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Reduction of pertechnetate by acetohydroxamic acid: Formation of [TcNO(AHA)2(H2O)]+ and implications for the UREX process.

Description: Reductive nitrosylation and complexation of ammonium pertechnetate by acetohydroxamic acid has been achieved in aqueous nitric and perchloric acid solutions. The kinetics of the reaction depend on the relative concentrations of the reaction components and are accelerated at higher temperatures. The reaction does not occur unless conditions are acidic. Analysis of the x-ray absorption fine structure spectroscopic data is consistent with a pseudo-octahedral geometry with the linear Tc-N-O bond ty… more
Date: February 26, 2008
Creator: 1Harry Reid Center for Environmental Studies, Nuclear Science and Technology Division, University of Nevada, Las Vegas, Las Vegas, NV, 89154-4006; Gong, Cynthia-May S; Poineau, Frederic; Lukens, Wayne W & Czerwinski, Kenneth R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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[Receipt #1]

Description: A receipt of a payment from the AIDS ARMS Network, Inc. (Prism Health North Texas) to the AIDS Resource Center (Resource Center Dallas).
Date: March 26, 1990
Creator: AIDS ARMS Network, Inc.
Item Type: Refine your search to only Clipping
Partner: UNT Libraries Special Collections
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[Receipt #3]

Description: A receipt from the AIDS ARMS Network, Inc. for a Texas Department of Health advance to the AIDS Resource Center, dated March 26, 1990.
Date: March 26, 1990
Creator: AIDS ARMS Network, Inc.
Item Type: Refine your search to only Text
Partner: UNT Libraries Special Collections
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Frequency Doubling Broadband Light in Multiple Crystals

Description: The authors compare frequency doubling of broadband light in a single nonlinear crystal with doubling in five crystals with intercrystal temporal walk off compensation, and with doubling in five crystals adjusted for offset phase matching frequencies. Using a plane-wave, dispersive numerical model of frequency doubling they study the bandwidth of the second harmonic and the conversion efficiency as functions of crystal length and fundamental irradiance. For low irradiance the offset phase match… more
Date: July 26, 2000
Creator: ALFORD,WILLIAM J. & SMITH,ARLEE V.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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FULL SCALE TESTING TECHNOLOGY MATURATION OF A THIN FILM EVAPORATOR FOR HIGH-LEVEL LIQUID WASTE MANAGEMENT AT HANFORD - 12125

Description: Simulant testing of a full-scale thin-film evaporator system was conducted in 2011 for technology development at the Hanford tank farms. Test results met objectives of water removal rate, effluent quality, and operational evaluation. Dilute tank waste simulant, representing a typical double-shell tank supernatant liquid layer, was concentrated from a 1.1 specific gravity to approximately 1.5 using a 4.6 m{sup 2} (50 ft{sup 2}) heated transfer area Rototherm{reg_sign} evaporator from Artisan Ind… more
Date: January 26, 2012
Creator: AR, TEDESCHI; JE, CORBETT; RA, WILSON & J, LARKIN
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Fundamental studies of fusion plasmas

Description: The major portion of this program is devoted to critical ICH phenomena. The topics include edge physics, fast wave propagation, ICH induced high frequency instabilities, and a preliminary antenna design for Ignitor. This research was strongly coordinated with the world's experimental and design teams at JET, Culham, ORNL, and Ignitor. The results have been widely publicized at both general scientific meetings and topical workshops including the speciality workshop on ICRF design and physics spo… more
Date: May 26, 1992
Creator: Aamodt, R. E.; Catto, P. J.; D'Ippolito, D. A.; Myra, J. R. & Russell, D. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Fundamental studies of fusion plasmas. Annual performance report

Description: The major portion of this program is devoted to critical ICH phenomena. The topics include edge physics, fast wave propagation, ICH induced high frequency instabilities, and a preliminary antenna design for Ignitor. This research was strongly coordinated with the world`s experimental and design teams at JET, Culham, ORNL, and Ignitor. The results have been widely publicized at both general scientific meetings and topical workshops including the speciality workshop on ICRF design and physics spo… more
Date: May 26, 1992
Creator: Aamodt, R. E.; Catto, P. J.; D`Ippolito, D. A.; Myra, J. R. & Russell, D. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Measurement of the angular distribution of electrons from W {right arrow} e{nu} decays observed in p pbar collisions at {squareroot}s = 1.8 TeV

Description: We present a preliminary measurement of the electron angular distribution parameter {alpha}<sub>2</sub> in W {yields} e{nu} events using data collected by the D0 detector during the 1994-1995 Tevatron run. We compare our results with next-to- leading order perturbative QCD, which predicts an angular distribution of (1±{alpha}<sub>1</sub> cos{theta}* +{alpha}<sub>2</sub> cos²{theta}*), where {theta}* is the angle between the charged lepton and the antiproton in the Collins-Soper frame. In the pr… more
Date: July 26, 1999
Creator: Abbott, B.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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The drag of two streamline bodies as affected by protuberances and appendages

Description: This report presents the results of wind tunnel tests of two airship models conducted to determine the drag coefficients at zero pitch, and the effect of fins and cars and of flat and streamlined protuberances located at various positions along the hull. During the investigation the stern of one model was rounded off to produce a blunter shape. The extreme range of the Reynolds number based on the over-all length of the models was from 1,300,000 to 33,000,000. At large values of the Reynolds nu… more
Date: September 26, 1932
Creator: Abbott, Ira H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Growth of molten core debris pools in concrete. Part II. A. Pool growth in composite beds; B. Effect of overlaying steel layers. Final report, March 1, 1978-September 30, 1979. [LMFBR]

