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  • 1
    Electronic Resource
    Electronic Resource
    Transient dynamics of a single-mode semiconductor laser subjected to both optical feedback and external light injection (1995)
    Springer
    Optical and quantum electronics 27 (1995), S. 755-760 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract The transient dynamics of a single-mode semiconductor laser subjected to both weak optical feedback and light injection is studied. Even at detuning values for which injection locking is not effective, turn-on jitter and frequency jitter can still be strongly reduced by adjusting either the length of the external cavity or the detuning.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00576727
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  • 2
    Electronic Resource
    Electronic Resource
    Electrogenerative formation of ferric ions in a sulfur dioxide–sulfuric acid solution; Graphite catalysed sulfur dioxide oxidation (1998)
    Springer
    Journal of applied electrochemistry 28 (1998), S. 1127-1136 
    Details
    ISSN: 1572-8838
    Keywords: ferrous inhibition ; mediated oxidation ; remediation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The electrogenerative oxidation of ferrous ions in 3m sulfuric acid, containing sulfur dioxide and subsequent sulfur dioxide oxidation, were studied in connection with potential regenerable sulfur dioxide remediation processes. The presence of sulfur dioxide in the feed stream did not affect cell performance. Oxidation of sulfur dioxide in the electrogenerative reactor took place when high ferrous to ferric ion conversions were obtained. Low cost graphite and iron ions served as an effective mediating system for promoting electron transfer to sulfur dioxide in strong acid solutions. In contrast, the homogenous reaction between iron(iii) and sulfur dioxide is relatively slow. In a separate batch reactor, the heterogeneous iron(iii) and sulfur dioxide reaction was found to be graphite catalysed, accounting for sulfur dioxide conversion observed in the electrogenerative reactor. Ferrous ion presence should be minimized, because it inhibits the desired catalysed reaction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003456114113
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  • 3
    Electronic Resource
    Electronic Resource
    Characterization of zinc–nickel alloys obtained from an industrial chloride bath (1998)
    Springer
    Journal of applied electrochemistry 28 (1998), S. 1113-1120 
    Details
    ISSN: 1572-8838
    Keywords: zinc–nickel electrocoatings ; characterization ; electrochemical corrosion ; residual stress
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Zinc–nickel electrocoatings obtained from an industrial bath containing two additives were characterized by analysing their morphology, structure, microhardness, residual stress and corrosion resistance. Changes in deposit characteristics following the addition of saccharin were also studied. All coating, with or without saccharin, presented a good appearance, good mechanical properties and a high corrosion resistance. Moreover, by varying certain plating conditions it was observed that the deposits maintained their properties over a wide interval of experimental conditions, which suggests their suitability for use in batch bath.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003461109203
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  • 4
    Electronic Resource
    Electronic Resource
    Recent developments in the technology of sulphur dioxide depolarized electrolysis (1981)
    Springer
    Journal of applied electrochemistry 11 (1981), S. 347-355 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract The use of sulphur dioxide as an anode depolarizer in the electrolytic production of hydrogen can considerably reduce the electrical energy input to the electrolyzer. The present work deals with developments in the technology of SO2-depolarized electrolysis. Recent achievements in electrode fabrication techniques and optimization of cell configuration have resulted in substantial improvements in both cell potential and performance stability. While operating in 50 wt% sulphuric acid at 50° C and 1 atm, the measured cell potentials at 200 and 400mA cm−2 were ≈ 0.77 and 1.05V (including ohmic losses), respectively. A cell endurance test, performed at a constant current density of 100mA cm−2, indicated that a stabilized cell potential of ≈ 675 mV was achieved after 80 hours of continuous operation. The resulting gas from the test cell contained 98.7 vol% hydrogen. The effect of acid concentration in the range 10–60 wt% on the performance characteristics of an SO2-depolarized electrolyzer was also investigated. Experimental results revealed that the optimum acid concentration for operating SO2-depolarized electrolyzers is approximately 30 wt%. The observed cell potential was only 0.71 V at 200mA cm−2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00613954
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  • 5
    Electronic Resource
    Electronic Resource
    Fibrés d'intersection (2000)
