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Hurricane Katrina: Planning for and Management of Federal Disaster Recovery Contracts

Description: Testimony issued by the Government Accountability Office with an abstract that begins "The devastation experienced throughout the Gulf Coast region in the wake of Hurricanes Katrina and Rita has called into question the government's ability to effectively respond to such disasters. The government needs to understand what went right and what went wrong, and to apply these lessons to strengthen its disaster response and recovery operations. The federal government relies on partnerships across the… more
Date: April 10, 2006
Creator: United States. Government Accountability Office.
Item Type: Refine your search to only Text
Partner: UNT Libraries Government Documents Department
open access

Content Provider Interviews: Summary Report

Description: This report is part of the Web-at-Risk project. This report summarizes the results of the interviews with content providers. Section 2 identifies the interview methodology. Section 3 describes the results and Section 4 discusses the major findings.
Date: April 10, 2006
Creator: Murray, Kathleen R.
Item Type: Refine your search to only Report
Partner: UNT Libraries
open access

Chemical imaging of biological materials by NanoSIMS using isotopic and elemental labels

Description: The NanoSIMS 50 combines unprecedented spatial resolution (as good as 50 nm) with ultra-high sensitivity (minimum detection limit of {approx}200 atoms). The NanoSIMS 50 incorporates an array of detectors, enabling simultaneous collection of 5 species originating from the same sputtered volume of a sample. The primary ion beam (Cs{sup +} or O{sup -}) can be scanned across the sample to produce quantitative secondary ion images. This capability for multiple isotope imaging with high spatial resol… more
Date: April 10, 2006
Creator: Weber, P K; Fallon, S J; Pett-Ridge, J; Ghosal, S & Hutcheon, I D
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Characterization of chemical bonding in low-k dielectric materialsfor interconnect isolation: a xas and eels study

Description: The use of low dielectric constant materials in the on-chipinterconnect process reduces interconnect delay, power dissipation andcrosstalk noise. To achieve the requirements of the ITRS for 2007-2009minimal sidewall damage from etch, ash or cleans is required. In chemicalvapor deposited (CVD) organo-silicate glass (OSG) which are used asintermetal dielectric (IMD) materials the substitution of oxygen in SiO2by methyl groups (-CH3) reduces the permittivity significantly (from 4.0in SiO2 to 2.6-3… more
Date: April 10, 2006
Creator: Hoffmann, P.; Schmeisser, D.; Engelmann, H. J.; Zschech, E.; Stegmann, H.; Himpsel, F. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Hydrogeologic Assessment of the 4-S Land and Cattle CompanyRanch

Description: Hydrogeological assessment of the 4-S Land and Cattle Company (4-S Ranch) was conducted using a combination of field investigations and a survey of available literature from nearby agricultural water districts and other entities. The 4-S Ranch has been able to meet most of its own water needs providing irrigated pasture for beef cattle by an active program of shallow groundwater pumping in these miconfined aquifer above the Corcoran Clay. Comparison of groundwater pumping on the 4-S Ranch prope… more
Date: April 10, 2006
Creator: Quinn, Nigel W.T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Medicaid Issues for the 109th Congress

Description: Medicaid is jointly financed by the federal and state governments, but each state designs and administers its own state program under broad federal guidelines. Accordingly, state variation in eligibility, covered services, and the delivery of, and reimbursement for, services is the rule rather than the exception. How is Congress to respond to the numerous proposals to move Medicaid forward into the near and long term? This report lays out some of these issues, explains the factors underlying th… more
Date: April 10, 2006
Creator: Hearne, Jean
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Agriculture Conservation Programs: A Scorecard

Description: This report provides basic information on several agriculture conservation programs, primarily drawn from agency budget presentations and websites, about each program using a consistent format. This information should help respond to basic questions and resolve many common sources of confusion about the purposes of the program, program participation and policy topics.
Date: April 10, 2006
Creator: Zinn, Jeffrey & Cowan, Tadlock
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Electric Field Assisted Assembly of Perpendicular Oriented NanorodSuperlattices

Description: We observe the assembly of CdS nanorod superlattices by thecombination of a DC electric field and solvent evaporation. In eachelectric field (1 V/um) assisted assembly, CdS nanorods (5 x 30 nm)suspended initially in toluene were observed to align perpendicularly tothe substrate. Azimuthal alignment along the nanorod crystal faces andthe presence of stacking faults indicate that both 2D and 3D assemblieswere formed by a process of controlled super crystal growth.
Date: April 10, 2006
Creator: Ryan, Kevin M.; Mastroianni, Alex; Stancil, Kimani A.; Liu,Haitao & Alivisatos, A. P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Measurement of the B- -> D0K*- Branching Fraction

