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[Project Summary: Deepwater Program: The Technology and Economics of Deepwater Production Projects]
Report summary describing the work completed at ABS Group, Inc. for 'Deepwater Program: The Technology and Economics of Deepwater Production Projects'. It includes background information on the project funding and sponsorship, goals, methodology, and findings.
Date:
May 2004
Creator:
ABS Group, Inc.
System:
The UNT Digital Library
Archaeological Survey Within the Proposed McDermott Development Site
Archaeological survey results for proposed 33 acre McDermott Development Site in Collin County, Texas.
Date:
January 26, 2006
Creator:
AR Consultants
System:
The Portal to Texas History
RadHeat V1 User's Manual
RadHeat is a one dimensional finite difference heat transfer code that can determine the transient temperature evolution of layered targets in pulsed penetrating radiation environments. It makes use of energy dependent opacity and stopping data to model the volumetric deposition of any number of photon or ion spectra each incident at arbitrary angles. Convective and radiative boundary conditions are handled as well as the ability to impose any initial temperature profile. The heat diffusion equation is formulated implicitly to eliminate timestep dependent stability issues. Simulations are, therefore, able to achieve high fidelity during times of thermal activity and greater speed elsewhere. The prototypical physical situation simulated by RadHeat is illustrated. RadHeat was originally written to study the temperature response of tungsten-armored target-facing walls to the pulsed photon and ion radiation emanating from fusion microexplosions in future IFE power plants. RadHeat's implementation is quite general, though, and the code can be applied to a very broad range of problems. Anything from the heating of the Earth's crust on a warm summer day to the temperature rise in a mirror after a laser pulse could potentially be modeled. This manual was written to help new users learn how to run the code …
Date:
January 3, 2005
Creator:
Abbott, R P
System:
The UNT Digital Library
Polycube Oxidation and Factors Affecting the Concentrations of Gaseous Products
The degraded polycube samples were tested in air and argon/oxygen atmospheres to determine the effect of size increase on the flammable gases concentrations. Within the size range tested, the flammable gas generation rate increases with increasing size but the extrapolation of the data to actual processing polycube size yielded flammable gas species concentration in the off-gas stream below the lower flammable limit of all the major gas species identified. Extreme surface area increase with a powder sample showed no significant effect on the flammable gas generation rate. The polycube went through the thermal stabilization process by undergoing both pyrolysis and oxidation generating at the end a plutonium oxide powder that showed unmeasurable weight change at 1273 K.
Date:
April 4, 2000
Creator:
Abrefah, John; MacFarlan, Paul J. & Sell, Rachel L.
System:
The UNT Digital Library
Merlot Design
We describe Merlot, a system for delivery of digital imagery over high speed networks. We describe various use cases, the client/server interaction, and the image and network codecs. We also describe some possible applications using Merlot and future work.
Date:
June 10, 2003
Creator:
Ahern, S D
System:
The UNT Digital Library
Portable and Transparent Message Compression in MPI Libraries to Improve the Performance and Scalability of Parallel Applications
The goal of this project has been to develop a lossless compression algorithm for message-passing libraries that can accelerate HPC systems by reducing the communication time. Because both compression and decompression have to be performed in software in real time, the algorithm has to be extremely fast while still delivering a good compression ratio. During the first half of this project, they designed a new compression algorithm called FPC for scientific double-precision data, made the source code available on the web, and published two papers describing its operation, the first in the proceedings of the Data Compression Conference and the second in the IEEE Transactions on Computers. At comparable average compression ratios, this algorithm compresses and decompresses 10 to 100 times faster than BZIP2, DFCM, FSD, GZIP, and PLMI on the three architectures tested. With prediction tables that fit into the CPU's L1 data acache, FPC delivers a guaranteed throughput of six gigabits per second on a 1.6 GHz Itanium 2 system. The C source code and documentation of FPC are posted on-line and have already been downloaded hundreds of times. To evaluate FPC, they gathered 13 real-world scientific datasets from around the globe, including satellite data, crash-simulation data, and …
Date:
April 17, 2009
Creator:
Albonesi, David & Burtscher, Martin
System:
The UNT Digital Library
Microchannel Cooled Edge Cladding to Establish an Adiabatic Boundary Condition in a Slab Laser
The present invention provides an edge cladding for a slab laser, the edge cladding comprising a cooling channel system therein.
Date:
May 18, 2004
Creator:
Albrecht, Georg F.; Beach, Raymond J. & Solarz, Richard W.
