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Environmental Protection: Employees Who Made Allegations and Left EPA

Description: Correspondence issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on three former Environmental Protection Agency (EPA) employees who made allegations against EPA and then resigned, focusing on: (1) why the individuals had left; and (2) their current employment status."
Date: March 2, 1999
Creator: United States. General Accounting Office.
Item Type: Refine your search to only Text
Partner: UNT Libraries Government Documents Department
open access

Defense Reform Initiative: Progress, Opportunities, and Challenges

Description: Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed the Department of Defense's (DOD) efforts to reform how it does business, focusing on the: (1) actions taken by DOD to provide program direction and momentum to the Defense Reform Initiative (DRI) effort; (2) additional steps that could be taken to facilitate a more comprehensive reform effort; (3) impact of the current initiatives on DOD's budget process; (4) progr… more
Date: March 2, 1999
Creator: United States. General Accounting Office.
Item Type: Refine your search to only Text
Partner: UNT Libraries Government Documents Department
open access

Year 2000 Computing Crisis: Defense Has Made Progress, But Additional Management Controls Are Needed

Description: Testimony issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO discussed the Department of Defense's (DOD) efforts to solve the year 2000 computer systems problem."
Date: March 2, 1999
Creator: United States. General Accounting Office.
Item Type: Refine your search to only Text
Partner: UNT Libraries Government Documents Department
open access

Fabrication and characterization of a porous-matrix oxide fibrous monoliths.

Description: We have fabricated unidirectional fibrous monoliths based on dense ZrSiO{sub 4} cells that are surrounded by a porous, weak ZrSiO{sub 4} cell boundary phase. We coextruded a duplex filament, cut it to short lengths, bundled the lengths and packed them into an extruder, and then extruded a new filament. This filament was cut and packed into a bar die to produce test specimens. After heat treatment, the specimens were tested in four-point flexure and examined by scanning electron microscopy. Load… more
Date: March 2, 1999
Creator: Polzin, B. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Spherical harmonic results for the 3D Kobayashi Benchmark suite

Description: Spherical harmonic solutions are presented for the Kobayashi benchmark suite. The results were obtained with Ardra, a scalable, parallel neutron transport code developed at Lawrence Livermore National Laboratory (LLNL). The calculations were performed on the IBM ASCI Blue-Pacific computer at LLNL.
Date: March 2, 1999
Creator: Brown, P. N.; Chang, B. & Hanebutte, U. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Development of oxide fibrous monolith systems.

Description: Fibrous monolithic ceramics generally have a cellular structure that consists of a strong cell surrounded by a weaker boundary phase [1-5]. Fibrous monoliths (FMs) are produced from powders by conventional ceramic fabrication techniques, such as extrusion [1,2]. When properly engineered, they exhibit fail gracefully [3-5]. Several compositions of ceramics and cermets have been processed successfully in fibrous monolithic form [4]. The most thoroughly investigated fibrous monolith consists of Si… more
Date: March 2, 1999
Creator: Goretta, K. C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Effect of High-Voltage Heterojunction Bipolar Transistor Collector Design on f(T) and f(MAX)

Description: High-speed InGaP/GaAs heterojunction bipolar transistors (HBTs) for high-voltage circuit applications have been investigated. In order to obtain ideal IV characteristics, a lightly doped (N{sub DC} = 7.5 x 10{sup 15} cm{sup {minus}3}) thick (W{sub C} = 3.5 {micro}m) layer of GaAs was used as the collector layer. The devices fabricated have shown breakdown voltage exceeding 65 V. Device operated at up to a 60V bias, which is the highest operating voltage reported up to date for single heterojunc… more
Date: March 2, 1999
Creator: Ashby, C. I. H.; Baca, A. G.; Chang, P. C. & Hietala, V. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Amtrak: Background and Selected Public Policy Issues

