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499 Matching Results
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Final Technical Report - Integrated Hydrogeophysical and Hydrogeologic Driven Parameter Upscaling for Dual-Domain Transport Modeling
The three major components of this research were: 1. Application of minimally invasive, cost effective hydrogeophysical techniques (surface and borehole), to generate fine scale (~1m or less) 3D estimates of subsurface heterogeneity. Heterogeneity is defined as spatial variability in hydraulic conductivity and/or hydrolithologic zones. 2. Integration of the fine scale characterization of hydrogeologic parameters with the hydrogeologic facies to upscale the finer scale assessment of heterogeneity to field scale. 3. Determination of the relationship between dual-domain parameters and practical characterization data.
Date:
November 5, 2012
Creator:
Shafer, John M
Object Type:
Report
System:
The UNT Digital Library
Focused-ion-beam Assisted Growth, Patterning, and Narrowing the Size Sidtributions of ZnO Nanowires for Variable Optical Properties and Enhanced Non-mechanical Energy Conversion
None
Date:
November 5, 2012
Creator:
Wang, X. Y.; Xie, S. F.; Liu, J.; Kucheyev, S. O. & Wang, Y. M.
Object Type:
Article
System:
The UNT Digital Library
Keystone XL Pipeline Project: Key Issues
This report describes the Keystone XL pipeline project, as proposed by TransCanada in its May 4, 2012, Presidential Permit application, and the process and procedures that the State Department is obligated to complete in processing that permit application. It also summarizes issues that arose during the 2008 permit application process, particularly those that may affect the current permit application. This report also summarizes key arguments that have been raised, both for and against the pipeline, by the pipeline’s developers, state and federal agencies, environmental groups, and other stakeholders. Finally, the report reviews the constitutional basis for the State Department’s authority to issue a Presidential Permit, and opponents’ possible challenges to this authority.
Date:
November 5, 2012
Creator:
Parfomak, Paul W.; Pirog, Robert; Luther, Linda & Vann, Adam
Object Type:
Report
System:
The UNT Digital Library
Long-Term Colloid Mobilization And Colloid-Facilitated Transport Of Radionuclides In A Semi-Arid Vadose Zone
The main purpose of this project was to improve the fundamental mechanistic understanding and quantification of long-term colloid mobilization and colloid-facilitated transport of radionuclides in the vadose zone, with special emphasis on the semi-arid Hanford site. While we focused some of the experiments on hydrogeological and geochemical conditions of the Hanford site, many of our results apply to colloid and colloid-facilitated transport in general. Specific objectives were (1) to determine the mechanisms of colloid mobilization and colloid-facilitated radionuclide transport in undisturbed Hanford sediments under unsaturated flow, (2) to quantify in situ colloid mobilization and colloid-facilitated radionuclide transport from Hanford sediments under field conditions, and (3) to develop a field-scale conceptual and numerical model for colloid mobilization and transport at the Hanford vadose zone, and use that model to predict long-term colloid and colloid- facilitated radionuclide transport. To achieve these goals and objectives, we have used a combination of experimental, theoretical, and numerical methods at different spatial scales, ranging from microscopic investigations of single particle attachment and detachment to larger-scale field experiments using outdoor lysimeters at the Hanford site. Microscopic and single particle investigations provided fundamental insight into mechanisms of colloid interactions with the air-water interface. We could show that a …
Date:
November 5, 2012
Creator:
Flury, Markus; Harsh, James B; Zhang, Fred; Gee, Glendon W; Mattson, Earl D & Lichtner, Peter C
Object Type:
Text
System:
The UNT Digital Library
Miscellaneous Tariff Bills: Overview and Issues for Congress
None
Date:
November 5, 2012
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Networking of psychophysics, psychology, and neurophysiology
Article discussing the dynamic networking and dynamic networks in complex research on psychophysics, psychology, and neurophysiology.
Date:
November 5, 2012
Creator:
West, Bruce J. & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 98, No. 57, Ed. 1 Monday, November 5, 2012
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 5, 2012
Creator:
Ellisor, Laney
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Ranger (San Antonio, Tex.), Vol. 87, No. 7, Ed. 1 Monday, November 5, 2012
Weekly student newspaper from San Antonio College in San Antonio, Texas that includes campus news along with advertising.
Date:
November 5, 2012
Creator:
San Antonio College
Object Type:
Newspaper
System:
The Portal to Texas History
Release of aged contaminants from weathered sediments: Effects of sorbate speciation on scaling of reactive transport
Hanford sediments impacted by hyperalkaline high level radioactive waste have undergone incongruent silicate mineral weathering concurrent with contaminant uptake. In this project, we studied the impact of background pore water (BPW) on strontium, cesium and iodine desorption and transport in Hanford sediments that were experimentally weathered by contact with simulated hyperalkaline tank waste leachate (STWL) solutions. Using those lab-weathered Hanford sediments (HS) and model precipitates formed during nucleation from homogeneous STWL solutions (HN), we (i) provided thorough characterization of reaction products over a matrix of field-relevant gradients in contaminant concentration, partial pressure of carbon dioxide, and reaction time; (ii) improved molecular-scale understanding of how sorbate speciation controls contaminant desorption from weathered sediments upon removal of caustic sources; and (iii) developed a mechanistic, predictive model of meso- to field-scale contaminant reactive transport under these conditions. In this final report, we provide detailed descriptions of our results from this three-year study, completed in 2012 following a one-year no cost extension.