System:
The UNT Digital Library
Landfill Gas Emissions Model (LandGEM) Version 3.02 User's Guide
This guide provides step-by-step guidance for using the LandGEM software application, as well as an appendix containing background information on the technical basis of the software.
Date:
May 2005
Creator:
Alexander, Amy; Burklin, Clint & Singleton, Amanda
System:
The UNT Digital Library
ESpotlite
This document focuses attention on emissions trading and greenhouse gases by providing internet links to governmental sites affiliated with emissions trading, government agencies, and other miscellaneous sites.
Date:
February 2008
Creator:
American Reference Center United States Embassy Wellington
System:
The UNT Digital Library
Biological Water-Gas Shift Conversion of Carbon Monoxide to Hydrogen: Milestone Completion Report
This report summarizes the results of research and economic analysis on a biological water-gas shift process for the production of hydrogen. The organism Rubrivivax gelatinosus CBS is a photosynthetic bacteria which can perform the water-gas shift reaction under anaerobic conditions. The report describes some of the technical issues regarding the process, addresses some claimed benefits of the process and presents some results from economic studies of different process configurations.
Date:
January 1, 2004
Creator:
Amos, W. A.
System:
The UNT Digital Library
Updated Cost Analysis of Photobiological Hydrogen Production from Chlamydomonas reinhardtii Green Algae: Milestone Completion Report
This report updates the 1999 economic analysis of NREL's photobiological hydrogen production from Chlamydomonas reinhardtii. The previous study had looked mainly at incident light intensities, batch cycles and light adsorption without directly attempting to model the saturation effects seen in algal cultures. This study takes a more detailed look at the effects that cell density, light adsorption and light saturation have on algal hydrogen production. Performance estimates based on actual solar data are also included in this study. Based on this analysis, the estimated future selling price of hydrogen produced from algae ranges $0.57/kg to $13.53/kg.
Date:
January 1, 2004
Creator:
Amos, Wade A.
System:
The UNT Digital Library
MPSA 2004 Final Report
This proposal was to support a portion of the costs of Methods in Protein Structure Analysis 2004 (MPSA2004). MPSA2004 was the 15th in the series of MPSA international conferences on protein structure analysis that began in 1974. MPSA2004 was held on the campus of the University of Washington, Seattle, WA August 29 through September 2, 2004. Twenty-four internationally recognized speakers gave invited presentations; additional participants were chosen to present short talks in the 10 topics that were addressed. The aim of MPSA conferences is to communicate the latest, cutting-edge techniques in protein structure analysis and proteomics through science success stories as told by the scientific leaders who developed the technologies. Biotechnology vendors are present to explain currently available commercial technology through workshops and demonstrations booths. The overall aim is to provide a forum for exchanging the latest methods and ideas in protein structure analysis and proteomics to current and future practitioners. The conference supported the missions of the DOE Office of Science and the Office of Biological and Environmental Research (BER) in at least two ways: by enabling the above forum, and by encouraging young researchers who might otherwise not attend to meet leading researchers and to learn about the …
Date:
February 18, 2006
Creator:
Anderson, Carl W.
System:
The UNT Digital Library
Materials and Process Design for High-Temperature Carburizing: Integrating Processing and Performance
The objective of the project is to develop an integrated process for fast, high-temperature carburizing. The new process results in an order of magnitude reduction in cycle time compared to conventional carburizing and represents significant energy savings in addition to a corresponding reduction of scrap associated with distortion free carburizing steels.
Date:
July 23, 2007
Creator:
Apelian, D.
System:
The UNT Digital Library
Formulation of Moist Dynamics and Physics for Future Climate Models
In this project, one of our goals is to develop atmospheric models, in which innovative ideas on improving the quality of moisture predictions can be tested. Our other goal is to develop an explicit time integration scheme based on the multi-point differencing that does the same job as an implicit trapezoidal scheme but uses information only from limited number of grid points.
Date:
April 30, 2008
Creator:
Arakwa, Celal S. Konor and Akio
System:
The UNT Digital Library
Effect of the Oil and Gas Industry on Commuting and Migration Patterns in Louisiana: 1960-1990
A summary of the employment effect of the oil and gas industry at the parish level.
Date:
December 2002
Creator:
Aratame, Natsumi & Singelmann, Joachim
System:
The UNT Digital Library
Socioeconomic Baseline Study for the Gulf of Mexico; Final Report: Description of the Dataset, 1930-1990
A collection of data to identify counties/parishes across the five Gulf of Mexico states affected by offshore activities.