    Springer
    Compositio mathematica 124 (2000), S. 219-252 
    Details
    ISSN: 1570-5846
    Keywords: intersection ; intersection bundle ; Noetherian schemes ; Chern classes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Let f:X→Sbe a projective morphism of Noetherian schemes. We assume fpurely of relative dimension dand finite Tor-dimensional. We associate to d+1 invertible sheaves $$L{\text{,}}...{\text{,}}L_{d + 1}$$ on Xa line bundle I X/S ( $$L{\text{,}}...{\text{,}}L_{d + 1}$$ ) on Sdepending additively on the $$L_{\text{1}}$$ , commuting to ‘good’ base changes and which represents the integral along the fibres of fof the product of the first Chern classes of the $$L_{\text{1}}$$ . If d=0, I X/S ( $$L$$ ) is the norm N X/S ( $$L$$ ).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1026552909918
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  • 6
    Electronic Resource
    Electronic Resource
    Azadirachtin inhibits Trypanosoma cruzi infection of its triatomine insect host, Rhodnius prolixus (1989)
    Springer
    Naturwissenschaften 76 (1989), S. 77-78 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00396712
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  • 7
    Electronic Resource
    Electronic Resource
    Liver Cell Estrogen Receptor Binding in Prespawning Female Largemouth Bass, Micropterus salmoides, Environmentally Exposed to Polychlorinated Biphenyls (1997)
    Springer
    Archives of environmental contamination and toxicology 32 (1997), S. 309-315 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract. Estrogen-receptor–like binding was partially characterized in liver tissue of prespawning female largemouth bass, Micropterus salmoides (LMB). Saturation and Scatchard analyses exhibited estrogen binding activity with high affinity (Kd in the 10−9 M range) and limited capacity (nuclear = 37.4 fmol/g tissue; cytosol = 234 fmol/g tissue). Androgens, progestins, and cortisol competed poorly for binding in competition studies. Thus, LMB liver estrogen binding activity possesses similar properties to estrogen receptors (ER) described in other vertebrates. In a study of prespawning female LMB from Lake Hartwell, SC/GA, a reservoir contaminated by polychlorinated biphenyls (PCBs), individuals environmentally exposed to high levels of PCBs had significantly lower ER binding capacity (Bmax) and higher nonspecific binding (NS) than fish from a relatively uncontaminated reference location. Fish obtained at a site with intermediate levels of PCBs did not exhibit the expected decrease in Bmax. The lower Bmax observed in fish from the location with high PCB contamination is consistent with the reported behavior of liver ER in fish experimentally exposed to PCBs. Increased NS in the ER assays could be related to elevations in albumin associated with the PCB exposure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002449900190
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  • 8
    Electronic Resource
    Electronic Resource
    Toxicity Assays and Naphthalene Utilization by Natural Bacteria Selected in Marine Environments (1998)
    Springer
    Bulletin of environmental contamination and toxicology 61 (1998), S. 370-377 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001289900772
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  • 9
    Electronic Resource
    Electronic Resource
    Measurement of neutron emission from Ti and Pd in pressurized D2 gas and D2O electrolysis cells (1990)
    Springer
    Journal of fusion energy 9 (1990), S. 495-506 
    Details
    ISSN: 1572-9591
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Experiments using high-efficiency neutron detectors have detected neutron emission from various forms of Pd and Ti metal in pressurized D2 gas cells and D2O electrolysis cells. Four independent neutron detectors based on3He gas tubes were used. Both random neutrons (0.05–0.2 n/s) and time-correlated neutron bursts (10–280 n) of ≤100-μs duration were measured using time-correlation counting techniques. The majority of the neutron burst events occurred at ∼ −30°C as the samples were warming up from the liquid nitrogen temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01588287
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  • 10
    Electronic Resource
    Electronic Resource
    A modelling of accurate reduced-dimensionality quantum probabilities for H(D,T)+Cl2 reactions (1990)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 12 (1990), S. 1539-1551 
    Details
    ISSN: 0392-6737
    Keywords: Specific chemical reaction ; reactions mechanism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary The effect of isotope substitutions on reactive probabilities and product vibrational distributions of the reaction of Cl2 with H has been investigated using collinear accurate quantum techniques. The behaviour of the reactive probability with energy has been parameterized with the aid of quasi-classical trajectory results while detailed distributions have been modelled in terms of a Franck-Condon treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02452122
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