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Quarterly Environmental Radiological Survey Summary Third Quarter 1998, 100, 200, 300, and 600 Areas

Description: This report provides a summary of the radiological surveys performed in support of near-facility environmental monitoring at the Hanford Site. The Third Quarter 1998 survey results and the status of actions required are summarized: (1) All of the eighty-five environmental radiological surveys scheduled during July, August and September were performed as planned. Fifty-one of the surveys were conducted at Project Hanford Management Contractors (PHMC) sites and thirty-four at Environmental Restor… more
Date: October 27, 1998
Creator: MCKINNEY, S.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Waveguide harmonic damper for klystron amplifier.

Description: A waveguide harmonic damper was designed for removing the harmonic frequency power from the klystron amplifiers of the APS linac. Straight coaxial probe antennas are used in a rectangular waveguide to form a damper. A linear array of the probe antennas is used on a narrow wall of the rectangular waveguide for damping klystron harmonics while decoupling the fundamental frequency in dominent TE{sub 01} mode. The klystron harmonics can exist in the waveguide as waveguide higher-order modes above c… more
Date: October 27, 1998
Creator: Kang, Y.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Simulation and measurement of the electrostatic beam kicker in the low-energy undulator test line.

Description: An electrostatic kicker has been constructed for use in the Low-Energy Undulator Test Line (LEUTL) at the Advanced Photon Source (APS). The function of the kicker is to limit the amount of beam current to be accelerated by the APS linac. Two electrodes within the kicker create an electric field that adjusts the trajectory of the beam. This paper will explore the static fields that are set up between the offset electrode plates and determine the reaction of the beam to this field. The kicker was… more
Date: October 27, 1998
Creator: Waldschmidt, G. J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Wavelet Compression of Complex SAR Imagery Using Complex- and Real-Valued Wavelets: A Comparative Study

Description: While many synthetic aperture radar (SAR) applications use only detected imagery, dramatic improvements in resolution and employment of algorithms requiring complex-valued SAR imagery suggest the need for compression of complex data. Here, we investigate the benefits of using complex- valued wavelets on complex SAR imagery in the embedded zerotree wavelet compression algorithm, compared to using real-valued wavelets applied separately to the real and imaginary components. This compression is ap… more
Date: October 27, 1998
Creator: Ives, R. W.; Kiser, C. & Magotra, N.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Appropriations for FY1999: Legislative Branch

Description: Appropriations are one part of a complex federal budget process that includes budget resolutions, appropriation bills, rescissions, and budget reconciliations bills. This report is over the LEgislative branch appropriations for the fiscal year 1999.
Date: October 27, 1998
Creator: Dwyer, Paul E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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[Letter from Brian Pogue to Al Daniels]

Description: Letter from Brian Pogue to Al Daniels on October 17, 1998, regarding information about Stonewall Democrats and establishing a local chapter. Included is an envelope to Al Daniels from Brian Pogue, postmarked on October 27, 1998.
Date: October 27, 1998
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections
open access

EOS for critical slurry and solution systems

Description: In a fire involving fissile material, the mixture of the fissile material ash with fire fighting water may lead to a criticality excursion if there are nearby sumps that permit a critical geometry. The severity of the resulting energy release and pressure pulse is dependent on the rate at which the mixing occurs. To calculate these excursions, a non-equilibrium equation of state for the water ash mixture or slurry is needed that accounts for the thermal non-equilibrium that occurs due to finite… more
Date: October 27, 1998
Creator: DiPeso, G & Peterson, P
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Electrifying Pinnacles: FEMP technical assistance detailed case study fact sheet[Pinnacles National Monument]

Description: A hybrid photovoltaic system provides Pinnacles National Monument with electrical services in an environmentally sensitive area. This quite, unobtrusive system provides the Chapparral area with clean, reliable electricity. Installing renewable energy projects at Federal facilities provides Federal agencies an opportunity to fulfill their mandate for responsible stewardship of national resources with cost-effective environmentally benign technologies.
Date: October 27, 1998
Creator: McIntyre, M.
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department
open access

Analysis of Cu Diffusion in ZnTe-Based Contacts for Thin-Film CdS/CdTe Solar Cells

Description: Ohmic contacts to thin-film CdS/CdTe photovoltaic devices have been formed using a two-layer contact interface of undoped ZnTe (ZnTe) and Cu-doped ZnTe (ZnTe:Cu), followed by Ni or Ti as an outer metallization. Secondary ion mass spectroscopy (SIMS) is used to study Cu diffusion within this back-contact structure, and also, to monitor Cu diffusion from the contact into the CdTe. When Ni metallization is used, the ZnTe:Cu layer becomes increasingly depleted of Cu, and Ni diffusion into the ZnTe:… more
Date: October 27, 1998
Creator: Narayanswamy, C. (Department of Physics & Astronomy, University of Toledo) & Gessert, T. A. and Asher, S. E. (National Renewable Energy Laboratory)
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

INDUCED BIOCHEMICAL INTERACTIONS IN IMMATURE AND BIODEGRADED HEAVY CRUDE OILS

Description: Studies in which selective chemical markers have been used to explore the mechanisms by which biocatalysts interact with heavy crude oils have shown that the biochemical reactions follow distinct trends. The term biocatalyst refers to a group of extremophilic microorganisms which, under the experimental conditions used, interact with heavy crude oils to (1) cause a redistribution of hydrocarbons, (2) cause chemical changes in oil fractions containing sulfur compounds and lower the sulfur conten… more
Date: October 27, 1998
Creator: Premusic, E. T.; Lin, M. S.; Bohenek, M.; Joshi-Topé, G.; Shelenkova, L. & Zhou, W. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Making the licensing decision

