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  • Chemistry  (2)
  • Key words. Minimum capacity cuts, Experimental performance evaluation, Computational comparisons, Literate programming, Algorithm engineering.  (1)
  • acebutolol  (1)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Practical Performance of Efficient Minimum Cut Algorithms (2000)
    Springer
    Algorithmica 26 (2000), S. 172-195 
    Details
    ISSN: 1432-0541
    Keywords: Key words. Minimum capacity cuts, Experimental performance evaluation, Computational comparisons, Literate programming, Algorithm engineering.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract. In the late eighties and early nineties, three major exciting new developments (and some ramifications) in the computation of minimum capacity cuts occurred and these developments motivated us to evaluate the old and new methods experimentally. We provide a brief overview of the most important algorithms for the minimum capacity cut problem and compare these methods both with problem instances from the literature and with problem instances originating from the solution of the traveling salesman problem by branch-and-cut.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004539910009
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Multicentre comparison of the antihypertensive effect of acebutolol and hydrochlorothiazide in uncomplicated mild-moderate hypertension in the elderly (1985)
    Springer
    European journal of clinical pharmacology 29 (1985), S. 275-279 
    Details
    ISSN: 1432-1041
    Keywords: hypertension ; acebutolol ; hydrochlorothiazide ; elderly ; cross-over trial ; blood pressure reduction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary To evaluate the efficacy of acebutolol, 400–600 mg/day in elderly hypertensive patients, and to compare it with hydrochlorothiazide 25–50 mg/day, 45 patients with mild-moderate uncomplicated hypertension were treated for 6 weeks in a multicentre, single-blind, randomized, crossover trial. Acebutolol decreased supine systolic blood pressure from 186.5 to 162.7 mmHg and diastolic blood pressure from 107.4 to 92.4 mmHg. Hydrochlorothiazide decreased systolic blood pressure from 185.0 to 166.4 and diastolic blood pressure from 107.2 to 96.4. There was no difference between the effects of acebutolol and hydrochlorothiazide on blood pressure during the trial. Both drugs proved to be safe and effective antihypertensive agents, provided the major contraindications for their use were taken into account. Beta-blockade by acebutolol was highly effective in treating mild-moderate arterial hypertension in the elderly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00544080
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Intramolecular isotopic order in biologically produced acetic acid (1974)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 1 (1974), S. 172-174 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Acetic acid isolated from cider vinegar and inorganically synthesized glacial acetic acid have markedly different intramolecular isotopic distributions of the stable carbon isotopes. Carbon-12 is concentrated in the methyl group relative to the carboxyl group in the biologically produced acid. The reverse distribution is observed in the particular sample of glacial acetic acid examined here.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200010306
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Intramolecular carbon isotopic distribution in biologically produced acetoin (1974)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 1 (1974), S. 415-417 
    Details
    ISSN: 1052-9306
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The concentrations of carbon-13 in the individual carbon atoms of 3-hydroxy-2-butanone (acetoin) from apple cider vinegar decrease with decreasing oxidation level in the sequence .Because the distributions of isotopes within biological compounds are controlled by kinetic and equilibrium effects, intramolecular isotopic analyses may provide a means of defining the equilibria between metabolic pathways and of recognizing the molecular remnants of pre-existent organisms in geological samples.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bms.1200010609
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    Paper (German National Licenses)
    Fulltext
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