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X-ray Diffraction Diagnostic Design for the National Ignition Facility
None
Date:
July 26, 2013
Creator:
Ahmed, M; House, A; Smith, R F; Lamb, Z & Swift, D W
Object Type:
Article
System:
The UNT Digital Library
Characterizing surplus US plutonium for disposition
The United States (US) has identified 61.5 metric tons (MT) of plutonium that is permanently excess to use in nuclear weapons programs, including 47.2 MT of weapons-grade plutonium. Surplus inventories will be stored safely by the Department of Energy (DOE) and then transferred to facilities that will prepare the plutonium for permanent disposition. The Savannah River National Laboratory (SRNL) operates a Feed Characterization program for the Office of Fissile Materials Disposition (OFMD) of the National Nuclear Security Administration (NNSA) and the DOE Office of Environmental Management (DOE-EM). SRNL manages a broad program of item tracking through process history, laboratory analysis, and non-destructive assay. A combination of analytical techniques allows SRNL to predict the isotopic and chemical properties that qualify materials for disposition through the Mixed Oxide (MOX) Fuel Fabrication Facility (MFFF). The research also defines properties that are important for other disposition paths, including disposal to the Waste Isolation Pilot Plant (WIPP) as transuranic waste (TRUW) or to high-level waste (HLW) systems.
Date:
February 26, 2013
Creator:
Allender, Jeffrey S. & Moore, Edwin N.
Object Type:
Article
System:
The UNT Digital Library
Summary of the Preliminary Optical ICHMI Design Study: A Preliminary Engineering Design Study for a Standpipe Viewport
This summary report examines an in-vessel optical access concept intended to support standoff optical instrumentation, control and human-machine interface (ICHMI) systems for future advanced small modular reactor (AdvSMR) applications. Optical-based measurement and sensing systems for AdvSMR applications have several key benefits over traditional instrumentation and control systems used to monitor reactor process parameters, such as temperature, flow rate, pressure, and coolant chemistry (Anheier et al. 2013). Direct and continuous visualization of the in-vessel components can be maintained using external cameras. Many optical sensing techniques can be performed remotely using open optical beam path configurations. Not only are in-vessel cables eliminated by these configurations, but also sensitive optical monitoring components (e.g., electronics, lasers, detectors, and cameras) can be placed outside the reactor vessel in the instrument vault, containment building, or other locations where temperatures and radiation levels are much lower. However, the extreme AdvSMR environment present challenges for optical access designs and optical materials. Optical access is not provided in any commercial nuclear power plant or featured in any reactor design, although successful implementation of optical access has been demonstrated in test reactors (Arkani and Gharib 2009). This report outlines the key engineering considerations for an AdvSMR optical access concept. Strict …
Date:
December 26, 2013
Creator:
Anheier, Norman C.; Qiao, Hong (Amy); Berglin, Eric J. & Hatchell, Brian K.
Object Type:
Report
System:
The UNT Digital Library
Search for Neutrinoless Double-Beta Decay in $^{136}$Xe with EXO-200
None
Date:
March 26, 2013
Creator:
Auger, M.; Auty, D. J.; Barbeau, P. S.; Beauchamp, E.; Belov, V.; Benitez-Medina, C. et al.
Object Type:
Article
System:
The UNT Digital Library
Master's Recital: 2013-10-26 - Tyler Austin, bassoon
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music degree.
Date:
October 26, 2013
Creator:
Austin, Tyler
Object Type:
Sound
System:
The UNT Digital Library
Master’s Recital: 2013-10-26 - Tyler Austin, bassoon
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master’s of Music degree.
Date:
October 26, 2013
Creator:
Austin, Tyler
Object Type:
Video
System:
The UNT Digital Library
Results For The Third Quarter 2013 Tank 50 WAC Slurry Sample
This report details the chemical and radionuclide contaminant results for the characterization of the 2013 Third Quarter sampling of Tank 50 for the Saltstone Waste Acceptance Criteria (WAC) in effect at that time. Information from this characterization will be used by DWPF & Saltstone Facility Engineering (DSFE) to support the transfer of low-level aqueous waste from Tank 50 to the Salt Feed Tank in the Saltstone Facility in Z-Area, where the waste will be immobilized. This information is also used to update the Tank 50 Waste Characterization System.
Date:
November 26, 2013
Creator:
Bannochie, Christopher J.
