UNT Libraries Government Documents Department - 5,318 Matching Results

Search Results

Results: 1 - 24 next
open access

D-0 End Calorimeter Warm Tube/TeV Dry Air Purge

Description: This Engineering Note studies the design of the Dry Air Purge that is going to flow through the Warm Tube of the End Calorimeter of the D-O Calorimeter. The Tev tubes through the E.C. can be thought of as a cluster of concentric tubes: The Tev tube, the warm (vacuum vessel) tube, 15 layers of superinsulation, the cold (argon vessel) tube, and the Inner Hadronic center support tube. The Dry Air Purge will involve flowing Dry Air through the annular region between the Warm Tube and the Tev Beam P… more
Date: August 14, 1991
Creator: Leibfritz, J. R.
open access

1. Mono((8)annulene)Uranium(4) half-sandwich complexes, 2. Novel syntheses of symmetrically substituted cyclooctatetetraenes

Description: A reproducible, high-yield synthesis of mono((8)annulene)uranium(4)dichloride (1) is reported, along with the X-ray crystal structural of the bis(pyridine) adduct. Metathesis reactions of the half-sandwich complex 1 with a variety of simple alkyl and alkoxy reagents failed to generate any isolable mono-ring complexes. Reactions of 1 with polydentate, delocalized anions did produce stable derivatives, including mono((8)annulene)uranium(4)bis(acetylacetonate) (4). An X-ray crystal structure of 4 … more
Date: October 1, 1991
Creator: Boussie, T. R.
open access

A 2-D imaging heat-flux gauge

Description: This report describes a new leadless two-dimensional imaging optical heat-flux gauge. The gauge is made by depositing arrays of thermorgraphic-phosphor (TP) spots onto the faces of a polymethylpentene is insulator. In the first section of the report, we describe several gauge configurations and their prototype realizations. A satisfactory configuration is an array of right triangles on each face that overlay to form squares when the gauge is viewed normal to the surface. The next section of the… more
Date: July 1, 1991
Creator: Noel, B.W.; Borella, H.M. (Los Alamos National Lab., NM (United States)); Beshears, D.L.; Sartory, W.K.; Tobin, K.W.; Williams, R.K. (Oak Ridge National Lab., TN (United States)) et al.
open access

3-D turbulent particle dispersion submodel development. Quarterly progress report No. 1, 5 April--5 July 1991

Description: The lack of a mathematical description of the interactions of fluid turbulence with other physics-chemical processes is a major obstacle in modeling many industrial program. Turbulent two-phase flow is a phenomenon that is of significant practical importance to coal combustion as well as other disciplines. The interactions of fluid turbulence with the particulate phase has yet to be accurately and efficiently modeled for these industrial applications. On 15 May 1991 work was initiated to cover … more
Date: December 31, 1991
Creator: Smith, P. J.
open access

3-D turbulent particle dispersion submodel development. Quarterly progress report No. 2, 15 July--15 October 1991

Description: The lack of a mathematical description of the interactions of fluid turbulence with other physics-chemical processes is a major obstacle in modeling many industrial program. Turbulent two-phase flow is a phenomenon that is of significant practical importance to coal combustion as well as other disciplines. The interactions of fluid turbulence with the particulate phase has yet to be accurately and efficiently modeled for these industrial applications. On 15 May 1991 work was initiated to cover … more
Date: December 31, 1991
Creator: Smith, P. J.
open access

23 to 300{degrees}C demagnetization resistance of samarium-cobalt permanent magnets

Description: The influence of temperature on the knee point and squareness of the M-H demagnetization characteristic of permanent magnets is important information for the full utilization of the capabilities of samarium-cobalt magnets at high temperatures in demagnetization-resistant permanent magnet devices. Composite plots of the knee field and the demagnetizing field required to produce a given magnetic induction swing below remanence were obtained for several commercial Sm{sub 2}Co{sub 17}-type magnet s… more
Date: October 1, 1991
Creator: Niedra, J. M. & Overton, E.
open access

180 MW demonstration of advanced tangentially-fired combustion techniques for the reduction of nitrogen oxide (NO sub x ) emissions from coal-fired boilers

Description: ABB CE's Low NOx Bulk Furnace Staging (LNBFS) System and Low NOx Concentric Firing System (LNCFS) are demonstrated in stepwise fashion. These systems incorporate the concept of advanced overfire air (AOFA), clustered coal nozzles, and offset air. A complete description of the installed technologies is provided in the following section. The primary objective of the Plant Lansing Smith demonstration is to determine the long-term effects of commercially available tangentially-fired low NOx combust… more
Date: January 1, 1991
open access

180 MW demonstration of advanced tangentially-fired combustion techniques for the reduction of nitrogen oxide (NO{sub x}) emissions from coal-fired boilers. Technical progress report second quarter, 1991