Description: This report discusses the financial troubles of Amtrak, its request for federal financial operating assistance, the Amtrack Reform and Accountability Act of 1997, Amtrak's Strategic Business Plan for FY1999-2002, Amtrak's operating losses, and other rail passenger services that might emerge in the absence of Amtrak, should the company fail.
Date: March 2, 1999
Creator: Thompson, Stephen J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A High-Intensity, RF Plasma-Sputter Negative Ion Source

Description: A high-intensity, plasma-sputter negative-ion source based on the use of RF power for plasma generation has been developed that can be operated in either pulsed or dc modes. The source utilizes a high-Q, self-igniting, inductively coupled antenna system, operating at 80 MHz that has been optimized to generate Cs-seeded plasmas at low pressures (typically, <1 mTorr for Xe). The source is equipped with a 19-mm diameter spherical-sector cathode machined from the desired material. To date, the s… more
Date: March 2, 1999
Creator: Alton, G. D.; Bao, Y.; Cui, B.; Lohwasser, R.; Reed, C. A. & Zhang, T.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Study of a like-sign dilepton search for chargino-neutralino production at CDF

Description: We propose a like-sign dilepton search for chargino-neutralino production in p#22; p collisions at ps = 1:8 TeV, which complements the previously published trilepton search by the CDF detector using Fermilab Run I data. Monte Carlo predictions for the signal and background e#14;ciencies indicate a signi#12;cant increase in sensitivity to chargino-neutralino production compared to the traditional trilepton analysis alone.
Date: March 2, 1999
Creator: Worcester, Matthew
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Uniform Strain Elements for Three-Node Triangular and Four-Node Tetrahedral Meshes

Description: A family of uniform strain elements is presented for three-node triangular and four-node tetrahedral meshes. The elements use the linear interpolation functions of the original mesh, but each element is associated with a single node. As a result, a favorable constraint ratio for the volumetric response is obtained for problems in solid mechanics. The uniform strain elements do not require the introduction of additional degrees of freedom and their performance is shown to be significantly better… more
Date: March 2, 1999
Creator: Dohrmann, C.R.; Heinstein, M.W.; Jung, J.; Key, S.W. & Witkowski, W.R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Parallel FE Electron-Photon Transport Analysis on 2-D Unstructured Mesh

Description: A novel solution method has been developed to solve the coupled electron-photon transport problem on an unstructured triangular mesh. Instead of tackling the first-order form of the linear Boltzmann equation, this approach is based on the second-order form in conjunction with the conventional multi-group discrete-ordinates approximation. The highly forward-peaked electron scattering is modeled with a multigroup Legendre expansion derived from the Goudsmit-Saunderson theory. The finite element m… more
Date: March 2, 1999
Creator: Drumm, C.R. & Lorenz, J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Deep Levels in p-Type InGaAsN Lattice Matched to GaAs

Description: Deep level transient spectroscopy (DLTS) measurements were utilized to investigate deep level defects in metal-organic chemical deposition (MOCVD)-grown unintentionally doped p-type InGaAsN films lattice matched to GaAs. The as-grown material displayed a high concentration of deep levels distributed within the bandgap, with a dominant hole trap at E{sub v} + 0.10 eV. Post-growth annealing simplified the deep level spectra, enabling the identification of three distinct hole traps at 0.10 eV, 0.2… more
Date: March 2, 1999
Creator: Allerman, A. A.; Jones, E. D.; Kaplar, R. J.; Kurtz, S. R.; Kwon, D. & Ringel, S. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Graph Partitioning Models for Parallel Computing

Description: Calculations can naturally be described as graphs in which vertices represent computation and edges reflect data dependencies. By partitioning the vertices of a graph, the calculation can be divided among processors of a parallel computer. However, the standard methodology for graph partitioning minimizes the wrong metric and lacks expressibility. We survey several recently proposed alternatives and discuss their relative merits.
Date: March 2, 1999
Creator: Hendrickson, B. & Kolda, T. G.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Main Injector synchronous timing system

