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An update on passive correctors for the SSC dipole magnets

Description: The concept of correction of the magnetization sextupole became a topic of discussion as soon as it was realized that superconductor magnetization could have a serious effect on the SSC beam during injection. Several methods of correction were proposed. These included (1) correction with active bore tube windings like those on the HERA machine which correct out magnetization sextupole and the sextupole due to iron saturation, (2) correction with persistent sextupole windings mounted on the bore… more
Date: May 1, 1991
Creator: Green, Michael A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Investigation of joining techniques for advanced austenitic alloys

Description: Modified Alloys 316 and 800H, designed for high temperature service, have been developed at Oak Ridge National Laboratory. Assessment of the weldability of the advanced austenitic alloys has been conducted at the University of Tennessee. Four aspects of weldability of the advanced austenitic alloys were included in the investigation.
Date: May 1, 1991
Creator: Lundin, C. D.; Qiao, C. Y. P.; Kikuchi, Y.; Shi, C. & Gill, T. P. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Operating experience with the ALS linac

Description: The linac injector for the Advanced Light Source (ALS) at LBL was recently put into operation. Energy is 50 MeV, frequency 3 GHz. The electron gun delivers up to 6nC in a 3.0-ns bunch at 120 kV. A train of bunches is injected into a 1-Hz booster and accelerated to 1.5 GHz for storage ring injection. A magnetic analysis system is used for optimizing the linac. Measured beam properties from the gun and after acceleration in the linac are described. 9 refs., 3 figs.
Date: May 1, 1991
Creator: Selph, F. & Massoletti, D.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Wolf Point Substation, Roosevelt County, Montana

Description: The Western Area Power Administration (Western), an agency of the United States Department of Energy, is proposing to construct the 115-kV Wolf Point Substation near Wolf Point in Roosevelt County, Montana (Figure 1). As part of the construction project, Western's existing Wolf Point Substation would be taken out of service. The existing 115-kV Wolf Point Substation is located approximately 3 miles west of Wolf Point, Montana (Figure 2). The substation was constructed in 1949. The existing Wolf… more
Date: May 1, 1991
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Laser diagnostics of H sup minus formation in a magnetic multicusp ion source

Description: The populations of ground electronic state atomic hydrogen and ground electronic state, vibrationally-rotationally excited hydrogen molecules in a negative hydrogen ion source discharge have been measured using vacuum ultraviolet (VUV) laser absorption spectroscopy. Vibrational states up to v=8 and rotational levels as high as J=15 have been measured. The measurements have been made under a range of discharge conditions. The complete vibrational population distribution for v=1-8, J=1 has been o… more
Date: May 1, 1991
Creator: Young, A. T.; Chen, P.; Kunkel, W. B.; Leung, K. N.; Li, C. Y. & Stutzin, G. C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Effect of Au on the reliability of fine pitch surface mount solder joints

Description: The effect of Au on the reliability of 0.65 mm pitch surface mount solder joints between plastic quad flat packs and Cu-Ni-Au FR-4 printed circuit boards was investigated. Cu-Ni-Au is a desirable printed circuit board finish for multi-chip modules or printed circuit boards that would otherwise require a selective Au finish, for example for edge connectors or wire bondable parts. However, Au is known to embrittle solder when it is present in sufficiently high concentrations, creating a concern t… more
Date: May 1, 1991
Creator: Glazer, J. (Hewlett-Packard Co., Palo Alto, CA (United States)); Kramer, P. & Morris, J.W. Jr. (Lawrence Berkeley Lab., CA (United States))
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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[Letter from Anna Lindsey to Nancy Cason, May 3, 1990]

Description: Photocopy of a letter from Anne Lindsey, Director of the Southeast Institute for Education in the Visual Arts of the University of Tennessee, to Nancy Cason, Project Coordinator of North Texas Institute for Educators on the Visual Arts. In regards to a meeting Lindsey had with Cason in discussion Lindsey was able to offer assistance and recommendations to video tapes for Cason's planning of the upcoming institute. Lindsey has loaned out the video tapes and writes that she doesn't expect them an… more
Date: May 3, 1991
Creator: Lindsey, Anne
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections
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[Letter from Bill McCarter and Nancy Cason to Janice Wiggins, May 10, 1991]

