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The Baytown Sun (Baytown, Tex.), Vol. 68, No. 142, Ed. 1 Sunday, April 15, 1990 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 68, No. 142, Ed. 1 Sunday, April 15, 1990

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: April 15, 1990
Creator: Brown, Leon
Object Type: Newspaper
System: The Portal to Texas History
Power supply control units for APS ring magnets (open access)

Power supply control units for APS ring magnets

The APS storage ring (1104 meters) is divided into 40 sectors. Each sector has 38 magnet coils in five magnet bases. Every alternate sector has an additional quadrupole magnet for skew correction. AR the main dipole magnets, two in each sector are connected in series and fed from one power supply unit. A base is controlled by one power supply control unit (PSCU). Each PSCU is connected to the host computer via a local area network (LAN). This note discusses the hardware configuration of the typical power supply control system used by the APS magnets and the software commands supported by the PSCU.
Date: April 15, 1990
Creator: Despe, O.D.
Object Type: Report
System: The UNT Digital Library
Chickasha Daily Express (Chickasha, Okla.), Vol. 99, No. 30, Ed. 1 Sunday, April 15, 1990 (open access)

Chickasha Daily Express (Chickasha, Okla.), Vol. 99, No. 30, Ed. 1 Sunday, April 15, 1990

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: April 15, 1990
Creator: Drew, Charles C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
[News Clip: Camarena - Arrest] captions transcript

[News Clip: Camarena - Arrest]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story about the arrest of Dr. Humberto Álvarez-Machaín in Los Angeles for the murder and kidnapping of DEA agent Enrique S. "Kiki" Camarena Salazar. This story aired at 10 PM.
Date: April 15, 1990
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Concert] captions transcript

[News Clip: Concert]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Concert] captions transcript

[News Clip: Concert]

B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Easter fashions] captions transcript

[News Clip: Easter fashions]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Easter Fashions] captions transcript

[News Clip: Easter Fashions]

B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Egg hunt] captions transcript

[News Clip: Egg hunt]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Egg Hunt] captions transcript

[News Clip: Egg Hunt]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Sculpture] captions transcript

[News Clip: Sculpture]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 10:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
[News Clip: Sculpture] captions transcript

[News Clip: Sculpture]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 15, 1990, 10:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Object Type: Video
System: The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 76, No. 182, Ed. 1 Sunday, April 15, 1990 (open access)

Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 76, No. 182, Ed. 1 Sunday, April 15, 1990

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: April 15, 1990
Creator: Lake, Charles S.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 68, No. 90, Ed. 1 Sunday, April 15, 1990 (open access)

Altus Times (Altus, Okla.), Vol. 68, No. 90, Ed. 1 Sunday, April 15, 1990

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: April 15, 1990
Creator: Lomenick, Rick
Object Type: Newspaper
System: The Gateway to Oklahoma History
Levelland and Hockley County News-Press (Levelland, Tex.), Vol. 12, No. 5, Ed. 1 Sunday, April 15, 1990 (open access)

Levelland and Hockley County News-Press (Levelland, Tex.), Vol. 12, No. 5, Ed. 1 Sunday, April 15, 1990

Semiweekly newspaper from Levelland, Texas that includes local, state, and national news along with advertising.
Date: April 15, 1990
Creator: Lucas, Marlene
Object Type: Newspaper
System: The Portal to Texas History
Mechanisms of time-dependent crack growth at elevated temperature. Final project report, July 1, 1986--August 31, 1989 (open access)

Mechanisms of time-dependent crack growth at elevated temperature. Final project report, July 1, 1986--August 31, 1989

Objective of this 3-y study was to conduct creep and creep-fatigue crack growth experiments and to characterize the crack tip damage mechanisms in a model material (Cu-1wt%Sb), which is known to cavitate at grain boundaries under creep deformation. Results were: In presence of large scale cavitation damage and crack branching, time rate of creep crack growth da/dt does not correlate with C{sub t} or C{sup *}. When cavitation damage is constrained, da/dt is characterized by C{sub t}. Area fraction of grain boundary cavitated is the single damage parameter for the extent of cavitation damage ahead of crack tips. C{sub t} is used for the creep-fatigue crack growth behavior. In materials prone to rapid cavity nucleation, creep cracks grow faster initially and then reach a steady state whose growth rate is determined by C{sub t}. Percent creep life exhausted correlates with average cavity diameter and fraction of grain boundary area occupied by cavities. Synchrotron x-ray tomographic microscopy was used to image individual cavities in Cu-1wt% Sb. A methodology was developed for predicting the remaining life of elevated temperature power plant components; (C{sub t}){sub avg} was used to correlate creep-fatigue crack growth in Cr-Mo and Cr-Mo-V steel and weldments.
Date: April 15, 1990
Creator: Saxena, A. & Stock, S. R.
Object Type: Report
System: The UNT Digital Library
Mechanisms of time-dependent crack growth at elevated temperature (open access)

Mechanisms of time-dependent crack growth at elevated temperature

Objective of this 3-y study was to conduct creep and creep-fatigue crack growth experiments and to characterize the crack tip damage mechanisms in a model material (Cu-1wt%Sb), which is known to cavitate at grain boundaries under creep deformation. Results were: In presence of large scale cavitation damage and crack branching, time rate of creep crack growth da/dt does not correlate with C[sub t] or C[sup *]. When cavitation damage is constrained, da/dt is characterized by C[sub t]. Area fraction of grain boundary cavitated is the single damage parameter for the extent of cavitation damage ahead of crack tips. C[sub t] is used for the creep-fatigue crack growth behavior. In materials prone to rapid cavity nucleation, creep cracks grow faster initially and then reach a steady state whose growth rate is determined by C[sub t]. Percent creep life exhausted correlates with average cavity diameter and fraction of grain boundary area occupied by cavities. Synchrotron x-ray tomographic microscopy was used to image individual cavities in Cu-1wt% Sb. A methodology was developed for predicting the remaining life of elevated temperature power plant components; (C[sub t])[sub avg] was used to correlate creep-fatigue crack growth in Cr-Mo and Cr-Mo-V steel and weldments.
Date: April 15, 1990
Creator: Saxena, A. & Stock, S.R.
Object Type: Report
System: The UNT Digital Library
The Allen American (Allen, Tex.), Vol. 21, No. 30, Ed. 1 Sunday, April 15, 1990 (open access)

The Allen American (Allen, Tex.), Vol. 21, No. 30, Ed. 1 Sunday, April 15, 1990

Semiweekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date: April 15, 1990
Creator: Warnken, Mark
Object Type: Newspaper
System: The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 108, No. 30, Ed. 1 Sunday, April 15, 1990 (open access)

Polk County Enterprise (Livingston, Tex.), Vol. 108, No. 30, Ed. 1 Sunday, April 15, 1990

Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date: April 15, 1990
Creator: White, Barbara
Object Type: Newspaper
System: The Portal to Texas History
Panola College Pony Express (Carthage, Tex.), Vol. [40], No. [13], Ed. 1 Sunday, April 15, 1990 (open access)

Panola College Pony Express (Carthage, Tex.), Vol. [40], No. [13], Ed. 1 Sunday, April 15, 1990

Newspaper from Panola College in Carthage, Texas that includes news of interest to the college community along with advertising.
Date: April 15, 1990
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History