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  • Other Sources  (6)
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  • 1
    Publication Date: 2019-06-27
    Description: Individual variations in annoyance and in susceptibility to noise were studied to establish a finer definition of the ingredients of the human annoyance response. The study involved interactions among a heterogeneous sample of human subjects, various noise stimuli, and different physical environments of exposure. Significant differences in annoyance ratings among the six noise stimuli, all equated for peak sound pressure level, were found.
    Keywords: BEHAVIORAL SCIENCES
    Type: NASA-CR-144921
    Format: application/pdf
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  • 2
    Publication Date: 2019-06-27
    Description: Studies of noise effects upon human information processing are described which investigated whether or not effects of noise upon performance are dependent upon specific characteristics of noise stimulation and their interaction with task conditions. The difficulty of predicting noise effects was emphasized. Arousal theory was considered to have explanatory value in interpreting the findings of all the studies. Performance under noise was found to involve a psychophysiological cost, measured by vasoconstriction response, with the degree of response cost being related to scores on a noise annoyance sensitivity scale. Noise sensitive subjects showed a greater autonomic response under noise stimulation.
    Keywords: BIOTECHNOLOGY
    Type: NASA-CR-132469
    Format: application/pdf
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  • 3
    Publication Date: 2019-07-13
    Description: The planning, administration, description, and evaluation of the MSFC/Auburn U/U of Alabama research program are briefly outlined. Abstracts of fellows' research activities are included.
    Keywords: GENERAL
    Type: NASA-CR-61395 , Am. Soc. for Eng. Educ. and NASA; Jun 05, 1972 - Aug 11, 1972; Huntsville, AL; United States
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  • 4
    Publication Date: 2019-07-13
    Description: The 1972 Systems Engineering program at Marshall Space Flight Center where 15 participants representing 15 U.S. universities, 1 NASA/MSFC employee, and another specially assigned faculty member, participated in an 11-week program is discussed. The Fellows became acquainted with the philosophy of systems engineering, and as a training exercise, used this approach to produce a conceptional design for an Earth Resources Information Storage, Transformation, Analysis, and Retrieval System. The program was conducted in three phases; approximately 3 weeks were devoted to seminars, tours, and other presentations to subject the participants to technical and other aspects of the information management problem. The second phase, 5 weeks in length, consisted of evaluating alternative solutions to problems, effecting initial trade-offs and performing preliminary design studies and analyses. The last 3 weeks were occupied with final trade-off sessions, final design analyses and preparation of a final report and oral presentation.
    Keywords: GEOPHYSICS
    Type: NASA-CR-61394 , Jun 05, 1972 - Aug 18, 1972; Huntsville, AL; United States
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  • 5
    Publication Date: 2019-06-27
    Description: Research activities by participants in the fellowship program are documented, and include such topics as: (1) multispectral imagery for detecting southern pine beetle infestations; (2) trajectory optimization techniques for low thrust vehicles; (3) concentration characteristics of a fresnel solar strip reflection concentrator; (4) calaboration and reduction of video camera data; (5) fracture mechanics of Cer-Vit glass-ceramic; (6) space shuttle external propellant tank prelaunch heat transfer; (7) holographic interferometric fringes; and (8) atmospheric wind and stress profiles in a two-dimensional internal boundary layer.
    Keywords: PHYSICS (GENERAL)
    Type: NASA-CR-120336
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  • 6
    Publication Date: 2019-06-27
    Description: Research on chemical reactions, remote sensors, pollution, and transportation
    Keywords: GENERAL
    Type: NASA-CR-61396
    Format: application/pdf
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