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AIDS Update, Volume 6, Number 7, July 1991
Monthly newsletter describing news and events related to the AIDS Resource Center in Dallas, Texas as well as articles, letters, advice columns, and advertisements of interest to subscribers.
Date:
July 1991
Creator:
AIDS Resource Center (Dallas, Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The UNT Digital Library
INEL BNCT Program: Bulletin, Volume 5, No. 7
This Bulletin presents a summary of accomplishments and highlights in the Idaho National Engineering Laboratory's (INEL) Boron Neutron Capture Therapy (BNCT) Program for June, 1991. This bulletin includes information on the brain tumor and melanoma research programs, Power Burst Facility (PBF) technical support and modifications, PBF operations, and animal data charts. Specific highlights include: final-dosage-form BSH samples were analyzed for purity, with the sample from Centronic Ltd the most free from contamination and oxidation products; MRI spectroscopy will be upgraded to provide a potential for boron resolution of 0.75 cm/pixel; neutron and gamma measurements were made for the HFR epithermal neutron beam; the current status of six spontaneous brain-tumor dogs; production of MoAbs against the pituitary CRF receptor; growth of BL6 in low Phe/Tyr medium; an altered synthetic pathway for carboranyl alanine; and encapsulation of {ital i}-B{sub 20}H{sub 18}{sup 2-} into liposomes for baseline murine studies. 2 figs., 4 tabs. (MHB)
Date:
July 1, 1991
Creator:
Ackermann, A. L.
Object Type:
Report
System:
The UNT Digital Library
Results of investigations at the Zunil geothermal field, Guatemala: Well logging and brine geochemistry
The well logging team from Los Alamos and its counterpart from Central America were tasked to investigate the condition of four producing geothermal wells in the Zunil Geothermal Field. The information obtained would be used to help evaluate the Zunil geothermal reservoir in terms of possible additional drilling and future power plant design. The field activities focused on downhole measurements in four production wells (ZCQ-3, ZCQ-4, ZCQ-5, and ZCQ-6). The teams took measurements of the wells in both static (shut-in) and flowing conditions, using the high-temperature well logging tools developed at Los Alamos National Laboratory. Two well logging missions were conducted in the Zunil field. In October 1988 measurements were made in well ZCQ-3, ZCQ-5, and ZCQ-6. In December 1989 the second field operation logged ZCQ-4 and repeated logs in ZCQ-3. Both field operations included not only well logging but the collecting of numerous fluid samples from both thermal and nonthermal waters. 18 refs., 22 figs., 7 tabs.
Date:
July 1, 1991
Creator:
Adams, A.; Dennis, B.; Van Eeckhout, E.; Goff, F.; Lawton, R.; Trujillo, P.E. et al.
Object Type:
Report
System:
The UNT Digital Library
Design and performance of liquid hydrogen target systems for the Fermilab Fixed Target Program
The Fermilab 1990--1991 Fixed Target Program featured six experiments utilizing liquid hydrogen or liquid deuterium targets as part of their apparatus. Each design was optimized to the criteria of the experiment, resulting in variations of material selection, methods of refrigeration and secondary containment. Collectively, the targets were run for a total of 14,184 hours with an average operational efficiency of 97.6%. The safe and reliable operation of these targets was complemented by an increased degree of documentation and component testing. This operation was also aided by several key upgrades. All the systems were designed and fabricated under a set of written guidelines that blend analytical calculations and empirical guidance drawn from over twenty years of target fabrication experience. 3 refs., 4 tabs.
Date:
July 1, 1991
Creator:
Allspah, D.; Danes, J.; Peifer, J. & Stanek, R.
Object Type:
Article
System:
The UNT Digital Library
ASCOT 91 field experiment : PNL airsonde data summary.
Pacific Northwest Laboratory (PNL) participated in the Winter 1991 Atmospheric Studies in Complex Terrain (ASCOT) field experiment conducted in the vicinity of the Rocky Flats Plant between Boulder and Denver, Colorado. This report contains a summary of operations and data associated with free-release-ball oon-borne atmospheric soundings made by PNL between January 29 and February 8, 1991. Given here are descriptions of the site and instrumentation, a brief summary of the soundings, and a description of the data post processing. The appendices contain a detailed summary of all soundings and ASCOT plots of completed soundings.
