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  • 1990-1994  (3)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Fluoroquinolones in the treatment of typhoid fever and the carrier state (1991)
    Springer
    European journal of clinical microbiology & infectious diseases 10 (1991), S. 334-341 
    Details
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Typhoid fever remains an important public health problem throughout the world with a higher morbidity and mortality rate in the developing countries. Early establishment of the diagnosis and prompt initiation of treatment with chloramphenicol, ampicillin or trimethoprim-sulfamethoxazole is not necessarily followed by complete resolution of the infection. Between 1 % and 6 % of patients with typhoid fever become chronic biliary carriers ofSalmonella typhi. These carriers are potential factors in the continued transmission of the disease. The increasing emergence worldwide of strains showing multiple resistance to the agents traditionally used in therapy has encouraged investigators to seek alternatives such as third generation cephalosporins and recently the new 4-quinolones, which have greater activity againstSalmonella typhi including multi-resistant strains. The fluoroquinolones seem to be the treatment of choice in those regions where resistant strains ofSalmonella typhi are prevalent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01967008
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    TDPAC characterization of tin oxides using181Ta (1991)
    Springer
    Hyperfine interactions 62 (1991), S. 353-358 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In connection with a general study of the evolution of tin-oxygen thin films, we report here on the hyperfine interactions of181Ta substitutionally replacting tin in the isolated phases SnO and SnO2. For this purpose, pure SnO pressed powder and a thin SnO2 film were implanted with181Hf. In both cases, unique quadrupole frequencies were found after thermal annealing treatments. The results indicate that the following hyperfine parameters: υ Q = 740.6(2.1) MHz, η=0.07(2) and υ Q = 971.5(1.9) MHz, η=0.72(1) characterize181Ta in SnO and SnO2, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02397714
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    TDPAC experiments in111In-implanted niobium oxides (1990)
    Springer
    Hyperfine interactions 60 (1990), S. 679-682 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract TDPAC measurements were carried out on111In-implanted α-Nb2O5 samples at room temperature, after isochronal annealings up to 1270 K in 200 mbar oxygen and up to 1070 K in 10−5 mbar, respectively. The observed hyperfine interactions were compared to point charge model calculations which predict 15 and 2 equivalent cation sites in α-Nb2O5 and NbO2. The data in each system could be reproduced with one antishielding factor β=Vzz exp/Vzz pc for all sites, i. e. β(Nb2O5)=19.2 and β(NbO2)=31.2, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02399844
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    Paper (German National Licenses)
    Fulltext
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