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545 Matching Results
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[Letter from Chad Woolery to Jack Davis and Bill McCarter, November 23, 1993]
Photocopy of a letter from Chad Woolery, General Superintendent, Dallas ISD, to Jack Davis and Bill McCarter, co-directors of the North Texas Institute for Educators on the Visual Arts. Woolery starts the letter by stating Dallas ISD's commitment to NTIEVA and that Site Coordinator for DISD, Janice Wiggins will contribute 10% of her time during the 1993-1994 calendar year to activities related to staff development and efforts of discipline-based art education programs. Attached in the letter are a stipend worksheets for the faculty participation of the Institute.
Date:
November 23, 1993
Creator:
Woolery, Chad
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Jack Davis and Bill McCarter to Alfred F. Hurley, March 23, 1993]
Photocopy of a letter from Jack Davis and Bill McCarter, co-directors of North Texas Institute for Educators on the Visual Arts, to Chancellor Alfred F. Hurley, University of North Texas. In regards to the a publication by the Getty Center for Education in the Arts that was mailed to every legislator in the United States, as part of their ongoing nation advocacy effort for quality instruction in the arts. Davis and McCarter thought that Hurley would like a copy of the publication.
Date:
May 23, 1993
Creator:
Davis, Donald Jack & McCarter, William
Object Type:
Letter
System:
The UNT Digital Library
[News Clip: Brosky]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
January 23, 1993, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Employment Impacts of Geothermal Electric Projects
Table 1 summarizes the number of jobs associated with the development and operation of a 50 MW geothermal dual flash power system. The values shown are person years (PY) of employment for the 50 MW system. About 1500 person years (PY) of labor are incorporated in the manufacture and installation of capital components of the system. Of these, about 300 PY are local to the area of the geothermal system, and about 1200 are dispersed elsewhere in the U.S. or other countries. About 71 PY of labor per year are required for the operation of the system. Of those, about 39 PY are local to the plant, and about 32 are dispersed. The total person years of labor over the entire life cycle of such a system, assuming a 30-year operational life, is on the order of 3630 person years. These include jobs during the 5 to 10 years of exploration and construction activities prior to plant start up. Of these jobs, about 1470 PY are local to the system, and about 21 60 are dispersed elsewhere.
Date:
May 23, 1993
Creator:
Entingh, Daniel J.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Pep-rally]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering a news story about a large pep-rally held for the Dallas Cowboys a week prior to their Super Bowl game in the West End district of downtown Dallas. The footage features unofficial mascot Crazy Ray, singing with a band, people standing in long lines to meet members of the team such as Jim Jeffcoat, Robert Jones, Ken Norton, and Jay Novecek, and Mayor Steve Bartlett eating crab, which were winnings from his bet with the Mayor of San Francisco. The story aired at 10 P.M.
Date:
January 23, 1993
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
The Tulia Herald (Tulia, Tex.), Vol. 85, No. 51, Ed. 1 Thursday, December 23, 1993
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
December 23, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Tulia Herald (Tulia, Tex.), Vol. 85, No. 38, Ed. 1 Thursday, September 23, 1993
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
September 23, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Digital control systems in nuclear power plants: Failure information, modeling concepts, and applications
This report briefly describes some current applications of advanced computerized digital display and control systems at US commercial nuclear power plants and presents the results of a literature search that was made to gather information on the reliability of these systems. Both hardware and software reliability were addressed in this review. Only limited failure rate information was found, with the chemical process industry being the primary source of information on hardware failure rates and expert opinion the primary source for software failure rates. Safety-grade digital control systems are typically installed on a functional like-for-like basis, replacing older analog systems without substantially changing interactions with other plant systems. Future work includes performing a limited probabilistic risk assessment of a representative DCS to assess its risk significance.
Date:
June 23, 1993
Creator:
Galyean, W.J.
