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  • BIOTECHNOLOGY  (285)
  • 1970-1974  (285)
  • 1935-1939
  • 1
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    An evaluation of Orbital Workshop passive thermal control surfaces (1974)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The optical properties of selected Orbital Workshop thermal control surfaces are discussed from the time of their installation through the end of the Skylab missions. The surfaces considered are the goldized Kapton tape on the habitation area sidewall, the S-13G white paint on the Workshop aft skirt, and the multilayer insulation system on the forward dome of the habitation area. A quantitative assessment of the effects of exposure to the ascent and orbital environments is made including the effects of rocket exhaust plume contamination. Although optical property degradation of the external surfaces was noted, satisfactory thermal performance was maintained throughout the Skylab missions.
    Keywords: BIOTECHNOLOGY
    Type: ASME PAPER 74-ENAS-39 , Intersociety Conference on Environmental Systems; Jul 29, 1974 - Aug 01, 1974; Seattle, WA; US
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    System distortion errors in radiorespirometry curves. (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Description of a method for evaluating the maximum error producible in the system distortion of a carrier gas type radiorespirometer. The maximum producible error is evaluated on the basis of a second order. The maximum producible decrease in peak height output is calculated as a function of the system's time constant or flow rate by using the system's transfer function and the Laplace transformation equation (Gardner and Barnes, 1961).
    Keywords: BIOTECHNOLOGY
    Type: International Journal of Applied Radiation and Isotopes; 22; 1971
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  • 3
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    C14-radiorespirometry system for astronaut medical monitoring. (1972)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A C14-CO2 radiorespirometry-computer system for monitoring human metabolism during space missions is described. Data collection using this apparatus is an effective 'real time' system allowing rapid, low-cost data processing which is ideal for telemetering signals from spacecraft to earth.
    Keywords: BIOTECHNOLOGY
    Type: Aerospace Medical Association, Annual Scientific Meeting; May 08, 1972 - May 11, 1972; Bal Harbour, FL
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    The contingent negative variation and the late positive wave of the average evoked potential (1970)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: EEG analysis for poststimulus events, examining contingent negative variation and late positive wave of average evoked potential
    Keywords: BIOTECHNOLOGY
    Type: ; DIOTEKHNIKA (
    Format: text
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  • 5
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    Measurements, modeling, control and simulation - as applied to the human left ventricle for purposeful physiological monitoring. (1971)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Interdisciplinary engineering research effort in studying the intact human left ventricle has been employed to physiologically monitor the heart and to obtain its 'state-of-health' characteristics. The left ventricle was selected for this purpose because it plays a key role in supplying energy to the body cells. The techniques for measurement of the left ventricular geometry are described; the geometry is effectively displayed to bring out the abnormalities in cardiac function. Methods of mathematical modeling, which make it possible to determine the performance of the intact left ventricular muscle, are also described. Finally, features of a control system for the left ventricle for predicting the effect of certain physiological stress situations on the ventricle performance are discussed.
    Keywords: BIOTECHNOLOGY
    Type: Franklin Institute; vol. 292
    Format: text
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  • 6
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    Microbiological testing of Skylab foods. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Review of some of the unique food microbiology problems and problem-generating circumstances the Skylab manned space flight program involves. The situations these problems arise from include: extended storage times, variations in storage temperatures, no opportunity to resupply or change foods after launch of the Skylab Workshop, first use of frozen foods in space, first use of a food-warming device in weightlessness, relatively small size of production lots requiring statistically valid sampling plans, and use of food as an accurately controlled part in a set of sophisticated life science experiments. Consideration of all of these situations produced the need for definite microbiological tests and test limits. These tests are described along with the rationale for their selection. Reported test results show good compliance with the test limits.
    Keywords: BIOTECHNOLOGY
    Type: Applied Microbiology; 25; Jan. 197
    Format: text
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  • 7
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    Pilot dynamics for instrument approach tasks: Full panel multiloop and flight director operations (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Measurements and interpretations of single and mutiloop pilot response properties during simulated instrument approach are presented. Pilot subjects flew Category 2-like ILS approaches in a fixed base DC-8 simulaton. A conventional instrument panel and controls were used, with simulated vertical gust and glide slope beam bend forcing functions. Reduced and interpreted pilot describing functions and remmant are given for pitch attitude, flight director, and multiloop (longitudinal) control tasks. The response data are correlated with simultaneously recorded eye scanning statistics, previously reported in NASA CR-1535. The resulting combined response and scanning data and their interpretations provide a basis for validating and extending the theory of manual control displays.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-2019
    Format: application/pdf
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  • 8
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    NASA's contributions to patient monitoring, appendix (1971)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Health care problems, and markets for patient monitoring equipment are discussed along with contributions to all phases of patient monitoring, and technology transfer to nonaerospace problems. Health care medical requirements, and NASA achievements in patient monitoring are described, and a summary of the technology transfer is included.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-131538
    Format: application/pdf
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  • 9
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    Six-man, self-contained carbon dioxide concentrator system (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A six man, self contained electrochemical carbon dioxide concentrating subsystem was successfully designed and fabricated. It was a preprototype engineering model designed to nominally remove 6.0 kg (13.2 lb) CO2/day with an inlet air CO2 partial pressure of 400 N/sq m (3 mm Hg) and an overcapacity removal capability of 12.0 kg (26.4 lb) CO2/day. The design specifications were later expanded to allow operation at space station prototype CO2 collection subsystem operating conditions.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-114743 , LSI-ER-134-32
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  • 10
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    Study directed at development of an implantable biotelemetry ion detector (1971)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A literature search was conducted to currently update known information in the field of ion-selective electrodes. The review attempts to identify present trends in cation and anions selective electrodes pertinent to the area of bioimplantable units. An electronic circuit was designed to provide the high impedance interface between the ion-selective sensors and signal-processing equipment. The resulting design emphasized the need for low power and miniaturization. Many of the circuits were constructed and used to evaluate the ion-selective electrodes. A cuvette capable of holding the ion-selective and the reference electrodes was designed and constructed. This equipment was used to evaluate commercially available ion-selective electrodes and the electrodes designed and constructed in the study. The results of the electrode tests are included.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-114415 , R-701
    Format: application/pdf
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