Resource Type

The Seniority System in Congress: A Selected Bibliography (open access)

The Seniority System in Congress: A Selected Bibliography

This report provides a bibliography of resources related to the seniority system in Congress.
Date: November 12, 1969
Creator: Kravitiz, Walter
System: The UNT Digital Library
Improved Zirconium Alloys Quarterly Report: October - December 1961 (open access)

Improved Zirconium Alloys Quarterly Report: October - December 1961

Quarterly report describing the progress and development of improved zirconium alloys for service in superheated water and steam. This report covers the period between October 1 to December 31, 1961 and was conducted by the United States and the European Atomic Energy Community (EURATOM).
Date: January 12, 1962
Creator: Weinstein, Daniel & Holtz, F. C.
System: The UNT Digital Library
Improved Zirconium Alloys Quarterly Report: July - September 1962 (open access)

Improved Zirconium Alloys Quarterly Report: July - September 1962

Quarterly report describing the progress and development of improved zirconium alloys for service in superheated water and steam. This report covers the period between July 1 to September 30, 1962 and was conducted by the United States and the European Atomic Energy Community (EURATOM).
Date: October 12, 1962
Creator: Weinstein, Daniel & Holtz, F. C.
System: The UNT Digital Library
9-Zoom : A One-Dimensional, Multigroup, Neutron Diffusion Theory Reactor Code for the IBM 709 [Supplement] (open access)

9-Zoom : A One-Dimensional, Multigroup, Neutron Diffusion Theory Reactor Code for the IBM 709 [Supplement]

The following document describes the usage of the LRL 9-ZOOM code, a neutron diffusion theory reactor code for the IBM 709. The code has been modified to solve configuration of a series of stacked cylindrical disks, designating a new geometry case.
Date: July 12, 1960
Creator: Stone, S. P.
System: The UNT Digital Library
Discussion on Optimization of Large Oil-Pumped Ultra-High Vacuum Systems (open access)

Discussion on Optimization of Large Oil-Pumped Ultra-High Vacuum Systems

Abstract: "Discussion is directed toward eventual optimization of the largest diffusion-pump systems. Less than 100 diffusion pump fluid molecules per cm 2/sec are possible to detect using an accumulation method. Optimization discussed demands highest possible system speed compatible with the above contamination rate. Bakeable oil diffusion pump systems, with equal orifice valve-tap units, without conventional baffling, permit theoretical through-put speeds up to 0.3 of the system orifice. The average backstreaming rate of oil in two unconventionally baffled commercial pumps of 6-in. and 10-in. size is reduced to < 3 x 10-(-4) g/cm-2/24 hr, including heating and cooling the pump boiler. A Ho factor of >0.4 is maintained. Results on trapping with activated alumina, retained by a wire mesh, at both liquid-nitrogen and room temperature are included. A variety of pumping speed measurements and bakeable combination valve-trap units are discussed."
Date: September 12, 1960
Creator: Milleron, Norman & Levenson, L. L.
System: The UNT Digital Library
Price-fixing: a Selected Bibligraphy (Listed Chronologically) (open access)

Price-fixing: a Selected Bibligraphy (Listed Chronologically)

This report is a chronological bibliography on the topic of price-fixing.
Date: October 12, 1969
Creator: Knight, Edward & Poindexter, Beatrice
System: The UNT Digital Library
Seismic Waves from an Underground Explosion in a Salt Bed: Preliminary Report (open access)

Seismic Waves from an Underground Explosion in a Salt Bed: Preliminary Report

From abstract: Seismic waves resulting from a 5 kiloton nuclear detonation 1200 feet deep in a salt bed near Carlsbad, New Mexico were measured by strong-motion seismographs operated by the Coast and Geodetic Survey on the surface in the distance range from 0.5 to 8.8 miles and underground in a potash mine 8.7 to 11.2 miles distant.
Date: April 12, 1962
Creator: Carder, Dean S.; Mickey, W. V.; Murphy, L. M.; Cloud, W. K.; Jordan, J. N. & Gordon, D. W.
System: The UNT Digital Library
Plutonium Oxide- Plastic Mixtures for Critical Mass Studies (open access)

