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Pyganodon grandis, Specimen #823

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; green external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: June 26, 1973
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Pyganodon grandis, Specimen #824

Description: One preserved mussel specimen including both the left and right valves. The specimen exhibits an elliptical shape; thin shell; double looped beak sculpturing; bluish-white internal coloring; green external coloring; no external sculpturing. Collected in the Trinity basin. The specimen measures between 60 - 100 mm in length and was assessed to be recently dead when collected.
Date: June 26, 1973
Creator: Britton, Joseph
Partner: Elm Fork Natural Heritage Museum

Differences in student and faculty attitudes toward physical activity

Description: This study was an investigation of attitudes toward perceived values of physical activity among students and faculty within the Department of Health, Physical Education, and Recreation at North Texas State University. The specific purposes of this study were to determine if a significant difference in attitudes toward each of six values of physical activity exist (1) among men at four educational levels, (2) among women at four educational levels, (3) among undergraduate men who chose to major or minor in either health, physical education or recreation. (4) among undergraduate women who chose to major or minor in either health, physical education, or recreation, (5) between part-time and full-time faculty men, (6) between part-time and full-time faculty women, (7) among graduate men who work in either elementary, secondary, college, or recreation programs, and (8) among graduate women who work in either elementary, secondary, college, or recreation programs. Finally, the study was to determine if significant differences in attitudes toward perceived values of physical activity among subjects within each of twenty-six selected groups within the professional preparation program.
Date: June 1973
Creator: Judkins, Cleetis Wilburn
Partner: UNT Libraries

Cobalt-60 heat source demonstration program. Phase III. Fabrication. Final report

Description: Significant accomplishments completed during Phase III of the /sup 60/Co Heat Source Demonstration program include the following: encapsulation of 2 MCi of /sup 60/Co; fabrication of the heat source, including the ASME coded pressure vessel/core assembly, and biological shielding; endurance testing of a prototype heat pipe for a period of 28 months; fabrication and qualification of the heat pipe emergency cooling subsystem; issue of the safety evaluation report, reference 3, and the operations manual, reference 4; and heat source assembly. The planned demonstration test program was modified to include testing of a total power system. Based on an evaluation of available power conversion systems, which included the closed-cycle Brayton and organic Rankine systems, the closed-cycle Brayton system was selected for use. Selection was based on advantages offered by the direct coupling of this conversion system with the gas-cooled heat source. In implementing the test program, the AiResearch BCD power conversion system was to be coupled to the heat source following initial heat source performance testing and part way through the endurance test. In accordance with the program redirection the following Phase IV checkout operations were completed to evaluate procedural and hardware acceptability: heat source dummy fueling; fueling cask sielding survey; and heat source shielding survey (single pin). Completion of these latter activities verified the acceptability of critical characteristics of the heat source and its supporting equipment.
Date: June 1, 1973
Partner: UNT Libraries Government Documents Department

[Print of NTSU aerial 3]

Description: Photograph of a print of an aerial photo of the NTSU campus from the West. The entire main campus is visible in the photo along with I-35E in the bottom right-hand corner.
Date: June 21, 1973
Location Info:
Partner: UNT Libraries Special Collections

[Print of NTSU aerial 1]

Description: Photograph of a print of an aerial photo of the NTSU campus from the West. The entire main campus is visible in the photo along with I-35E in the bottom right-hand corner.
Date: June 21, 1973
Location Info:
Partner: UNT Libraries Special Collections

[Print of NTSU aerial 2]

Description: Photograph of a print of an aerial photo of the NTSU campus from the West. The entire main campus is visible in the photo along with I-35E in the bottom right-hand corner.
Date: June 21, 1973
Location Info:
Partner: UNT Libraries Special Collections

[Dr. Joel R. Butler portrait photo 3]

Description: Photograph of Dr. Joel R. Butler, the chairman of the NTSU Psychology Department, sitting for a portrait photo. He is wearing a striped suit and a square patterned tie. Butler assumed the position at the beginning of the 1974 spring semester.
Date: June 20, 1973
Partner: UNT Libraries Special Collections

[Dr. Joel R. Butler portrait photo 2]

Description: Photograph of Dr. Joel R. Butler, the chairman of the NTSU Psychology Department, sitting for a portrait photo. He is wearing a striped suit and a square patterned tie. Butler assumed the position at the beginning of the 1974 spring semester.
Date: June 20, 1973
Partner: UNT Libraries Special Collections

[Dr. Joel R. Butler portrait photo 1]

Description: Photograph of Dr. Joel R. Butler, the chairman of the NTSU Psychology Department, sitting for a portrait photo. He is wearing a striped suit and a square patterned tie. Butler assumed the position at the beginning of the 1974 spring semester.
Date: June 20, 1973
Partner: UNT Libraries Special Collections

Breazeale Nuclear Reactor. Eighteenth annual progress report, July 1, 1972--June 30, 1973

Description: Research programs, training and educational activities, and operations aspects for the Penn State Breazeale Reactor during July 1, 1972 to June 30, 1973 are reviewed. Personnel and administrative activities for the reactor facility are described. (DCC)
Date: June 1, 1973
Creator: Levine, S.H. & Robinson, G.E.
Partner: UNT Libraries Government Documents Department

Magnetic field induced far infrared transmission in bismuth

Description: High magnetic fields render the semimetal bismuth sufficiently transparent at far infrared frequencies to study effects not previously seen in reflection experiments. The frequency interval 10 to 400 cm/sup -1/ was explored at fields up to 100 kG using Fourier transform spectroscopic techniques and /sup 3/He-cooled bolometer detectors, and samples were cooled to liquid helium temperatures. Transmission was observed in all three principal crystal direc:. tions when the magnetic field was sufficiently large to drive one or more sets of electrons into the extreme quantum limit. The reduced absorptivity at these fields results from a large reduction in the relaxation rate. (35 figures, 49 references) (DLC)
Date: June 1, 1973
Creator: Blewitt, R.L. & Sievers, A.J.
Partner: UNT Libraries Government Documents Department

Neutron velocity spectroscopy using the Nevis synchrocyclotron. Progress report, July 30, 1972--June 30, 1973

Description: The period August 1, 1972, to June 30, 1973, was marked by the continuing of the analysis of the vast amounts of data obtained during 1968 and 1970 pulsed-neutron time-of-flight spectroscopy runs using the Nevis Synchrocyclotron. Many major research papers from that period have now appeared in print. The numerous evolving results for even A nuclei having atomic mass 150 < A < 190 have given first conclusive (and growing) confirmation of Dyson's theories concerning level spacing systematics. Monte Carlo studies leading to a better understanding of the implications of these theories have also been published. The important paper on /sup 238U and /sup 232/Th is now published, as is that for the Yb isotopes. Papers on the W isotopes, on Na, and on K have been submitted for publication. Results for the Gd and Sm isotopes, for the Cd isotopes, for Ta, for argon, for calcium, for sodium, for potassium, for copper (63/Cu and /sup 65/Cu), and for chlorine are contained in the full report COO- 2174-15. (auth)
Date: June 1, 1973
Creator: Rainwater, J.
Partner: UNT Libraries Government Documents Department

Critical Experiments and Cooperative Evaluations Program seventh quarterly report, April--June 1973

Description: Current activities and technical progress for the period April through June 1973 are reported for two subtasks. Subtask A covers the planning and analysls of critical experiments in ZPPR-3. Subtask B progress is reported for nuclear data evaluation and testing and methods development in support of Subtask A. (auth)
Date: June 1, 1973
Partner: UNT Libraries Government Documents Department