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A Super-Conducting Linac as a new Injector to the BNL-AGS
N/A
Date:
February 1, 2001
Creator:
A., Ruggiero
Object Type:
Report
System:
The UNT Digital Library
Approximate ad-hoc query engine for simulation data
In this paper, we describe AQSim, an ongoing effort to design and implement a system to manage terabytes of scientific simulation data. The goal of this project is to reduce data storage requirements and access times while permitting ad-hoc queries using statistical and mathematical models of the data. In order to facilitate data exchange between models based on different representations, we are evaluating using the ASCI common data model which is comprised of several layers of increasing semantic complexity. To support queries over the spatial-temporal mesh structured data we are in the process of defining and implementing a grammar for MeshSQL.
Date:
February 1, 2001
Creator:
Abdulla, G.; Baldwin, C.; Critchlow, T.; Kamimura, R.; Lozares, I.; Musick, R. et al.
Object Type:
Article
System:
The UNT Digital Library
EARLY ENTRANCE COPRODUCTION PLANT
The overall objective of this project is the three phase development of an Early Entrance Coproduction Plant (EECP) which produces at least one product from at least two of the following three categories: (1) electric power (or heat), (2) fuels, and (3) chemicals. The objective is to have these products produced by technologies capable of using synthesis gas derived from coal and/or other carbonaceous feedstocks. The objective of Phase I is to determine the feasibility and define the concept for the EECP located at a specific site and to develop a Research, Development, and Testing Plan (RD and T) for implementation in Phase II. The objective of Phase II is to implement the RD and T as outlined in the Phase I RD and T Plan to enhance the development and commercial acceptance of coproduction technology that produces high-value products, particularly those that are critical to our domestic fuel and power requirements. The project will resolve critical knowledge and technology gaps on the integration of gasification and downstream processing to coproduce some combination of power, fuels, and chemicals from coal and/or other carbonaceous feedstocks. The objective of Phase III is to develop an engineering design package and a financing plan …
Date:
February 15, 2001
Creator:
Abughazaleh, John S.; Ahmed, Mushtaq; Anand, Ashok; Anderson, John H.; Benham, Charles; Brent, Fred D. et al.
Object Type:
Report
System:
The UNT Digital Library
Network aware distributed applications
Most distributed applications today manage to utilize only a small percentage of the needed and available network bandwidth. Often application developers are not aware of the potential bandwidth of the network, and therefore do not know what to expect. Even when application developers are aware of the specifications of the machines and network links, they have few resources that can help determine why the expected performance was not achieved. What is needed is a ubiquitous and easy-to-use service that provides reliable, accurate, secure, and timely estimates of dynamic network properties. This service will help advise applications on how to make use of the network's increasing bandwidth and capabilities for traffic shaping and engineering. When fully implemented, this service will make building currently unrealizable levels of network awareness into distributed applications a relatively mundane task. For example, a remote data visualization application could choose between sending a wireframe, a pre-rendered image, or a 3-D representation, based on forecasts of CPU availability and power, compression options, and available bandwidth. The same service will provide on-demand performance information so that applications can compare predicted with actual results, and allow detailed queries about the end-to-end path for application and network tuning and debugging.
Date:
February 4, 2001
Creator:
Agarwal, Deborah; Tierney, Brian L.; Gunter, Dan; Lee, Jason & Johnston, William
Object Type:
Article
System:
The UNT Digital Library
Characterizing the fabric of the urban environment: A case study of Salt Lake City, Utah
Urban fabric data are needed in order to estimate the impact of light-colored surfaces (roofs and pavements) and urban vegetation (trees, grass, shrubs) on the meteorology and air quality of a city, and to design effective implementation programs. In this report, we discuss the result of a semi-automatic Monte-Carlo statistical approach used to develop data on surface-type distribution and city-fabric makeup (percentage of various surface-types) using aerial color orthophotography. The digital aerial photographs for Salt Lake City covered a total of about 34 km2 (13 mi2). At 0.50-m resolution, there were approximately 1.4 x 108 pixels of data. Four major land-use types were examined: (1) commercial, (2) industrial, (3) educational, and (4) residential. On average, for the areas studied, vegetation covers about 46 percent of the area (ranging 44-51 percent), roofs cover about 21 percent (ranging 15-24 percent), and paved surfaces about 26 percent (ranging 21-28 percent). For the most part, trees shade streets, parking lots, grass, and sidewalks. In most non-residential areas, paved surfaces cover 46-66 percent of the area. In residential areas, on average, paved surfaces cover about 32 percent of the area. Land-use/land-cover (LU/LC) data from the United States Geological Survey were used to extrapolate these results …
Date:
February 28, 2001
Creator:
Akbari, Hashem & Rose, L. Shea
Object Type:
Report
System:
The UNT Digital Library
Oral History Interview with William J. Bates, February 7, 2001
Access:
Use of this item is restricted to the UNT Community
Interview with Navy veteran William J. Bates including personal experiences about the Pacific Theater during World War II, youth and education, the Navy Aviation Cadet Program, flight training, leaving naval aviation and attending Midshipman's School, being assigned to APc-21, operations off the coast of New Guinea with the VII Amphibious Force, providing escort duty for LCTs during assaults along the coast of New Guinea, the sinking of APc-21 by Japanese planes off New Britain Island, recuperating in New Guinea, returning to the States and being assigned to ATR-22, transferring to fleet tug ARA-182 as commanding officer, having convoy duty in the South Pacific, riding out a typhoon, disposing of Navy equipment after the war, and returning to the States.
