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  • INORGANIC AND PHYSICAL CHEMISTRY  (1)
  • stability  (1)
  • 1990-1994  (2)
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  • 1990-1994  (2)
Year
  • 1
    Electronic Resource
    Electronic Resource
    The index of lyapunov stable fixed points in two dimensions (1994)
    Springer
    Journal of dynamics and differential equations 6 (1994), S. 631-637 
    Details
    ISSN: 1572-9222
    Keywords: stability ; fixed point index ; periodic solutions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract In this paper, we prove that a stable isolated fixed point of an orientation preserving local homeomorphism onR 2 has fixed point index 1. We also give a number of applications to differential equations. In particular, we deduce that a number of existence methods for producing periodic solutions of differential equations in the plane always produce unstable solutions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02218851
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    Cold plasma processing of local planetary ores for oxygen and metallurgically important metals (1991)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The utilization of a cold or nonequilibrium plasma in chlorination processing is discussed. Titanium dioxide (TiO2) was successfully chlorinated at temperatures between 700 and 900 C without the aid of carbon. In addition to these initial experiments, a technique was developed for determining the temperature of a specimen in a plasma. Development of that technique has required evaluating the emissivity of TiO2, ZrO2, and FeOTiO2 and analyzing the specimen temperature in a plasma as a function of both power absorbed by the plasma and the pressure of the plasma. The mass spectrometer was also calibrated with TiCl4 and CCl4 vapor.
    Keywords: INORGANIC AND PHYSICAL CHEMISTRY
    Type: NASA Space Engineering Research Center for Utilization of Local Planetary Resources; 16 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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