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Assessing Descriptive Substance in Free-Text Collection-Level Metadata
This paper discusses assessing descriptive substance in free-text collection-level metadata. This paper reports on a content analysis of collection records in an aggregation of cultural heritage collections.
Date:
September 2008
Creator:
Zavalina, Oksana; Palmer, Carole L.; Jackson, Amy S. & Han, Myung-Ja
Object Type:
Paper
System:
The UNT Digital Library
Assessment of Failure Mechanisms for GFR Vented Fuel Pins Using Hexoloy Cladding
A near-term vented fuel pin concept as a back-up option for the gas-cooled fast reactor (GFR) system was evaluated. This work explored the feasibility of using mixed carbide fuel (U0.85P0.15)C with off-the-shelf monolithic SiC clad in order to meet requirements for GFR fuel with an average burnup of 10%. The stress loading on the SiC cladding due to fuel swelling and thermal stress due to temperature gradient were estimated based on the data from the development of carbide fuels in the 1970’s-1980’s and the materials properties for SiC tubes. The fuel swelling at the goal burnup (10%) is expected to produce a hoop stress of approximately 32 MPa in cladding, approaching the estimated maximum allowable hoop stress (~33 MPa) for a SiC cladding reliability of 99.99%. The estimated tensile thermal stress component (~121 MPa) near the outer surface of a monolithic SiC cladding is likely to limit its application at high temperatures.
Date:
September 1, 2008
Creator:
Gan, Jian
Object Type:
Article
System:
The UNT Digital Library
ASSESSMENT OF VARIOUS TYPES OF UNCERTAINTY IN THE TECHA RIVER DOSIMETRY SYSTEM
Recent developments in evaluation of dose-response models in light of uncertain dose data (Stram and Kopecky 2003; Schafer and Gilbert 2006) have highlighted the importance of different types of uncertainties in the development of individual dose estimates. These include uncertain parameters that may be either shared or unshared within the dosimetric cohort, and also the nature of the type of uncertainty as either classical or Berkson. This report is an initial attempt to identify the nature of the various input parameters and calculational methods incorporated in the Techa River Dosimetry System (based on the TRDS-2000 implementation as a starting point, with additions for recently-developed capabilities). This report reviews the database, equations, and input parameters, and then identifies the author's interpretations of their general nature. It closes with some questions for the users of the data (epidemiologists and biostatisticians), so that the next implantation of the TRDS will provide the most useful information.
Date:
September 1, 2008
Creator:
Napier, Bruce A.; Degteva, M. O. & Anspaugh, L. R.
Object Type:
Report
System:
The UNT Digital Library
An Audit Report on Energy Savings Performance Contracts at Selected Agencies and Institutions of Higher Education
Report of the Texas State Auditor's Office related to energy savings performance contracts at selected Texas state agencies and institutions of higher education, and to reviewing methods of reducing energy consumption, monitoring the amount of dollars saved, and determining the accuracy and completeness of information submitted by participating agencies.
Date:
September 2008
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on Student Fees at Selected Higher Education Institutions
Report of the Texas State Auditor's Office related to determining whether selected higher education institutions' budgeting for and distribution and expenditure of selected student fees are in compliance with applicable laws, policies, and procedures to ensure that fees are assessed on a cost-recovery basis, and whether selected higher education institutions that have any fee accounts with unexpended balances at year-end have prepared justifications for maintaining the balances in accordance with the cost-recovery nature of fees.
Date:
September 2008
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on the Department of Criminal Justice's Complaint Resolution and Investigation Functions
Report of the Texas State Auditor's Office related to determining whether the Department of Criminal Justice (Department) is complying with policies and procedures and best practices governing the screening, investigation, and resolution of allegations of criminal behavior, serious policy violations, and serious offender and employee grievances.
Date:
September 2008
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
An Audit Report on the Office of Consumer Credit Commissioner
Report of the Texas State Auditor's Office related to determining whether the Office of Consumer Credit Commissioner's (Office) examination process provides reasonable assurance that licensed and registered lenders comply with state and federal statutes and rules when providing loans and services to Texans; determining whether the Office addresses complaints in accordance with its policy and best practices, including reclassifying complaints as investigations when appropriate; and monitoring the Office's progress in regulating motor vehicle sales finance dealers.
Date:
September 2008
Creator:
Texas. Office of the State Auditor.
Object Type:
Report
System:
The Portal to Texas History
B physics at CDF
We present the latest measurements on production, spectroscopy, lifetimes and branching fractions for b-mesons, b-baryons and quarkonia. We also discuss recent results on B{sub s}{sup 0} mixing as well as on CP violation for the B{sub s}{sup 0} meson and for b-baryons. These results were obtained by analyzing data collected by the CDF II detector at Fermilab.
