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39
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31
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27
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23
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21
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256
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205
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170
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31
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234
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27
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26
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Series 8: Partner Organizations: The AIDS Equity League, 1990
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A 15 MeV proton diagnostic for DIII-D
A 15 MeV proton diagnostic that is patterned after the ASDEX proton probe is presently being fabricated for the DIII-D tokamak. A bellows assembly inserts a silicon detector into the vacuum for plasma operation and retracts it for baking. The detector preamplifier is situated in a reentrant tube (at atmosphere) beside the detector; electrically, the whole assembly is referenced to vessel potential. Orbit calculations in realistic magnetic field geometries predict a proton detection efficiency of O(10{sup {minus}7}). The diagnostic will be used for burnup studies at high {beta} and particle transport studies in the H-mode. 25 refs., 4 figs.
Date:
October 1, 1990
Creator:
Duong, Hau & Heidbrink, W.W. (California Univ., Irvine, CA (USA))
Object Type:
Article
System:
The UNT Digital Library
65 Minutes, October-December 1990
Bimonthly newsletter of Denton Boy Scout Troop 65 containing a list of upcoming events, news and announcements, and other information for members.
Date:
October 1990
Creator:
Reeves, Doug
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
15th Street News (Midwest City, Okla.), Vol. 19, No. 5, Ed. 1 Friday, October 5, 1990
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
October 5, 1990
Creator:
MacArthur, Hazel
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 19, No. 6, Ed. 1 Friday, October 12, 1990
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
October 12, 1990
Creator:
MacArthur, Hazel
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 19, No. 7, Ed. 1 Friday, October 19, 1990
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
October 19, 1990
Creator:
MacArthur, Hazel
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 19, No. 8, Ed. 1 Friday, October 26, 1990
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
October 26, 1990
Creator:
MacArthur, Hazel
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
1989 Annual Report on Low-Level Radioactive Waste Management Progress
This report summarizes the progress during 1989 of states and compacts in establishing new low-level radioactive waste disposal facilities. It also provides summary information on the volume of low-level waste received for disposal in 1989 by commercially operated low-level waste disposal facilities. This report is in response to Section 7(b) of Title I of Public Law 99--240, the Low-Level Radioactive Waste Policy Amendments Act of 1985. 2 figs., 5 tabs.
Date:
October 1, 1990
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
1989 neutron and gamma personnel dosimetry intercomparison study using RADCAL (Radiation Calibration Laboratory) sources
The fourteenth Personnel Dosimetry Intercomparison Study (i.e., PDIS 14) was conducted during May 1-5, 1989. A total of 48 organizations (33 from the US and 15 from abroad) participated in PDIS 14. Participants submitted by mail a total of 1,302 neutron and gamma dosimeters for this mixed field study. The type of neutron dosimeter and the percentage of participants submitting that type are as follows: TLD-albedo (40%), direct interaction TLD (22%), track (20%), film (7%), combination (7%), and bubble detectors (4%). The type of gamma dosimeter and the percentage of participants submitting that type are as follows: TLD (84%) and film (16%). Radiation sources used in the six PDIS 14 exposures included {sup 252}Cf moderated by 15-cm D{sub 2}O, {sup 252}Cf moderated by 15-cm polyethylene (gamma-enhanced with {sup 137}Cs), and {sup 238}PuBe. Neutron dose equivalents ranged from 0.44--2.63 mSv and gamma doses ranged from 0. 01-1.85 mSv. One {sup 252}Cf(D{sub 2}O) exposure was performed at a 60{degree} angle of incidence (most performance tests are at perpendicular incidence). The average neutron dosimeter response for this exposure was 70% of that at normal incidence. The average gamma dosimeter response was 96% of that at normal incidence. A total of 70% of individual …
Date:
October 1, 1990
Creator:
Sims, C.S.; Casson, W.H.; Patterson, G.R. (Oak Ridge National Lab., TN (USA)); Murakami, H. (Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Dept. of Health Physics) & Liu, J.C. (Stanford Linear Accelerator Center, Menlo Park, CA (USA))
Object Type:
Report
System:
The UNT Digital Library
8mm Video Tape Test
This paper discusses the following: usage of 8mm video tape media at Fermilab; 8mm video tape format and test procedures; and tape drive information.
