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474 Matching Results
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Potential Challenges to U.S. Farm Subsidies in the WTO
None
Date:
April 26, 2007
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
PROCEEDINGS FROM RIKEN-BNL RESEARCH CENTER WORKSHOP: PARITY-VIOLATING SPIN ASYMMETRIES AT RHIC.
The RHIC spin program is now fully underway. Several runs have been successfully completed and are producing exciting first results. Luminosity and polarization have improved remarkably and promising advances toward the higher RHIC energy of {radical}s = 500 GeV have been made. At this energy in particular, it will become possible to perform measurements of parity-violating spin asymmetries. Parity violation occurs in weak interactions, and in combination with the unique polarization capabilities at RHIC fascinating new opportunities arise. In particular, parity-violating single- and double-spin asymmetries give new insights into nucleon structure by allowing probes of up and down sea and anti-quark polarizations. Such measurements at RHIC are a DOE performance milestone for the year 2013 and are also supported by a very large effort from RIKEN. With transverse polarization, charged-current interactions may be sensitive to the Sivers effect. Parity-violating effects at RHIC have been proposed even as probes of physics beyond the Standard Model. With the era of measurements of parity-violating spin asymmetries at RHIC now rapidly approaching, we had proposed a small workshop that would bring together the main experts in both theory and experiment. We are very happy that this worked out. The whole workshop contained 17 formal …
Date:
April 26, 2007
Creator:
Vogelsang, W.; Perdekamp, M. & Surrow, B.
Object Type:
Report
System:
The UNT Digital Library
Remaining Sites Verification Package for the 1607-F3 Sanitary Sewer System, Waste Site Reclassification Form 2006-047
The 1607-F3 waste site is the former location of the sanitary sewer system that supported the 182-F Pump Station, the 183-F Water Treatment Plant, and the 151-F Substation. The sanitary sewer system included a septic tank, drain field, and associated pipeline, all in use between 1944 and 1965. In accordance with this evaluation, the verification sampling results support a reclassification of this site to Interim Closed Out. The results of verification sampling demonstrated that residual contaminant concentrations do not preclude any future uses and allow for unrestricted use of shallow zone soils. The results also showed that residual contaminant concentrations are protective of groundwater and the Columbia River.
Date:
April 26, 2007
Creator:
Dittmer, L. M.
Object Type:
Report
System:
The UNT Digital Library
Remarkable Strontium B-Site Occupancy in FerroelectricPb(Zr1-xTix)O3 Solid Solutions Doped with Cryolite-Type StrontiumNiobate
New high-performance ferroelectric materials based on Pb(Zr{sub 1-x}Ti{sub x})O{sub 3} (PZT) that are doped with cryolite-type strontium niobate (SNO, Sr{sub 4}(Sr{sub 2-2y/3}Nb{sub 2+2y/3})O{sub 11+y}V{sub 0,1-y} with 0 {le} y {le} 1), hence denoted PZT:SNO, and their microscopic structure are described. The combination of exceptional piezoelectric properties, i.e. a piezoelectric strain constant of d{sub 33} {approx} 760 pm/V, with excellent stability and degradation resistance makes ferroelectric PZT:SNO solid solutions very attractive for use in novel and innovative piezoelectric actuator and transducer applications. Extended X-ray absorption fine-structure (EXAFS) analyses of PZT:SNO samples revealed that {approx}10 % of the Sr cations occupy the nominal B-sites of the perovskite-type PZT host lattice. This result was supported by EXAFS analyses of both a canonical SrTiO{sub 3} perovskite and two SNO model and reference compounds. Fit models that do not account for Sr cations on B-sites were ruled out. A clear Sr-Pb peak in Fourier transformed EXAFS data visually confirmed this structural model. The generation of temporary oxygen vacancies and the intricate defect chemistry induced by SNO-doping of PZT are crucial for the exceptional materials properties exhibited by PZT:SNO materials.
Date:
April 26, 2007
Creator:
Feltz, A.; Schmidt-Winkel, P.; Schossman, M.; Booth, C.H. & Albering, J.
Object Type:
Article
System:
The UNT Digital Library
Rio Grande Herald (Rio Grande City, Tex.), Vol. 94, No. 16, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Rio Grande City, Texas that includes local, state and national news along with extensive advertising.
Date:
April 26, 2007
Creator:
Roberts, Kenneth
Object Type:
Newspaper
System:
The Portal to Texas History
The Sachse News (Sachse, Tex.), Vol. 3, No. 12, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Sachse, Texas that includes local, state and national news along with advertising.
Date:
April 26, 2007
Creator:
Fisher, Donnita Nesbit
Object Type:
Newspaper
System:
The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 92, No. 143, Ed. 1 Thursday, April 26, 2007
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
Mattox, Jami
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Senior Recital: 2007-04-26 - Bryan Burns, classical guitar
Access:
Use of this item is restricted to the UNT Community
A senior recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Bachelor of Music (BM) degree
Date:
April 26, 2007
Creator:
Burns, Bryan
Object Type:
Sound
System:
The UNT Digital Library
Special Rules and Waivers of House Rules
None
Date:
April 26, 2007
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Stamford American (Stamford, Tex.), Vol. 86, No. 2, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Stamford, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Study of Transport Behavior and Conversion Efficiency in Pillar Structured Neutron Detectors
Room temperature, high efficiency and scalable radiation detectors can be realized by manipulating materials at the micro scale. With micro-semiconductor-pillars, we will advance the thermal neutron detection efficiency of semiconductor detectors to over 70% with 50 mm in detector thickness. New material science, new transport behavior, neutron to alpha conversion dynamics and their relationship with neutron detection will be discovered with the proposed structures.
