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17th Annual ALS Users' Association Meeting (open access)

17th Annual ALS Users' Association Meeting

It's not exactly Russian roulette, but scheduling October events outdoors is not risk-free, even in usually sunny California. An overflow crowd of more than 400 registered users, ALS staff, and vendors enjoyed a full indoor program featuring science highlights and workshops spread over two and a half days from October 18 to October 20. However, a major storm, heralding the onset of the San Francisco Bay Area rainy season, posed a few weather challenges for the events on the ALS patio.
Date: November 29, 2004
Creator: Robinson, Art & Tamura, Lori
Object Type: Article
System: The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 106, No. 200, Ed. 1 Monday, November 29, 2004 (open access)

Altus Times (Altus, Okla.), Vol. 106, No. 200, Ed. 1 Monday, November 29, 2004

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: November 29, 2004
Creator: Andrews, Mike
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Alvin Sun (Alvin, Tex.), Vol. 114, No. 95, Ed. 1 Monday, November 29, 2004 (open access)

The Alvin Sun (Alvin, Tex.), Vol. 114, No. 95, Ed. 1 Monday, November 29, 2004

Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date: November 29, 2004
Creator: Schwind, Jim & Looby, Edward
Object Type: Newspaper
System: The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 83, No. 359, Ed. 1 Monday, November 29, 2004 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 83, No. 359, Ed. 1 Monday, November 29, 2004

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: November 29, 2004
Creator: Cash, Wanda Garner
Object Type: Newspaper
System: The Portal to Texas History
Biomolecular Simulation Using Amber and CHARMM (open access)

Biomolecular Simulation Using Amber and CHARMM

This project supports the development of software using terascale computers to carry out molecular simulations of protein function and macromolecular interactions. We are building on the existing CHARMM and Amber simulation packages, adapting them in novel ways to massively parallel architectures and high-performance CPUs. Three principal avenues being pursued are: (1) Improvements in load-balancing and communication for large-scale particle-mesh Ewald (PME) simulations of solvated biomolecules. (2) Modern techniques for accelerating convergence of sampling of configuration space offer promise for further exploitation of massively parallel architectures. These methods include parallel tempering and ''lambda dynamics'' procedures that connect multiple, synchronized results from PME simulations like those described in part [1]. (3) The implementation of efficient and scalable algorithms that move towards lower-resolution models in ways that can be carefully calibrated against atomic-level solvated simulations.
Date: November 29, 2004
Creator: Case, David A. & Brooks, Charles L., III
Object Type: Report
System: The UNT Digital Library
Closeout Technical Report (open access)

Closeout Technical Report

We are conducting a collaborative research program on two tokamaks, HT-7 and EAST (Experimental Advanced Superconducting Tokamak, formerly HT-7U), with the Institute of Plasma Physics of the Chinese Academy of Sciences (CASIPP) located in Hefei, PRC. The work that we planned for this year included conducting transport experiments on HT-7, completing plans for expansion of the HT-7 diagnostic set, and reaching an agreement on how UT-FRC can best participate in experiments on HT-7U. These goals were accomplished as summarized in the next section. Note that the experimental portion of the work is still underway. The experimental campaign for HT-7 began just a few weeks before this report was compiled.
Date: November 29, 2004
Creator: Gentle, Kenneth W., Dr.
Object Type: Report
System: The UNT Digital Library
Design of a Multi-Channel Ultra-High Resolution Superconducting Gamma-Ray Spectrometer (open access)

Design of a Multi-Channel Ultra-High Resolution Superconducting Gamma-Ray Spectrometer

Superconducting Gamma-ray microcalorimeters operated at temperatures around {approx}0.1 K offer an order of magnitude improvement in energy resolution over conventional high-purity Germanium spectrometers. The calorimeters consist of a {approx}1 mm{sup 3} superconducting or insulating absorber and a sensitive thermistor, which are weakly coupled to a cold bath. Gamma-ray capture increases the absorber temperature in proportion to the Gamma-ray energy, this is measured by the thermistor, and both subsequently cool back down to the base temperature through the weak link. We are developing ultra-high-resolution Gamma-ray spectrometers based on Sn absorbers and superconducting Mo/Cu multilayer thermistors for nuclear non-proliferation applications. They have achieved an energy resolution between 60 and 90 eV for Gamma-rays up to 100 keV. We also build two-stage adiabatic demagnetization refrigerators for user-friendly detector operation at 0.1 K. We present recent results on the performance of single pixel Gamma-ray spectrometers, and discuss the design of a large detector array for increased sensitivity.
Date: November 29, 2004
Creator: Friedrich, S.; Terracol, S. F.; Miyazaki, T.; Drury, O. B.; Ali, Z. A.; Cunningham, M. F. et al.
Object Type: Article
System: The UNT Digital Library
Egypt-United States Relations (open access)

