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340 Waste handling Facility Hazard Categorization and Safety Analysis
The analysis presented in this document provides the basis for categorizing the facility as less than Hazard Category 3.
Date:
October 25, 2010
Creator:
Rodovsky, T. J.
Object Type:
Report
System:
The UNT Digital Library
2010 Census: Data Collection Is Under Way, but Reliability of Key Information Technology Systems Remains a Risk
Testimony issued by the Government Accountability Office with an abstract that begins "In March 2008, GAO designated the 2010 Census a high-risk area in part because of information technology (IT) shortcomings and uncertainty over the ultimate cost of the census, now estimated at around $15 billion. The U.S. Census Bureau (Bureau) has since made improvements to various IT systems and taken other steps to mitigate the risks to a successful census. However, last year, GAO noted that a number of challenges and uncertainties remained, and much work remained to be completed under very tight time frames. As requested, this testimony provides an update on the Bureau's readiness for an effective headcount, covering (1) the reliability of key IT systems; (2) a broad range of activities critical to an effective headcount, some of which were problematic in either earlier 2010 operations or in the 2000 Census, and (3) the quality of the Bureau's cost estimates. The testimony is based on previously issued and ongoing GAO work."
Date:
March 25, 2010
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
2010 INORGANIC CHEMISTRY GORDON RESEARCH CONFERENCE JUNE 20 - 25, 2010
The Inorganic Chemistry GRC is one of the longest-standing of the GRCs, originating in 1951. Over the years, this conference has played a role in spawning many other GRCs in specialized fields, due to the involvement of elements from most of the periodic table. These include coordination, organometallic, main group, f-element, and solid state chemistries; materials science, catalysis, computational chemistry, nanotechnology, bioinorganic, environmental, and biomedical sciences just to name a few. The 2010 Inorganic Chemistry GRC will continue this tradition, where scientists at all levels from academic, industrial, and national laboratories meet to define the important problems in the field and to highlight emerging opportunities through exchange of ideas and discussion of unpublished results. Invited speakers will present on a wide variety of topics, giving attendees a look at areas both inside and outside of their specialized areas of interest. In addition to invited speakers, the poster sessions at GRCs are a key feature of the conference. All conferees at the Inorganic Chemistry GRC are invited to present a poster on their work, and here the informal setting promotes the free exchange of ideas and fosters new relationships. As in previous years, we will offer poster presenters the opportunity to …
Date:
June 25, 2010
Creator:
LOCKEMEYER, JOHN
Object Type:
Article
System:
The UNT Digital Library
2010 Soil Characterization Report for the Area 11 Explosive Ordnance Disposal Unit, Nevada Test Site
This soil characterization report summarizes sampling activities and analytical results, provides copies of laboratory data reports, and meets the requirements of Section IV.G.2 of the Permit (NEV HW0021, November 2005) and Sections P.3.d.7.b and P.3.n of the Permit Application (DOE/NV--1053-VOL 4, May 2005).
Date:
February 25, 2010
Creator:
National Security Technologies, LLC
Object Type:
Report
System:
The UNT Digital Library
Acceleration of polarized protons in the AGS
The high energy (s{sup 1/2} = 500 GeV) polarized proton beam experiments performed in RHIC, require high polarization of the proton beam. With the AGS used as the pre-injector to RHIC, one of the main tasks is to preserve the polarization of the proton beam, during the beam acceleration in the AGS. The polarization preservation is accomplished by the two partial helical magnets [1,2,3,4,5,6,7] which have been installed in AGS, and help overcome the imperfection and the intrinsic spin resonances which occur during the acceleration of protons. This elimination of the intrinsic resonances is accomplished by placing the vertical tune Q{sub y} at a value close to 8.98, within the spin-tune stop-band created by the snake. At this near integer tune the perturbations caused by the partial helical magnets is large resulting in large beta and dispersion waves. To mitigate the adverse effect of the partial helices on the optics of the AGS, we have introduced compensation quads[2] in the AGS. In this paper we present the beam optics of the AGS which ameliorates this effect of the partial helices.
