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395 Matching Results
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Final Scientific Report
Viscosities of water, nitrogen and carbon dioxide have been measured at elevated pressures and temperatures in the diamond-anvil cell. A strong correlation between viscosity and entropy has been confirmed.
Date:
June 26, 2009
Creator:
Abramson, Evan
Object Type:
Report
System:
The UNT Digital Library
Monitoring the Migrations of Wild Snake River Spring/Summer Chinook Salmon Juveniles, 2007-2008 Report of Research.
This report provides results from an ongoing project to monitor the migration behavior and survival of wild juvenile spring/summer Chinook salmon in the Snake River Basin. Data reported is from detections of PIT tagged fish during late summer 2007 through mid-2008. Fish were tagged in summer 2007 by the National Marine Fisheries Service (NMFS) in Idaho and by the Oregon Department of Fish and Wildlife (ODFW) in Oregon. Our analyses include migration behavior and estimated survival of fish at instream PIT-tag monitors and arrival timing and estimated survival to Lower Granite Dam. Principal results from tagging and interrogation during 2007-2008 are listed below: (1) In July and August 2007, we PIT tagged and released 7,390 wild Chinook salmon parr in 12 Idaho streams or sample areas. (2) Overall observed mortality from collection, handling, tagging, and after a 24-hour holding period was 1.4%. (3) Of the 2,524 Chinook salmon parr PIT tagged and released in Valley Creek in summer 2007, 218 (8.6%) were detected at two instream PIT-tag monitoring systems in lower Valley Creek from late summer 2007 to the following spring 2008. Of these, 71.6% were detected in late summer/fall, 11.9% in winter, and 16.5% in spring. Estimated parr-to-smolt survival …
Date:
May 26, 2009
Creator:
Achord, Stephen; Sandford, Benjamin P. & Hockersmith, Eric E.
Object Type:
Report
System:
The UNT Digital Library
The Global Economic Downturn and Protectionism
This report develops three scenarios to approximate different dimensions of the relationship between the global economic downturn and protectionism. The scenarios are not predictions, but descriptions of how and why pressures for protection could be manifested and transmitted under different circumstances and assumptions.
Date:
August 26, 2009
Creator:
Ahearn, Raymond J.
Object Type:
Report
System:
The UNT Digital Library
Undulator-Based Production of Polarized Positrons
None
Date:
May 26, 2009
Creator:
Alexander, Gideon; Barley, John; Batygin, Yuri; Berridge, Steven; Bharadwaj, Vinod; Bower, Gary et al.
Object Type:
Article
System:
The UNT Digital Library
Does the Endangered Species Act (ESA) Listing Provide More Protection of Polar Bear?: A Look at the Special Rules
This report looks at the regulations surrounding the polar bear, which has been protected under the Marine Mammal Protection Act (MMPA) since 1972. The report discusses the protections, prohibitions, and special rules for polar bears as well as exceptions to the rules, habitat issues, recovery plans, and other issues regarding polar bear protections.
Date:
March 26, 2009
Creator:
Alexander, Kristina
Object Type:
Report
System:
The UNT Digital Library
Endangered Species Act (ESA) Issues Regarding Columbia Basin Salmon and Steelhead
The construction and operation of the Federal Columbia River Power System (FCRPS) have reduced salmon and steelhead populations in the Columbia Basin. This report discusses the federal regulation of this system under the Endangered Species Act (ESA).
Date:
January 26, 2009
Creator:
Alexander, Kristina & Buck, Eugene H.
Object Type:
Report
System:
The UNT Digital Library
Timpson & Tenaha News (Timpson, Tex.), Vol. 27, No. 8, Ed. 1 Thursday, February 26, 2009
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
February 26, 2009
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 27, No. 12, Ed. 1 Thursday, March 26, 2009
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
March 26, 2009
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 29, No. 47, Ed. 1 Thursday, November 26, 2009
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
November 26, 2009
Creator:
Alexander, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Update and Improve Subsection NH –– Alternative Simplified Creep-Fatigue Design Methods
This report described the results of investigation on Task 10 of DOE/ASME Materials NGNP/Generation IV Project based on a contract between ASME Standards Technology, LLC (ASME ST-LLC) and Japan Atomic Energy Agency (JAEA). Task 10 is to Update and Improve Subsection NH -- Alternative Simplified Creep-Fatigue Design Methods. Five newly proposed promising creep-fatigue evaluation methods were investigated. Those are (1) modified ductility exhaustion method, (2) strain range separation method, (3) approach for pressure vessel application, (4) hybrid method of time fraction and ductility exhaustion, and (5) simplified model test approach. The outlines of those methods are presented first, and predictability of experimental results of these methods is demonstrated using the creep-fatigue data collected in previous Tasks 3 and 5. All the methods (except the simplified model test approach which is not ready for application) predicted experimental results fairly accurately. On the other hand, predicted creep-fatigue life in long-term regions showed considerable differences among the methodologies. These differences come from the concepts each method is based on. All the new methods investigated in this report have advantages over the currently employed time fraction rule and offer technical insights that should be thought much of in the improvement of creep-fatigue evaluation procedures. …
Date:
October 26, 2009
Creator:
Asayama, Tai
Object Type:
Report
System:
The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 94, No. 151, Ed. 1 Tuesday, May 26, 2009
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
May 26, 2009
Creator:
Atkinson, Luke
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Time-dependent amplitude analysis of $B^0 \to K^0_S\pi^ pi^-$
In this paper we present results from a time-dependent amplitude analysis of the B{sup 0} {yields} K{sup 0}{sub s}{pi}{sup +}{pi}{sup -} decay. In Sec. II we describe the time-dependent DP formalism, and introduce the signal parameters that are extracted in the fit to data. In Sec. III we briefly describe the BABAR detector and the data set. In Sec. IV, we explain the selection requirements used to obtain the signal candidates and suppress backgrounds. In Sec. V we describe the fit method and the approach used to control experimental effects such as resolution. In Sec. VI we present the results of the fit, and extract parameters relevant to the contributing intermediate resonant states. In Sec. VII we discuss systematic uncertainties in the results, and finally we summarize the results in Sec. VIII.