Description: From a sample of 232 million {Upsilon}(4S) {yields} B{bar B} events collected with the BABAR detector at the PEP-II B Factory in 1999-2004, they measure the B{sup -} {yields} D{sup 0} K*{sup -}(892) decay branching fraction using events where the K*{sup -} is reconstructed in the K{sub S}{sup 0}{pi}{sup -} mode and the D{sup 0} in the K{sup -}{pi}{sup +}, K{sup -}{pi}{sup +}{pi}{sup 0}, and K{sup -}{pi}{sup +}{pi}{sup +}{pi}{sup -} channels: {Beta}(B{sup -} {yields} D{sup 0}K*{sup -}(892)) = (5… more
Date: April 10, 2006
Creator: Aubert, B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Measurement of B0bar -> D(*)0 K(*)0bar BranchingFractions

Description: The authors present a study of the decays {bar B}{sup 0} {yields} D{sup (*)0}{bar K}{sup (*)0} using a sample of 226 million {Upsilon}(4S) {yields} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC. They report evidence for the decay of B{sup 0} and {bar B}{sup 0} mesons to the D*{sup 0}K{sub S}{sup 0} final state with an average branching fraction {Beta}({bar B}{sup 0} {yields} D*{sup 0} {bar K}{sup 0}) {triple_bond} {Beta}({bar… more
Date: April 10, 2006
Creator: Aubert, B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Search for the Decay $\tau^- \rightarrow 3\pi^- 2\pi^+2\pi^0 \nu_\tau$

Description: A search for the decay of the {tau} lepton to five charged and two neutral pions is performed using data collected by the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} collider. The analysis uses 232 fb{sup -1} of data at center-of-mass energies on or near the {Upsilon}(4S) resonance. We observe 10 events with an expected background of 6.5{sub -1.4}{sup +2.0} events. In the absence of a signal, we set the limit on the branching ratio {Beta}({tau}{sup -} {yields} 3{pi}{sup -}2{… more
Date: April 10, 2006
Creator: Aubert, B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Pulsar Electrodynamics: a Time-dependent View

Description: Pulsar spindown forms a reliable yet enigmatic prototype for the energy loss processes in many astrophysical objects including accretion disks and back holes. In this paper we review the physics of pulsar magnetospheres, concentrating on recent developments in force-free modeling of the magnetospheric structure. In particular, we discuss a new method for solving the equations of time-dependent force-free relativistic MHD in application to pulsars. This method allows to dynamically study the for… more
Date: April 10, 2006
Creator: Spitkovsky, Anatoly
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

The LLNL Heavy Element Facility -- Facility Management, Authorization Basis, and Readiness Assessment Lessons Learned in the Heavy Element Facility (B251) Transition from Category II Nuclear Facility to Radiological Facility

Description: This paper presents Facility Management, Readiness Assessment, and Authorization Basis experience gained and lessons learned during the Heavy Element Facility Risk Reduction Program (RRP). The RRP was tasked with removing contaminated glove boxes, radioactive inventory, and contaminated ventilation systems from the Heavy Element Facility (B251) at Lawrence Livermore National Laboratory (LLNL). The RRP was successful in its goal in April 2005 with the successful downgrade of B251 from a Category… more
Date: April 10, 2006
Creator: Mitchell, M.; Anderson, B.; Brown, E. & Gray, L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Modeling the QCD Equation of State in Relativistic Heavy Ion Collisions on BlueGene/L

Description: On 9,10 Feb 2006 a workshop was held at LLNL to discuss how a 10% allocation of the ASC BG/L supercomputer performing a finite temperature Lattice QCD (LQCD) calculation of the equation of state and non-equilibrium properties of the quark-gluon state of matter could lead to a breakthrough in our understanding of recent data from the Relativistic Heavy Ion Collider at Brookhaven National Lab. From this meeting and subsequent discussions we present a detailed plan for this calculation, including … more
Date: April 10, 2006
Creator: Soltz, R.; Grady, J.; Hartouni, E. P.; Gupta, R.; Vitev, I.; Mottola, E. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

CORROSION RESISTANCE OF STRUCTURAL AMORPHOUS METAL

Description: Corrosion costs the Department of Defense billions of dollars every year, with an immense quantity of material in various structures undergoing corrosion. For example, in addition to fluid and seawater piping, ballast tanks, and propulsions systems, approximately 345 million square feet of structure aboard naval ships and crafts require costly corrosion control measures. The use of advanced corrosion-resistant materials to prevent the continuous degradation of this massive surface area would be… more
Date: April 10, 2006
Creator: Lian, T; Day, S D & Farmer, J C
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