Date:
November 5, 2012
Creator:
Chorover, Jon; Perdrial, Nico; Mueller, Karl; Strepka, Caleb; OÃÂâÃÂÃÂÃÂÃÂDay, Peggy; Rivera, Nelson et al.
Object Type:
Report
System:
The UNT Digital Library
Same-Sex Marriages: Legal Issues
Report that discusses Defense of Marriage Act (DOMA) and legal challenges to it. It reviews legal principles applied to determine the validity of a marriage contracted in another state and surveys the various approaches employed by states to address same-sex marriage. It also examines previous Congressional resolutions proposing a constitutional amendment and limiting federal courts' jurisdiction to hear or determine any question pertaining to the interpretation of DOMA.
Date:
November 5, 2012
Creator:
Smith, Alison M.
Object Type:
Report
System:
The UNT Digital Library
Sweetwater Reporter (Sweetwater, Tex.), Vol. 114, No. 250, Ed. 1 Monday, November 5, 2012
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
November 5, 2012
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Attorney General Opinion: GA-0972
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Greg Abbott, regarding a legal question submitted for clarification: Authority of an employer to ban the transport and storage of handguns by concealed handgun license holders in locked private vehicles on employee parking lots (RQ-I061-GA).
Date:
November 5, 2012
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Texas Attorney General Opinion: GA-0973
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Greg Abbott, regarding a legal question submitted for clarification: Whether a taxing authority may impose, and a county is obligated to pay, penalties and interest on ad valorem taxes imposed on real property purchased by a county for the year of sale that have remained unpaid (RQ-I063-GA).
Date:
November 5, 2012
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Thanksgiving travel information for DART and TRE
News release about DART's adjusted service schedule in observance of the Thanksgiving holiday.
Date:
November 5, 2012
Creator:
Lyons, Mark & Ball, Mark
Object Type:
Text
System:
The Portal to Texas History
[Unprocessed boxes of Resource Center Dallas materials]
Photograph of boxes of archival materials as received from the Resource Center Dallas before they were processed for patrons' use.
Date:
November 5, 2012
Creator:
University of North Texas. Libraries.
Object Type:
Image
System:
The UNT Digital Library
[Unprocessed materials from the Resource Center LGBT Collection of the UNT Libraries]
Photograph of folders and binders from the Resource Center LGBT Collection of the UNT Libraries in a cardboard box. A woman's hands are flipping through the folders.
Date:
November 5, 2012
Creator:
University of North Texas. Libraries.
Object Type:
Image
System:
The UNT Digital Library
[Unprocessed Resource Center LGBT Collection of the UNT Libraries boxes]
Photograph of boxes of archival materials as received from the Resource Center Dallas before they were processed for patrons' use.
Date:
November 5, 2012
Creator:
University of North Texas. Libraries.
Object Type:
Image
System:
The UNT Digital Library
The Use of Federal Troops for Disaster Assistance: Legal Issues
This report summarizes the possible constitutional and statutory authorities and constraints relevant to the use of armed forces, including National Guard units in federal service, to provide assistance to states when a natural disaster impedes the operation of state and local police.
Date:
November 5, 2012
Creator:
Elsea, Jennifer K. & Mason, R. Chuck
Object Type:
Report
System:
The UNT Digital Library
Veterans’ Benefits: Honoring America’s Veterans and Caring for Camp Lejeune Families Act of 2012 (P.L. 112-154)
None
Date:
November 5, 2012
Creator:
Scott, Christine
Object Type:
Report
System:
The UNT Digital Library
2012-2013 Presidential Election Period: National Security Considerations and Options
This report discusses historical national security-related presidential transition activities, provides a representative sampling of national security issues a new Administration may encounter, and offers considerations and options relevant to each of the five phases of the presidential election period. Each phase has distinct challenges and opportunities for the incoming Administration, the outgoing Administration, and Congress. This report is intended to provide a framework for national security considerations during the current election period and will be updated to reflect the election outcome.
Date:
October 5, 2012
Creator:
Rollins, John
Object Type:
Report
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 113, No. 91, Ed. 1 Friday, October 5, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 5, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Bahrain: Reform, Security, and U.S. Policy
This report discusses the current state of Bahrain, which has undergone substantial political reforms since the late 1990s, but which still suffers from tension between the Shiite majority and the Sunni-led government. This report focuses particularly on Bahrain's relationship with the United States and with regional issues.
Date:
October 5, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
The Baytown Sun (Baytown, Tex.), Vol. 92, No. 199, Ed. 1 Friday, October 5, 2012
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
October 5, 2012
Creator:
Yanelli, Adam
Object Type:
Newspaper
System:
The Portal to Texas History
Brownwood Bulletin (Brownwood, Tex.), Vol. 112, No. 305, Ed. 1 Friday, October 5, 2012
Weekly newspaper from Brownwood, Texas that includes local, state and national news along with advertising.
Date:
October 5, 2012
Creator:
Deason, Gene
Object Type:
Newspaper
System:
The Portal to Texas History