UNT Libraries Government Documents Department - 578 Matching Results

Search Results

open access

1,4-diphenylbutadiyne as a potential tritium getter

Description: Research on the acetylene compound 1,4-diphenylbutadiyne is an effort to develop an air-operative tritium gas scavenger. T/sub 2/ adds to the acetylene bond of the organic in the presence of a metal catalyst. The catalyst also stimulates the oxidation reaction as well. The butadiyne compound has shown good reaction efficiency at 300 ppM T/sub 2/ in static dry air. At this concentration 75% of the scavenged tritium was in the organic. This work has expanded to the investigation of liquid acetyle… more
Date: October 1, 1980
Creator: Miller, H. H.; Bissell, E. E.; Tsugawa, R. T. & Souers, P. C.
open access

10-MWe solar-thermal central-receiver pilot plant, solar-facilities design integration: system integration laboratory test plan (RADL item 6-4)

Description: A general demonstration test plan is provided for the activities to be accomplished at the Systems Integration Laboratory. The Master Control System, Subsystem Distributed Process Control, Representative Signal Conditioning Units, and Redline Units from the Receiver Subsystem and the Thermal Storage Subsystem and other external interface operational functions will be integrated and functionally demonstrated. The Beckman Multivariable Control Unit will be tested for frequency response, static ch… more
Date: October 1, 1980
open access

9519 biotite granodiorite reacted in a temperature gradient

Description: A biotite granodiorite from the Fenton Hill Hot Dry Rock (HDR) geothermal system was reacted in a controlled temperature gradient with initially distilled water for 60d. Polished rock prisms were located in the gradient at 72, 119, 161, 209, 270, and 310/sup 0/C. Scanning electron microscope and microprobe analyses show the appearance of secondary phases: Ca-montmorillonite at 72/sup 0/C and 119/sup 0/C; zeolite, either stilbite or heulandite, at 161/sup 0/C; and another zeolite, thomsonite, at… more
Date: October 1, 1980
Creator: Charles, R. W. & Bayhurst, Gregory K.
open access

Acoustic Emission Under Biaxial Stresses in Unflawed 21-6-9 and 304 Stainless Steel

Description: Acoustic emission (AE) testing has been carried out with uniaxial and biaxial (2:1 stress ratio) stressing of smooth samples of 21-6-9 and 304 stainless steel (SS). Uniaxial testing was done with simple tensile and compression samples as well as with the special biaxial specimens. Biaxial tensile stressing was accomplished with a specially designed specimen, which had been used previously to characterize AE in 7075 aluminum under biaxial stressing. Results were obtained for air-melt and for vac… more
Date: October 31, 1980
Creator: Hamstad, M. A.; Leon, E. M. & Mukherjee, A. K.
open access

ACTINIDE-CARBON BONDS: INSERTION REACTIONS OF CARBON MONOXIDE, tert-BUTYLISOCYANTDE, AND tert-BUTYLCYANIDE INTO [[(Me{sub 3}Si){sub 2}N]{sub 2}MCH{sub 2}Si(Me){sub 2}NSiMe{sub 3}

Description: The thorium or uranium metallocycles, [(Me{sub 3}Si){sub 2}N]{sub 2} ~ MCH{sub 2}Si(Me){sub 2}NSiMe{sub 3} (I), react with tert-butylcyanide to give the six~membered ring compounds, [(Me{sub 3}Si){sub 2}N]{sub 2}MN=C(t-Bu)CH{sub 2}SI(Me){sub 2}N- SiMe{sub 3}. The metallocycles (I) also react with the isoelectronic molecules tert-butylisocyanide and carbon monoxide to give the unique five~membered ring compounds with exocyclic carbon-carbon double bonds, [(Me{sub 3}Si){sub 2}N]{sub 2}MXC (=CH{su… more
Date: October 1, 1980
Creator: Simpson, Stephen J. & Andersen, Richard A.
open access

