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[Letter from Cassandra Broadus to Mary Kolter, January 28, 1991]
Photocopy of a letter from Cassandra Broadus, North Texas Institute for Educators on the Visual Arts, to Mary Kolter, T.D. Marshall Elementary School. Exclaiming how excited Broadus was when she left Kolter's classroom. Broadus writes that the Summer Institute program seems to be going very successful and that she is pleased with the implementation of the discipline-based art education and with how the members of T.D. Marshall's are involved. Broadus writes that she plans to revisit the classroom at the end of the month for another session and that she'll call to confirm the time and to discuss with Mr. Graham what time she could visit his classroom for the writing art lesson.
Date:
January 28, 1991
Creator:
Broadus, Cassandra
Object Type:
Letter
System:
The UNT Digital Library
[Letter from Cassandra Broadus to Linda Medearis, February 28, 1991]
Photocopy of a letter from Cassandra Broadus, North Texas Institute for Educators on the Visual Arts, to Linda Medearis, Principal at Pilot Point Elementary. In regards to requesting the chairpersons of kindergarten, second and third grade to identify themes for the upcoming 1991 NTIEVA summer institute. Broadus writes that the themes themes will be taught throughout the year to the children and she's looking forward to their contribution.
Date:
February 28, 1991
Creator:
Broadus, Cassandra
Object Type:
Letter
System:
The UNT Digital Library
Broadband diffractive lens
Significant progress has been made toward solving the century-old problem of chromatic aberrations in diffractive optics. Our approach exploits modern materials and microfabrication technology and is very different from the purely diffractive strategy,'' which is commonly employed and which results in multiple diffractive elements separated by a finite distance. We have developed a Fresnel zone plate lens comprised of a serial stack of patterned minus-filters which allows broadband radiation to be focused (or imaged) without longitudinal or transverse chromatic aberrations. 7 refs., 4 figs.
Date:
May 28, 1991
Creator:
Ceglio, N. M.; Hawryluk, A. M.; London, R. A.; Seppala, L. G. (Lawrence Livermore National Lab., CA (USA)) & Gaines, D. P. (Brigham Young Univ., Provo, UT (USA))
Object Type:
Article
System:
The UNT Digital Library
Colorado State University Program for Developing, Testing, Evaluating and Optimizing Solar Heating and Cooling Systems
The objective is to develop and test various integrated solar heating, cooling and domestic hot water systems, and to evaluate their performance. Systems composed of new, as well as previously tested, components are carefully integrated so that effects of new components on system performance can be clearly delineated. The SEAL-DOE program includes six tasks which have received funding for the 1991--92 fifteen-month period. These include: (1) a project employing isothermal operation of air and liquid solar space heating systems; (2) a project to build and test several generic solar water heaters; (3) a project that will evaluate advanced solar domestic hot water components and concepts and integrate them into solar domestic hot water systems; (4) a liquid desiccant cooling system development project; (5) a project that will perform system modeling and analysis work on solid desiccant cooling systems research; and (6) a management task. The objectives and progress in each task are described in this report. 6 figs.
Date:
October 28, 1991
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Radiation effects on structural materials
This report discusses the following topics on the effect radiation has on thermonuclear reactor materials: Atomic Displacements; Microstructure Evolution; Materials Engineering, Mechanics, and Design; Research on Low-Activation Steels; and Research Motivated by Grant Support.
Date:
June 28, 1991
Creator:
Ghoniem, N. M.
Object Type:
Report
System:
The UNT Digital Library
Development of improved iron Fischer-Tropsch catalysts
The objective of proposed research is development of catalysts with enhanced slurry phase activity and better selectivity to fuel range products, through a more detailed understanding and systematic studies of the effects of pretreatment procedures and promoters/binders (silica) on catalyst performance.
Date:
October 28, 1991
Creator:
Bukur, D.B.
Object Type:
Report
System:
The UNT Digital Library
Liquid Phase Methanol LaPorte Process Development Unit: Modification Operation, and Support Studies
In April 1987, Air Products started the third and final contract with the US Department of Energy to develop the Liquid Phase Methanol (LPMEOH) process. One of the objectives was to identify alternative commercial catalyst(s) for the process. This objective was strategically important as we want to demonstrate that the LPMEOH process is flexible and not catalyst selection limited. Among three commercially available catalysts evaluated in the lab, the catalyst with a designation of F21/0E75-43 was the most promising candidate. The initial judging criteria included not only the intrinsic catalyst activity but also the ability to be used effectively in a slurry reactor. The catalyst was then advanced for a 40-day life test in a laboratory 300 cc autoclave. The life test result also revealed superior stability when compared with that of a standard catalyst. Consequently, the new catalyst was recommended for demonstration in the Process Development Unit (PDU) at LaPorte, Texas. This report details the methodology of testing and selecting the catalyst.
Date:
January 28, 1991
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Liquid Phase Methanol LaPorte Process Development Unit: Modification, Operation, and Support Studies
The LPMEOH process was conceived and patented by Chem Systems Inc. in 1975. Initial research and studies on the process focused on two distinct modes of operation. The first was a liquid fluidized mode with relatively large catalyst pellets suspended in a fluidizing liquid, and the second was an entrained (slurry) mode with fine catalyst particles slurried in an inert liquid. The development of both operating modes progressed in parallel from bench scale reactors, through an intermediate scale lab PDU, and then to the LaPorte PDU in 1984. The slurry mode of operation was ultimately chosen as the operating mode of choice due to its superior performance.
