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462 Matching Results
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Simulation of Alpha-Channeling in Mirror Machines
Applying α-channeling techniques to mirror machines can significantly increase their effective reactivity, thus making open configurations more advantageous for practical fusion. A large fraction of α particle energy can be extracted using rf waves. Effects employed to cool α particles can also in principle be used to heat the fusion ions; the possibility to design a configuration of rf waves which could be used to perform both tasks is demonstrated.
Date:
March 17, 2008
Creator:
A.I. Zhmoginov, N.J. Fisch
Object Type:
Report
System:
The UNT Digital Library
International Law and the Preemptive Use of Force Against Iraq. March 2003
This report examines that issue as developed in customary international law and under the United Nations Charter.
Date:
March 17, 2003
Creator:
Ackerman, David M.
Object Type:
Report
System:
The UNT Digital Library
U.S.-European Union Trade Relations: Issues and Policy Challenges
None
Date:
March 17, 2006
Creator:
Ahearn, Raymond J.
Object Type:
Report
System:
The UNT Digital Library
Reduction of U(VI) Complexes by Anthraquinone Disulfonate: Experiment and Molecular Modeling
Past studies demonstrate that complexation will limit abiotic and biotic U(VI) reduction rates and the overall extent of reduction. However, the underlying basis for this behavior is not understood and presently unpredictable across species and ligand structure. The central tenets of these investigations are: (1) reduction of U(VI) follows the electron-transfer (ET) mechanism developed by Marcus; (2) the ET rate is the rate-limiting step in U(VI) reduction and is the step that is most affected by complexation; and (3) Marcus theory can be used to unify the apparently disparate U(VI) reduction rate data and as a computational tool to construct a predictive relationship.
Date:
March 17, 2004
Creator:
Ainsworth, C. C.; Wang, Z.; Rosso, K. M.; Wagnon, K. & Fredrickson, J. K.
Object Type:
Presentation
System:
The UNT Digital Library
Timpson & Tenaha News (Timpson, Tex.), Vol. 20, No. 11, Ed. 1 Thursday, March 17, 2005
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
March 17, 2005
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Les Houches Physics at TeV Colliders 2005 Beyond the Standard Model Working Group: Summary Report
The work contained herein constitutes a report of the ''Beyond the Standard Model'' working group for the Workshop ''Physics at TeV Colliders'', Les Houches, France, 2-20 May, 2005. We present reviews of current topics as well as original research carried out for the workshop. Supersymmetric and non-supersymmetric models are studied, as well as computational tools designed in order to facilitate their phenomenology.
Date:
March 17, 2006
Creator:
Allanach, B. C.; Grojean, C.; Skands, P.; Accomando, E.; Azuelos, G.; Baer, H. et al.
Object Type:
Article
System:
The UNT Digital Library
Women in the United States Congress: 1917-2004
This report identifies the names, committee assignments, dates of service, and (for Representatives) districts of the 219 women Members of Congress.
Date:
March 17, 2004
Creator:
Amer, Mildred L.
Object Type:
Report
System:
The UNT Digital Library
Invert Effective Thermal Conductivity Calculation
The objective of this calculation is to evaluate the temperature-dependent effective thermal conductivities of a repository-emplaced invert steel set and surrounding ballast material. The scope of this calculation analyzes a ballast-material thermal conductivity range of 0.10 to 0.70 W/m {center_dot} K, a transverse beam spacing range of 0.75 to 1.50 meters, and beam compositions of A 516 carbon steel and plain carbon steel. Results from this calculation are intended to support calculations that identify waste package and repository thermal characteristics for Site Recommendation (SR). This calculation was developed by Waste Package Department (WPD) under Office of Civilian Radioactive Waste Management (OCRWM) procedure AP-3.12Q, Revision 1, ICN 0, Calculations.
