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Unfinished Business: Challenges for the New Millennium. 82nd Annual ACU Lectureship
42
Be My Witnesses. 83rd Annual Bible Lectureship
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317/319 phytoremediation site monitoring report - 2004 growing season.
In 1999, Argonne National Laboratory (ANL) designed and installed a series of engineered plantings consisting of a vegetative cover system and approximately 800 hybrid poplars and willows rooting at various predetermined depths. The plants were installed using various methods including Applied Natural Science's TreeWell{reg_sign} system. The goal of the installation was to protect downgradient surface and groundwater by hydraulic control of the contaminated plume by intercepting the contaminated groundwater with the tree roots, removing moisture from the upgradient soil area, reducing water infiltration, preventing soil erosion, degrading and/or transpiring the residual volatile organic compounds (VOCs), and removing tritium from the subsoil and groundwater. This report presents the results of the monitoring activities conducted by Argonne's Energy Systems Division (ES) in the growing season of 2004. Monitoring of the planted trees began soon after the trees were installed in 1999 and has been conducted every summer since then. As the trees grew and consolidated their growth into the contaminated soil and groundwater, their exposure to the contaminants was progressively shown through tissue sampling. Since the inception of the project, significant progress was made in the refinement and testing of the analytical method (for which no official method is available), the determination …
Date:
February 21, 2009
Creator:
Negri, M. C.; Gopalakrishnan, G.; Bogner, J. & Systems, Energy
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 32, No. 18, Ed. 1 Friday, February 21, 2003
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 21, 2003
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
2000 - Year of Opportunity in Asia
Lecture given Monday, February 21, 2000, 3:30 PM at Abilene Christian University: "It's a whole new Asia! Walls have come down. Doors have opened wide. The face of missions is changing dramatically. Asia offers new challenges and opportunities."
Date:
February 21, 2000
Creator:
Sinclair, Ken
Object Type:
Sound
System:
The Portal to Texas History
2002 Spring Visitors' Guide (Port Aransas, Tex.)
Spring visitors' guide from Port Aransas, Texas that includes information of interest to visitors along with extensive advertising.
Date:
February 21, 2002
Creator:
Judson, Mary
Object Type:
Newspaper
System:
The Portal to Texas History
Ad Hoc Select Committees: Use in the House of Representatives
This report explains what a select committee is in the House of Representatives, and how it is used. The report explains that the recent usage of the select committee has been for fragmented or largely overlapping areas of jurisdiction for multiple committees.
Date:
February 21, 2006
Creator:
Schneider, Judy
Object Type:
Report
System:
The UNT Digital Library
AdS/CFT and QCD
The AdS/CFT correspondence between string theory in AdS space and conformal .eld theories in physical spacetime leads to an analytic, semi-classical model for strongly-coupled QCD which has scale invariance and dimensional counting at short distances and color confinement at large distances. Although QCD is not conformally invariant, one can nevertheless use the mathematical representation of the conformal group in five-dimensional anti-de Sitter space to construct a first approximation to the theory. The AdS/CFT correspondence also provides insights into the inherently non-perturbative aspects of QCD, such as the orbital and radial spectra of hadrons and the form of hadronic wavefunctions. In particular, we show that there is an exact correspondence between the fifth-dimensional coordinate of AdS space z and a specific impact variable {zeta} which measures the separation of the quark and gluonic constituents within the hadron in ordinary space-time. This connection allows one to compute the analytic form of the frame-independent light-front wavefunctions, the fundamental entities which encode hadron properties and allow the computation of decay constants, form factors, and other exclusive scattering amplitudes. New relativistic lightfront equations in ordinary space-time are found which reproduce the results obtained using the 5-dimensional theory. The effective light-front equations possess remarkable algebraic structures …
Date:
February 21, 2007
Creator:
Brodsky, Stanley J. & de Teramond, Guy F.
Object Type:
Article
System:
The UNT Digital Library
Advanced High-Temperature Reactor for Production of Electricity and Hydrogen: Molten-Salt-Coolant, Graphite-Coated-Particle-Fuel
The objective of the Advanced High-Temperature Reactor (AHTR) is to provide the very high temperatures necessary to enable low-cost (1) efficient thermochemical production of hydrogen and (2) efficient production of electricity. The proposed AHTR uses coated-particle graphite fuel similar to the fuel used in modular high-temperature gas-cooled reactors (MHTGRs), such as the General Atomics gas turbine-modular helium reactor (GT-MHR). However, unlike the MHTGRs, the AHTR uses a molten salt coolant with a pool configuration, similar to that of the PRISM liquid metal reactor. A multi-reheat helium Brayton (gas-turbine) cycle, with efficiencies >50%, is used to produce electricity. This approach (1) minimizes requirements for new technology development and (2) results in an advanced reactor concept that operates at essentially ambient pressures and at very high temperatures. The low-pressure molten-salt coolant, with its high heat capacity and natural circulation heat transfer capability, creates the potential for (1) exceptionally robust safety (including passive decay-heat removal) and (2) allows scaling to large reactor sizes [{approx}1000 Mw(e)] with passive safety systems to provide the potential for improved economics.
Date:
February 21, 2002
Creator:
Forsberg, Charles W.
Object Type:
Report
System:
The UNT Digital Library
Advanced Oil Recovery Technologies for Improved Recovery from Slope Basin Clastic Reservoirs, Nash Draw Brushy Canyon Pool, Eddy County, New Mexico, Class III
The overall objective of this project is to demonstrate that a development program based on advanced reservoir management methods can significantly improve oil recovery at the Nash Draw Pool (NDP). The plan includes developing a control area using standard reservoir management techniques and comparing its performance to an area developed using advanced reservoir management methods. Specific goals are (1) to demonstrate that an advanced development drilling and pressure maintenance program can significantly improve oil recovery compared to existing technology applications and (2) to transfer these advanced methodologies to oil and gas producers in the Permian Basin and elsewhere throughout the U.S. oil and gas industry.