Advanced system demonstration for utilization of biomass as an energy source

Description: The results of the study investigations confirm the feasibility of collecting 1000 oven dry tons of biomass per day to fuel a 510,000 lb/hr boiler operating in a congeneration mode and producing steam and electricity. This study was based on the supply of a significant portion of the facility's biomass fuel by tree harvesting and collection operations within a 50 mile radius of the plant site. These operations, including transporting biomass to the conversion plant, would pose no threat to the … more
Date: October 1, 1980
open access

Advanced system demonstration for utilization of biomass as an energy source

Description: The results of a 20 month study to explore the technical and economic feasibility of fuelwood utilization to operate a 50 megawatt energy conversion facility are described. The availability of biomass as a fuel source, the methods of harvesting and collecting the fuelstock, the costs of providing adequate fuel to the plant, and other requirements for fueling the proposed conversion facility are investigated. (MHR)
Date: October 1, 1980
open access

Advanced system demonstration for utilization of biomass as an energy source. Volume IV. Design drawings

Description: This volume contains design drawings for the biomass cogeneration plant to be built in Maine. The drawings show a considerable degree of detail, however, they are not to be considered released for construction. There has been no actual procurement of equipment, therefore equipment drawings certified by suppliers have not been included. (DMC)
Date: October 1, 1980
open access

Advances in materials science, metals and ceramics division. Triannual progress report, June-September 1980

Description: Information is presented concerning the magnetic fusion energy program; the laser fusion energy program; geothermal research; nuclear waste management; Office of Basic Energy Sciences (OBES) research; diffusion in silicate minerals; chemistry research resources; and chemistry and materials science research.
Date: October 28, 1980
Creator: Truhan, J.J.; Hopper, R.W. & Gordon, K.M. (eds.)
open access

AFR spent fuel storage program. Technical progress report, July 1980-September 1980

Description: Work on this project is focused on developing design and licensing information for the model facility. The subcontracts for soils and structural design and the security system design have been completed. The rack design subcontract is progressng satisfactorily. Design of facility modifications have been completed and draft reports are underway. Licensing documentation is approximately 65% complete and progressing at a satisfactory pace to meet scheduled projections.
Date: October 24, 1980
open access

Air quality analysis of Phase I of the proposed oil backout legislation. [Lead abstract]

Description: This report presents an air quality analysis of Phase I of the President's proposed legislation to reduce the use of oil and natural gas in electric utility power plants by approximately 1 x 10/sup 6/ barrels of oil per day. The report analyzes changes in sulfur dioxide and nitrogen oxide emissions that would accompany the conversions. Local and regional impacts on ambient sulfur dioxide and sulfate concentrations are examined. Finally, the cost-effectiveness of certain control options and the … more
Date: October 1, 1980
Creator: Streets, D.G.
open access

AJAX User's Guide

Description: AJAX is a computer program which processes programs written in DIGITAL FORTRAN-IV PLUS language, and produces new versions of these programs. The most important feature of a program produced by AJAX is that the numbered statements in the program will be renumbered such that they will be monotonically increasing from start to finish. Other formatting features are available as options. AJAX is written in VAX FORTRAN-IV PLUS language and runs on version 1.6 of the VMS operating system.
Date: October 1, 1980
Creator: Fimple, M D
open access

Los Alamos Scientific Laboratory waste management technology development activities. Summary progress report, 1979

Description: Summary reports on the Department of Energy's Nuclear Energy-sponsored waste management technology development projects at the Los Alamos Scientific Laboratory describe progress for calendar year 1979. Activities in airborne, low-level, and transuranic waste management areas are discussed. Work progress on waste assay, treatment, disposal, and environmental monitoring is reviewed.
Date: October 1, 1980
Creator: Johnson, L.J. (comp.)
open access

ALLDOS: A Computer Program for Calculation of Radiation Doses From Airborne and Waterborne Releases