Object Type:
Report
System:
The UNT Digital Library
241-AY-101 Tank Construction Extent of Condition Review for Tank Integrity
This report provides the results of an extent of condition construction history review for tank 241-AY-101. The construction history of tank 241-AY-101 has been reviewed to identify issues similar to those experienced during tank AY-102 construction. Those issues and others impacting integrity are discussed based on information found in available construction records, using tank AY-102 as the comparison benchmark. In tank 241-AY-101, the second double-shell tank constructed, similar issues as those with tank 241-AY-102 construction reoccurred. The overall extent of similary and affect on tank 241-AY-101 integrity is described herein.
Date:
August 26, 2013
Creator:
Barnes, Travis J. & Gunter, Jason R.
Object Type:
Report
System:
The UNT Digital Library
Comparing Medicaid and Exchanges: Benefits and Costs for Individuals and Families
This report provides an analysis of some of the key similarities and differences between Medicaid and insurance plan structure in plans offered through exchanges.It provides an insight into the complexities and issues when comparing beneficiary benefits and costs to individuals for Medicaid and the exchanges.
Date:
June 26, 2013
Creator:
Baumrucker, Evelyne P. & Fernandez, Bernadette
Object Type:
Report
System:
The UNT Digital Library
Final Report for The University of Texas at Arlington Optical Medical Imaging Section of Advanced Imaging Research Center
The goal of this project was to create state-of-the-art optical medical imaging laboratories for the Biomedical Engineering faculty and student researchers of the University of Texas at Arlington (UTA) on the campus of the University of Texas Southwestern Medical Center (UTSW). This has been successfully achieved. These laboratories provide an unprecedented opportunity for the bioengineers (from UTA) to bring about new breakthroughs in medical imaging using optics. Specifically, three major laboratories have been successfully established and state-of-the-art scientific instruments have been placed in the labs. As a result of this grant, numerous journal and conference publications have been generated, patents for new inventions have been filed and received, and many additional grants for the continuation of the research has been received.
Date:
February 26, 2013
Creator:
Behbehani, Khosrow
Object Type:
Report
System:
The UNT Digital Library
Where do users find value?
Presentation on the value of The Portal to Texas History at a symposium at the American Folklife Center at the Library of Congress, Cultural Heritage Archives: Networks, Innovation & Collaboration. This was part of a session on the users of Cultural Heritage Archival Materials.
Date:
September 26, 2013
Creator:
Belden, Dreanna & Murray, Kathleen R.
Object Type:
Presentation
System:
The UNT Digital Library
Cloture Attempts on Nominations: Data and Historical Development
This report is on Cloture Attempts on Nominations: Data and Historical Development.
Date:
June 26, 2013
Creator:
Beth, Rechard, S.
Object Type:
Report
System:
The UNT Digital Library
Molecular Characterization of Bacterial Respiration on Minerals
The overall aim of this project was to contribute to our fundamental understanding of proteins and biological processes under extreme environmental conditions. We sought to define the biochemical and physiological mechanisms that underlie biodegradative and other cellular processes in normal, extreme, and engineered environments. Toward that end, we sought to understand the substrate oxidation pathways, the electron transport mechanisms, and the modes of energy conservation employed during respiration by bacteria on soluble iron and insoluble sulfide minerals. In accordance with these general aims, the specific aims were two-fold: To identify, separate, and characterize the extracellular biomolecules necessary for aerobic respiration on iron under strongly acidic conditions; and to elucidate the molecular principles whereby these bacteria recognize and adhere to their insoluble mineral substrates under harsh environmental conditions. The results of these studies were described in a total of nineteen manuscripts. Highlights include the following: 1. The complete genome of Acidithiobacillus ferrooxidans ATCC 23270 (type strain) was sequenced in collaboration with the DOE Joint Genome Institute; 2. Genomic and mass spectrometry-based proteomic methods were used to evaluate gene expression and in situ microbial activity in a low-complexity natural acid mine drainage microbial biofilm community. This was the first effort to successfully …
Date:
April 26, 2013
Creator:
Blake, Robert C.
Object Type:
Report
System:
The UNT Digital Library
Kenya: Current Issues and U.S. Policy
This report provides background information regarding on political and security situation in Kenya. The report discusses U.S.-Kenya relations, as U.S. government views Kenya as a strategic partner and anchor state in East Africa, and as critical to counterterrorism efforts in the region.
