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  • Springer  (536)
  • Wiley  (305)
  • Wiley-Blackwell  (49)
  • American Geophysical Union (AGU)
  • Nature Publishing Group (NPG)
  • 2000-2004  (539)
  • 1965-1969  (311)
  • 1945-1949  (40)
Collection
Keywords
Publisher
Years
Year
  • 11
    Electronic Resource
    Electronic Resource
    Surfaces in Conformal Geometry (2000)
    Springer
    Annals of global analysis and geometry 18 (2000), S. 255-264 
    Details
    ISSN: 1572-9060
    Keywords: Willmore energy functional ; Willmore conjecture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Properties of submanifolds are examined which remain invariantunder a conformal change of metric of the ambiant space. In particular,the Willmore energy functional is discussed as is the Willmoreconjecture for tori.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006717506186
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  • 12
    Electronic Resource
    Electronic Resource
    The polarization of the neutrons from the reaction15N(d,n 0)16O atE d=4.35 and 5.50 MeV (1967)
    Springer
    The European physical journal 206 (1967), S. 404-405 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the reaction15N(d, n 0)16O the angular dependence of the neutron polarization and of the differential cross section was measured at average deuteron energies of 4.35 and 5.50 MeV. Parallel features are observed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01326499
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  • 13
    Electronic Resource
    Electronic Resource
    Two-quasiparticle bands in neutron-rich nuclei (2003)
    Springer
    The European physical journal 20 (2003), S. 97-100 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The large multi-detector arrays such as EUROBALL and GAMMASPHERE have made possible the study of the spectroscopy of neutron-rich nuclei through the observation of discrete, prompt $\gamma$ -rays emitted following fission. Most of the information obtained has concerned yrast states and collective excitations. In the present work, a search has been made for excited bands based upon two-quasiparticle intrinsic structures. Such bands have been found in several even-even nuclei from 96Sr to 112Pd. Careful analysis of triple-coincidence spectra has been performed in order to determine branching ratios within the bands. These branching ratios are then used to establish the magnetic properties of the intrinsic structure, permitting, in most cases, the determination of which Nilsson orbits (and whether they are neutron or proton states) are contributing to the excitation. Some example results from this search are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epja/i2002-10330-3
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  • 14
    Electronic Resource
    Electronic Resource
    Binding of aluminium ions byStaphylococcus aureus 893 (1968)
    Springer
    Cellular and molecular life sciences 24 (1968), S. 1175-1176 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Deux types de liaisons ont lieu quand des ions d'aluminium réagissent avec les parois cellulaires isolées deStraphylococcus aureus espèce 893. La première interaction a comme résultat la formation d'un complexe stable qui affecte des groupes occupant le mur de la cellule avec un pK a ∼ 5. On suppose l'existence d'un composant de surface constitué par de la protéine combinée à de l'acide teichoique. La deuxième liaison consiste en ions interchangeables dans la couche mobile de cations recouvrant la paroi.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02147837
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  • 15
    Electronic Resource
    Electronic Resource
    A method for the computational modelling of dialectical argument with dialogue games (2000)
    Springer
    Artificial intelligence and law 8 (2000), S. 233-254 
    Details
    ISSN: 1572-8382
    Keywords: argument ; dialogue games ; legal information systems ; persuasion ; speech acts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Law
    Notes: Abstract In this paper we describe a method for the specification of computationalmodels of argument using dialogue games. The method, which consists ofsupplying a set of semantic definitions for the performatives making upthe game, together with a state transition diagram, is described in full.Its use is illustrated by some examples of varying complexity, includingtwo complete specifications of particular dialogue games, Mackenzie's DC,and the authors' own TDG. The latter is also illustrated by a fully workedexample illustrating all the features of the game.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008308627745
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  • 16
    Electronic Resource
    Electronic Resource
    Association of allergic bronchial asthma with certain air pollutants and weather parameters (1967)
    Springer
    International journal of biometeorology 11 (1967), S. 119-127 
    Details
    ISSN: 1432-1254
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Description / Table of Contents: Zusammenfassung Bronchialasthma bei Studenten der Universität Minnesota wurde bezüglich der Empfindlichkeit gegen Getreidesamen mit Kontrollgruppen untersucht, um den Einfluss der in der Luft befindlichen Pollen durch nahe gelegene Getreidefelder zu finden. Unter verhältnismässig hohen Konzentrationen wurde beobachtet,dass gegen Getreidesamen empfindliche Studenten doppelt so viele Asthmaanfälle hatten, wie die Kontrollgruppe, die keine signifikante Änderung zeigte. Eine Verbindung von Windrichtung und relativ hohen Staubkonzentrationen mit Asthmaanfällen ergab eine Korrelation von höherer Signifikanz in der sensiblen Gruppe. Weitere Zuordnungen zeigten, dass diese Beziehung nur wenig durch Änderungen von Jahreszeit und Temperatur beeinflusst wird. Es wurde auch beobachtet, dass die Relative Feuchte die Empfindlichkeit gegen Pollen bei entsprechend sensibilisierten Studenten beeinflussen kann. In der Kontrollgruppe zeigten Wetterparameter keine Beziehung zum Asthma.
