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  • Lepidoptera  (2)
  • Polymer and Materials Science  (2)
  • 1980-1984  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Behavioral responses of maleHeliothis virescens in a sustained-flight tunnel to combinations of seven compounds identified from female sex pheromone glands (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 747-759 
    Details
    ISSN: 1573-1561
    Keywords: Tobacco budworm ; Heliothis virescens ; Lepidoptera ; Noctuidae ; flight tunnel ; sex pheromone ; moth behavior ; rubber septa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Each of the seven compounds that have been identified from femaleHeliothis virescens sex pheromone glands was examined for its ability to elicit sexual responses from male moths in a flight tunnel. The two compounds initially described as pheromone components, (itZ)-11-hexadecenal and (itZ)-9-tetradecenal, were necessary for behavioral activity to occur. Of the remaining five compounds, hexadecanal was most consistent in elevating behavioral activity of males when it was added to treatments. Live, calling females elicited greater sexual activity from males than did the 7-compound mixture on rubber septa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988780
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Behavioral responses of maleHeliothis zea moths in sustained-flight tunnel to combinations of 4 compounds identified from female sex pheromone gland (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 193-202 
    Details
    ISSN: 1573-1561
    Keywords: Corn earworm ; Heliothis zea ; Lepidoptera ; Noctuidae ; flight tunnel ; sex pheromone ; moth behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Each of the four compounds that have been identified from sex pheromone glands ofHeliothis zea female moths was examined for its ability to elicit sexual responses from male moths in a flight tunnel. Males flew upwind to (Z)-11-hexadecenal alone, but greater levels of behavioral activity were evoked with the addition of (Z)-9-hexadecenal to the treatment. Addition of hexadecanal or (Z)-7-hexadecenal to the initial two components had no effect in raising the behavioral response of the males in the flight tunnel whether added singularly at both the normal gland-emission ratio or at varying ratios or in combination at the normal ratio. Live, calling females elicited levels of sexual activity from males not significantly different from that elicited by the mixture of (Z)-11- and (Z)-9-hexadecenal on cotton wicks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987848
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Metering Pumps. Selection and Application. Von P. Poynton. Marcel Dekker, Inc., New York - Basel 1983. 1. Aufl., XV, 216 S., zahlr. Abb. u. Tab., geb., SFr. 88,-. (1984)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 56 (1984), S. 62-62 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330560121
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  • 4
    Electronic Resource
    Electronic Resource
    Elektronenmikroskopische und mikroanalytische Untersuchungen zur Veränderung der übermolekularen Struktur von mit Natriumhydroxid-Lösungen und Schwefelsäure behandelter Cellulose (1982)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 33 (1982), S. 43-48 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The changes and the conditions of destruction of the supramolecular structure of cellulose caused by the action of NaOH and sulfuric acid of different concentration have been investigated by electron microscopy. With different kinds of cellulose the destruction of the microfibrillar structure was observed to occur within various ranges of concentration. The crystalline structures formed by the treatment with the reagents were investigated by electron diffraction and their elemental composition was determined by x-ray microanalysis.
    Notes: Durch elektronenmikroskopische Untersuchungen werden die Veränderung der übermolekularen Struktur der Cellulose bei der Einwirkung von NaOH und Schwefelsäure unterschieflicher Konzentration verfolgt und die Bedingungen ihrer Zerstörung ermittelt. Die Zerstörung der mikrofibrillaren Struktur durch NaOH-Lösungen bzw. Schwefelsäure liegt bei den einzelnen Cellulosetypen in verschiedenen Konzentrationsbereichen. Die durch die Behandlung mit den Reagenzien gebildeten kristallinen Gebilde werden mittels Röntgenmikroanalyse auf ihre Elementzusammensetzung und mittels Elektronenbeugung auf ihre kristalline Struktur untersucht.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1982.010330109
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    Paper (German National Licenses)
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