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  • Other Sources  (1,949)
  • ASTRONOMY  (1,188)
  • AEROSPACE MEDICINE  (761)
  • 1975-1979  (1,949)
  • 1
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    Medical care of spacecrews, (Medical care, equipment, and prophylaxis) (1975)
    In:  CASI
    Details
    Publication Date: 2009-11-17
    Description: Treatment and prevention of the physiologic problems of spacecrews are discussed. Preflight procedures, inflight monitoring and medication, and postflight examination are described. Specific factors covered include: medical screening and astronaut selection; health stabilization and exposure prevention; preflight medical examinations and training; biomedical data; medical kits; diagnosis and treatment; and implications of postflight findings.
    Keywords: AEROSPACE MEDICINE
    Type: NASA, Washington Found. of Space Biol. and Med., Vol. 3; p 345-371
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  • 2
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    Blood flow (1976)
    In:  CASI
    Details
    Publication Date: 2010-11-08
    Description: A heuristic treatment of blood flow in the heart and the aorta together with some of the main branches considers the effects of fluid viscosity and vessel elasticity as well as pressure distribution in the typical pulsating flow.
    Keywords: AEROSPACE MEDICINE
    Type: NASA. Ames Res. Center Collected Works of Robert T. Jones; p 975-998
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  • 3
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    Toward diffraction-limited seeing of dim astronomical objects from the Earth's surface using LIDAR (1977)
    In:  CASI
    Details
    Publication Date: 2005-02-28
    Keywords: ASTRONOMY
    Type: Res. in the Space Sci., Vol. 2, No. 1; 12 p
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  • 4
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    Bioelectric activity of skeletal muscle under conditions of alternating action of g-Forces and weightlessness (1975)
    In:  CASI
    Details
    Publication Date: 2009-11-16
    Description: The bioelectric activity of the musculature of animals and man was studied during alternating g-forces and weightlessness. The appropriate conditions were reproduced in flight along a parabolic curve; in this case, weightlessness lasting 25-30 sec alternated with g-forces of about 2 g magnitude. Quite regular changes in the bioelectric activity of various groups of muscles were disclosed under g-forces and in weightlessness. Thus, muscle biopotential amplitudes of 130-180 microvolt in horizontal flight, increased to 190-330 microvolt under g-forces. In the subsequent weightlessness, an abrupt reduction in oscillation voltage was observed and, in a number of cases, phenomena, similar to the picture of bioelectric silence were noted.
    Keywords: AEROSPACE MEDICINE
    Type: Weightlessness: Med. and Biol. Res. (NASA-TT-F-16105); p 239-245
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  • 5
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    Theory of orthodontic motions (1976)
    In:  CASI
    Details
    Publication Date: 2006-08-09
    Description: A general theory of orthodontic motion is developed that can be applied to determine the forces necessary to induce a given tooth to move to the predetermined desirable position. It is assumed that the natural (nonorthodontic) forces may be represented by a periodic function and the orthodontic forces may be superimposed upon the natural forces. A simple expression is derived for the applied stress.
    Keywords: AEROSPACE MEDICINE
    Type: NASA. Langley Res. Center Advan. in Eng. Sci., Vol. 1; p 103-110
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  • 6
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    Infrared astronomy and high energy astrophysics (1977)
    In:  CASI
    Details
    Publication Date: 2006-08-09
    Description: Observations of the diffuse far-infrared flux from the galactic plane, as well as far-infrared measurements of the properties of dense molecular clouds, when combined with recent high-energy gamma-ray measurements and radio observations of carbon monoxide, yield information about the total mass of molecular clouds, the large-scale structure of the inner galaxy, and the density of cosmic rays.
