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  • 1
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 8 (1962), S. 450-454 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    ISSN: 1573-5117
    Keywords: Cladophora ; periphyton ; filamentous algae ; nitrogen ; phosphorus ; physiological indicator tests ; bioassays ; Manawatu River ; New Zealand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Physiological indicators of nitrogen and phosphorus deficiency were used to determine the role of these nutrients in the development and proliferation of Cladophora in the Manawatu River, New Zealand. Nitrogen indicator tests showed that surplus nitrogen was available at all times. During a sustained low flow period when the dissolved reactive phosphorus was between 4–5 mg m−3, phosphorus indicator tests revealed that the Cladophora proliferations were phosphorus deficient. A downstream trend of reduced nitrogen and phosphorus availability was also observed during this period. Sudden high river flows were frequent and had a major influence on the Cladophora biomass.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A: General Papers 2 (1964), S. 2017-2024 
    ISSN: 0449-2951
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A number of fractionated and unfractionated poly(vinyl chlorides) have been characterized by light scattering, osmometry, and solution viscometry. From the results on fractions it is concluded that the larger molecules contain long branches. For linear fractions the relation between intrinsic viscosity in tetrahydrofuran at 25°C. and weightaverage molecular weight measured by light scattering is: [η] = 1.63 × 10-4Mw0.766 dl./g.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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