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A 6.7 MeV cw RFQ linac
A 6.7-MeV 350 MHz, cw Radio Frequency Quadrupole proton linac has been designed and is being fabricated for the Accelerator Production of Tritium Project at Los Alamos. This eight-meter long structure consists of four resonantly-coupled segments and is being fabricated using hydrogen furnace brazing as a joining technology. Details of the design and status of fabrication are reported.
Date:
August 1, 1997
Creator:
Schrage, D.; Young, L.; Clark, W.; Davis, T.; Martinez, F.; Naranjo, A. et al.
Object Type:
Article
System:
The UNT Digital Library
8. annual U.S. hydrogen meeting: Proceedings
The proceedings contain 35 papers arranged under the following topical sections: Government`s partnership role for hydrogen technology development; Government/industry partnerships -- Demonstrations; Entering the market -- Partnerships in transportation; Hydrogen -- The aerospace fuel; Codes and Standards; Advanced technologies; and Opportunities for partnerships in the utility market. Of the three markets identified (transportation, power production, and village power) papers are presented dealing with the first two. Three parts of the transportation market were covered: cars, trucks, and buses. Progress was reported in both fuel cell and internal combustion engine vehicle propulsion systems. Selected papers have been indexed separately for inclusion in the Energy Science and Technology Database.
Date:
January 1997
Creator:
unknown
Object Type:
Article
System:
The UNT Digital Library
[9-Year Old Jana Musleh]
School photograph of 9-year-old Jana Musleh. She is wearing a white shirt under white overalls decorated with flowers. The background is a tree-lined road in autumn.
Date:
1997
Creator:
unknown
Object Type:
Photograph
System:
The Portal to Texas History
10 microsecond time resolution studies of Cygnus X-1
Time variability analyses have been applied to data composed of event times of X-rays emitted from the binary system Cygnus X-1 to search for unique black hole signatures. The X-ray data analyzed was collected at ten microsecond time resolution or better from two instruments, the High Energy Astrophysical Observatory (HEAO) A-1 detector and the Rossi X-ray Timing Explorer (XTE) Proportional Counter Array (PCA). HEAO A-1 and RXTE/PCA collected data from 1977--79 and from 1996 on with energy sensitivity from 1--25 keV and 2--60 keV, respectively. Variability characteristics predicted by various models of an accretion disk around a black hole have been searched for in the data. Drop-offs or quasi-periodic oscillations (QPOs) in the Fourier power spectra are expected from some of these models. The Fourier spectral technique was applied to the HEAO A-1 and RXTE/PCA data with careful consideration given for correcting the Poisson noise floor for instrumental effects. Evidence for a drop-off may be interpreted from the faster fall off in variability at frequencies greater than the observed breaks. Both breaks occur within the range of Keplerian frequencies associated with the inner edge radii of advection-dominated accretion disks predicted for Cyg X-1. The break between 10--20 Hz is also …
Date:
June 1, 1997
Creator:
Wen, H.C.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
10 Things You Can Do To Make Our Schools Better
Photocopy of a clipping from Parade Magazine, featuring an article titled, "10 Things You Can Do To Make Our Schools Better," by Vartan Gregorian. Gregorian will become the President of the Carnegie Corporation of New York in June, 1997. Gregorian is one of the leading authorities on education in America and has written a list about some things concerned individuals can do right now to better the schools and education in the area. The 10th thing on Gregorian's list is to restore the arts as a major element in education. "We've made a tremendous mistake in diminishing or eliminating art, music and dance as fluff or frills."
Date:
March 23, 1997
Creator:
Gregorian, Vartain
Object Type:
Clipping
System:
The UNT Digital Library
13 point video tape quality guidelines
Until high definition television (ATV) arrives, in the U.S. we must still contend with the National Television Systems Committee (NTSC) video standard (or PAL or SECAM-depending on your country). NTSC, a 40-year old standard designed for transmission of color video camera images over a small bandwidth, is not well suited for the sharp, full-color images that todays computers are capable of producing. PAL and SECAM also suffers from many of NTSC`s problems, but to varying degrees. Video professionals, when working with computer graphic (CG) images, use two monitors: a computer monitor for producing CGs and an NTSC monitor to view how a CG will look on video. More often than not, the NTSC image will differ significantly from the CG image, and outputting it to NTSC as an artist works enables the him or her to see the images as others will see it. Below are thirteen guidelines designed to increase the quality of computer graphics recorded onto video tape. Viewing your work in NTSC and attempting to follow the below tips will enable you to create higher quality videos. No video is perfect, so don`t expect to abide by every guideline every time.
