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  • Electronic Resource  (2)
  • 1990-1994  (2)
  • 14∶OAc  (1)
  • Chemical Engineering  (1)
  • Restriction fragment length polymorphism (RFLP)
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  • Electronic Resource  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Investigation of sex pheromone components of female asian corn borer,Ostrinia furnacalis (Hübner) (Lepidoptera: Pyralidae) in Taiwan (1992)
    Springer
    Journal of chemical ecology 18 (1992), S. 833-840 
    Details
    ISSN: 1573-1561
    Keywords: Sex pheromone ; Ostrinia furnacalis ; E12–14∶OAc ; Z12–14∶OAc ; 14∶OAc
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract (E)-12-Tetradecenyl acetate (E12–14∶OAc), (Z)-12-tetradecenyl acetate (Z12–143nOAc), and tetradecanyl acetate (14∶OAc) were extracted and identified as major chemical components from female tips of the Asian corn borer,Ostrinia furnacalis (Hübner) (Lepidoptera: Pyralidae) in Taiwan, with a combined wash ratio of 48∶37∶15 and an individual female ratio of 45∶39∶16. The average amount ofE12-,Z12–14∶OAc and 14∶OAc in each female gland was 6.6±4.6, 5.8±3.5, and 2.4±1.7 ng/female, respectively. The mixture of these three synthetic chemicals not only gave strong activities in male antennae but also could catch significantly more males than virgin females in field-trapping tests. The field test also showed no significant difference in trapping ability among the three-component Taiwan formulations, the two-component Taiwan formulation (Z12–14∶OAc andZ1214∶OAc, 53∶47), and the Japan formulation (Z12–14∶ OAc andE 12–14∶OAc, 3:2).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988323
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of surfactant treatments on interfacial adhesion in single graphite/epoxy composites (1991)
    Brookfield, Conn. : Wiley-Blackwell
    Polymer Composites 12 (1991), S. 281-288 
    Details
    ISSN: 0272-8397
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Interfacial adhesion between graphite fibers and epoxy matrices is one of the important parameters in controlling composite performance. Experiments were performed to verify the idea that polymerizable and nonpolymerizable nonionic surfactants can promote wetting and increase interfacial shear strength. Using a single-fiber-composite (SFC) technique with a Poisson/Weibull model of fiber strength and flaws, the effective interfacial shear strength (ISS) was determined. The effect of surfactant treatments on interfacial adhesion in single graphite/epoxy composites was also compared with the effects of treatment with deionized water, absolute alcohol, and acetone. The experimental results showed that the fibers treated with the nonpolymerizable surfactant gained 37% in interfacial shear strength relative to those untreated or those treated with deionized water, absolute alcohol, or acetone. The polymerizable surfactants showed a 10% increase in interfacial shear strength. The lognormal distribution provided the best fit for critical aspect ratios obtained from the SFC tests.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pc.750120409
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    Paper (German National Licenses)
    Fulltext
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