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  • 1
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    De opmars van de wespenspin Argiope bruennichi in Nederland (Araneae: Araneidae) (2000)
    In:  Nederlandse Faunistische Mededelingen (01692453) vol.11 (2000) p.45
    Details
    Publication Date: 2007-01-10
    Description: The expansion of the range of the spider Argiope bruennichi in the Netherlands (Araneae: Araneidae) Argiope bruennichi (Scopoli, 1772) is one of the biggest and most colourful spiders in Europe and therefore easy to recognise, even by non-specialists. The species has expanded its range in Germany and Belgium for several decades now and reached the south of The Netherlands in 1980. After the discovery of the first female in the south of the province of Limburg more specimens were found in this region in subsequent years. Later the species was discovered near Herkenbosch, about 30 kilometres to the north. Over the last years the expansion continued rapidly and now almost 300 records are brought together. The species has become widespread in the southern and eastern part of The Netherlands. In 1995 a leap of some 70 kilometres was made, from Limburg to the southern parts of the Veluwe. The years 1998 and 1999 were very good for Argiope, both with over 80 records per year. It is suggested that this expansion is related to the warm and sunny summers in the nineties.
    Keywords: Arthropoda ; Araneae ; Araneidae ; Argiope bruennichi ; Wespenspin ; Wespspin ; Tijgerspin ; Nederland ; Verspreiding ; Biotopen ; Uitbreiding ; Fenologie ; 42.75
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
    Format: application/pdf
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    PAPER (OA)
  • 2
    Electronic Resource
    Electronic Resource
    Characterization of High-Temperature Oxide Films on Stainless Steels by Electrochemical-Impedance Spectroscopy (1998)
    Springer
    Oxidation of metals 50 (1998), S. 431-455 
    Details
    ISSN: 1573-4889
    Keywords: ELECTROCHEMICAL-IMPEDANCE SPECTROSCOPY ; ELECTRICAL PROPERTIES ; OXIDE FILMS ; DEFECTS ; STAINLESS STEELS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Oxide films formed on three stainless steels(UNS S30403; S44600; S30815) in air at 800°C werecharacterized by electrochemical-impedance spectroscopy(EIS). The film evolution vs. oxidation time wasinvestigated from 1 to 1000 hr. A three-electrodeelectrochemical cell and 0.1 MNa2SO4 solution were employed forEIS measurements. The spectra were interpreted in termsof a two-layer model of the films, where the capacitance and resistance obtained can berelated to the thickness (or roughness) anddefectiveness of the films. The results reveal that theoxide on S30403 grows and becomes defective, the oxideon S44600 thickens rapidly and retains its protectiveability for a relatively long time, and the oxide onS30815 remains thin and resistive. The two-layer modelis supported by surface characterization with SEM/EDS and in-depth profile of the oxide filmsobtained through glow discharge optical emissionspectroscopy (GDOES).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018856808917
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    Paper (German National Licenses)
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