Description: The computer code ALLDOS is described and instructions for its use are presented. ALLDOS generates tables of radiation doses to the maximum individual and the population in the region of the release site. Acute or chronic release of radionuclides may be considered to airborne and waterborne pathways. The code relies heavily on data files of dose conversion factors and environmental transport factors for generating the radiation doses. A source inventory data library may also be used to generate… more
Date: October 1, 1980
Creator: Strenge, D. L.; Napier, B. A.; Peloquin, R. A. & Zimmerman, M. G.
open access

Alloy development for irradiation performance. Quarterly progress report for period ending June 30, 1980

Description: This report is organized along topical lines in parallel to a Program Plan of the same title so that activities and accomplishments may be followed readily relative to that Program Plan. Thus, the work of a given laboratory may appear throughout the report. Chapters 1, 2, 8, and 9 review activities on analysis and evaluation, test methods development, status of irradiation experiments, and corrosion testing and hydrogen permeation studies, respectively. These activities relate to each of the al… more
Date: October 1, 1980
Creator: Ashdown, B.G. (ed.)
open access

Alpha Particle Confinement in Tandem Mirrors

Description: Mechanisms leading to loss of alpha particles from non-axisymmetric tandem mirrors are considered. Stochastic diffusion due to bounce-drift resonances, which can cause rapid radial losses of high-energy alpha particles, can be suppressed by imposing a 20% rise in axisymmetric fields before the quadrupole transition sections. Alpha particles should then be well-confined until thermal energies when they enter the resonant plateau require. A fast code for computation of drift behavior in reactors … more
Date: October 10, 1980
Creator: Devoto, R. S.; Ohnishi, M.; Kerns, J. & Woo, J. T.
open access

Alternate protection concepts for second surface silver/glass solar mirrors

Description: Investigations into three technologies having the potential of significantly enhancing the durability of solar mirrors are reported. The approaches are based on the assumption that sealing the silver layer on second surface mirrors from the external environment with protective overcoats will significantly extend their useful service life. Considered are: (1) edge sealing a second sheet of glass over the silver layer using solder glasses, (2) overcoating the silver layer with liquid applied SiO/… more
Date: October 1, 1980
Creator: Buckwalter, C. Q.; Dake, L. S.; Hartman, J. S. & Lind, M. A.
open access

AMINO ACID SYNTHESIS IN PHOTO-SYNTHESIZING SPINACH CELLS. EFFECTS OF AMMONIA ON POOL SIZES AND RATES OF LABELING FROM {sup 14}CO{sub 2}

Description: Isolated cells from leaves of Spinacea oleracea have been maintained in a state capable of high rates of photosynthetic CO{sub 2} fixation for more than 60 h. The incorporation of {sup 14}CO{sub 2} under saturating CO{sub 2} conditions into carbohydrates, carboxylic acids, and amino acids, and the effect of ammonia on this incorporation have been studied. Total incorporation, specific radioactivity and pool size have been determined as a function of time for most of the protein amino acids and … more
Date: October 1, 1980
Creator: Larsen, Peder Olesen; Cornwell, Karen L.; Gee, Sherry L. & Bassham, James A.
open access

Amorphous thin films for solar cell applications. Technical progress report, 15 July 1980 to 10 October 1980

Description: A series of experiments performed to develop successful back-layer contacts for a MIS solar cell and to study the effects of argon inclusion on the properties of the active intrinsic layer in the a-Si:H cell are described. Mixtures of argon (Ar), phosphine (Ph/sub 3/), and hydrogen (H/sub 2/) were used at various partial pressures to assess the effectiveness of doping with a reactive gas. The inclusion of argon in dc reactively-sputtered films was measured using specially prepared cathode image… more
Date: October 10, 1980
Creator: Jonata, A. D.; Anderson, W. W.; Crowley, J. L. & MacMillan, H. F. Jr.
Back to Top of Screen