Date:
May 26, 2009
Creator:
Aubert, B.
Object Type:
Article
System:
The UNT Digital Library
Dalitz Plot Analysis of Ds+->pi+pi-pi+
A Dalitz plot analysis of {approx} 13, 000 D{sub s}{sup +} decays to {pi}{sup +}{pi}{sup +}{pi}{sup -} has been performed. A 384 fb{sup -1} data sample, recorded by the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} storage ring running at center of mass energies near 10.6 GeV, is used. Amplitudes and phases of the intermediate resonances which contribute to this final state are measured. A high precision measurement of the ratio: {Beta}(D{sub s}{sup +} {yields} {pi}{sup +}{pi}{sup +}{pi}{sup -})/{Beta}(D{sub s}{sup +} {yields} K{sup +}K{sup -}{pi}{sup +}) = 0.199 {+-} 0.004 {+-} 0.006 is performed. Using a model independent partial wave analysis the amplitude and phase of the S-wave have been measured.
Date:
January 26, 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
Experimental computation with oscillatory integrals
A previous study by one of the present authors, together with D. Borwein and I. Leonard [8], studied the asymptotic behavior of the p-norm of the sinc function: sinc(x) = (sin x)/x and along the way looked at closed forms for integer values of p. In this study we address these integrals with the tools of experimental mathematics, namely by computing their numerical values to high precision, both as a challenge in itself, and also in an attempt to recognize the numerical values as closed-form constants. With this approach, we are able to reproduce several of the results of [8] and to find new results, both numeric and analytic, that go beyond the previous study.
Date:
June 26, 2009
Creator:
Bailey, David H. & Borwein, Jonathan M.
Object Type:
Report
System:
The UNT Digital Library
Experimental Mathematics and Mathematical Physics
One of the most effective techniques of experimental mathematics is to compute mathematical entities such as integrals, series or limits to high precision, then attempt to recognize the resulting numerical values. Recently these techniques have been applied with great success to problems in mathematical physics. Notable among these applications are the identification of some key multi-dimensional integrals that arise in Ising theory, quantum field theory and in magnetic spin theory.
Date:
June 26, 2009
Creator:
Bailey, David H.; Borwein, Jonathan M.; Broadhurst, David & Zudilin, Wadim
Object Type:
Report
System:
The UNT Digital Library
TANK 40 FINAL SB5 CHEMICAL CHARACTERIZATION RESULTS PRIOR TO NP ADDITION
A sample of Sludge Batch 5 (SB5) was pulled from Tank 40 in order to obtain radionuclide inventory analyses necessary for compliance with the Waste Acceptance Product Specifications (WAPS). This sample was also analyzed for chemical composition including noble metals. Prior to radionuclide inventory analyses, a final sample of the H-canyon Np stream will be added to bound the Np addition anticipated for Tank 40. These analyses along with the WAPS radionuclide analyses will help define the composition of the sludge in Tank 40 that is currently being fed to DWPF as SB5. At the Savannah River National Laboratory (SRNL) the 3-L Tank 40 SB5 sample was transferred from the shipping container into a 4-L high density polyethylene vessel and solids allowed to settle overnight. Supernate was then siphoned off and circulated through the shipping container to complete the transfer of the sample. Following thorough mixing of the 3-L sample, a 239 g sub-sample was removed. This sub-sample was then utilized for all subsequent analytical samples. Eight separate aliquots of the slurry were digested, four with HNO{sub 3}/HCl (aqua regia) in sealed Teflon{reg_sign} vessels and four in Na{sub 2}O{sub 2} (alkali or peroxide fusion) using Zr crucibles. Due to the …
Date:
February 26, 2009
Creator:
Bannochie, C & Damon Click, D
Object Type:
Report
System:
The UNT Digital Library
Environmental Compliance and Protection Program Description Oak Ridge, Tennessee
The objective of the Environmental Compliance and Protection (EC and P) Program Description (PD) is to establish minimum environmental compliance requirements and natural resources protection goals for the Bechtel Jacobs Company LLC (BJC) Oak Ridge Environmental Management Cleanup Contract (EMCC) Contract Number DE-AC05-98OR22700-M198. This PD establishes the work practices necessary to ensure protection of the environment during the performance of EMCC work activities on the US Department of Energy's (DOE's) Oak Ridge Reservation (ORR) in Oak Ridge, Tennessee, by BJC employees and subcontractor personnel. Both BJC and subcontractor personnel are required to implement this PD. A majority of the decontamination and demolition (D and D) activities and media (e.g., soil and groundwater) remediation response actions at DOE sites on the ORR are conducted under the authority of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). CERCLA activities are governed by individual CERCLA decision documents (e.g., Record of Decision [ROD] or Action Memorandum) and according to requirements stated in the Federal Facility Agreement for the Oak Ridge Reservation (DOE 1992). Applicable or relevant and appropriate requirements (ARARs) for the selected remedy are the requirements for environmental remediation responses (e.g., removal actions and remedial actions) conducted under CERCLA.