Date:
April 26, 2007
Creator:
Nikolic, R
Object Type:
Report
System:
The UNT Digital Library
The Suburbia News (Seagoville, Tex.), Vol. 35, No. 22, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Seagoville, Texas that includes local, state and national news along with advertising.
Date:
April 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Attorney General Opinion: GA-0543
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Greg Abbott, regarding a legal question submitted for clarification: Whether, in light of section 716.101 of the Health and Safety Code, a county may cremate an unidentified deceased pauper's remains.
Date:
April 26, 2007
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 24, No. 17, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Today Cedar Hill (DeSoto, Tex.), Vol. 42, No. 2, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from DeSoto, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
Gooch, Robin
Object Type:
Newspaper
System:
The Portal to Texas History
Transportation Security: DHS Efforts to Eliminate Redundant Background Check Investigations
A letter report issued by the Government Accountability Office with an abstract that begins "Since 9/11, the federal government has taken steps to ensure that transportation workers are screened to ensure that they do not pose a security risk. However, the number of DHS background check programs has raised concerns that such workers may be subject to redundant background check programs. The Security and Accountability for Every Port Act of 2006 required GAO to conduct a study of those DHS background check programs similar to the one required of truck drivers to obtain a hazardous material endorsement (HME). For this study, GAO examined DHS background check programs to identify (1) potential redundancies and inconsistencies, if any, connected with these programs, and (2) actions, if any, DHS is taking or planning to coordinate its background check programs. To address these objectives, GAO examined selected background check programs, interviewed DHS officials and private stakeholders, and reviewed relevant documents."
Date:
April 26, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
The Tulia Herald (Tulia, Tex.), Vol. 99, No. 17, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Tulia, Texas that includes local, state, and national news along with extensive advertising.
Date:
April 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
U.S. Public Diplomacy: Strategic Planning Efforts Have Improved, but Agencies Face Significant Implementation Challenges
Testimony issued by the Government Accountability Office with an abstract that begins "Since the terrorist attacks of 9/11, polling data have generally shown that anti-Americanism has spread and deepened around the world, and several groups have concluded that this trend may have harmed U.S. interests in significant ways. U.S. public diplomacy activities undertaken by the State Department (State) and the Broadcasting Board of Governors (BBG), which totaled almost $1.5 billion in fiscal year 2006, are designed to counter such sentiments. Based on our prior reports, this testimony addresses (1) the negative consequences various groups have associated with rising anti-American sentiments; (2) strategic planning, coordination, and performance measurement issues affecting U.S. public diplomacy efforts; and (3) key challenges that hamper agency activities."
Date:
April 26, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
A variational approach to coarse-graining of equilibrium and non-equilibrium atomistic description at finite temperature
The aim of this paper is the development of equilibrium and non-equilibrium extensions of the quasicontinuum (QC) method. We first use variational mean-field theory and the maximum-entropy formalism for deriving approximate probability distribution and partition functions for the system. The resulting probability distribution depends locally on atomic temperatures defined for every atom and the corresponding thermodynamic potentials are explicit and local in nature. The method requires an interatomic potential as the sole empirical input. Numerical validation is performed by simulating thermal equilibrium properties of selected materials using the Lennard-Jones pair potential and the EAM potential and comparing with molecular dynamics results as well as experimental data. The max-ent variational approach is then taken as a basis for developing a three-dimensional non-equilibrium finite temperature extension of the quasicontinuum method. This extension is accomplished by coupling the local temperature-dependent free energy furnished by the max-ent approximation scheme to the heat equation in a joint thermo-mechanical variational setting. Results for finite-temperature nanoindentation tests demonstrate the ability of the method to capture non-equilibrium transport properties and differentiate between slow and fast indentation.
Date:
April 26, 2007
Creator:
Kulkarni, Yashashree; Knap, Jaroslaw & Ortiz, Michael
Object Type:
Article
System:
The UNT Digital Library
Veterans’ Benefits: Issues in the 110th Congress
None
Date:
April 26, 2007
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 105, No. 4, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Yellow Jacket (Brownwood, Tex.), Vol. 97, No. 13, Ed. 1, Thursday, April 26, 2007
Weekly student newspaper from Howard Payne University in Brownwood, Texas that includes local, state and campus news along with advertising.
Date:
April 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Affirmative Action and Diversity in Public Education — Legal Developments
The first part of this report briefly reviews the judicial evolution of race-based affirmative action, particularly in relation to public education. Recent rulings challenging the use of racial admissions and hiring practices by public educational institutions are then considered for their implications on the future development of affirmative action law.
Date:
April 26, 2006
Creator:
Dale, Charles V.
Object Type:
Report
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 107, No. 328, Ed. 1 Wednesday, April 26, 2006
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 26, 2006
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History