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  • 1
    Electronic Resource
    Electronic Resource
    Reflecting Brownian motions: Quasimartingales and strong Caccioppoli sets (1993)
    Springer
    Potential analysis 2 (1993), S. 219-243 
    Details
    ISSN: 1572-929X
    Keywords: Primary 60J65 ; secondary 60J60, 60J55, 49Q15, 31C25 ; Brownian motion ; reflecting symmetric diffusion ; Dirichlet form ; Caccioppoli set ; set of finite perimeter ; quasimartingale ; Skorokhod decomposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract A notion ofstrong Caccioppoli set is defined for bounded Euclidean domains. It is shown that stationary (normally) reflecting Brownian motion on the closure of a bounded Euclidean domain is a quasimartingale on each compact time interval if and only if the domain is a strong Caccioppoli set. A similar result is shown to hold for symmetric reflecting diffusion processes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01048506
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    Paper (German National Licenses)
    Fulltext
  • 2
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    System Controls and Measures Oxygen Fugacity (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: System developed at Johnson Space Center controls and measures oxygen fugacity in high-temperature chemical research. A ceramic-electrolyte cell is the sensing element. All hardware needed to control gas flow and temperature and to measure cell electromotive force is included. An analytic balance allows in situ thermogravimetric sample analysis.
    Keywords: MATERIALS
    Type: MSC-20096 , NASA Tech Briefs (ISSN 0145-319X); 6; 2; P. 163
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Electrolyte cells measure oxygen fugacities (1977)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: System that uses calcia-stabilized zirconia-ceramic electrolyte in oxygen concentration cell can directly measure oxygen fugacity in vertical-quench furnace, redox-control system. System can independently vary temperature and oxygen fugacity during experiments, and can record these parameters as function of time.
    Keywords: MATERIALS
    Type: MSC-16089 , NASA Tech Briefs (ISSN 0145-319X); 1; 4; P. 581
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Using permeable membranes to produce hydrogen and oxygen from water (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Concept may make it profitable to obtain hydrogen fuel from water. Laboratory tests have demonstrated that method enables decomposition of water several orders of magnitude beyond equilibrium state where only small amounts of free hydrogen are present.
    Keywords: MATERIALS
    Type: MSC-12600
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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