Date:
September 2002
Creator:
Aratame, Natsumi & Singelmann, Joachim
System:
The UNT Digital Library
Obligate autotrophy in the ammonia oxidizing bacterium Nitrosomonas europaea.
Closing report for project DOE-FG02-03ER15436. The project studied obligate autotrophy in the ammonia oxidizing bacterium Nitrosomonas europaea. Nitrosomonas europaea can obtain all of its energy and reductant for growth from the oxidation of ammonia to nitrite and is, therefore, classified as a chemolithotroph. This bacterium is also an autotroph, which can derive all cellular carbon from carbon dioxide. N. europaea seems incapable of growth with other carbon or energy sources. This restricted capability is surprising given that ammonia is a poor energy source. The main goal of the project was to examine the basis of autotrophy in N. europaea or, thought of another way, to determine the barriers to heterotrophy. The approach was enabled by the N. europaea genome sequence, stimulating new ways of thinking about this physiological paradox—an insistence on a single, albeit poor, energy source. Objective 1 was to examine the expression and regulation of the genes coding for alpha-ketoglutarate dehydrogenase, determine if the enzyme’s activity is present, and determine whether alteration of the expression levels influences autotrophic growth. Although Nitrosomonas europaea lacks measurable alpha-ketoglutarate dehydrogenase activity, the genome sequence revealed the presence of the genes encoding the enzyme. A knockout mutation was created in the sucA gene …
Date:
January 1, 2006
Creator:
Arp, Daniel James & Sayavedra-Soto, Luis Alberto
System:
The UNT Digital Library
[Project Summary: Deepwater Program: Literature Review, Environmental Risks of Chemical Products Used in Gulf of Mexico Deepwater Oil and Gas Operations]
Summary describing the work completed at Arthur D. Little, Inc. for Literature Review, Environmental Risks of Chemical Products Used in Gulf of Mexico Deepwater Oil and Gas Operations. It includes background information on the project funding and sponsorship, goals, methodology, and findings.
Date:
January 2001
Creator:
Arthur D. Little, Inc.
System:
The UNT Digital Library
League of Women Voters: Water Pollution Survey
None
Date:
January 24, 2002
Creator:
Aspen Market Research
System:
The UNT Digital Library
HADES User's Manual
HADES is a computer code that simulates transmission radiography through a mesh and/or solid bodies. This code is a successor to an old code called XRAY. HADES is designed to be backward compatible with XRAY (i.e. it will accept and correctly parse XRAY input decks), but HADES has many more features that greatly enhance its versatility and its simulation of experimental effects. HADES can simulate X-Ray radiography, neutron radiography or GeV proton radiography using ray-tracing techniques. A short article has been published which discusses HADES' capabilities. HADES also has some capability for simulating pinhole imaging and backlight imaging. The best way to obtain HADES is to ask one of the authors for a copy. This manual covers all features in version 2.5.0 of HADES.
Date:
December 26, 2002
Creator:
Aufderheide, M B; Slone, D M & Schach Von Wittenau, A E
System:
The UNT Digital Library
History of the Offshore Oil and Gas Industry in Southern Louisiana
A report detailing the history of the offshore petroleum industry in Southern Louisiana, including accounts from people who were present.
Date:
September 2008
Creator:
Austin, Diane E.
System:
The UNT Digital Library
History of the Offshore Oil and Gas Industry in Southern Louisiana
A report detailing the history of the offshore oil and gas industry in Southern Louisiana, including a compilation of photographs, diagrams, and other visual images that were collected during the study.
Date:
September 2008
Creator:
Austin, Diane E. & Gaines, Justin
System:
The UNT Digital Library
Social and Economic Impacts of Outer Continental Shelf Activities on Individuals and Families, Volume 1: Final Report
The final report of a study examining the nature of OCS-related work and its impacts on the lifestyles of individuals and families and on the communities in which they live.
Date:
July 2002
Creator:
Austin, Diane; Coelho, Karen; Gardner, Andrew; Higgins, Rylan & McGuire, Tom
System:
The UNT Digital Library
Social and Economic Impacts of Outer Continental Shelf Activities on Individuals and Families, Volume 2: Case Studies of Morgan City and New Iberia, Louisiana
A report of a study which examined the nature of OCS-related work and its impacts on the lifestyle of individuals and families and on the communities in which they live, including case studies of Morgan City and New Iberia, Louisiana.
Date:
July 2002
Creator:
Austin, Diane; Gardner, Andrew; Higgins, Rylan; Schrag-James, Jennifer; Sparks, Shannon & Stauber, Leah
System:
The UNT Digital Library