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Sustainability and Substitutability
Bulletin of Mathematical Biology, 2014Developing a quantitative science of sustainability requires bridging mathematical concepts from fields contributing to sustainability science. The concept of substitutability is central to sustainability but is defined differently by different fields.
Fenichel, Eli P., Zhao, Jinhua
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Substituting a substitute currency
International Review of Economics & Finance, 2008Abstract This study evaluates the dynamics between the dollar and euro balances in the Estonian economy. The focus is to apply the traditional currency substitution model to the substitution of the substitute currency, the dollar and euro-related foreign currency balances.
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Asymmetric Lithiation—Substitution Sequences of Substituted Allylamines.
ChemInform, 2005AbstractFor Abstract see ChemInform Abstract in Full Text.
Dwight D, Kim +2 more
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European Journal of Pediatrics, 1979
A mixture of synthetic phospholipids containing 90% Dipalmitoylphosphatidylcholine and 10% Dipalmitoylphosphatidylglycerol was tested for its suitability as surfactant substitute. Different methods of preparation were employed. The substance was studied by chromatography, Wilhelmy balance, and in rabbits after tracheal instillation during mechanical ...
M, Obladen, F, Brendlein, B, Krempien
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A mixture of synthetic phospholipids containing 90% Dipalmitoylphosphatidylcholine and 10% Dipalmitoylphosphatidylglycerol was tested for its suitability as surfactant substitute. Different methods of preparation were employed. The substance was studied by chromatography, Wilhelmy balance, and in rabbits after tracheal instillation during mechanical ...
M, Obladen, F, Brendlein, B, Krempien
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Logic Journal of IGPL, 2004
Substitution has widely appeared in most areas of mathematics, from algebra to logic to computer science. In this paper, an axiomatization for the concept of substitution is given. Typical models for the substitution are taken to be two-sorted structures whose elements are either of sort \textbf{variable} or of sort \textbf{term}, with a primitive ...
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Substitution has widely appeared in most areas of mathematics, from algebra to logic to computer science. In this paper, an axiomatization for the concept of substitution is given. Typical models for the substitution are taken to be two-sorted structures whose elements are either of sort \textbf{variable} or of sort \textbf{term}, with a primitive ...
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