    Abstract: Resume On a étudié les accès d'asthme bronchial provoqués par les polluants de l'atmosphère provenant d'entreprises travaillant les céréales et situées dans le voisinage du l'Université du Minnesota. Pour ce faire,on s'est servi d'étudiants de la dite Université sensibles aux poussières de céréales d'une part et d'un groupe de contrôle d'autre part. Dans des conditions de poussière relativement forte,on a observé que les étudiants sensibles aux poussières de céréales présentaient une fréquence double d'accès d'asthme alors que le groupe de contrôle n'était pas touché de façon significative. En utilisant une conbinaison des facteurs direction du vent et forte poussière d'une part, accès d'asthme d'autre part,on obtient une corrélation plus significative dans le groupe des gens sensibles.Des combinaisons multiples indiquent que cette corrélation n'est que peu influencée par la saison ou des changements de température. On a aussi remarqué que les conditions d'humidité relative peuvent influencer de façon significative la sensibilité effective aux poussières des étudiants du premier groupe. Quant au groupe de contrôle, on n'a pas trouvé de relation entre les accès d'asthme et les paramètres météorologiques.
    Notes: Abstract Student bronchial asthma at the University of Minnesota was studied in grain sensitive and in control groups to find the influence of air pollutants from nearby grain installations on this problem.Under relatively high dust conditions it was observed that grain sensitive students had a two-fold increase in asthma attacks while the controls showed no significant changes. A combined association of wind direction and relatively high dust conditions with asthma gave a correlation of higher significance in the grain sensitive group. Multiple associations indicated that this relationship is only weakly affected by seasonal and temperature changes. It was also observed that relative humidity conditions may significantly influence the effectiveness of the dust exposure in sensitive students. Weather parameters showed no association with asthma in the control group.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01424280
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  • 17
    Electronic Resource
    Electronic Resource
    Age dependency of serotonin-sensitivity (1968)
    Springer
    Naturwissenschaften 55 (1968), S. 544-545 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00660136
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  • 18
    Electronic Resource
    Electronic Resource
    Yolk utilization in the gastropod Crepidula fornicata (1969)
    Springer
    Marine biology 3 (1969), S. 117-121 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The increases in constituents per unit weight of eggs during embryonic development of the gastropod Crepidula fornicata amounted to 14.6% for ash, 1.0% for protein, and 0.3% for non-protein nitrogen. During the same stages, fat content decreased from 33.7 to 20.3%, carbohydrate from 10.2 to 7.7% and energy content from 6209 to 5298 cal/g dry organic substance. The cumulative efficiencies for yolk utilization were 83.8% for dry weight, 61.0% for energy, 85.1% for protein, 50.7% for fat, and 63.6% for carbohydrate. A single egg contained 0.0269 cal, a single veliger 0.0164 cal. Of the 0.0105 cal expended on metabolic processes of the embryo, oxidation of fat contributed as much as 65.3%, while that of protein and carbohydrate amounted only to 18.8 and 6.3%, respectively. On the basis of ecophysiological considerations, a new classification of eggs is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00353430
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  • 19
    Electronic Resource
    Electronic Resource
    Global Continuation in Displacement Problems of Nonlinear Elastostatics via the Leray-Schauder Degree (2000)
    Springer
    Archive for rational mechanics and analysis 152 (2000), S. 273-282 
    Details
    ISSN: 1432-0673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract: We obtain global solution continua of forced displacement problems of nonlinear elastostatics via a Leray-Schauder scheme. We adopt strong ellipticity as a bsic constitutive hypothesis. The usual Leray-Schauder approach, based in part upon the reduction of the boundary value problem to an operator equation for the zeros of a compact vector field, apparently fails. On the one hand, strong ellipticity alone is not enough to insure “invertibility/rdquo; of the principal, quasilinear part of the differential operator. More importantly, the physical requirement of local injectivity of the deformation and the associated growth of the stored-energy function dictate that ellipticity is not uniform. We demonstrate how to overcome these difficulties. Finally, with additional, physically reasonable restrictions on the stored-energy function, we obtain unbounded branches of classical, globally injective solutions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002050000078
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  • 20
    Electronic Resource
    Electronic Resource
    Effects of Benzo(a)pyrene and Size of Organic Matter Particles on Bioaccumulation and Growth of Asellus aquaticus (2000)
    Springer
    Archives of environmental contamination and toxicology 39 (2000), S. 307-314 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract The effects of sediment-bound toxicants to aquatic invertebrates may vary due to differences in bioavailability, food quality, or food structure. The equilibrium partitioning theory (EPT) assumes that organic matter content of sediments and not structure of organic matter is relevant for biological effects of polycyclic aromatic hydrocarbons. To test this hypothesis effects of benzo(a)pyrene (B(a)P) and size of sediment organic matter particles on the bioaccumulation and growth of the waterlouse Asellus aquaticus were studied in laboratory microcosms. Sediments and A. aquaticus were both sampled in an unpolluted, spring-fed pond. The sampled sediment was divided into two portions. From one portion the size of the organic matter particles was mechanically reduced. One set of each sediment fraction (fine and coarse) was spiked with B(a)P and incubated for 3 weeks resulting in a concentration of 70 mg B(a)P per kg sediment. Bioassays of 32 days were performed in a 2 × 2 factorial design with four replicas of each treatment. The results showed that the growth of A. aquaticus was mainly influenced by the size of organic matter particles. Growth was significantly less (27%) on finer sediments than on coarser sediments. The increase in length was 9–14% lower in the spiked sediments, but this difference was not significant. The reduced growth of A. aquaticus on finer sediments may be due to a change in the availability and/or quality of food together with a change in feeding behavior. The coarse and fine spiked sediment types did not differ significantly with respect to the sediment water partition coefficient, the organic carbon water partition coefficient, and the bioconcentration factor. In contrast, the biota to sediment accumulation factors were significantly 15% higher in the cosms with coarse sediments than in cosms with fine sediments. However, this difference is too small to conflict with EPT.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002440010109
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