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  • 1980-1984  (2)
  • Petri net classes  (1)
  • Skinned coronary arteries  (1)
  • Ca^2^+ channel
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Computing 31 (1983), S. 141-148 
    ISSN: 1436-5057
    Keywords: 68C01 ; Petri net classes ; synchronization problem ; simulation rules
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung In diesem Beitrag greifen wir ein Problem aus [1] auf, nämlich die Frage, ob PNlog-Netze Synchronisationsprobleme zu lösen gestatten, die, unter Einhaltung bestimmter Simulationsregeln, mit gewöhnlichen Petri-Netzen nicht lösbar sind. Wir zeigen, daß eine geringfügige und sinnvolle Verschärfung der in [1] präzisierten Simulationsregeln ausreicht, um die aufgeworfene Frage im positiven Sinne beantworten zu können. Wie in der Einleitung näher begründet wird, lösen wir damit auch teilweise das ursprüngliche Problem.
    Notes: Abstract In this article we pick up a problem stated in [1], namely the question whether PNlog-nets allow to solve synchronization problems not solvable by ordinary Petri nets under certain simulation rules. We show that a slight and reasonable strengthening of the simulation rules defined in [1] enables us to answer the raised question in the positive. As will be pointed out in the introduction, with this result we “partially” solve the original problem.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 401 (1984), S. 277-280 
    ISSN: 1432-2013
    Keywords: cGMP ; cAMP ; Skinned coronary arteries
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of physiological concentrations of cGMP and cAMP on tension development in skinned coronary arteries (Triton X-100) were studied. cGMP inhibited tension elicited at intermediate Ca2+ concentrations at pH 7.0 but not at more acidic or alkaline pH values. cAMP, on the other hand, decreased submaximal tension development independent of pH (from pH 6.5 to pH 7.2). Neither nucleotide affected tension development at maximally activating Ca2+ concentrations.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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