Description: ABB CE`s Low NOx Bulk Furnace Staging (LNBFS) System and Low NOx Concentric Firing System (LNCFS) are demonstrated in stepwise fashion. These systems incorporate the concept of advanced overfire air (AOFA), clustered coal nozzles, and offset air. A complete description of the installed technologies is provided in the following section. The primary objective of the Plant Lansing Smith demonstration is to determine the long-term effects of commercially available tangentially-fired low NOx combust… more
Date: December 31, 1991
open access

200-BP-5 operable unit Technical Baseline report

Description: This report supports development of a remedial investigation/feasibility study work plan for the 200-BP-5 operable unit. The report summarizes baseline information for waste sites and unplanned release sites located in the 200-BP-5 operable unit. The sites were investigated by the Technical Baseline Section of the Environmental Engineering Group, Westinghouse Hanford Company (Westinghouse Hanford). The investigation consisted of review and evaluation of current and historical Hanford Site repor… more
Date: October 1, 1991
Creator: Jacques, I. D. & Kent, S. K.
open access

200-UP-2 Operable Unit technical baseline report

Description: This report is prepared in support of the development of a Remedial Investigation/Feasibility Study (RI/FS) Work Plan for the 200-UP-2 Operable Unit by EBASCO Environmental, Incorporated. It provides a technical baseline of the 200-UP-2 Operable Unit and results from an environmental investigation undertaken by the Technical Baseline Section of the Environmental Engineering Group, Westinghouse Hanford Company (Westinghouse Hanford). The 200-UP-2 Operable Unit Technical Baseline Report is based … more
Date: February 1, 1991
Creator: Deford, D. H.
open access

A 500 kV Photoemission Electron Gun for the CEBAF FEL

Description: The proposed FELs at CEBAF require an electron source delivering 120 pC bunches at a repetition rate of 7.485 MHz, corresponding to an average current of 0.9 mA. To meet this requirement we will employ a 500 kV DC photoemission electron gun to produce nominal 100 psec bunches of modest peak current. The subsequent injector system will bunch and accelerate this beam, producing 60 A, 2 psec bunches for the FELs. The photoemission gun will use a negative electron affinity GaAs photocathode, which … more
Date: August 1, 1991
Creator: Sinclair, Charles
open access

1989 Walker Branch Watershed Surveying and Mapping Including a Guide to Coordinate Transformation Procedures

Description: Walker Branch Watershed is a forested, research watershed marked throughout by a 264 ft grid that was surveyed in 1967 using the Oak Ridge National Laboratory (X-10) coordinate system. The Tennessee Valley Authority (TVA) prepared a contour map of the watershed in 1987, and an ARC/INFO{trademark} version of the TVA topographic map with the X-10 grid superimposed has since been used as the primary geographic information system (GIS) data base for the watershed. However, because of inaccuracies o… more
Date: January 1, 1991
Creator: Timmins, S.
open access

1990 annual ground-water report K-1407-B and K-1407-C interim status units Oak Ridge K-25 Site

Description: The Tennessee Department of Health and Environment (TDHE) Rules Governing Hazardous Waste Management require that specific ground-water information for interim status units be reported in conjunction with the annual hazardous waste treatment, storage, and disposal report (TN 1200-1-11-.05(6)(e)1 and 2). To be included in the report are, the data from annual/semiannual ground-water sampling, results of statistical analyses, and an evaluation of ground-water surface elevations for units in detect… more
Date: February 1, 1991
open access

1990 annual ground-water report K-1407-B and K-1407-C interim status units Oak Ridge K-25 Site

Description: The Tennessee Department of Health and Environment (TDHE) Rules Governing Hazardous Waste Management require that specific ground-water information for interim status units be reported in conjunction with the annual hazardous waste treatment, storage, and disposal report (TN 1200-1-11-.05(6)(e)1 and 2). To be included in the report are, the data from annual/semiannual ground-water sampling, results of statistical analyses, and an evaluation of ground-water surface elevations for units in detect… more
Date: February 1, 1991
open access

1990 Environmental Monitoring Report, Sandia National Laboratories, Albuquerque, New Mexico

Description: This 1990 report contains monitoring data from routine radiological and nonradiological environmental surveillance activities. Summaries of significant environmental compliance programs in progress such as National Environmental Policy Act (NEPA) documentation, environmental permits, environmental restoration, and various waste management programs for Sandia National Laboratories in Albuquerque (SNL, Albuquerque) are included. The maximum offsite dose impact was calculated to be 2.0 {times} 10{… more
Date: May 1, 1991
Creator: Hwang, S.; Yeager, G.; Wolff, T.; Parsons, A.; Dionne, D.; Massey, C. et al.
open access

