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Office of Scientific & Technical Information Technical Reports
3,014
Congressional Research Service Reports
2,076
Government Accountability Office Reports
450
Texas State Publications
424
Texas State Auditor's Office: Reports
51
End of Term Publications
30
University Records
25
Technical Report Archive and Image Library
10
UNT Scholarly Works
8
Texas Society Sons of the American Revolution (TXSSAR)
6
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Fiscal Year 2011
138
112th Congress
91
Technical report (Texas Transportation Institute)
45
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42
Texas Sunset Advisory Commission Reports
20
Final report (Texas. Sunset Advisory Commission)
19
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18
Research report (University of Texas at Austin. Center for Transportation Research)
18
University of Texas System Reports
17
University of North Texas Investment Reports
14
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Results:
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2010 Computation Directorate Annual Report
None
Date:
January 2011
Creator:
Crawford, D. L.
System:
The UNT Digital Library
[2011 Lone Star Ride Fighting AIDS Pit-Stop List Dallas and Fort Worth]
A paperclipped spreadsheet printout titled "2011 Lone Star Ride Fighting AIDS Pit-Stop List, Dallas: Day Two - Sun, Sept 25, 2011. 7 am - 4 pm". The spreadsheet lists pit stop #'s, addresses, contact phone numbers, and notes. The pit stops are all located in Irving and the greater Dallas county area. The list for day one in Fort Worth follows on the second page.
Date:
2011
Creator:
unknown
System:
The UNT Digital Library
2011 National Emissions Inventory, version 2 Technical Support Document
A report which provides a national compilation of emissions sources collected from state, local, and tribal air agencies as well as emissions information from the Environmental Protection Agency (EPA) emissions program including the Toxics Release Inventory (TRI), emissions trading programs such as the Acid Rain Program, and data collected as part of EPA regulatory development for reducing emissions of air toxics.
Date:
2011
Creator:
United States. Environmental Protection Agency. Office of Air Quality Planning and Standards.
System:
The UNT Digital Library
Accident source terms for light-water nuclear power plants using high-burnup or MOX fuel.
Representative accident source terms patterned after the NUREG-1465 Source Term have been developed for high burnup fuel in BWRs and PWRs and for MOX fuel in a PWR with an ice-condenser containment. These source terms have been derived using nonparametric order statistics to develop distributions for the timing of radionuclide release during four accident phases and for release fractions of nine chemical classes of radionuclides as calculated with the MELCOR 1.8.5 accident analysis computer code. The accident phases are those defined in the NUREG-1465 Source Term - gap release, in-vessel release, ex-vessel release, and late in-vessel release. Important differences among the accident source terms derived here and the NUREG-1465 Source Term are not attributable to either fuel burnup or use of MOX fuel. Rather, differences among the source terms are due predominantly to improved understanding of the physics of core meltdown accidents. Heat losses from the degrading reactor core prolong the process of in-vessel release of radionuclides. Improved understanding of the chemistries of tellurium and cesium under reactor accidents changes the predicted behavior characteristics of these radioactive elements relative to what was assumed in the derivation of the NUREG-1465 Source Term. An additional radionuclide chemical class has been defined to …
Date:
January 1, 2011
Creator:
Salay, Michael (U.S. Nuclear Regulatory Commission, Washington, D.C.); Gauntt, Randall O.; Lee, Richard Y. (U.S. Nuclear Regulatory Commission, Washington, D.C.); Powers, Dana Auburn & Leonard, Mark Thomas
System:
The UNT Digital Library
Additional Characterization of Min-K TE-1400 Thermal Insulation
Min-K 1400TE (Thermal Ceramics, Augusta, Georgia) insulation material was further characterized at Oak Ridge National Laboratory (ORNL) for use in structural applications under gradient temperature conditions in an inert environment. Original characterization of Min-K was undertaken from April 1997 to July 2008 to determine its high temperature compressive strength and stress relaxation behavior up to 900 C in helium along with the formulation of a general model for the mechanical behavior exhibited by Min-K under these conditions. The additional testing described in this report was undertaken from April 2009 to June 2010 in an effort to further evaluate the mechanical behavior of Min-K when subjected to a variety of conditions including alternative test temperatures and time scales than previously measured. The behavior of Min-K under changing environments (temperature and strain), lateral loads, and additional isothermal temperatures was therefore explored.
Date:
January 1, 2011
Creator:
Hemrick, James Gordon & King, James
System:
The UNT Digital Library
Advanced dexterous manipulation for IED defeat : report on the feasibility of using the ShadowHand for remote operations.
Improvised Explosive Device (IED) defeat (IEDD) operations can involve intricate operations that exceed the current capabilities of the grippers on board current bombsquad robots. The Shadow Dexterous Hand from the Shadow Robot Company or 'ShadowHand' for short (www.shadowrobot.com) is the first commercially available robot hand that realistically replicates the motion, degrees-of-freedom and dimensions of a human hand (Figure 1). In this study we evaluate the potential for the ShadowHand to perform potential IED defeat tasks on a mobile platform.
