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  • BIOTECHNOLOGY  (47)
  • 1970-1974  (47)
  • 1950-1954
  • 1973  (47)
  • 1950
  • 1
    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
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  • 2
    Publication Date: 2019-07-13
    Keywords: BIOTECHNOLOGY
    Type: International Symposium on Industrial sterilization; Sep 01, 1972; Amsterdam; Netherlands
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  • 3
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    In:  CASI
    Publication Date: 2005-11-30
    Description: Noise and blast environments are described, providing a definition of units and techniques of noise measurement and giving representative booster-launch and spacecraft noise data. The effects of noise on hearing sensitivity and performance are reviewed, and community response to noise exposure is discussed. Physiological, or nonauditory, effects of noise exposure are also treated, as are design criteria and methods for minimizing the noise effects of hearing sensitivity and communications. The low level sound detection and speech reception are included, along with subjective and behavioral responses to noise.
    Keywords: BIOTECHNOLOGY
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 693-750
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  • 4
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    In:  CASI
    Publication Date: 2005-11-30
    Description: The penetrating ionizing space radiations are found to be extremely diverse in the energy range of both their particulate and their electromagnetic components. Radiation terms and measures and ionizing radiation classes and sources are presented. Whole body radiation effects are examined, including radiation intensity and rate effectiveness factors. Radiation effects on specific body systems, such as blood, skin, visual, and reproductive systems are also discussed.
    Keywords: BIOTECHNOLOGY
    Type: BioTechnol., Inc. Bioastronaut. Data Book, 2d Ed.; p 417-454
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  • 5
    Publication Date: 2006-01-11
    Description: The effects of increasing artificial gravity exposure on four aspects of physiological fitness are examined in four young men who, prior to exposure, were deconditioned with bed rest and water immersion. The four aspects of physiological fitness are orthostatic tolerance, exercise tolerance, forearm endurance, and maximum strength. Orthostatic tolerance was sharply reduced by deconditioning and was substantially improved by walking in simulated lunar gravity (1/6 g) for 2.5 hours daily for 7 days or by walking in 1/2 g and 1 g for 1 hour daily for 3 days. Exercise tolerance was also sharply reduced by deconditioning but did not significantly improve with increasing g-exposure. Walking in 1 g for 1 hour daily for 3 days raised exercise tolerance only a little above the low produced by deconditioning. Forearm endurance and maximum strength were relatively unaffected by deconditioning and subsequent g-exposure.
    Keywords: BIOTECHNOLOGY
    Type: NASA, Washington Fifth Symp. on the Role of the Vestibular Organs in Space Exploration; p 73-83
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  • 6
    Publication Date: 2011-08-16
    Keywords: BIOTECHNOLOGY
    Type: Aerospace Medicine; 44; Nov. 197
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  • 7
    Publication Date: 2011-08-16
    Description: The in-flight caloric intakes of all Apollo astronauts are examined and shown to average about 25 kcal per kg per day. Measurement of weight changes following recovery indicates that about 0.15 kg of fat was lost per man per day in-flight for an average deficit of about 19 kcal per kg per day. Measurement of the caloric intake of astronauts under ground-based conditions and during hypobaric exposure indicated a caloric requirement which was not significantly different from the in-flight requirement adjusted for weight loss. Partial metabolic balance data and measurements of bone loss and body volume revealed that protein and mineral losses also occurred to an extent which would reduce the size of estimated in-flight caloric deficits.
    Keywords: BIOTECHNOLOGY
    Type: Aerospace Medicine; 44; Nov. 197
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  • 8
    Publication Date: 2011-08-16
    Description: Nutrition systems were successfully developed in the Apollo Program for astronauts wearing pressure suits during emergency decompression situations and during lunar surface explorations. These nutrition systems consisted of unique dispensers, water, flavored beverages, nutrient-fortified beverages, and intermediate moisture food bars. The emergency decompression system dispensed the nutrition from outside the pressure suit by interfacing with a suit helmet penetration port. The lunar exploration system utilized dispensers stowed within the interior layers of the pressure suit. These systems could be adapted for provision of nutrients in other situations requiring the use of pressure suits.
    Keywords: BIOTECHNOLOGY
    Type: Aerospace Medicine; 44; Aug. 197
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  • 9
    Publication Date: 2011-08-16
    Keywords: BIOTECHNOLOGY
    Type: Nature; 243; June 1
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  • 10
    Publication Date: 2011-08-16
    Keywords: BIOTECHNOLOGY
    Type: IEEE Transactions on Biomedical Engineering; BME-20; May 1973
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