Date:
February 7, 2001
Creator:
Alexander, William J. & Bates, William J.
Object Type:
Book
System:
The UNT Digital Library
Secure, efficient data transport and replica management for high-performance data-intensive computing.
An emerging class of data-intensive applications involve the geographically dispersed extraction of complex scientific information from very large collections of measured or computed data. Such applications arise, for example, in experimental physics, where the data in question is generated by accelerators, and in simulation science, where the data is generated by supercomputers. So-called Data Grids provide essential infrastructure for such applications, much as the Internet provides essential services for applications such as e-mail and the Web. We describe here two services that we believe are fundamental to any Data Grid: reliable, high-speed transport and replica management. Our high-speed transport service, GridFTP, extends the popular FTP protocol with new features required for Data Grid applications, such as striping and partial file access. Our replica management service integrates a replica catalog with GridFTP transfers to provide for the creation, registration, location, and management of dataset replicas. We present the design of both services and also preliminary performance results. Our implementations exploit security and other services provided by the Globus Toolkit.
Date:
February 23, 2001
Creator:
Allcock, B.; Bester, J.; Bresnahan, J.; Chervenak, A.L.; Foster, I.; Kesselman, C. et al.
Object Type:
Article
System:
The UNT Digital Library
Chemical aspects of actinides in the geosphere: towards a rational nuclear materials management
A complete understanding of actinide interactions in the geosphere is paramount for developing a rational Nuclear and Environmental Materials Management Policy. One of the key challenges towards understanding the fate and transport of actinides is determining their speciation (i.e., oxidation state and structure). Since an element's speciation directly dictates physical properties such as toxicity and solubility, this information is critical for evaluating and controlling the evolution of an actinide element through the environment. Specific areas within nuclear and environmental management programs where speciation is important are (1) waste processing and separations; (2) wasteform materials for long-term disposition; and (3) aqueous geochemistry. The goal of this project was to develop Actinide X-ray Absorption Spectroscopy ( U S ) as a core capability at LLNL and integrate it with existing facilities, providing a multi-technique approach to actinide speciation. XAS is an element-specific structural probe which determines the oxidation state and structure for most atoms. XAS can be more incisive than other spectroscopies because it originates from an atomic process and the information is always attainable, regardless of an element's speciation. Despite the utility, XAS is relatively complex due to the need for synchrotron radiation and significant expertise with data acquisition and analysis. …
Date:
February 9, 2001
Creator:
Allen, P & Sylwester, E
Object Type:
Report
System:
The UNT Digital Library
Congressional Record: Its Production, Distribution, and Accessibility
This report provides information about the Production, Distribution, and Accessibility of Congressional Record. The Congressional Record is the most widely published account of the debates and activities in congress.
Date:
February 7, 2001
Creator:
Amer, Mildred
Object Type:
Report
System:
The UNT Digital Library
A User’s Guide to the Congressional Record
This report provides a user's guide to the proceedings of the House and Senate, the proceedings of the House and Senate.
Date:
February 7, 2001
Creator:
Amer, Mildred
Object Type:
Report
System:
The UNT Digital Library
Southwest Retort, Volume 53, Number 6, February 2001
This publication of the Dallas-Fort Worth Section of the American Chemical Society includes information about research, prominent scientist, organizational business, and various other stories of interest to the community.
Date:
February 2001
Creator:
American Chemical Society. Dallas/Fort Worth Section.
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
The Integrated Waste Tracking System - A Flexible Waste Management Tool
The US Department of Energy (DOE) Idaho National Engineering and Environmental Laboratory (INEEL) has fully embraced a flexible, computer-based tool to help increase waste management efficiency and integrate multiple operational functions from waste generation through waste disposition while reducing cost. The Integrated Waste Tracking System (IWTS)provides comprehensive information management for containerized waste during generation,storage, treatment, transport, and disposal. The IWTS provides all information necessary for facilities to properly manage and demonstrate regulatory compliance. As a platformindependent, client-server and Web-based inventory and compliance system, the IWTS has proven to be a successful tracking, characterization, compliance, and reporting tool that meets the needs of both operations and management while providing a high level of management flexibility.
Date:
February 1, 2001
Creator:
Anderson, Robert Stephen
Object Type:
Article
System:
The UNT Digital Library
Magnetic measurement results of Tevatron electron lens
None
Date:
February 1, 2001
Creator:
Andriischin, A.
