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Black Music and the Civil Rights Movement Concert
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28th Annual Black Music and the Civil Rights Movement Concert
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Black Music and The Civil Rights Movement Concert, featuring Chrisette Michele & Ledisi.
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Determination of Heavy Water Purity by Infrared Absorption
The practical application of heavy water purity determination by infrared absorption spectroscopy using standard laboratory equipment was demonstrated in connection with the operation of heavy water-moderated Special Power Excursion Reactor Test (SPERT II) Facillty at the NRTS. (auth)
Date:
January 16, 1962
Creator:
Abernathey, R. M. & Morgan, T. D.
Object Type:
Report
System:
The UNT Digital Library
Oxidation/gasification of carbon residue on retorted oil shale. Final report
Studies of the oxidation and gasification of oil shale char were extended to an investigation of the effects of mineral catalysis. Six shales with differing mineral compositions were studied, including samples from the saline zone in the Western Colorado and from the Antrim shales of Michigan. Oxidation kinetics data, corrected for mass transfer effects, were compared for all six samples. A high assay shale from Utah and a sample from the saline zone were found to have the highest oxidation rates. By examining the data for shales which were water leached and thermally pretreated, it was concluded that both NaO and CaO act as oxidation catalysts. However, as a result of mineral decomposition experiments conducted with a sample from the C-a lease tract, it appears as though the ankeritic dolomite fraction will not decompose as long as there is a minimal CO/sub 2/ over pressure. Rather, low temperature silication reactions appear to take place once the temperature exceeds 925/sup 0/K. An extensive evaluation was also completed for the gasification of an Antrim shale from Michigan. Both the rates of CO/sub 2/ and steam gasification of the char were found to be markedly lower than that observed for a shale sample …
Date:
January 16, 1984
Creator:
Thomson, W. J.
Object Type:
Report
System:
The UNT Digital Library
Introduction to albedo neutron dosimeters
The design, operation, calibration, and performance of albedo neutron dosimeters are discussed. An albedo neutron dosimeter is designed to measure the flux of thermal neutrons which leave the body when a person is exposed to fast energy neutrons. The fast neutrons are scattered and moderated in the body, and many have lost most of their initial energy and emerge as thermal neutrons. The albedo neutron dosimeter is designed to detect this flux of thermal neutrons by using a thermal neutron detector. This could be any type of thermal neutron detector but in practical applications lithium fluoride (LiF) thermoluminescence dosimeters (TLDs) are most frequently used. Various types of albedo neutron dosimeters are described. (WHK)
Date:
January 16, 1978
Creator:
Hankins, D.E.
Object Type:
Article
System:
The UNT Digital Library
[Letter from Bill McCarter to Deborah Howes, January 16, 1997]
Photocopy of a letter from Bill McCarter, co-director of North Texas Institute for Educators on the Visual Arts, to Deborah Howes, Associate Museum Educator at the Metropolitan Museum of Art. The recommendation letter is in regards to the news of the Met's consideration of having one of UNT's graduate students, Rebecca Arkenberg, hold an internship in Howes's department. McCarter goes on to write about how wonderful of a student Arkenberg is and that he'll be sad to see her go but her skills are superb beyond others and her work with North Texas Institute for Educators on the Visual Arts is exemplary.
Date:
January 16, 1997
Creator:
McCarter, William
Object Type:
Letter
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 2]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 15]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 23]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 8]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 3]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 9]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 25]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 6]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 22]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 13]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 10]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[East Coast Friends Meeting Photograph 12]
Photograph taken at a meeting of the East Coast Friends.
Date:
[2004-01-16..2004-01-19]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
Secondary recovery of plutonium and americium from process waste streams by solvent extraction
A solvent extraction process is being evaluated for the secondary recovery of plutonium and americium from Rocky Flats waste streams. The bidentate organophosphorus compounds dihexyl-N,N-diethylcarbamylmethylene phosphonate and its dibutyl analogue have been shown to be selective extractants for the actinides from solutions of nitric acid. The results from laboratory test runs in which the organophosphorus extractants were used for processing secondary waste solutions will be presented. Solvent extractant properties and purification procedures are discussed.
Date:
January 16, 1978
Creator:
Hagan, P. G. & Navratil, J. D.
Object Type:
Article
System:
The UNT Digital Library
Laser-assisted solar cell metallization processing. Quarterly report, September 13-December 12, 1983
The Westinghouse Electric Corporation has undertaken to investigate, develop, and characterize laser-assisted processing techniques utilized to produce the fine line, thin metal grid structures that are required to fabricate high-efficiency solar cells. Two basic techniques for metal deposition will be investigated, as follows: (1) photochemical decomposition of liquid or gas phase organometallic compounds utilizing either a focused, CW ultraviolet laser (System 1) or a mask and ultraviolet flood illumination, such as that provided by a repetitively pulsed, defocused excimer laser (System 2), for pattern definition, and (2) thermal deposition of metals from organometallic solutions or vapors utilizing a focused, CW laser beam as a local heat source to draw the metallization pattern. The purpose of this contract is to investigate the various existing laser-assisted film deposition techniques in order to develop a new, cost-effective technology for solar cell metallization. The tasks that will be performed in the conduct of these investigations are detailed. In the first three months of this contract, a comprehensive literature search has been carried out on the various state-of-the-art laser-assisted techniques for metal deposition, including laser chemical vapor deposition and laser photolysis of organometallics, as well as laser-enhanced electroplating. A compact system for the experiments involving …
Date:
January 16, 1984
Creator:
Dutta, S.