Date:
July 1, 1991
Creator:
Allwine, JM Hubbe and KJ
Object Type:
Report
System:
The UNT Digital Library
The Newsletter of the Texas Chapter of the American Fisheries Society, Number 58, July 1991
Newsletter of the Texas Chapter of the American Fisheries Society containing information about the organization, membership, and field of aquaculture and ecosystem management.
Date:
July 5, 1991
Creator:
American Fisheries Society. Texas Chapter.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[Estimating the 1978-1990 and Furture Spread of HIV Type 1 in Subgroups of Homosexual Men]
An abstract of a study done by the American Journal of Epidemiology about the spread of HIV among homosexual and bisexual men in subgroup between the years of 1978 - 1990.
Date:
July 8, 1991
Creator:
American Journal of Epidiemology
Object Type:
Text
System:
The UNT Digital Library
Proof of concept test and evaluation, Lasentec refining sensor
The Scanning Laser Microscopes (SLM) LAB-TEC 150 and PAR-TEC 200, were evaluated as instruments for monitoring fiber development during refining. The LAB-TEC 150 did not produce repeatable results which could be related to fiber development, as measured by Canadian Standard Freeness or hand sheet physical strength properties. The PAR-TEC 200 was found to correlate to strength development (Burst and Tensile Indices) during the first stages of laboratory Valley beating of bleached hardwood and softwood pulps. Preliminary testing of the PAR-TEC 200 in a pilot scale refining circuit was inconclusive. The influence of several process variables on instrument readings was investigated including flow rate, probe position and consistency. It is likely that a dual sensor system would be required in a commercial mill environment, to eliminate the effect of process variables. The next phase of the evaluation and development program will include two investigations: (1) A more scientific evaluation of which changes in fiber morphology the sensor is detecting during refining, and (2) a continuation of the in-line development; with a goal of eliminating process flow variables, and more accurately monitoring fiber development, by the use of two sensors, one before and after refining.
Date:
July 1, 1991
Creator:
Anderson, J.E.
Object Type:
Report
System:
The UNT Digital Library
The Department of Energy's Solar Industrial Program: New ideas for American industry
As society becomes more and more sensitive to the environment, and energy supplies become more scarce, the application of solar energy is expanding into new areas. The industrial sector is one of the most difficult for solar energy to impact because of its technical diversity and economic requirements. However, the opportunities are still abundant. The Department of Energy's Solar Industrial Program is dedicated to advancing the applications of solar energy in this sector. Research and technology development activities are currently focused in three areas: solar process heat, advanced materials manufacturing, and destruction of chemical wastes. The Solar Energy Research Institute manages these activities for DOE with close interactions with other federal agencies, private industry, and universities. 7 figs.
Date:
July 1, 1991
Creator:
Anderson, John V.; Hauser, Steven G. & Clyne, Richard J.
Object Type:
Article
System:
The UNT Digital Library
Development of analytical procedures for coprocessing. Quarterly technical progress report, October 1--December 31, 1990
The overall objective of this contract is to improve our understanding of the fundamental chemistry of coprocessing. This includes an evaluation of methods to distinguish between compound classes originating from coal versus those originating from petroleum resid. An objective of this project is to provide detailed knowledge of the composition of coprocessing products. This report reviews the study of variations in compound classes in response to changes in the coal/resid ratio in the feed as a means of determining the source of compound classes. Where there were significant trends in composition with changing, coal concentration, selectivity factors indicating the contribution of coal and resid to particular compound classes were determined. As an example, in middle and heavy distillates, both acids and bases increased with increasing coal concentration. Selectivity factors indicated that in the middle distillate, 91 percent of the acids and 12 percent of the bases would be derived from coal (with a 1:1 ratio of coal:resid in the feed). In the heavy distillate, coal continued to be the dominant source of acids and bases although to a lesser extent. Phenols tended to increase with increasing coal content while nitrogen acids (indoles, carbazoles) decreased. Nitrogen acids were more prominent in …
Date:
July 1, 1991
Creator:
Anderson, R. P.
