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  • Articles  (20)
  • Articles: DFG German National Licenses  (20)
  • Springer  (16)
  • Annual Reviews  (2)
  • Blackwell Publishers Ltd.  (2)
  • 2005-2009
  • 2000-2004  (11)
  • 1920-1924  (1)
  • 1905-1909  (8)
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  • Articles  (20)
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  • 1
    Electronic Resource
    Electronic Resource
    Inter-organizational Collaboration and the Dynamics of Institutional Fields (2000)
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd.
    Journal of management studies 37 (2000), S. 0 
    Details
    ISSN: 1467-6486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: While many aspects of the collaborative process have been discussed in the management literature, the connection between collaboration and the dynamics of institutional fields has remained largely unconsidered. Yet, collaboration is an important arena for inter–organizational interaction and, therefore, a potentially important context for the process of structuration upon which institutional fields depend. In this paper, we argue that institutionalization and collaboration are interdependent; institutional fields provide the rules and resources upon which collaboration is constructed, while collaboration provides a context for the ongoing processes of structuration that sustain the institutional fields of the participants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1467-6486.00171
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  • 2
    Electronic Resource
    Electronic Resource
    Orchestral Manoeuvres in the Dark: Understanding Failure in Organizational Strategizing* (2003)
    108 Cowley Road, Oxford OX4 1JF, UK : Blackwell Publishers Ltd.
    Journal of management studies 40 (2003), S. 0 
    Details
    ISSN: 1467-6486
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1467-6486.t01-2-00006
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  • 3
    Electronic Resource
    Electronic Resource
    HUMAN NONSYNDROMIC SENSORINEURAL DEAFNESS* (2003)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Genomics and Human Genetics 4 (2003), S. 341-402 
    Details
    ISSN: 1527-8204
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Notes: Given the unique biological requirements of sound transduction and the selective advantage conferred upon a species capable of sensitive sound detection, it is not surprising that up to 1% of the approximately 30,000 or more human genes are necessary for hearing. There are hundreds of monogenic disorders for which hearing loss is one manifestation of a syndrome or the only disorder and therefore is nonsyndromic. Herein we review the supporting evidence for identifying over 30 genes for dominantly and recessively inherited, nonsyndromic, sensorineural deafness. The state of knowledge concerning their biological roles is discussed in the context of the controversies within an evolving understanding of the intricate molecular machinery of the inner ear.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.genom.4.070802.110347
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  • 4
    Electronic Resource
    Electronic Resource
    HUMAN NONSYNDROMIC SENSORINEURAL DEAFNESS* (2003)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Genomics and Human Genetics 4 (2003), S. 341-402 
    Details
    ISSN: 1527-8204
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Notes: Given the unique biological requirements of sound transduction and the selective advantage conferred upon a species capable of sensitive sound detection, it is not surprising that up to 1% of the approximately 30,000 or more human genes are necessary for hearing. There are hundreds of monogenic disorders for which hearing loss is one manifestation of a syndrome or the only disorder and therefore is nonsyndromic. Herein we review the supporting evidence for identifying over 30 genes for dominantly and recessively inherited, nonsyndromic, sensorineural deafness. The state of knowledge concerning their biological roles is discussed in the context of the controversies within an evolving understanding of the intricate molecular machinery of the inner ear.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.genom.4.070802.110347
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  • 5
    Electronic Resource
    Electronic Resource
    Seed dispersal and movement patterns in two species of Ceratogymna hornbills in a West African tropical lowland forest (2000)
    Springer
    Oecologia 125 (2000), S. 249-257 
    Details
    ISSN: 1432-1939
    Keywords: Seed dispersal Seed shadow Hornbills Telemetry Tropical frugivory
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. We studied two species of Ceratogymna hornbills, the black-casqued hornbill, C. atrata, and the white-thighed hornbill, C. cylindricus, in the tropical forests of Cameroon, to understand their movement patterns and evaluate their effectiveness as seed dispersers. To estimate hornbill contribution to a particular tree species' seed shadow we combined data from movements, determined by radio-tracking, with data from seed passage trials. For 13 individuals tracked over 12 months, home range varied between 925 and 4,472 ha, a much larger area than reported for other African avian frugivores. Seed passage times ranged from 51 to 765 min, with C. atrata showing longer passage times than C. cylindricus, and larger seeds having longer gut retention times than smaller seeds. Combining these data, we estimated that seed shadows were extensive for the eight tree species examined, with approximately 80% of seeds moved more than 500 m from the parent plant. Maximum estimated dispersal distances for larger seeds were 6,919 and 3,558 m for C. atrata and C. cylindricus, respectively. The extent of hornbill seed shadows suggests that their influence in determining forest structure will likely increase as other larger mammalian dispersers are exterminated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004420000445
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  • 6
    Electronic Resource
    Electronic Resource
    A Soft Computing Approach to Road Classification (2000)
    Springer
    Journal of intelligent and robotic systems 29 (2000), S. 349-387 
    Details
    ISSN: 1573-0409
