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807 Matching Results
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A 3.3 MJ, Rb{sup +1} Driver Design Based on an Integrated Systems Analysis
A computer model for systems analysis of heavy ion drivers has been developed and used to evaluate driver designs for inertial fusion energy (IFE). The present work examines a driver for a close-coupled target design that requires less total beam energy but also smaller beam spots sizes than previous target designs. Design parameters and a cost estimate for a 160 beam, 3.3 MJ driver using rubidium ions (A = 85) are reported, and the sensitivity of the results to variations in selected design parameters is given.
Date:
September 15, 2000
Creator:
Meier, W. R.; Barnard, J. J. & Bangerter, R. O.
Object Type:
Article
System:
The UNT Digital Library
9/11 Terrorism: Global Economic Costs
This report provides a brief survey of the global economic costs of 9/11.
Date:
September 15, 2004
Creator:
Nanto, Dick K.
Object Type:
Report
System:
The UNT Digital Library
061705 BRAC Commission Regional Hearing Book for Portland Oregon
061705 BRAC Commission Regional Hearing Book for Portland Oregon
Date:
September 15, 2005
Creator:
United States. Defense Base Closure and Realignment Commission.
Object Type:
Legal Document
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 30, No. 2, Ed. 1 Friday, September 15, 2000
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 15, 2000
Creator:
Pace, Joshua
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 36, No. 3, Ed. 1 Friday, September 15, 2006
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 15, 2006
Creator:
Ray, Johnna
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
2004 Molecular Basis of Microbial One-Carbon Metabolism Gordon Conference - August 1-6, 2004
The Gordon Research Conference (GRC) on 2004 Molecular Basis of Microbial One-Carbon Metabolism Gordon Conference - August 1-6, 2004 was held at Mount Holyoke College, South Hadley, MA from August 1-6, 2004. The Conference was well-attended with 117 participants (attendees list attached). The attendees represented the spectrum of endeavor in this field coming from academia, industry, and government laboratories, both U.S. and foreign scientists, senior researchers, young investigators, and students. In designing the formal speakers program, emphasis was placed on current unpublished research and discussion of the future target areas in this field. There was a conscious effort to stimulate lively discussion about the key issues in the field today. Time for formal presentations was limited in the interest of group discussions. In order that more scientists could communicate their most recent results, poster presentation time was scheduled. Attached is a copy of the formal schedule and speaker program and the poster program. In addition to these formal interactions, 'free time' was scheduled to allow informal discussions. Such discussions are fostering new collaborations and joint efforts in the field.
Date:
September 15, 2005
Creator:
Krzycki, Joseph A.
Object Type:
Article
System:
The UNT Digital Library
2007 Plant Metabolic Engineering Gordon Conference and Graduate Research Seminar
Plant Metabolic Engineering is an emerging field that integrates a diverse range of disciplines including plant genetics, genomics, biochemistry, chemistry and cell biology. The Gordon-Kenan Graduate Research Seminar (GRS) in Plant Metabolic Engineering was initiated to provide a unique opportunity for future researcher leaders to present their work in this field. It also creates an environment allowing for peer-review and critical assessment of work without the intimidation usually associated with the presence of senior investigators. The GRS immediately precedes the Plant Metabolic Engineering Gordon Research Conference and will be for and by graduate students and post-docs, with the assistance of the organizers listed.
Date:
September 15, 2008
Creator:
Grotewold, Erich
Object Type:
Article
System:
The UNT Digital Library
3D highly oriented nanoparticulate and microparticulate array ofmetal oxide materials
Advanced nano and micro particulate thin films of 3d transition and post-transition metal oxides consisting of nanorods and microrods with parallel and perpendicular orientation with respect to the substrate normal, have been successfully grown onto various substrates by heteronucleation, without template and/or surfactant, from the aqueous condensation of solution of metal salts or metal complexes (aqueous chemical growth). Three-dimensional arrays of iron oxide nanorods and zinc oxide nanorods with parallel and perpendicular orientation are presented as well as the oxygen K-edge polarization dependent x-ray absorption spectroscopy (XAS) study of anisotropic perpendicularly oriented microrod array of ZnO performed at synchrotron radiation source facility.