Date:
January 1, 2011
Creator:
Anderson, Robert J.
System:
The UNT Digital Library
Aerosol Resuspension Model for MELCOR for Fusion and Very High Temperature Reactor Applications
Dust is generated in fusion reactors from plasma erosion of plasma facing components within the reactor’s vacuum vessel (VV) during reactor operation. This dust collects in cooler regions on interior surfaces of the VV. Because this dust can be radioactive, toxic, and/or chemically reactive, it poses a safety concern, especially if mobilized by the process of resuspension during an accident and then transported as an aerosol though out the reactor confinement building, and possibly released to the environment. A computer code used at the Idaho National Laboratory (INL) to model aerosol transport for safety consequence analysis is the MELCOR code. A primary reason for selecting MELCOR for this application is its aerosol transport capabilities. The INL Fusion Safety Program (FSP) organization has made fusion specific modifications to MELCOR. Recent modifications include the implementation of aerosol resuspension models in MELCOR 1.8.5 for Fusion. This paper presents the resuspension models adopted and the initial benchmarking of these models.
Date:
January 1, 2011
Creator:
Merrill, B. J.
System:
The UNT Digital Library
AGR-1 Irradiated Test Train Preliminary Inspection and Disassembly First Look
The AGR-1 irradiation experiment ended on November 6, 2009, after 620 effective full power days in the Advanced Test Reactor, achieving a peak burnup of 19.6% FIMA. The test train was shipped to the Materials and Fuels Complex in March 2010 for post-irradiation examination. The first PIE activities included non-destructive examination of the test train, followed by disassembly of the test train and individual capsules and detailed inspection of the capsule contents, including the fuel compacts and the graphite fuel holders. Dimensional measurements of the compacts, graphite holders, and steel capsules shells were performed using a custom vision measurement system (for outer diameters and lengths) and conventional bore gauges (for inner diameters). Gamma spectrometry of the intact test train gave a preliminary look at the condition of the interior components. No evidence of damage to compacts or graphite components was evident from the isotopic and gross gamma scans. Neutron radiography of the intact Capsule 2 showed a high degree of detail of interior components and confirmed the observation that there was no major damage to the capsule. Disassembly of the capsules was initiated using procedures qualified during out-of-cell mockup testing. Difficulties were encountered during capsule disassembly due to irradiation-induced changes …
Date:
January 1, 2011
Creator:
Demkowicz, Paul; Cole, Lance; Ploger, Scott; Winston, Philip; Pham, Binh & Abbott, Michael
System:
The UNT Digital Library
Analysis of Experimental Data for High Burnup PWR Spent Fuel Isotopic Validation - Vandellos II Reactor
This report is one of the several recent NUREG/CR reports documenting benchmark-quality radiochemical assay data and the use of the data to validate computer code predictions of isotopic composition for spent nuclear fuel, to establish the uncertainty and bias associated with code predictions. The experimental data analyzed in the current report were acquired from a high-burnup fuel program coordinated by Spanish organizations. The measurements included extensive actinide and fission product data of importance to spent fuel safety applications, including burnup credit, decay heat, and radiation source terms. Six unique spent fuel samples from three uranium oxide fuel rods were analyzed. The fuel rods had a 4.5 wt % {sup 235}U initial enrichment and were irradiated in the Vandellos II pressurized water reactor operated in Spain. The burnups of the fuel samples range from 42 to 78 GWd/MTU. The measurements were used to validate the two-dimensional depletion sequence TRITON in the SCALE computer code system.
Date:
January 1, 2011
Creator:
Ilas, Germina & Gauld, Ian C
System:
The UNT Digital Library
Analytical Plan for Roman Glasses
Roman glasses that have been in the sea or underground for about 1800 years can serve as the independent “experiment” that is needed for validation of codes and models that are used in performance assessment. Two sets of Roman-era glasses have been obtained for this purpose. One set comes from the sunken vessel the Iulia Felix; the second from recently excavated glasses from a Roman villa in Aquileia, Italy. The specimens contain glass artifacts and attached sediment or soil. In the case of the Iulia Felix glasses quite a lot of analytical work has been completed at the University of Padova, but from an archaeological perspective. The glasses from Aquileia have not been so carefully analyzed, but they are similar to other Roman glasses. Both glass and sediment or soil need to be analyzed and are the subject of this analytical plan. The glasses need to be analyzed with the goal of validating the model used to describe glass dissolution. The sediment and soil need to be analyzed to determine the profile of elements released from the glass. This latter need represents a significant analytical challenge because of the trace quantities that need to be analyzed. Both pieces of information …
Date:
January 1, 2011
Creator:
Strachan, Denis M.; Buck, Edgar C.; Mueller, Karl T.; Schwantes, Jon M.; Olszta, Matthew J.; Thevuthasan, Suntharampillai et al.