Date:
March 17, 2000
Creator:
Anderson, M. J.; Wade, H. M. & Mitchell, T. L.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 105, No. 313, Ed. 1 Wednesday, March 17, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 17, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 106, No. 293, Ed. 1 Thursday, March 17, 2005
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 17, 2005
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Hydrogen Separation Membranes Annual Report for FY 2008.
The objective of this work is to develop dense ceramic membranes for separating hydrogen from other gaseous components in a nongalvanic mode, i.e., without using an external power supply or electrical circuitry. The goal of this project is to develop dense hydrogen transport membranes (HTMs) that nongalvanically (i.e., without electrodes or external power supply) separate hydrogen from gas mixtures at commercially significant fluxes under industrially relevant operating conditions. HTMs will be used to separate hydrogen from gas mixtures such as the product streams from coal gasification, methane partial oxidation, and water-gas shift reactions. Potential ancillary uses of HTMs include dehydrogenation and olefin production, as well as hydrogen recovery in petroleum refineries and ammonia synthesis plants, the largest current users of deliberately produced hydrogen. This report describes progress that was made during Fy 2008 on the development of HTM materials.
Date:
March 17, 2009
Creator:
Balachandran, U.; Dorris, S. E.; Emerson, J. E.; Lee, T. H.; Lu, Y.; Park, C. Y. et al.
Object Type:
Report
System:
The UNT Digital Library
Group Theoretical Analysis of Vibrational Modes, Rovibronic Levels and Nuclear Spin Statistics of extended aromatic C48N12 Azafullerene
We have presented a group theoretical analysis of the vibrational modes and rovibronic levels of a novel extended aromatic C{sub 48}N{sub 12} azafullerene. The nuclear spin multiplets and statistical weights of {sup 14}N spin-1 bosons, vibrational and rotational analysis and computed vibrational spectra are provided. We have also predicted the properties of the {sup 3}A{sub u}, {sup 3}E{sub g}, and {sup 3}E{sub u} excited states of C{sub 48}N{sub 12} that lie 1.9 eV above the {sup 1}A{sub g} ground state, and that the {sup 3}E{sub g} and {sup 3}E{sub u} states would undergo Jahn-Teller distortion into chiral structures with no symmetry and an achiral structure with C{sub i} symmetry.
Date:
March 17, 2004
Creator:
Balasubramanian, K
Object Type:
Article
System:
The UNT Digital Library
Spectroscopic Properties of Novel Aromatic Metal Clusters: NaM4 (M=Al, Ga, In) and their Cations and Anions
The ground and several excited states of metal aromatic clusters, namely NaM4 and NaM{sub 4}{sup {+-}} (M=Al, Ga, In) clusters have been investigated by employing complete activespace self-consistent-field (CASSCF) followed by Multi-reference singles and doubles configuration interaction (MRSDCI) computations that included up to 10 million configurations and other methods. The ground states NaM{sub 4}{sup -} of aromatic anions are found to be symmetric C{sub 4v} ({sup 1}A{sub 1}) electronic states with ideal square pyramid geometries. While the ground state of NaIn4 is also predicted to be a symmetric C{sub 4v} ({sup 2}A{sub 1}) square pyramid, the ground state of the NaAl4 cluster is found to have a C{sub 2v} ({sup 2}A{sub 1}) pyramid with a rhombus base and the ground state of NaGa{sub 4} possesses a C{sub 2v} ({sup 2}A{sub 1}) pyramid with a rectangle base. In general these structures exhibit 2 competing geometries, viz., an ideal C{sub 4v} structure and a distorted rhomboidal or rectangular pyramid structure (C{sub 2v}). All of the ground states of the NaM{sub 4}{sup +} (M= Al, Ga, In) cations are computed to be C{sub 2v} ({sup 3}A{sub 2}) pyramids with rhombus bases. The equilibrium geometries, vibrational frequencies, dissociation energies, adiabatic ionization potentials, adiabatic electron …
Date:
March 17, 2004
Creator:
Balasubramanian, K & Zhao, C
Object Type:
Article
System:
The UNT Digital Library
Energy Policy: The Continuing Debate
Concern about national energy policy remains high amidst high prices for oil products and natural gas during the winter of 2003 and oil inventory levels that have been observed to be at historic lows. On February 28, 2003, Representative Joe Barton, chairman of the House Energy and Air Quality Subcommittee, released a draft omnibus energy bill that includes a number of issues debated, but left unresolved, in the 107th Congress. The Senate has indicated its intention to introduce omnibus energy legislation as well.