Description: The Synchronous Timing System is designed to provide sub-nanosecond timing to instrumen-tation during the acceleration of particles in the Main Injector. Increased energy of the beam particles leads to a small but significant increase in speed, reducing the time it takes to com-plete a full turn of the ring by 61 nanoseconds (or more than 3 RF buckets). In contrast, the reference signal, used to trigger instrumentation and transmitted over a cable, has a constant group delay. This difference le… more
Date: March 2, 1999
Creator: Steimel, Willem Blokland and James
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Top quark mass from CDF

Description: We report on the most recent measurements of the top quark mass in three decay channels, performed by the CDF Collaboration at the Tevatron collider. We combine these results to obtain a mass value of 176.0 #6; 6.5 GeV/ c 2.
Date: March 2, 1999
Creator: Yao, W.-M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Regulatory Initiatives for Control and Release of Technologically Enhanced Naturally-Occurring Radioactive Materials

Description: Current drafts of proposed standards and suggested State regulations for control and release of technologically-enhanced naturally-occurring radioactive material (TENORM), and standards for release of volumetrically-contaminated material in the US are reviewed. These are compared to the recommendations of the International Atomic Energy Association (IAEA) Safety Series and the European Commission (EC) proposals. Past regulatory efforts with respect to TENORM in the US dealt primarily with oil-f… more
Date: March 2, 1999
Creator: Egidi, P.V.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

The effect of low dose rate irradiation on the swelling of 12% cold-worked 316 stainless steel.

Description: In pressurized water reactors (PWRs), stainless steel components are irradiated at temperatures that may reach 400 C due to gamma heating. If large amounts of swelling (>10%) occur in these reactor internals, significant swelling related embrittlement may occur. Although fast reactor studies indicate that swelling should be insignificant at PWR temperatures, the low dose rate conditions experienced by PWR components may possibly lead to significant swelling. To address these issues, JNC and … more
Date: March 2, 1999
Creator: Allen, T. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

1998 Tier two emergency and hazardous chemical inventory - emergency planning and community right-to-know act section 312

Description: The Hanford Site covers approximately 1,450 square kilometers (560 square miles) of land that is owned by the U.S, Government and managed by the U.S. Department of Energy, Richland Operations Office (DOE-RL). The Hanford Site is located northwest of the city of Richland, Washington. The city of Richland adjoins the southeastern portion of the Hanford Site boundary and is the nearest population center. Activities on the Hanford Site are centralized in numerically designated areas. The 100 Areas,… more
Date: March 2, 1999
Creator: ZALOUDEK, D.E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Environmental Assessment Expanded Ponnequin Wind Energy Project Weld County, Colorado

Description: The U.S.Department of Energy (DOE) has considered a proposal from the State of Colorado, Office of Energy Conservation (OEC), for funding construction of the Expanded Ponnequin Wind Project in Weld County, Colorado. OEC plans to enter into a contracting arrangement with Public Service Company of Colorado (PSCO) for the completion of these activities. PSCo, along with its subcontractors and business partners, are jointly developing the Expanded Ponnequin Wind Project. DOE completed an environmen… more
Date: March 2, 1999
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Fuel and emission impacts of heavy hybrid vehicles.

Description: Hybrid powertrains for certain heavy vehicles may improve fuel economy and reduce emissions. Of particular interest are commercial vehicles, typically in Classes 3-6, that travel in urban areas. Hybrid strategies and associated energy/emissions benefits for these classes of vehicles could be significantly different from those for passenger cars. A preliminary analysis has been conducted to investigate the energy and emissions performance of Class 3 and 6 medium-duty trucks and Class 6 school bu… more
Date: March 2, 1999
Creator: An, F.; Eberhardt, J. J. & Stodolsky, F.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Procuring Low-Energy Design and Consulting Services

Description: Dozens of Federal agencies design, construct, renovate, and maintain thousands of offices, warehouses, and dwelling units in a wide range of climates and conditions. As the world's largest consumer of energy (1.2 quadrillion British thermal units [Btu] delivered to the point of use in fiscal year 1994), the Federal government has a tremendous opportunity to save vast amounts of money each year in energy costs. Executive Order 12902, which was passed in 1994, challenges Federal building managers… more
Date: March 2, 1999
Creator: Prowler, D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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