Date:
February 25, 2010
Creator:
Tsoupas, N.; Ahrens, L.; Bai, M.; Brown, K.; Courant, E.; Glenn, J. W. et al.
Object Type:
Report
System:
The UNT Digital Library
Accelerator Production Options for 99MO
Shortages of {sup 99}Mo, the most commonly used diagnostic medical isotope, have caused great concern and have prompted numerous suggestions for alternate production methods. A wide variety of accelerator-based approaches have been suggested. In this paper we survey and compare the various accelerator-based approaches.
Date:
August 25, 2010
Creator:
Bertsche, Kirk
Object Type:
Article
System:
The UNT Digital Library
Activation Energy of Tantalum-Tungsten Oxide Thermite Reaction
The activation energy of a high melting temperature sol-gel (SG) derived tantalum-tungsten oxide thermite composite was determined using the Kissinger isoconversion method. The SG derived powder was consolidated using the High Pressure Spark Plasma Sintering (HPSPS) technique to 300 and 400 C to produce pellets with dimensions of 5 mm diameter by 1.5 mm height. A custom built ignition setup was developed to measure ignition temperatures at high heating rates (500-2000 C {center_dot} min{sup -1}). Such heating rates were required in order to ignite the thermite composite. Unlike the 400 C samples, results show that the samples consolidated to 300 C undergo an abrupt change in temperature response prior to ignition. This change in temperature response has been attributed to the crystallization of the amorphous WO{sub 3} in the SG derived Ta-WO{sub 3} thermite composite and not to a pre-ignition reaction between the constituents. Ignition temperatures for the Ta-WO{sub 3} thermite ranged from approximately 465-670 C. The activation energy of the SG derived Ta-WO{sup 3} thermite composite consolidated to 300 and 400 C were determined to be 37.787 {+-} 1.58 kJ {center_dot} mol{sup -1} and 57.381 {+-} 2.26 kJ {center_dot} mol{sup -1}, respectively.
Date:
February 25, 2010
Creator:
Cervantes, O.; Kuntz, J.; Gash, A. & Munir, Z.
Object Type:
Article
System:
The UNT Digital Library
Activation Layer Stabilization of High Polarization Photocathodes in Sub-Optimal RF Gun Environments
We have developed an activation procedure by which the reactivity to CO{sub 2}, a principal cause of yield decay for GaAs photocathodes, is greatly reduced. The use of a second alkali in the activation process is responsible for the increased immunity of the activated surface. The best immunity was obtained by using a combination of Cs and Li without any loss in near bandgap yield. Optimally activated photocathodes have nearly equal quantities of both alkalis.
Date:
August 25, 2010
Creator:
Mulhollan, Gregory & /SLAC /Saxed Surface Science, Austin, TX
Object Type:
Report
System:
The UNT Digital Library
The added economic and environmental value of plug-in electric vehicles connected to commercial building microgrids
Connection of electric storage technologies to smartgrids or microgrids will have substantial implications for building energy systems. In addition to potentially supplying ancillary services directly to the traditional centralized grid (or macrogrid), local storage will enable demand response. As an economically attractive option, mobile storage devices such as plug-in electric vehicles (EVs) are in direct competition with conventional stationary sources and storage at the building. In general, it is assumed that they can improve the financial as well as environmental attractiveness of renewable and fossil based on-site generation (e.g. PV, fuel cells, or microturbines operating with or without combined heat and power). Also, mobile storage can directly contribute to tariff driven demand response in commercial buildings. In order to examine the impact of mobile storage on building energy costs and carbon dioxide (CO2) emissions, a microgrid/distributed-energy-resources (DER) adoption problem is formulated as a mixed-integer linear program with minimization of annual building energy costs applying CO2 taxes/CO2 pricing schemes. The problem is solved for a representative office building in the San Francisco Bay Area in 2020. By using employees' EVs for energy management, the office building can arbitrage its costs. But since the car battery lifetime is reduced, a business model …
Date:
August 25, 2010
Creator:
Stadler, Michael; Momber, Ilan; Megel, Olivier; Gomez, Tomás; Marnay, Chris; Beer, Sebastian et al.