Plutonium Oxide- Plastic Mixtures for Critical Mass Studies

Critical mass experiments to be conducted at HAPO will require dilute and concentrated plutonium solutions. Since very high plutonium concentrations (~2,000 g/l) cannot be attained in pumpable solutions, solid plutonium compounds will be utilized for this phase of the work. Mixtures of plutonium oxide and polyethylene, methyl methacrylate or paraffin compacted in containers have been considers for use in highly-concentrated plutonium systems of known hydrogen to plutonium atomic ratio (H/Pu).
Date: May 12, 1960
Creator: Crocker, H. W.
System: The UNT Digital Library
Completion Report An Automatic Fuel Element Stamping Machine (open access)

Completion Report An Automatic Fuel Element Stamping Machine

This document will be concerned with the design, operation and maintenance of an automatic fuel element stamping machine. In order to take advantage of automatic unloading and length checking at the Acme-Gridley lathes in the 313 Building, automatic stamping of fuel elements is desirable. This, along with the need for a permanent canning line identification, resulted in a request for a machine to automatically stamp HAPO fuel elements on a production basis.
Date: January 12, 1960
Creator: Allen, C. H.
System: The UNT Digital Library
Disposition of Contaminated Processing Equipment at Hanford Atomic Products Operation 1958-1959 (open access)

Disposition of Contaminated Processing Equipment at Hanford Atomic Products Operation 1958-1959

Operating plant experiences in restoring to useful service failed equipment contaminated through exposures to radioactive processes is of international interest to the nuclear industry. In accordance with a request from the Hanford Operations Office of the United States Atomic Energy Commission this report of the various measures taken in rehabilitating for re-use expensive engineered equipment has been compiled by the General Electric Company. This report is a review and summary of the disposition of contaminated major processing equipment at Hanford Atomic Products Operation during 1958-1959 and a listing of 1) equipment buried, 2) equipment stored, to be buried or decontaminated, and 3) equipment decontaminated and returned to service.
Date: February 12, 1960
Creator: Kingsley, P. S.
System: The UNT Digital Library
Once Through Decontamination Studies- Interim Report No. 1. (open access)

Once Through Decontamination Studies- Interim Report No. 1.

The decontamination of the present Hanford reactors involves a once-through cleaning operation. Considerable interest has also been shown in determining the feasibility of this once-through technique for cleanup of certain portions of the NPR system. This report contains information on a series of tests performed in the 242-B single pass flow facility. Information concerning the following are presented: (1) Efficiency of decontaminating KER Loop 1 and 2 contaminated specimens. (2) Efficiency of decontaminating present reactor pigtails by different methods. (3) Areas that need further study.
Date: January 12, 1960
Creator: Perrigo, L. D. & Hekenson, J. F.
System: The UNT Digital Library
Final Report of Piping Components for Organic Coolants (open access)

Final Report of Piping Components for Organic Coolants

Organic compounds with high boiling points and low corrosion qualities have been considered for use as reactor coolants and moderators. Those being considered, however, have a greater tendency to leak than does water. A program to evaluate mechanical closures to be used for a leak-tight system for organic fluids has been established. Report HW-59446 covered descriptions of the facility used in this study and the primary results of tests covering two liquids, fittings, and instrumentation. This report will cover final results and other pertinent information.
Date: January 12, 1960
Creator: Floyd, H. L.
System: The UNT Digital Library
Cell Population Kinetics of an Osteogenetic Tissue, I (open access)