Date:
September 1, 2008
Creator:
Papadimitriou, Vaia
Object Type:
Article
System:
The UNT Digital Library
Backyard Birds in Texas
Booklet providing sketches and brief summaries about common birds that may be seen in Texas backyards. It also has general information about record keeping, identification, conservation issues, and additional resources for birdwatching.
Date:
September 2008
Creator:
Klym, Mark
Object Type:
Pamphlet
System:
The Portal to Texas History
The Bali Action Plan: Key Issues in The Climate Negotiations: Summary for Policy Makers
To assist policy makers in understanding the complex issues under discussion in the negotiating process, UNDP commissioned a series of background briefing papers on the key issues under the four main "building blocks" of the current international negotiations -- mitigation, adaptation, technology and finance -- as well as land use, land-use change and forestry (LULUCF). This document contains summaries for policy makers of these briefing papers.
Date:
September 2008
Creator:
Carpenter, Chad
Object Type:
Text
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 88, No. 245, Ed. 1 Monday, September 1, 2008
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 1, 2008
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
Beam Dynamics in a Muon Ionisation Cooling Channel
The Neutrino Factory has been proposed as a facility to provide an intense source of neutrinos suitable for the measurement of neutrino oscillation parameters and a possible CP violating phase to unprecedented precision. In the Neutrino Factory, neutrinos are produced by the decay of a muon beam with 20-50 GeV per muon. Initially, the muon beam occupies a large volume in phase space, which must be reduced before the beam can be accelerated. The proposed method to achieve this is to use a solenoidal ionisation colling channel.
Date:
September 1, 2008
Creator:
Rogers, Chris
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Black Tie Dinner Board member at 2008 Pride Parade]
Photograph of a member of the Black Tie Dinner Board of Directors/Advisory Board at the Dallas Pride Parade in 2008. The woman can be seen on the left side of the photograph, looking to the right of the camera. Two men are standing across from her with their backs turned to the camera. One of the men (left) is holding a blank form related to the Black Tie Dinner.
Date:
September 2008
Creator:
Whitsett, Emily
Object Type:
Photograph
System:
The UNT Digital Library
[Black Tie Dinner Board of Directors at 2008 Pride Parade]
Photograph of ten members of the the Black Tie Dinner Board of Directors and Advisory Board at the Dallas Pride Parade in 2008. Members of the group can be seen walking behind a Black Tie Dinner banner, waving at the camera and smiling. Keva Ward (left), Randy Ray (2nd from left), Carolyn Roney (3rd from left), Toni Miller (4th from left), Dan Godfrey (2nd from right), and Scot Presley (right) can be identified among the group.
Date:
September 2008
Creator:
Whitsett, Emily
Object Type:
Photograph
System:
The UNT Digital Library
Border Business Indicators, Volume 32, Number 9, September 2008
Monthly publication documenting statistics related to economic information in the Mexico-Texas border areas including types of border crossings, employment, customs revenues, and other related data.
Date:
September 2008
Creator:
Texas Center for Border Economic and Enterprise Development
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[A boy and woman's outfit from the 19th century]
Photograph of two mannequins featuring a boy's four-piece velvet Lord Fauntleroy suit; and 1890s dress of white silk with black embellishments, shown in a dark grey gallery space.
Date:
August 1, 2023
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Brian Cates, Emily Whitsett, and Scot Presley at 2008 Pride Parade]
Photograph of (l-r) Brian Cates, Emily Whitsett, and Scot Presley at the Dallas Pride Parade in 2008. Individuals can be seen outdoors, standing side by side with their arms around each other's shoulders. They are facing the camera and smiling. Each individual is wearing a t-shirt that reads, "STORIES UNTOLD: LET YOUR LIFE SPEAK [--] THE 2008 BLACK TIE DINNER."
Date:
September 2008
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
Capturing the uncertainty in adversary attack simulations.
This work provides a comprehensive uncertainty technique to evaluate uncertainty, resulting in a more realistic evaluation of PI, thereby requiring fewer resources to address scenarios and allowing resources to be used across more scenarios. For a given set of dversary resources, two types of uncertainty are associated with PI for a scenario: (1) aleatory (random) uncertainty for detection probabilities and time delays and (2) epistemic (state of knowledge) uncertainty for the adversary resources applied during an attack. Adversary esources consist of attributes (such as equipment and training) and knowledge about the security system; to date, most evaluations have assumed an adversary with very high resources, adding to the conservatism in the evaluation of PI. The aleatory uncertainty in PI is ddressed by assigning probability distributions to detection probabilities and time delays. A numerical sampling technique is used to evaluate PI, addressing the repeated variable dependence in the equation for PI.