System:
The UNT Digital Library
[Announcement for Annual Historic Preservation Conference, 2011]
Save-the-date postcard announcing the Annual Historic Preservation Conference to be held March 31st to April 2nd, 2011 in Austin. The front of the card includes an image of the state capitol building and the back describes when and where the event will be held, with contact information.
Date:
2011~
Creator:
Texas Historical Commission
System:
The Portal to Texas History
ANSI/ASHRAE/IESNA Standard 90.1-2007 Final Qualitative Determination
A final qualitative analysis of all addenda to American National Standards Institute (ANSI)/American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)/Illuminating Engineering Society of North America (IESNA) Standard 90.1-2004 that were included in ANSI/ASHRAE/IESNA Standard 90.1-2007 was conducted. All 44 addenda processed by ASHRAE in the creation of Standard 90.1-2007 from Standard 90.1-2004 were evaluated by the U.S. Department of Energy (DOE) for their impact on energy efficiency. DOE preliminarily determined whether that addenda would have a positive, neutral, or negative impact on overall building efficiency. Table S.1 shows the number of positive and negative changes for each section of Standard 90.1.
Date:
January 1, 2011
Creator:
Halverson, Mark A.; Liu, Bing; Richman, Eric E. & Winiarski, David W.
System:
The UNT Digital Library
Assessing the operational life of flexible printed boards intended for continuous flexing applications : a case study.
Through the vehicle of a case study, this paper describes in detail how the guidance found in the suite of IPC (Association Connecting Electronics Industries) publications can be applied to develop a high level of design assurance that flexible printed boards intended for continuous flexing applications will satisfy specified lifetime requirements.
Date:
January 1, 2011
Creator:
Beck, David Franklin
System:
The UNT Digital Library
Assessment of Biomass Resources in Afghanistan
Afghanistan is facing many challenges on its path of reconstruction and development. Among all its pressing needs, the country would benefit from the development and implementation of an energy strategy. In addition to conventional energy sources, the Afghan government is considering alternative options such as energy derived from renewable resources (wind, solar, biomass, geothermal). Biomass energy is derived from a variety of sources -- plant-based material and residues -- and can be used in various conversion processes to yield power, heat, steam, and fuel. This study provides policymakers and industry developers with information on the biomass resource potential in Afghanistan for power/heat generation and transportation fuels production. To achieve this goal, the study estimates the current biomass resources and evaluates the potential resources that could be used for energy purposes.
Date:
January 1, 2011
Creator:
Milbrandt, A. & Overend, R.
System:
The UNT Digital Library
Assessment of public involvement
"This report analyzed several meetings held by Texas Department of Transportation (TxDOT), reviewed TxDOT's Literature and regulations, and assessed documents from other states. These synthesized findings led to the development of a policy statement and recommendations for consideration by TxDOT staff."
Date:
January 2011
Creator:
Lewis, Carol Abek; Goodwin, Gwendolyn C. & Sabaroche, Sascha
System:
The Portal to Texas History
Basis to demonstrate compliance with the National Emission Standards for Hazardous Air Pollutants for the Stand-off Experiments Range
The purpose of this report is to provide the basis and the documentation to demonstrate general compliance with the National Emission Standard for Hazardous Air Pollutants (NESHAPS) 40 CFR 61 Subpart H, “National Emission Standards for Emissions of Radionuclides Other Than Radon from Department of Energy Facilities,” (the Standard) for outdoor linear accelerator operations at the Idaho National Laboratory (INL) Stand-off Experiments Range (SOX). The intent of this report is to inform and gain acceptance of this methodology from the governmental bodies regulating the INL.
Date:
January 1, 2011
Creator:
Sandvig, Michael
System:
The UNT Digital Library
Biennial Report of the Texas Correctional Office on Offenders wtih Medical or Mental Impairments: 2011
This report complies with state legislation addressing all aspects of the criminal justice system.
Date:
2011
Creator:
Texas Correctional Office on Offenders with Medical and Mental Impairments
System:
The Portal to Texas History
The BigBOSS Experiment
BigBOSS will obtain observational constraints that will bear on three of the four 'science frontier' questions identified by the Astro2010 Cosmology and Fundamental Phyics Panel of the Decadal Survey: Why is the universe accelerating; what is dark matter and what are the properties of neutrinos? Indeed, the BigBOSS project was recommended for substantial immediate R and D support the PASAG report. The second highest ground-based priority from the Astro2010 Decadal Survey was the creation of a funding line within the NSF to support a 'Mid-Scale Innovations' program, and it used BigBOSS as a 'compelling' example for support. This choice was the result of the Decadal Survey's Program Priorization panels reviewing 29 mid-scale projects and recommending BigBOSS 'very highly'.