Date:
February 26, 2013
Creator:
Blanchard, Lauren Ploch
Object Type:
Report
System:
The UNT Digital Library
Experimental High Energy Physics Brandeis University Final Report
During the past three years, the Brandeis experimental particle physics group was comprised of four faculty (Bensinger, Blocker, Sciolla, and Wellenstein), one research scientist, one post doc, and ten graduate students. The group focused on the ATLAS experiment at LHC. In 2011, the LHC delivered 5/fb of pp colliding beam data at a center-of-mass energy of 7 TeV. In 2012, the center-of-mass energy was increased to 8 TeV, and 20/fb were delivered. The Brandeis group focused on two aspects of the ATLAS experiment -- the muon detection system and physics analysis. Since data taking began at the LHC in 2009, our group actively worked on ATLAS physics analysis, with an emphasis on exploiting the new energy regime of the LHC to search for indications of physics beyond the Standard Model. The topics investigated were Z' -> ll, Higgs -> ZZ* -. 4l, lepton flavor violation, muon compositeness, left-right symmetric theories, and a search for Higgs -> ee. The Brandeis group has for many years been a leader in the endcap muon system, making important contributions to every aspect of its design and production. During the past three years, the group continued to work on commissioning the muon detector and alignment …
Date:
July 26, 2013
Creator:
Blocker, Craig A.; Bensinger, James; Sciolla, Gabriella & Wellenstein, Hermann
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 93, No. 190, Ed. 1 Thursday, September 26, 2013
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 26, 2013
Creator:
Bloom, David
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 128, No. 232, Ed. 1 Tuesday, November 26, 2013
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
November 26, 2013
Creator:
Bloom, David
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 128, No. 244, Ed. 1 Thursday, December 26, 2013
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 26, 2013
Creator:
Bloom, David
Object Type:
Newspaper
System:
The Portal to Texas History
Toward the Theory of Turbulence in Magnetized Plasmas
The goal of the project was to develop a theory of turbulence in magnetized plasmas at large scales, that is, scales larger than the characteristic plasma microscales (ion gyroscale, ion inertial scale, etc.). Collisions of counter-propagating Alfven packets govern the turbulent cascade of energy toward small scales. It has been established that such an energy cascade is intrinsically anisotropic, in that it predominantly supplies energy to the modes with mostly field-perpendicular wave numbers. The resulting energy spectrum of MHD turbulence, and the structure of the fluctuations were studied both analytically and numerically. A new parallel numerical code was developed for simulating reduced MHD equations driven by an external force. The numerical setting was proposed, where the spectral properties of the force could be varied in order to simulate either strong or weak turbulent regimes. It has been found both analytically and numerically that weak MHD turbulence spontaneously generates a “condensate”, that is, concentration of magnetic and kinetic energy at small k{sub {parallel}}. A related topic that was addressed in the project is turbulent dynamo action, that is, generation of magnetic field in a turbulent flow. We were specifically concentrated on the generation of large-scale magnetic field compared to the scales …
Date:
July 26, 2013
Creator:
Boldyrev, Stanislav
Object Type:
Report
System:
The UNT Digital Library
Architectural Analysis of a LLNL LWIR Sensor System
None
Date:
November 26, 2013
Creator:
Bond, E J; Curry, J R; LaFortune, K N & Williams, A M
Object Type:
Report
System:
The UNT Digital Library
[Summer Arts Intensive Education Training Program]
Video recording from The Black Academy of Arts and Letters recorded during their Summer Arts Intensive Education Training Program event in 2013. Various performances by the youth that include acting, singing, and dancing. Hosted by Curtis King.
Date:
2013-06-26/2013-06-27
Creator:
Boyd, Kenneth
Object Type:
Video
System:
The UNT Digital Library
[Summer Arts Intensive Education Training Program]
Video recording from The Black Academy of Arts and Letters recorded during their Summer Arts Intensive Education Training Program event in 2013. Various performances by youth singers and musicians including dance hosted by Curtis King.
Date:
2013-06-26/2013-06-27
Creator:
Boyd, Kenneth
Object Type:
Video
System:
The UNT Digital Library
Biomass: Comparison of Definitions in Legislation
This report discusses the use of biomass, its legislative history, and the proposed redefinition of biomass in legislation.
Date:
November 26, 2013
Creator:
Bracmort, Kelsi
Object Type:
Report
System:
The UNT Digital Library
Geoengineering: Governance and Technology Policy
This report is intended as a primer on the policy issues, science, and governance of geoengineering technologies. The report will first set the policy parameters under which geoengineering technologies may be considered. It will then describe selected technologies in detail and discuss their status. The third section provides a discussion of possible approaches to governmental involvement in, and oversight of, geoengineering, including a summary of domestic and international instruments and institutions that may affect geoengineering projects.
Date:
November 26, 2013
Creator:
Bracmort, Kelsi & Lattanzio, Richard K.
Object Type:
Report
System:
The UNT Digital Library