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Acceleration of Field-Scale Bioreduction of U(VI) in a Shallow Alluvial Aquifer: Temporal and Spatial Evolution of Biogeochemistry
Uranium mill tailings sites provide access to uranium-contaminated groundwater at sites that are shallow and low hazard, making it possible to address the following scientific objectives: (1) Determine the dominant electron accepting processes at field sites with long-term metal/rad contamination; (2) Define the biogeochemical transformations that may be important to either natural or accelerated bioremediation under field conditions; and (3) Examine the potential for using biostimulation (electron donor addition) to accelerate reduction of U(VI) to U(IV) at the field scale.
Date:
April 20, 2005
Creator:
Long, Phil
System:
The UNT Digital Library
Alternative-Fuel Heavy-Duty Engine Projects
None
Date:
August 20, 2000
Creator:
Bogdanoff, Mike
System:
The UNT Digital Library
The Aqueous Thermodynamics and Complexation Reactions of Radionuclides to High Ionic Strength: Applications in Subsurface Science and High-Level Waste Processing
This presentation was given at the DOE Office of Science-Environmental Management Science Program (EMSP) High-Level Waste Workshop held on January 19-20, 2005 at the Savannah River Site.
Date:
January 20, 2005
Creator:
Felmy, A.; Wang, Z.; Cho, H.; Hess, N.; Choppin, G. & Dixon, D.
System:
The UNT Digital Library
ARRA Fuel Cell Deployment and Operation
This presentation summarizes ARRA fuel cell deployment and operation.
Date:
October 20, 2010
Creator:
Kurtz, J.; Wipke, K.; Sprik, S. & Ramsden, T.
System:
The UNT Digital Library
Bacterial Biotransformations for the In situ Stabilization of Plutonium
Plutonium contamination in the environment is generally low-level and may be present and transported in a range of forms (IV, V, VI). Current remediation strategies are costly, financially and in terms of increased exposure risk to people and the environment. In situ bacterial biostabilization is a promising alternative.
Date:
April 20, 2005
Creator:
Neu, Mary; Boukhalfa, Hakim; Icopini, Gary; Hersman, Larry; Lack, Joe; Priester, John et al.
System:
The UNT Digital Library
Biogeochemistry Grand Challenge Electron Transfer at the Microbe-Mineral Interface
None
Date:
April 20, 2005
Creator:
Fredrickson, Jim & Zachara, John
System:
The UNT Digital Library
Blade Testing at NREL's National Wind Technology Center (NWTC)
Presentation of Blade Testing at NREL's National Wind Technology Center for the 2010 Sandia National Laboratories Blade Testing Workshop.
Date:
July 20, 2010
Creator:
Hughes, S.
System:
The UNT Digital Library
Characterization of Actinides on Simulated Alkaline Tank Waste Sludges and Leach Solutions
This presentation was given at the DOE Office of Science-Environmental Management Science Program (EMSP) High-Level Waste Workshop held on January 19-20, 2005 at the Savannah River Site.
Date:
January 20, 2005
Creator:
Nash, Kenneth L. & Rao, Linfeng
System:
The UNT Digital Library
Combinatorial Synthesis of Oxygen Reduction Electrocatalysts by Spray Pyrolysis
This report talks about Combinatorial Synthesis of Oxygen Reduction Electrocatalysts by Spray Pyrolysis
Date:
October 20, 2002
Creator:
Napolitano, Paul; Dericotte, David; Bhatia, Rimple; Atanassova, Paolina; Hampden-Smith, Mark & Kodas, Toivo
System:
The UNT Digital Library
Comparative biochemistry and physiology of metal-reducing organisms from acidic and neutral pH environments
Comparison of the metal reduction efforts between a sampled acidophile alphaprotebacteria (Acidiphilium cryptum JF-5) and a neutrophile deltaprotebacteria (Geobacter spp.), for the purposes of discovering if the two samples reduce metal with similar structured organelles.
Date:
April 20, 2005
Creator:
Magnuson, Tim
System:
The UNT Digital Library
Composition, Reactivity, and Regulation of Extracellular Metal-Reducing Structures(Nanowires) Produced by Dissimilatory Metal Reducing Bacteria
Image collection of composition, reactivity, and regulation of extracellular metal-reducing structures (nanowires) produced by dissimilatory metal reducing bacteria.
