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  • Rhipidogammarus  (2)
  • flowing polymer solution  (2)
  • Springer  (4)
  • American Meteorological Society (AMS)
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  • Springer  (4)
  • American Meteorological Society (AMS)
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  • 1
    Electronic Resource
    Electronic Resource
    Rheological measurements and light-scattering experiments of dilute solutions of high molecular polystyrene. Light-scattering of flowing polymer solutions (1991)
    Springer
    Colloid & polymer science 269 (1991), S. 1250-1256 
    Details
    ISSN: 1435-1536
    Keywords: Light-scattering ; flowing polymer solution ; dilute polymer solution ; orientation and deformation of macromolecules ; polystyrene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00652533
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  • 2
    Electronic Resource
    Electronic Resource
    Analysis of Taylor vortex flow by means of laser light scattering (1992)
    Springer
    Rheologica acta 31 (1992), S. 274-282 
    Details
    ISSN: 1435-1528
    Keywords: Light-scattering ; flowing polymer solution ; dilute polystyrene solution ; Taylor-vortex ; solvent power
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00366506
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  • 3
    Electronic Resource
    Electronic Resource
    First record of Crustacea Malacostraca from fresh waters in the Canary Islands (1990)
    Springer
    Hydrobiologia 206 (1990), S. 53-59 
    Details
    ISSN: 1573-5117
    Keywords: Tenerife ; epigean fresh water ; Amphipoda ; Rhipidogammarus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Resumen Crustacea Malacostraca era hasta ahora desconocida de las aguas dulces de las Islas Canarias. Una nueva especie de anfípodo, Rhipidogammarus rheophilus, ha sido recientemente descubierto de fuentes y manantiales de Tenerife.
    Notes: Abstract Crustacea Malacostraca were hitherto unknown from fresh waters of the Canary Islands. A new species of Amphipoda, Rhipidogammarus rheophilus, has recently been discovered in springs and spring brooks in Tenerife.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00018969
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  • 4
    Electronic Resource
    Electronic Resource
    Stygofauna of the Canary Islands, 6 A new Rhipidogammarus (Crustacea, Amphipoda) from Tenerife: first record of the genus outside the Mediterranean region and its biogeographic implications (1988)
    Springer
    Hydrobiologia 169 (1988), S. 279-292 
    Details
    ISSN: 1573-5117
    Keywords: Canary Islands ; groundwater Amphipoda ; Rhipidogammarus ; biogeography ; geological origin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The discovery of a new species ofRhipidogammarus, Rh. nivariae n. sp., in water supply shafts of Tenerife (Canary Islands), presents an interesting biogeographic problem. Up to now, members of the genus were known exclusively from stygohabitats in the peri-Mediterranean belt. Its sister-genus is found in very shallow waters of the Mediterranean, and on morphological grounds the genus seems to have got adapted only fairly recently to continental hypogean waters. The occurrence of a member ofRhipidogammarus on an oceanic island like Tenerife can be explained by one of the following two scenarios: (1) Tenerife is a fragment of the African plate, or (2) the island's volcanic outcrops arose from a very shallow submarine bank and drifted later into deeper waters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00007551
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