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  • Other Sources  (11)
  • 1990-1994
  • 1980-1984
  • 1970-1974  (11)
  • 1950-1954
  • 1940-1944
  • 1973  (11)
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  • 1990-1994
  • 1980-1984
  • 1970-1974  (11)
  • 1950-1954
  • 1940-1944
Year
  • 1
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    Mariner 9 areographic coordinate system. (1973)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The basic elements of the physical ephemeris of Mars are reexamined, and the new values adopted for the Mariner 9 mapping are specified, in particular, for the direction of the spin axis and the first meridian.
    Keywords: SPACE SCIENCES
    Type: Journal of Geophysical Research; 78; July 10
    Format: text
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  • 2
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    Extended extragalactic radio sources. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: The most important feature of the extended sources is the double structure characterized in an ideal model by two extended radio-emitting regions situated symmetrically about the nucleus of an optical galaxy or QSO, with a characteristic overall size of about 100 kpc. Not all extended radio sources show this double structure. It has been found that at moderate resolutions about 20% of the well-resolved sources have a core-halo structure. Theoretical proposals for the containment of extended double sources have so far relied either upon self-gravitation of the ejected material or upon assuming the existence of a gaseous intergalactic medium. The advantages and the problems of a model proposed by Burbidge (1967) are discussed, together with the nuclear event serving to release the energy required to make an extended radio source.
    Keywords: SPACE SCIENCES
    Type: Comments on Modern Physics; vol. 5
    Format: text
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  • 3
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    On optimal modeling of systems. (1973)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Description: A procedure for modeling a linear system by an optimal finite-dimensional approximation is developed on the basis of Sard's (1967) generalized spline. Error bounds are given, and the application of the procedure is illustrated by two presented examples. The procedure may be employed, not only in the modeling of conventional lumped-parameter and distributed-parameter continuous dynamical systems, but also in mathematical operations such as those involved in pattern recognition and picture enhancement problems.
    Keywords: MATHEMATICS
    Type: Journal of Optimization Theory and Applications; 11; Jan. 197
    Format: text
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  • 4
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    The pathology of isolation and inactivation of monkeys (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Keywords: BIOSCIENCES
    Format: text
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  • 5
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    On the mechanism of formation of loop prominences (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: A mechanism is suggested for the formation of loop-type prominences in solar-active regions following flare events. The mechanism is based on the already existing idea of compression of a coronal plasma element resulting in enhanced radiation and consequent cooling of the element. A model is suggested for such a compression based on the concept of a contracting, force-free filamentary structure. If the current in a filament increases with time, then there is a radial contraction of the filament. Since the coronal plasma is frozen into the magnetic field lines of the filament, a contraction of the filament causes a compression of the filamentary plasma. This model of compression is shown to be in approximate qualitative and quantitative agreement with observations.
    Keywords: SPACE RADIATION
    Type: Solar Physics; 31; Aug. 197
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  • 6
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    The behavior of xenon when used as a fill-gas in a silicon germanium radioisotope thermoelectric generator. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Keywords: NUCLEAR ENGINEERING
    Type: Intersociety Energy Conversion Engineering Conference; Aug 13, 1973 - Aug 16, 1973; Philadelphia, PA
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  • 7
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    The pathology of innactivation in monkeys. (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Progress report on a long-term experiment using rhesus monkeys and designed to study the effects of isolation up to one year, as well as the effects of bed rest simulated by immobilization in a plaster cast for six months. The investigation includes histopathological and histochemical studies of these effects on various internal organs and tissues, and some of the preliminary results of these studies are presented and discussed.
    Keywords: BIOSCIENCES
    Type: Plenary Meeting on The near ultraviolet spectrum of early type stars obtained with S 59; May 23, 1973 - Jun 05, 1973; Konstanz; Germany
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  • 8
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    Equilibrium condensation in a solar nebula (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: In attempts to reconstruct the environment of condensation of solar system materials, particularly exemplified by certain meteorite components, the relative temperatures of the gas and the solid are of critical importance. The relationships that determine the heat balance in a circumsolar grain-gas system are examined. Fundamental considerations show that regardless of opacity or gas density, the gas will always be at a higher temperature than the solid in such regions of the system where condensation is possible. Implications of the characteristic temperature differential between the gas and the condensing solid are discussed.
    Keywords: SPACE SCIENCES
    Type: Meteorities; 8; Dec. 31
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  • 9
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    Drug effects on neuroendocrine regulation; Proceedings of the International Symposium, Snowmass-at-Aspen, Colo., July 17-19, 1972 (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Subjects related to the characterization of neuroendocrine systems are discussed, taking into account the need for the precise identification and rigorous description of their operations. Steroid effects on neuroendocrine system performance are considered along with biogenic amine effects on neuroendocrine systems and the influence of drugs of abuse on neuroendocrine behavior. Other topics explored include pituitary-adrenal influences on avoidance and approach behavior of the rat, the adrenocortical mediation of the effects of early life experiences, and the implication of noradrenaline in avoidance learning in the rat. Individual items are announced in this issue.
    Keywords: BIOSCIENCES
    Type: International Symposium of the Drug Effects on Neuroendocrine Regulation; Jul 17, 1972 - Jul 19, 1972; Snowmass-at-Aspen, CO; US
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  • 10
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    Interstellar dust and related topics; Proceedings of the Symposium, State University of New York, Albany, N.Y., May 29-June 2, 1972 (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Theoretical studies and observations of interstellar dust are described in papers dealing with the passive properties of dust grains, their physical and chemical activities in the interstellar medium, and their interactions in association with stars. The papers are grouped according to the principal topics of (1) extinction and polarization, (2) diffuse interstellar features, (3) dust around and in close association with stars, (4) reflection nebulae and other aspects of dust scattering properties, (5) alignment mechanisms, (6) distribution of molecules and processes of molecule formation, (7) radiation effects on dust, (8) physical and chemical interactions of dust with the ambient medium, and (9) gas and dust in H II regions. Individual items are announced in this issue.
    Keywords: SPACE SCIENCES
    Type: Symposium on Interstellar Dust and Related Topics; May 29, 1972 - Jun 02, 1972; Albany, NY; US
    Format: text
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