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761 Matching Results
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Ab initio Based Modeling of Radiation Effects in Multi-Component Alloys: Final Scientific/Technical Report
The project began March 13, 2006, allocated for three years, and received a one year extension from March 13, 2009 to March 12, 2010. It has now completed 48 of 48 total months. The project was focused on using ab initio methods to gain insights into radiation induced segregation (RIS) in Ni-Fe-Cr alloys. The project had the following key accomplishments • Development of a large database of ab initio energetics that can be used by many researchers in the future for increased understanding of this system. For example, we have the first calculations showing a dramatic stabilization effect of Cr-Cr interstitial dumbbells in Ni. • Prediction of both vacancy and interstitial diffusion constants for Ni-Cr and Ni-Fe for dilute Cr and Fe. This work included generalization of widely used multifrequency models to make use of ab initio derived energetics and thermodynamics. • Prediction of qualitative trends of RIS from vacancy and interstitial mechanisms, suggesting the two types of defect fluxes drive Cr RIS in opposite directions. • Detailed kinetic Monte Carlo modeling of diffusion by vacancy mechanism in Ni-Cr as a function of Cr concentration. The results demonstrate that Cr content can have a significant effect on RIS. • Development …
Date:
June 10, 2010
Creator:
Morgan, Dane
Object Type:
Report
System:
The UNT Digital Library
The AIG Rescue, Its Impact on Markets, and the Government's Exit Strategy
June report of the U.S. Congressional Oversight Panel describing their activities and findings regarding the impact of the 2007-2008 financial crisis on American International Group (AIG) and the subsequent rescue of the firm by the financial assistance received from the federal government.
Date:
June 10, 2010
Creator:
United States. Congressional Oversight Panel.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 135, No. 3, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
June 10, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 112, No. 133, Ed. 1 Thursday, June 10, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Archer County News (Archer City, Tex.), No. 23, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 90, No. 115, Ed. 1 Thursday, June 10, 2010
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Halter, Janie
Object Type:
Newspaper
System:
The Portal to Texas History
Biological Systems for Hydrogen Photoproduction
This presentation summarizes biological systems for hydrogen photoproduction.
Date:
June 10, 2010
Creator:
Ghirardi, M.
Object Type:
Presentation
System:
The UNT Digital Library
The Canadian Record (Canadian, Tex.), Vol. 120, No. 23, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Canadian, Texas that includes local, state and national news along with some advertising.
Date:
June 10, 2010
Creator:
Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
China Naval Modernization: Implications for U.S. Navy Capabilities--Background and Issues for Congress
This report focuses on the potential implications of China's naval modernization for future required U.S. Navy capabilities. This report is based on unclassified open-source information, such as the annual Department of Defense (DOD) report to Congress on China's military power, an August 2009 report from the Office of Naval Intelligence (ONI), and published reference sources such as Jane's Fighting Ships.
Date:
June 10, 2010
Creator:
O'Rourke, Ronald
Object Type:
Report
System:
The UNT Digital Library
The Colony Courier-Leader (The Colony, Tex.), Vol. 29, No. 19, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from The Colony, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Mann, Rick
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 7, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Consolidation of K Basin Sludge Data and Experiences on Agglomerate Formation
The formation of high sludge strength agglomerates is a key concern to the Sludge Treatment Project (STP) to ensure the sludge can be retrieved after planned storage for up to 10 years in Sludge Transport and Storage Containers (STSC) at T Plant. This report addresses observations of agglomerate formation, conditions that the data shows lead to agglomeration, the frequency of agglomerate formation and postulated physiochemical mechanisms that may lead to agglomeration. Although the exact underlying chemistry of K Basin sludge agglomerate formation is not known, the factors that lead to agglomeration formation, based on observations, are as follows: (1) High Total Uranium Content (i.e., sample homogeneity and influence from other constituents); (2) Distribution of Uranium Phases (i.e., extent of conversion from uraninite to uranium oxide hydroxide compounds); (3) Sample Dry-out (loss of cover water); (4) Elevated temperature; (5) Solubility ofU(IV) phases vs. U(VI) phases; and (6) Long storage times. Agglomerated sludge has occurred infrequently and has only been observed in four laboratory samples, five samples subjected to hydrothermal testing (performed for 7 to 10 hours at {approx}185 C and 225 psig), and indirectly during six sampling events in the KE Basin. In the four laboratory samples where agglomerates were observed, …
Date:
June 10, 2010
Creator:
Hill, S.R.
Object Type:
Report
System:
The UNT Digital Library
Controlled Hydrogen Fleet and Infrastructure Analysis
This presentation summarizes controlled hydrogen fleet & infrastructure analysis undertaken for the DOE Fuel Cell Technologies Program.
Date:
June 10, 2010
Creator:
Wipke, K.; Sprik, S.; Kurtz, J. & Ramsden, T.
Object Type:
Presentation
System:
The UNT Digital Library
Cooper Review (Cooper, Tex.), Vol. 131, No. 23, Ed. 1 Wednesday, June 10, 2010
Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Palmer, Roger
Object Type:
Newspaper
System:
The Portal to Texas History
DART to Independence Day Celebrations
News release promoting the use of DART and TRE transportation service to travel to Independence Day celebrations.
