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Black Don't Crack But My Soul Does Ache
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Gray Wolves Under the Endangered Species Act (ESA): Distinct Population Segments and Experimental Populations
This report analyzes the DPS designation process as it is applied to the gray wolf. It also examines experimental populations of wolves under the ESA and their protections.
Date:
February 13, 2009
Creator:
Alexander, Kristina & Corn, M. L.
Object Type:
Report
System:
The UNT Digital Library
Timpson & Tenaha News (Timpson, Tex.), Vol. 28, No. 32, Ed. 1 Thursday, August 13, 2009
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
August 13, 2009
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Cable deformation simulation and a hierarchical framework for Nb3Sn Rutherford cables
Knowledge of the three-dimensional strain state induced in the superconducting filaments due to loads on Rutherford cables is essential to analyze the performance of Nb{sub 3}Sn magnets. Due to the large range of length scales involved, we develop a hierarchical computational scheme that includes models at both the cable and strand levels. At the Rutherford cable level, where the strands are treated as a homogeneous medium, a three-dimensional computational model is developed to determine the deformed shape of the cable that can subsequently be used to determine the strain state under specified loading conditions, which may be of thermal, magnetic, and mechanical origins. The results can then be transferred to the model at the strand/macro-filament level for rod restack process (RRP) strands, where the geometric details of the strand are included. This hierarchical scheme can be used to estimate the three-dimensional strain state in the conductor as well as to determine the effective properties of the strands and cables from the properties of individual components. Examples of the modeling results obtained for the orthotropic mechanical properties of the Rutherford cables are presented.
Date:
September 13, 2009
Creator:
Arbelaez, D.; Prestemon, S. O.; Ferracin, P.; Godeke, A.; Dietderich, D. R. & Sabbi, G.
Object Type:
Article
System:
The UNT Digital Library
Search for b\to u Transitions in \Bz \to \Dz \Kstarz Decays
We present a study of the decays B{sup 0} {yields} D{sup 0} K*{sup 0} and B{sup 0} {yields} {bar D}{sup 0} K*{sup 0} with K*{sup 0} {yields} K{sup +}{pi}{sup -}. The D{sup 0} and the {bar D}{sup 0} mesons are reconstructed in the final states f = K{sup +} {pi}{sup -}, K{sup +}{pi}{sup -}{pi}{sup 0}, K{sup +}{pi}{sup -}{pi}{sup +}{pi}{sup -} and their charge conjugates. Using a sample of 465 million B{bar B} pairs collected with the BABAR detector at PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC, we measure the ratio R{sub ADS} {triple_bond} [{Lambda}({bar B}{sup 0} {yields} [f]{sub D}{bar K}*{sup 0}) + {Lambda}(B{sup 0} {yields} [{bar f}]{sub D}K*{sup 0})]/[{Lambda}({bar B}{sup 0} {yields} [{bar f}]{sub D}{bar K}*{sup 0}) + {Lambda}(B{sup 0} {yields} [f]{sub D}K*{sup 0})] for the three final states. We do not find significant evidence for a signal and set the following limits at 95% probability: R{sub ADS}(K{pi}) < 0.244, R{sub ADS}(K{pi}{pi}{sup 0}) < 0.181 and R{sub ADS}(K{pi}{pi}{pi}) < 0.391. From the combination of these three results, we find that the ratio r{sub S} between the b {yields} u and the b {yields} c amplitudes lies in the range [0.07; 0.41] at 95% probability.
Date:
April 13, 2009
Creator:
Aubert, B.; Bona, M.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prencipe, E. et al.
Object Type:
Article
System:
The UNT Digital Library
Stability of Numerical Interface Conditions for Fluid/Structure Interaction
In multi physics computations, where a compressible fluid is coupled with a linearly elastic solid, it is standard to enforce continuity of the normal velocities and of the normal stresses at the interface between the fluid and the solid. In a numerical scheme, there are many ways that the velocity- and stress-continuity can be enforced in the discrete approximation. This paper performs a normal mode analysis to investigate the stability of different numerical interface conditions for a model problem approximated by upwind type of finite difference schemes. The analysis shows that depending on the ratio of densities between the solid and the fluid, some numerical interface conditions are stable up to the maximal CFL-limit, while other numerical interface conditions suffer from a severe reduction of the stable CFL-limit. The paper also presents a new interface condition, obtained as a simplified charcteristic boundary condition, that is proved to not suffer from any reduction of the stable CFL-limit. Numerical experiments in one space dimension show that the new interface condition is stable also for computations with the non-linear Euler equations of compressible fluid flow coupled with a linearly elastic solid.
Date:
August 13, 2009
Creator:
Banks, J W & Sjogreen, B
Object Type:
Article
System:
The UNT Digital Library
The Shifting Landscape of Ratepayer-Funded Energy Efficiency in the U.S.
