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Divisions, Areas, and Ensembles - Opera - Roméo et Juliette, 2007
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[Abilene City Council Minutes: 2007]
Ledger containing minutes of the City Council in Abilene, Texas documenting the group's discussions and activities from January 11, 2007 to December 20, 2007.
Date:
2007-01-11/2007-12-20
Creator:
Abilene (Tex.)
Object Type:
Book
System:
The Portal to Texas History
Supersymmetry in Particle Physics - An Elementary Introduction
None
Date:
May 11, 2007
Creator:
Aitchison, I.J.R. & /Oxford U., Theor. Phys. /SLAC
Object Type:
Report
System:
The UNT Digital Library
Valence band anticrossing in GaBixAs1-x
The optical properties of GaBixAs1-x (0.04< x< 0.08) grown by molecular beam epitaxy have been studied by photomodulated reflectance spectroscopy. The alloys exhibit a strong reduction in the bandgap as well as an increase in the spin-orbit splitting energy with increasing Bi concentration. These observations are explained by a valence band anticrossing model, which shows that a restructuring of the valence band occurs as the result of an anticrossing interaction between the extended states of the GaAs valence band and the resonant T2 states of the Bi atoms.
Date:
July 11, 2007
Creator:
Alberi, K.; Dubon, O. D.; Walukiewicz, W.; Yu, K. M.; Bertulis, K. & Krotkus, A.
Object Type:
Article
System:
The UNT Digital Library
Timpson & Tenaha News (Timpson, Tex.), Vol. 22, No. 2, Ed. 1 Thursday, January 11, 2007
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
January 11, 2007
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 25, No. 41, Ed. 1 Thursday, October 11, 2007
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
October 11, 2007
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
First Principals and Classical Molecular Dynamics Simulations of Solvated Benzene
We have performed extensive ab initio and classical MD simulations of benzene in water in order to examine the unique solvation structures that are formed. Qualitative differences between classical and ab initio MD simulations are found and the importance of various technical simulation parameters is examined. Our comparison indicates that non-polarizable classical models are not capable of describing the solute-water interface correctly if local interactions become energetically comparable to water hydrogen bonds. In addition, a comparison is made between a rigid water model and fully flexible water within ab initio MD simulations which shows that both models agree qualitatively for this challenging system.
Date:
September 11, 2007
Creator:
Allesch, M; Lightstone, F; Schwegler, E & Galli, G
Object Type:
Article
System:
The UNT Digital Library
Search for B0 to phi(K+pi-) Decays with Large K+pi- Invariant Mass
None
Date:
May 11, 2007
Creator:
Aubert, B.
Object Type:
Article
System:
The UNT Digital Library
Search for D^0-\overline{D}^0 Mixing Using Doubly Flavor TaggedSemileptonic Decay Modes
None
Date:
May 11, 2007
Creator:
Aubert, B.
Object Type:
Article
System:
The UNT Digital Library
Search for the Radiative Leptonic Decay B^{+} to gamma \ell^{+}\nu_{\ell}
None
Date:
May 11, 2007
Creator:
Aubert, B.; Bona, M.; Boutigny, D.; Karyotakis, Y.; Lees, J. P.; Poireau, V. et al.
Object Type:
Article
System:
The UNT Digital Library
Uncertainty Detection for NIF Normal Pointing Images
The National Ignition Facility at the Lawrence Livermore National Laboratory when completed in 2009, will deliver 192-beams aligned precisely at the center of the target chamber producing extreme energy densities and pressures. Video images of laser beams along the beam path are used by automatic alignment algorithms to determine the position of the beams for alignment purposes. However, noise and other optical effects may affect the accuracy of the calculated beam location. Realistic estimation of the uncertainty is necessary to assure that the beam is monitored within the clear optical path. When the uncertainty is above a certain threshold the automated alignment operation is suspended and control of the beam is transferred to a human operator. This work describes our effort to quantify the uncertainty of measurement of the most common alignment beam.
Date:
September 11, 2007
Creator:
Awwal, Abdul A.S.; Law, Clement & Ferguson, S. Walter
Object Type:
Article
System:
The UNT Digital Library
AREA COMPLETION STRATEGIES AT SAVANNAH RIVER SITE: CHARACTERIZATION FOR CLOSURE AND BEYOND
During the first four decades of its 56 year existence, the Savannah River Site (SRS) was a key supplier of nuclear material for national defense. During the 1990s, the site's primary missions became waste site closure, environmental restoration, and deactivation and decommissioning (D&D) of remnant cold war apparatus. Since 1989, with the approval of State and Federal regulatory agencies and with the participation of interested stakeholders, SRS has implemented a final remedy for a majority of the more than 500 individual waste sites at the former nuclear materials complex. These waste sites range from small, inert rubble pits to large, heavy industrial areas and radioactive waste disposal grounds. The closure and final remediation of these waste sites mark significant progress toward achieving SRS's overarching goal of reducing or eliminating future environmental damage and human health threats. However, larger challenges remain. For example, what are appropriate and achievable end-states for decommissioned nuclear facilities? What environmental and human health risks are associated with these end-states? To answer these questions within the strictures of smaller budgets and accelerated schedules, SRS is implementing an ''area completion'' strategy that: (1) unites several discrete waste units into one conceptual model, (2) integrates historically disparate environmental characterization …
Date:
June 11, 2007
Creator:
Bagwell, L; Mark Amidon, M & Sadika Baladi, S
Object Type:
Article
System:
The UNT Digital Library
Analysis of Buoyancy-Driven Ventilation of Hydrogen from Buildings
The scope of work for this project includes safe building design, vehicle leak in residential garage, continual slow leak, passive, buoyancy-driven ventilation (versus mechanical), and steady-state concentration of hydrogen versus vent size.
