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601 Matching Results
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Module 30 year life: What does it mean and is it predictable-achievable?
The authors define what they mean by a 30-year module life and the testing protocol that they believe is involved in achieving such a prediction. However, they do not believe that a universal test (or series of tests) will allow for such a prediction to be made. They can test for a lot of things, but they believe it is impossible to provide a 30-year certification for any PV module submitted for test. They explain their belief in this paper.
Date:
April 11, 2000
Creator:
Mcmahon, T. J.; Jorgensen, G. J.; Hulstrom, R. L.; King, David L. & Quintana, Michael A.
Object Type:
Article
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 84, No. 140, Ed. 1 Tuesday, April 11, 2000
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 11, 2000
Creator:
Wilmoth, Adam
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Oral History Interview with Frank Muoio, April 11, 2000
The National Museum of the Pacific War presents an interview with Frank Muoio. Muoio joined the Navy in early 1942 and went aboard the USS Thomas Jefferson (APA-30) after training in Rhode Island. His first trip was to Brisbane delivering materiel. From there, he went to the invasions of North Africa, Sicily and Italy. Muoio shares several anecdotes about his experiences aboard the Thomas Jefferson. He went ashore during the invasion of Salerno. He was also involved in the Normandy invasion as well as Okinawa.
Date:
April 11, 2000
Creator:
Muoio, Frank
Object Type:
Text
System:
The Portal to Texas History
Overview of the U.S. Department of Energy Office of Transportation Technologies
None
Date:
April 11, 2000
Creator:
unknown
Object Type:
Presentation
System:
The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 107, No. 72, Ed. 1 Tuesday, April 11, 2000
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 11, 2000
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Preschool Education: Federal Investment for Low-Income Children Significant but Effectiveness Unclear
Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed preschool education for children of low-income families, focusing on: (1) the federal and state commitment to preschool programs, including funding and collaborative efforts; and (2) what is known about the effectiveness of federal preschool programs."
Date:
April 11, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Radiological performance assessment for the E-Area Vaults Disposal Facility
This report is the first revision to ``Radiological Performance Assessment for the E-Area Vaults Disposal Facility, Revision 0'', which was issued in April 1994 and received conditional DOE approval in September 1994. The title of this report has been changed to conform to the current name of the facility. The revision incorporates improved groundwater modeling methodology, which includes a large data base of site specific geotechnical data, and special Analyses on disposal of cement-based wasteforms and naval wastes, issued after publication of Revision 0.
Date:
April 11, 2000
Creator:
Cook, J. R.
Object Type:
Report
System:
The UNT Digital Library
Rains County Leader (Emory, Tex.), Vol. 112, No. 43, Ed. 1 Tuesday, April 11, 2000
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
April 11, 2000
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
Relative stability of silicon self-interstitial defects
{l_brace}311{r_brace} defects and dislocation loops are formed after ion-implantation and annealing of a silicon wafer. Recent Transmission Electron Microscopy studies by Li and Jones have shown that sub-threshold dislocation loops nucleate from {l_brace}311{r_brace} defects. In our study, the conjugate gradient method with the Stillinger Weber potential is used to relax different configurations such as {l_brace}311{r_brace} defects with a maximum of five chains and perfect dislocation loops. From the formation energies thus obtained we find that there is an optimal width for each length of the {l_brace}311{r_brace} defects. Moreover the relative stability of {l_brace}311{r_brace}s and loops is studied as a function of defect size. We observe that at very small sizes the perfect loops are more stable than the {l_brace}311{r_brace}s. This may provide an explanation for the experimental observation by Robertson et al that, in an annealing study of end of range damage of amorphized samples, 45% of the loops had nucleated in the first 10 minutes of anneal. We propose that homogeneous nucleation, as against unfaulting of the {l_brace}311{r_brace}s, could be the source of these loops.
