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  • (Z)-4-tridecene  (1)
  • Fusion energy development  (1)
  • Springer  (2)
  • Blackwell Publishing Ltd
  • Macmillian Magazines Ltd.
  • 2000-2004  (2)
  • 1935-1939
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of fusion energy 19 (2000), S. 1-34 
    ISSN: 1572-9591
    Keywords: Fusion energy development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract This report has been prepared in response to a request from the U.S. Department of Energy's (DOE) Office of Fusion Energy Sciences to consider possible alternatives on reduced cost options for “next-step” devices. A central focus of next-step devices is the study of “burning” plasmas, which explore the impact of substantial fusion energy production via the deuterium-tritium reaction. An important part of the U.S. Fusion Energy Sciences Program is its participation in the International Thermonuclear Experimental Reactor (ITER) program. Taking into account the international situation and U.S. domestic issues, the ITER process is exploring reduced-cost options to the present ITER device. A Special Working Group, reporting to the ITER Council, has been formed to explore these issues on behalf of the ITER Parties, i.e., the European Union, Russian Federation, Japan, and the United States. This report and its related activities will aid the United States in the international process. This report is the result of a broad-based U.S. community effort to discuss, debate, and work together on the crucial issues involved in considering next-step options. The main content of this report is based on three potential pathways identified at a broadly attended community Forum for Next-Step Fusion Experiments (University of Wisconsin, Madison, April 1998) organized principally by the University Fusion Association and by the work of the ITER Steering Committee—US (ISCUS) on reduced cost ITER options. The Madison Workshop was followed by a smaller Workshop on Next-Step Options (University of California, San Diego, June 1998) to focus on preparing this report. A broadly-announced Website was established to facilitate access to documents related to this process.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-1561
    Keywords: Defensive secretion ; green lacewing ; Chrysoperla carnea ; (Z)-4-tridecene ; electroantennography ; single sensillum recording ; alarm pheromone ; Chrysopidae ; Neuroptera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract We report the identification of a defensive secretion from the green lacewing, Chrysoperla carnea. By using combined gas chromatography–electroantennographic detection (GC-EAD), we found one major compound in the solvent extract of this secretion that elicited a significant EAD response from the antenna. Based upon its characteristic fragments from gas chromatography–mass spectrometry (GC-MS) analysis, the compound was identified as a tridecene. Dimethyldisulfide derivatization suggested that a double bond was located between positions 4 and 5 in the carbon chain. Thus, the compound was tentatively identified as a 4-tridecene. Coinjection of the extract with a mixture of the Z or E form of the synthetic 4-tridecene revealed that the unknown was (Z)-4-tridecene. EAG dose–responses showed a direct correlation to dose. Single sensillum recordings from sensilla trichodea situated on the antennae suggested the presence of receptor neurons specifically responding to this compound. An arrestment behavior was observed when tested in the Y-tube olfactometer. Preliminary field trapping results indicate that the compound is an antagonist to attraction. The avoidance behavior of predatory ants, observed when tested with the synthetic compound of this secretion further suggested a defensive function.
    Type of Medium: Electronic Resource
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