Date:
September 15, 2006
Creator:
Vayssieres, Lionel; Guo, Jinghua & Nordgren, Joseph
Object Type:
Article
System:
The UNT Digital Library
ABSTRACT: Design of Groundwater Monitoring Networks Considering Conceptual Model and Parametric Uncertainty
Uncertainty built into conceptual groundwater flow and transport models and associated parametric uncertainty should be appropriately included when such models are used to develop detection monitoring networks for contaminated sites. We compare alternative approaches of propagating such uncertainty from the flow and transport model into the network design. The focus is on detection monitoring networks where the primary objective is to intercept the contaminant before it reaches a boundary of interest (e.g., compliance boundary). Different uncertainty propagation approaches identify different well locations and different well combinations (networks) as having the highest detection efficiency. It is thus recommended that multiple uncertainty propagation approaches are considered. If several approaches yield consistent results in terms of identifying the best performing candidate wells and the best performing well network for detecting a contaminant plume, this would provide confidence in the suitability of the selected well locations.
Date:
September 15, 2008
Creator:
Hassan, A.; Bekhit, H.; Zhang, Y. & Chapman, J.
Object Type:
Article
System:
The UNT Digital Library
ABSTRACT: Upscaling Fracture Properties in Support of Dual-permeability Simulations
Rainier Mesa (RM) is a tuffaceous, high-elevation plateau on the Nevada Test Site (NTS) that has been subjected to numerous nuclear tests between 1957 and 1992. Unlike other tests on the NTS located within or just above the saturated zone, tests at the RM T-tunnel complex were conducted within a variably saturated sequence of bedded and non-welded vitric and zeolitized tuff units, located approximately 500 m above the regional groundwater flow system. The low permeability and high porosity of the underlying zeolitized tuff units suggest the downward transport of radionuclides released from these tests are minimal through the tuff matrix. However, numerous faults observed to discharge water into tunnel drifts may serve as preferential pathways for radionuclide migration. Data collected from tunnel drifts indicate that faulting within the zeolitized tuff units is sparse with fractal clustering, and that connectivity between adjacent fault clusters is often weak to non-existent. The sparse fault density at RM, in conjunction with the extreme variability in the spatial distribution of faults, poses challenges not readily addressed by existing upscaling methods that upscale fracture properties as equivalent grid tensors. The unique fault statistics at RM has led to the development of a fracture continuum method designed …
Date:
September 15, 2008
Creator:
Parashar, Rishi & Reeves, Donald M.
Object Type:
Article
System:
The UNT Digital Library
Accounting Reform After Enron: Issues in the 108th Congress
This report discusses the anxieties within Congress in the wake of the Enron scandal. Moreover, the report notes that the 108th Congress is not likely to pass legislative reform as extreme as the 107th Congress, but will still confront issues of accounting reform. The report also highlights what the 108th Congress plans to reform.
Date:
September 15, 2004
Creator:
Jickling, Mark
Object Type:
Report
System:
The UNT Digital Library
The Adiabatic Matching Section Solution for the Source Injector
Typical designs for a Heavy Ion Fusion Power Plant require the source injector to deliver 100 beams, packed into an array with a spacing of 7 cm. When designing source injectors using a single large aperture source for each beam, the emitter surfaces are packed into an array with a spacing of 30 cm. Thus, the matching section of the source injector must not only prepare the beam for transport in a FODO lattice, but also funnel the beams together. This can be accomplished by an ESQ matching section in which each beam travels on average at a slight angle to the axis of the quadrupoles and uses the focusing effect of the FODO lattice to maintain the angle. At the end of the matching section, doublet steering is used to bring the beams parallel to each other for injection into the main accelerator. A specific solution of this type for an 84-beam source injector is presented. PACS: 41.75.Ak,41.85.Ar, 41.85.Ja
Date:
September 15, 2000
Creator:
Ahle, L.; Grote, D. P.; Halaxa, E.; Henestroza, E.; Kwan, J. W. & Mac Laren, S. A.
Object Type:
Article
System:
The UNT Digital Library
Agricultural Marketing Assistance Loans and Loan Deficiency Payments
This report discusses marketing assistance loans for major crops. The debate surrounds enlarging the program to create further farm income support.
Date:
September 15, 2000
Creator:
Womach, Jasper
Object Type:
Report
System:
The UNT Digital Library
Agricultural Marketing Assistance Loans and Loan Deficiency Payments
Marketing assistance loans for the major crops were designed to facilitate orderly marketing by providing short-term financing so that farmers could pay their bills right after harvest and spread their sales over the entire marketing year. However, the persistence of very low commodity prices transformed the loan program into a major vehicle of farm income support. Marketing loan program benefits (primarily loan deficiency payments, LDPs) to farmers amounted to about $5.9 billion in 1999, and will exceed $6.5 billion in 2000. Such levels of use and high costs have revealed several administrative problems and given rise to several policy issues. Some policy makers have favored broadening the scope and enhancing the benefits of the program to achieve greater farm income support. Anticipated adverse market impacts have discouraged adoption of these proposals to date. A persistent policy issue is the payment limitation on marketing loan gains.