Date:
February 28, 1991
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Thermal effects and mirror surface figure requirements for a diagnostic beamline at the Advanced Light Source
An imaging beamline based on a Kirkpatrick-Baez mirror configuration has been designed to image the electron beam in the ALS storage ring, to measure its size and shape. The electron beam emittance will be small ({epsilon}h = 3.4 {times} 10{sup {minus}9} m rad) and the quality of the image is extremely sensitive to surface figure distortion of the mirrors. Thermal distortions and surface temperatures have been calculated for radiatively cooled mirrors of various materials in a search for a simple design which avoids water cooling. The choice of mirror material and the thermal and mechanical design is discussed. 6 refs.
Date:
October 28, 1991
Creator:
Warwick, T. (Lawrence Berkeley Lab., CA (United States)) & Sharma, S. (Brookhaven National Lab., Upton, NY (United States))
Object Type:
Article
System:
The UNT Digital Library
Guest Artist Recital: 1991-06-28 - Summer Flute Symposium Master Class
Access:
Use of this item is restricted to the UNT Community
Concert performed at the UNT College of Music Concert Hall.
Date:
June 28, 1991
Creator:
Summer Flute Symposium
Object Type:
Sound
System:
The UNT Digital Library
[Photograph 2012.201.B0119A.0163]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Byrd, Christine ,Programs Director , Jesus House"
Date:
March 28, 1991
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0153.0381]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "The Darnell's, Mickie, Mike and Ginni."
Date:
February 28, 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0145.0084]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Judy Countryman revisits Isabella school, where she was a student."
Date:
March 28, 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0329.0560]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The show, which begins at 7 p.m., is sponsored by M.S. Kim, a Korean native who opened a local martial arts studio after moving to Norman 15 years ago."
Date:
August 28, 1991
Creator:
Gooch, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0313B.0485]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "James Jennings, 58, of Dallas is the new public address announcer at Oklahoma football games this year."
Date:
September 28, 1991
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Cooperative research in coal liquefaction
Significant progress was made in the May 1990--May 1991 contract period in three primary coal liquefaction research areas: catalysis, structure-reactivity studies, and novel liquefaction processes. A brief summary of the accomplishments in the past year in each of these areas is given.
Date:
May 28, 1991
Creator:
Huffman, G. P. & Sendlein, L. V. A. (eds.)
Object Type:
Report
System:
The UNT Digital Library
Advanced Light Source beam position monitor
The Advanced Light Source (ALS) is a synchrotron radiation facility nearing completion at LBL. As a third-generation machine, the ALS is designed to produce intense light from bend magnets, wigglers, and undulators (insertion devices). The facility will include a 50 MeV electron linear accelerator, a 1.5 GeV booster synchrotron, beam transport lines, a 1--2 GeV storage ring, insertion devices, and photon beam lines. Currently, the beam injection systems are being commissioned, and the storage ring is being installed. Electron beam position monitors (BPM) are installed throughout the accelerator and constitute the major part of accelerator beam diagnostics. The design of the BPM instruments is complete, and 50 units have been constructed for use in the injector systems. We are currently fabricating 100 additional instruments for the storage ring. In this paper I discuss engineering fabrication, testing and performance of the beam pickup electrodes and the BPM electronics.
Date:
October 28, 1991
Creator:
Hinkson, J.
Object Type:
Article
System:
The UNT Digital Library
Water cooled metal optics for the Advanced Light Source
The program for providing water cooled metal optics for the Advanced Light Source at Berkeley is reviewed with respect to fabrication and metrology of the surfaces. Materials choices, surface figure and smoothness specifications, and metrology systems for measuring the plated metal surfaces are discussed. Results from prototype mirrors and grating blanks will be presented, which show exceptionally low microroughness and mid-period error. We will briefly describe out improved version of the Long Trace Profiler, and its importance to out metrology program. We have completely redesigned the mechanical, optical and computational parts of the profiler system with the cooperation of Peter Takacs of Brookhaven, Continental Optical, and Baker Manufacturing. Most important is that one of our profilers is in use at the vendor to allow testing during fabrication. Metrology from the first water cooled mirror for an ALS beamline is presented as an example. The preplating processing and grinding and polishing were done by Tucson Optical. We will show significantly better surface microroughness on electroless nickel, over large areas, than has been reported previously.
Date:
October 28, 1991
Creator:
McKinney, W.R.; Irick, S.C. (Lawrence Berkeley Lab., CA (United States)) & Lunt, D.L.J. (Tucson Optical Research Corp., AZ (United States))
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0258.0346]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "French Hickman"
Date:
April 28, 1991
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0248.0550]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Stephen Hardway, 31, a 1978 Putnam City graduate from Oklahoma City, returned to his old school as a representative of the local ACT-UP chapter, or AIDS Coalition to Unleash Power."
Date:
October 28, 1991
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0270.0433]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
September 28, 1991
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0163B.0026]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
August 28, 1991
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0265.0162]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 28, 1991
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0163B.0086]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
August 28, 1991
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History