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545 Matching Results
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Ferrules seals
A device is provided for sealing an inner tube and an outer tube without excessively deforming the tubes. The device includes two ferrules which cooperate to form a vacuum-tight seal between the inner tube and outer tube and having mating surfaces such that overtightening is not possible.
Date:
June 19, 1981
Creator:
Smith, J.L.
Object Type:
Patent
System:
The UNT Digital Library
Free-electron laser using rf-coupled accelerating and decelerating structures
A free electron laser and free electron laser amplifier using beam transport devices for guiding an electron beam to a wiggler of a free electron laser and returning the electron beam to decelerating cavities disposed adjacent to the accelerating cavities of the free electron laser. Rf energy is extracted from the electron beam after it emerges from the wiggler by means of the decelerating cavities which are closely coupled to the accelerating cavities, or by means of a second bore within a single set of cavities. Rf energy extracted from the decelerated electron beam is used to supplement energy provided by an external source, such as a klystron, to thereby enhance overall efficiency of the system.
Date:
June 19, 1981
Creator:
Brau, C.A.; Swenson, D.A. & Boyd, T.J. Jr.
Object Type:
Patent
System:
The UNT Digital Library
Discrete-event simulation of nuclear-waste transport in geologic sites subject to disruptive events. Final report
This report outlines a methodology to study the effects of disruptive events on nuclear waste material in stable geologic sites. The methodology is based upon developing a discrete events model that can be simulated on the computer. This methodology allows a natural development of simulation models that use computer resources in an efficient manner. Accurate modeling in this area depends in large part upon accurate modeling of ion transport behavior in the storage media. Unfortunately, developments in this area are not at a stage where there is any consensus on proper models for such transport. Consequently, our work is directed primarily towards showing how disruptive events can be properly incorporated in such a model, rather than as a predictive tool at this stage. When and if proper geologic parameters can be determined, then it would be possible to use this as a predictive model. Assumptions and their bases are discussed, and the mathematical and computer model are described.
Date:
June 19, 1980
Creator:
Aggarwal, S.; Ryland, S. & Peck, R.
Object Type:
Report
System:
The UNT Digital Library
[Letter from William W. Youngblood to Frank Kemerer, June 19, 1987]
Letter from William W. Youngblood to Frank Kemerer, on June 19, 1987, sending him the Student Code of Conduct for the North Carolina School of Science and Mathematics. He draws attention to their attendance policy, and invites Kemerer to call him with any questions. The NCSSM Code of Conduct is also included.
Date:
June 19, 1987
Creator:
Youngblood, William W.
Object Type:
Letter
System:
The UNT Digital Library
Texas: A Future at Risk?
Proposal by Alfred Hurley requesting $1,000,000 from the Southland Corporation to support the Texas Academy of Mathematics and Science. Hurley points out the looming shortage of people with high-tech knowledge, and includes a copy of the proposal for the Academy.
Date:
June 19, 1987
Creator:
Hurley, Alfred F.
Object Type:
Paper
System:
The UNT Digital Library
[Photograph 2012.201.B0051.0966]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Amcare ambulance technicians huddle over Joe M. Sprinkle in front of the twisted wreckage of his car along I-35."
Date:
June 19, 1981
Creator:
Buehner, Jeff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0089.0710]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Don Biffle and his wife Jerry, of Pauls Valley, do some cattle trading Thursday with one of a dozen commission firms which are completing business transactions from makeshift desks and tabletops."
Date:
June 19, 1980
Creator:
Longstreath, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0141.0454]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Terry Lee Conner, Escapee - Robbed Quail Creek Bank."
Date:
June 19, 1985
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0158.0417]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dale Delce, 2, chomps down on a tasty drumstick Saturday at Junetheeth festivities at the Oklahoma City Zoo Amphitheater."
Date:
June 19, 1982
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0149.0142]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Playing with one of the exhibits in omnipex at the first deb party of the season Saturday night are Susan Ware and Keith Crosby."
Date:
June 19, 1982
Creator:
Hellstern, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0150.0705]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 19, 1984
Creator:
Howell, Paul S.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0164.0071]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 19, 1985
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0134.0510]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Taking advantage of one of the window tables and a chance to study the Oklahoma City skyline are Jeanette Cies, Tom Hill, James Barnes and Colleen Almon, from left."
Date:
June 19, 1983
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0631]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
June 19, 1981
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0134.0600]
Caption: "Only during the third week of June is such a sight - elephants on an Oklahoma City street - something other than a tall tale." A long line of elephants walk down the street with horses and a carriage behind them and a police car drives next to them.
Date:
June 19, 1985
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
High-temperature electrically conductive ceramic and method for making same
It is the primary objective or aim of the present invention to provide an electrically conductive composition for the fabrication of susceptors useful for induction melting of uranium and uranium alloys and to also provide such a composition for forming crucibles and other containment vessels utilized to contain uranium at elevated temperatures. This composition does not appear to interact with molten uranium, since there is no significant reaction between the compositional consituents of the susceptor or containment vessel and the confined uranium. This objective is achieved by utilizing a sintered ceramic composition which consists essentially of about 13-67 vol. % of a refractory metal carbide and a nonconductive oxide selected from a group consisting of zirconium oxide, calcium aluminate, yttria, and combinations thereof.
Date:
June 19, 1981
Creator:
Holcombe, C.E. Jr. & Masters, D.R.
Object Type:
Patent
System:
The UNT Digital Library
[Photograph 2012.201.B0312B.0371]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Cougar Stretch" by Gerald Balciar catches the attention of Tish and Ed Joullian, left, and carol and Carey Joullian."
Date:
June 19, 1989
Creator:
Sisney, Steve
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0247.0655]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Enjoying the reunion of the Kelita Klub members Saturday afternoon Nelson Newman, Jane Shanks Hanna and Richard E. Hanna."
Date:
June 19, 1982
Creator:
Lynn, Renee
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0268.0414]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "When you play soccer, you have to use your head, as Austin Hudson demonstrates."
Date:
June 19, 1982
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0248.0594]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The only thing funnier than a clown is three clowns, and three generations of Rev. Darrel Hardy's family prove it."
Date:
June 19, 1983
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0260B.0656]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Kelita Klub members June Giddens Bell, Dorothy Shanks Holder, Houston, and Nelda Kliensmith, Enid, check the roster for familiar names."
Date:
June 19, 1982
Creator:
Lynn, Renee
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0308B.0061]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 19, 1984
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0324.0332]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Even though the time might be better spent pulling up a pair of sagging trousers, William Keith, 5, can't pass up the chance to wring out his sponge on a friend."
Date:
June 19, 1980
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0354.0878]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Waiting for the Gary Good and Co. band to warm are Maggie Engel and Brent Lee."
Date:
June 19, 1983
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History