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563 Matching Results
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[Photograph 2012.201.B1172.0319]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
November 10, 1994
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
The Boerne Star (Boerne, Tex.), Vol. 90, No. 32, Ed. 1 Wednesday, August 10, 1994
Weekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
August 10, 1994
Creator:
Aldridge, Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Characterization of the corrosion resistance of duplex stainless steels using local current density mapping techniques
An in situ investigation of the dissolution behavior of duplex stainless steel has been carried out in acidic solutions containing 2.0 M HCl with 2.0 M H{sub 2}SO{sub 4} to determine differences in dissolution rates of the austenitic and ferritic phases. The current density distribution over the dissolving steel surface was measured using a vibrating electrode. The study demonstrated that this technique could quantify the differences in dissolution rates of the austenitic and ferritic phases under the conditions tested. The dissolution rates for the two phases peak at different potentials resulting in multiple current maxima. In addition, transients in dissolution behavior of the two phases at different potentials were observed using optical microscopy. Electron microscopy of the dissolved surface showed very high levels of aluminum and silicon enrichment on the austenitic phase.
Date:
January 10, 1994
Creator:
Aldykiewicz, A. & Isaacs, H. S.
Object Type:
Report
System:
The UNT Digital Library
Thermochemical decomposition and isomerization of polysilacyclodialkynes and thermochemical and photochemical decomposition of cyclopolysilylketenes
Kinetic data for elimination of silylene supports formation of a ``tighter`` transition state, indicating a silacyclopropene intermediate. This extends the silacyclopropene mechanism to the cyclicdialkyne system and validates the consistency of the mechanism for silylakynes, in general. Investigation into the other possible silacyclopropene product established the instability of the product. The work with silylketenes proved that an inherent difference exists between reactivity of monosilyl-substituted ketenes and polysilyl-substituted ketenes. Although the mechanism for thermal decomposition of bis(silyl)ketenes can be modified to account for the unexpected silylene elimination products, reasons for the difference are limited to speculation. The photochemistry of silylketenes has not been previously studied, so a model system does not exist for comparison with our polysilylketene work. The photochemical experimentation suggests that the photochemistry and thermochemistry of polysilylketenes is not the same. A more extensive study of the mechanism of the systems covered in this research as well as with monosilyl-substituted systems is needed.
Date:
May 10, 1994
Creator:
Altman, L. B.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Photograph 2012.201.B0097.0126]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Jack Wooden studies a book on the Southwest before pricing it."
Date:
February 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0097.0127]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The oldest book in the library sale is an 1807 boo by Thomas Gray."
Date:
February 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0097.0128]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bobbie Brown examines a rare book on butterflies."
Date:
February 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0101.0249]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
May 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0142.0484]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Randal Cook tunes one of the hammer dulcimers produced in a small plant in Bennington."
Date:
May 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0150.0522]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Edmond High School SR- Scott king"
Date:
May 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0232.0112]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0329.0011]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Kirke Kickingbird crosses paths with Indian heritage during his job, but it's his own ancestry that soon will take him to Anadarko for recognition of his great-great-grandfather."
Date:
June 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0399.0153]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Earl Mitchell, OSU interim associate vice president of multi-cultural affairs, said the American workforce desperately needs minorities in the fields of science, engineering and mathematics for 21st century."
Date:
June 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0409.1049]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Willie Johnston straightens one of the colorful posters seen at the Gene Autry Museum in Gene Autry."
Date:
May 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0410B.0546]
Woman looks at a book in a library.
Date:
February 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0982.0159]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A new four-hole "golf course" is being built by Oklahoma State University's branch campus in Oklahoma City near the junction of Interstate 44 and Interstate 40."
Date:
July 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1026.0540]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A summer night, a big screen and the top down is a new adventure for a young generation."
Date:
June 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1093.0334]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Coach D. L. "Dud" Robertson encourages his Cashion team during the game. (A 34-12 win)"
Date:
September 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1154.0631]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
June 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1154.0632]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Berni Schwartz, left, and Bill Guzenski work in the projection room over the concession stand."
Date:
June 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1188.0206]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Edmond's Teddy Smith watches his putt on the 18th green during Tuesday's 5A golf tournament."
Date:
May 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1200.0340]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Antique Spurs for sale."
Date:
February 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1387.0028]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Martha baker and Michael Grissom promote a Monday meeting of the Committee for Historic downtown Wynnewood."
Date:
June 10, 1994
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
News Bulletin (Castroville, Tex.), Vol. 35, No. 6, Ed. 1 Thursday, February 10, 1994
Weekly newspaper from Castroville, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 10, 1994
Creator:
Barnes, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History