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  • INSTRUMENTATION AND PHOTOGRAPHY  (549)
  • Biochemistry and Biotechnology
  • 1970-1974  (638)
  • 1972  (638)
Collection
Keywords
Publisher
Years
  • 1970-1974  (638)
Year
  • 1
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    L Alpha Photometry of Comet Bennett (1972)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: Results of scanning Comet Bennett in L alpha from OGO-5 are reported. A plot of the comet isophotes in L alpha is presented. The outer envelope of the comet is approximately the 50-Rayleigh contour.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Ariz. Univ. Comets: Sci. Data and Missions; p 51-54
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Transducer applications, a compilation (1972)
    In:  CASI
    Details
    Publication Date: 2019-08-28
    Description: The characteristics and applications of transducers are discussed. Subjects presented are: (1) thermal measurements, (2) liquid level and fluid flow measurements, (3) pressure transducers, (4) stress-strain measurements, (5) acceleration and velocity measurements, (6) displacement and angular rotation, and (7) transducer test and calibration methods.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-SP-5954(01)
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Testing methods and techniques: Testing electrical and electronic devices: A compilation (1972)
    In:  CASI
    Details
    Publication Date: 2019-08-27
    Description: The methods, techniques, and devices used in testing various electrical and electronic apparatus are presented. The items described range from semiconductor package leak detectors to automatic circuit analyzer and antenna simulators for system checkout. In many cases the approaches can result in considerable cost savings and improved quality control. The testing of various electronic components, assemblies, and systems; the testing of various electrical devices; and the testing of cables and connectors are explained.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-SP-5943(01)
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Apollo lunar orbital science. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-08-13
    Description: The Apollo 15 and 16 experiments are discussed. The formal scientific experiments conducted in lunar orbit are listed in an appendix. The gamma ray spectrometer performed a compositional survey of the upper 30 cm of the lunar surface by observing the gamma rays emitted during the radioactive decay of naturally occurring radioisotopes and their daughter products, and of the radioisotopes produced by cosmic ray bombardment of lunar surface materials. The results from the Apollo 15 X-ray spectrometer have shown excellent correlation between returned samples and gross lunar features. The various systems and experiments are described in detail.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Seminar on Operational remote sensing; Feb 01, 1972 - Feb 04, 1972; Houston, TX
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Ultraviolet atomic emission detector (1972)
    In:  CASI
    Details
    Publication Date: 2019-08-13
    Description: A device and method are provided for performing qualitative and quantitative elemental analysis through the utilization of a vacuum UV chromatographic detector. The method involves the use of a carrier gas at low pressure. The gas carries a sample to a gas chromatograph column; the column output is directed to a microwave cavity. In this cavity, a low pressure microwave discharge produces fragmentation of the compounds present and generates intense atomic emissions in the vacuum ultraviolet. These emissions are isolated by a monochromator and measured by photometer to establish absolute concentration for the elements.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Solar observations from Skylab. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-08-13
    Description: A wide variety of problems in solar physics will be attacked with coordinated observations made by the following instruments on Skylab: a white light coronagraph, a spectrograph for the 950-3900 A range, a spectrometer-spectroheliometer for the 300-1300 A range, a spectroheliograph for 150-650 A, X-ray telescopes, and supporting instrumentation. There will be complementary measurements from the ground and from space with 1-sec angular resolution on the sun. A coordinated program of correlative ground-based observations, sounding rocket launches, and observations from other spacecraft is being developed to provide calibration in orbit and simultaneous observations of solar phenomena over a broad range of the electromagnetic spectrum.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Plenary Meeting on Space research XII; Jun 18, 1971 - Jul 02, 1971; Seattle, WA
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Total-pressure averaging in pulsating flows. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Description: A number of total-pressure tubes were tested in a nonsteady flow generator in which the fraction of period that pressure is a maximum is approximately 0.8, thereby simulating turbomachine-type flow conditions. Most of the tubes indicated a pressure which was higher than the true average. Organ-pipe resonance which further increased the indicated pressure was encountered with the tubes at discrete frequencies. There was no obvious combination of tube diameter, length, and/or geometry variation used in the tests which resulted in negligible averaging error. A pneumatic-type probe was found to measure true average pressure and is suggested as a comparison instrument to determine whether nonlinear averaging effects are serious in unknown pulsation profiles.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Symposium on Instrumentation for Airbreathing Propulsion; Sept. 19-21, 1972; Monterey, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    Electron-beam flow visualization - Applications in the definition of configuration aerothermal characteristics. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Description: Comparisons between flow visualization systems using electron-beam fluorescence, schlieren, and shadowgraph techniques illustrate the advantages associated with the electron beam. Specific applications of this method as an aid in defining the origin of erosion on a heat-transfer model are cited. Results of combined electron-beam oil-flow studies on configurations illustrate that the simultaneous definition of the external flow field and its surface flow can be obtained. Comparisons between the electron-beam oil-flow visualization method and phase-change coating heat-transfer tests on a shuttle ascent configuration indicate the complementary nature of these two testing techniques. Potential methods for improving the electron-beam technique are included.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: AIAA PAPER 72-1016 , American Institute of Aeronautics and Astronautics, Aerodynamic Testing Conference; Sept. 13-15, 1972; Palo Alto, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    An experimental study in the application of the Raman scattering technique as a remote sensor of gas temperature and number density in hypersonic CF4 flow. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: AIAA PAPER 72-1018 , American Institute of Aeronautics and Astronautics, Aerodynamic Testing Conference; Sept. 13-15, 1972; Palo Alto, CA
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Use of LEED, Auger emission spectroscopy and field ion microscopy in microstructural studies. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-07-27
    Description: The studies reported were conducted to gain a fundamental understanding of adhesion and dynamic friction on an atomic or microscopic level. Fundamental aspects of low energy electron diffraction (LEED), Auger emission spectroscopy (AES), and field ion microscopy (FIM) are discussed. Typical results of studies conducted are considered, giving attention to LEED-AES experiments, pin and disk experiments, and field ion microscope investigations.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Tools and Techniques for Microstructural Analysis Conference; Sept. 17-18, 1972; Chicago, IL; US
    Format: text
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    NASA TECHNICAL REPORTS
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