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  • Mixed-integer programming  (1)
  • culture of cardiomyocytes  (1)
  • 2010-2014
  • 2005-2009
  • 1975-1979  (2)
  • 1950-1954
  • 1
    Electronic Resource
    Electronic Resource
    Integer and mixed-integer programming models: General properties (1975)
    Springer
    Journal of optimization theory and applications 16 (1975), S. 191-206 
    Details
    ISSN: 1573-2878
    Keywords: Mixed-integer programming ; integer programming ; fixed-charge problems ; piecewise-linear functions ; modeling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract It is well known that mixed-integer formulations can be used tomodel important classes of nonconvex functions, such as fixed-charge functions and linear economy-of-scale cost functions. The purpose of this paper is to formulate a rigorous definition of a mixed-integer model of a given function and to study the properties of the functions that can be so modelled. An interesting byproduct of this approach is the identification of a simple class of functions that cannot be modelled by computer-representable mixed-integer formulations, even though mixed-integer models based on the use of a single arbitrary irrational constant are available for this class.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01262932
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  • 2
    Electronic Resource
    Electronic Resource
    Ultrastructural and morphometric study of rat heart muscle cells in culture (1979)
    Springer
    Bulletin of experimental biology and medicine 88 (1979), S. 1222-1224 
    Details
    ISSN: 1573-8221
    Keywords: morphometry ; rat cardiomyocytes ; culture of cardiomyocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract An ultrastructural and morphometric investigation was made of cells from the right and left ventricles of young rats 4 days old during culture for 7 days, in order to study the morphological and stereological parameters of the mitochondria and myofibrils. The results of the morphometric measurements revealed the periodic character of structural changes in the mitochondria and myofibrils. The changes discovered must be regarded not as structural differentiation of the cells but rather as adaptation to the conditions of culture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00838214
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