Date:
April 20, 2005
Creator:
Gorby, Yuri A.; Beveridge, Terry J. & Wiley, William R.
System:
The UNT Digital Library
Computational Design of Metal Ion Sequestering Agents
This presentation was given at the DOE Office of Science-Environmental Management Science Program (EMSP) High-Level Waste Workshop held on January 19-20, 2005 at the Savannah River Site.
Date:
January 20, 2005
Creator:
Hay, Benjamin P.
System:
The UNT Digital Library
Concentrating Photovoltaics
Solar is growing rapidly, and the concentrating photovoltaics industry-both high- and low-concentration cell approaches-may be ready to ramp production in 2009.
Date:
January 20, 2009
Creator:
Kurtz, S.
System:
The UNT Digital Library
Development of Advanced Electrochemical Emission Spectroscopy for Monitoring Corrosion in Simulated DOE Liquid Waste
This presentation was given at the DOE Office of Science-Environmental Management Science Program (EMSP) High-Level Waste Workshop held on January 19-20, 2005 at the Savannah River Site.
Date:
January 20, 2005
Creator:
Macdonld, Digby D.; Marx, Brian; Soundararajan, Balaji; Smith, Morgan; Cheng, Jeng-Kuei; Ahn, Sejin et al.
System:
The UNT Digital Library
Diesels-Promises & Issues
None
Date:
August 20, 2000
Creator:
Flynn, Patrick
System:
The UNT Digital Library
Dissimilatory Metal Reduction by Anaeromyxobacter
None
Date:
April 20, 2005
Creator:
Löffler, Frank E.
System:
The UNT Digital Library
E85 Quality Specifications and Market Surveys
Presentation about ethanol, specifications for E85, and market surveys of fuel quality.
Date:
April 20, 2010
Creator:
Alleman, T. L.
System:
The UNT Digital Library
Emission Standards for Locomotives and Locomotive Engines
None
Date:
January 20, 2001
Creator:
Orehowsky, Greg
System:
The UNT Digital Library
Establishing Capabilities to Evaluate Reductants for NOx Adsorber Technologies
None
Date:
August 20, 2000
Creator:
De Witt, Mathew J.
System:
The UNT Digital Library
Field Investigations of Lactate-Stimulated Bioreduction of Cr(VI) at Hanford 100H
The overall objective of this paper is to carry out field investigations to assess the potential for immobilizing and detoxifying chromium-contaminated groundwater using lactate-stimulated bioreduction of Cr(VI) to Cr(III) at the Hanford 100H site.
Date:
April 20, 2005
Creator:
Hazen, T. C.; Faybishenko, B.; Joyner, D.; Borglin, S.; Brodie, E.; Hubbard, S. et al.
System:
The UNT Digital Library
Flame Lift-Off in DI Diesel Sprays: Impact on Soot Formation
None
Date:
August 20, 2000
Creator:
Siebers, Dennis L.
System:
The UNT Digital Library
Fuel Cell Vehicle Learning Demonstration: Spring 2007 Results
This presentation provides the results, as of Spring 2007, for the fuel cell vehicle learning demonstration conducted by the National Renewable Energy Laboratory.
Date:
March 20, 2007
Creator:
Wipke, K.; Sprik, S.; Thomas, H.; Welch, C.; Gronich, S. & Garbak, J.
System:
The UNT Digital Library
Fundamental UNEX Chemistry
This presentation was given at the DOE Office of Science-Environmental Management Science Program (EMSP) High-Level Waste Workshop held on January 19-20, 2005 at the Savannah River Site.
Date:
January 20, 2005
Creator:
Herbst, R. S.; Peterman, D. R.; Luther, T. A.; Garn, T. G.; Babain, V. A.; Smirnov, I. V. et al.
System:
The UNT Digital Library
Fundamentals of Sulfur Trap For Diesel Engine Emission Control
None
Date:
August 20, 2000
Creator:
Mao, Frank F.
System:
The UNT Digital Library