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  • 1995-1999  (5)
  • 1990-1994  (2)
  • 1995  (5)
  • 1992  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Visualization of temperature fields and double-diffusive convection using liquid crystals in an aqueous solution crystallizing along a vertical wall (1992)
    Springer
    Experiments in fluids 12 (1992), S. 245-250 
    Details
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract This article presents a simple technique for temperature visualization using liquid crystals in an aqueous solution during the process of cooling and solidification. This method provides a clear picture of the role of double-diffusive convection in producing vertical compositional and density stratification in an initially homogeneous liquid during solidification.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00187302
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Inhibition of sulfate excretion by (aminooxy)acetate induced stimulation of taurine excretion in rats (1995)
    Springer
    Amino acids 8 (1995), S. 345-352 
    Details
    ISSN: 1438-2199
    Keywords: Amino acids ; Cysteine metabolism ; Sulfate formation ; Taurine formation ; Hypotaurine ; Sulfur equilibrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary l-Cysteine is mainly metabolized to sulfate and taurine through cysteinesulfinate pathway. Alternatively, sulfate is formed in rat liver mitochondria via 3-mercaptopyruvate pathway. Intraperitoneal administration of 5 mmol ofl-cysteine per kg of body weight resulted in the increase in sulfate and taurine (plus hypotaurine) excretion in the 24-h urine, which corresponded to 45.3 and 29.3%, respectively, ofl-cysteine administered. Subcutaneous injection of (aminooxy)acetate, a potent inhibitor of transaminases, together withl-cysteine halved the sulfate excretion and doubled the taurine excretion. In vitro sulfate formation froml-cysteine and froml-cysteinesulfinate in rat liver mitochondria was inhibited by (aminooxy)-acetate. The sulfate-forming activity of liver mitochondria obtained from rats injected with (aminooxy) acetate was also inhibited. These results indicate that the transamination reaction is crucial in sulfate formation and in the regulation of sulfur metabolism. Sulfur equilibrium in mammals was discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00806552
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Effect of niobium content on creep strength of cold-worked 15Cr-15Ni-2.5Mo austenitic steel (1995)
    Springer
    Journal of materials science 14 (1995), S. 297-301 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00275629
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Dispersion behaviour of oxide particles in mechanically alloyed ODS steel (1995)
    Springer
    Journal of materials science 14 (1995), S. 1600-1603 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00455428
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Light scattering study on the micellar systems solubilizing a fatty acid (1995)
    Springer
    Colloid & polymer science 273 (1995), S. 1055-1059 
    Details
    ISSN: 1435-1536
    Keywords: Solubilization ; micelle ; aggregational state ; light scattering ; oleic acid ; reconstitution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The effect of oleic acid on the aggregational behavior of the α-sulfonated fatty acid methyl ester sodium salt (α-SFMe) and sodium linear C12/C14-alkylbenzene-sulfonate (LAS) has been studied using a light-scattering method. The solubilizing capacity of α-SFMe was larger than that of LAS, and depended both on the number of micelles in the surfactant solution and the solubilized amount per micelle. When the micellar weights for the α-SFMe and LAS systems were determined at the various oleic acid/surfactant ratios, the micellar weights initially decreased by small amounts of solubilizate and then increased with the further increase in the solubilized amounts. It was found that the solubilization process is accompanied by a reconstitution of the micelles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00657673
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Olfactory disturbances caused by the anti-cancer drug tegafur (1995)
    Springer
    European archives of oto-rhino-laryngology and head & neck 252 (1995), S. 48-52 
    Details
    ISSN: 1434-4726
    Keywords: Tegafur ; Bromodeoxyuridine ; Proliferating cell nuclear antigen ; Immunohistochemistry ; Cell mitoses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Olfactory disturbances induced by the anticancer drug tegafur were studied in separate clinical and experimental investigations. Five patients with olfactory dysfunction after tegafur were studied and were found to have normal endoscopic findings of the olfactory cleft mucosa. The average period for drug administration was 22 months. Recovery from the olfactory disturbance was poor and biopsy of the olfactory mucosa revealed severely degenerated epithelium. In experimental studies in a guinea pig animal model, effects of oral tegafur on mitotic cells in the olfactory epithelium were examined using bromodeoxyuridine (BrdU) uptake as index. At the conclusion of 3 weeks' treatment, no pronounced morphological changes were seen, but the number of BrdU-incorporating cells decreased in proportion to the dose of tegafur used. Following long-term administration of tegafur 18 months, mitotic cells reacting to BrdU or proliferating cell nuclear antigen had virtually disappeared, indicating persistent inhibition of mitotic cell activity. Morphological changes present included decreased olfactory cell numbers, loss of cells in areas just above basal cells and degeneration of the mucous layer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00171440
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Polarized heavy ion source based on spin and charge exchange collisions and laser optical pumping (1992)
    Springer
    Hyperfine interactions 74 (1992), S. 205-215 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A polarized heavy ion source based on spin and charge exchange collisions and laser optical pumping succeeded in producing a nuclear polarized3He+ beam. A brief description is given on a prerequisite as a practical heavy ion source and on an external injection system by which the polarized3He beam will be injected into the RCNP isochronous cyclotron.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02398630
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    Paper (German National Licenses)
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