Description: Photocopy of a letter from Bill McCarter and Nancy Cason, North Texas Institute for Educators on the Visual Arts, to Janice Wiggins, Art Supervisor of Dallas ISD. Thanking Wiggins for her time working with NTIEVA, and meeting with Dr. Brooks-Ray and Howard Dunn to discuss interest in the program for staff development. The Institute and the district face uncertain economic conditions but McCarter and Cason believe if they could stretch their first year budget they could pay a team member (kinder… more
Date: May 10, 1991
Creator: McCarter, William & Cason, Nancy
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections
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[Document from Bill McCarter to Beverly Fletcher, March 26, 1991]

Description: Photocopy of a document from Bill McCarter, Co-Director of North Texas Institute for Educators on the Visual Arts, to Beverly Fletcher. The document is separated into two sections, the first section being about Dr. Jack Davis, Provost of UNT and a major figure in Art Education having won many awards for his service to the discipline of art education along with Dr. Bill McCarter, Regents Professor at UNT. Both Davis and McCarter are co-directors of NTIEVA, North Texas Institute for Educators on … more
Date: May 26, 1991
Creator: McCarter, William
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections
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Numerical simulations of turbulent flow fields caused by spraying of water on large releases of hydrogen fluoride

Description: The effectiveness of water sprays in absorbing HF releases was recently demonstrated in extended laboratory and field tests. In this paper, computer simulations are presented of the Hawk, Nevada Test Site, series of field tests. The model used, HFSPRAY, is a Eulerean/Lagrangian model which simulates the momentum, mass and energy interactions between a water spray and a turbulent plume of HF in air; the model can predict the flow velocities, temperature, water vapor, and HF concentration fields … more
Date: May 1, 1991
Creator: Fthenakis, V.M. (Brookhaven National Lab., Upton, NY (United States)) & Schatz, K.W. (Mobil Research and Development Corp., Princeton, NJ (United States))
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Modeling of Integrated Environmental Control Systems for Coal-Fired Power Plants Quarterly Report: Final Report

Description: The Integrated Environmental Control Model (IECM) was designed to permit the systematic evaluation of environmental control options for pulverized coal-fired (PC) power plants. Of special interest was the ability to compare the performance and cost of advanced pollution control systems to conventional'' technologies for the control of particulate, SO{sub 2} and NO{sub x}. Of importance also was the ability to consider pre-combustion, combustion and post-combustion control methods employed alone… more
Date: May 1, 1991
Creator: Rubin, E. S.; Salmento, J. S.; Frey, H. C.; Abu-Baker, A. & Berkenpas, M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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D. phi. vertex drift chamber construction and test results

Description: A jet-cell based vertex chamber has been built for the D{O} experiment at Fermilab and operated in a test beam there. Low drift velocity and diffusion properties were achieved using CO{sub 2}(95%)-ethane(5%) at atmospheric pressure. The drift velocity is found to be consistent with (9.74+8.68( E -1.25)) {mu}m/nsec where E is the electric field strength in (kV/cm < E z 1.6 kV/cm.) An intrinsic spatial resolution of 60 {mu}m or better for drift distances greater than 2 mm is measured. The track p… more
Date: May 1, 1991
Creator: Clark, A.R.; Goozen, F.; Grudberg, P.; Klopfenstein, C.; Kerth, L.T.; Loken, S.C. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Demonstration of innovative applicatiions of technology for cost reductions to the CT-121 FGD process

Description: The objective of this project is to demonstrate on a commercial scale several innovative applications of cost-reducing technology to the Chiyoda Thoroughbred-121 (CT-121) process. CT-121 is a second generation flue gas desulfurization (FGD) process which is considered by the Electric Power Research Institute (EPRI) and Southern Company Services (SCS) to be one of the most reliable and lowest cost FGD options for high-sulfur coal-fired utility boiler applications. Demonstrations of the innovativ… more
Date: May 15, 1991
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Magnetic data analysis for the ALS lattice magents

Description: The Advanced Light Source (ALS), now under construction at Lawrence Berkeley Laboratory, is a third-generation synchrotron radiation source designed to produce extremely bright photon beams in the UV and soft X-ray regions. The lattice magnets to be installed in the two rings, a 1--1.9 GeV storage ring, and a 1.5 GeV booster synchrotron, have been magnetically measured to ascertain their excitation curves and field uniformity. In this paper the analysis of these data is discussed, and results f… more
Date: May 1, 1991
Creator: Keller, R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Critical flow: General theory and spurious solutions

