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  • 1
    Electronic Resource
    Electronic Resource
    Expansion technique for the dipole interaction of a spin-J system with a monochromatic electromagnetic field (1983)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 2 (1983), S. 787-800 
    Details
    ISSN: 0392-6737
    Keywords: Atomic photon processes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Si sviluppa una tecnica di sviluppo per l’interazione dipolare di un sistema con spinJ con un campo elettromagnetico monocromatico quantizzato. I livelli di energia sono egualmente spaziati e si usa l’approssimazìone ad onda rotante. Si presentano risultati particolari dell’applicazione del metodo.
    Abstract: Резюме Развивается техника разложения для дипольного взаимодействия системы со спиномJ с квантованным монохроматическим электромагнитным полем. Уровни энергии эквидистантны и используется приближение вращающихся волн. Приводятся некоторые результаты, иллюстрирующие применение предложенного метода.
    Notes: Summary An expansion technique for the dipole interaction of a spin-J system with a quantized monochromatic electromagnetic field is developed. The energy levels are equally spaced and the rotating-wave approximation is used. Particular results of the application of the method are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02453219
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of neuropeptide Y, insulin, 2-deoxyglucose, and food deprivation on food-motivated behavior (1995)
    Springer
    Psychopharmacology 120 (1995), S. 267-271 
    Details
    ISSN: 1432-2072
    Keywords: Neuropeptide Y ; Insulin ; 2-Deoxyglucose ; Food deprivation ; Motivation ; Reinforcer efficacy ; Rats
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The current study demonstrates the ability of neuropeptide Y (NPY) to increase break points under a progressive ratio 1 (PR1) reinforcement schedule. An initial response resulted in delivery of a food reinforcer (45 mg pellet) under the PR1, and an additional response was required foreach successive reinforcer. The break point, the number of responses emitted to obtain the last reinforcer, is considered a measure of reinforcing efficacy or motivational strength of the food reinforcer. NPY (0.3–10 µg) significantly increased break point to levels comparable to those produced by 36–48 h of food deprivation. Although insulin (3–8 U/kg) and 2-deoxyglucose (150–250 mg/kg) also increased food intake, neither increased break points to levels produced by NPY or food deprivation. These data suggest that NPY may change the value of food in ways that cannot be accounted for by changes in insulin, glucose levels or intracellular glucoprivation. These results emphasize that simply measuring the amount of freely available food eaten is not a fully adequate measure of the strength of the feeding behavior.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02311173
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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