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  • 1
    Electronic Resource
    Electronic Resource
    Serum and erythrocyte magnesium in critically ill patients (1996)
    Springer
    Intensive care medicine 22 (1996), S. 724-727 
    Details
    ISSN: 1432-1238
    Keywords: Key words Intracellular magnesium ; Magnesium ; Magnesium deficiency ; Prognosis in intensive care unit
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objectives: To evaluate the prevalence of serum and erythrocyte magnesium (Mg) abnormalities in patients on admission to the intensive care unit (ICU) and to test the hypothesis that low levels of Mg are associated with a higher mortality. Design: Prospective study. Setting: 14-bed ICU in a 1000-bed teaching hospital. Patients: 179 consecutive patients admitted over a 4-month period. Measurements: Total serum Mg (Mgs) and erythrocyte Mg (Mge) were determined on admission by atomic absorption spectrophotometry. Severity of illness was assessed by Acute Physiology and Chronic Health Evaluation (APACHE) II and the number of organ system failures (OSF) during the first 24 h. The patients were followed up until discharge from hospital. Main results: On admission, 79 patients (44%) were hypomagnesemic and 10 (6%) were hypermagnesemic. A low level of Mge was observed in 119 patients (66%). In patients with similar APACHE II scores and OSF numbers, more of those with hyperMgs died during their ICU stay. However, the Mge value on admission did not correlate with patient outcome. Conclusions: We confirm the high prevalence of Mgs abnormalities as well as Mg deficiency on admission to a medical ICU. Low levels of Mgs and Mge are not associated with higher fatality. HyperMgs was associated with patient death.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01709512
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Serum and erythrocyte magnesium in critically ill patients (1996)
    Springer
    Intensive care medicine 22 (1996), S. 724-727 
    Details
    ISSN: 1432-1238
    Keywords: Intracellular magnesium ; Magnesium ; Magnesium deficiency ; Prognosis in intensive care unit
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objectives To evaluate the prevalence of serum and erythrocyte magnesium (Mg) abnormalities in patients on admission to the intensive care unit (ICU) and to test the hypothesis that low levels of Mg are associated with a higher mortality. Design Prospective study. Setting 14-bed ICU in a 1000-bed teaching hospital. Patients 179 consecutive patients admitted over a 4-month period. Measurements Total serum Mg (Mgs) and erythrocyte Mg (Mge) were determined on admission by atomic absorption spectrophotometry. Severity of illness was assessed by Acute Physiology and Chronic Health Evaluation (APACHE) II and the number of organ system failures (OSF) during the first 24 h. The patients were followed up until discharge from hospital. Main results On admission, 79 patients (44%) were hypomagnesemic and 10 (6%) were hypermagnesemic. A low level of Mge was observed in 119 patients (66%). In patients with similar APACHE II scores and OSF numbers, more of those with hyperMgs died during their ICU stay. However, the Mge value on admission did not correlate with patient outcome. Conclusions We confirm the high prevalence of Mgs abnormalities as well as Mg deficiency on admission to a medical ICU. Low levels of Mgs and Mge are not associated with higher fatality. HyperMgs was associated with patient death.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01709512
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Contrôle Optimal de Systèmes Gouvernés par des Problèmes aux Valeurs Propres (1976)
    Springer
    Applied mathematics & optimization 3 (1976), S. 291-320 
    Details
    ISSN: 1432-0606
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract In this paper, we study the optimal control of systems governed by an eigenvalue problem. We prove the existence of an optimal control and we obtain first order optimality conditions. We present also two numerical examples and we give the complete solution of both problems, involving approximation by the finite element method and minimization by a gradient method. Finally numerical algorithms are detailed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01448183
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Buckling of a viscoelastic rod (1984)
    Springer
    Archive for rational mechanics and analysis 85 (1984), S. 251-277 
    Details
    ISSN: 1432-0673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00250913
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Inéquations d'evolution paraboliques avec convexes dépendant du temps. Applications aux inéquations quasi-variationnelles d'evolution (1977)
    Springer
    Archive for rational mechanics and analysis 64 (1977), S. 59-91 
    Details
    ISSN: 1432-0673
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00280179
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    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Flambage de plaques élastoplastiques (1981)
    Springer
    Annali di matematica pura ed applicata 128 (1981), S. 51-83 
    Details
    ISSN: 1618-1891
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary We consider a model, introduced by Do describing the equilibrium of an elastoplastic plate to which we apply, on the edges forces lying in the plane of the plate, and inside, distributed forces in the orthogonal direction. After having set the problem in terms of calculus of variations, we obtain, in a general framework, results of existence and results of bifurcation for the homogeneous problem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01789467
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    Paper (German National Licenses)
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