Object Type:
Report
System:
The UNT Digital Library
Development of analytical procedures for coprocessing. Final technical report
One phase of improving understanding of the fundamental chemistry of coprocessing involves development of the ability to distinguish between products originating from coal versus those originating from petroleum resid. A primary objective of this project was to develop analytical techniques to determine the source (coal versus resid) of the various compound types found in coprocessing products. A corollary objective was to develop an expanded knowledge of the detailed composition of coprocessing products. Two approaches were evaluated for distinguishing between products originating from coal and those originating from petroleum resid. One was based on the use of carbon isotope ratios and the other was based on variations in compound classes in response to changes in the ratio of coal to resid in the coprocessing feed. Other researchers using carbon isotope ratios to determine the origin of products have typically examined distillation fractions. This project involved determination of the origin of chemical classes (e.g., saturates, neutral aromatics, phenols, indoles, etc.) rather than distillate classes. Maya resid and Illinois No. 6 coal (with coal feed varying from 2 to 40 percent) were coprocessed in a batch autoclave to obtain products for detailed analysis.
Date:
July 1, 1991
Creator:
Anderson, R. P.; Green, J. B. & Vogh, J. W.
Object Type:
Report
System:
The UNT Digital Library
0-G experiments with advanced ceramic fabric wick structures
Both Air Force and NASA future spacecraft thermal management needs span the temperature range from cryogenic to liquid metals. Many of these needs are changing and not well defined and will remain so until goals, technology, and missions converge. Nevertheless, it is certain that high-temperature (> 800 K) and medium-temperature (about 450 K) radiator systems will have to be developed that offer significant improvements over current designs. This paper discusses experiments performed in the lower temperature regime as part of a comprehensive advanced ceramic fabric (ACF) heat pipe development program. These experiments encompassed wicking tests with various ceramic fabric samples, and heat transfer tests with a 1-m long prototype ACF water heat pipe. A prototype ceramic fabric/titanium water heat pipe has been constructed and tested; it transported up to 60 W of power at about 390 K. Startup and operation both with and against gravity examined. Wick testing was begun to aid in the design and construction of an improved prototype heat pipe, with a 38-{mu}m stainless steel linear covered by a biaxially-braided Nextel (trademark of the 3M Co., St. Paul, Minnesota) sleeve that is approximately 300-{mu}m thick. Wick testing took place in 1-g; limited testing in 0-g was initiated, …
Date:
July 1991
Creator:
Antoniak, Z. I.; Webb, B. J.; Bates, J. M.; Cooper, M. F. & Pauley, K. A.
Object Type:
Article
System:
The UNT Digital Library
Strong CP violation and the neutron electric dipole moment revisited
The relation between the CP violating operator {theta}F{tilde F} and its effective version L{sub CP}{sup eff} is reconsidered on the basis of the anomalous Ward-Takahashi (WT) identity. The consistency of the previous phenomenological calculations of the neutron electric dipole moment (NEDM) with the WT identity is critically examined. A consistent evaluation of an O(N{sub c}{sup o}) contribution to NEDM is given and the result is compared with the leading term in the chiral expansion which is O(N{sub c}{sup {minus}1}).
Date:
July 1, 1991
Creator:
Aoki, Sinya & Hatsuda, Tetsuo
Object Type:
Report
System:
The UNT Digital Library
Strong CP violation and the neutron electric dipole moment revisited
The relation between the CP violating operator {theta}F{tilde F} and its effective version L{sub CP}{sup eff} is reconsidered on the basis of the anomalous Ward-Takahashi (WT) identity. The consistency of the previous phenomenological calculations of the neutron electric dipole moment (NEDM) with the WT identity is critically examined. A consistent evaluation of an O(N{sub c}{sup o}) contribution to NEDM is given and the result is compared with the leading term in the chiral expansion which is O(N{sub c}{sup {minus}1}).
Date:
July 1, 1991
Creator:
Aoki, Sinya (State Univ. of New York, Stony Brook, NY (United States). Inst. for Theoretical Physics) & Hatsuda, Tetsuo (Washington Univ., Seattle, WA (United States). Inst. for Nuclear Theory)
Object Type:
Report
System:
The UNT Digital Library
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Arkansas River Amphitheater
Photograph of a concert, at the Arkansas River Amphitheater, in Riverside Park, with the Tulsa Skyline in the background.
Date:
July 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History