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  • 1975-1979  (9)
  • 1960-1964  (1)
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  • 1
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied electrochemistry 6 (1976), S. 283-291 
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Tantalum electrodes covered with oxide films, the thickness of which ranged from 40–90 Å, were investigated. Indium or gold was deposited on the oxide film by the vacuum deposition technique to prevent any change of oxide film properties by polarization. Polarization curves of In¦oxide film¦Ta diodes in a chloride buffer solution of pH 2.3 almost coincided with theI/V curves of them in the solid state. A redox reaction of a ferricyanide/ferrocyanide couple at Au ¦oxide film¦Ta was also perfectly controlled by electron transfer through the insulating oxide layer. Electron conduction with anodic polarization was mainly brought about by the electron tunnelling, while the Schottky emission possibly predominated in the conduction with cathodic polarization. Actual rates of corrosion of indium deposited on the films did not accord with those predicted by extrapolation of polarization curves to the open circuit potential, owing to the high electric resistance of the oxide films.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied electrochemistry 8 (1978), S. 515-522 
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The possibility of the use of modified DSA-type electrodes as positive grids in lead-acid batteries was examined by anodic polarization measurements, charge-discharge tests and self-discharge tests of the Ti/RuO2 and Ti/RuO2/β-PbO2 electrodes. The passivation of a titanium base was retarded by using a very thin film of ruthenium dioxide. The Ti/RuO2/β-PbO2 electrode could be used as a positive grid to a certain extent. On the other hand, the Ti/RuO2 electrode showed the worse characteristics for the positive grid, mainly due to the low oxygen overvoltage of the ruthenium dioxide layer. Some other problems to be solved have also been pointed out.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied electrochemistry 9 (1979), S. 629-634 
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Distribution profiles of dissolved antimony in corrosion films on a Pb-Sb alloy were obtained by means of SIMS in the in-depth mode. The corrosion films were prepared by multi-triangular potential scans of the alloy in 5 M H2SO4. It was found that independent of the final polarization potential the dissolved antimony distributed in such a manner that there was a monotonically increasing trend in the content from the surface of the corrosion film to the lead alloy substratum.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied electrochemistry 9 (1979), S. 635-640 
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The distribution of antimony within the oxide films on Pb-Sb alloy prepared by potentiostatic oxidation in H2SO4 solutions was examined by SIMS. The study of oxide films prepared by applying different potentials for three hours showed that two types of film were obtained depending on whether the potential was more negative or more positive than 1·5 V. Antimony profiles were obtained for films at several stages in the initial growth. It was found that antimony was retained in the oxide film at 1·5 V during both nucleation and two- or three-dimensional growth of PbO2 and at 1·6 V during the lateral overlaps of three-dimensional centres of PbO2. Relationships between the antimony distribution profiles and the oxide film growth are discussed.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of applied electrochemistry 9 (1979), S. 745-751 
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The effect of surface treatment of the titanium base on the characteristics of the DSA-type positive grids and plates was examined, using mechanically polished, sandblasted and chemically etched titanium. It was found that the anodic durability of the grids and the service life of the plates were greatly increased and the self-discharge rate of the DSA-type plates was significantly decreased by sandblasting and chemical etching of the titanium base.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Bulletin of environmental contamination and toxicology 17 (1977), S. 528-533 
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Summary When methyl mercury chloride was administered orally the amount of mercury excretion with feces of germfree mice was noticeably lower than that of the control mice. Germfree mice excreted 24 percent of the administered mercury within 10 days of administration while the control mice excreted 46 percent. Mercury retention in the organs of germfree mice was slightly higher than in the control mice. These results suggest that the existence of microorganisms in animal intestines are concerned with mercury excretion in the animal body.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 6 (1975), S. 277-279 
    ISSN: 1432-0630
    Keywords: Surface analysis ; SIMS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The atomic mixing due to a knock-on cascade has much influence on the depth resolution of ion probe microanalysis. The preliminary experimental results support the assumption that the depth resolution due to this effect is determined by the competition of sputtering rate and creation rate of atomic displacement.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary An inhibitory tripeptide, L-Lys-L-Phe-L-Tyr, caused membrane hyperpolarization of the TAN (tonically autoactive neurone) resulting in an elevated firing level. The tripeptide, however, did not markedly affect either the TAN I–V curve or the firing pattern obtained by transmembrane triangular current injection.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Biological cybernetics 2 (1963), S. 28-32 
    ISSN: 1432-0770
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Computer Science , Physics
    Notes: Abstract An electric analogue model of the neuron is described. The model neuron is composed of the active units which simulate the electric behaviors of the active loci of the membrane of a neuron. The active units include the model axon and the model synapses of six different types (the ordinary, incremental and decremental onse each having the excitatory and the inhibitory types). The properties of the models are described.
    Type of Medium: Electronic Resource
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