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  • Articles: DFG German National Licenses  (22)
  • 1985-1989  (17)
  • 1965-1969  (5)
  • 11
    Electronic Resource
    Electronic Resource
    Growing skull fracture — Rupture of coronal suture caused by vacuum extraction (1987)
    Springer
    Neuroradiology 29 (1987), S. 502-502 
    Details
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341755
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  • 12
    Electronic Resource
    Electronic Resource
    Seasonal cycles in the output of first stage larvae of the nematode Elaphostrongylus rangiferi from reindeer, Rangifer tarandus tarandus (1985)
    Springer
    Polar biology 5 (1985), S. 49-54 
    Details
    ISSN: 1432-2056
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The output of first stage larvae of the neurotrophic nematode Elaphostrongylus rangiferi was studied both in a herd of reindeer in the field and in reindeer held in captivity. There was a marked seasonal cycle in the output of larvae from infected reindeer. This seasonal cycle is dependent on host sex. After an initial phase of logarithmic increase from the onset of patency in late winter/spring, the larval output declines to a minimum in summer in both female and male reindeer. From then onwards a yearly cycle is repeated with a maximum density of larvae in autumn/early winter from male reindeer, and in late winter/spring from female reindeer. E. rangiferi has an adult longevity of several years in the reindeer, and it is probable that the seasonal cycle of parasite output is linked to seasonal changes in the degree of host stress.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00446045
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Zur Luminiszenz von Cr(3)-Verbindungen (1966)
    Springer
    Theoretical chemistry accounts 6 (1966), S. 272-277 
    Details
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Whereas 2.4 is likely to be an upper limit for the Dq/B-value of Cr(3)-complexes which show fluorescence the existence of a lower bound is rather unlikely. Experimental evidence suggests that the energy difference between the minima of the 2 E g- and the 4 T 2g-potential curves is one of the factors determining the relative intensities of phosphorescence and fluorescence.
    Abstract: Résumé Alors que 2,4 apparaît comme une limite supérieure du rapport Dq/B pour les complexes fluorescents de Cr(3), l'existence d'une limite inférieure est peu probable. L'évidence expérimentale suggère que l'intensité relative de la phosphorence et de la fluorescence est déterminée par la différence d'énergie entre les minima des courbes de potentiel des états 2 E g et 4 T 2g .
    Notes: Zusammenfassung Während 2,4 wahrscheinlich die obere Grenze für den Dq/B-Wert fluoreszierender Cr(3)Komplexe ist, gibt es für die Existenz eines unteren Grenzwerts keine Anzeichen. Experimentelle Ergebnisse legen nahe, daß das Verhältnis von Phosphoreszenz- zu Fluoreszenzemission durch die relative Höhe der Minima der 2 E g- und 4 T 2g-Potentialkurven bestimmt wird.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00000007
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  • 14
    Electronic Resource
    Electronic Resource
    Zur Luminiszenz von Cr(3)-Verbindungen (1966)
    Springer
    Theoretical chemistry accounts 6 (1966), S. 272-277 
    Details
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Whereas 2.4 is likely to be an upper limit for theDq/B-value of Cr(3)-complexes which show fluorescence the existence of a lower bound is rather unlikely. Experimental evidence suggests that the energy difference between the minima of the2 E g- and the4 T 2g-potential curves is one of the factors determining the relative intensities of phosphorescence and fluorescence.
    Abstract: Résumé Alors que 2,4 apparaît comme une limite supérieure du rapportDq/B pour les complexes fluorescents de Cr(3), l'existence d'une limite inférieure est peu probable. L'évidence expérimentale suggère que l'intensité relative de la phosphorence et de la fluorescence est déterminée par la différence d'énergie entre les minima des courbes de potentiel des états2 E g et4 T 2g .