Date:
April 11, 2000
Creator:
Subramanian, G; Jones, K S; Law, M E; Caturla, M J; Theiss, S & Diaz de la Rubia, T
Object Type:
Article
System:
The UNT Digital Library
Sandia and the Waste Isolation Pilot Plant, 1974--1999
Engineers have learned to design and build big projects, which certainly describes the WIPP project, but also includes defense projects, highway networks, space exploration, the Internet, etc., through what has been called a messily complex embracing of contradictions. When something massive and complicated has to be built these days, it leads to a protracted political process in which every special interest makes a stand, lobbyists exert what influence they can, lawmakers bicker, contractors change things, Congress struggles with costs, environmentalists hold things up--and this is good. It may seem amazing that anything gets done, but when it does, everyone has had their say. It's an intensely democratic, even if expensive and time-consuming, process. The corporate historian of Sandia National Laboratories presents a unique background of the WIPP project and Sandia's part in it.
Date:
April 11, 2000
Creator:
MORA,CARL J.
Object Type:
Article
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 84, No. 180, Ed. 1 Tuesday, April 11, 2000
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 11, 2000
Creator:
Quinnelly, Lorrie J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Seamless multiresolution isosurfaces using wavelets
Data sets that are being produced by today's simulations, such as the ones generated by DOE's ASCI program, are too large for real-time exploration and visualization. Therefore, new methods of visualizing these data sets need to be investigated. The authors present a method that combines isosurface representations of different resolutions into a seamless solution, virtually free of cracks and overlaps. The solution combines existing isosurface generation algorithms and wavelet theory to produce a real-time solution to multiple-resolution isosurfaces.
Date:
April 11, 2000
Creator:
Udeshi, T.; Hudson, R. & Papka, M. E.
Object Type:
Article
System:
The UNT Digital Library
Social Security: Providing Useful Information to the Public
Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed information the public should have about the Social Security program and the role that the individualized Social Security Statement plays in providing that information, focusing on: (1) basic information about program benefits; (2) the current and projected financial status of the Social Security program; and (3) proposed changes to the program."
Date:
April 11, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Social Security Reform: Bills in the 106th Congress
The Social Security system is projected to have long-range funding problems. Although the system’s income currently exceeds its expenditures, its trust funds are projected to be depleted in 2037. Concern about the problem and a belief that the remedy lies partly in economic growth that could be bolstered by changes to the system have led to introduction of a number of bills incorporating varying degrees of reform. This report describes the funding problem in some detail, summarizes many of the reform bills introduced in the 106th Congress, and provides a list of other related CRS reports.
Date:
April 11, 2000
Creator:
Koitz, David S.
Object Type:
Report
System:
The UNT Digital Library
Tank Characterization Report for Single Shell Tank 241-U-102
None
Date:
April 11, 2000
Creator:
Adams, M. R.
Object Type:
Report
System:
The UNT Digital Library
Tanks Focus Area site needs assessment FY 2000
This report documents the process used by the Tanks Focus Area (TFA) to analyze and develop responses to technology needs submitted by five major U.S. Department of Energy (DOE) sites with radioactive tank waste problems, and the initial results of the analysis. The sites are the Hanford Site, Idaho National Engineering and Environmental Laboratory (INEEL), Oak Ridge Reservation (ORR), Savannah River Site (SRS), and West Valley Demonstration Project (WVDP). During the past year, the TFA established a link with DOE's Fernald site to exchange, on a continuing basis, mutually beneficial technical information and assistance.
Date:
April 11, 2000
Creator:
Allen, R. W.
Object Type:
Report
System:
The UNT Digital Library
TRANSVERSE POLARIZATION DISTRIBUTION AND FRAGMENTATION FUNCTIONS
The authors discuss transverse polarization distribution and fragmentation functions, in particular, T-odd functions with transverse momentum dependence, which might be relevant for the description of single transverse spin asymmetries. The role of intrinsic transverse momentum in the expansion in inverse powers of the hard scale is elaborated upon. The sin {phi} single spin asymmetry in the process e {rvec p} {r_arrow} e{prime} {pi}{sup +} X as recently reported by the HERMES Collaboration is investigated, in particular, by using the bag model.