Egypt-United States Relations

This report summarizes the focus of U.S.-Egyptian relations in terms of security policy and maintaining the 1979 Egyptian-Israeli peace-treaty. Moreover, the report suggests the importance of sustaining the relationship to protect U.S. interests, but also the cost of the relationship that is displayed in the $2 billion in economic and military assistance the U.S. provides Egypt with annually.
Date: November 29, 2004
Creator: Mark, Clyde R.
Object Type: Report
System: The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Monday, November 29, 2004 (open access)

The Express-Star (Chickasha, Okla.), Ed. 1 Monday, November 29, 2004

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: November 29, 2004
Creator: Bush, Kent
Object Type: Newspaper
System: The Gateway to Oklahoma History
High Gradient Induction Cell (open access)

High Gradient Induction Cell

A concept being developed for high current electron beams may have application to HEDP and is described here. It involves the use of planar Blumlein stacks placed inside an induction cell. The output end of the Blumlein stack is applied across a high gradient insulator (HGI). These insulators have been used successfully in the presence of kilo Ampere-level electron beam currents for tens of nanoseconds at gradients of 20 MV/meter.
Date: November 29, 2004
Creator: Caporaso, G J
Object Type: Article
System: The UNT Digital Library
Initial results of a positron tomograph for prostate imaging (open access)

Initial results of a positron tomograph for prostate imaging

We present the status and initial images of a positrontomograph for prostate imaging that centers a patient between a pair ofexternal curved detector banks (ellipse: 45 cm minor, 70 cm major axis).The distance between detector banks adjusts to allow patient access andto position the detectors as closely as possible for maximum sensitivitywith patients of various sizes. Each bank is composed of two axial rowsof 20 CTI PET Systems HR+ block detectors for a total of 80 modules inthe camera. Compared to an ECAT HR PET system operating in 3D mode, ourcamera uses about one-quarter the number of detectors and hasapproximately the same sensitivity for a central point source, becauseour detectors are close to the patient. The individual detectors areangled in the plane to point towards the prostate to minimize resolutiondegradation in that region. The detectors are read out by modified CTIdata acquisition electronics. We have completed construction of thegantry and electronics, have developed detector calibration and dataacquisition software, and are taking coincidence data. We demonstratethat we can clearly visualize a "prostate" in a simple phantom.Reconstructed images of two phantoms are shown.
Date: November 29, 2004
Creator: Huber, J. S.; Choong, W. S.; Moses, W. W.; Qi, J.; Hu, J.; Wang, G. C. et al.
Object Type: Article
System: The UNT Digital Library
Internet Gambling: A Sketch of Legislative Proposals in the 108th Congress (open access)

Internet Gambling: A Sketch of Legislative Proposals in the 108th Congress

None
Date: November 29, 2004
Creator: Doyle, Charles
Object Type: Report
System: The UNT Digital Library
Internet Gambling: An Abridged Overview of Federal Criminal Law (open access)

Internet Gambling: An Abridged Overview of Federal Criminal Law

None
Date: November 29, 2004
Creator: Doyle, Charles
Object Type: Report
System: The UNT Digital Library
Internet Gambling: Overview of Federal Criminal Law (open access)

Internet Gambling: Overview of Federal Criminal Law

This a brief summary of the federal criminal status implicated by conducting illegal gambling using the Internet. It also discusses some of the constitutional issues associated with prosecuting illegal Internet gambling.
Date: November 29, 2004
Creator: Doyle, Charles
Object Type: Report
System: The UNT Digital Library
Internet Gambling: Overview of Federal Criminal Law (open access)

Internet Gambling: Overview of Federal Criminal Law

This report is a brief summary of the federal criminal status implicated by conducting illegal gambling using the internet. It also discusses some of the constitutional issues associated with prosecuting illegal internet gambling.
Date: November 29, 2004
Creator: Doyle, Charles
Object Type: Report
System: The UNT Digital Library
Iran: U.S. Concerns and Policy Responses (open access)

Iran: U.S. Concerns and Policy Responses

None
Date: November 29, 2004
Creator: Katzman, Kenneth
Object Type: Report
System: The UNT Digital Library
Israeli-United States Relations (open access)

