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  • 1
    Digitale Medien
    Digitale Medien
    A CHRISTIAN BASIS FOR ETHICS? (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Heythrop journal 15 (1974), S. 0 
    Details
    ISSN: 1468-2265
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Philosophie , Theologie und Religionswissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1468-2265.1974.tb00418.x
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  • 2
    Digitale Medien
    Digitale Medien
    A framework for the study of macronutrient intake in fish (2001)
    Oxford, UK : Blackwell Science Ltd
    Aquaculture research 32 (2001), S. 0 
    Details
    ISSN: 1365-2109
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: A good understanding of the capabilities of commercially reared fish species to regulate intake of specific macronutrients has potential economic, welfare and environmental benefits. We present a conceptual and experimental framework for studying macronutrient intake in fish. This ‘geometric’ approach addresses the multidimensional and interactive nature of nutrition. It was developed from work on insect herbivores and has successfully been applied to mammals and birds. The various components of the framework are introduced in simple outlines, and key experimental designs are described for assessing whether or not fish specifically regulate their intake of macronutrients, how they balance over-ingesting some nutrients against undereating others when provided with suboptimal diets, and how they regulate growth post-ingestively.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2109.2001.00593.x
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  • 3
    Digitale Medien
    Digitale Medien
    (η5-Cyclopentadienyl)(thiocyanato-N)bis(triphenylphosphine)ruthenium dichloromethane solvate (1992)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 48 (1992), S. 544-545 
    Details
    ISSN: 1600-5759
    Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1107/S010827019101106X
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  • 4
    Digitale Medien
    Digitale Medien
    2,2,6,6-Tetramethyl-4-oxopiperidinium hexafluorophosphate (1992)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 48 (1992), S. 1137-1138 
    Details
    ISSN: 1600-5759
    Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1107/S0108270191013252
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  • 5
    Digitale Medien
    Digitale Medien
    Structure of [1,3-bis(diphenylphosphino)propane](η5-cyclopentadienyl)hydridoruthenium(II) (1992)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 48 (1992), S. 1661-1663 
    Details
    ISSN: 1600-5759
    Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1107/S010827019200132X
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  • 6
    Digitale Medien
    Digitale Medien
    (tert-Butyl isocyano-C)(carbonyl)(η5-cyclopentadienyl)(triphenylphosphine-P)ruthenium(II) hexafluorophosphate (1993)
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 49 (1993), S. 1333-1335 
    Details
    ISSN: 1600-5759
    Quelle: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Thema: Chemie und Pharmazie , Geologie und Paläontologie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1107/S0108270193000733
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  • 7
    Digitale Medien
    Digitale Medien
    Feeding behaviour, sensory physiology and nutrient feedback: a unifying model (1996)
    Springer
    Entomologia experimentalis et applicata 80 (1996), S. 55-64 
    Details
    ISSN: 1570-7458
    Schlagwort(e): taste ; gustation ; chemoreception ; feeding behaviour ; nutrition ; insect ; locust ; caterpillar
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The design features of gustatory systems are considered in relation to the need for insect herbivores (or indeed any animal) to regulate their nutrient intake. The gustatory system (defined to include both peripheral and central components) should ideally be designed to reflect: (a) the average nutritional requirements of the insect during its various developmental stages; (b) the ‘predictably unpredictable’ variation in nutrient supply-demand which occurs about that average; and (c) the distribution and composition of foods available in the environment. A mathematical model is presented which makes detailed predictions regarding behavioural and electrophysiological responses to foods or simple solutions varying in nutrient content.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00194724
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  • 8
    Digitale Medien
    Digitale Medien
    Constructing nutrient budgets (1995)
    Springer
    Entomologia experimentalis et applicata 77 (1995), S. 99-104 
    Details
    ISSN: 1570-7458
    Schlagwort(e): nutrient budgets ; nutrient allocation ; life history
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract We present a formalised, yet flexible, scheme for classifying and symbolising the components of nutrient budgets. The scheme distinguishes hierarchically both among components of the ingesta and among the various sinks to which they are allocated. The primary terms in the budget are distinguished according to either methodological criteria (whether in a given time period they are retained by the animal or dissociated from the body) or functional criteria (whether they contribute to fitness). In both methodological and functional classifications, the primary terms of the budget may be progressively expanded to represent with increasing resolution nutrient allocation. The interplay between the various components of the ingesta and their subsequent allocation may be considered simultaneously using a two-dimensional nutritional matrix.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02383023
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  • 9
    Digitale Medien
    Digitale Medien
    Analysis of covariance: an alternative to nutritional indices (1992)
    Springer
    Entomologia experimentalis et applicata 62 (1992), S. 221-231 
    Details
    ISSN: 1570-7458
    Schlagwort(e): Nutritional indices ; ratios ; analysis of covariance ; statistics
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Some statistical problems are added to the growing list of cautionary tales regarding the use of the conventional, ratio-based nutritional indices (RCR, RGR, ECI, AD and ECD). Analysis of ratios is based on the, probably unrealistic, assumption of an isometric relationship between denominator and numerator variables. Analysis of covariance (ANCOVA) makes less restrictive assumptions, and additionally provides important information about the data which is lost by using ratio variables. We demonstrate, using computer-generated data sets, some of the pitfalls of statistical analysis of ratios and illustrate how these may be avoided using ANCOVA. Some possible consequences of such statistical iniquities for biological interpretations are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00353441
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  • 10
    Digitale Medien
    Digitale Medien
    Meeting nutrient requirements: the roles of power and efficiency (1996)
    Springer
    Entomologia experimentalis et applicata 80 (1996), S. 65-68 
    Details
    ISSN: 1570-7458
    Schlagwort(e): nutritional models ; nutrient budgets ; feeding patterns ; nutritional efficiency
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Conclusions We have attempted to illustrate the importance of nutrient transfer functions and their key quantitative parameters, power and efficiency. While this brief account has focused on one aspect of nutritional behaviour, the duration of intermeal intervals, the models are equally useful for understanding other components of feeding behaviour such as meal size and food switching. Like-wise, they provide a framework for formulating quantitative predictions about the dynamics of the physiological processes involved in digestion, absorption and the utilisation of food. These aspects are dealt with more fully elsewhere.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00194725
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