922 resultados para logic formula
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Die wesentliche Aufgabe des Controllings besteht darin, dem Management aufbereitete Informationen zur Verfügung zu stellen. Die zu verarbeitenden Informationen liegen allerdings nicht immer in der gewünschten Genauigkeit vor. Trotz dieser Unschärfe muss eine Beschreibung stattfinden, um eine Entscheidungsfindung zu realsieren. Eine Möglichkeit ist der hier vorgestellte wissensbasierte Ansatz der Fuzzy Logic. Anhand von drei Controllinginstrumenten wird in der vorliegenden Arbeit das Anwendungspotential der Fuzzy Logic im Controlling bewertet.
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Remineralization of organic matter in reactive marine sediments releases nutrients and dissolved organic matter (DOM) into the ocean. Here we focused on the molecular-level characterization of DOM by high-resolution Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) in sediment pore waters and bottom waters from contrasting redox regimes in the northern Black Sea with particular emphasis on nitrogen-bearing compounds to derive an improved understanding of the molecular transformations involved in nitrogen release. The number of nitrogen-bearing molecules is generally higher in pore waters than in bottom waters. This suggests intensified degradation of nitrogen-bearing precursor molecules such as proteins in anoxic sediments: No significant difference was observed between sediments deposited under oxic vs anoxic conditions (average O/C ratios of 0.55) suggesting that the different organic matter quality induced by contrasting redox conditions does not impact protein diagenesis in the subseafloor. Compounds in the pore waters were on average larger, less oxygenated, and had a higher number of unsaturations. Applying a mathematical model, we could show that the assemblages of nitrogen-bearing molecular formulas are potential products of proteinaceous material that was transformed by the following reactions: (a) hydrolysis and deamination, both reducing the molecular size and nitrogen content of the products and intermediates; (b) oxidation and hydration of the intermediates; and (c) methylation and dehydration.
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Cover title.
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Mode of access: Internet.
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Mode of access: Internet.
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"October 20, 1954"
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Thesis (M.S.)--Universty of Illinois.
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Thesis (M. S.)--University of Illinois at Urbana-Champaign.
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Thesis (M.S.)--University of Illinois at Urbana-Champaign.
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"August 8, 1969."
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Originally presented as the author's thesis (M.S.), University of Illinois at Urbana-Champaign.
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Thesis--University of Illinois.
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Mode of access: Internet.