Date:
September 15, 2000
Creator:
Womach, Jasper
Object Type:
Report
System:
The UNT Digital Library
Air Pollution Emission Control: Existing Technologies and Mercury Cobenefits
This report considers the Environmental Protection Agency's (EPA) use of stationary sources to reduce air pollutant emissions. Specifically, when these technologies reduce pollutants that they were not necessarily designed for which creates cobenefits.
Date:
September 15, 2004
Creator:
Shea, Dana A.
Object Type:
Report
System:
The UNT Digital Library
Airport and Airway Trust Fund: Financial Outlook Is Positive, but the Trust Fund's Balance Would Be Affected If Taxes Were Suspended
A letter report issued by the General Accounting Office with an abstract that begins "The multibillion dollar Airport and Airway Trust Fund (Trust Fund) provides most of the funding for the Federal Aviation Administration (FAA). The Trust Fund relies on revenue from 10 taxes, including passenger ticket, fuel, and cargo taxes. Concerns about the financial outlook of the Trust Fund have emerged recently given the downturn in passenger air travel, requests from the airlines to suspend some of the Trust Fund taxes, and the need to reauthorize FAA's major programs in 2003. GAO was asked to determine (1) the projected financial outlook of the Trust Fund and (2) how a 1- year suspension of various taxes accruing to the Trust Fund (i.e., a tax holiday), would affect its financial status. We were asked to assess five potential tax holidays that would have begun on April 1, 2003, and ended on April 1, 2004. GAO used a model developed by FAA that made financial projections for the Trust Fund using expenditure assumptions that were based on (1) the Senate Committee on Commerce, Science, and Transportation's May 2, 2003, and the House Subcommittee on Aviation's May 15, 2003, reauthorization proposals authorizing over …
Date:
September 15, 2003
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
AISI/DOE Technology Roadmap Program: A Technology of Low Coal Rate and High Productivity of RHF Ironmaking
An economical and environment-friendly ironmaking process based on heating the chemiexecy self-sufficient green balls of iron ore and coal in a hearth furnace is being developed with financial support from AISI members and DOE. DRI, which is hot (1400 C), dense (3.2 g/cm) and of high degree of metallization (95%), has been produced in laboratory and in a pilot plant in Genoa, Italy. Products of such quality have been made from American and Brazilian ores, BOF sludge, EAF dust/BOF sludge mixtures and millscale. The removal of zinc and lead from green balls by this process is essentially complete. In comparison with typical blast furnace operation, the new technology with a melter would have a lower total coal rate by 200kg.THM. The elimination of cokemaking and high temperature agglomeration steps, and a simpler gas handling system would lead to lower capital and operating costs. In comparison with commercial RHF practice it is different in atmosphere (fully oxidized at 1600 to 1650 C), in bed height (120 mm instead of 20-25 mm) and in pellet composition (much less coal but of higher VM). The combined effect leads to three times higher furnace productivity, lower coal consumption and superior DRI quality. The risk …
Date:
September 15, 2002
Creator:
Lu, Wei-Kao
Object Type:
Report
System:
The UNT Digital Library
Albania: Current Issues and U.S. Policy
Some two months after Albania held parliamentary elections, a new government was sworn in on September 11, 2005. Democratic Party leader Sali Berisha, whose controversial term as President of Albania ended in 1997 amidst violent civil unrest, returned to power as the new Prime Minister and leads a center-right coalition government. Along with other states in the western Balkan region, Albania seeks membership in NATO and the European Union, but its accession prospects are not certain.
Date:
September 15, 2005
Creator:
Kim, Julie
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 130, No. 16, Ed. 1 Thursday, September 15, 2005
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 15, 2005
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
ALS superbend magnet system
The Lawrence Berkeley National Laboratory is preparing to upgrade the Advanced Light Source (ALS) with three superconducting dipoles (Superbends). In this paper we present the final magnet system design which incorporates R&D test results and addresses the ALS operational concerns of alignment, availability, and economy. The design incorporates conduction-cooled Nb-Ti windings and HTS current leads, epoxy-glass suspension straps, and a Gifford-McMahon cryocooler to supply steady state refrigeration. We also present the current status of fabrication and testing.
Date:
September 15, 2000
Creator:
Zbasnik, J.; Wang, S. T.; Chen, J. Y.; DeVries, G. J.; DeMarco, R.; Fahmie, M. et al.
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 101, No. 160, Ed. 1 Friday, September 15, 2000
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 15, 2000
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 155, Ed. 1 Sunday, September 15, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 15, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 105, No. 154, Ed. 1 Monday, September 15, 2003
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 15, 2003
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 106, No. 143, Ed. 1 Wednesday, September 15, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 15, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History