Date:
February 26, 2009
Creator:
Bechtel Jacobs
Object Type:
Report
System:
The UNT Digital Library
Energy and Water Development: FY2010 Appropriations
This report discusses the Energy and Water Development appropriations bill that provides funding for civil works projects of the Army Corps of Engineers (Corps), for the Department of the Interior's Bureau of Reclamation (Reclamation), the Department of Energy (DOE), and several independent agencies.
Date:
August 26, 2009
Creator:
Behrens, Carl E.
Object Type:
Report
System:
The UNT Digital Library
Advanced Dark Energy Physics Telescope (ADEPT)
In 2006, we proposed to NASA a detailed concept study of ADEPT (the Advanced Dark Energy Physics Telescope), a potential space mission to reliably measure the time-evolution of dark energy by conducting the largest effective volume survey of the universe ever done. A peer-review panel of scientific, management, and technical experts reported back the highest possible 'excellent' rating for ADEPT. We have since made substantial advances in the scientific and technical maturity of the mission design. With this Department of Energy (DOE) award we were granted supplemental funding to support specific extended research items that were not included in the NASA proposal, many of which were intended to broadly advance future dark energy research, as laid out by the Dark Energy Task Force (DETF). The proposed work had three targets: (1) the adaptation of large-format infrared arrays to a 2 micron cut-off; (2) analytical research to improve the understanding of the dark energy figure-of- merit; and (3) extended studies of baryon acoustic oscillation systematic uncertainties. Since the actual award was only for {approx}10% of the proposed amount item (1) was dropped and item (2) work was severely restricted, consistent with the referee reviews of the proposal, although there was considerable …
Date:
March 26, 2009
Creator:
Bennett, Charles L.
Object Type:
Report
System:
The UNT Digital Library
Intelligence Authorization Legislation: Status and Challenges
This report assesses the effects of the absence of intelligence authorization legislation since FY2005. Since FY2005, no annual intelligence authorization bill has been enacted. Although the National Security Act requires intelligence activities to be specifically authorized, this requirement has been satisfied in recent years by one-sentence catch-all provisions in defense appropriations acts authorizing intelligence activities.
Date:
August 26, 2009
Creator:
Best, Richard A., Jr.
Object Type:
Report
System:
The UNT Digital Library
The Congressional Review Act and Possible Consolidation into a Single Measure of Resolutions Disapproving Regulations
This report briefly describes the Congressional Review Act (CRA) provisions for disapproval of rules issued in a preceding Congress and considers their implications for congressional action at the beginning of a new presidential administration. This report discusses some procedural means to address the difficulty of CRA requirements for resolutions and disapproval of rules.
Date:
January 26, 2009
Creator:
Beth, Richard S.
Object Type:
Report
System:
The UNT Digital Library
Relationships between deformation and microstructure evolution and minimizing surface roughness after BCP processing in RRR Nb cavitites
Two strategies for improving the surface finish of niobium sheet used in superconducting radio frequency cavities were examined, using slices of single (or large-grain) material from an ingot, and equal channel angle extrusion (ECAE) preprocessing of ingot material to achieve a uniform and small grain size prior to subsequent rolling. The effect of these two processing paths on final microstructure, texture, and surface finish are discussed.
Date:
May 26, 2009
Creator:
Bieler, T. R.; Baars, D.; Hartwig, K. T.; Compton, C. & Grimm, T. L.
Object Type:
Report
System:
The UNT Digital Library
International Population Assistance and Family Planning Programs: Issues for Congress
This report provides context for the debate concerning international population planning based on principles of volunteerism and informed choice that gives participants access to information on all methods of birth control and discusses funding levels.
Date:
January 26, 2009
Creator:
Blanchfield, Luisa
Object Type:
Report
System:
The UNT Digital Library
Perry Daily Journal (Perry, Okla.), Vol. 117, No. 40, Ed. 1 Thursday, February 26, 2009
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 26, 2009
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History