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"25" Critically Consultation with J. W. Morfitt : April 3, 1950 (open access)

"25" Critically Consultation with J. W. Morfitt : April 3, 1950

Summary: "Criticality was considered impossible in any contingency encountered in practice under either of the following conditions which include no safety factor: (a) In any isolated cylinder not more than 5 in. in disruptor, if the total amount of U235 present does not exceed 7.5 Eg. (b) In an isolated vessel of any shape and size, if the total amount of U235 present does not exceed 880 g. An "isolated" vessel is one which does not "see" more than 0.1 [...] other vessels containing fissionable material."
Date: April 3, 1950
Creator: Merrill, E. T. & Sege, G.
Object Type: Report
System: The UNT Digital Library

[Aberdeen Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Aberdeen quadrangle in South Dakota.
Date: April 1981
Creator: Aero Service (Firm)
Object Type: Dataset
System: The UNT Digital Library

[Aberdeen Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Aberdeen quadrangle in South Dakota.
Date: April 1981
Creator: Aero Service (Firm)
Object Type: Dataset
System: The UNT Digital Library
Absolute Cross Sections for Secondary Particles Produced in High-Energy Nuclear Bombardments (open access)

Absolute Cross Sections for Secondary Particles Produced in High-Energy Nuclear Bombardments

From abstract: Absolute cross sections for the production of charged secondary particles is the bombardments of aluminum, nickel, silver, and gold by 332-Mev protons, 187-deuterons, and 380-Mev alpha particles have been determined.
Date: April 20, 1956
Creator: Bailey, L. Evan
Object Type: Report
System: The UNT Digital Library
Absolute Cross Sections of the Reaction P + P - w+ + d (open access)

Absolute Cross Sections of the Reaction P + P - w+ + d

Absolute differential cross sections for the reaction p + p - w+ + d were obtained by detecting meson-deuteron coincidences produced by passing the 340-Mev external proton beam of the Berkeley synchro-cyclotron through a liquid hydrogen target.
Date: April 23, 1953
Creator: Crawford, Frank Stevens, Jr.
Object Type: Report
System: The UNT Digital Library
Accuracy of Relaxation Length Measurements (open access)

Accuracy of Relaxation Length Measurements

We consider here the accuracy of relaxation lengths measured during the water-uranium lattice experiments. Since such an analysis for all measurements would take a great deal of time, we have applied it to just one lattice. This one (2:1 water-to-metal ratio) was chosen completely at random.
Date: April 28, 1953
Creator: Kouts, H.
Object Type: Report
System: The UNT Digital Library
Acid Formation in the Radiolysis of Phosphorus Esters (open access)

Acid Formation in the Radiolysis of Phosphorus Esters

The radiolytic decomposition of tributyl phosphate has been show by burr to product gases, acids, and polymers. the acids that are formed can limit the usefulness of tributyl phosphate for the processing of radioactive materials. The study of acid formation on radiolysis therefor becomes important to us for the understanding of the mechanism of acid formation, the influence of added materials and the effect of the structure of organo- phosphorous compounds. Samples of purified esters have been irradiated in the ORNL cobalt source. Conclusions: (1) The formation of acid from tributyl phosphate during irradiation with cobalt gamma rays involves a mechanism that is not a primary step. Evidence has been obtained for a secondary reaction that is minimized by the presence of certain compounds. (2) Toluene acting as an inhibitor for radiolytic formation of acid may indicate the usefulness of an aromatic hydrocarbon diluent in processing. (3) The aromatic hydrocarbon, when phenyl, was not effective when it was part of the molecule. (4) First tests revealed that dibutyl butyl-phosphonate produced less acid the TBP and may warrant further consideration for process application.
Date: April 3, 1957
Creator: Baldwin, W. H.
Object Type: Report
System: The UNT Digital Library
The Acute Radiotoxicity of Injected Na²⁴ for Mice and Rats (open access)

The Acute Radiotoxicity of Injected Na²⁴ for Mice and Rats

The following report describes the results from studies based on the toxicity and metabolism of radioactive substances derived from uranium fission. Rats and mice were administered radioactive sodium and reactions and changes were studied.
Date: April 15, 1948
Creator: Finkle, R. D.; Snyder, R. H.; Kisieleski, Walter E.; Teresi, J.; Broido, A. & Tompkins, P. C.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Andalusia Quadrangle, Alabama: Final Report (open access)

Aerial Gamma Ray and Magnetic Survey, Andalusia Quadrangle, Alabama: Final Report

A report regarding an aerial gamma-ray and magnetic survey of the Andalusia Quadrangle, Alabama
Date: April 1981
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Dothan Quadrangle, Georgia and Alabama: Final Report (open access)

Aerial Gamma Ray and Magnetic Survey, Dothan Quadrangle, Georgia and Alabama: Final Report

A report regarding and aerial gamma-ray and magnetic survey of the Dothan Quadrangle, Georgia and Alabama
Date: April 1981
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 1. Montrose Detail Projects, Colorado (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 1. Montrose Detail Projects, Colorado