1990 Environmental monitoring report, Tonopah Test Range, Tonopah, Nevada

Description: There is no routine radioactive emission from Sandia National Laboratories, Tonopah Test Range (SNL, TTR). However, based on the types of test activities such as air drops, gun firings, ground- launched rockets, air-launched rockets, and other explosive tests, possibilities exist that small amounts of depleted uranium (DU) (as part of weapon components) may be released to the air or to the ground because of unusual circumstances (failures) during testing. Four major monitoring programs were use… more
Date: May 1, 1991
Creator: Hwang, A.; Phelan, J.; Wolff, T.; Yeager, G.; Dionne, D.; West, G. et al.
open access

1990 results with polarized protons and antiprotons (E704)

Description: The results from the highest-energy polarized proton and antiproton beam, available as of January 1991, can be summarized as follows: The single-spin results for {pi}{sub o} production at x{sub F} {approx} 0 and x{sub t} = 0.4 are important not only because the spin effect is large and exhibits x{sub t}-scaling, but also because transverse-spin effects in general present a particular challenge for the theoretical interpretation. This contrasts with longitudinal spin effects which can be related… more
Date: December 31, 1991
Creator: E581/704 Collaboration
open access

1990 State-by-State assessment of low-level radioactive wastes received at commercial disposal sites

Description: Each year the National Low-Level Waste Management Program publishes a state-by-state assessment report. This annual report provides both national and state-specific disposal data on low-level radioactive wastes. Data in this report are categorized according to disposal site, generator category, waste class, volume, and activity. Included in this report are tables showing a distribution of wastes by state for 1990 and a comparison of waste volumes by state for 1986 through 1990; also included is… more
Date: September 1, 1991
Creator: Fuchs, R.L. & Culbertson-Arendts, K.
open access

1991 Annual report on scientific programs: A broad research program on the sciences of complexity

Description: 1991 was continued rapid growth for the Santa Fe Institute (SFI) as it broadened its interdisciplinary research into the organization, evolution and operation of complex systems and sought deeply the principles underlying their dynamic behavior. Research on complex systems--the focus of work at SFI--involves an extraordinary range of topics normally studied in seemingly disparate fields. Natural systems displaying complex behavior range upwards from proteins and DNA through cells and evolutiona… more
Date: December 31, 1991
open access

1991 Annual report on scientific programs: A broad research program on the sciences of complexity

Description: 1991 was continued rapid growth for the Santa Fe Institute (SFI) as it broadened its interdisciplinary research into the organization, evolution and operation of complex systems and sought deeply the principles underlying their dynamic behavior. Research on complex systems--the focus of work at SFI--involves an extraordinary range of topics normally studied in seemingly disparate fields. Natural systems displaying complex behavior range upwards from proteins and DNA through cells and evolutiona… more
Date: January 1, 1991
open access

1991 Annual Report to the National Science Foundation

Description: The Geometry Center research program has a number of different aspects, most of which involve longer term commitments, such as, development of research software, teams of individuals visually exploring mathematical structures and sponsoring of workshops. The Center is built on the research programs of its faculty. These programs have flourished and interacted under the Center umbrella. There are many interconnections and commonalities between the fields represented. Here, a summary of the resea… more
Date: December 1, 1991
open access

1991 Annual report to the National Science Foundation

Description: This report contains discussions by researcher of the center on the computation and visualization of geometric structures. Most of the research involves the following: development of research software; exploration of mathematical structures; and computational crystal growth.
Date: December 1, 1991
open access

The 1991 Department of the Army Service Response Force exercise: Procedural Guide SRFX-91

Description: This procedural guide was written to assist the US Army in planning for a chemical emergency exercise at Tooele Army Depot in Utah. The roles of various members of the emergency response community are described for various accident scenarios, and the relationships between the various responders are identified. For the June 1991 exercise at Tooele, the emergency response community includes the command structure at Tooele Army Depot; the US Army Service Response Force and other Department of Defe… more
Date: September 1, 1991
Creator: Madore, M. A.; Thomson, R. S.; Haffenden, R. A.; Baldwin, T. E. & Meleski, S. A.
open access

The 1991 Department of the Army Service Response Force exercise: Procedural Guide SRFX-91

Description: This procedural guide was written to assist the US Army in planning for a chemical emergency exercise at Tooele Army Depot in Utah. The roles of various members of the emergency response community are described for various accident scenarios, and the relationships between the various responders are identified. For the June 1991 exercise at Tooele, the emergency response community includes the command structure at Tooele Army Depot; the US Army Service Response Force and other Department of Defe… more
Date: September 1, 1991
Creator: Madore, M. A.; Thomson, R. S.; Haffenden, R. A.; Baldwin, T. E. & Meleski, S. A.
Back to Top of Screen