Description: The heat and mass transfer processes taking place in molten core debris/concrete systems have been experimentally investigated. Two types of experiments have been conducted. The first experiment simulates the growth of a molten debris pool in a composite sacrificial bed. This experiment models debris pool growth in an inner, low-melting point, sacrificial material zone followed by a melting attack on the concrete bed. The purpose of the inner zone is to quickly melt and dilute the debris pool s… more
Date: December 26, 1979
Creator: Abdel-Khalik, S I
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Middleware for Astronomical Data Analysis Pipelines

Description: In this paper the authors describe the approach to research, develop, and evaluate prototype middleware tools and architectures. The developed tools can be used by scientists to compose astronomical data analysis pipelines easily. They use the SuperMacho data pipelines as example applications to test the framework. they describe their experience from scheduling and running these analysis pipelines on massive parallel processing machines. they use MCR a Linux cluster machine with 1152 nodes and … more
Date: January 26, 2005
Creator: Abdulla, G.; Liu, D.; Garlick, J.; Miller, M.; Nikolaev, S.; Cook, K. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Simulation of the Future LSST Data Pipelines

Description: In this paper we describe our approach to build a pipeline simulator for the future Large-scale Synoptic Survey Telescope (LSST). The simulated pipeline will be used to research and evaluate software architectures that are efficient and flexible. It will also be used to define the real-time software and hardware requirements needed to support the anticipated LSST data rates. The LSST data pipeline requirements are still being defined, however, previous surveys can provide a good source for data… more
Date: July 26, 2004
Creator: Abdulla, Ghaleb M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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[RE: Enclosed Transcripts of the Regional Institute Directors' Meeting, October 28-31, 1990, Captiva Island, Florida]

Description: A memo from Julie Abel, program associate of the Getty Center for Education in the Arts, to the Regional Insitute Directors, Sheila Brown, Maggie DiBlasio, Edith Curtis Johnson, Anne Lindsey, Nancy MacGregor, Tom McMullen, Nancy Roucher, Joyce Wright, Jack Davis, Dwaine Greer, Phyllis Scott Johnson, Jessie Lovano-Kerr, Bill McCarter, Jeffery Patchen and Frances Thurber. The memo is in regards to an enclosed transcript from the meeting of October 28 - 31, 1990. cc'd on the memo are Ann Bassi, Pa… more
Date: February 26, 1991
Creator: Abel, Juli
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections
open access

[RE: Enclosed Transcripts of the Regional Institute Directors' Meeting, October 28-31, 1990, Captiva Island, Florida]

Description: A memo from Julie Abel, program associate of the Getty Center for Education in the Arts, to the Regional Insitute Directors, Sheila Brown, Maggie DiBlasio, Edith Curtis Johnson, Anne Lindsey, Nancy MacGregor, Tom McMullen, Nancy Roucher, Joyce Wright, Jack Davis, Dwaine Greer, Phyllis Scott Johnson, Jessie Lovano-Kerr, Bill McCarter, Jeffery Patchen and Frances Thurber. The memo is in regards to an enclosed transcript from the meeting of October 28 - 31, 1990. cc'd on the memo are Ann Bassi, Pa… more
Date: February 26, 1991
Creator: Abel, Julie
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections
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Interface Characterization Techniques for 304L Stainless Steel Resistance Upset Welds

Description: In an effort to better characterize and classify austenitic stainless steel resistance upset welds, standard methods have been examined and alternative methods investigated. Optical microscopy yields subjective classification due to deformation obscured bond lines and individual perception. The use of specimen preparations that better reveal grain boundaries aids in substantiating optical information. Electron microscopy techniques produce quantitative information in relation to microstructural… more
Date: July 26, 1998
Creator: Abeln, Terri G.; Kackenko, E. Jim; Necker, Carl T. & Field, Robert D.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Use of a General Nonlinear Least-Squares Curve Fitting Program With Nonclosed Form Relationships. [GNLS, in FORTRAN for CDC Computers]

Description: A use for GNLS, a general nonlinear least-squares curve fitting program, is presented. In this use GNLS determines a set of best parameters for relationships that cannot be written in closed form. This program can be useful for experimenters who need to determine experimental parameters by fitting nonclosed-form relationships to experimental data. Two examples are given to indicate how GNLS can be used for this type of problem. 11 figures.
Date: December 26, 1979
Creator: Abey, A. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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A study of the elasticity of Ta at high temperature and pressure

Description: The thermodynamic and transport properties of crystals and fluids at high temperature and pressure play a central role in the Earth and planetary sciences as well as in a variety of technologies and constitute a principal probe into the internuclear potential energy function at high density. Observation of surface waves by coherent time-domain optical spectroscopy provides an experimental approach to the determination, in the diamond-anvil high-pressure cell, of the elastic constants and therma… more
Date: August 26, 1998
Creator: Abramson, E H; Brown, J M; Hansen, D W; Ruddle, C M; Slutsky, L J & Zaug, J M
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Final Scientific Report

Description: Viscosities of water, nitrogen and carbon dioxide have been measured at elevated pressures and temperatures in the diamond-anvil cell. A strong correlation between viscosity and entropy has been confirmed.
Date: June 26, 2009
Creator: Abramson, Evan
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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