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372 Matching Results
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Basic Research Needs for Solid-State Lighting. Report of the Basic Energy Sciences Workshop on Solid-State Lighting, May 22-24, 2006
The workshop participants enthusiastically concluded that the time is ripe for new fundamental science to beget a revolution in lighting technology. SSL sources based on organic and inorganic materials have reached a level of efficiency where it is possible to envision their use for general illumination. The research areas articulated in this report are targeted to enable disruptive advances in SSL performance and realization of this dream. Broad penetration of SSL technology into the mass lighting market, accompanied by vast savings in energy usage, requires nothing less. These new ?good ideas? will be represented not by light bulbs, but by an entirely new lighting technology for the 21st century and a bright, energy-efficient future indeed.
Date:
May 24, 2006
Creator:
Phillips, J. M.; Burrows, P. E.; Davis, R. F.; Simmons, J. A.; Malliaras, G. G.; So, F. et al.
Object Type:
Report
System:
The UNT Digital Library
A Catalog of Vadose Zone Hydraulic Properties for the Hanford Site
The purpose of this catalog is to integrate all available soil physics data and information from vadose zone characterization and performance assessments into one useable, scientifically defensible document.
Date:
September 24, 2001
Creator:
Freeman, Eugene J.; Khaleel, Raziuddin & Heller, Paula R.
Object Type:
Report
System:
The UNT Digital Library
A Catalog of Vadose Zone Hydraulic Properties for the Hanford Site
The purpose of this catalog is to integrate all available soil physics data and information from vadose zone characterization and performance assessments into one usable, scientifically defensible document.
Date:
September 24, 2001
Creator:
Freeman, Eugene J; Khaleel, Raziuddin & Heller, Paula R
Object Type:
Report
System:
The UNT Digital Library
The Murmansk Initiative-RF: Completion
The Murmansk Initiative-RF (MI) was conceived to provide the Russian Federation (RF) with the capacity to manage low-level liquid radioactive waste (LLRW) and comply with the requirements of the London Convention that prohibit ocean dumping of these wastes. The Initiative, under a trilateral agreement begun in 1994/95, has upgraded an existing low-level liquid radioactive waste treatment facility, increased its capacity from 1,200 m3 /year to 5,000 m3 /year, and expanded the capability of the facility to treat liquids containing salt (up to 20 g/L). The three parties to the agreement, the Russian Federation, Norway, and the United States, have split the costs for the project. It was the first project of its kind to utilize exclusively Russian subcontractors in the upgrade and expansion of the LLRW treatment plant on the premises of FGUP Atomflot (now FGUP Atomflot) in Murmansk, Russia. The project advanced into the test-operation phase. These start-up activities have include d processing of actual radioactive liquid waste from the Arctic icebreaker fleet, and incorporation of these wastes into a cementation process of Russian design. Initial runs have revealed that procedures for unloading spent ion-exchange sorbents need to be improved and that sludges formed during removal of alkaline-earth metals …
Date:
February 24, 2003
Creator:
Czajkowski, C.; Wester, D. W.; Dyer, R. S.; Sorlie, A. A. & Moller, B.
Object Type:
Article
System:
The UNT Digital Library
Rapid Formation of Supermassive Black Hole Binaries in Galaxy Mergers with Gas
Supermassive black holes (SMBHs) are a ubiquitous component of the nuclei of galaxies. It is normally assumed that, following the merger of two massive galaxies, a SMBH binary will form, shrink due to stellar or gas dynamical processes and ultimately coalesce by emitting a burst of gravitational waves. However, so far it has not been possible to show how two SMBHs bind during a galaxy merger with gas due to the difficulty of modeling a wide range of spatial scales. Here we report hydrodynamical simulations that track the formation of a SMBH binary down to scales of a few light years following the collision between two spiral galaxies. A massive, turbulent nuclear gaseous disk arises as a result of the galaxy merger. The black holes form an eccentric binary in the disk in less than a million years as a result of the gravitational drag from the gas rather than from the stars.
Date:
March 24, 2008
Creator:
Mayer, L.; Kazantzidis, S.; Madau, P.; Colpi, M.; Quinn, T. & Wadsley, J.
Object Type:
Article
System:
The UNT Digital Library
Center for Gyrokinetic Particle Simulation of Turbulent Transport in Burning Plasma
The UCLA work on this grant was to design and help implement an object-oriented version of the GTC code, which is written in Fortran90. The GTC code is the main global gyrokinetic code used in this project, and over the years multiple, incompatible versions have evolved. The reason for this effort is to allow multiple authors to work together on GTC and to simplify future enhancements to GTC. The effort was designed to proceed incrementally. Initially, an upper layer of classes (derived types and methods) was implemented which called the original GTC code 'under the hood.' The derived types pointed to data in the original GTC code, and the methods called the original GTC subroutines. The original GTC code was modified only very slightly. This allowed one to define (and refine) a set of classes which described the important features of the GTC code in a new, more abstract way, with a minimum of implementation. Furthermore, classes could be added one at a time, and at the end of the each day, the code continued to work correctly. This work was done in close collaboration with Y. Nishimura from UC Irvine and Stefan Ethier from PPPL. Ten classes were ultimately …
Date:
April 24, 2008
Creator:
Decyk, Viktor K.
Object Type:
Report
System:
The UNT Digital Library
APS Science 2006.