Date:
May 1, 1997
Creator:
Gaunt, R.
Object Type:
Article
System:
The UNT Digital Library
The 16 August 1997 Novaya Zemlya seismic event as viewed from GSN stations KEV and KBS
Using current and historic seismic records from Global Seismic Network stations KEV and KBS, the authors find that S minus P arrival time comparisons between nuclear explosions and the 16 August 1997 seismic event (m{sub b} {approx} 3.6) from near Novaya Zemlya clearly indicate that (relative to KEV) the 16 August event occurred at least 80 km east of the Russian test site. Including S minus P arrival times from KBS constrains the location to beneath the Kara Sea and in good agreement with previously reported locations, over 100 km southeast of the test site. From an analysis of P{sub n}/S{sub n} waveform ratios at frequencies above 4 Hz, they find that the 16 August event falls within the population of regional earthquakes and is distinctly separated from Novaya Zemlya and other northern Eurasian nuclear explosion populations. Thus, given its location and waveform characteristics, they conclude the 16 August event was an earthquake. The 16 August event was not detected at teleseismic distances, and thus, this event provides a good example of the regional detection, location, and identification efforts that will be required to monitor the Comprehensive Test Ban Treaty below m{sub b} {approx} 4.
Date:
November 1, 1997
Creator:
Hartse, H.E.
Object Type:
Report
System:
The UNT Digital Library
[20 year anniversary of the Dallas Gay and Lesbian Alliance invitation]
An invitation for the Presidents' Reception during the 20th year anniversary of the Dallas Gay and Lesbian Alliance.
Date:
June 6, 1997
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
24 M Meteorological Tower Data Report Period: January--December, 1994
This report was prepared by the Desert Research Institute (DRI) for the U.S. Department of Energy (DOE). It summarizes meteorological data collected at the 24 meter tower at the Nevada Test Site Hazardous Material Spill Center (HAZMAT) located at Frenchman Flat near Mercury, Nevada, approximately 75 miles northwest of Las Vegas, Nevada. The tower was originally installed in July, 1993 to characterize baseline conditions for an EPA sponsored experimental research program at the HAZMAT.
Date:
August 1, 1997
Creator:
Freeman, D.; Bowen, J. & Egami, R.
Object Type:
Report
System:
The UNT Digital Library
24 M Meteorological Tower Data Report Period: January Through December, 1995
This report was prepared by the Desert Research Institute (DRI) for the US Department of Energy (DOE). It summarizes meteorological data collected at the 24 meter tower at the Nevada Test Site Hazardous Material Spill Center (HAZMAT) located at Frenchman Flat near Mercury, Nevada, approximately 75 miles northwest of Las Vegas, Nevada. The tower was originally installed in July, 1993 to characterize baseline conditions for an EPA sponsored experimental research program at the HAZMAT. A previous report reported monitoring results for 1994. This report presents results of the monitoring for January--December, 1995, providing: a status of the measurement systems (including any quality assurance activities) during the report period and a summary of the meteorological conditions at the HAZMAT during the report period. The scope of the report is limited to summary data analyses and does not include extensive meteorological analysis. The tower was instrumented at 8 levels. Wind speed, wind direction, and temperature were measured at all 8 levels. Relative humidity was measured at 3 levels. Solar and net radiation were measured at 2 meters above the ground. Barometric pressure was measured at the base of the tower and soil temperature was measured near the base of the tower.
Date:
December 1, 1997
Creator:
Freeman, D.; Bowen, J.B.; Egami, R.; Coulombe, W.; Crow, D.; Cristani, B. et al.
Object Type:
Report
System:
The UNT Digital Library
24 M Meteorological Tower Data Report Period: January Through December, 1996
This report was prepared by the Desert Research Institute (DRI) for the US Department of Energy (DOE). It summarizes meteorological data collected at the 24 meter tower at the Nevada Test Site Hazardous Material Spill Center (HAZMAT) located at Frenchman Flat near Mercury, Nevada, approximately 75 miles northwest of Las Vegas, Nevada. The tower was originally installed in July, 1993 to characterize baseline conditions for an EPA sponsored experimental research program at the HAZMAT. This report presents results of the monitoring for January--December, 1996, providing: a status of the measurement systems during the report period and a summary of the meteorological conditions at the HAZMAT during the report period. The scope of the report is limited to summary data analyses and does not include extensive meteorological analysis. The tower was instrumented at 8 levels. Wind speed, wind direction, and temperature were measured at all 8 levels. Relative humidity was measured at 3 levels. Solar and net radiation were measured at 2 meters above the ground. Barometric pressure was measured at the base of the tower and soil temperature was measured near the base of the tower.