Date:
September 1, 2008
Creator:
Darby, John L.; Brooks, Traci N. & Berry, Robert Bruce
Object Type:
Report
System:
The UNT Digital Library
Carbon/Efficiency Labelling & Bio-Blending for Optimising Benefits of Biodiesel & Additive Use
The Carbon Labelling project implemented several labelling measures in Europe focused on transportation products and services with low CO2 emissions. The project promoted biodiesel, low-viscosity lubricants and ‘low carbon’ freight services. This first European carbon labelling initiative supported the discussion about measures for the greenhouse gas reduction (GHG) targets of the European Union and the role of biofuels to mitigate GHG emissions. Carbon life cycle numbers were calculated with GHG models from leading European research institutes. The identified carbon reduction numbers were used for pilot labelling initiatives via the label “CO2Star” developed by a professional advertising agency. The label and consumer information websites provided information to consumers about environmental and economic benefits of the labelled biofuels, lubricants and freight services. For instance, the German fuel distributor Q1 implemented a carbon labelling pilot programme for biodiesel (B 100) and lubricants at its fuel stations, while Dutch horticulture freight companies implemented the carbon label to promote "low carbon" freight services.
Date:
September 2008
Creator:
Janssen, Rainer & Rutz, Dominik
Object Type:
Text
System:
The UNT Digital Library
Cathode Ion Bombardment in RF Photoguns
In this paper, we use the method of rapid oscillating field to solve the equation of ion motion in an RF gun. We apply the method to the BNL 1/2-cell SRF photogun and demonstrate that a significant portion of ions produced in the gun can reach the cathode if no special precautions are taken. Also, the paper proposes a simple mitigation recipe that can reduce the rate of ion bombardment.
Date:
September 1, 2008
Creator:
Pozdeyev, E.; Kayran, D. & Litvinenko, V.
Object Type:
Report
System:
The UNT Digital Library
Cathode Ion Bombardment in RF Photoguns
N/A
Date:
September 1, 2008
Creator:
E., Pozdeyev; Kayran, D. & Litvinenko, V.
Object Type:
Report
System:
The UNT Digital Library
[Cece Cox and John Guillard hold signs at 2008 Pride Parade]
Photograph of Cece Cox (left) and John Guillard (right) holding signs at the Dallas Pride Parade in 2008. They are standing side by side at an intersection, facing the camera. Their signs read: "FOR EVERY STORY THAT IS TOLD"; "A VOICE REMAINS SILENT."
Date:
September 2008
Creator:
Whitsett, Emily
Object Type:
Photograph
System:
The UNT Digital Library
A CFD M&S PROCESS FOR FAST REACTOR FUEL ASSEMBLIES
A CFD modeling and simulation process for large-scale problems using an arbitrary fast reactor fuel assembly design was evaluated. Three dimensional flow distributions of sodium for several fast reactor fuel assembly pin spacing configurations were simulated on high performance computers using commercial CFD software. This research focused on 19-pin fuel assembly “benchmark” geometry, similar in design to the Advanced Burner Test Reactor, where each pin is separated by helical wire-wrap spacers. Several two-equation turbulence models including the k-e and SST (Menter) k-? were evaluated. Considerable effort was taken to resolve the momentum boundary layer, so as to eliminate the need for wall functions and reduce computational uncertainty. High performance computers were required to generate the hybrid meshes needed to predict secondary flows created by the wire-wrap spacers; computational meshes ranging from 65 to 85 million elements were common. A general validation methodology was followed, including mesh refinement and comparison of numerical results with empirical correlations. Predictions for velocity, temperature, and pressure distribution are shown. The uncertainty of numerical models, importance of high fidelity experimental data, and the challenges associated with simulating and validating large production-type problems are presented.
Date:
September 1, 2008
Creator:
Hamman, Kurt D. & Berry, Ray A.
Object Type:
Article
System:
The UNT Digital Library
Charmonium correlators and spectral functions at finite temperature
We present an operational approach to address the in-medium behavior of charmonium and analyze the reliability of maximum entropy method (MEM). We study the dependences of the ratio of correlators to the reconstructed one and the free one on the resonance's width and the continuum's threshold. Furthermore, we discuss the issue of the default model dependence of the spectral function obtained from MEM.
Date:
September 1, 2008
Creator:
Ding,H.T.; Kaczmarek, O.; Karsch, F. & Satz, H.
Object Type:
Article
System:
The UNT Digital Library