4,231 miles of high sensitivty airborne radiometric and magnetic data were gathered in southwestern Colorado. Data were collected on traverse lines 1/4 mile apart and on tie lines of approximately 6 mile spacing in five seperate detail areas primarily within the Montrose 1° x 2° sheet. All data were fully reduced and interpered by geoMetrics and are presented as six volumes in this final report.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Report
System: The UNT Digital Library
Aerial Gamma-Ray and Magnetic Survey, Final Report. Volume 1: Newcastle and Gillette Quadrangles (Wyoming/South Dakota) and Ekalaka Quadrangle (Montana, South and North Dakota) (open access)

Aerial Gamma-Ray and Magnetic Survey, Final Report. Volume 1: Newcastle and Gillette Quadrangles (Wyoming/South Dakota) and Ekalaka Quadrangle (Montana, South and North Dakota)

The following report is the first in a series of volumes presenting data recorded during the months of August and September, 1978, from a radiometric and magnetic survey taken in four quadrangles between eastern Wyoming, North and South Dakota, and southern Montana (Newcastle, Gillette and Ekalaka).
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 1: Rice Lake Quadrangle (Wisconsin), Iron Mountain Quadrangle (Wisconsin/Michigan), Eau Claire Quadrangle (Wisconsin/Minnesota), and Green Bay Quadrangle (Wisconsin) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 1: Rice Lake Quadrangle (Wisconsin), Iron Mountain Quadrangle (Wisconsin/Michigan), Eau Claire Quadrangle (Wisconsin/Minnesota), and Green Bay Quadrangle (Wisconsin)

A high sensitivity airborne radiometric and magnetic survey of the Rice Like, Iron Mountain, Eau Claire and Green Bay 1:250,000 NMTS Quadrangles within the states of Wisconsin, Michigan, and Minnesota. A total of 10,340 line miles of high sensitivity radiometric and magnetic data were collected within these quadrangles. Traverse lines were flown at a spacing of 3.125 miles in an east/west direction at a 18.375 miles seperation. All data were collected utilizing a fixed wing aircraft and over 3,500 cubic inches of Nal crystal detector. Magnetometer data were collected utilizing a high sensitivity proton magnetometer. Data were recorded digitally at 1.0 second intervals aboard the aircraft. Navigation was performed using both visual and doppler techniques. All data presented in this report as corrected profiles of all radiometric variables, magnetic data, radar and barometric altimeter data, air temperature and airborne bismuth contributions. Radiometric data presented are corrected for Comptron Scatter, altitude dependence and atmospheric Bismuth. These data are also presented on microfiche, and digital magnetic tapes. In addition, anomaly maps and inerpretation maps are presented in relating known geology or soil distribution to the corrected radiometric magnetic data.
Date: April 1987
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Eau Claire Quadrangle (Wisconsin and Minnesota) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Eau Claire Quadrangle (Wisconsin and Minnesota)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Eau Claire quadrangle including maps documenting geophysical and geochemical data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Green Bay Quadrangle (Wisconsin) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Green Bay Quadrangle (Wisconsin)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Green Bay quadrangle including maps documenting geophysical and geochemical data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Iron Mountain Quadrangle (Wisconsin and Michigan) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Iron Mountain Quadrangle (Wisconsin and Michigan)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Iron Mountain quadrangle including maps documenting geophysical and geochemical data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #2, Colorado (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #2, Colorado

The following report is the second volume discussing the detailed aerial gamma ray and magnetic survey results taken for the Montrose quadrangle. This report focuses on Area 2, a detail area in Colorado, and provides a detailed geologic summary, interpretation report, six gamma ray and one magnetic contour maps. geochemical analysis map, interpretation map, flight line map, individual corrected profiles, survey area histograms and statistical tables.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #3, Colorado (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #3, Colorado

The following report is the second volume discussing the aerial gamma ray and magnetic survey results taken for the Montrose quadrangle. This report focuses on Area 3, a detail area in Colorado, and provides a detailed geologic summary, interpretation report, six gamma ray and one magnetic contour maps. geochemical analysis map, interpretation map, flight line map, individual corrected profiles, survey area histograms and statistical tables.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #5, Colorado (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report: Volume 2. Montrose Detail Area #5, Colorado

The following report is the second volume discussing the detailed aerial gamma ray and magnetic survey results taken for the Montrose quadrangle. This report focuses on Area 5, a detail area in Colorado, and provides a detailed geologic summary, interpretation report, six gamma ray and one magnetic contour maps. geochemical analysis map, interpretation map, flight line map, individual corrected profiles, survey area histograms and statistical tables.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Rice Lake Quadrangle (Wisconsin) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2: Rice Lake Quadrangle (Wisconsin)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Rice Lake quadrangle including maps documenting geophysical and geochemical data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Eau Claire Quadrangle (Wisconsin and Minnesota) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Eau Claire Quadrangle (Wisconsin and Minnesota)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Eau Claire quadrangle including magnetic, ancillary and radiometric data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Green Bay Quadrangle (Wisconsin) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Green Bay Quadrangle (Wisconsin)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Green Bay quadrangle including magnetic, ancillary and radiometric data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Iron Mountain Quadrangle (Wisconsin and Michigan) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Iron Mountain Quadrangle (Wisconsin and Michigan)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Iron Mountain quadrangle including magnetic, ancillary and radiometric data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Rice Lake Quadrangle (Wisconsin) (open access)

Aerial Gamma Ray and Magnetic Survey, Final Report. Volume 2a: Rice Lake Quadrangle (Wisconsin)

Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Rice Lake quadrangle including magnetic, ancillary and radiometric data.
Date: April 1978
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library