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  • AERODYNAMICS  (1)
  • AEROSPACE MEDICINE  (1)
  • Chemistry
  • 1995-1999
  • 1985-1989
  • 1975-1979  (2)
  • 1970-1974
  • 1977  (2)
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  • 1995-1999
  • 1985-1989
  • 1975-1979  (2)
  • 1970-1974
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  • 1
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    Effect of prolonged space flight on cardiac function and dimensions (1977)
    In:  CASI
    Details
    Publication Date: 2006-01-16
    Description: By taking advantage of the capabilities of echocardiography to measure noninvasively left ventricular volume, stroke volume, and ejection fraction, and of the fact that the astronauts were routinely subjected to lower body negative pressure (whereby cardiac filling is progressively decreased), it was possible to construct classic ventricular function curves noninvasively, thereby obviating the difficulties encountered in comparing cardiac function at different end-diastolic volumes preflight and postflight. In this manner, the effect of an 84-day period of weightlessness on cardiac structure and function was evaluated in the Skylab 4 astronauts.
    Keywords: AEROSPACE MEDICINE
    Type: NASA., JSC Biomed. Results from Skylab; p 366-371
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Quantitative density visualization in a transonic compressor rotor (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The flow in a 59-cm-diameter high-work transonic compressor rotor has been visualized using a fluorescent gas, 2,3, butanedione, as a tracer. The technique allows the three-dimensional flow to be imaged as a set of distinct planes. Quantitative static density maps were obtained by correcting the images for distortion and nonlinearities introduced by the illumination and imaging systems. These images and maps were used to analyze the three-dimensional nature of the blade's boundary layer and shock system.
    Keywords: AERODYNAMICS
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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