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Gas Plated Coatings on Metals and Alloys : Progress Report No. 5

Description: The object of the work done during the month of June has been to assure that deposition of chemically pure chromium metal by gas plating, both by itself, or as a component of nickel-chronium and/or other alloys.
Date: July 6, 1953
Creator: Nack, Herman; Bulloff, Jack J. & Whitacre, John R.
Partner: UNT Libraries Government Documents Department
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Fundamentals of Glass-to-Metal Bonding. [Part] 5-A. Temperature and Pressure Dependence of the Wettability of Metals by Glass. [Part] 5-B. Reactions of Tantalum and sodium Silicate Glass. Technical Report No. 5

Description: Part A. The major effort during the past year has been the construction of a suitable vacuum furnace for studying the effects of temperature and pressure on the wettability of metals by glass. A systems was completed that was capable of subjecting test combinations up to temperatures of 1400 degree C at a working pressure of 1 x 10(-5) mm. of Hg. Part B. A compound, identified by X-ray analysis as sodium meta tantalate (na2Ta2O6), was found at the interface between a sodium silicate glass and t… more
Date: June 24, 1955
Creator: Fulrath, Richard M.; Mitoff, Stephan P. & Pask, Joseph A. (Joseph Adam), 1913-2003.
Partner: UNT Libraries Government Documents Department
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Studies of Thorium X Applied to Human Skin. IV. Clinical and Autoradiographic Findings Following the Introduction by Iontophoresis

Description: 1) The technical details of controlled experiments with iontophoresis of thorium X solutions are described. 2) Experiments carried out on living human skin in situ demonstrate that Iontophoresis of weak solutions of thorium X will increase its biologic effects as judged by erythema and pigmentation, and cause greater penetration as shown by autoradiography. 3) The possible relationship between increased penetration of thorium X and increased clinical biologic effects is discussed. 4) Some possi… more
Date: June 1955
Creator: Fleischmajer, Raul & Witten, Victor H.
Partner: UNT Libraries Government Documents Department
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Gas Plated Coatings on Metals and Alloys : Progress Report No. 6 and Final Report

Description: The object of the work performed under this contract was to investigate the possibility of gas plating copper base metal with (a) pure chromium metal from chromium hexacarbonyl vapor; (b) chromium-nickel plating from a mixture of chromium hexacarbonyl and nickel tetracarbonyl. The object of the work performed during the final month was to confirm the fact that the gas plating of chromium metal and chromium-nickel laminates free from nitrides, oxides and carbides was practical.
Date: June 5, 1953
Creator: Nack, Herman; Bulloff, Jack J. & Whitacre, John R.
Partner: UNT Libraries Government Documents Department
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Automatic Thermogravimetric Analysis in Ceramics

Description: Ceramic investigators often find it desirable to know the weight of reactants either immediately after a given heating period or while the specimen is still at the elevated reacting temperature. The conventional gravimetric methods render either of these goals difficult if not actually impossible. Specimens often gain weight through adsorption of water or other reactions upon cooling to room temperature. Desiccators are employed but are not completely satisfactory. Repeated heating and weighing… more
Date: 1955
Creator: Hyatt, Edmond P. (Edmond Preston), 1923-; Cutler, Ivan B., 1924-; Fassell, W. Martin, Jr. & Wadsworth, Milton E.
Partner: UNT Libraries Government Documents Department
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Gas Plated Coatings on Metals and Alloys : Progress Report No. 1

Description: The object of this project is to conduct studies on the coating of metals and alloys by the gas plating process. Coatings to be studied consist of chromium on copper; alloys of nickel chromium on copper; molybdenum on stainless steel and Inconel; chromium on stainless steel and Inconel; and tungsten and molybdenum and their carbides on stainless steel and Inconel.
Date: March 11, 1953
Creator: Nack, Herman & Whitacre, John R.
Partner: UNT Libraries Government Documents Department
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High Altitude Cosmic Ray Neutron Intensity Variations