Object Type:
Article
System:
The UNT Digital Library
The AdS/QCD Correspondence and Exclusive Processes
The AdS/CFT correspondence between theories in AdS space and conformal field theories in physical space-time provides an analytic, semi-classical, color-confining model for strongly-coupled QCD. The soft-wall AdS/QCD model modified by a positive-sign dilaton metric leads to a remarkable one-parameter description of nonperturbative hadron dynamics at zero quark mass, including a zero-mass pion and a Regge spectrum of linear trajectories with the same slope in orbital angular momentum L and radial quantum number n for both mesons and baryons. One also predicts the form of the non-perturbative effective coupling {alpha}{sub s}{sup AdS}(q) and its {beta}-function which agrees with the effective coupling {alpha}{sub ga} extracted from the Bjorken sum rule. Light-front holography, which connects the fifth-dimensional coordinate of AdS space z to an invariant impact separation variable {zeta}, allows one to compute the analytic form of the frame-independent light-front wavefunctions, the fundamental entities which encode hadron properties as well as decay constants, form factors, deeply virtual Compton scattering, exclusive heavy hadron decays and other exclusive scattering amplitudes. One thus obtains a relativistic description of hadrons in QCD at the amplitude level with dimensional counting for hard exclusive reactions at high momentum transfer. As specific examples we discuss the behavior of the pion …
Date:
August 25, 2010
Creator:
Brodsky, Stanley J.; /SLAC /Southern Denmark U., CP3-Origins; de Teramond, Guy F.; U., /Costa Rica; Deur, Alexandre & Lab, /Jefferson
Object Type:
Article
System:
The UNT Digital Library
Afghanistan Casualties: Military Forces and Civilians
This report collects statistics from a variety of sources on casualties sustained during Operation Enduring Freedom (OEF), which began on October 7, 2001. OEF actions took place primarily in Afghanistan; however, OEF casualties also includes American casualties in Pakistan, Uzbekistan, Guantanamo Bay (Cuba), Djibouti, Eritrea, Ethiopia, Jordan, Kenya, Kyrgyzstan, the Philippines, Seychelles, Sudan, Tajikistan, Turkey, and Yemen.
Date:
March 25, 2010
Creator:
Chesser, Susan G.
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Politics, Elections, and Government Performance
This report discusses the current political state of Afghanistan, as well as the Afghan government. This report also discusses Afghanistan's relationship with the United States, particularly U.S. efforts to urge President Hamid Karzai to address corruption within the Afghan government.
Date:
January 25, 2010
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Post-Taliban Governance, Security, and U.S. Policy
This report discusses the current political state of Iran, focusing particularly on the influence of the Taliban and other militant groups and on the leadership of Afghan President Hamid Karzai. This report also discusses the U.S.-Iran relationship and U.S. efforts under the Obama Administration to provide military, reconstructive, and stabilization aid.
Date:
March 25, 2010
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: Post-Taliban Governance, Security, and U.S. Policy
This report discusses the current political state of Afghanistan, focusing particularly on the influence of the Taliban and other militant groups and on the leadership of Afghan President Hamid Karzai. This report also discusses the U.S.-Afghanistan relationship and U.S. efforts under the Obama Administration to provide military, reconstructive, and stabilization aid.
Date:
June 25, 2010
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
Afghanistan: U.S. Foreign Assistance
The U.S. program of assistance to Afghanistan is intended to stabilize and strengthen the Afghan economic, social, political, and security environment so as to blunt popular support for extremist forces in the region. Since 2001, nearly $47 billion has been appropriated toward this effort. This report provides a "big picture" overview of the U.S. aid program and congressional action. It describes what various aid agencies report they are doing in Afghanistan. It does not address the effectiveness of their programs.