Object Type:
Report
System:
The UNT Digital Library
Etiology of contaminated wounds
The US Department of Energy reports of events that occurred in the chemical processing 200 Areas of the Hanford Site during the period from 1972 through 1986 were reviewed to identify the causes of contaminated wounds. Contaminated wounds were reported in 19 events involving 20 workers. The causal agents (high risk operations) and the root causes were characterized. Emergency actions taken and their efficacy were noted. The 19 wound events were compared with 17 events with the potential for inhalation. It was found that the wound events involve a single worker and frequently result in an internal contamination and its resulting dose. Inhalation events involve groups of workers and rarely resulted in detectable internal contamination. The difference is attributed to anticipation of an inhalation event and use of respiratory protection and continuous air monitors to mitigate its effects.
Date:
January 16, 1992
Creator:
Sudmann, R.H.
Object Type:
Article
System:
The UNT Digital Library
Radioiostope studies utilizing a low level whole body counter and clinical application of activation analysis. Progress report
The main emphasis of these studies is the development of methods (hardware and software) for the quantitation of body and specific organ burdens of radioactivity. Current work is directed toward the evaluation of radiation dose distributions in human beings from new radioactive tracers and new procedures used in nuclear medicine. Dosimetry and clinical studies will be carried out on patients using new radiopharmaceuticals where dosimetry data are lacking. Future efforts will be directed toward the development of systems that will facilitate the collection of dosimetry data using less specialized facilities. The availability of instrumentation and analytic techniques that provide clinical images as well as dosimetry data should enhance the rate of collection of data on human exposures in medicine and assist in the optimization of diagnostic strategies. In parallel with these efforts, we are developing a new computer assisted technique for diagnostic decision making. The basic aim is to utilize efficiently all the available data to maximize information gain while minimizing cost factors.
Date:
January 16, 1980
Creator:
Brill, A. B. & Price, R. R.
Object Type:
Report
System:
The UNT Digital Library
Integrated system for production of neutronics and photonics calculational constants. Volume 5, Part B. Relativistic transformations between center-of-mass and laboratory systems for two-body nuclear reactions
A technique is described for transforming cross sections and secondary-particle energies between center-of-mass and laboratory systems for two-body nuclear reactions. The derivations of the relativistic transformations needed for this technique are also reviewed.
Date:
January 16, 1978
Creator:
Howerton, Robert J.
Object Type:
Report
System:
The UNT Digital Library
Separation and Characterization of Coal Derived Components. Quarterly Report, 1 October 1983-31 December 1983
No new field-ionization data was obtained this quarter. For preasphaltenes, elemental analysis data was obtained on Kentucky and Wyodak preasphaltene samples. In conjunction with the preasphaltene work, solubility and thin-layer chromatography experiments were performed. The results indicated that basic alumina would not be useful as a general stationary phase for the separation of preasphaltenes. Several experiments were carried out with Chromasorb T, and the results showed it would be an adequate substitute for Fluoropak. The hydrocarbons in a sample from Pittsburgh Energy Technology Center were separated by the number of double bonds. The optimum mobile phases for the separation of monohydroxyl aromatics and dihydroxyl aromatics by reversed-phase liquid chromatography were obtained. In addition, a means of predicting retention in normal-phase chromatography was considered, and a NO/sub 2/ high-performance chromatographic column showed promise for the separation of compound classes. 6 references, 4 figures, 7 tables.
Date:
January 16, 1984
Creator:
Hurtubise, R. H. & Silver, H. F.
Object Type:
Report
System:
The UNT Digital Library
Failure of latch mechanism for motion control of safety rods
During safety rod tests in K-reactor prior to startup, one safety rod could not be lifted because the button'' broke off and became lodged in the mechanism. Examination of the failed latch assembly along with other assemblies from both K-Area and L-Area revealed several missing buttons as well as severely deformed jaw hanger extensions.'' We participated in the investigation of the damage by request of the Reactor Restart Section. Based on our study of the latch mechanism, the modifications to the safety rod extension,'' and the operating history of the machine, this memorandum describes the causes of the observed damage with experimental evidence and calculations to support the findings. 3 refs.
Date:
January 16, 1992
Creator:
Yau, W. W. F. & Leader, D. R.
Object Type:
Report
System:
The UNT Digital Library
The Greer County Democrat (Mangum, Okla.), Vol. 24, No. 18, Ed. 1 Friday, January 16, 1914
Weekly newspaper from Mangum, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 16, 1914
Creator:
Taylor, J. E.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History