Date:
January 1, 2011
Creator:
Schelgel, D.; Abdalla, F.; Abraham, T.; Ahn, C.; Allende Prieto, C.; Annis, J. et al.
System:
The UNT Digital Library
Biofuel impacts on water.
Sandia National Laboratories and General Motors Global Energy Systems team conducted a joint biofuels systems analysis project from March to November 2008. The purpose of this study was to assess the feasibility, implications, limitations, and enablers of large-scale production of biofuels. 90 billion gallons of ethanol (the energy equivalent of approximately 60 billion gallons of gasoline) per year by 2030 was chosen as the book-end target to understand an aggressive deployment. Since previous studies have addressed the potential of biomass but not the supply chain rollout needed to achieve large production targets, the focus of this study was on a comprehensive systems understanding the evolution of the full supply chain and key interdependencies over time. The supply chain components examined in this study included agricultural land use changes, production of biomass feedstocks, storage and transportation of these feedstocks, construction of conversion plants, conversion of feedstocks to ethanol at these plants, transportation of ethanol and blending with gasoline, and distribution to retail outlets. To support this analysis, we developed a 'Seed to Station' system dynamics model (Biofuels Deployment Model - BDM) to explore the feasibility of meeting specified ethanol production targets. The focus of this report is water and its linkage …
Date:
January 1, 2011
Creator:
Tidwell, Vincent Carroll; Malczynski, Leonard A. & Sun, Amy Cha-Tien
System:
The UNT Digital Library
Biofuel impacts on water.
Sandia National Laboratories and General Motors Global Energy Systems team conducted a joint biofuels systems analysis project from March to November 2008. The purpose of this study was to assess the feasibility, implications, limitations, and enablers of large-scale production of biofuels. 90 billion gallons of ethanol (the energy equivalent of approximately 60 billion gallons of gasoline) per year by 2030 was chosen as the book-end target to understand an aggressive deployment. Since previous studies have addressed the potential of biomass but not the supply chain rollout needed to achieve large production targets, the focus of this study was on a comprehensive systems understanding the evolution of the full supply chain and key interdependencies over time. The supply chain components examined in this study included agricultural land use changes, production of biomass feedstocks, storage and transportation of these feedstocks, construction of conversion plants, conversion of feedstocks to ethanol at these plants, transportation of ethanol and blending with gasoline, and distribution to retail outlets. To support this analysis, we developed a 'Seed to Station' system dynamics model (Biofuels Deployment Model - BDM) to explore the feasibility of meeting specified ethanol production targets. The focus of this report is water and its linkage …
Date:
January 1, 2011
Creator:
Tidwell, Vincent Carroll; Malczynski, Leonard A. & Sun, Amy Cha-Tien
System:
The UNT Digital Library
Brooks County Independent School District: Human Resources and Substitute Teacher Program Review, January 2011
"This report reviews the management and performance of the Brooks County Independent School District's (BCISD) human resources and substitute teacher programs."
Date:
January 2011
Creator:
MGT of America, Inc.
System:
The Portal to Texas History
Capital Area Council of Governments Annual Report: 2011
Annual report for the Capital Area Council of Governments (CAPCOG) describing developments and updates on organizational programs.
Date:
2011~
Creator:
Capital Area Council of Governments (Austin, Tex.)
System:
The Portal to Texas History
CASL Validation Data: An Initial Review
The study aims to establish a comprehensive view of “data” needed for supporting implementation of the Consortium of Advanced Simulation of LWRs (CASL). Insights from this review (and its continual refinement), together with other elements developed in CASL, should provide the foundation for developing the CASL Validation Data Plan (VDP). VDP is instrumental to the development and assessment of CASL simulation tools as predictive capability. Most importantly, to be useful for CASL, the VDP must be devised (and agreed upon by all participating stakeholders) with appropriate account for nature of nuclear engineering applications, the availability, types and quality of CASL-related data, and novelty of CASL goals and its approach to the selected challenge problems. The initial review (summarized on the January 2011 report version) discusses a broad range of methodological issues in data review and Validation Data Plan. Such a top-down emphasis in data review is both needed to see a big picture on CASL data and appropriate when the actual data are not available for detailed scrutiny. As the data become available later in 2011, a revision of data review (and regular update) should be performed. It is expected that the basic framework for review laid out in this …
Date:
January 1, 2011
Creator:
Dinh, Nam
System:
The UNT Digital Library
Central Texas Turnpike System Financial Statements: 2011
Financial report of the Central Texas Turnpike System for the fiscal year 2011, including an overview of the organization and activities, audited and unaudited reports, and basic financial statements with notes.
Date:
2011
Creator:
Texas. Department of Transportation. Division of Finance.
System:
The Portal to Texas History