Over the last two decades, utility ratepayer funding for energy efficiency programs - and the associated energy savings - has seen both booms and busts. Currently, about 35 states implement ratepayer-funded energy efficiency programs, with a total U.S. budget of $3.1 billion in 2008, approximately 80% of which is concentrated in just ten states (CEE 2008).2 However, a proliferation of new state-level policies enacted over the past several years suggests that the next decade may see a dramatic and sustained increase in overall funding levels, and a fundamental re-drawing of the energy efficiency map. These new state energy efficiency policies reflect a variety of concerns, including the increasing cost and siting challenges of building new generation and transmission, fuel cost and supply risks, and the potential cost of future carbon regulations. Within the past three years, for example, eleven states have adopted energy efficiency portfolio (or resource) standards (EEPS or EERS) that establish specific long-term savings targets that utilities are obligated to meet, and at least three other states are currently considering the same. A growing number of states have recently established laws requiring utilities to acquire all available cost-effective energy efficiency. Regulators in several Western states have also recently …
Date:
July 13, 2009
Creator:
Barbose, Galen L; Goldman, Charles & Schlegel, Jeff
Object Type:
Report
System:
The UNT Digital Library
Improved Spatial Resolution For Reflection Mode Infrared Spectromicroscopy
Standard commercial infrared microscopes operating in reflection mode use a mirror to direct the reflected light from the sample to the detector. This mirror blocks about half of the incident light, however, and thus degrades the spatial resolution by reducing the numerical aperture of the objective. Here, we replace the mirror with a 50% beamsplitter to allow full illumination of the objective and retain a way to direct the reflected light to the detector. The improved spatial resolution is demonstrated using a microscope coupled to a synchrotron source.
Date:
August 13, 2009
Creator:
Bechtel, Hans A.; Martin, Michael C.; May, T. E. & Lerch, Philippe
Object Type:
Article
System:
The UNT Digital Library
Colombia: Issues for Congress
This report provides an overview of recent political developments in Colombia, including the administration of President Uribe (2002-2010), continuing into the election of President Juan Manuel Santos. It discusses the political issues including Colombia's longstanding conflict with internal armed groups and ongoing challenges such as human rights, demobilization and displacement, drug trends, and Colombia's regional relations.
Date:
November 13, 2009
Creator:
Beittel, June S.
Object Type:
Report
System:
The UNT Digital Library
Update on Digitization Projects at the University of North Texas (UNT)
This presentation gives an update on the Digital Library and The Portal to Texas History collections held by the University of North Texas (UNT) Libraries in 2009 and the future projects planned.
Date:
February 13, 2009
Creator:
Belden, Dreanna
Object Type:
Presentation
System:
The UNT Digital Library
Saudi Arabia: Background and U.S. Relations
The kingdom of Saudi Arabia, ruled by the Al Saud family since its founding in 1932, wields significant political and economic influence as the birthplace of the Islamic faith and by virtue of its large energy reserves. This report provides background information about Saudi Arabia and analyzes current issues in U.S.-Saudi relations.
Date:
August 13, 2009
Creator:
Blanchard, Christopher M.
Object Type:
Report
System:
The UNT Digital Library
Community Development Block Grants: Neighborhood Stabilization Program; Assistance to Communities Affected by Foreclosures
Report regarding the Housing and Economic Recovery Act of 2008, P.L. 110-289, which allocates federal financial aid to all state and local governments with high amounts of foreclosed homes, subprime mortgage loans, and delinquent home mortgages. The report focuses on the assistance that aids in aquiring, rehabilitating, and reselling foreclosed and abandoned homes.
Date:
March 13, 2009
Creator:
Boyd, Eugene & Gonzales, Oscar R.
Object Type:
Report
System:
The UNT Digital Library
Legal Analysis of Religious Exemptions for Photo Identification Requirements
This report analyzes the legal issues associated with religious exemptions to photo identification laws. Although no lawsuits appear to have challenged federal laws with photo requirements, state photo identification laws have been challenged for several decades.
Date:
April 13, 2009
Creator:
Brougher, Cynthia
Object Type:
Report
System:
The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 8, Ed. 1 Tuesday, January 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 31, Ed. 1 Friday, February 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 51, Ed. 1 Friday, March 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 94, Ed. 1 Wednesday, May 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 117, Ed. 1 Saturday, June 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 159, Ed. 1 Thursday, August 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 201, Ed. 1 Tuesday, October 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 222, Ed. 1 Friday, November 13, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 13, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Canadian Record (Canadian, Tex.), Vol. 119, No. 33, Ed. 1 Thursday, August 13, 2009
Weekly newspaper from Canadian, Texas that includes local, state and national news along with some advertising.
Date:
August 13, 2009
Creator:
Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
Electronic Employment Eligibility Verification
This report discusses E-Verify, a program in which participating employers submit information about their new hires (name, date of birth, Social Security number, immigration/citizenship status, and alien number, if applicable) from the I-9 form. This information is automatically compared with information in Social Security Administration and, if necessary, DHS databases to verify identity and employment eligibility.
Date:
March 13, 2009
Creator:
Bruno, Andorra
Object Type:
Report
System:
The UNT Digital Library
The GV Tribune (Grandview, Tex.), Vol. 114, No. 7, Ed. 1 Friday, February 13, 2009
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
February 13, 2009
Creator:
Buck, Erin
Object Type:
Newspaper
System:
The Portal to Texas History
The GV Tribune (Grandview, Tex.), Vol. 114, No. 11, Ed. 1 Friday, March 13, 2009
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
March 13, 2009
Creator:
Buck, Erin
Object Type:
Newspaper
System:
The Portal to Texas History