Description: Three groups of balloon flights carrying unshielded boron trifluoride counters were made from geomagnetic latitudes 10.1°N, 55.1°N, and 88.6°N. From the data obtained, curves of slow-neutron intensity versus atmospheric depth for depths less than 700 millibars are plotted. The mean absorption lengths for neutrons in the equilibrium portion of the atmosphere were found to be [formula]. The depths of the neutron intensity maxima were found to be [formula]. From these results and those of other in… more
Date: July 1, 1955
Creator: Soberman, Robert K.
Partner: UNT Libraries Government Documents Department
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The Lindemann and Grüneisen Laws

Description: The Lindemann assumption of direct contact of neighboring atoms at fusion is replaced by the criterion that melting occurs when the root-mean-square amplitude of thermal vibration reaches a critical fraction ρ, presumed the same for all isotropic monatomic solids, of the distance of separation of nearest-neighbor atoms. The Debye-Waller theory of the temperature dependence of the intensity of Bragg reflection of x-rays is used, without further assumptions, to derive a generalized Lindemann law… more
Date: March 23, 1955
Creator: Gilvarry, J. J. (John James), |1917-
Partner: UNT Libraries Government Documents Department
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The Equation of the Fusion Curve

Description: A generalization of the Lindemann law is used in connection with the Murnaghan equation of state for a solid to derive theoretically the empirical Simon equation for the fusion curve. For the alkali metals it is shown that experimental values of the temperature exponent in the Simon equation are quantitatively compatible with the theoretical evaluation given, and, furthermore, that the theory can predict approximate values of the experiment, in practice.
Date: May 24, 1955
Creator: Gilvarry, J. J. (John James), 1917-
Partner: UNT Libraries Government Documents Department
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Echelle Spectroscopy. Seventeenth Quarterly Progress Report

Description: This is the seventeenth quarterly report on our echelle project, as numbered above. Our work this quarter has to some extent been directed towards the Spectroscopy Symposium held at Argonne National Laboratory on February 15, 16, and 17. This report consists principally of brief abstracts of the two papers given at this meeting. Progress since the last quarterly report included completion of the echelle comparator calibration, and the successful production and photographing of the desired spect… more
Date: February 15, 1956
Creator: Harrison, George Russell, 1898-1979
Partner: UNT Libraries Government Documents Department
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Intermolecular Bonding in the Solid Halogens

Description: The valence theories of halogen coupling constants in the solid state are reviewed. Molecular properties of solid I2, Br2, and Cl2 are tabulated.
Date: 1955
Creator: Bersohn, R.
Partner: UNT Libraries Government Documents Department
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The Development and Operation of the NRTS Laundry

Description: Equipment lists and operating procedures are present for a laundry designed to wash contaminated clothing.
Date: December 1, 1955
Creator: Bonnett, John R.
Partner: UNT Libraries Government Documents Department
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High Temperature Scaling Behavior of Zirconium : Second Technical Progress Report

Description: This technical report summarized studies in the high temperature scaling of zirconium, and covers the period from March 1, 1955 to December 15, 1955. One technical progress report covered the progress of the investigation from April 1, 1953 to march 1, 1955. The previous work was concerned largely with the scaling behavior of zirconium in air, pure oxygen, pure nitrogen and mixtures of oxygen and nitrogen. The major finding arising from these studies was that the peculiar scaling behavior of zi… more
Date: December 1955
Creator: Green, H. M.; Evans, E. B. & Baldwin, William Marsh
Partner: UNT Libraries Government Documents Department
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Penetration of the Gut Wall by Intestinal Bacteria After X-Irradiation. Progress Report June 1, 1955 to January 31, 1956

Description: Factors affecting bacterial invasion from the intestinal tract in x-irradiated mice were investigated. P. morganii was administered in the drinking water on the seventh day following exposure to 600 r total-body x-irradiation. Mortality increased from about 40% following irradiation alone to about 62% after radiation and bacterial challenge together. No effect on mortality was produced by immunization with P. morganii prior to irradiation or injection of spleen homogenates from normal mice shor… more
Date: 1956
Creator: Hatch, M. H.
Partner: UNT Libraries Government Documents Department
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Second Report on Liquid Metal Level Instrument

Description: The liquid metal level instrument will operate at tank temperatures up to 1000 F. Overall system accuracy depends on operating conditions, as described in the report. Test accuracies from 2 to 8% have been obtained from full to empty tank. The primary detector unit successfully passed navy HI shock test.
Date: December 21, 1954
Creator: Droma, Clarence R.
Partner: UNT Libraries Government Documents Department
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Fundamental Research in Nuclear Spectroscopy and X-Rays. Annual Report No. 1 for Period October 1, 1954 to September 30, 1955 on Research in Precision Spectroscopy of Nuclear Energy Levels