An Analysis of the X-Ray Diffraction Signal for the (alpha) - (epsilon) Transition in Shock-Compressed Iron: Simulation and Experiment

Description: Recent published work has shown that the phase change of shock compressed iron along the [001] direction does transform to the {epsilon} (HCP) phase similar to the case for static measurements. This article provides an indepth analysis of the experiment and NEMD simulations, using x-ray diffraction in both cases to study the crystal structure upon transition. Both simulation and experiment are consistent with a compression and shuffle mechanism responsible for the phase change from BCC to HCP. … more
Date: April 10, 2006
Creator: Hawreliak, J; Colvin, J D; Kalantar, D H; Lorenzana, H E; Stolken, J S; Davies, H M et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Phenomenological Theory of the Photoevaporation Front Instability

Description: The dynamics of photoevaporated molecular clouds is determined by the ablative pressure acting on the ionization front. An important step in the understanding of the ensuing motion is to develop the linear stability theory for the initially flat front. Despite the simplifications introduced by the linearization, the problem remains quite complex and still draws a lot of attention. The complexity is related to the large number of effects that have to be included in the analysis: acceleration of … more
Date: April 10, 2006
Creator: Ryutov, D. D.; Kane, J. O.; Mizuta, A.; Pound, M. W. & Remington, B. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Time-dependent Force-free Pulsar Magnetospheres: Axisymmetric and Oblique Rotators

Description: Magnetospheres of many astrophysical objects can be accurately described by the low-inertia (or ''force-free'') limit of MHD. We present a new numerical method for solution of equations of force-free relativistic MHD based on the finite-difference time-domain (FDTD) approach with a prescription for handling spontaneous formation of current sheets. We use this method to study the time-dependent evolution of pulsar magnetospheres in both aligned and oblique magnetic geometries. For the aligned ro… more
Date: April 10, 2006
Creator: Spitkovsky, Anatoly
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

First principles simulation of a superionic phase of hydrogen fluoride (HF) at high pressures and temperatures

Description: The authors have conducted Ab initio molecular dynamics simulations of hydrogen fluoride (HF) at pressures of 5-66 GPa along the 900 K isotherm. They predict a superionic phase at 33 GPa, where the fluorine atoms are fixed in a bcc lattice while the hydrogen atoms diffuse rapidly with a diffusion constant of between 2 x 10{sup -5} and 5 x 10{sup -5} cm{sup 2}/s. They find that a transformation from asymmetric to symmetric hydrogen bonding occurs in HF at 66 GPa and 900 K. With superionic HF the… more
Date: April 10, 2006
Creator: Goldman, N & Fried, L E
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Cross-Roll Flow Forming of ODS Alloy Heat Exchanger Tubes For Hoop Creep Enhancement, Quarterly Technical Progress Report: October-December 2005

Description: Mechanically alloyed oxide dispersion strengthened (ODS) Fe-Cr-Al alloy thin walled tubes and sheets, produced via powder processing and consolidation methodologies, are promising materials for eventual use at temperatures up to 1200 C in the power generation industry, far above the temperature capabilities of conventional alloys. Target end-uses range from gas turbine combustor liners to high aspect ratio (L/D) heat exchanger tubes. Grain boundary creep processes at service temperatures, parti… more
Date: April 10, 2006
Creator: Kad, Bimal K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Surveillance of Site A and Plot M - Report for 2005.

Description: The results of the environmental surveillance program conducted at Site A/Plot M in the Palos Forest Preserve area for Calendar Year 2005 are presented. Based on the results of the 1976-1978 radiological characterization of the site, a determination was made that a surveillance program be established. The characterization study determined that very low levels of hydrogen-3 (as tritiated water) had migrated from the burial ground and were present in two nearby handpumped picnic wells. The curren… more
Date: April 10, 2006
Creator: Golchert, N. W. & Oversight, ESH /QA
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Evaluation of geophysical methods for the detection of subsurfacetetracgloroethyene in controlled spill experiments

Description: A controlled Tetrachloroethylene (PCE) spill experiment was conducted in a multi-layer formation consisting of sand and clayey-sandlayers. The purpose of the work was to determine the detection limits and capability of various geophysical methods. Measurements were made with ten different geophysical techniques before, during, and after the PCE injection. This experiment provided a clear identification of any geophysical anomalies associated with the presence of the PCE. During the injection pe… more
Date: April 10, 2006
Creator: Mazzella, Aldo & Majer, Ernest L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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