Date:
June 25, 2010
Creator:
Tarnoff, Curt
Object Type:
Report
System:
The UNT Digital Library
Agricultural Conservation: A Guide to Programs
This report provides a listing of federal agricultural conservation assistance programs. Each listing includes a brief description of the program, information on major amendments in the Agricultural Act of 2014 (P.L. 113-79, 2014 farm bill), national scope and availability, states with the greatest participation, the backlog of applications or other measures of continuing interest, program funding authority, FY2018 funding, FY2019 Administration budget request, statutory authority, the authorization expiration date, and a link to the program's website.
Date:
March 25, 2010
Creator:
Stubbs, Megan
Object Type:
Report
System:
The UNT Digital Library
Agricultural Disaster Assistance
This report has two sections. The first provides an overview of the current U.S. Department of Agriculture (USDA) disaster assistance programs: federal crop insurance, NAP payments, emergency disaster loans, the new Supplemental Revenue Assistance Payments Program (SURE), and four other smaller disaster programs authorized in the 2008 farm bill. The second section reviews the recent history of emergency supplemental farm disaster assistance.
Date:
October 25, 2010
Creator:
Shields, Dennis A. & Chite, Ralph M.
Object Type:
Report
System:
The UNT Digital Library
The AGS with four helical magnets
The idea of using multiple partial helical magnets was applied successfully to the AGS synchrotron, to preserve the proton beam polarization. In this paper we explore in details the idea of using four helical magnets placed symmetrically in the AGS ring. This modification provides many advantages over the present setup of the AGS that uses two partial helical magnets. First, it provides a larger 'spin tune gap' for the placement of the vertical betatron tune of the AGS during acceleration, second, the vertical spin direction during the beam injection and extraction is closer to vertical, third, the symmetric placement of the snakes allows for a better control of the AGS optics, and for reduced values of the beta and eta functions, especially near injection, fourth, the optical properties of the helical magnets also favor the placement of the horizontal betatron tune in the 'spin tune gap', thus eliminating the horizontal spin resonances. In this paper we provide results on the spin tune and on the optics of the AGS with four partial helical magnets, and we compare these results with the present setup of the AGS that uses two partial helical magnets.
Date:
February 25, 2010
Creator:
Tsoupas, N.; Huang, H.; MacKay, W. W.; Roser, T. & Trbojevic, D.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 134, No. 44, Ed. 1 Thursday, March 25, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
March 25, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Albany News (Albany, Tex.), Vol. 135, No. 27, Ed. 1 Thursday, November 25, 2010
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
November 25, 2010
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
All Tree-level Amplitudes in Massless QCD
We derive compact analytical formulae for all tree-level color-ordered gauge theory amplitudes involving any number of external gluons and up to three massless quark-anti-quark pairs. A general formula is presented based on the combinatorics of paths along a rooted tree and associated determinants. Explicit expressions are displayed for the next-to-maximally helicity violating (NMHV) and next-to-next-to-maximally helicity violating (NNMHV) gauge theory amplitudes. Our results are obtained by projecting the previously-found expressions for the super-amplitudes of the maximally supersymmetric Yang-Mills theory (N = 4 SYM) onto the relevant components yielding all gluon-gluino tree amplitudes in N = 4 SYM. We show how these results carry over to the corresponding QCD amplitudes, including massless quarks of different flavors as well as a single electroweak vector boson. The public Mathematica package GGT is described, which encodes the results of this work and yields analytical formulae for all N = 4 SYM gluon-gluino trees. These in turn yield all QCD trees with up to four external arbitrary-flavored massless quark-anti-quark-pairs.
Date:
October 25, 2010
Creator:
Dixon, Lance J.; Henn, Johannes M.; Plefka, Jan & Schuster, Theodor
Object Type:
Article
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 112, No. 58, Ed. 1 Thursday, February 25, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 25, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 78, Ed. 1 Thursday, March 25, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 25, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 100, Ed. 1 Sunday, April 25, 2010
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 25, 2010
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History