Description: This report is a primer for industry (inventors and corporations) on how to license technology.
Date: October 27, 1998
Creator: National Renewable Energy Laboratory (U.S.)
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department
open access

A diffusion model for picosecond electron bunches from negative electron affinity GaAs photo cathodes

Description: Even though theoretical estimates predict response times for the photo emission process of electrons from a negative electron affinity GaAs photo emitter in excess of hundreds of picoseconds, recent measurements found electron bunch durations of 40 ps or less. This work presents precise measurements of picosecond electron bunches from a negative affinity bulk GaAs photo cathode and develops a model which explains the measured bunch durations as well as the observed bunch shapes. The bunch shape… more
Date: October 27, 1998
Creator: Hartmann, P.; Bermuth, J.; Harrach, D. v.; Hoffmann, J.; Kobis, S.; Reichert, E. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Design Parameters of the High Gain Harmonic Generation Experiment Using Cornell Undulator A at the ATF

Description: The authors present the design parameters of a high gain harmonic generation (HGHG) FEL experiment to be carried out at the accelerator test facility (ATF) at BNL, in collaboration with APS. This experiment is a proof-of-principle experiment for the DUV-FEL at BNL. In the HGHG experiment they plan to double the frequency of a CO{sub 2} seed laser by utilizing a 0.76 m long 9 period undulator (named the Mini Undulator), a 2 m long 60 period undulator (named the Cornell Undulator A), and a 0.3 m … more
Date: October 27, 1998
Creator: Yu, L. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effect of Heating Rate on the Thermodynamic Properties of Pulverized Coal

Description: This semi-annual technical progress report describes work performed under DOE Grant No. DE-FG22-96PC96224 during the period March 24, 1998 to September 23, 1998 which covers the fourth six months of the project. Existing laser heating set-up at the Single Particle Laboratory, Federal Energy Technology Center, Morgantown, WV would work only in the range of 10 to 10 4 5 K/s. During this reporting period, appropriate changes were made to the laser heating system to heat particles in the range of 1… more
Date: October 27, 1998
Creator: Sampath, Ramanathan
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Multi-Level Micromachined Systems-on-a-Chip: Technology and Applications

Description: Researchers at Sandia have recently designed and built several research prototypes, which demonstrate that truly complex mechanical systems can now be realized in a surface micromachined technology. These MicroElectro- Mechanical Systems (MEMS) include advanced actuators, torque multiplying gear tmins, rack and pinion assemblies, positionable mirrors, and mechanical discriminators. All of tile mechanical components are batch fabricated on a single chip of silicon using the infrastructure origim… more
Date: October 27, 1998
Creator: Allen, J. J.; Krygowski, T. W.; Miller, S. L.; Montague, S.; Rodgers, M. S.; Smith, J. H. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Analysis of the effect of transverse power distribution in an involute fuel plate with and without oxide film formation.

Description: Existing thermal hydraulics computer codes can account for variations in power and temperature in the axial and thickness directions but variations across the width of the plate cannot be accounted for. In the case of fuel plates in an annular core this can lead to significant errors which are accentuated by the presence of an oxide layer that builds up on the aluminum cladding with burnup. This paper uses a three dimensional SINDA model to account for the transverse variations in power. The ef… more
Date: October 27, 1998
Creator: Smith, R. S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Assessing the Security Vulnerabilities of Correctional Facilities

Description: The National Institute of Justice has tasked their Satellite Facility at Sandia National Laboratories and their Southeast Regional Technology Center in Charleston, South Carolina to devise new procedures and tools for helping correctional facilities to assess their security vulnerabilities. Thus, a team is visiting selected correctional facilities and performing vulnerability assessments. A vulnerability assessment helps to identi~ the easiest paths for inmate escape, for introduction of contra… more
Date: October 27, 1998
Creator: Morrison, G. Steve & Spencer, Debra S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Comment on "Indication from Pioneer 10/11, Galileo, and Ulysses Data, of an Apparent Anomalous, Weak, Long-Range Acceleration"

Description: In a recent Letter Anderson et al. report some very intriguing radio observations flom various interplanetary spaceprobes over the past 18 years. They interpret this data as an anomalous deceleration of the spaceprobes. Here I offer a different interpretation: that the anomaly is related to the cosmological red shift.
Date: October 27, 1998
Creator: Humphreys, D.R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Reliability and availability of high power proton accelerators.

Description: It has become increasingly important to address the issues of operational reliability and availability of an accelerator complex early in its design and construction phases. In this context, reliability addresses the mean time between failures and the failure rate, and availability takes into account the failure rate as well as the length of time required to repair the failure. Methods to reduce failure rates include reduction of the number of components and over-design of certain key component… more
Date: October 27, 1998
Creator: Cho, Y.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Simultaneous quasiparticle and Josephson tunneling in BSCCO-2212 break junctions.

Description: Tunneling measurements are reported for superconductor-insulator-superconductor (SIS) break junctions on underdoped, optimally-doped, and overdoped single crystals of Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} (Bi-2212). The junction I-V characteristics exhibit well-defined quasiparticle current jumps at eV = 2A as well as hysteretic Josephson currents. The quasiparticle branch has been analyzed in the framework of d{sub x{sup 2}-y{sup 2}} (d-wave) superconductivity and indicates that there … more
Date: October 27, 1998
Creator: Ozyuzer, L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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