Israeli-United States Relations

None
Date: November 29, 2004
Creator: Mark, Clyde R.
Object Type: Report
System: The UNT Digital Library
[Letter from Sherry Tanklsey to Larcine Bland, November 29, 2004] (open access)

[Letter from Sherry Tanklsey to Larcine Bland, November 29, 2004]

Letter from Sherry Tanksley to Larcine Bland inviting Bland to the annual volunteer appreciation celebration hosted by the Black Academy of Arts and Letters on December 4, 2004.
Date: November 29, 2004
Creator: Tanksley, Sherry
Object Type: Letter
System: The UNT Digital Library
Libya (open access)

Libya

This report includes information regarding U.S. relations with Libya as well as other Libyan foreign relations and government.
Date: November 29, 2004
Creator: Mark, Clyde R.
Object Type: Report
System: The UNT Digital Library
[List of TDNA board members and terms served] (open access)

[List of TDNA board members and terms served]

A complete list of Texas Daily Newspaper Associations members and their terms, if available, that they have served as board officers or directors. The list begins in 1985 and go until 2005.
Date: November 29, 2004
Creator: Texas Daily Newspaper Association
Object Type: Text
System: The UNT Digital Library
Military Personnel: DOD Needs to Strengthen the Annual Review and Certification of Military Personnel Obligations (open access)

Military Personnel: DOD Needs to Strengthen the Annual Review and Certification of Military Personnel Obligations

Correspondence issued by the Government Accountability Office with an abstract that begins "Each year, Congress appropriates billions of dollars to pay and support U.S. military personnel at home and overseas. In fiscal year 2003, military personnel (MILPERS) appropriations amounted to more than $109 billion. Once the funds are appropriated, the military services are responsible for ensuring that the funds are properly obligated and disbursed. Their end-of-the-fiscal-year review is critical to the next year's budget formulation process because the services use the obligations for the most recent fiscal year completed as a point of reference in developing their new budgets, and Congress uses this information as a point of comparison in its review of the new budget requests. In our prior work for the House and Senate appropriation and authorization committees, reviewing the services' budget justifications, we found that although the services were conducting annual reviews and certifications, the services did not review transactions by matching obligations to individual disbursements in all of the years that disbursements can occur, as required by the Department of Defense (DOD) Financial Management Regulation. We also found that the services disbursed some obligations for purposes other than those reported in their budget submission, but their …
Date: November 29, 2004
Creator: United States. Government Accountability Office.
Object Type: Text
System: The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 88, No. 69, Ed. 1 Monday, November 29, 2004 (open access)

The Oklahoma Daily (Norman, Okla.), Vol. 88, No. 69, Ed. 1 Monday, November 29, 2004

Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date: November 29, 2004
Creator: Warren, Lee B.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Parallel Implementation and Scaling of an Adaptive Mesh Discrete Ordinates Algorithm for Transport (open access)

Parallel Implementation and Scaling of an Adaptive Mesh Discrete Ordinates Algorithm for Transport

Block-structured adaptive mesh refinement (AMR) uses a mesh structure built up out of locally-uniform rectangular grids. In the BoxLib parallel framework used by the Raptor code, each processor operates on one or more of these grids at each refinement level. The decomposition of the mesh into grids and the distribution of these grids among processors may change every few timesteps as a calculation proceeds. Finer grids use smaller timesteps than coarser grids, requiring additional work to keep the system synchronized and ensure conservation between different refinement levels. In a paper for NECDC 2002 I presented preliminary results on implementation of parallel transport sweeps on the AMR mesh, conjugate gradient acceleration, accuracy of the AMR solution, and scalar speedup of the AMR algorithm compared to a uniform fully-refined mesh. This paper continues with a more in-depth examination of the parallel scaling properties of the scheme, both in single-level and multi-level calculations. Both sweeping and setup costs are considered. The algorithm scales with acceptable performance to several hundred processors. Trends suggest, however, that this is the limit for efficient calculations with traditional transport sweeps, and that modifications to the sweep algorithm will be increasingly needed as job sizes in the thousands of …
Date: November 29, 2004
Creator: Howell, L H
Object Type: Article
System: The UNT Digital Library
Party Leaders in the House: Election, Duties, and Responsibilities (open access)

Party Leaders in the House: Election, Duties, and Responsibilities

Each major party in the House has a leadership hierarchy. This report summarizes the election, duties, and responsibilities of the Speaker of the House, the majority and minority leaders, and the whips and whip system.
Date: November 29, 2004
Creator: Heitshusen, Valerie
Object Type: Report
System: The UNT Digital Library