    Keywords: ASTRONOMY
    Type: The Struct. and Content of the Galaxy and Galactic Gamma Rays; p 203-214
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  • 7
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    Motor activity under weightless conditions (1975)
    In:  CASI
    Details
    Publication Date: 2006-05-09
    Description: The material presented on the motor activity under weightless conditions (brief and long) leads to the conclusion that it is not significantly disrupted, if those being examined are secured at the workplaces. Some discoordination of movement, moderately expressed disruption of the precision of reproduction of assigned muscular forces, etc., were observed. Motor disorders decrease significantly in proportion to the length of stay under weightless conditions. This apparently takes place, as a consequence of formation of a new functional system, adequate to the conditions of weightlessness. Tests on intact and labyrinthectomized animals have demonstrated that signaling from the inner ear receptors is superfluous in weightlessness, since it promotes the onset of disruptions in the combined work of the position analyzers.
    Keywords: AEROSPACE MEDICINE
    Type: Weightlessness: Med. and Biol. Res. (NASA-TT-F-16105); p 245-265
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  • 8
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    Methods of body orientation in space in the absence of support under weightless conditions (1975)
    In:  CASI
    Details
    Publication Date: 2006-05-09
    Description: The experience accumulated in training subjects in methods of body orientation in space indicates the necessity of clear planning of the training process. After theoretical familiarization with the principles of body orientation in space and reviewing training films, practical mastery of the body orientation methods begins with working out of the individual elements on the Zhukovskiy stool. Then, the correctness and sequence of movements are carefully mastered in water, and the motor skills are then reinforced under time deficit conditions, on the vaulting bars, trampolines, and, in the concluding stage of training, the methods of orienting the body in space in weightlessness are worked out in laboratory-aircraft, with and without the spacesuit and with and without a load.
    Keywords: AEROSPACE MEDICINE
    Type: Weightlessness: Med. and Biol. Res. (NASA-TT-F-16105); p 216-228
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  • 9
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    A study of the cosmic sources of hard X-rays (1976)
    In:  CASI
    Details
    Publication Date: 2006-04-18
    Description: An actively-shielded, high-energy X-ray telescope was launched onboard OSO-8 on 21 June 1975. The primary objectives of this experiment are the measurements of the energy spectrum of discrete cosmic X-ray sources in the range 20 keV to 3 MeV and of the temporal variations in the intensity of each source detected with a time resolution of 0.3 msec. This detector provides the highest duty factor and the finest time resolution of any of its kind for observations over a period of up to 10 days. The background spectrum of this detector in orbit was monitored continuously since shortly after launch. The minimum detectable source strength is estimated to be between 10,000 and 100,000 photons/sq-cm-sec keV, limited primary by the effects of induced radioactivity. From 16 July through 18 July 1975, the X-ray binary, Cen X-3, was observed with the hard X-ray telescope.
    Keywords: ASTRONOMY
    Type: X-ray Binaries; p 739-746
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  • 10
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    Simultaneous X-ray and optical observations of X Persei (1976)
    In:  CASI
    Details
    Publication Date: 2006-04-18
    Description: Photoelectric photometry of X Persei was obtained on five out of seven consective nights in January 1975, from the Lick and Leuschner Observatories. The observations yield B = 6.848 + or - 0.002, B-V = 0.139 + or - 0.001, with no strong evidence for variability during the observing run. These are the faintest and bluest photoelectric magnitudes and colors ever reported for X Per; this change apparently occured relatively uniformly during 1973-74 and is reminiscent of behavior last observed in approximately 1900. The suggested association of X Persei with the weak X-ray source 3U 0352+30 raises the possibility of detection of X-ray/optical covariability. On January 21, 1975, 7 hours of data were obtained from both observatories simulataneous with OAO Copernicus X-ray observations of 3U 0352+30. The X-ray data varied during this period by a factor of two, but there is no obviously correspondent optical activity, to a level of 0.02 mag. The optical data are also used to limit to 0.01 mag variations coincident with the X-ray periodicity.
    Keywords: ASTRONOMY
    Type: NASA. Goddard Space Flight Center X-ray Binaries; p 719-726
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