Object Type:
Report
System:
The UNT Digital Library
Bogata News (Bogata, Tex.), Vol. 83, No. 23, Ed. 1 Thursday, September 23, 1993
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
September 23, 1993
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Bogata News (Bogata, Tex.), Vol. 83, No. 36, Ed. 1 Thursday, December 23, 1993
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
December 23, 1993
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
[Computer Science and Telecommunications Board activities]
The board considers technical and policy issues pertaining to computer science, telecommunications, and associated technologies. Functions include providing a base of expertise for these fields in NRC, monitoring and promoting health of these fields, initiating studies of these fields as critical resources and sources of national economic strength, responding to requests for advice, and fostering interaction among the technologies and the other pure and applied science and technology. This document describes its major accomplishments, current programs, other sponsored activities, cooperative ventures, and plans and prospects.
Date:
February 23, 1993
Creator:
Blumenthal, M. S.
Object Type:
Report
System:
The UNT Digital Library
[Clipping: 'Like a homesick angel']
Newspaper clipping containing two articles about the fiftieth reunion of the WASP by Loretta Fulton: "Reno, Gov. Richards Salute Women Pilots" and "WASP's Return to Sweetwater."
Date:
May 23, 1993
Creator:
Fulton, Loretta
Object Type:
Clipping
System:
The Portal to Texas History
Spectrum Analysis in Beam Diagnostics
In this article, we discuss fundamentals of the spectrum analysis in beam diagnostics, where several important particle motions in a circular accelerator are considered. The properties of the Fourier transform are presented. Then the coasting and the bunched beam motion in both longitudinal and transverse are studied. The discussions are separated for the signal particle, multiple particle, and the Schottky noise cases. To demonstrate the interesting properties of the beam motion spectrum, time domain functions are generated, and then the associated spectra are calculated and plotted. In order to show the whole picture in a single plot, some data have been scaled, therefore they may not be realistic in an accelerator.
Date:
April 23, 1993
Creator:
Zhang, S. Y. & Weng, W. T.
Object Type:
Report
System:
The UNT Digital Library
Bunched Beam Longitudinal Instability: Coherent Dipole Motion
In this paper, the authors present a new formulation for the longitudinal coherent dipole motion, where a quadrature response of the environmental impedance is shown to be the effective longitudinal impedance for the beam instability. The Robinson-Pedersen formulation for the longitudinal dipole motion is also presented, the difference of the two approaches is discussed in the comparison. The results by using the Sacherer integral equation for the coherent dipole motion can generate the same results as by using the other two approaches, except for a scaling difference. The formulation is further generalized to the rigid bunch motion using signal analysis method, where a form factor shows up naturally. Finally, the formulation is applied to solve the coupled bunch instabilities. Examples of the AGS Booster and the AGS coupled bunch instabilities are used to illustrate the applications of the formulation.
Date:
April 23, 1993
Creator:
Zhang, S. Y. & Weng, W. T.
Object Type:
Report
System:
The UNT Digital Library
Development of enhanced sulfur rejection processes
Research at Virginia Tech led to two complementary concepts for improving the removal of inorganic sulfur from much of the Eastern US coals. One controls the surface properties of coal pyrite (FeS[sub 2]) by electrochemical-.potential control, referred to as the Electrochemically Enhanced Sulfur Rejection (EESR) Process: The second controls the flotation of middlings, i.e., particles composed of pyrite with coal inclusions by using polymeric reagents to react with pyrite and convert the middlings to hydrophilic particles, and is termed the Polymer Enhanced Sulfur Rejection (PESR) Process. These new concepts are based on recent research establishing the two main reasons why flotation fails to remove more than about 50% of the pyritic sulfur from coal: superficial oxidization of liberated pyrite to form polysulfide oxidation products so that a part of the liberated pyrite floats with the coal; and hydrophobic coal inclusions in the middlings dominating their flotation so that the middlings also float with the coal. These new pyritic-sulfur rejection processes do not require significant modifications of existing coal preparation facilities, enhancing their adoptability by the coal industry. It is believed that they can be used simultaneously to achieve both free pyrite and locked pyrite rejection.
Date:
March 23, 1993
Creator:
Yoon, R. H.; Luttrell, G.; Adel, G. & Richardson, P. E.