    Notes: Zusammenfassung Während 2,4 wahrscheinlich die obere Grenze für denDq/B-Wert fluoreszierender Cr(3)Komplexe ist, gibt es für die Existenz eines unteren Grenzwerts keine Anzeichen. Experimentelle Ergebnisse legen nahe, daß das Verhältnis von Phosphoreszenz- zu Fluoreszenzemission durch die relative Höhe der Minima der2 E g- und4 T 2g-Potentialkurven bestimmt wird.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02394704
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  • 15
    Electronic Resource
    Electronic Resource
    Erratum (1966)
    Springer
    Theoretical chemistry accounts 6 (1966), S. 452-452 
    Details
    ISSN: 1432-2234
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00528471
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    Paper (German National Licenses)
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  • 16
    Electronic Resource
    Electronic Resource
    Prevalence of antibodies toBorrelia burgdorferi in forestry workers and blood donors from the same region in Switzerland (1989)
    Springer
    European journal of clinical microbiology & infectious diseases 8 (1989), S. 992-995 
    Details
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Sera from 259 forestry workers and 100 blood donors in the Canton of Solothurn, Switzerland, were tested for IgG antibodies toBorrelia burgdorferi in two EIAs using as antigen either sonic extract of whole organisms or purified flagella. Applying a 95% specific cut-off value based on results in the sera of 100 blood donors, 86 (33%) and 91 (35%) of the forestry workers respectively showed an elevated specific IgG level in the two EIAs. None of the 259 forestry workers had clinical signs of active infection at the time blood was taken, and only nine could recall experiencing erythema-migrans-like skin lesions within the last ten years. Thus, asymptomatic infections must be frequent. Elevated specific antibody levels increased significantly with the age of the forestry workers (p〈0.0001) and the duration of occupational exposure to ticks (p=0.0001). Thus serological results in individuals with high exposure to ticks must be interpreted with caution in view of the high a priori prevalence of antibodies toBorrelia burgdorferi in such persons. The prevalence of antibody to theBorrelia burgdorferi flagellum in a control population not selected for tick exposure, in this case blood donors, seems to be independent of geographical origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01967572
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  • 17
    Electronic Resource
    Electronic Resource
    Dijet production cross-section and fragmentation of jets produced inp p collisions at $$\sqrt s $$ =63 GeV (1986)
    Springer
    The European physical journal 30 (1986), S. 27-43 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present stdies of events triggered on two high-p T jets, produced inpp collisions at the CERN Intersecting Storage Rings (ISR) at $$\sqrt s $$ =63 GeV, using a large solid angle calorimeter. The cross-section for producing two jets is measured in the dijet mass range 17–50 GeV/c2. A high-statistics sample of dijet events, where each jet has transverse energy above 10 GeV, is used to study the structure of jets and the associated event. We find the longitudinal fragmentation function to be similar to that of jets emerging frome + e − collisions but considerably harder than that observed at the Super Proton Synchrotron (SPS) $$p\bar p$$ Collider. A steepening of the fragmentation function is observed when increasing the jet energy. Studies of the charge distribution in jets show that these predominantly originate from fragmenting valence quarks. The transverse energy and particle flows are presented as functions of the azimuthal distance from the jet axis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01560675
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    Paper (German National Licenses)
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  • 18
    Electronic Resource
    Electronic Resource
    Double parton scattering inpp collisions at $$\sqrt s = 63$$ GeV (1987)
    Springer
    The European physical journal 34 (1987), S. 163-174 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In a study ofpp collisions at $$\sqrt s = 63$$ GeV with more than 29 GeV total transverse energy emitted into 1.8 units of rapidity in the central region, we have extracted a sample of 4-jet events and compared it with models of the two sources of 4-jet production: double bremsstrahlung and double parton scattering. The data cannot be described by bremsstrahlung alone, and we extract the fraction of 4-jet events attributed to double parton scattering for various definitions of the 4-jet sample. We determine the double parton scattering/2-jet yield ratio, and this leads to a determination of the proton radius. We discuss the implications of our observations for the general understanding of high-ΣE T events.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01566757
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  • 19
    Electronic Resource
    Electronic Resource
    Three-jet production inpp collisions at $$\sqrt s = 63 GeV$$ and a determination of α s (1986)
    Springer
    The European physical journal 32 (1986), S. 317-334 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have studiedpp collisions at the CERN ISR at $$\sqrt s = 63 GeV$$ using a jet trigger. We demonstrate that a sample of well-separated triple high-p T jet events can be described as due to the QCD bremsstrahlung process. The energy flow of these 3-jet events is well described by an independent fragmentation model, with a gluon-jet transverse width 33% greater than the quark-jet width. From the ratio of the 3- and 2-jet production crosssections the strong coupling is determined to lowest order in QCD. We find α s =0.18±0.03 (stat.) ±0.04 (stst.). The error does not include the theoretical uncertainty in the fragmentation scheme. We compare our results with measurements at the SPS Collider and discuss the different methods used.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01551827
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    Paper (German National Licenses)
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  • 20
    Electronic Resource
    Electronic Resource
    Effects of simulated acid rain on uptake, accumulation, and retention of fluoride in forage crops (1989)
    Springer
    Water, air & soil pollution 43 (1989), S. 191-198 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Forage crops accumulate F from exposures to the air pollutant HF and the rate and amount taken up can be affected by a number of external factors, one of which is precipitation. To assess how precipitation, including acidic precipitation, alters F uptake and retention in forage, alfalfa (Medicago sativa L. var. Saranac) and tall fescue (Festuca arundinacea Schreb. var. Kentucky 31) were subjected to extended exposures to HF and were treated periodically with various solutions (pH 5.6, 4.0, and 3.0) supplied as simulated rain or, for comparisons, as soil amendments. None of the treatments affected growth, but precipitation treatments significantly reduced the F content of both species relative to plants that received the same volumes of the same solutions added to the soil. Analyses of washed and unwashed foliage indicated that this loss of F was primarily due to the removal of F from foliar surfaces. There was no effect of pH of rain on the F content of tall fescue, but for alfalfa an increase in acidity from pH 4.0 to 3.0 resulted in a further decrease in the F content of foliage, suggesting that in addition to removing superficial F, the more acidic simulated rain resulted in the leaching of F from within foliage was well.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00175593
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    Paper (German National Licenses)
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