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ELEMENT 98

Description: Definite identification has been made of an isotope of the element with atomic number 98 through the irradiation of Cm{sup 242} with 35 Mev helium ions in the Berkeley Orocker Laboratory 60-inch cyclotron. The isotope which has been identified has an observed half-life of about 45 minutes and probably has the mass number 244. The observed mode of decay of the 98{sup 244} is through the emission of alpha-particles, with energy about 7.1 Mev, which agrees with predictions, and other consideration… more
Date: February 27, 1950
Creator: Thompson, S. G.; Street Jr., K.; Ghiorso, A. & Seaborg, G. T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Separation of Trace Amounts of Radioactive Cs From Macro Quanitites of Sodium and Potassium Salts

Description: Summary: A method for the separation of cesium from macro quantities of sodium and potassium using an ion exchange resin, Dowex 50, has been developed. A 95% recovery of cesium with a reduction of the solid content of 95% was found possible. Curves illustrating the effect of acidity, column length, and flow rate are presented in the report. The sodium form, hydrogen form and ammonium form of Dowex 50 were investigated; the hydrogen form was found to give the best separation.
Date: January 27, 1950
Creator: Thorburn, R. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analysis of vegetation for I¹³¹

Description: Report detailing an analysis of the deposition of I-131 on vegetation. Analysis was necessary to determine the potential hazards of the gases from the dissolution of the metal on vegetation.
Date: January 27, 1950
Creator: Leboeuf, M. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Activity of fission products as a function of decay time, and relationship to the TBP process

Description: Fission product distribution, fission product activities, and decontamination factors are terms of general usage in the Chemical Development Section. Specific values for some of these terms have been based upon data procured several years ago. In many cases more accurate basic numbers are now available. This report sets forth in tabular form detailed information on fission product activities as a function of decay time for certain conditions. It attempts to quality the use of the theoretical cu… more
Date: February 27, 1950
Creator: Schwennesen, J. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Separation of Trace Amounts of Radioactive Cs From Macro Quantities of Sodium and Potassium Salts

Description: Recent attempts to separate fission products from urine salts in a form suitable for measurement by beta counting have involved the use of ion exchange resins to remove the ions present in macro quantities leaving the trace elements behind as a {open_quotes}thin{close_quotes} sample for counting techniques. The separation of Cs from Na and K was chosen as the starting point because of the relative difficulty of separating these elements with ordinary chemical techniques. This report describes t… more
Date: January 27, 1950
Creator: Thorburn, R. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Theoretical Investigation of the Dynamic Lateral Stability Characteristics of the Douglas X-3 Research Airplane, Study 41-B

Description: Report presenting calculations of the dynamic lateral stability characteristics of a mock-up configuration of the Douglas X-3. The oscillations were found to be stable for all calculations investigated but would not meet the Air Force damping requirements for the majority of the conditions. The use of an autopilot was found to greatly improve oscillation damping.
Date: April 27, 1950
Creator: Bennett, Charles V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Turbojet-engine evaluation of AISI 321 and AISI 347 stainless steels as nozzle-blade materials

Description: Report presenting an investigation to evaluate the engine service performance of nozzle-diaphragm blades of AISI 321 and AISI 347 stainless steels. Data were obtained from three nozzle diaphragms alternately bladed with each of the two materials. Results regarding a visual inspection, a metallurgical examination, the mechanism of cracking, and the classification of failures are provided.
Date: February 27, 1950
Creator: Garrett, Floyd B. & Yaker, Charles
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Preliminary investigation of heat transfer to water flowing in an electrically heated Inconel tube

Description: A heat-transfer investigation was conducted with water flowing in an electrically heated Inconel tube with an inside diameter of 0.204 inch and a length-diameter ratio of 50 for ranges of Reynolds number up to 100,000 and of entrance pressure up to 200 inches of mercury gage. Correlation of average heat-transfer coefficients was obtained by use of the familiar Nusselt relation, wherein the physical properties of water were evaluated at an average bulk temperature. For conditions in which no boi… more
Date: September 27, 1950
Creator: Kaufman, Samuel J. & Isely, Francis D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Turbojet combustion efficiency at high altitudes

Description: Report presenting research on the single problem of combustion efficiency of turbojet engines at high altitudes. Representative results of investigations with turbojet combustors are presented to analyze trends regarding combustor operating variables, combustor-design variables, and fuel variables.
Date: October 27, 1950
Creator: Olson, Walter T.; Childs, J. Howard & Jonash, Edmund R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Effect of Sweepback on the Longitudinal Characteristics at a Mach Number of 1.24 of a 1/30 Scale Semispan Model of the Bell X-5 Airplane From Tests by the NACA Wing Flow Method

Description: Report discussing testing to determine the effect of sweepback on the longitudinal characteristics of a model of the Bell X-5 airplane at Mach number 1.24. Lift, drag, and pitching moments were obtained for several angles of attack. Effects on the drag coefficient and lift-curve slope are described.
Date: November 27, 1950
Creator: Morris, Garland J.; Kennedy, Robert M. & Silsby, Norman S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Analysis of temperature distribution in liquid-cooled turbine blades

Description: From Summary: "This report presents analytical methods for computing temperature distributions in liquid-cooled turbine blades, or in simplified shapes used to approximate sections of the blade. The individual analyses are first presented in terms of their mathematical development. Nondimensional charts to simplify some temperature-distribution calculations are also given."
Date: October 27, 1950
Creator: Livingood, John N. B. & Brown, W. Byron
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

[Margaret McDonald on set]

Description: Photograph of Margaret McDonald and another woman on set. They stand on a Hotpoint kitchen set with ingredients and food on a table in front of them. In the foreground of the picture is a television camera.
Date: March 27, 1950
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Mary Parker and others]

Description: Photograph of Mary Parker sitting down on a television set surrounded by a group of kids. She sits in a chair with two kids in chairs on both sides of her. In front of her, two camera operators work film the program with a light set next to them.
Date: March 27, 1950
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Margaret McDonald on Hotpoint Set]

Description: Photograph of Margaret McDonald and another woman on a Hotpoint kitchen set. Both the women stand behind a table with food and ingredients on top. In the foreground of the picture, there is a single television camera.
Date: March 27, 1950
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Two puppets hold a box of "Walnettos" caramels]

Description: Photograph of a scene from the See Saw Zoo/The Dean Raymond Puppet Show featuring an advertisement for Peter Paul's "Walnettos" chewy caramel candies. The canine wearing the eye patch puppet and the longhorn wearing a plaid shirt puppet hold a box of "Walnettos" caramels between them. Three additional boxes sit on the puppet show stage.
Date: April 27, 1950
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Four men viewing a set]

Description: Photograph of four men observing a television set from a window. The four men wear formal suits and behind their chairs sits a sign that reads "Reserved for Armour & Co. Officials".
Date: March 27, 1950
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections
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