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Air Force F-22 Fighter Program: Background and Issues for Congress
This report discusses the Air Force F-22 fighter, also known as the Raptor, which is the world's most capable air-to-air combat aircraft. Procurement of F-22s began in FY1999, and a total of 187 have been procured through FY2009, including 24 in FY2009.
Date:
September 11, 2009
Creator:
O'Rourke, Ronald
Object Type:
Report
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 111, No. 307, Ed. 1 Friday, September 11, 2009
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 11, 2009
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 89, No. 254, Ed. 1 Friday, September 11, 2009
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 11, 2009
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 103, No. 73, Ed. 1 Friday, September 11, 2009
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
September 11, 2009
Creator:
Cartwright, Brian & Velvin, Candace E.
Object Type:
Newspaper
System:
The Portal to Texas History
Collins Mechanism Contributions to Single Spin Asymmetry
We present recent developments on the single transverse spin physics,in particular, the Collins mechanism contributions in various hadronic reactions,such as semi-inclusive hadron production in DIS process, azimuthal distributionof hadron in high energy jet in pp collisions. We will demonstrate thatthe transverse momentum dependent and collinear factorization approaches areconsistentwith each other in the description of the Collins effects in the semi-inclusivehadron production in DIS process.
Date:
September 11, 2009
Creator:
Yuan, Feng
Object Type:
Article
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 26, No. 17, Ed. 1 Friday, September 11, 2009
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
September 11, 2009
Creator:
Nash, Tammye
Object Type:
Newspaper
System:
The UNT Digital Library
Designing the Ideal Uranyl Ligand: a Sterically-Induced Speciation Change in Complexes with Thiophene-Bridged Bis(3-hydroxy-N-methylpyridin-2-one)
Structural characterization of a mononuclear uranyl complex with a tetradentate, thiophene-linked bis(3-hydroxy-N-methylpyridin-2-one) ligand reveals the most planar coordination geometry yet observed with this ligand class. The introduction of ethylsulfanyl groups onto the thiophene linker disrupts this planar, conjugated ligand arrangement, resulting in the formation of dimeric (UO{sub 2}){sub 2}L{sub 2} species in which each ligand spans two uranyl centers. Relative energy calculations reveal that this tendency toward dimer formation is the result of steric interference between ethylsulfanyl substituents and linking amides.
Date:
September 11, 2009
Creator:
Szigethy, Geza & Raymond, Kenneth N.
Object Type:
Article
System:
The UNT Digital Library
Energy in the Environment - Initiatives 2004-08
Under the Energy and Environment Initiative, the GWPC/GWPRF will expand the oil and gas electronic commerce initiatives used to enhance the Risk Based Data Management System (RBDMS) and the Cost Effective Regulatory Approach (CERA). The GWPC/GWPRF has identified the following priorities for work efforts during the time period that will act as the base from which selections for each work period will be proposed. Work tasks will be presented for each reporting period by the GWPC from areas selected from the general list of priorities.
Date:
September 11, 2009
Creator:
Jehn, Paul
Object Type:
Report
System:
The UNT Digital Library
Estimation of unsaturated zone traveltimes for Rainier Mesa and Shoshone Mountain, Nevada Test Site, Nevada, using a source-responsive preferential-flow model
Traveltimes for contaminant transport by water from a point in the unsaturated zone to the saturated zone are a concern at Rainier Mesa and Shoshone Mountain in the Nevada Test Site, Nevada. Where nuclear tests were conducted in the unsaturated zone, contaminants must traverse hundreds of meters of variably saturated rock before they enter the saturated zone in the carbonate rock, where the regional groundwater system has the potential to carry them substantial distances to a location of concern. The unsaturated-zone portion of the contaminant transport path may cause a significant delay, in addition to the time required to travel within the saturated zone, and thus may be important in the overall evaluation of the potential hazard from contamination. Downward contaminant transport through the unsaturated zone occurs through various processes and pathways; this can lead to a broad distribution of contaminant traveltimes, including exceedingly slow and unexpectedly fast extremes. Though the bulk of mobile contaminant arrives between the time-scale end members, the fastest contaminant transport speed, in other words the speed determined by the combination of possible processes and pathways that would bring a measureable quantity of contaminant to the aquifer in the shortest time, carries particular regulatory significance because …
Date:
September 11, 2009
Creator:
Ebel, Brian A. & Nimmo, John R.
Object Type:
Report
System:
The UNT Digital Library
EVALUATION OF A TECHNETIUM-99 DETECTOR BASED ON LABORATORY TESTING FOR USE IN IN-SITU VADOSE ZONE APPLICATIONS
This document evaluates the feasibility of in-situ detection of technetium-99 in Hanford Site vadose zone soils (the soils between the surface and groundwater) using laboratory tests. The detector system performs adequately for high technetium concentration, but more development and laboratory testing is needed before field demonstration is performed.
