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  • Indo-West Pacific  (2)
  • Light-scattering  (2)
  • 1990-1994  (4)
  • 1960-1964
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  • 1990-1994  (4)
  • 1960-1964
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  • 1
    ISSN: 1435-1536
    Schlagwort(e): Light-scattering ; flowing polymer solution ; dilute polymer solution ; orientation and deformation of macromolecules ; polystyrene
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau
    Notizen: Abstract We describe the behavior of dilute polymer solutions by means of light-scattering under shear flow. Solution properties of polystyrene in benzene over a wide range of molecular weight has been studied to determine the coefficientsa andK of the Mark-Houwink relationship and to estimate the rheological conditions with regard to light-scattering experiments of flowing polymer solutions. The investigations were carried out to measure the shear-rate dependence of macromolecules in solution, e.g., to observe an orientation and changing of the mean-square radius of gyration.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Rheologica acta 31 (1992), S. 274-282 
    ISSN: 1435-1528
    Schlagwort(e): Light-scattering ; flowing polymer solution ; dilute polystyrene solution ; Taylor-vortex ; solvent power
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: Abstract Rheological measurements and light-scattering experiments were performed on dilute solutions of high molecular polystyrene. We are able to describe the orientation behavior of chain molecules under shear flow by means of light-scattering. Beyond that these investigations of light-scattering of flowing polymer solutions are an useful and suitable tool for detection and characterization of Taylor vortex formation. We can estimate the appearance of these hydrodynamic instabilities, which overlay the laminar main flow and we can observe a typical influence of the solvent power on it.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    facet.materialart.
    Unbekannt
    In:  Beaufortia (0067-4745) vol.44 (1994) nr.3 p.17
    Publikationsdatum: 2015-06-03
    Beschreibung: Seventy-six species of Pycnogonida, and some unidentifiable forms, belonging to 25 genera in all 8 families, of which 13 species are new to science, are recorded from the Indo-West Pacific region. New species are described in the genera Ascorhynchus, Ammothella, Achelia, Pantopipetta, Nymphon, Callipallene, Phoxichilidium, Anoplodactyhis, and Pycnogonum. A phylogenetic hierarchy of the families of extant Pycnogonida is presented.
    Schlagwort(e): Pycnogonida ; Indo-West Pacific ; new species ; phylogeny
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: Article / Letter to the editor
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    facet.materialart.
    Unbekannt
    In:  Beaufortia vol. 44 no. 3, pp. 17-77
    Publikationsdatum: 2024-01-12
    Beschreibung: Seventy-six species of Pycnogonida, and some unidentifiable forms, belonging to 25 genera in all 8 families, of which 13 species are new to science, are recorded from the Indo-West Pacific region. New species are described in the genera Ascorhynchus, Ammothella, Achelia, Pantopipetta, Nymphon, Callipallene, Phoxichilidium, Anoplodactyhis, and Pycnogonum. A phylogenetic hierarchy of the families of extant Pycnogonida is presented.
    Schlagwort(e): Pycnogonida ; Indo-West Pacific ; new species ; phylogeny
    Repository-Name: National Museum of Natural History, Netherlands
    Materialart: info:eu-repo/semantics/article
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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