Date:
March 17, 2003
Creator:
Bamberger, Robert L.
Object Type:
Report
System:
The UNT Digital Library
Strategic Petroleum Reserve
None
Date:
March 17, 2003
Creator:
Bamberger, Robert L.
Object Type:
Report
System:
The UNT Digital Library
The Heavy Ion Fusion Program in the USA
The U.S. Department of Energy has established a new, larger inertial fusion energy program. To manage program growth, we have developed a new inertial fusion energy research and we have established a Virtual National Laboratory for Heavy Ion Fusion. There has been significant technical progress. Improvements in target design have reduced the predicted energy requirements by approximately a factor of two. There have also been important experiments on chamber dynamics and other inertial fusion technologies. The accelerator program has completed a number of small-scale experiments. Experiments with driver-scale beams are being designed -- including experiments with driver-scale ion sources and injectors. Finally we are developing the technologies needed to build a major research facility known as the Integrated Research Experiment (IRE)
Date:
March 17, 2000
Creator:
Bangerter, R.O.
Object Type:
Article
System:
The UNT Digital Library
On Sub-linear Convergence for Linearly Degenerate Waves in Capturing Schemes
A common attribute of capturing schemes used to find approximate solutions to the Euler equations is a sub-linear rate of convergence with respect to mesh resolution. Purely nonlinear jumps, such as shock waves produce a first-order convergence rate, but linearly degenerate discontinuous waves, where present, produce sub-linear convergence rates which eventually dominate the global rate of convergence. The classical explanation for this phenomenon investigates the behavior of the exact solution to the numerical method in combination with the finite error terms, often referred to as the modified equation. For a first-order method, the modified equation produces the hyperbolic evolution equation with second-order diffusive terms. In the frame of reference of the traveling wave, the solution of a discontinuous wave consists of a diffusive layer that grows with a rate of t{sup 1/2}, yielding a convergence rate of 1/2. Self-similar heuristics for higher order discretizations produce a growth rate for the layer thickness of {Delta}t{sup 1/(p+1)} which yields an estimate for the convergence rate as p/(p+1) where p is the order of the discretization. In this paper we show that this estimated convergence rate can be derived with greater rigor for both dissipative and dispersive forms of the discrete error. In …
Date:
March 17, 2008
Creator:
Banks, J W; Aslam, T & Rider, W J
Object Type:
Article
System:
The UNT Digital Library
Post-Closure RCRA Groundwater Monitoring Plan for the 216-S-10 Pond and Ditch
The purpose of this plan is to provide a post-closure groundwater monitoring program for the 216-S-10 Pond and Ditch (S-10) treatment, storage, and/or disposal (TSD) unit. The plan incorporates the sum of knowledge about the potential for groundwater contamination to originate from the S-10, including groundwater monitoring results, hydrogeology, and operational history. The S-10 has not received liquid waste since October 1991. The closure of S-10 has been coordinated with the 200-CS-1 source operable unit in accordance with the Tri-Party Agreement interim milestones M-20-39 and M-15-39C. The S-10 is closely situated among other waste sites of very similar operational histories. The proximity of the S-10 to the other facilities (216-S-17 pond, 216-S-11 Pond, 216-S-5,6 cribs, 216-S-16 ditch and pond, and 216-U-9 ditch) indicate that at least some observed groundwater contamination beneath and downgradient of S-10 could have originated from waste sites other than S-10. Hence, it may not be feasible to strictly discriminate between the contributions of each waste site to groundwater contamination beneath the S-10. A post-closure groundwater monitoring network is proposed that will include the drilling of three new wells to replace wells that have gone dry. When completed, the revised network will meet the intent for groundwater …
Date:
March 17, 2006
Creator:
Barnett, D BRENT.; Williams, Bruce A.; Chou, Charissa J. & Hartman, Mary J.
