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  • 1
    Series available for loan
    Series available for loan
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Call number: SR 90.0001(1929)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: III, 35 S.
    Series Statement: U.S. Geological Survey bulletin 1929
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Washington, DC : Carnegie Inst. of Washington
    Call number: G 5843
    Type of Medium: Monograph available for loan
    Pages: XI, 56 S. : graph. Darst.
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Earth and Planetary Sciences 11 (1983), S. 461-494 
    ISSN: 0084-6597
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-0794
    Keywords: Comets ; small ; search program ; planets
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Arguments are presented for a substantial, unexplored population of comets with radii less than 1 km. Known examples confirm this population and extrapolation of any plausible size-distribution function indicates large numbers. However, their accurate numbers, orbital characteristics, and physical properties are unknown. Thus, even though the small comets may be the most frequent cometary bodies impacting the planets, a quantitative evaluation is not currently possible. We advocate an optimized, dedicated search program to characterize this population.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 30 (1979), S. 456-467 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Description / Table of Contents: Zusammenfassung Es wird anhand eines Beispiels gezeigt, dass das Kollapsproblem für ideal starrplastisches Verhalten keine vollständige Lösung zu besitzen braucht, falls hinreichend starke kinematische Bindungen einen mit den Spannungen verträglichen Bewegungszustand ausschliessen. Bei einem anderen Beispiel ergibt sich, dass die Belastung zeitabhängig sein muss. Die bisherige Theorie beruht auf der Voraussetzung, dass vollständige Lösungen existieren, und dass die Belastung während des Kollapses konstant bleibt. Um die oben erwähnten Beispiele mit der bestehenden Theorie in Einklang zu bringen, wird ein Modelleingeführt, in dem der statisch zulässige Bereich des Belastungsraums von aussen durch eine Fläche abgegrenzt ist. Diese Fläche wird ‘Schrankenfläche der der Belastungsinteraktion’ genannt. Die Fläche reduziert sich zur Fliessfläche im Belastungsraum, falls diese Fliessfläche existiert. Die Eigenschaften der Schrankenfläche einschliesslich ihrer Konvexität und Stetigkeit, werden besprochen.
    Notes: Summary It is shown by example that the collapse problem of rigid-perfect plasticity need not have a complete solution if sufficient kinematic constraints are present so that no failure mode is possible. An example is also produced of a collapse solution where it is necessary that the load be time variable. The established theory is based upon the assumption of existence of complete solutions and the restriction of fixed loads during collapse. To accommodate these features, a model is introduced in which the statically admissible region of load space is bounded externally by a surface termed the ultimate load interaction surface. This surface is identical to the yield point interaction surface wherever the latter exists. Properties including convexity and continuity are established.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 280 (1979), S. 738-743 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VOLCANIC plumes observed on lo by Voyager 1 reach heights between 70 and 280km1'2, implying vent ejection velocities ranging from several hundreds of metres to nearly a thousand metres per second (Table 1). At least eight vents were active at the time of Voyager 1 encounter and both recent and ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 280 (1979), S. 743-746 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VARIOUS clues suggest that aerodynamics play a role in the volcanic plumes on ?? which were revealed by the cameras on Voyager I1. These are: (1) the formation of a more or less circular ring or double ring about the vent, the region of the ring being a bland one obviously covered over by frost or ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 275 (1978), S. 346-346 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SHOEMAKER REPLIES-Induced suction1 is a consequence of the combination of two conditions being satisfied by the subduction process: first, that the fluids or materials above and below the subducting plate have different densities and second, that the subducting plate bends beneath the overriding ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 272 (1978), S. 241-242 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A well known principle of fluid statics is that an object of arbitrary shape immersed in a fluid at rest has zero net horizontal force exerted on it by the fluid, and this is true if the fluid density depends on vertical position. It is not true, in general, if the density is horizontally dependent ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Archive for rational mechanics and analysis 14 (1963), S. 283-300 
    ISSN: 1432-0673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract A reformulation is made of the classical von Mises theory of plane strain rigid-perfect plasticity. The adoption of an anisotropic piecewise linear yield criterion results in two sets of field equations, each equivalent to the classical vibrating string equation. The development of the theory is routine. Certain properties of discontinuous stress and velocity fields are discussed, but the complete development of this aspect of the theory is not given here. By way of example, the complete solution of the classical rigid punch problem is presented.
    Type of Medium: Electronic Resource
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