Date:
June 10, 2010
Creator:
Lyons, Morgan & Ball, Mark
Object Type:
Text
System:
The Portal to Texas History
Determination of ionization energies of CnN (n=4-12): Vacuum-ultraviolet (VUV) photoionization experiments and theoretical calculations
Results from single photon vacuum ultraviolet photoionization of astrophysically relevant CnN clusters, n = 4 - 12, in the photon energy range of 8.0 eV to 12.8 eV are presented. The experimental photoionization efficiency curves, combined with electronic structure calculations, provide improved ionization energies of the CnN species. A search through numerous nitrogen-terminated CnN isomers for n=4-9 indicates that the linear isomer has the lowest energy, and therefore should be the most abundant isomer in the molecular beam. Comparison with calculated results also shed light on the energetics of the linear CnN clusters, particularly in the trends of the even-carbon and the odd-carbon series. These results can help guide the search of potential astronomical observations of these neutral molecules together with their cations in highly ionized regions or regions with a high UV/VUV photon flux (ranging from the visible to VUV with flux maxima in the Lyman- region) in the interstellar medium.
Date:
June 10, 2010
Creator:
Kostko, Oleg; Zhou, Jia; Sun, Bian Jian; Lie, Jie Shiuan; Chang, Agnes H.H.; Kaiser, Ralf I. et al.
Object Type:
Article
System:
The UNT Digital Library
DOD Leases of Foreign-Built Ships: Background for Congress
This report briefly discusses the Department of Defense leasing foreign-built ships, the opponents of this practice, and related legislation.
Date:
June 10, 2010
Creator:
O'Rourke, Ronald
Object Type:
Report
System:
The UNT Digital Library
The Dublin Citizen (Dublin, Tex.), Vol. 20, No. 41, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Eagle Nebula Experiments on NIF: NIF Facility Time Proposal
None
Date:
June 10, 2010
Creator:
Cooper, A. B.; Remington, B. A.; Pound, M. W.; Moore, A. S.; MacLaren, S. A.; Williams, R. J. et al.
Object Type:
Report
System:
The UNT Digital Library
Electra Star-News (Electra, Tex.), Vol. 103, No. 43, Ed. 1 Thursday, June 10, 2010
Weekly newspaper from Electra, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Electron and Photon Interactions in the Regime of Strong LPM Suppression
Most searches for ultra-high energy (UHE) astrophysical neutrinos look for radio emission from the electromagnetic and hadronic showers produced in their interactions. The radio frequency spectrum and angular distribution depend on the shower development, so are sensitive to the interaction cross sections. At energies above about 1016 eV (in ice), the Landau-Pomeranchuk-Migdal (LPM) effect significantly reduces the cross sections for the two dominant electromagnetic interactions: bremsstrahlung and pair production. At higher energies, above about 1020 eV, the photonuclear cross section becomes larger than that for pair production, and direct pair production and electronuclear interactions become dominant over bremsstrahlung. The electron interaction length reaches a maximum around 1021 eV, and then decreases slowly as the electron energy increases further. In this regime, the growth in the photon cross section and electron energy loss moderates the rise in nu e shower length, which rises from ~;;5 m at 1016 eV to ~;;40 m at 1019 eV and ~;;100 m at 1020 eV, but only to ~;;300 m at 1024 eV. In contrast, without photonuclear and electronuclear interactions, the shower length would be over 10 km at 1024 eV.
Date:
June 10, 2010
Creator:
Gerhardt, L. & Klein, S.
Object Type:
Article
System:
The UNT Digital Library
[Email from Daniel Graney to officers regarding financial support]
Email from Daniel Graney to Erin Moore, Kaye Gooch, Al Daniels on June 10, 2010 discussing State Representative Kristi Thibaut's financial support.
Date:
June 10, 2010
Creator:
unknown
Object Type:
Letter
System:
The UNT Digital Library
Exploration of Resource and Transmission Expansion Decisions in the Western Renewable Energy Zone Initiative
The Western Renewable Energy Zone (WREZ) initiative brings together a diverse set of voices to develop data, tools, and a unique forum for coordinating transmission expansion in the Western Interconnection. In this paper we use a new tool developed in the WREZ initiative to evaluate possible renewable resource selection and transmission expansion decisions. We evaluate these decisions under a number of alternative future scenarios centered on meeting 33percent of the annual load in the Western Interconnection with new renewable resources located within WREZ-identified resource hubs. Our analysis finds that wind energy is the largest source of renewable energy procured to meet the 33percent RE target across nearly all scenarios analyzed (38-65percent). Solar energy is almost always the second largest source (14-41percent). We find several load zones where wind energy is the least cost resource under a wide range of sensitivity scenarios. Load zones in the Southwest, on the other hand, are found to switch between wind and solar, and therefore to vary transmission expansion decisions, depending on uncertainties and policies that affect the relative economics of each renewable option. Further, we find that even with total transmission expenditures of $17-34 billion these costs still represent just 10-19percent of the total …
Date:
June 10, 2010
Creator:
Mills, Andrew D.; Phadke, Amol A. & Wiser, Ryan H.
Object Type:
Article
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, June 10, 2010
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Wray, Kelly
Object Type:
Newspaper
System:
The Gateway to Oklahoma History