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  • 1
    Electronic Resource
    Electronic Resource
    Tube-building behavior in Grandidierella, and two species of Cerapus (1991)
    Springer
    Hydrobiologia 223 (1991), S. 239-254 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Individuals of Grandidierella bonnieroides and Cerapus sp. R commence tube formation by enrolling themselves in a blanket of detritus and gluing together clumps of the material with strands of silk in a few minutes. The initial tubes are very ragged. G. bonnieroides then expands the initial tube by simply dragging in more detritus. In contrast, Cerapus sp. R. commences building an architectured tube outward from the ragged initial tube using very fine detritus collected either by grasping nearby benthic material or by filter feeding particles from the water column. The diameter of the nearly circular architectured tube is tailored very exactly to the height of the body for which we propose a formula. The more advanced Cerapus sp. K skips the initial phase of blanket-tube formation and only makes short architectured tubes as long as the body, carries these about in a fashion analogous to hermit crabs, and attaches them temporarily to epfloral-faunal substrates well above the sediment surface; therefore, no detritus masses are available to Cerapus sp. K. Tube-building in amphipods is roughly classified into 12 kinds having many subdivisions. Advancement of, or specialization in tube building, lacks apparent correlation with morphological advancement or systematic and evolutionary deployment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00047643
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Zur Kenntnis der komplexen Wolframichloride (1923)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 130 (1923), S. 1-17 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Die konzentrierte wäßrige Lösung ist grün und wird beim Verdünnen grüngelb. Sie reagiert stark sauer, entwickelt mit Carbonaten CO2, und zeigt im übrigen alle dem Ion W2Cl2 charakteristischen Reaktionen. Beim Stehen wird die wäßrige Lösung unter Abscheidung brauner Hydrolyseprodukte allmählich zersetzt. Dagegen ist die mit HCL gesättigte Losung viel beständiger, so daß sie ohne merkbare Veränderung mehrere Tage aufbewahrt werden kann.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19231300102
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Beiträge zur Chemie des Germaniums. 17. Mitteilung Über das elektrochemische verhalten des Germaniums (1936)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 229 (1936), S. 146-160 
    Details
    ISSN: 0863-1786
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Elektrolytgermanium gibt in der Kette Ge/n-ZnSO4/n-KCl, Hg2Cl2/Hg wegen seiner leichten Oxydierbarkeit bei Gegenwart von Sauerstoff keine konstante und reproduzierbare EMK.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19362290205
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    Paper (German National Licenses)
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