Date:
October 1990
Creator:
Krull, Rich
Object Type:
Report
System:
The UNT Digital Library
ABWR (advanced boiling water reactor) Design Verification Program
The ABWR Design Verification Program is aimed at restoring confidence in the US licensing process by demonstrating its workability by obtaining USNRC preapproval of GE's ABWR Standard Plant. The purpose of this work is to achieve full NRC approval of the ABWR through the award of an NRC Staff final design approval (FDA) and design certification. The approach is to (1) establish a licensing basis with the NRC Staff for the ABWR, (2) prepare and submit, for NRC Staff review, an SSAR to obtain an FDA, and (3) participate in a rulemaking process to obtain certification of the ABWR design. This program was initiated August 27, 1986. This report, the fourth annual progress report, summarizes progress on this program from October 1, 1989 through September 30, 1990. 9 refs., 5 tabs.
Date:
October 1, 1990
Creator:
Fox, J.N.
Object Type:
Report
System:
The UNT Digital Library
Accelerating and storing polarized hadron beams
Polarization hadron experiments at high energies continue to generate surprises. Many questions remain unanswered or unanswerable within the frame work of QCD. These include such basic questions as to why at high energies the polarization analyzing power in pp elastic scattering remains high, why hyperons are produced with high polarizations etc. It is, therefore, interesting to investigate the possibilities of accelerating and storing polarized beams in high energy colliders. On the technical side the recent understanding and confirmation of the actions of partial and multiple Siberian snakes made it possible to contemplate accelerating and storing polarized hadron beams to multi-TeV energies. In this paper, we will examine the equipment, the operation and the procedure required to obtain colliding beams of polarized protons at TeV energies.
Date:
October 1, 1990
Creator:
Teng, L.C.
Object Type:
Article
System:
The UNT Digital Library
Acceleration of compact toruses and fusion applications
The Compact Torus (Spheromak-type) is a near ideal plasma confinement configuration for acceleration. The fields are mostly generated by internal plasma currents, plasma confinement is toroidal, and the compact torus exhibits resiliency and stability in virtue of the ``rugged`` helicity invariant. Based on these considerations we are developing a coaxial rail-gun type Compact Torus Accelerator (CTA). In the CTA, the CT ring is formed between coaxial electrodes using a magnetized Marshall gun, it is quasistatically ``precompressed`` in a conical electrode section for inductive energy storage, it is accelerated in a straight-coaxial electrode section as in a conventional rail-gun, and it is focused to small size and high energy and power density in a final ``focus`` cone section. The dynamics of slow precompression and acceleration have been demonstrated experimentally in the RACE device with results in good agreement with 2-D MHD code calculations. CT plasma rings with 100 {micro}gms mass have been accelerated to 40 Kj kinetic energy at 20% efficiency with final velocity = 1 X 10{sup 8} cm/s (= 5 KeV/H{sup +}). Preliminary focus tests exhibi dynamics of radius compression, deceleration, and bouncing. Compression ratios of 2-3 have been achieved. A scaled-up 10-100 MJ CTA is predicted to achieve …
Date:
October 11, 1990
Creator:
Hartman, C. W.; Eddleman, J. L.; Hammer, J. H.; Logan, B. G.; McLean, H. S. & Molvik, A. W.
Object Type:
Article
System:
The UNT Digital Library
Accelerator magnet designs using superconducting magnetic shields
Superconducting dipoles and quadrupoles for existing accelerators have a coil surrounded by an iron shield. The shield limits the fringe field of the magnet while having minimal effect on the field shape and providing a small enhancement of the field strength. Shields using superconducting materials can be thinner and lighter and will not experience the potential of a large de-centering force. Boundary conditions for these materials, material properties, mechanical force considerations, cryostat considerations and some possible geometrical configurations for superconducting shields will be described. 7 refs., 3 figs., 3 tabs.
Date:
October 1, 1990
Creator:
Brown, B.C.
Object Type:
Article
System:
The UNT Digital Library
Achieve!, October 31, 1990
Periodic newsletter discussing information related to student drop-out rates, relevant legislative issues, and prevention programs. This issue focuses on child care problems and how they can affect the workforce.
Date:
October 31, 1990
Creator:
Texas Research League
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Achieve!, October 1990
Periodic newsletter discussing information related to student drop-out rates, relevant legislative issues, and prevention programs. This issue focuses on the emphasis on basic job skills as the Texas economy restructures.