Date:
February 21, 2002
Creator:
Murphy, Michael B.
Object Type:
Report
System:
The UNT Digital Library
Advanced Underground Vehicle Power and Control: Phase 2 - Foundations of Fuelcell Power and Automated Control
None
Date:
February 21, 2003
Creator:
Barnes, David L. & Miller, Arnold R.
Object Type:
Report
System:
The UNT Digital Library
Advanced Wavefront Control Techniques
Programs at LLNL that involve large laser systems--ranging from the National Ignition Facility to new tactical laser weapons--depend on the maintenance of laser beam quality through precise control of the optical wavefront. This can be accomplished using adaptive optics, which compensate for time-varying aberrations that are often caused by heating in a high-power laser system. Over the past two decades, LLNL has developed a broad capability in adaptive optics technology for both laser beam control and high-resolution imaging. This adaptive optics capability has been based on thin deformable glass mirrors with individual ceramic actuators bonded to the back. In the case of high-power lasers, these adaptive optics systems have successfully improved beam quality. However, as we continue to extend our applications requirements, the existing technology base for wavefront control cannot satisfy them. To address this issue, this project studied improved modeling tools to increase our detailed understanding of the performance of these systems, and evaluated novel approaches to low-order wavefront control that offer the possibility of reduced cost and complexity. We also investigated improved beam control technology for high-resolution wavefront control. Many high-power laser systems suffer from high-spatial-frequency aberrations that require control of hundreds or thousands of phase points to …
Date:
February 21, 2001
Creator:
Olivier, S. S.; Brase, J. M.; Avicola, K.; Thompson, C. A.; Kartz, M. W.; Winters, S. et al.
Object Type:
Report
System:
The UNT Digital Library
AFCI UFP, Final Technical Report DE-FC07-00AL67053
The project ''Creating an Educational Consortium to Support the Recruitment and Retention of Expertise for the Nuclear Weapons Complex'' was also known as the Advanced Fuel Cycle Initiative (AFCI) University Fellowship Program. Since its inception, the Advanced Fuel Cycle Initiative program and its predecessor, the Advanced Accelerator Applications (AAA) program, have engaged university researchers and students in the sciences necessary to answer technical questions related to reducing high-level waste volumes, optimizing the economics and performance of Yucca Mountain, reducing the technical need for a second repository, reducing the long-term inventories of plutonium in spent fuel, and enabling the proliferation-resistant recovery of the energy contained in spent fuel. The Advanced Fuel Cycle University Fellowship Program is intended to support top students across the nation in a variety of disciplines that will be required to support transmutation research and technology development in the coming decades.
Date:
February 21, 2005
Creator:
Dixon, Cathy
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Post-War Governance, Security, and U.S. Policy
The United States and its allies are helping Afghanistan emerging from more than 22 years of warfare, although substantial risk to Afghan stability remains. Before the U.S. military campaign against the orthodox Islamist Taliban movement began on October 7, 2001, Afghanistan had been mired in conflict since the Soviet invasion of Afghanistan in 1979. The defeat of the Taliban has enabled the United States and its coalition partners to send forces throughout Afghanistan to search for Taliban and Al Qaeda fighters and leaders that remain at large, including Osama bin Laden. As the war against remaining Al Qaeda and Taliban elements winds down, the United States is shifting its military focus toward stabilizing the interim government, including training a new Afghan national army, and supporting the international security force (ISAF) that is helping the new government provide security.
Date:
February 21, 2006
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 126, No. 38, Ed. 1 Thursday, February 21, 2002
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
February 21, 2002
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 132, No. 39, Ed. 1 Thursday, February 21, 2008
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
February 21, 2008
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
Alteration of U(6)-Phases Under Oxidizing Conditions
Uranium-(VI) phases are the primary alteration products of the UO{sub 2} in spent nuclear fuel and the UO{sub 2+x}, in natural uranium deposits. The U(VI)-phases generally form sheet structures of edge-sharing UO{sub 2}{sup 2+} polyhedra. The complexity of these structures offers numerous possibilities for coupled-substitutions of trace metals and radionuclides. The incorporation of radionuclides into U(VI)-structures provides a potential barrier to their release and transport in a geologic repository that experiences oxidizing conditions. In this study, we have used natural samples of UO{sub 2+x}, to study the U(VI)-phases that form during alteration and to determine the fate of the associated trace elements.
Date:
February 21, 2006
Creator:
Deditius, A. P.; Utsunomiya, S. & Ewing, R. C.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 100, No. 288, Ed. 1 Monday, February 21, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 21, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 101, No. 294, Ed. 1 Wednesday, February 21, 2001
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 21, 2001
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 103, No. 305, Ed. 1 Thursday, February 21, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 21, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 106, No. 272, Ed. 1 Monday, February 21, 2005
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 21, 2005
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 107, No. 274, Ed. 1 Tuesday, February 21, 2006
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 21, 2006
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 108, No. 281, Ed. 1 Wednesday, February 21, 2007
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 21, 2007
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 109, No. 226, Ed. 1 Thursday, February 21, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 21, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, February 21, 2001
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
February 21, 2001
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Alvin Sun (Alvin, Tex.), Vol. 109, No. 16, Ed. 1 Monday, February 21, 2000
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
February 21, 2000
Creator:
Schwind, Jim & Holton, Kathleen
Object Type:
Newspaper
System:
The Portal to Texas History