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  • Springer  (154)
  • American Physical Society (APS)
  • 1985-1989  (65)
  • 1980-1984  (67)
  • 1970-1974  (22)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Jungvögel sterben im harten Winter zuerst: Winterverluste beim Austernfischer,Haematopus ostralegus (1987)
    Springer
    Journal of ornithology 128 (1987), S. 325-331 
    Details
    ISSN: 1439-0361
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Summary A spell of frost of 30 days in February/March 1986 caused a high mortality (5–6%) among wintering Oystercatchers on Texel, NL. Anatomical deformations were found in 67% of the frost victims, especially on bill and legs. 60,7% of the frost victims were younger than 1 year and only 8,3% were adults. The mean weight of the 86 victims was about 36% less than the mean normal winter-weights.
    Notes: Zusammenfassung Nach einer 30tägigen Frostperiode im Februar/März 1986 konnten auf der niederländischen Wattenmeerinsel Texel 86 tote Austernfischer untersucht werden. 67% aller Totfunde wiesen Deformationen an Schnäbeln und Beinen auf. 60,7% waren Vögel im ersten Lebensjahr. Der Anteil adulter betrug 8,3%. Die Totfunde wiesen ein Untergewicht von 36% auf. Insgesamt dürften 5–6% des Winterbestandes auf Texel dem Frost zum Opfer gefallen sein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01640302
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  • 2
    Electronic Resource
    Electronic Resource
    Lifetime-measurements of alkali-molecules excited by different laserlines (1970)
    Springer
    The European physical journal 232 (1970), S. 462-472 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Absorbing different lines of acw-argon ion laser or a He-Ne-laser the alkali molecules Na2, K2, Rb2 and Cs2 can be pumped into different rotational-vibrational levels of an excited electronic state. The lifetimes of these states have been measured using the phase shift technique at a modulation frequency of 18 Mc/sec. Because of collisions with the always present alkali atoms the excited molecules may undergo collision-induced transitions to other states and their lifetimes are dependent on the atomic pressure. This dependence was measured and the spontaneous lifetimes were obtained by extrapolation against zero pressure. Different collision processes are discussed which compete with the unperturbed fluorescence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01395677
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  • 3
    Electronic Resource
    Electronic Resource
    Photoproton spectrum from carbon with good energy resolution (1974)
    Springer
    The European physical journal 270 (1974), S. 93-95 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The 90° photoproton spectrum from12C has been measured with good energy resolution using bremsstrahlung with maximum energyEγ=31 MeV. A fragmentation of the giant dipole resonance in fine structures with a typical width of 150 to 300 keV is observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01677439
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  • 4
    Electronic Resource
    Electronic Resource
    Photofission with linearly polarized photons (1982)
    Springer
    The European physical journal 308 (1982), S. 63-71 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The formalism for fragment angular distributions in photofission with unpolarized and linearly polarized photons is summarized. First experiments on232Th using linearly polarized bremsstrahlung are described. The results for the analyzing power show for the first time in a model independent way that the low energy photofission can be explained byelectric dipole excitation. The possibilities of this new method are discussed, in particular when using monoenergetic tagged photons, which are available soon at new high duty cycle electron accelerators.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415850
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  • 5
    Electronic Resource
    Electronic Resource
    Preface (1988)
    Springer
    The European physical journal 38 (1988), S. 1-1 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01574508
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  • 6
    Electronic Resource
    Electronic Resource
    Thermogenic effects of thyrotrophin-releasing hormone and its analogues in the rat (1988)
    Springer
    Cellular and molecular life sciences 44 (1988), S. 40-42 
    Details
    ISSN: 1420-9071
    Keywords: TRH ; TRH analogues ; thermogenesis ; brown adipose tissue
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Acute or chronic injection of RX 77368 (a TRH analogue; 1 mg/kg s.c.) stimulated oxygen consumption (VO2) and brown adipose tissue activity in the rat, and decreased weight gain Other TRH analogues (CG 3509, RGH 2202) and TRH itself also stimulated VO2. These thermogenic actions are probably mediated centrally by stimulation of sympathetic outflow to brown fat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01960238
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  • 7
    Electronic Resource
    Electronic Resource
    Influence of sex on the urinary bilirubin excretion at increased free plasma haemoglobin levels in whole dogs and in isolated normothermic perfused dog kidneys (1971)
    Springer
    Cellular and molecular life sciences 27 (1971), S. 1264-1265 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Si le taux sanguin en hémoglobine libre dépasse les 50 mg/100 ml, l'excrétion rénale de la bilirubine est fortement augmentée chez le chien, tandis qu'elle reste faible chez la chienne. Les mêmes résultats sont obtenues par perfusion de reins isolés avec du sang hépariné ou défibriné.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02136676
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  • 8
    Electronic Resource
    Electronic Resource
    A note on rings having only a finite number of cyclic indecomposable modules (1986)
    Springer
    Archiv der Mathematik 47 (1986), S. 408-409 
    Details
    ISSN: 1420-8938
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01189979
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  • 9
    Electronic Resource
    Electronic Resource
    Electrophoretic techniques for detection of Glypta fumiferanae, an endoparasitoid of western spruce budworm (1981)
    Springer
    Entomologia experimentalis et applicata 30 (1981), S. 176-180 
    Details
    ISSN: 1570-7458
    Keywords: Western Spruce Budworm ; Choristoneura occidentalis ; Glypta fumiferanae ; endoparasitoids ; electrophoresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Raupen von Choristoneura occidentalis ohne und mit dem Endoparasitoiden Glypta fumiferanae (Vier.) (Hymenoptera: Ichneumonidae) wurden elektrophoretisch auf Isoenzymbänder untersucht zum Nachweis des Parasitoiden. Für G. fumiferanae typische Bänder wurden in 4 der untersuchten 15 Enzymen beobachtet. Dies waren Aconitase, Esterase, Leucinaminopeptidase und 6-Phosphoglucose-dehydrogenase. Das Vorkommen dieser Isoenzymbänder ist ein zuverlässiges Zeichen der Parasitierung durch G. fumiferanae. Die Brauchbarkeit der Elektrophorese als Mittel zum Routinenachweis von Parasitoiden wird diskutiert.
    Notes: Abstract Parasitoid-free western spruce budworms and western spruce budworm larvae containing the endoparasitoid Glypta fumiferanae (Vier.) (Hymenoptera: Ichneumonidae) were assayed electrophoretically to identify isozyme bands diagnostic for the parasitoid. Bands characteristic of G. fumiferanae were observed with 4 of 15 enzymes tested. These were aconitase, esterase, leucine aminopeptidase and 6-phosphoglucose dehydrogenase. Presence of these isozyme bands is a reliable indication of parasitism by G. fumiferanae. The efficiency of electrophoresis as a tool for routine detection of parasitoids is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00300884
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  • 10
    Electronic Resource
    Electronic Resource
    Die Bedeutung der Zitatenanalyse für die Wissenschaftsforschung (1985)
    Springer
    Journal for general philosophy of science 16 (1985), S. 304-314 
    Details
    ISSN: 1572-8587
    Source: Springer Online Journal Archives 1860-2000
    Topics: Philosophy , Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Summary The method of citation analysis has been elaborated by E. Garfield for the purpose of documentation of scientific literature. The data accumulated in “Citation Indices” can also be used as an empirical basis for certain investigations in the field of science of science. Techniques of citation analysis (e.g. the calculation of citation rates or the co-citation-analysis) permit measurements of information activities of scientists. We refuse overdrawn interpretations of the results of citation analyses, for instance the indication of “scientific quality” or of “thematico-technical relations between ideas, problems etc.”.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01803677
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