Description: It is hardly necessary to emphasize the importance that an accurate prediction of the parameters of critical flow plays in a number of industries, notably in nuclear reactor safety calculations and in metering. In spite of its importance, the literature of the subject still contains erroneous statements. Many of them result from an unjustified belief in the generality of certain conclusions drawn in the elementary study of one-dimensional isentropic flow of a perfect gas with constant specific … more
Date: May 1, 1991
Creator: Kestin, J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Pulse code modulation data compression for automated test equipment

Description: Development of automated test equipment for an advanced telemetry system requires continuous monitoring of PCM data while exercising telemetry inputs. This requirements leads to a large amount of data that needs to be stored and later analyzed. For example, a data stream of 4 Mbits/s and a test time of thirty minutes would yield 900 Mbytes of raw data. With this raw data, information needs to be stored to correlate the raw data to the test stimulus. This leads to a total of 1.8 Gb of data to be… more
Date: May 1, 1991
Creator: Navickas, T.A. & Jones, S.G.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Augmented Fish Health Monitoring; Volume 1. Completion Report.

Description: The Bonneville Power Administration (BPA) initiated the Augmented Fish Health Monitoring project in 1986. This project was a five year interagency project involving fish rearing agencies in the Columbia Basin. Historically, all agencies involved with fish health in the Columbia Basin were conducting various levels of fish health monitoring, pathogen screening and collection. The goals of this project were; to identify, develop and implement a standardized level of fish health methodologies, dev… more
Date: May 1, 1991
Creator: Michak, Patty
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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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.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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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.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The hemicellulases from the ethanologenic thermophile: Themoanaerobacter ethanolius

Description: Previously, we had only obtained extremely low xylanase activity in cultures of {ital Thermoanaerobacter ethanolicus} strain JW200, despite demonstrated xylan hydrolysis. We were not able to increase the enzyme activity or concentrate it in solution. Therefore, we decided to isolate new strains of thermophilic anaerobes with higher xylanase activity as a future source for cloning xylanases into {ital T. ethanolicus}. We now have organisms exhibiting 100-fold higher xylanase activity than JW200,… more
Date: May 1, 1991
Creator: Wiegel, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Broadband diffractive lens

Description: Significant progress has been made toward solving the century-old problem of chromatic aberrations in diffractive optics. Our approach exploits modern materials and microfabrication technology and is very different from the purely diffractive strategy,'' which is commonly employed and which results in multiple diffractive elements separated by a finite distance. We have developed a Fresnel zone plate lens comprised of a serial stack of patterned minus-filters which allows broadband radiation to… more
Date: May 28, 1991
Creator: Ceglio, N. M.; Hawryluk, A. M.; London, R. A.; Seppala, L. G. (Lawrence Livermore National Lab., CA (USA)) & Gaines, D. P. (Brigham Young Univ., Provo, UT (USA))
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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W mass and W asymmetry at CDF

Description: The lepton charge asymmetry from W decaying into a lepton and a neutrino is discussed (preliminary result). This measurement gives information on parton distribution functions at low x values. The derivation of the recently published W mass value of 79.91 {plus minus} 0.39 GeV/c{sup 2} is also presented. M{sub W} is used to set an upper limit on the top quark mass. 13 refs., 4 figs., 1 tab.
Date: May 1, 1991
Creator: Leone, S. (Pisa Univ. (Italy) Istituto Nazionale di Fisica Nucleare, Pisa (Italy))
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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High-intensity photoionization of H sub 2

Description: A tunable, high-intensity picosecond dye laser system has been employed with electron energy analysis to investigate the dynamics of (3+1) resonance-enhanced multiphoton ionization of H{sub 2} via different vibrational levels of its B{sub 1}{Sigma}{sub u}{sup +} and C{sup 1}{Pi}{sub u} electronic states. We observe production of molecular ions in various vibrational levels, with a shift to increased population of lower vibrational states of H{sub 2}{sup +} consistent with the a.c. Stark shift o… more
Date: May 1, 1991
Creator: Allendorf, S.W. & Szoeke, A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Levels of radioactivity in fish from streams near F-Area and H-Area seepage basins

Description: This report summarizes results of recent analyses of radioactivity in fish from SRS streams near the F-Area and H-Area seepage basins. Fish were collected from headwater areas of Four Mile Creek and Pen Branch, from just below the H-Area seepage basin, and from three sites downstream in Four Mile Creek. These fish were analyzed for gross alpha and gross beta radioactivity using standard EPA methods. Levels of gross alpha and nonvolatile beta radioactivity in fish were found to be comparable to … more
Date: May 1, 1991
Creator: Murphy, C. E. Jr. & Loehle, C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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