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  • Chemical Engineering  (2)
  • Polymer and Materials Science  (1)
  • biological control  (1)
  • learning  (1)
  • kairomones
  • Wiley-Blackwell  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 5 (1959), S. 419-426 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Results are presented for the solid-catalyzed hydrogenation of ethylene in fixed and fluidized beds. The effect of gas velocity, bed height, catalyst activity, particle size, and internal baffles on fluidized reactor efficiency are given, and Equations derived from a simplified mathematical model correlate the data.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: The use of elektrolytic tinplateIn the introduction the enormous change of the manufacturing process of tinplate is dicussed which resulted in the introduction of the cold reduction process for the steel  -  changing from the steel sheet to the continuous steel strip  -  and in the electroplating of tin. There is a very different behaviour in service through the decreasing of the tin coating weight which is now less than a third of that of a hot-dip tinplate. The structure of the different surface layers of tinplate and their properties are discussed. There are considerale differences in solderability, in the tension for rusting of the exterior of tin cans and also in the corrodibility in the interior of such cans. Differences in the surface quality of the steel strip are of special importance. To avoid such defects the electrolytic tinplate is proteted in most cases by lacquer coatings. Other possibilities are the use of combinations of hot-dip and electrolytic tinplate resp. the use of „differential“ electrolytic tinplate.
    Notes: Einleitend wird auf die unwälzende Änderung der Herstellungsverfahren für Weißblech eingegangen, die sich durch die Einführung des Kaltwaltzverfahrens für den Stahl  -  Übergang von der Blechtafel zum kontinuierlichen Band  -  und der elektrolytischen Verzinnung während des zweiten Weltkrieges ergeben haben. Durch die Verringerung der Zinnauflage auf weniger als ein Drittel der bei der Feuerverzinnung üblichen Menge ergibt sich ein sehr unterschiedliches Verhalten. Besprechung des Aufbaus der verschiedenen Oberflächenschichten. durch die verschieden hohe Zinnauflage ergeben sich erhebliche Unterschiede in der Korrosion im Innern von solchen Dosen. wichtig snd vor allem die Fragen der Oberflächenunterschiede im Stahlblech. Zur Vermeidung dieser Fehler wird Elektrolyt-Weißblech in sehr vielen Fällen durch Aufbringung eines Lacküberzugs geschützt. Andere Maßnahmen sind die Verwendung von Kombinationen von feuerverzinntem und Elektrolyt-Weißlech bzw. die Verwendung von „Differenz“-Weißblech.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Plant/Operations Progress 6 (1987), S. 165-170 
    ISSN: 0278-4513
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The Savannah River Laboratory is using robots to improve safety and reduce personnel radiation exposure in the nuclear process environment. This paper reviews several successful applications at this site. A detailed discussion is presented on an application to transfer materials in a line of shielded radiation work cells.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Archives of Insect Biochemistry and Physiology 22 (1993), S. 385-391 
    ISSN: 0739-4462
    Keywords: parasitoid ; plant-insect interactions ; learning ; biological control ; Chemistry ; Food Science, Agricultural, Medicinal and Pharmaceutical Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Chemical cues enable female parasitic wasps to locate the eggs, larvae, or other life stages of the insects in or on which they place their eggs. These chemical signals, or semiochemicals, may be produced by the hosts and/or by the plants on which the hosts feed. The composition of the chemical signal often differs with different species of hosts or with different plants. New evidence suggests that the wasps exploit semiochemicals emitted by plants in response to insect herbivore feeding. The wasps learn to respond to the different blends of chemicals that indicate the location of their hosts and they can be trained to respond to a specific odor blend. Thus, it may be possible to increase their effectiveness for biological control by conditioning them, prior to their release, to search for a target pest in a particular crop. © 1993 Wiley-Liss, Inc.
    Type of Medium: Electronic Resource
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