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  • Digitale Medien  (8)
  • 1
    Digitale Medien
    Digitale Medien
    Phase relations and the determination of static mass quadrupole moments in the scattering of polarized deuterons
    Amsterdam : Elsevier
    Physics Letters B 116 (1982), S. 109-112 
    Details
    ISSN: 0370-2693
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0370-2693(82)90986-8
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  • 2
    Digitale Medien
    Digitale Medien
    Nuclear quadrupole-quadrupole interaction in the inelastic scattering of aligned deuterons from deformed nuclei (1983)
    Springer
    The European physical journal 314 (1983), S. 49-53 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The 2 1 + -excitation of deformed nuclei by tensor polarized deuterons provides an alignment of both nuclei and thus a means to study specifically the quadrupole-quadrupole interaction between both nuclei. The tensor analyzing powerA xz (θ) has been measured for the elastic and inelastic scattering on24Mg and28Si. The coupled channel analysis including a deformed tensor potential reveals a clear signature of the quadrupole-quadrupole part of the nuclear projectile-target interaction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01411828
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  • 3
    Digitale Medien
    Digitale Medien
    Die Blutentnahme zur Alkoholbestimmung im Rahmen des Verkehrsrechtes (schweizerische Verhältnisse) (1966)
    Springer
    International journal of legal medicine 57 (1966), S. 81-84 
    Details
    ISSN: 1437-1596
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin , Rechtswissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00576137
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  • 4
    Digitale Medien
    Digitale Medien
    Treatment with nimodipine or mannitol reduces programmed cell death and infarct size following focal cerebral ischemia (2000)
    Springer
    Neurosurgical review 23 (2000), S. 145-150 
    Details
    ISSN: 1437-2320
    Schlagwort(e): Key words Focal cerebral ischemia ; Programmed neuronal death ; Nimodipine ; Mannitol ; Cerebroprotection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract  The present study was conducted to evaluate the effects of nimodipine and mannitol on infarct size and on the amount of apoptosis after transient focal cerebral ischemia. Focal cerebral ischemia was induced in male Sprague-Dawley rats (weight 300–380 g) by transient occlusion of the right middle cerebral artery (MCAO) using an intraluminal thread model. All animals underwent ischemia for 2 h, followed by 24 h of reperfusion. Group I (n=16) was untreated. Group II (n=16) received 15% mannitol (1 g/kg as bolus) and group III (n=9) received 15 µg/kg/h nimodipine intravenously beginning 15 min prior to MCAO. Twenty-four hours after reperfusion, the brain was taken and sectioned in coronal slices. The slices were stained with H&E and with the transferase dUTP nick-end labeling (TUNEL) technique. Histopathological analysis revealed a significant (P〈0.05) decrease in infarct size in the striatum with both drugs: mannitol (group II) 25.4±5.9% and nimodipine (group III) 21.5±11.0% versus control (group I) 34.9±7.0% and in the cortex 2.7±2.0% (group II) and 6.3±2.4% (group III) versus control 14.4±9.0% (group I). The number of apoptotic cells was statistically lower in the therapy groups (group III 9.6, group II 25.8) versus control (group I 57.9) (Mann-Whitney-Wilcoxon U-test Z〉1.96, P〈0.05). This study indicates that mannitol and nimodipine provide neuroprotection by preventing both the necrotic and apoptotic components of cell death after transient focal cerebral ischemia and may be effective as neuroprotective drugs for cerebrovascular surgery.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/PL00011946
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  • 5
    Digitale Medien
    Digitale Medien
    Analysis of forming rate sensitive materials (1988)
    Springer
    Acta mechanica 74 (1988), S. 171-184 
    Details
    ISSN: 1619-6937
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Summary To study how the rate of deformation effects forming rate sensitive materials, the Bodner-Partom elastic-viscoplastic constitutive law is incorporated into a finite element program. This law postulates both elastic and plastic components of deformation at any stress level. The stress is a Hookean function of the elastic strain, while the plastic deformation rate is a function of the deviatoric stress and an internal state variable defining the load history. The finite element derivation adopts the small strain assumption with updated coordinates. The equilibrium rate equation is formulated using total velocities with the nonlinearities incorporated into an equivalent plastic load vector depending upon the current stress. The resulting equation explicitly includes time and is a true rate equation. The program calculates the current stress field using the incremental equilibrium equation. An iterative technique is used to ensure that the assumed current load rate used to calculate the current stress field is correct. Convergence of the iteration procedure needs only be monitored at the velocity specified nodes. To demonstrate the applicability of this method, two plane strain problems, a tensile bar and strip rolling, with rate sensitive materials are investigated.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01194349
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  • 6
    Digitale Medien
    Digitale Medien
    On the tensor term in the deuteron optical potential nearE d =20 MeV (1984)
    Springer
    The European physical journal 319 (1984), S. 133-141 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The elastic scattering of vector and tensor polarized deuterons near 20 MeV has been analyzed in terms of the phenomenological optical potential including a complex tensor term ofT R -type. In comparison with folding potentials we find a strong reduction of the real part of theT R -potential with increasing mass number, the contribution of coupling to vibrational excitations is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01415625
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  • 7
    Digitale Medien
    Digitale Medien
    Towards a control model for the Murray Mouth (1996)
    Springer
    Environmental modeling and assessment 1 (1996), S. 37-44 
    Details
    ISSN: 1573-2967
    Schlagwort(e): Murray Mouth ; river flow ; recursive estimation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Energietechnik
    Notizen: Abstract The River Murray in Australia drains an area of one million square kilometres, but in 1981 the mouth closed for some weeks. It is important that this be prevented, as the environmental consequences of permanent closure are severe. The size of the mouth is influenced by wind and wave activity at the mouth, and by the river flow, which is controlled by a system of weirs and barrages. We have been able to demonstrate using recursive estimation techniques that river flow is the most important explanatory variable for mouth size, so that the proper management of flow alone has the potential to prevent future closures.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01874845
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  • 8
    Digitale Medien
    Digitale Medien
    Die Verunreinigung der Atmosphäre durch die Abgase der Motorfahrzeuge (Polizeiliche Vorschriften und ihre Durchsetzung) (1966)
    Springer
    Sozial- und Präventivmedizin 11 (1966), S. 252-256 
    Details
    ISSN: 1420-911X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Résumé La Suisse dispose de bases légales permettant de lutter contre la pollution de l'air provoquée par les véhicules à moteur. Cependant, les prescriptions actuelles, même clairement définies, ne seront pleinement efficaces que si toute infraction est sévèrement punie par les autorités juridiques et administratives.
    Notizen: Zusammenfassung Es darf demnach festgehalten werden, daß in der Schweiz die rechtlichen Grundlagen für die Bekämpfung der Luftverunreinigung durch den Motorfahrzeugverkehr vorliegen. Die bestehenden klaren Vorschriften können indessen ihre volle Wirksamkeit nur dann entfalten, wenn in der Praxis der Gerichts-und Verwaltungsbehörden unnachsichtlich gegen Fehlbare eingeschritten wird.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02031795
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