Date:
April 11, 2000
Creator:
BOER,D.
Object Type:
Article
System:
The UNT Digital Library
Twenty years of service at NBNM - Analysis of Spectrolab module
This study of adhesional strength and surface analysis of encapsulant and silicon cell samples from a Natural Bridges National Monument (NBNM) Spectrolab module is an attempt to understand from its success. The module was fabricated using polyvinyl butyral (PVB) as an encapsulant. The average adhesional shear strength of the encapsulant at the cell/encapsulant interface in this module was 4.51 MPa or {approximately} 18% lower than that in currently manufactured modules. Typical encapsulant surface composition was as follows: C 75.0 at.% O 23.2 at.%, and Si 1.6 at.%, with Ag {approximately}0.2 at.% and Pb {approximately} 0.5 at.% with some tin respectively over the grid lines and solder bond. Representative silicon cell surface composition was: K 1.4 at.%, C 20.8 at.%, Sn 0.94 at.%, O 15.1 at.%, Na 2.7 at.% and Si 59.0 at.%. The presence of tin detected on the silicon cell surface may be attributed to corrosion of solder bond. The module differs from typical contemporary modules in the use of PVB, metallic mesh type interconnection, and silicon oxide AR coating.
Date:
April 11, 2000
Creator:
Dhere, N. G.; Pandit, M. B.; Ghongadi, S. R.; Quintana, Michael A.; King, David L. & Kratochvil, Jay A.
Object Type:
Article
System:
The UNT Digital Library
Waste Feed Delivery Purex Process Connector Design Pressure
The pressure retaining capability of the PUREX process connector is documented. A context is provided for the connector's current use within existing Projects. Previous testing and structural analyses campaigns are outlined. The deficient condition of the current inventory of connectors and assembly wrenches is highlighted. A brief history of the connector is provided. A bibliography of pertinent references is included.
Date:
April 11, 2000
Creator:
Brackenbury, P. J.
Object Type:
Report
System:
The UNT Digital Library
Wind powering America: Iowa
Wind resources in the state of Iowa show great potential for wind energy development. This fact sheet provides a brief description of the state's wind resources and the financial incentives available for the development of wind energy systems. It also provides a list of contacts for more information.
Date:
April 11, 2000
Creator:
National Renewable Energy Laboratory (U.S.)
Object Type:
Book
System:
The UNT Digital Library
Wind powering America: Kansas
Wind resources in the state of Kansas show great potential for wind energy development according to the wind resource assessment conducted by the Kansas Electric Utilities Research Program, UWIG, and DOE. This fact sheet provides a brief description of the resource assessment and description of the state's new educational wind kiosk as well as its green power program and financial incentives available for the development of renewable energy technologies. A list of contacts for more information is also included.
Date:
April 11, 2000
Creator:
National Renewable Energy Laboratory (U.S.)
Object Type:
Book
System:
The UNT Digital Library
Wind powering America: Massachusetts
This fact sheet provides a brief description of the wind resources in Massachusetts, the state financial incentives to develop wind systems and its net metering and green power programs. The fact sheet also provides a list of contacts for more information.
Date:
April 11, 2000
Creator:
National Renewable Energy Laboratory (U.S.)
Object Type:
Book
System:
The UNT Digital Library
Wind powering America: New Mexico
This fact sheet provides a brief description of the wind resources in New Mexico and the state's net metering and green power programs. The fact sheet also provides a list of contacts for more information.
Date:
April 11, 2000
Creator:
National Renewable Energy Laboratory (U.S.)
Object Type:
Book
System:
The UNT Digital Library
Wind powering America: South Dakota
This fact sheet contains a description of South Dakota's wind energy resources, and the state's financial incentives that support the installation of renewable energy systems. The fact sheet includes a list of contacts for those interested in obtaining more information.
Date:
April 11, 2000
Creator:
National Renewable Energy Laboratory (U.S.)
Object Type:
Book
System:
The UNT Digital Library