Date:
September 11, 2009
Creator:
Mann, F. M. & Myers, D. A.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, September 11, 2009
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 11, 2009
Creator:
Pittman, Jerry & Wray, Kelly
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Greensheet (Dallas, Tex.), Vol. 33, No. 160, Ed. 1 Friday, September 11, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
September 11, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Dallas, Tex.), Vol. 33, No. 161, Ed. 1 Friday, September 11, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
September 11, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 40, No. 382, Ed. 1 Friday, September 11, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
September 11, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 40, No. 383, Ed. 1 Friday, September 11, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
September 11, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 40, No. 384, Ed. 1 Friday, September 11, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
September 11, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The GV Tribune (Grandview, Tex.), Vol. 114, No. 36, Ed. 1 Friday, September 11, 2009
Weekly newspaper from Grandview, Texas that includes local, state, and national news along with advertising.
Date:
September 11, 2009
Creator:
Buck, Erin
Object Type:
Newspaper
System:
The Portal to Texas History
The Haitian Economy and the HOPE Act
This report is categorized into five categories: (I) Political and Social Challenges to Haitian Development, (II) Economic Background, (III) Apparel Assembly in Haiti, (IV) The Haiti Hope Act and (V) Implementing the Hope Act.
Date:
September 11, 2009
Creator:
Hornbeck, J. F.
Object Type:
Report
System:
The UNT Digital Library
The Harper News (Harper, Tex.), Vol. 6, No. 22, Ed. 1 Friday, September 11, 2009
Biweekly newspaper from Harper, Texas that includes community news along with advertising.
Date:
September 11, 2009
Creator:
Stevens, Martha
Object Type:
Newspaper
System:
The Portal to Texas History
Hudspeth County Herald and Dell Valley Review (Dell City, Tex.), Vol. 53, No. 49, Ed. 1 Friday, September 11, 2009
Weekly newspaper from Dell City, Texas that includes local, state, and national news along with advertising.
Date:
September 11, 2009
Creator:
Stuart, Andrew
Object Type:
Newspaper
System:
The Portal to Texas History
Indirect Determination of the 230Th(n,f) and 231Th(n,f) Cross Sections for Thorium-Based Nuclear Energy Systems
The Surrogate Ratio Method (SRM) was employed in the first experimental determination of the 231Th(n,f) cross section, relative to the 235U(n,f) cross section, over an equivalent neutron energy range of 360 keV to 10 MeV. The 230Th(n,f) cross section was also deduced using the SRM, relative to the 234U(n,f) cross section, over an equivalent neutron energy range of 220 keV to 25 MeV. The desired compound nuclei were populated using (3He,3He) and (3He) reactions on targets of 232Th and 236U and relative fission decay probabilities were measured. The surrogate 230,231Th(n,f) cross sections were compared to cross section evaluations and directly-measured experimental data, where available.
Date:
September 11, 2009
Creator:
Stroberg, S.R.; Allmond, J.M.; Angell, C.; Bernstein, L.A.; Bleuel, D.L.; Burke, J.T. et al.
Object Type:
Article
System:
The UNT Digital Library
Iran's Nuclear Program: Tehran's Compliance with International Obligations
This report provides a brief overview of Iran's nuclear program and describes the legal basis for the actions taken by the IAEA board and the Security Council. It will be updated as events warrant.
Date:
September 11, 2009
Creator:
Kerr, Paul K.
Object Type:
Report
System:
The UNT Digital Library
LambdaStation: Exploiting Advance Networks In Data Intensive High Energy Physics Applications
Lambda Station software implements selective, dynamic, secure path control between local storage & analysis facilities, and high bandwidth, wide-area networks (WANs). It is intended to facilitate use of desirable, alternate wide area network paths which may only be intermittently available, or subject to policies that restrict usage to specified traffic. Lambda Station clients gain awareness of potential alternate network paths via Clarens-based web services, including path characteristics such as bandwidth and availability. If alternate path setup is requested and granted, Lambda Station will configure the local network infrastructure to properly forward designated data flows via the alternate path. A fully functional implementation of Lambda Station, capable of dynamic alternate WAN path setup and teardown, has been successfully developed. A limited Lambda Station-awareness capability within the Storage Resource Manager (SRM) product has been developed. Lambda Station has been successfully tested in a number of venues, including Super Computing 2008. LambdaStation software, developed by the Fermilab team, enables dynamic allocation of alternate network paths for high impact traffic and to forward designated flows across LAN. It negotiates with reservation and provisioning systems of WAN control planes, be it based on SONET channels, demand tunnels, or dynamic circuit networks. It creates End-To-End circuit …
Date:
September 11, 2009
Creator:
Newman, Harvey B.
Object Type:
Report
System:
The UNT Digital Library
Medicare Program Changes in H.R. 3200, America’s Affordable Health Choices Act of 2009
None
Date:
September 11, 2009
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library