Object Type:
Report
System:
The UNT Digital Library
Alaska Emergency Management and Homeland Security Statutory Authorities Summarized
This report is one of a series that profiles the emergency management and homeland security statutory authorities of the 50 states, the District of Columbia, the Commonwealth of the Northern Mariana Islands, the Commonwealth of Puerto Rico, and three territories (American Samoa, Guam, and the U.S. Virgin Islands). Each profile identifies the more significant elements of state statutes, generally as codified. This report focuses on the state of Alaska.
Date:
March 17, 2004
Creator:
Bea, Keith; Richardson, Pat; Runyon, L. Cheryl & Warnock, Kae M.
Object Type:
Report
System:
The UNT Digital Library
Arizona Emergency Management and Homeland Security Statutory Authorities Summarized
This report is one of a series that profiles the emergency management and homeland security statutory authorities of the 50 states, the District of Columbia, the Commonwealth of the Northern Mariana Islands, the Commonwealth of Puerto Rico, and three territories (American Samoa, Guam, and the U.S. Virgin Islands). Each profile identifies the more significant elements of state statutes, generally as codified. This report focuses on the state of Arizona.
Date:
March 17, 2004
Creator:
Bea, Keith; Richardson, Pat; Runyon, L. Cheryl & Warnock, Kae M.
Object Type:
Report
System:
The UNT Digital Library
Arkansas Emergency Management and Homeland Security Statutory Authorities Summarized
This report is one of a series that profiles the emergency management and homeland security statutory authorities of the 50 states, the District of Columbia, the Commonwealth of the Northern Mariana Islands, the Commonwealth of Puerto Rico, and three territories (American Samoa, Guam, and the U.S. Virgin Islands). Each profile identifies the more significant elements of state statutes, generally as codified. This report focuses on the state of Arkansas.
Date:
March 17, 2004
Creator:
Bea, Keith; Runyon, L. Cheryl & Warnock, Kae M.
Object Type:
Report
System:
The UNT Digital Library
California Emergency Management and Homeland Security Statutory Authorities Summarized
This report is one of a series that profiles the emergency management and homeland security statutory authorities of the 50 states, the District of Columbia, the Commonwealth of the Northern Mariana Islands, the Commonwealth of Puerto Rico, and three territories (American Samoa, Guam, and the U.S. Virgin Islands). Each profile identifies the more significant elements of state statutes, generally as codified. This report focuses on the state of California.
Date:
March 17, 2004
Creator:
Bea, Keith; Runyon, L. Cheryl & Warnock, Kae M.
Object Type:
Report
System:
The UNT Digital Library
Emergency Management and Homeland Security Statutory Authorities in the States, District of Columbia, and Insular Areas: A Summary
The National Conference of State Legislatures (NCSL), through a contract with the Congressional Research Service (CRS), compiled information in calendar year 2003 that was used to develop profiles of emergency management and homeland security statutes in the 50 states, the District of Columbia, and the insular areas. These profiles are published separately as CRS reports and are listed in the appendix to this report.
Date:
March 17, 2004
Creator:
Bea, Keith; Runyon, L. Cheryl & Warnock, Kae M.
Object Type:
Report
System:
The UNT Digital Library
The Grandview Tribune (Grandview, Tex.), Vol. 111, No. 28, Ed. 1 Friday, March 17, 2006
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
March 17, 2006
Creator:
Beck-Adams, Candie
Object Type:
Newspaper
System:
The Portal to Texas History