Description: The primary purpose of this contract is to develop and exploit techniques for the precision measurement of nuclear energy levels by the spectroscopic study of gamma-rays emitted during the decay of radioisotopes, (1) by the use of a high resolving power curved crystal focusing spectrometer to study wavelengths and intensities of gamma-rays themselves, (2) by means of a precision beta-ray spectrometer to study the conversion lines from gamma-rays both by internal conversion and with external con… more
Date: June 1955
Creator: DuMond, Jesse W. M. (Jesse William Monroe), 1892-1976
Partner: UNT Libraries Government Documents Department
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Beta Gage for Localized Measurements on Thin Films

Description: A gage employing a narrow "pencil" of beta-rays has been developed to determine the thickness of films used a cyclotron targets. The instrument, pictured in Figure 1, allows an estimate of the evenness of films a few mg/cm thick by reproducibly scanning the sample with a collimated beta-ray beam 3/32 in. in diameter.
Date: 1955
Creator: Anders, Oswald U. (Oswald Ulrich) & Meinke, W. Wayne
Partner: UNT Libraries Government Documents Department
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Flammability of Hydrogen-Air-Nitrogen Oxide Mixtures. Final Report

Description: Limit-of-flammability test were conducted on various hydrogen-air-nitric oxide-nitrous oxide mixtures at one atmosphere pressure and at 28 degree C. The data used to define the limits of flammability of the above mixtures are presented in tabular and graphic form and are used to construct a flammable volume in a regular tetrahedron in which the apices are pure H2, air, NO and H2O.
Date: 1956
Creator: Scott, Frank E. & Zabetakis, Michael G., 1924-2005
Partner: UNT Libraries Government Documents Department
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Progress Report No. 39 for the Period September 1, 1955 through November, 1955

Description: This is the thirty-seventh progress report of the Laboratory for Nuclear Science at the Massachusetts Institute of Technology. Progress during the period of June 1, 1955 through August 31, 1955 is reported on: (1) Chemistry of the fission elements group, (2) Nuclear chemistry (inorganic) group, (3) Nuclear chemistry (organic) group, (4) Cosmic ray group, (5) Elementary particle scattering group, (6) Neutron physics group, (7) ONR generator group, (8) Radioactivity group, (9) Cyclotron group, (1… more
Date: November 30, 1955
Creator: {{{name}}}
Partner: UNT Libraries Government Documents Department
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Injection Trajectories and Beam Matching for the Cambridge Electron Accelerator

Description: "ABS>Injection trajectories were calculated for different injection conditions for the Cambridge Electron Accelerator, considering also the effect of magnetic fringing fields. The general problem of matching the emittance of the linac to the acceptance of the synchrotron in the transversal phase space is considered, and it is shown that this can be done by a set of two quadrupole lenses. In order to eliminate rudial betatron oscillations due to energy deviations of the injected particles, a pul… more
Date: April 17, 1957
Creator: Steffen, Klaus G.
Partner: UNT Libraries Government Documents Department
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A Report on the Kinematics of High Energy Electron Scattering

Description: "A convenient summary is given of useful formulas on the kinematics of high energy electron scattering together with a derivation of the relevant formulas for transforming from the center of mass to the laboratory system such parameters as scattering cross sections. The formulas derived hold for any two- body collision: the approximation (m = 0) employed for the electron scattering calculations is rigorously true for the elastic scattering of photons."
Date: May 23, 1957
Creator: Bernstein, Jeremy
Partner: UNT Libraries Government Documents Department
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Evaluation of Foreign Multiplier Phototubes

Description: "Several multiplier phototubes produced by England, Russia, or Switzerland were evaluated for amplification, photocathode sensitivity, photo-electron collection efficiency, cathode uniformity, and dark current. A description of the various tubes by designation numbers is given, along nth a description of techniques and equipment used in testing."
Date: January 1, 1958
Creator: Bolakas, J. & Parker, P G.
Partner: UNT Libraries Government Documents Department
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