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  • INSTRUMENTATION AND PHOTOGRAPHY  (478)
  • STRUCTURAL MECHANICS  (256)
  • THERMODYNAMICS AND COMBUSTION  (246)
  • CHEMISTRY  (227)
  • ASTROPHYSICS
  • 1970-1974  (1.245)
  • 1955-1959  (3)
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  • 1
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    BUCLAP2: A computer program for instability analysis of laminated long plates subjected to combined inplane loads. User's manual (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: The usage of the computer program BUCLAP2 is described. The program is intended for linear instability analysis of long, rectangular flat and curved laminated plates with arbitrary orientation of orthotropic axes in each layer. The loadings considered are combinations of inplane normal and shear loads. Arbitray elastic boundary conditions are included for the sides of the plate Instructions for use of the program are included along with Input data requirements, output information, and sample problems. For program description, see .
    Schlagwort(e): STRUCTURAL MECHANICS
    Materialart: NASA-CR-132298 , D6-60187
    Format: application/pdf
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  • 2
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    BUCLAP2: A computer program for instability analysis of laminated long plates subjected to combined inplane loads (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: This program description document describes the program structure and the design details of a CDC 6600 FORTRAN 4 digital computer program, BUCLAP2, which uses minimum energy principles to do an elastic stability analysis of curved and flat laminated rectangular long plates subjected to combined inplane normal and shear loads. Given the geometry, the material properties, and slected boundary conditions for the plate element, the program calculates the minimum buckling load for various wave lengths. The two parallel ends of the program calculates the minimum buckling load for various wave lengths. The two parallel ends of the long plate must be simply supported and arbitrary elastic boundary conditions may be imposed along either one or both external longitudinal sides. For guide to program use, see
    Schlagwort(e): STRUCTURAL MECHANICS
    Materialart: NASA-CR-132299
    Format: application/pdf
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  • 3
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    Carbon monoxide detector (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: A sensitive carbon monoxide detector, developed specifically for spacecraft use, is described. An instrument range of 0 to 60 ppm CO in air was devised. The fuel cell type detector is used as a highly sensitive electrolysis cell for electrochemically detecting gases. The concept of an electrochemical CO detector is discussed and the CO oxidation behavior in phosphoric and sulfuric acid electrolytes is reported.
    Schlagwort(e): INSTRUMENTATION AND PHOTOGRAPHY
    Materialart: NASA-CR-120171
    Format: application/pdf
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  • 4
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    Classical dynamical investigations of reaction mechanism in three-body hydrogen-halogen systems. (1973)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-27
    Schlagwort(e): CHEMISTRY
    Materialart: Journal of Chemical Physics; 58; Apr. 1
    Format: text
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  • 5
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    Fluorinated esters of polycarboxylic acids (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: Fluorine containing esters of polycarboxylic acids are discussed. The use of these esters as extreme temperature lubricants and base fluids for greases is investigated.
    Schlagwort(e): CHEMISTRY
    Format: application/pdf
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  • 6
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    Dynamics of the molecular and atomic mechanisms for the hydrogen-iodine exchange reaction. (1972)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: The molecular and atomic mechanisms for the hydrogen-iodine exchange reaction are treated theoretically by means of extensive classical trajectories calculated on a reasonable potential energy surface on which the single adjustable parameter is the iodine-core effective charge. The analysis shows the molecular mechanism to be dynamically forbidden, but gives an over-all rate constant for the atomic mechanism that is in agreement with the experimental values. It is indicated that the formation of a weak H2I complex plays an important dynamical role if the atomic mechanism is limited to reactions with collision complexes involving no more than two hydrogen atoms and two iodine atoms. Excellent agreement with experiment is obtained for the rate constant for the recombination I+I+H2 yields I2+H2 and its negative temperature coefficient.
    Schlagwort(e): CHEMISTRY
    Materialart: Journal of Chemical Physics; 56; June 15
    Format: text
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  • 7
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    Design manual: Oxygen Thermal Test Article (OTTA) (1974)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: The characteristics of a cryogenic tank for storing liquid hydrogen, nitrogen, oxygen, methane, or helium for an extended period of time with minimum losses are discussed. A description of the tank and control module, assembly drawings and details of major subassemblies, specific requirements controlling development of the system, thermal concept considerations, thermal analysis methods, and a record of test results are provided. The oxygen thermal test article thermal protection system has proven that the insulation system for cryogenic vessels is effective.
    Schlagwort(e): STRUCTURAL MECHANICS
    Materialart: NASA-CR-140209 , ER15961
    Format: application/pdf
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  • 8
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    Reference data for thermocouple materials below the ice point. (1972)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: Standard thermoelectric data have been determined for four thermocouple combinations used below the ice point: commercial types E, K, and T and the special combination of KP vs Au-0.07 at.% Fe. Power series coefficients necessary to generate E = f(T) data for these combinations are given. In addition, extensive tests were carried out to ascertain the variability between materials from different manufacturers. Typical wires processed for low-temperature usage often have slightly thermoelectric properties (up to 1%) from those, nominally identical, wires made for high-temperature applications. Generally, type E is the most satisfactory standardized commercial combination. The Au-0.07 at.% Fe material has been examined in particular detail, because it is not yet an ISA standard material. It has excellent sensitivity in the liquid helium/liquid hydrogen temperature range and a nearly linear thermovoltage at higher temperatures.
    Schlagwort(e): INSTRUMENTATION AND PHOTOGRAPHY
    Materialart: Symposium on Temperature; Jun 21, 1971 - Jun 24, 1971; Washington, DC
    Format: text
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  • 9
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    Calibration of capsule platinum resistance thermometers at the triple point of water. (1972)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-07-13
    Schlagwort(e): INSTRUMENTATION AND PHOTOGRAPHY
    Materialart: Symposium on Temperature; Jun 21, 1971 - Jun 24, 1971; Washington, DC
    Format: text
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  • 10
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    A magnetic bubble domain flight recorder (1974)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: A feasibility model of an all-electronic bubble memory system has been constructed. It uses a small 60k bit bubble recorder consisting of 6 chips of 10k bits each mounted in three separate packages operating as a FIFO at a 150 KHz bubble data rate. In addition to serving as a direct tape recorder replacement, the bubble recorder can be programmed for random access to each individual chip for ranom block access operation or for self-checking or by-passing any malfunctioning memory chip. Read and write operations can be performed asynchronously from very low frequency up to basic recording field frequency. A large 50M bit prototype is planned.
    Schlagwort(e): INSTRUMENTATION AND PHOTOGRAPHY
    Format: text
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