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TRANSIENT RADIATION EFFECTS IN CAPACITORS AND DIELECTRIC MATERIALS (open access)

TRANSIENT RADIATION EFFECTS IN CAPACITORS AND DIELECTRIC MATERIALS

Measurements of dielectric leakage, capacitance, electric strength, andd charge scattering phenomena were performed at the Kukla and Godiva III critical assemblies for tantalum and aluminum electrolytic, wax- and oilimpregnated paper, mylar, mica, and ceramic capacitors, and for mylar and Vitamin B-impregnated paper. Leakage data indicate that gamma induced conductivity in capacitor dielectric varies directly with gamma DELTA , where gamma is the gamma radiation rate and DELTA is 0.9 for mylar, 0.7 for Vitamin Q-impregnated paper, and approximately 1.0 for the other dielectrics. A small portion of the tantalum oxide conductivity induced by gamma radiation exhibited a recovery time of approximately 150 mu s. Transient capacitance changes due to radiation were non- existent within plus or minus 0.1% for mica and Vitamin Q capacitors. Transient charging of tantalum capacitors was noted during irradiation with no applied voltage. No drastic changes in electric strength were noted during irradiation of mylar and Vitamin Q-impregnated paper. Results are compared with a summary of data previously collected by others. The use of test data in parametric form as a tool for predicting transient radiation effects is discussed. (auth)
Date: August 15, 1961
Creator: Wicklein, H. W. & Dickhaut, R. H.
System: The UNT Digital Library
Disaster Actions and First Aid (open access)

Disaster Actions and First Aid

This book "provides training material in disaster actions and first aid as a part of the General Military Training Program (p. 1)."
Date: June 15, 1966
Creator: United States. Department of the Air Force.
System: The Portal to Texas History
Oral History Interview with Sarah T. Hughes, 1969 (open access)

Oral History Interview with Sarah T. Hughes, 1969

Interview with Judge Sarah T. Hughes, a former state legislator, state district judge, and federal district judge from Dallas, Texas. In the interview, Hughes discusses her experiences during her time as a member of the Texas House of Representatives. She covers a few of the many milestones of her political career, including her appointment as the state district judge by Governor James Allred, her unsuccessful congressional campaign against Adlai Stevenson in 1956, and her nomination for Vice President in 1952. Hughes comments on women's rights the Kennedy-Johnson campaign in 1960, the Kennedy assassination, and her personal thoughts and experiences concerning women's rights.
Date: January 15, 1969
Creator: Gantt, Fred & Hughes, Sarah T.
System: The UNT Digital Library
Oral History Interview with William J. Lawson, 1968 (open access)

Oral History Interview with William J. Lawson, 1968

Interview with William J. Lawson, a former executive assistant to Governor W. Lee O'Daniel, who was the former Secretary of State for Texas. In the interview, Mr. Lawson, who is from Austin, Texas, discusses his appointment as executive assistant to O'Daniel in 1941. He also describes his role and associations with the administration at the time, as well as his impressions of O'Daniel. Mr. Lawson expresses his personal views and experiences when it comes to relations between O'Daniel and the Legislature, the Democratic State Executive Committee, patronage, the Senate, and also when O'Daniel was appointed Secretary of State.
Date: March 15, 1968
Creator: Gantt, Fred & Lawson, William J.
System: The UNT Digital Library
Achik Golporang Part 2 (open access)

Achik Golporang Part 2

Book of Garo stories and poems.
Date: March 15, 1962
Creator: Sangma, Dhoronsing K.
System: The UNT Digital Library