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25,479 Matching Results
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Report on United States Relations with Panama. 1977
This report is about the Panama Canal, built and operated by the United States, slices the Republic of Panama in half and the relations between the United states and Panama.
Date:
August 11, 1977
Creator:
Morgan, Thomas E
Object Type:
Report
System:
The UNT Digital Library
Fixed tilt solar collector employing reversible vee-trough reflectors and vacuum tube receivers for solar heating and cooling systems. Final report. JPL Publication 77-78
The objective of the Vee-Trough/Vacuum Tube Collector (VTVTC) Project was to prove the usefulness of vee-trough concentrators in improving the efficiency and reducing the cost of collectors assembled from evacuated tube receivers. The VTVTC was analyzed rigorously and various mathematical models were developed to calculate the optical performance of the vee-trough concentrator and the thermal performance of the evacuated tube receiver. A test bed was constructed to verify the mathematical analyses and compare reflectors made out of glass, Alzak and aluminized FEP Teflon. Tests were run at temperatures ranging from 95 to 180/sup 0/C during the months of April, May, June, July and August 1977. Vee-trough collector efficiencies of 35 to 40% were observed at an operating temperature of about 175/sup 0/C. Test results compared well with the calculated values. Test data covering a complete day are presented for selected dates throughout the test season. Predicted daily useful heat collection and efficiency values are presented for a year's duration at operation temperatures ranging from 65 to 230/sup 0/C. Estimated collector costs and resulting thermal energy costs are presented. Analytical and experimental results are discussed along with a complete economic evaulation. Recommendations for the continuation of the project are presented.
Date:
December 1, 1977
Creator:
Selcuk, M. K.
Object Type:
Report
System:
The UNT Digital Library
Steady-State Thermomechanical Finite Element Analysis of Elastoviscoplastic Metal Forming Processes
Extrusion and rolling processes exhibiting large amounts of plastic flow are analyzed using a finite element technique that is based on a modified creeping viscous flow approximation. The technique, called the initial stress-rate method, iteratively corrects creeping viscous flow solutions to generate results that include elastic response. The momentum equations have been coupled with the energy equation to provide the capability to predict thermomechanical response during forming operations.
Date:
January 1, 1977
Creator:
Dawson, P.R. & Thompson, E.G.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0408.0070]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma State Fair 1977"
Date:
September 28, 1977
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0052.0671]
Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "SMASHED EDMOND POLICE CAR is towed away after the driver, Sgt. Gary Cooper, swerved to avoid a stopped school bus at U.S. 66 and Air Depot Road Monday and ran off the road. The police unit, which was pursuing armed and robbery suspects, flipped over and came to rest partially submerged in a farm pond. Cooper and another Edmond officer in the car, George M. Meador, suffered minor injuries."
Date:
March 14, 1977
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0224.0485]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Pro-life attorney Bill Choate appeared at the anti-abortion exhibit at State Fair of Oklahoma Today as fair officials again refused to return materials to Oklahomans for Life."
Date:
September 29, 1977
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0408.0063]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Oklahoma State Fair 1977"
Date:
September 26, 1977
Creator:
Reed, Monty
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0052.0487]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "CRUMPLED after catching the top of the Western Avenue bridge over the Northwest Expressway Monday is a five-ton forklift. Police said the machine riding atop a semi-tractor trailor, tumbled 180 feet behind the eastbound truck. Debris struck one westbound car, causing minor auto damage. Driver Eugene Wright, who was en route to his home base at Wichita, Kan., was cited for carrying a load two feet too high to clear the posted bridge height."
Date:
June 20, 1977
Creator:
Reed, Monty
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0300.0214]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Wrapping favors for the Delta Rho Delta convention "sugar 'N' Spice Brunch" to be held Sunday at 11 a.m. at Hilton Inn Northwest are Birdie Kirkpatrick, left, ant Thelma Meriwether."
Date:
October 26, 1977
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0318.0418]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Maj. and Mrs. Charles Dutreau Stillwater sign papers establishing the Dutreau Scholarship fund for study abroad by Oklahoma State University students studying foreign languages."
Date:
June 30, 1977
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0051.1058]
Photograph taken for a story in the Oklahoma City Times newspaper. Caption: "Ward B. Auxier, 57, of 4048 NW 61, escaped injury about 8:30 a.m. today when his 1975 Chrysler stalled on railroad tracks near SW 7 and Western and was struck by a 97-car Rock Island train."
Date:
July 29, 1977
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0408.0078]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma State Fair 1977"
Date:
September 29, 1977
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0052.0676]
Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "Crumpled death car and an overturned motor home are cleared off U. S. 69 by emergency workers."
Date:
January 15, 1977
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0316.0220]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Bob Dudley, Durant, fast draw artist, will be on had Saturday and Sunday to display his skills."
Date:
June 18, 1977
Creator:
Tapscott, George
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0051.1068]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Slick street were blamed in a accident that roughed up this car driven by Thomas S. Haun Jr., 8500 N Francis, Tuesday afternoon."
Date:
January 11, 1977
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0408.0073]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Oklahoma State Fair 1977"
Date:
September 27, 1977
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0053.0747]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "The driver and a passenger in this cab escaped serious injury when their truck and trailer, carrying 20 tons of hanging beef, overturned about 2 a.m. this morning at the I-35, I-40 interchange."
Date:
August 26, 1977
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0408.0082]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma State Fair 1977"
Date:
September 27, 1977
Creator:
Vahlberg, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0051.1060]
Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "The long and short of it meet in Oklahoma City just after 4 p.m. Thursday on E.K. Gaylord Boulevard at NW 3."
Date:
June 23, 1977
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0052.0732]
Photograph taken for a story in the Oklahoma City Times newspaper. Caption: "City Driver seriously injured A 37-year-old Oklahoma City driver, William Washington, was seriously injured today when his car, left, spun out of control and was rammed by a pickup and a third vehicle plowed into them at 9:30 a.m. on I-40 just west of Western. Four other persons involved in the crash escaped uninjured. The accident blocked the roadway for about 30 minutes and backup traffic about two miles in both directions."
Date:
November 8, 1977
Creator:
Ward, Mike
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0223.0778]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Tiger the chimp ponders a question during an interview."
Date:
December 8, 1977
Creator:
Reed, Monty
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0052.1197]
Photograph taken for a newspaper owned by the Oklahoma Publishing Company.
Date:
October 6, 1977
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0408.0102]
Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Oklahoma State Fair 1977"
Date:
September 15, 1977
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0223.0237]
Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "First Christian Church"
Date:
August 7, 1977
Creator:
Tullous, Don
Object Type:
Photograph
System:
The Gateway to Oklahoma History