In my five years as the Director of the Advanced Photon Source (APS), I have been fortunate to see major growth in the scientific impact from the APS. This year I am particularly enthusiastic about prospects for our longer-term future. Every scientific instrument must remain at the cutting edge to flourish. Our plans for the next generation of APS--an APS upgrade--got seriously in gear this year with strong encouragement from our users and sponsors. The most promising avenue that has emerged is the energy-recovery linac (ERL) (see article on page xx), for which we are beginning serious R&D. The ERL{at}APS would offer revolutionary performance, especially for x-ray imaging and ultrafast science, while not seriously disrupting the existing user base. I am very proud of our accelerator physics and engineering staff, who not only keep the current APS at the forefront, but were able to greatly impress our international Machine Advisory Committee with the quality of their work on the possible upgrade option (see page xx). As we prepare for long-term major upgrades, our plans to develop and optimize all the sectors at APS in the near future are advancing. Several new beamlines saw first light this year, including a dedicated …
Date:
May 24, 2007
Creator:
Gibson, J. M.; Fenner, R. B.; Long, G.; Borland, M. & Decker, G.
Object Type:
Report
System:
The UNT Digital Library
Lexington Leader (Lexington, Tex.), Vol. 13, No. 596, Ed. 1 Thursday, September 24, 2009
Weekly newspaper from Lexington, Texas that includes local, state, and national news along with advertising.
Date:
September 24, 2009
Creator:
Terrell, Cindy
Object Type:
Newspaper
System:
The Portal to Texas History
Lexington Leader (Lexington, Tex.), Vol. 11, No. 476, Ed. 1 Thursday, May 24, 2007
Weekly newspaper from Lexington, Texas that includes local, state, and national news along with advertising.
Date:
May 24, 2007
Creator:
Terrell, Cindy
Object Type:
Newspaper
System:
The Portal to Texas History
Lexington Leader (Lexington, Tex.), Vol. 13, No. 609, Ed. 1 Thursday, December 24, 2009
Weekly newspaper from Lexington, Texas that includes local, state, and national news along with advertising.
Date:
December 24, 2009
Creator:
Terrell, Cindy
Object Type:
Newspaper
System:
The Portal to Texas History
Science and Technology Review April 2004
This months issue has the following articles: (1)''Computing Science: One Arrow in the Quiver for Homeland Security''--Commentary by Wayne Shotts; (2) ''On the Front Lines of Biodefense''--The Laboratory's pathogen bioinformatics group is developing ways to rapidly identify microbes that could pose a threat to the nation's citizens, livestock, and crops. (3) ''Defending against Corrosion''--Livermore researchers are designing a rugged system to prevent nuclear wastes from seeping into the environment at the proposed underground repository at Yucca Mountain, Nevada. (4) ''Engine Shows Diesel Efficiency without the Emissions''--Computer models are helping Laboratory engineers better understand the homogeneous compression charge ignition engine, a fuel-efficient engine with reduced emissions.
Date:
February 24, 2004
Creator:
McMahon, D H
Object Type:
Report
System:
The UNT Digital Library
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 36, No. 34, Ed. 1 Thursday, August 24, 2006
Weekly newspaper from Port Aransas, Texas on Mustang Island that includes local, state and national news along with extensive advertising.
Date:
August 24, 2006
Creator:
Judson, Mary Henkel
Object Type:
Newspaper
System:
The Portal to Texas History
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 35, No. 8, Ed. 1 Thursday, February 24, 2005
Weekly newspaper from Port Aransas, Texas on Mustang Island that includes local, state and national news along with extensive advertising.
Date:
February 24, 2005
Creator:
Judson, Mary Henkel
Object Type:
Newspaper
System:
The Portal to Texas History
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 38, No. 17, Ed. 1 Thursday, April 24, 2008
Weekly newspaper from Port Aransas, Texas that includes local, state and national news along with extensive advertising.
Date:
April 24, 2008
Creator:
Judson, Mary Henkel
Object Type:
Newspaper
System:
The Portal to Texas History
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 38, No. 4, Ed. 1 Thursday, January 24, 2008
Weekly newspaper from Port Aransas, Texas that includes local, state and national news along with extensive advertising.
Date:
January 24, 2008
Creator:
Judson, Mary Henkel
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 92, No. 8, Ed. 1 Thursday, February 24, 2000
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
February 24, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 93, No. 21, Ed. 1 Thursday, May 24, 2001
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
May 24, 2001
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Stamford American (Stamford, Tex.), Vol. 82, No. 31, Ed. 1 Thursday, October 24, 2002
Weekly newspaper from Stamford, Texas that includes local, state, and national news along with advertising.
Date:
October 24, 2002
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Collegian (Hurst, Tex.), Vol. 13, No. 13, Ed. 1 Wednesday, January 24, 2001
Weekly student newspaper published in Hurst, Texas and serving the Tarrant County College District that includes school news and information along with advertising.
Date:
January 24, 2001
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 92, No. 34, Ed. 1 Thursday, August 24, 2000
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
August 24, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Today Cedar Hill (Duncanville, Tex.), Vol. 42, No. 51, Ed. 1 Thursday, April 24, 2008
Weekly newspaper published in Duncanville, Texas that includes local Cedar Hill, state, and national news along with advertising.
Date:
April 24, 2008
Creator:
Morris, Angel Jenkins
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 159, No. 31, Ed. 1 Wednesday, September 24, 2008
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
September 24, 2008
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 158, No. 35, Ed. 1 Wednesday, October 24, 2007
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
October 24, 2007
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 93, No. 66, Ed. 1 Monday, November 24, 2008
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 24, 2008
Creator:
Simons, Meredith
Object Type:
Newspaper
System:
The Gateway to Oklahoma History