Date:
December 1, 1997
Creator:
Freeman, D.; Bowen, J.; Egami, R.; Coulombe, W.; Crow, D.; Cristani, B. et al.
Object Type:
Report
System:
The UNT Digital Library
25--30 T water cooled pulse magnet concept for neutron scattering experiment
The Manuel Lujan Jr. Neutron Scattering Center, Los Alamos National Laboratory is in need of a high field, split-pair, pulse magnet that would provide a 25--30 T field in a 25 mm bore and 10 mm split gap for 2--4 ms at a repetition rate of 2 Hz. Single stack Bitter magnets of this type providing less than 20 T vertical field in the split gap have been constructed before. To produce higher fields, there is a need to use a multiple layer coil with internal reinforcement. The magnet should withstand up to 10{sup 7} cycles of loading and unloading. The authors have conducted a feasibility study that address these unique requirements.
Date:
December 31, 1997
Creator:
Eyssa, Y. M.; Walsh, R. P.; Miller, J. R.; Pernambuco-Wise, P.; Bird, M. D.; Schneider-Muntau, H. J. et al.
Object Type:
Article
System:
The UNT Digital Library
60-Day waste compatibility safety issues and final results for AY-102 grab samples
Four grab samples (2AY-96-15, 2AY-96-16, 2AY-96-17, and 2AY-96-18) were taken from Riser 15D of Tank 241-AY-102 on October 8, 1996, and received by 222-S Laboratory on October 8, 1996. These samples were analyzed in accordance with Compatibility Grab Sampling and Analysis Plan (TSAP) and Data Quality Objectives for Tank Farms Waste Compatibility Program (DQO) in support of the Waste Compatibility Program. No notifications were required based on sample results.
Date:
January 31, 1997
Creator:
Nuzum, Jennifer L.
Object Type:
Report
System:
The UNT Digital Library
60-day waste compatibility safety issues and final results for TX-244 grab samples
Three grab samples (244-TX-96-1, 244-TX-96-2, and 244-TX-96-3) were taken from Riser 8 of Tank 241-TX-244 on October 18, 1996, and received by 222-S Laboratory on October 18, 1996. These samples were analyzed in accordance with Compatibility Grab Sampling and Analysis Plan (TSAP) and Data Quality Objectives for Tank Farms Waste Compatibility Program (DQO) in support ofthe Waste Compatibility Program. Notifications were made in accordance with TSAP for pH and OH- analyses. Upon further review, the pH notification was deemed unnecessary, as the notification limit did not apply to this tank.
Date:
February 5, 1997
Creator:
Nuzum, J. L.
Object Type:
Report
System:
The UNT Digital Library
60 HZ beam motion reduction at NSLS UV storage ring
A significant reduction in 60 hz beam motion has been achieved in the UV storage ring. From the wide band harmonic beam motion signal, 60 hz signal is extracted by tuned bandpass filter. This signal is processed by the phase and amplitude adjustment circuits and then, it is fed into the harmonic orbit generation circuits. Several harmonics, near the tune, were canceled by employing one circuit for each harmonic. The design and description of this experiment is given in this paper. The results showing reduction in beam motion at 60 hz are also provided.
Date:
January 1, 1997
Creator:
Singh, O. V.
Object Type:
Article
System:
The UNT Digital Library
94-1 Research and development project lead laboratory support. Status report, January 1--March 31, 1997
This status report is published for Los Alamos National Laboratory 94-1 Research and Development Project Support. The Department of Energy Office of Environmental Management funds these projects in order to support the storage or disposal of legacy plutonium and plutonium-bearing materials that resulted from weapons production throughout the DOE complex. This report summarizes status and technical progress for Los Alamos 94-1 projects during the second quarter of fiscal year 1997.
Date:
August 1, 1997
Creator:
Rink, N.A.
Object Type:
Report
System:
The UNT Digital Library
94-1 Research and development project lead laboratory support. Status report, July 1, 1996--September 30, 1996
This document reports status and technical progress for Los Alamos 94-1 Research and Development projects. Updated schedule charts are shown in the appendix. This is the fourth status report published for Los Alamos National Laboratory 94-1 Research and Development Project Support. The Department of Energy Office of Environmental Management (DOE/EM) funds these projects in order to support the storage or disposal of legacy plutonium and plutonium-bearing materials resulting from weapons production throughout the DOE complex. This document also serves as an end-for-year review of projects and positions the program for FY97.