Object Type:
Article
System:
The UNT Digital Library
CO-FIRING COAL: FEEDLOT AND LITTER BIOMASS FUELS
The following are proposed activities for quarter 2 (9/15/00-12/14/00): (1) Conduct TGA and fuel characterization studies--Task 1; (2) Perform re-burn experiments--Task 2; (3) Fabricate fixed bed gasifier/combustor--Task 3; and (4) Modify the 3D combustion modeling code for feedlot and litter fuels--Task 4. The following were achieved During Quarter 2 (9/15/00-12/14/00): (1) The chicken litter has been obtained from Sanderson farms in Denton, after being treated with a cyclonic dryer. The litter was then placed into steel barrels and shipped to California to be pulverized in preparation for firing. Litter samples have also been sent for ultimate/proximate laboratory analyses.--Task 1; (2) Reburn-experiments have been conducted on coal, as a base case for comparison to litter biomass. Results will be reported along with litter biomass as reburn fuel in the next report--Task 2; (3) Student has not yet been hired to perform task 3. Plans are ahead to hire him or her during quarter No. 3; and (4) Conducted a general mixture fraction model for possible incorporation in the code.
Date:
February 5, 2001
Creator:
Annamalai, Dr. Kalyan; Sweeten, Dr. John & Mukhtar, Dr. Sayeed
Object Type:
Report
System:
The UNT Digital Library
Individuals with Disabilities Education Act (IDEA): Issues Regarding "Full Funding" of Part B Grants to States
Congressional Research Service (CRS) report entailing information about issues regarding "full funding" of Part B grants to states in regards to the Individuals with Disabilities Education Act (IDEA). Topics include, the current funding formula, distributional issues, the cost of special education etc..
Date:
February 15, 2001
Creator:
Apling, Richard N.
Object Type:
Report
System:
The UNT Digital Library
Daily Oklahoman Exhibit
Photograph used for the "50 Years of Photo Journalism at the Daily Oklahoman Exhibit," at the Oklahoma Historical Society.
Date:
February 22, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Daily Oklahoman Exhibit
Photograph used for the "50 Years of Photo Journalism at the Daily Oklahoman Exhibit," at the Oklahoma Historical Society.
Date:
February 22, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Daily Oklahoman Exhibit
Photograph used for the "50 Years of Photo Journalism at the Daily Oklahoman Exhibit," at the Oklahoma Historical Society.
Date:
February 22, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Daily Oklahoman Exhibit
Photograph used for the "50 Years of Photo Journalism at the Daily Oklahoman Exhibit," at the Oklahoma Historical Society.
Date:
February 22, 2001
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Restoring 1st Century Christianity in the 1st Century - Part 1
Lecture given Tuesday, February 20, 2001, 8:30 AM at Abilene Christian University: "Luke's call back to the basics of the church in his era offers some interesting challenges for the church in our era."
Date:
February 20, 2001
Creator:
Ash, Tony
Object Type:
Sound
System:
The Portal to Texas History
Restoring 1st Century Christianity in the 1st Century - Part 2
Lecture given Tuesday, February 20, 2001, 9:45 AM at Abilene Christian University: "Luke's call back to the basics of the church in his era offers some interesting challenges for the church in our era."
Date:
February 20, 2001
Creator:
Ash, Tony
Object Type:
Sound
System:
The Portal to Texas History
Restoring 1st Century Christianity in the 1st Century - Part 3
Lecture given Tuesday, February 20, 2001, 3:30 PM at Abilene Christian University: "Luke's call back to the basics of the church in his era offers some interesting challenges for the church in our era."
Date:
February 20, 2001
Creator:
Ash, Tony
Object Type:
Sound
System:
The Portal to Texas History
Molecular Organization in the Native State of Wood Cell Walls: Studies of Nanoscale Structure and its Development
With respect to cell wall biogenesis we have developed a theory concerning the formation of lignin in which the regulation of structure is attributed to the hemicelluloses; they are viewed as templates for the assembly of lignin. The key supporting evidence is derived from the symmetry of annual rings in trees free of reaction wood. This symmetry is interpreted to point to genetic encoding as the dominant factor in the pattern of interunit linkages in lignin. More recently, we have explored further the implications of annual ring symmetries within the contexts of systems and information theory and theories of organization of hierarchic structures. This has led us to proposed a unifying model for cell wall biogenesis that comprehends cell wall polysaccharides as well as lignin. The model is based on examining the implications of symmetries and of hierarchic relationships between different levels of structure, with respect to synchrony and coordination of the stages of formation of the individual constituents.
Date:
February 1, 2001
Creator:
Atalla, R. H.
Object Type:
Report
System:
The UNT Digital Library
Atmospheric Radiation Measurement Program Facilities Newsletter, January 2001.
Monthly newsletter discussing news and activities related to the Atmospheric Radiation Measurement Program, articles about weather and atmospheric phenomena, and other related topics.
Date:
February 5, 2001
Creator:
Atmospheric Radiation Measurement Program (U.S.)
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library