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  • Other Sources  (9)
  • Springer  (9)
  • American Institute of Physics (AIP)
  • 2020-2023
  • 1970-1974  (9)
  • 1974  (6)
  • 1973  (3)
  • 1
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    Die Ergochrome (Physiologie, Isolierung, Struktur und Biosynthese) (1973)
    Springer
    In:  Fortschritte der Chemie organischer Naturstoffe, 30 . pp. 151-206.
    Details
    Publication Date: 2018-04-11
    Description: Mutterkorn, das Dauermycel des auf Roggenähren wuchernden Fadenpilzes Claviceps purpurea, enthält eine Gruppe hellgelber, schwach saurer, optisch aktiver Farbstoffe. Obwohl die ersten Präparate dieser Farbstoffe schon vor fast 100 Jahren von DRAGENDORFF und Mitarb. (14) isoliert wurden, konnte deren Strukturaufklärung im wesentlichen erst in den letzten Jahren durchgeführt werden. Dies ist darauf zurückzuführen, daß für die Reindarstellung der schwer trennbaren, teilweise diastereomeren Farbstoffe leistungsfähige chromatographische Methoden entwickelt werden mußten (1, 27, 29, 47). Als sich gezeigt hatte, daß diese Farbstoffe eine Naturstoffgruppe aus mehr als 10 Vertretern mit sehr ähnlichen Strukturen bilden, wurde für sie der Sammelname Ergochrome und eine einfache Nomenklatur vorgeschlagen (19, 25, 29).
    Type: Article , PeerReviewed
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  • 2
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    Temperatur, Salzgehalt und Dichte (1974)
    Springer
    In:  In: Meereskunde der Ostsee. , ed. by Magaard, L. and Rheinheimer, G. Springer, Berlin, Germany, pp. 46-60.
    Details
    Publication Date: 2013-05-14
    Type: Book chapter , NonPeerReviewed
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  • 3
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    Wasserhaushalt und Strömungen (1974)
    Springer
    In:  In: Meereskunde der Ostsee. , ed. by Magaard, L. and Rheinheimer, G. Springer, Berlin, pp. 33-41.
    Details
    Publication Date: 2019-09-23
    Type: Book chapter , NonPeerReviewed
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  • 4
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    Note on the determination of absolute surface water paleotemperature by means of the foraminifer Globigerina bulloides d’Orbigny (1973)
    Springer
    In:  Paläontologische Zeitschrift, 47 (3-4). pp. 152-155.
    Details
    Publication Date: 2016-11-15
    Description: A new method is proposed for determining absolute surface water paleotemperatures by means of Globigerina bulloides d’Orbigny. This method is based on the relationship between the percentage of sinistral specimens in a population of the species mentioned and the temperature of the water. The advantages and disadvantages of the method proposed are discussed.
    Type: Article , PeerReviewed
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  • 5
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    Laboratory observations on spawning and embryonic development of a blue-ringed octopus (1974)
    Springer
    In:  Marine Biology, 27 (4). pp. 333-337.
    Details
    Publication Date: 2016-09-15
    Description: A female blue-ringed octopus, Hapalochlaena sp. (probably lunulata), was maintained in an aqarium for nearly 3 months, during which time it spawned and cared for the eggs until hatching. The young are planktonic. Embryonic development does not differ markedly from that observed in other octopods, uniting certain features of the development of Octopus vulgaris and Eledone cirrosa. In terms of reproductive biology and development, the species differs from the lesser blue-ringed octopus Hapalochlaena maculosa in its mode of spawning, egg size and mode of life of its young. These differences correspond to conditions recorded for Octopus spp. and Eledone spp.
    Type: Article , PeerReviewed
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  • 6
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    Eisverhältnisse (1974)
    Springer
    In:  In: Meereskunde der Ostsee. , ed. by Magaard, L. and Rheinheimer, G. Springer, Berlin, Germany, pp. 61-66. ISBN 3-540-06897-X
    Details
    Publication Date: 2016-07-13
    Type: Book chapter , NonPeerReviewed
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  • 7
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    New data on reproductive biology and growth of Octopus vulgaris (1973)
    Springer
    In:  Marine Biology, 19 . pp. 7-12.
    Details
    Publication Date: 2020-11-05
    Description: The problems of reproduction of Octopus vulgaris and the seasonal distribution in the sea of planctonic larvae, benthonic juveniles and adults are discussed. The influence of environmental factors on growth is shown by experimental studies in the laboratory, and the difficulties of interpreting field data are emphazised.
    Type: Article , PeerReviewed
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  • 8
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    Untermeerische mineralische Rohstoffe in den Ozeanen (1974)
    Springer
    Details
    Publication Date: 2022-03-10
    Description: Mineral resources on and beneath the seafloor are briefly reviewed and the present and future economic value of specific mineral resources is discussed. The results obtained from the cruises of the German research vessel "Valdivia" during its first three years of operation are presented.
    Type: Article , PeerReviewed
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  • 9
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    Deep-Sea Carbonates (1974)
    Springer
    Details
    Publication Date: 2023-11-24
    Description: Calcium carbonate in sediments can greatly effect the engineering properties of those sediments. Factors that may effect engineering properties are: 1) great variation in primary void ratios, (2) inherent strength of carbonate grains, (3) degree of sorting, (4) ratio between grains and matrix, (5) nature and amount of cement, and (6) depth of burial. Deep-sea carbonates appear to be anomalous but do exist in rather large quantities. Their existence must depend upon a combination of physico-chemical and organic-chemical factors that need to be investigated in much more detail.
    Type: Book chapter , NonPeerReviewed
    Format: text
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