Date:
September 11, 2007
Creator:
Barley, C. D.; Gawlik, K.; Ohi, J. & Hewett, R.
Object Type:
Presentation
System:
The UNT Digital Library
Journal Article, full text
Single-wall carbon nanotube #1;SWCNT#2; networks form a highly transparent and electrically conductive thin film that can be used to replace traditional transparent conducting oxides #1;TCOs#2; in a variety of applications. Here, the authors demonstrate their use as a transparent back contact in a near-infrared #1;NIR#2; transparent CdTe solar cell. SWCNT networks are hole-selective conductors and have a significantly greater NIR transparency than TCOs—qualities which could both make them very useful in tandem thin-film solar cells. SWCNT networks can be incorporated into single-junction CdTe devices and in CdTe top cells for mechanically stacked thin-film tandem devices, as described here. The best device efficiency using SWCNTs in the back contact was 12.4%, with 40%–50% transmission between 800 and 1500 nm.
Date:
June 11, 2007
Creator:
Barnes, T. M.; Wu, X.; Zhou, J.; Duda, A.; Lagemaat, J. van de; Weeks, C. L. et al.
Object Type:
Article
System:
The UNT Digital Library
Geology of the Waste Treatment Plant Seismic Boreholes
In 2006, the U.S. Department of Energy initiated the Seismic Boreholes Project (SBP) to emplace boreholes at the Waste Treatment Plant (WTP) site in order to obtain direct shear wave velocity (Vs) measurements and other physical property measurements in Columbia River basalt and interbedded sediments of the Ellensburg Formation. The goal was to reduce the uncertainty in the response spectra and seismic design basis, and potentially recover design margin for the WTP. The characterization effort within the deep boreholes included 1) downhole measurements of the velocity properties of the suprabasalt, basalt, and sedimentary interbed sequences, 2) downhole measurements of the density of the subsurface basalt and sediments, and 3) geologic studies to confirm the geometry of the contact between the various basalt and interbedded sediments through examination of retrieved core from the core hole and data collected through geophysical logging of each borehole. This report describes the results of the geologic studies from three mud-rotary boreholes and one cored borehole at the WTP. All four boreholes penetrated the entire Saddle Mountains Basalt and the upper part of the Wanapum Basalt where thick sedimentary interbeds occur between the lava flows. The basalt flows penetrated in Saddle Mountains Basalt included the Umatilla …
Date:
May 11, 2007
Creator:
Barnett, D. Brent; Fecht, Karl R.; Reidel, Stephen P.; Bjornstad, Bruce N.; Lanigan, David C. & Rust, Colleen F.
Object Type:
Report
System:
The UNT Digital Library
[Brandi Greene in Matthews Hall computer lab]
Photograph of Brandi Greene, a junior studying political science at UNT, sitting and working at a computer in the Matthews Hall computer lab. Her hand is on the mouse and two other people are seated at computers past her.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Brandi Greene typing at computer]
Photograph of Brandi Greene, a junior studying political science at UNT, working at a computer in the Matthews Hall computer lab. She is typing using the keyboard and her cell phone and a notebook are on the table beside her.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Brandi Greene working at computer]
Photograph of Brandi Greene, a junior studying political science at UNT, sitting and working at a computer in the Matthews Hall computer lab. There is a word document open on the computer and several paragraphs and the closing of a letter are typed out.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Brandi Greene working on letter]
Photograph of Brandi Greene, a junior studying political science at UNT, sitting and working at a computer in the Matthews Hall computer lab. There is a word document open on the computer and several paragraphs from a letter are typed out.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Front desk and students in Matthews Hall computer lab]
Photograph of students working in the Matthews Hall computer lab. They are seated at different monitors and some have on headphones and others have papers next to them. The front desk has two monitors and several ID cards for computer use.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Student sitting and talking on cell phone with charms]
Photograph of a student sitting outside on the UNT campus. She is talking into her cell phone, which has beaded charms hanging from it.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Student sitting and using cell phone]
Photograph of a student sitting outside on the UNT campus. She is typing on her flip-cell phone and has a pair of earbuds in.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Student speaking on cell phone outside]
Photograph of a student sitting outside on the UNT campus. She is talking into her cell phone and has her laptop closed on her lap. She is also wearing a shoulder bag.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Student walking and talking on cell phone]
Photograph of a student walking outside on the UNT campus. He is talking into his cell phone and is wearing a Superman hat and Led Zeppelin T-shirt.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library
[Student walking on campus with cell phone out]
Photograph of a student walking on the UNT campus while looking at their cell phone. They are wearing a backpack and athletic clothes. Behind her are flag poles, a university sign, a building and a ΛΘΑ sign on the lawn. There is also a bench nearby and several trees.
Date:
September 11, 2007
Creator:
Baugh, Brian
Object Type:
Photograph
System:
The UNT Digital Library