Date:
March 1, 1997
Creator:
Rink, N.
Object Type:
Report
System:
The UNT Digital Library
94-1 research and development project lead laboratory support. Status report, October 1--December 31, 1996
This status report is published for Los Alamos National Laboratory 94-1 Research and Development (R and D) projects. The Department of Energy Office of Environmental Management (DOE/EM) funds these projects in order to support the storage or disposal of legacy plutonium and plutonium-bearing materials that resulted from weapons production throughout the DOE complex. This report summarizes status and technical progress for Materials Identification and Surveillance; Stabilization Process Development; Surveillance and Monitoring; Core Technology; Separations; Materials Science; Synthesis and Structural Characterization of Plutonium(IV) and Plutonium(VI) Phosphates; Plutonium Phosphate Solution Chemistry; and Molten Salt/Nonaqueous Electrochemistry.
Date:
July 1, 1997
Creator:
Rink, N.A.
Object Type:
Report
System:
The UNT Digital Library
A 97-1
Large black brushstrokes fill background with small, multi-colored circles floating on surface.
Date:
1997
Creator:
Falsetta, Vincent
Object Type:
Artwork
System:
The UNT Digital Library
E 97-5
Vertical painting with horizonal brown brushstrokes with four gradation motifs on the top half of the painting.
Date:
1997
Creator:
Falsetta, Vincent
Object Type:
Artwork
System:
The UNT Digital Library
L 97-12
Vertical painting with vertical yellow and brown brushstrokes. Floating in the center of the painting a black to white gradation motif consists of horizontal brushstrokes.
Date:
1997
Creator:
Falsetta, Vincent
Object Type:
Artwork
System:
The UNT Digital Library
100-D Ponds closure plan. Revision 1
The 100-D Ponds is a Treatment, Storage, and Disposal (TSD) unit on the Hanford Facility that received both dangerous and nonregulated waste. This Closure Plan (Rev. 1) for the 100-D Ponds TSD unit consists of a RCRA Part A Dangerous Waste Permit Application (Rev. 3), a RCRA Closure Plan, and supporting information contained in the appendices to the plan. The closure plan consists of eight chapters containing facility description, process information, waste characteristics, and groundwater monitoring data. There are also chapters containing the closure strategy and performance standards. The strategy for the closure of the 100-D Ponds TSD unit is clean closure. Appendices A and B of the closure plan demonstrate that soil and groundwater beneath 100-D Ponds are below cleanup limits. All dangerous wastes or dangerous waste constituents or residues associated with the operation of the ponds have been removed, therefore, human health and the environment are protected. Discharges to the 100-D Ponds, which are located in the 100-DR-1 operable unit, were discontinued in June 1994. Contaminated sediment was removed from the ponds in August 1996. Subsequent sampling and analysis demonstrated that there is no contamination remaining in the ponds, therefore, this closure plan is a demonstration of clean …
Date:
September 1, 1997
Creator:
Petersen, S.W.
Object Type:
Report
System:
The UNT Digital Library
100 years of elementary particles [Beam Line, vol. 27, issue 1, Spring 1997]
This issue of Beam Line commemorates the 100th anniversary of the April 30, 1897 report of the discovery of the electron by J.J. Thomson and the ensuing discovery of other subatomic particles. In the first three articles, theorists Abraham Pais, Steven Weinberg, and Chris Quigg provide their perspectives on the discoveries of elementary particles as well as the implications and future directions resulting from these discoveries. In the following three articles, Michael Riordan, Wolfgang Panofsky, and Virginia Trimble apply our knowledge about elementary particles to high-energy research, electronics technology, and understanding the origin and evolution of our Universe.
Date:
April 1, 1997
Creator:
Pais, Abraham; Weinberg, Steven; Quigg, Chris; Riordan, Michael; Panofsky, Wolfgang K.H. & Trimble, Virginia
Object Type:
Report
System:
The UNT Digital Library
105-N basin sediment disposition phase-two sampling and analysis plan
The sampling and analysis plan for Phase 2 of the 105-N Basin sediment disposition task defines the sampling and analytical activities that will be performed to support characterization of the sediment and selection of an appropriate sediment disposal option.
Date:
December 31, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library