Date:
October 1990
Creator:
Texas Research League
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
(Acidic deposition and the environment)
The travelers presented several papers at the Fourth International Conference on Acidic Deposition. These covered the following topics: atmospheric chemistry and deposition of airborne nitrogen compounds, soil solution chemistry in high-elevation spruce forests, and forest throughfall measurements for estimating total sulfur deposition to ecosystems. In addition, S. E. Lindberg was invited to organize and chair a conference session on Throughfall and Stemflow Experiments, and to present an invited lecture on Atmospheric Deposition and Canopy Interactions of Metals and Nitrogen in Forest Ecosystems: The Influence of Global Change'' at the 110th Anniversary Celebration of the Free University of Amsterdam.
Date:
October 24, 1990
Creator:
Garten, C. T.; Lindberg, S. E. & Van Miegroet, H.
Object Type:
Report
System:
The UNT Digital Library
(Acidic Deposition: Its Nature and Impacts)
The travelers presented papers on various aspects of modeling performed as part of the US National Acidic Precipitation Assessment Program (NAPAP) at the Fourth International Conference on Acidic Deposition: Its Nature and Impacts. The meeting was sponsored by the Royal Society of Edinburgh and was attended by over 800 scientists, primarily from Europe and North America. The conference focused on nine aspects of the nature and impacts of atmospheric pollutants, including ozone: chemistry of atmospheric pollutants; processes controlling the deposition of pollutants; effects of pollutants on soils; physiology of plant responses to pollutants; effects of pollutants in agricultural and natural or seminatural ecosystems; atmospheric pollutants and forests; effects of pollutants on the chemistry of freshwater streams and lakes; effects of pollutants on freshwater plants and animals; and effects of pollutants, indoors and outdoors, on materials and buildings.
Date:
October 18, 1990
Creator:
Cook, R. B.; Turner, R. S. & Ryan, P. F.
Object Type:
Report
System:
The UNT Digital Library
Actinide isotopic analysis systems
This manual provides instructions and procedures for using the Lawrence Livermore National Laboratory's two-detector actinide isotope analysis system to measure plutonium samples with other possible actinides (including uranium, americium, and neptunium) by gamma-ray spectrometry. The computer program that controls the system and analyzes the gamma-ray spectral data is driven by a menu of one-, two-, or three-letter options chosen by the operator. Provided in this manual are descriptions of these options and their functions, plus detailed instructions (operator dialog) for choosing among the options. Also provided are general instructions for calibrating the actinide isotropic analysis system and for monitoring its performance. The inventory measurement of a sample's total plutonium and other actinides content is determined by two nondestructive measurements. One is a calorimetry measurement of the sample's heat or power output, and the other is a gamma-ray spectrometry measurement of its relative isotopic abundances. The isotopic measurements needed to interpret the observed calorimetric power measurement are the relative abundances of various plutonium and uranium isotopes and americium-241. The actinide analysis system carries out these measurements. 8 figs.
Date:
October 1, 1990
Creator:
Koenig, Zachary M.; Ruhter, Wayne D. & Gunnink, Ray
Object Type:
Report
System:
The UNT Digital Library
Active Sites Environmental Monitoring Program: Program plan
DOE Order 5820.2A requires that low-level waste (LLW) disposal sites active on or after September 1988 and all transuranic (TRU) waste storage sites be monitored periodically to assure that radioactive contamination does not escape from the waste sites and pose a threat to the public or to the environment. This plan describes such a monitoring program for the active LLW disposal sites in SWSA 6 and the TRU waste storage sites in SWSA 5 North. 14 refs., 8 figs.
Date:
October 1, 1990
Creator:
Ashwood, T. L.; Wickliff, D. S. & Morrissey, C. M.
