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Chemical Processing Department Monthly Report
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Irradiation Processing Department Monthly Record Report
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A Novel Membrane Reactor for Direct Hydrogen Production From Coal Progress Report
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A Real-Time Coal Content/Ore Grade (C2OG) Sensor, Technical Report
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BEETIT Program
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Prompt fission neutron spectra and anti. nu. p
Methods used to obtain the evaluated prompt fisson neutron spectrum N(E) and the average prompt neutron multiplicity anti ..nu../sub p/ are reviewed. The relative influence of experimental data; interpolated, extrapolated, and fitted experimental data; systematics; and nuclear theory are considered for the cases where (a) abundant experimental data exist, (b) some experimental data exist, and (c) no experimental data exist. The Maxwellian and Watt distributions, and the determination of the parameters of these distributions by data fitting, are described and compared to recent new theoretical work on the calculation of N(E). Similarly, various expressions for anti ..gamma../sub p/ that have been obtained by data fitting and systematics are described and compared to recent new theoretical work. Complications in the evaluation of N(E) and anti ..gamma../sub p/ due to the onset of multiple-chance fission and the interrelationships between N(E), anti ..gamma delta../sub p/ and the multiple-chance fission cross section are discussed using the example of the fission of /sup 235/U. Some statistics and comments are given on the evaluations of N(E) and anti ..gamma../sub p/ contained in ENDF/B-V, and a number of concluding recommendations are made for future evaluation work.
Date:
September 22, 1980
Creator:
Madland, D. G.
Object Type:
Article
System:
The UNT Digital Library
Bovine lymphocytic leukemia: studies of etiology, pathogenesis and mode of transmission. Progress report No. 17, July 1976--October 1977
The primary objective of the proposed research will be elucidation of the etiology and pathogenesis of bovine leukemia. We have consistently demonstrated C-type particles in mitogen stimulated lymphocyte cultures from leukemic cows and cows with a persistent lymphocytosis. These particles have been concentrated and partially purified by continuous flow, density gradient, ultracentrifugation. Newborn calves and late stage bovine fetuses have been inoculated with these concentrated cell free preparations. Our current study involves extensive monitoring of these inoculated animals to detect early pre-cancerous changes. The following parameters are being measured: the serological titer against a bovine leukemia associated antigen; the percentage of lymphocytes showing nuclear pockets; the percentage of mitogen stimulated lymphocytes with C-type particles adherent to their surface; the percentage of B-lymphocytes in the peripheral circulation; the complete blood count; and the quantity of bovine leukemia virus (BLV) production as determined by the syncytia induction assay. Additional proposals include: using the monitoring parameters to study animals with the juvenile and thymic forms of leukemia; the examination of adult lymphosarcoma cases to determine which tissues harbor BLV; and lymphocyte subpopulation work to further define which cell types are associated with BLV production and tumor formation.
Date:
July 22, 1977
Creator:
Sorensen, D. K.
Object Type:
Report
System:
The UNT Digital Library
Workshop on environmental aspects of geothermal resources development
The workshop is divided into the following subjects: water quality, air quality, biological impact, hazards, environmental impact evaluation, and land use and socio-economic impact. Individual problems in each subject area are evaluated by the following criteria: probability of occurrence, seriousness of consequences, resource applicability, time urgency for new research, and researchability for new research. Recommended approaches to solution are given for each problem. Minority statements are given in some cases. (MHR)
Date:
November 22, 1974
Creator:
Anderson, D. N. & Bowen, R. G.
Object Type:
Article
System:
The UNT Digital Library