Cell Population Kinetics of an Osteogenetic Tissue, I

Cell proliferation on the actively growing periosteal surface of the femur of rabbits aged two weeks, has been investigated using autoradiographic techniques. Injections of tritiated glycine and tritiated thymidine were given simultaneously and the animals sacrificed at intervals from one hour to 5 days after injection. The glycine labelled the position of the bone surface at the time of injection and the thymidine labelled the cells which were synthesizing DNA . The rate of increase in the cell population was determined by counting the number of cells beyond the glycine label at different times after injection. The cell kinetics of the fibroblast--pre-osteoblast--osteoblast--osteocyte system has been studied. The fibroblasts are relatively unimportant from the point of view of increase in the cell population. The main site of cell proliferation is the layer of preosteoblasts on the periosteal surface. The rate of movement of cells from the pre-osteoblast to the osteoblast and osteocyte compartments has been measured. The incorporation of osteoblasts into the bone is not a random process, but it appears that the osteoblast must spend a certain time on the periosteal surface before becoming either an osteocyte or a relatively inactive osteoblast lining a haversian canal. During its most active …
Date: March 12, 1963
Creator: Maureen, Owen
System: The UNT Digital Library
Cell Population Kinetics of an Osteogenetic Tissue, II (open access)

Cell Population Kinetics of an Osteogenetic Tissue, II

A study of the cell kinetics on the actively growing periosteal surface of the femur of rabbits ages two weeks has been continues. A single injection of tritiated thymidine was given and the rabbits killed from one hour to four days after injection. The grain count spectra of the different cell types, pre-osteoblast, osteoblast and osteocyte, have been compared at different times after injection. The results showed evidence for the uptake of thymidine in nuclei which is not associated with cell division. A small percentage of osteoblasts was initially labelled at one hour and there was evidence that the majority of these had not divided by 3 or 4 days after injection. Some thymidine labelled cells had also become osteocytes without division. Furthermore, it appeared that a considerable fraction of the initially labelled pre-osteoblasts did not divide. The S-period for the pre-osteoblasts and osteoblasts was measured using a double-labelled thymidine technique.
Date: March 12, 1963
Creator: Owen, Maureen & Pherson, Sheila Mac
System: The UNT Digital Library
Antiproton-Nucleon Cross Sections From 0.5 To 1.0 Bev (open access)

Antiproton-Nucleon Cross Sections From 0.5 To 1.0 Bev

Antiproton-production and nucleon-interaction cross sections were investigated for antiprotons in the energy range 0.5 to 1.0 Bev. The antiprotons were distinguished from other particles produced at the Bevatron by a system of scintillation- and velocity-selecting Cerenkov counters. The excitation function and momentum distribution were recorded for antiproton production in carbon and compared with statistical model expectations.
Date: December 12, 1961
Creator: Elioff, Tommy; Agnaw, Louis; Chamberlain, O. (Owen); Steiner, Herbert M.; Wiegand, Clyde (Clyde Edward), 1915-1996 & Ypsilantis, Tom
System: The UNT Digital Library
Study of Low Frequency Molecular Motions in HF, KHF2, KH2F3 and NaH2F3 (open access)

Study of Low Frequency Molecular Motions in HF, KHF2, KH2F3 and NaH2F3

The spectra of KHF2, KH2F3, NaH2F3, liquid and solid HF were measured between 1200 and 30 cm-1 by the inelastic scattering of "cold neutrons" (0.005e.v.). The spectrum of KHF2 is in agreement with previous infrared measurements and shows a peak at 147 mV corresponding to a deformation frequency v2 of the F-H-F group and a broad peak at 13 mV due to a libration of this group. The observed spectra for KH2F3, NaH2F3 solid and liquid HF were compared with that for KHF2 considering the known results that the F-F distance increases, the position of the H atom between the two fluorines becomes more asymmetrical, and the strength of the hydrogen bond decreases in going from the HF2- ion to H2F3- ion to HF. In this comparison the known structure of the H2F3- ion is considered as being intermediate between that of HF2- and the zig-zag hydrogen bonded chains in solid HF. As a result, the lines observed at 112 mV and 67 mV in the H2F3- spectra and in HF respectively are associated with the deformation frequency v2 of the H-F-H group in these compounds. In addition the spectra of H2F3- ions show a peak at a 15 mV …
Date: March 12, 1963
Creator: Boutin, Henri & Safford, G. J.
System: The UNT Digital Library
Adaptation of a Commercial Counter X-Ray Diffractometer for Investigations to 3000°C (open access)

