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Cyrtonaias tampicoensis, Specimen #160

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an oval shape; moderately thick shell; single looped beak sculpturing; pink internal coloring; reddish-brown external coloring; no external sculpturing. Collected in the Brazos basin. The specimen measures between 0 - 60 mm in length and was assessed to be recently dead when collected.
Date: January 7, 1976
Creator: Johnson, L.
Partner: Elm Fork Natural Heritage Museum

[News Clip: Bridges]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: January 7, 1979, 5:30 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Clip: DP&L]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: January 7, 1979, 10:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Clip: Airport]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: January 7, 1978, 10:00 p.m.
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Location Info:
Partner: UNT Libraries Special Collections

How the Food Stamp Program Works: A Resource Paper

Description: This report provides details on the food stamp program in the United States, such as eligibility criteria and how recipients can use their food stamps. In appendices, facts and figures on monthly coupon allotments, purchase requirements, and monthly net income standards are provided for the United States and its territories.
Date: January 7, 1975
Creator: Michelman, Kathryn & Richardson, Joe
Partner: UNT Libraries Government Documents Department

[News Clip: Body]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5:30 P.M.
Date: January 7, 1978
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Clip: Victim]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 6:00 P.M.
Date: January 7, 1979
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

[News Clip: Insurance]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 10:00 P.M.
Date: January 7, 1979
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Partner: UNT Libraries Special Collections

Large area silicon sheet task low-cost silicon solar array project. Fourth quarterly progress report, September 27, 1976--December 31, 1976

Description: The seeded growth furnace with a slotted molybdenum susceptor has been operated during the past quarter. The susceptor design permits flat sheets of refractory materials to be used in making up the tray. Fused quartz and sapphire trays were used. Local surface cooling was obtained by means of a water-cooled cold finger. Seeded surface growth has been obtained in this furnace using a seed with (111) axis and (112) principal faces. The silicon grown out of solution has a region approximately 3 mm x 5 mm, which is substantially single-crystal with the same crystallographic orientation as the seed. Sessile drop experiments have been initiated as a rapid method of determining the suitability of various refractory materials as trays for tin melts. These experiments indicate the presence of some impurity in the starting tin, which forms a surface film that prevents the tin from wetting silicon. This film can be removed by heating the tin to 900/sup 0/C in hydrogen.
Date: January 7, 1977
Creator: Garfinkel, M. & Hall, R. N.
Partner: UNT Libraries Government Documents Department

CORTAP: a coupled neutron kinetics-heat transfer digital computer program for the dynamic simulation of the high temperature gas cooled reactor core

Description: CORTAP (Core Transient Analysis Program) was developed to predict the dynamic behavior of the High Temperature Gas Cooled Reactor (HTGR) core under normal operational transients and postulated accident conditions. CORTAP is used both as a stand-alone component simulation and as part of the HTGR nuclear steam supply (NSS) system simulation code ORTAP. The core thermal neutronic response is determined by solving the heat transfer equations for the fuel, moderator and coolant in an average powered region of the reactor core. The space independent neutron kinetics equations are coupled to the heat transfer equations through a rapidly converging iterative technique. The code has the capability to determine conservative fuel, moderator, and coolant temperatures in the ''hot'' fuel region. For transients involving a reactor trip, the core heat generation rate is determined from an expression for decay heat following a scram. Nonlinear effects introduced by temperature dependent fuel, moderator, and coolant properties are included in the model. CORTAP predictions will be compared with dynamic test results obtained from the Fort St. Vrain reactor owned by Public Service of Colorado, and, based on these comparisons, appropriate improvements will be made in CORTAP.
Date: January 7, 1977
Creator: Cleveland, J. C.
Partner: UNT Libraries Government Documents Department

Feasibility study and prototype design of a NaI gamma-ray densitometer for use in LOFT

Description: The performance of a gamma-ray densitometer system using computer modeling techniques is predicted. The system studied consists of a /sup 60/Co calibration source, a pipe containing a variable amount of water absorber where the water contains radioactive /sup 16/N, and a shielded and collimated NaI detector system. The basic question is: Can one detect the change in signal from the collimated /sup 60/Co calibration source caused by a water density change when the detector system is subject to an adjacent background source equivalent to about 30 Ci of high energy (avg. 6 MeV, pk. 10 MeV) gamma rays. The first report indicated that excessive (saturation) detector count rates could easily occur from this high energy, high intensity background and the second basic question is: How much lead shielding is required for typical NaI detectors to keep the detector count rate from this source below 50 kcps (50,000 counts per second). The importance of this question is borne out by the results that indicate that the weight of lead shielding required is about 1000 lbs.
Date: January 7, 1977
Creator: Swierkowski, S. P.
Partner: UNT Libraries Government Documents Department

Review of methods for the detection of 10 nCi/g of transuranic isotopes in solid waste

Description: The U.S. Atomic Energy Commission has defined transuranic-contaminated waste as material that is contaminated with greater than 10 nCi/g of long-lived and highly toxic radionuclides. The analyses and techniques that show potential for detection at this low level are reviewed. The physics involved with the methods described is relatively straightforward, but difficulties arise in the actual application of the techniques. Therefore, discussion is concentrated on the application of the analyses, including the necessary calculational considerations and the potential problems that may be encountered. No simple method presently exists for measuring transuranic isotopes in solid waste material at the low level of 10 nCi/g. In the absence of an interfering background (< 1 mR/hr), gamma-ray spectroscopy is the best method available. Monitoring helium production in sealed waste material shows good potential for detection at the 10-nCi/g level. The only other viable method involves a complex procedure of counting spontaneous-fission neutrons, neutron irradiation, and counting delayed neutrons. However, if the minimum detectable level permitted in waste material were raised to ..mu..Ci/g, we would be able to use several more measurement methods detect almost all the transuranic isotopes present in solid waste.
Date: January 7, 1977
Creator: King, W. C.
Partner: UNT Libraries Government Documents Department