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Current learning approaches to computer vision have mainly focussed on low-level image processing and object recognition, while tending to ignore high-level processing such as understanding. Here we propose an approach to object recognition that facilitates the transition from recognition to understanding. The proposed approach embraces the synergistic spirit of soft computing, exploiting the global search powers of genetic programming to determine fuzzy probabilistic models. It begins by segmenting the images into regions using standard image processing approaches, which are subsequently classified using a discovered fuzzy Cartesian granule feature classifier. Understanding is made possible through the transparent and succinct nature of the discovered models. The recognition of roads in images is taken as an illustrative problem in the vision domain. The discovered fuzzy models while providing high levels of accuracy (97%), also provide understanding of the problem domain through the transparency of the learnt models. The learning step in the proposed approach is compared with other techniques such as decision trees, naïve Bayes and neural networks using a variety of performance criteria such as accuracy, understandability and efficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008158907779
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  • 7
    Electronic Resource
    Electronic Resource
    New ways of determining structural groups in brown coals and their bioconversion products by FT IR spectroscopy (2000)
    Springer
    Applied microbiology and biotechnology 54 (2000), S. 681-685 
    Details
    ISSN: 1432-0614
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract New methods of determining the structural groups —COOH and —CH2— have been developed. The investigation of carboxyl groups is possible both after derivatization with p-fluorophenacylbromide and by quantitative interpretation of the Fourier transform infrared (FT IR) spectra. There exists a linear relationship between the results of these two methods that is generally valid for the analysis of all brown coal components. The maximum extinction coefficient of the symmetric stretching vibration band of the CH2 groups has been determined using model substances. This allows quantification of this structural group directly from the FT IR spectrum. The results agree with the contents of methylene groups as determined by 13C-cross polarization–magic angle spinning–nuclear magnetic resonance (13C CPMAS NMR) spectroscopy. Using these methods, the COOH and CH2 groups contained in brown coals of the North Rhine region and in their bioconversion products have been quantified.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002530000419
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  • 8
    Electronic Resource
    Electronic Resource
    The Physical Tourist¶Scientific Travels in the Irish Countryside (2000)
    Springer
    Physics in perspective 2 (2000), S. 313-326 
    Details
    ISSN: 1422-6960
    Keywords: Key words. History of science; Ireland; Rosse Telescope; St. Patrick's College; Birr Demense; Irish National Museum (Galway); Giant's Causeway.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. Newly-prosperous Ireland has a number of sites which the scientific traveller can visit. There are apparatus museums at Birr and Maynooth, and a collection of early apparatus at the physics department of the Irish National University in Galway. The main attraction at Birr is the Rosse Telescope, with its 6-ft diameter speculum, built in the 1840s, and recently refurbished. Travellers to Northern Ireland can see applied geology at the Giant's Causeway.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s000160050048
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  • 9
    Electronic Resource
    Electronic Resource
    Die Wirkungen der totalen Leberexstirpation (1924)
    Springer
    Reviews of physiology, biochemistry and pharmacology 23 (1924), S. 212-273 
    Details
    ISSN: 1617-5786
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Zusammenfassung Kurz zusammengefasst sind die wichtigsten, hier niedergelegten Tatsachen folgende: Es wurde eine Methode für die totale Entfernung der Leber bei Hunden ausgebildet, welche frei von den meisten Fehlerquellen ist, die früheren Exstirpationsmethoden des Organs bei Säugetieren anhaften. Es wurde gefunden, dass eine geeignete Einführung von Glukose bei derart operierten Hunden das Leben viele Stunden nach Verlust des gesamten Lebergewebes erhält. Von den vielen an hepatektomierten Tieren gemachten Beobachtungen möchten wir hervorheben, 1. dass die Leber zur Erhaltung des Blutzuckerspiegels absolut wesentlich ist; 2. dass die Leber der wichtigste Faktor, wenn nicht der einzige, bei dem Prozess der Desamidierung und der Harnstoffbildung ist, und 3. dass Bilirubin auch ohne Mitwirkung der Leber gebildet werden kann.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01924578
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  • 10
    Electronic Resource
    Electronic Resource
    Distribution and Variability of Surface Soil Properties at a Regional Scale (2000)
    Springer
    Soil Science Society of America journal 64 (2000), S. 974-982 
    Details
    ISSN: 1435-0661
    Keywords: MBC, microbial biomass carbon MEP, Mehlich extractable phosphorus MLRA, Major Land Resource Areas MWD, mean-weight diameter NRCS, Natural Resources Conservation Service NRI, National Resource Inventory PMN, potentially mineralizable nitrogen PSU, primary sampling units TOC, total organic carbon WSA, water stable aggregates
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: e transformation resulted in normal distributions for most soil properties and reduced variability two- to threefold. However, a few soil properties remained non-normally distributed. Soil pH may be monitored at the regional scale with a high degree of precision. Small changes in soil C content (3–8% of the regional mean) may be detected using loge transformed total organic C as the indicator. Sampling soil properties as part of the NRI should improve NRCS' ability to monitor soil condition on a regional scale.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/
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