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  • 1990-1994  (2)
  • 1965-1969  (2)
  • Industrial Chemistry  (2)
  • 34.80.Kw  (1)
  • Ethanol
  • 1
    Electronic Resource
    Electronic Resource
    Tolerance to ethanol's effects on operant performance in rats: role of number and pattern of intoxicated practice opportunities (1992)
    Springer
    Psychopharmacology 109 (1992), S. 112-120 
    Details
    ISSN: 1432-2072
    Keywords: Ethanol ; Operant performance ; Tolerance ; Intoxicated practice ; Compensatory behaviors ; Acute ethanol withdrawal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Acquisition and retention of tolerance to ethanol's rate-decreasing effects on operant performance were examined in rats which received a 52-day regimen of ethanol or saline injections prior to and/or after each daily session. Eight groups of rats differed on: (a) number of days with intoxicated practice (pre-session ethanol); (b) intermittent (spaced) or daily (massed) intoxicated practice; and (c) post-session ethanol or saline on nonintoxicated practice days. Massed practice groups were given their presession saline days prior to their pre-session ethanol days. Ethanol dose-effect tests were given prior to, during, and after the chronic injection regimen. Under both spaced and massed practice conditions, the magnitude of tolerance developed increased directly with the number of pre-session ethanol days, even when absolute ethanol exposure was constant. No group showed complete tolerance loss. The post-session ethanol supplements (a) facilitated tolerance development in spaced practice groups and tolerance loss in massed practice groups, (b) blocked ethanol's low dose rate-increasing effects, and (c) produced an acute withdrawal-like performance disruption the next day. The results suggest that both intoxicated practice and practice during acute ethanol withdrawal influence the acquisition and retention of compensatory behaviors during ethanol tolerance development.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02245488
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Dielectronic recombination of lithium-like Ar15+ (1994)
    Springer
    The European physical journal 30 (1994), S. 291-306 
    Details
    ISSN: 1434-6079
    Keywords: 34.80.Kw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Dielectronic recombination (DR) of Ar15+(1s 22s) ions was studied in a single-pass merged-beams experiment at the UNILAC (universal linear accelerator) of GSI. Absolute recombination rates and cross sections were measured for electron-ion center-of-mass energies from 0 to 580 eV. A number of Rydberg states formed by DR with 2s → 2p (Δn=0) and 2s → 3ℓ (Δn=1) core excitations and even individual terms in the 1s 23ℓ3ℓ′ configuration could be resolved. Theoretical calculations of DR cross sections are in good overall agreement with the data. In the calculations for Δn=0 transitions, effects of electric fields have to be included to reproduce the magnitude of the measured DR rates at the limit of the 2 p 1/2ℓ and 2 p 3/2ℓ Rydberg series. Discrepancies between theory and experiment are observed at the series limits of the (1s 23ℓnℓ′) Rydberg series.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426394
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Steuerung und Regelung von chemischen Fabrikationsprozessen bei instationärem Betrieb (1966)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 38 (1966), S. 239-241 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Es werden Prinzipien, nach denen Regelungen und Steuerungen des instationären Betriebes allgemein möglich sind, aufgezählt und Vor- und Nachteile verschiedener Varianten miteinander verglichen.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330380310
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Steuerungen und Regelungen von Betriebsanlagen der pharmazeutischen Chemie (1965)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 37 (1965), S. 232-234 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Die Synthesen der pharmazeutischen Produkte umfassen meist zahlreiche Stufen, wobei Chargenprozesse mit kontinuierlichen Prozessen abwechseln. Daher müssen auch die kontinuierlich arbeitenden Apparaturen oft angehalten werden. Diese Besonderheit muß bei der Auswahl der Schaltelemente berücksichtigt werden.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330370310
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    Paper (German National Licenses)
    Fulltext
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