Object Type:
Report
System:
The UNT Digital Library
Tevatron studies report
On Wednesday, July 24, 1991, we studied the effectiveness of constant amplitude'' transverse damping at the Fermilab Tevatron. In this mode of damping, whenever a bunch's displacement exceeds a specified threshold, a constant (usually maximum) aplitude correction pulse is applied to the damper kicker. This is in contrast to the linear'' mode, where the kick is proportional to the displacement.
Date:
April 23, 1993
Creator:
Jackson, G.; McConnell, D.; Fellenz, B. (Fermi National Accelerator Lab., Batavia, IL (United States)); Raka, E. & Yamin, S.P. (Brookhaven National Lab., Upton, NY (United States))
Object Type:
Report
System:
The UNT Digital Library
Theoretical hyperfine structure constants for transition metal atoms and ions
Accurate calculation of hyperfine structure of (d+s)[sup n] states involves dealing with both relativistic and correlation effects in a multi-reference framework (all (d+s)[sup n] states of fixed n,J treated at once). The algorithms were improved (BCB and REDUCE methods) and applied to the hfs of Zr II for (d+s)[sup 3] states. The fs intervals were determined to within 0.075 eV, and the hfs was only 17% in error; this represents the first time that all of the (d+s)[sup n] fs levels have been accurately determined by ab initio theory. Calculations for Nb III, La I, and Hf II [J=1.5] will be published when the J=0.5 calculations are complete. 9 refs, 1 tab.
Date:
March 23, 1993
Creator:
Beck, D. R.
Object Type:
Report
System:
The UNT Digital Library
A [gamma][sub t]-jump scheme for the Brookhaven AGS
AGS beam losses at transition are now tolerable ([lt]5%), but as the present improvement plans are implemented and the intensity is increased, new mechanisms will become important and the losses will increase. This Note describes studies directed towards minimizing these losses. Werner Hardt has studied these losses at the CERN PS. In particular, he found that by sharply reducing the time spent going through transition he could reduce the losses. Hardt visited Brookhaven in early June, 1986, in order to help us better understand the AGS. As a result of work inspired by his visit, we now believe that intensities of [approximately]5x10[sup 13] circulating protons are attainable in the AGS without significant losses at transition.
Date:
April 23, 1993
Creator:
Ahrens, L.; Auerbach, E.; Hardt, W.; Raka, E.; Ratner, L. & Yamin, P.
Object Type:
Report
System:
The UNT Digital Library
Development of biological coal gasification (MicGAS process)
Effect of 5% and 10% coal solids loadings was studied in two types of bench scale bioreactors and in chemostat cultures. The bench scale reactors used were rotating biological contactor (RBC) and upflow bioreactors. In RBC, Texas lignite was loaded at 0% and 5% (w/v), while in the upflow and chemostat reactors at 0%, 5% and 10%. Methane, total gas production, soluble carbon and volatile fatty acid production (VFA), as well as microbial growth (measured as cell protein) were monitored. Gas analysis of the headspace from the above mentioned reactors showed higher CO[sub 2] production in experiments with 5% and 10% coal solids (for example, Figure 1). This indicates that acetate degraded into CO[sub 2] but there was not enough hydrogen to carry out the reaction to convert CO[sub 2] to CH[sub 4]. These data obtained confirmed our previous results from laboratory scale reactors, that at coal solids loadings higher than 1%, methane production does not enhance significantly. This phenomena could be due to the production of higher quantities of inhibitory compounds or depletion of factors necessary for methanogenesis.
Date:
January 23, 1993
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Cherokeean/Herald (Rusk, Tex.), Vol. 145, No. 34, Ed. 1 Thursday, September 23, 1993
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
September 23, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 145, No. 47, Ed. 1 Thursday, December 23, 1993
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
December 23, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Register, Volume 18, Number 56, Pages 4771-4910, July 23, 1993
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
July 23, 1993
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 18, Number 31, Part II, Pages 2697-2768, April 23, 1993
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
April 23, 1993
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 18, Number 31, Part I, Pages 2603-2696, April 23, 1993
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
April 23, 1993
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History