, mallard, and muskrat. Wet meadow provides 208.95 HUs for Canada goose and mallard. Scrub-shrub wetlands provide 14.43 HUs for yellow warbler, mallard, and white-tailed deer. Deciduous forested wetlands provide 148.62 HUs for bald eagle, black-capped chickadee, mallard, and white-tailed deer. Grassland meadow provides 3.38 HUs for Canada goose. Conifer forest provides 160.44 HUs for bald eagle, black-capped chickadee, and white-tailed deer. The objective of using HEP at the Pend Oreille Wetlands Wildlife Project and other protected properties is to document the quality and quantity of …
Date:
May 1, 2003
Creator:
Holmes, Darren
Object Type:
Report
System:
The UNT Digital Library
A second beam-diagnostic beamline for the advanced lightsource
A second beamline, BL 7.2, completely dedicated to beam diagnostics is being installed at the Advanced Light Source (ALS). The design has been optimized for the measurement of the momentum spread and emittance of the stored beam in combination with the existing diagnostic beamline, BL 3.1. A detailed analysis of the experimental error has allowed the definition of the system parameters. The obtained requirements found a good matching with a simple and reliable system based on the detection of X-ray synchrotron radiation (SR) through a pinhole system. The actual beamline, which also includes a port for visible and infrared SR as well as an X-ray beam position monitor (BPM), is mainly based on the design of two similar diagnostic beamlines at BESSY II. This approach allowed a significant saving in time, cost and engineering effort. The design criteria, including a summary of the experimental error analysis, as well as a brief description of the beamline are presented.
Date:
May 1, 2003
Creator:
Sannibale, Fernando; Baum, Dennis; Kelez, Nicholas; Scarvie, Tom & Holldack, Karsten
Object Type:
Article
System:
The UNT Digital Library
Linking reaction, transport, and hydrological parameters inunsaturated fractured rock: toughreact implementation andapplication
Modeling coupled water-gas-rock interactions in unsaturated fractured rock requires conceptual and numerical model considerations beyond those developed for saturated porous media. This paper focuses on the integration of the geological and hydrological parameters into the calculation of reactive-transport parameters and the feedback of mineral precipitation/dissolution to flow and transport. These basic relations have been implemented in the reactive transport code TOUGHREACT (Xu et al., 2003) that couples equilibrium and kinetic water-gas-rock inter-actions with multiphase flow and aqueous and gaseous species transport. Simulation results are presented illustrating the effects of water-rock interaction accompanying the heating of unsaturated heterogeneous fractured tuff. Unknowns associated with modeling water-rock interaction in fractured unsaturated systems are the area of the fracture surface that is wetted and which fractures are active components of the overall flow system. The wetted fracture area is important not only to water-rock interaction but to flow and transport between fluids flowing in fractures and the adjacent matrix. The other unknown relations are those describing permeability and capillary pressure modification during mineral precipitation and dissolution. Here we discuss solely the relations developed for fractures and the fracture-matrix interface.
Date:
May 15, 2003
Creator:
Sonnenthal, Eric; Spycher, Nicolas & Xu, Tianfu
Object Type:
Article
System:
The UNT Digital Library
Microwave Treatment as a Pesticide Alternative for Stored-Products
This CRADA was a continuation of earlier work with Micro-Grain, Inc. to develop power, high frequency microwave treatment process to treat insect infested grain. ORNLs role was as a subcontractor to Micro-Grain's Phase II SBIR project funded by the US Department of Agriculture. The primary objective was to develop a commercial scale prototype unit capable of treating infested grain at flow rates approaching 1 kg/sec, which is required to be viable in the grain handling industry. A flow rate of {approx} 0.12 Kg/second was demonstrated at 20 kW microwave power level with 100% kill rate. The system is capable of 200 kW however waveguide arcing due to grain dust in the waveguide limited the power to 20 kW during the tests. Development tasks performed during the project included modification of an existing high-power microwave exposure facility to uniformly process large grain samples at high flow rates and improved instrumentation to detect grain flow and uniformity. Microwave processing tasks include a series of controlled exposure tests using infested grain samples provided and analyzed by the University of Oklahoma. Grain samples were infested with red flour beetles which proved the most difficult to kill in earlier tests. Most of the samples processed …
Date:
May 21, 2003
Creator:
Bigelow, T.S.; Forrester, S.C.; Halverson, S.; Halverson, B. & Phillips, T.
Object Type:
Report
System:
The UNT Digital Library
On-Line Measurement of Beryllium, Chromium, and Mercury by Using Aerosol Beam Focused Laser-Induced Plasma Spectrometer and TIme-Integrated Filter Sampling and Reference Method
A novel real-time monitor for aerosol particles has been developed by the Oak Ridge National Laboratory (ORNL). The instrument is designed to perform in-situ measurement for the elemental composition of aerosol particles in flue gas. They had tested this monitor at the Eastman Chemical Company in July 2001 taking advantage of the emissions from a waste incinerator operated by the company as the background. To investigate the behavior and response of the monitor under simulated/known conditions, stock solutions of prepared metal concentration(s) were nebulized to provide spikes for the instrument testing. Strengths of the solutions were designed such that a reference method (RM) was able to collect sufficient material on filter samples that were analyzed in a laboratory to produce 30-minute average data points. Parallel aerosol measurements were performed by using the ORNL instrument. Recorded signal of an individual element was processed and the concentration calculated from a calibration curve established prior to the campaign. RM data were able to reflect the loads simulated in the spiked waste stream. However, it missed one beryllium sample. The possibility of bias exists in the RM determination of chromium that could lead to erroneous comparison between the RM and the real-time monitoring data. …
Date:
May 20, 2003
Creator:
Cheng, M.-D. & Vannice, R.W.
Object Type:
Report
System:
The UNT Digital Library
An Audit Report on the Capital Access, Defense Economic Adjustment Assistance Grant, and Tourism Programs at the Department of Economic Development
Report of the Texas State Auditor's Office related to reviewing contract and grant management and financial transactions of the Capital Access, Defense Dependent Communities, and Tourism programs at the Department of Economic Development in order to determine whether grantees and contractors are held accountable for performance, how program results are calculated and whether they are based on accurate and reliable data, and whether funds are spent in accordance with contract terms and applicable laws and regulations.
Date:
May 2003
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
[Blue Triangle Branch, Y. W. C. A. Building Photograph #1]
Photograph of the Blue Triangle Branch, Y. W. C. A. Building in Houston, Texas.
Date:
May 18, 2003
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
[Clipping: UTD Leaders Had Secret Pension Fund]
"Section B" of the May 2003 issue of Metro Miami. Article about UTD leadership taking from secret reserve funds, child abuse, WASPs acquiring their veteran status, and more are included.
Date:
May 25, 2003
Creator:
unknown
Object Type:
Clipping
System:
The Portal to Texas History