Object Type:
Report
System:
The UNT Digital Library
Advanced materials and electrochemical processes in high-temperature solid electrolytes
Fuel cells for the direct conversion of fossil fuels to electric energy necessitates the use of high-temperature solid electrodes. This study has included: (1) determination of electrical transport, thermal and electrical properties to illucidate the effects of microstructure, phase equilibria, oxygen partial pressure, additives, synthesis and fabrication on these properties; (2) investigation of synthesis and fabrication of advanced oxide materials, such as La{sub 0.9}Sn{sub 0.1}MnO{sub 3}; and (3) application of new analytical techniques using complex impedance coupled with conventional electrochemical methods to study the electrochemical processes and behavior of materials for solid oxide fuel cells and other high-temperature electrolyte electrochemical process. 15 refs., 10 figs., 2 tabs. (BM)
Date:
October 1, 1990
Creator:
Bates, J. L.; Chick, L. A.; Youngblood, G. E. & Weber, W. J.
Object Type:
Report
System:
The UNT Digital Library
Advanced sensor development program for the pulp and paper industry
This report describes experimental and theoretical studies toward development of a remote sensing technique for non-intrusive temperature measurement based on optical spectroscopic analysis of recovery boiler. The overall objectives were (a) construction of a fiber-optic system for measurement of spectroscopic emission intensities at several wavelengths and (b) development of a computer program relating these intensities to temperatures of the emitting species. The emitting species for temperature measurements in flames can be either naturally occurring free radicals (OH, CH, C{sub 2}) or atoms which, in turn, can be either naturally occurring or seeded into flames. Sodium atoms, the obvious emitters in recovery boilers, are not promising as thermometric species because of their high concentration. At high concentrations, strong self-absorption results cause optical depths to be much smaller than the sampling depths desired for recovery boilers. An experimental program was, therefore, undertaken with the objective of identification and spectroscopic detection and measurement of other naturally occurring thermometric species. The program consisted of several laboratory studies and four field trips to different recovery boilers. 19 refs., 43 figs., 8 tabs.
Date:
October 1, 1990
Creator:
Allen, J.D.; Charagundla, S.R.; Macek, A.; Semerjian, H.G. & Whetstone, J.R.
Object Type:
Report
System:
The UNT Digital Library
The Advanced Test Accelerator (ATA) experience
On January 26, 1990 at 20:03:30, the Advanced Test Accelerator (ATA) was turned off with the shot counter reading 12,425,999. During the interval between 1985 and 1990 there were eight major experiments performed at ATA. Three of these experiments were for the Free Electron Laser program, and five were for the Charged Particle Beam (CPB) program. The five experiments were: Spring 1985 Propagation Experiment (April 1985), December 1985 20m Propagation Experiment (December 1985), Open Air Experiment (March--June 1987), Beam Transport Experiment (Spring 1988), and Multi Pulse Propagation Experiment (September 89--January 90). Several new technologies such as the rise time sharpener, the Beam Director, and the Fast Corrector Coil were also developed. Experiments for diagnostic development such as the transition radiation studies were also conducted. In this report the major experiments will be revisited; their highlights and shortcomings will be outlined. The current view on the understanding of lead pulse stability and CPB feasibility will be discussed.
Date:
October 1, 1990
Creator:
Chambers, F.W.
Object Type:
Article
System:
The UNT Digital Library
An aerial radiological survey of the Hanford Site and surrounding area, Richland, Washington
An aerial radiological survey was conducted over the Department of Energy's Hanford Site near Richland, Washington, during the period 5 July through 26 August 1988. The survey was expanded, and additional flights were conducted to the east of the site and along the banks of the Columbia River down to McNary Dam near Umatilla. The survey was flown at altitude of 61 meters (200 feet) by a helicopter containing 17 liters (eight 2 in. {times} 4 in. {times} 16 in.) of sodium iodide detectors. Gamma ray data were collected over the survey area by flying north-south lines spaced 122 meters (400 feet) apart. The processed data indicated that detected radioisotopes and their associated gamma ray exposure rates were generally consistent with those expected from normal background emitters and man-made fission/activation products resulting from activities at the site. External exposure rates were generally 10 microroentgens per hour ({mu}R/h) with some operating areas over 1000 {mu}R/h. The radiation levels over more than 95% of the site are due to normal background exposure rates. 3 refs., 25 figs.
Date:
October 1, 1990
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Age, Volume 11, Number 10, October 1990
Monthly publication containing information related to Chambers County, Texas, including current events of the Chambers County Historical Commission, the Wallisville Heritage Park, and the Chambers County historical and genealogical societies; reprinted newspaper articles about county events and citizens; and historical news and records.
Date:
October 1990
Creator:
Wallisville Heritage Park (Organization)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History