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  • Industrial Chemistry  (410)
  • BIOTECHNOLOGY  (268)
  • THERMODYNAMICS AND COMBUSTION
  • 2020-2023
  • 1970-1974  (937)
  • 1973  (937)
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  • 2020-2023
  • 1970-1974  (937)
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  • 1
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    Skylab experiments. Volume 4: Life sciences (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: The life sciences experiments conducted during Skylab missions are discussed. The general categories of the experiments are as follows: (1) mineral and hormonal balance, (2) hematology and immunology, (3) cardiovascular status, (4) energy expenditure, (5) neurophysiology, and (7) biology. Each experiment within the general category is further identified with respect to the scientific objectives, equipment used, performance, and data to be obtained.
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: NASA-EP-113
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 2
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    Aerospace vehicle water-waste management (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: The collection and disposal of human wastes, such as urine and feces, in a spacecraft environment are performed in an aesthetic and reliable manner to prevent degradation of crew performance. The waste management system controls, transfers, and processes materials such as feces, emesis, food residues, used expendables, and other wastes. The requirements, collection, transport, and waste processing are described.
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 915-930
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 3
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    Weightlessness (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-28
    Beschreibung: Weightlessness effects on physiological systems are summarized, including cardiovascular responses, hematological effects, work capacity (exercise tolerance), respiratory responses, skeletal responses, neuromuscular changes, vestibular responses, metabolism, endocrine and electrolyte responses, and weight loss. The nature of the adaptive response to space flight and microbial changes are also discussed. The effects of zero gravity upon performance are ascertained, and the physiological effects of weightlessness are counteracted.
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 349-415
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 4
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    Findings on American astronauts bearing on the issue of artificial gravity for future manned space vehicles (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-27
    Beschreibung: Findings for American astronauts are reviewed that may indicate some alteration in vestibular response related to exposure to zero gravity. Of 25 individuals participating in Apollo missions 7 through 15, nine have experienced symptomatology that could be related to motion sickness. The apparent divergence between these results and those from the Soviet space program, which initially appears great, may reflect the greater emphasis given by Soviet investigators to vestibular aberrations. Presently the incidence of motion sickness, long known as an indicator of vestibular disturbance, seems too low to warrant any positive statement regarding inclusion of an artificial gravity system in future long term space missions. Where motion sickness has occurred, adaptation to weightlessness has always resulted in abatement of symptoms. In the absence of biomedical justification for incorporating artificial gravity systems in long term space flight vehicles, engineering considerations may dictate the manner in which the final ballot is cast.
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 15-22
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 5
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    Atmosphere control (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-27
    Beschreibung: Atmospheric control studies emphasized the carbon dioxide problem. Trace contaminants are removed by solid adsorbents and by catalytic oxidation. Humidity control and storage systems for atmospheric constituents are briefly summarized.
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 807-845
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 6
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    Aircraft Engine Sump Fire Mitigation (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-14
    Beschreibung: An investigation was performed of the conditions in which fires can result and be controlled within the bearing sump simulating that of a gas turbine engine; Esso 4040 Turbo Oil, Mobil Jet 2, and Monsanto MCS-2931 lubricants were used. Control variables include the oil inlet temperature, bearing temperature, oil inlet and scavenge rates, hot air inlet temperature and flow rate, and internal sump baffling. In addition to attempting spontaneous combustion, an electric spark and a rub (friction) mechanism were employed to ignite fires. Spontaneous combustion was not obtained; however, fires were readily ignited with the electric spark while using each of the three test lubricants. Fires were also ignited using the rub mechanism with the only test lubricant evaluated, Esso 4040. Major parameters controlling ignitions were: Sump configuration; Bearing and oil temperatures, hot air temperature and flow and bearing speed. Rubbing between stationary parts and rotating parts (eg. labyrinth seal and mating rub strip) is a very potent fire source suggesting that observed accidental fires in gas turbine sumps may well arise from this cause.
    Schlagwort(e): THERMODYNAMICS AND COMBUSTION
    Materialart: NASA-CR-121158 , AL73T007
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 7
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    Afterburner Performance of Circular V-Gutters and a Sector of Parallel V-Gutters for a Range of Inlet Temperatures to 1255 K (1800 F) (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-14
    Beschreibung: Combustion tests of two V-gutter types were conducted in a 19.25-in. diameter duct using vitiated air. Fuel spraybars were mounted in line with the V-gutters. Combustor length was set by flame-quench water sprays which were part of a calorimeter for measuring combustion efficiency. Although the levels of performance of the parallel and circular array afterburners were different, the trends with geometry variations were consistent. Therefore, parallel arrays can be used for evaluating V-gutter geometry effects on combustion performance. For both arrays, the highest inlet temperature produced combustion efficiencies near 100 percent. A 5-in. spraybar - to - V-gutter spacing gave higher efficiency and better lean blowout performance than a spacing twice as large. Gutter durability was good.
    Schlagwort(e): THERMODYNAMICS AND COMBUSTION
    Materialart: NASA-TN-D-7212 , E-7262
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 8
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    Summer Biomedical Engineering Institute 1972 (1973)
    In:  CASI
    Details
    Publikationsdatum: 2019-08-14
    Beschreibung: The five problems studied for biomedical applications of NASA technology are reported. The studies reported are: design modification of electrophoretic equipment, operating room environment control, hematological viscometry, handling system for iridium, and indirect blood pressure measuring device.
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: NASA-CR-130809
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 9
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    Findings on American astronauts bearing on the issue of artificial gravity for future manned space vehicles. (1973)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-08-13
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: Aerospace Medicine; 44; Feb. 197
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 10
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    The applications of the remote control of the manipulation in manned space exploration (1973)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-08-13
    Beschreibung: The teleoperator system incorporates many of the advantages of manned systems on the one hand, and mechanical systems on the other. Since man is always in the control loop of a teleoperator system, the system is provided the decision making and adaptive intelligence capabilities which are uniquely human. Conversely, since the actual work is performed by the remotely controlled device, the system incorporates the durability, strength, and the expendable nature of a machine. Use of a teleoperator system is generally safer than placing the man at the worksite, and is generally more flexible and adaptable than an automated mechanical system. Potential earth orbital space missions for teleoperator systems, candidate aerospace teleoperator systems to perform these missions, and the current status of teleoperator technology development within NASA are discussed.
    Schlagwort(e): BIOTECHNOLOGY
    Materialart: Symposium on Theory and Practice of Robots and Manipulators; Sep 05, 1973 - Sep 08, 1973; Udine; Italy
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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