Adaptation of a Commercial Counter X-Ray Diffractometer for Investigations to 3000°C

The rapid advances in many technologically important areas have not only served to accentuate the increased demands for high temperature metals and ceramics but have necessitated a more through knowledge of their physical properties when exposed to high temperature service. Toward this latter end, the use of X-ray diffraction has proved an invaluable tool in providing data of regions of thermal stability, expansion coefficients, solid solubility limits, and phase transformations by direct examination at temperature. Since this Laboratory has for some time now been engaged in the study of refractory nuclear materials, it was thought desirable to employ and possibly extend this technique to temperatures ranging up to 3000°C. This communication will describe the equipment developed for this purpose, with experimental results to be described in subsequent publications.
Date: March 12, 1963
Creator: LaPalca, Samuel; Farber, Gerald & Adler, George
System: The UNT Digital Library
Mathematics of Intermittent Irradiation (open access)

Mathematics of Intermittent Irradiation

Initiation of reactions by intermittent irradiation is frequently encountered in physical, chemical, and biological systems. Mathematical expressions for transient and steady state concentrations of reactive species in these systems are useful for predicting performance and for research purposes. A general method of formulation of the intermittent irradiation problem is presented herein, and illustrative solutions are obtained for radioactive decay chains and for the rotating sector method.
Date: March 12, 1963
Creator: Hill, F. B.
System: The UNT Digital Library
[Report by J. H. Sawyer, December 12, 1963] (open access)

[Report by J. H. Sawyer, December 12, 1963]

Report by J. H. Sawyer concerning officer's location during the transfer of Lee Harvey Oswald and familiarity with Jack Ruby.
Date: December 12, 1963
Creator: Sawyer, J. H.
System: The Portal to Texas History
[Arrest Report for George Senator] (open access)

[Arrest Report for George Senator]

Photocopy of an arrest report for George Senator. The report is illegible.
Date: September 12, 1961
Creator: Dallas (Tex.). Police Department.
System: The Portal to Texas History
[Report from F. I. Cornwall to Chief J. E. Curry, December 12, 1963] (open access)

[Report from F. I. Cornwall to Chief J. E. Curry, December 12, 1963]

Report from F. I. Cornwall to Chief J. E. Curry concerning an interview with Donald Suits. Cornwall states that Suits had no additional information to add to his original report.
Date: December 12, 1963
Creator: Cornwall, F. I.
System: The Portal to Texas History
[Report to W. P. Gannaway by F. A. Hellinghausen and P. M. Parks, February 12, 1964 #3] (open access)

[Report to W. P. Gannaway by F. A. Hellinghausen and P. M. Parks, February 12, 1964 #3]

Criminal intelligence report regarding Declan Ford. Ford stated that Lee Harvey Oswald and his wife came to a small party in his home. Oswald was withdrawn and difficult to talk to. Oswald's wife, Marina, stayed at his home while they were having domestic problems.
Date: February 12, 1964
Creator: Dallas (Tex.). Police Department.
System: The Portal to Texas History
[Report to W. P. Gannaway by Bob K. Carroll, W. S. Biggio, and L. D. Stringfellow, February 12, 1964] (open access)

[Report to W. P. Gannaway by Bob K. Carroll, W. S. Biggio, and L. D. Stringfellow, February 12, 1964]

Criminal intelligence report addressed to Captain W. P. Gannaway of the Special Service Bureau. The report, which was submitted by Bob K. Carroll, L. D. Stringfellow, and W. S. Biggio, presents a list of jurors for the week of February 17, 1964.
Date: February 12, 1964
Creator: Dallas (Tex.). Police Department.
System: The Portal to Texas History
[Typed Statement by J. H. Sawyer] (open access)

[Typed Statement by J. H. Sawyer]

Typed statement by J. H. Sawyer concerning officer's assignments, the murder of Lee Harvey Oswald, and familiarity with Jack Ruby.
Date: December 12, 1963
Creator: Sawyer, J. H.
System: The Portal to Texas History