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  • 1
    Electronic Resource
    Electronic Resource
    Glucose entry rate in dairy cattle as determined by stable isotope ^1^3C-labelled glucose at different stages of reproduction
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 100 (1991), S. 167-171 
    Details
    ISSN: 0305-0491
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0305-0491(91)90101-I
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  • 2
    Electronic Resource
    Electronic Resource
    An outbreak of enteric redmouth disease in West Germany (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish diseases 6 (1983), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2761.1983.tb00080.x
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  • 3
    Electronic Resource
    Electronic Resource
    Experimental investigation of muon-induced fusion in liquid deuterium
    Amsterdam : Elsevier
    Nuclear Physics, Section A 493 (1989), S. 397-411 
    Details
    ISSN: 0375-9474
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(89)90094-8
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  • 4
    Electronic Resource
    Electronic Resource
    From solar proton burning to pionic deuterium through the Nambu-Jona-Lasinio model of light nuclei (2005)
    Springer
    The European physical journal 23 (2005), S. 1-6 
    Details
    ISSN: 1434-601X
    Keywords: 11.10.Ef Lagrangian and Hamiltonian approach ; 13.75.Gx Pion-baryon interactions ; 36.10.-k Exotic atoms and molecules (containing mesons, muons, and other unusual particles) ; 26.65.+t Solar neutrinos
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. Within the Nuclear Nambu-Jona-Lasinio model of light nuclei (the NNJL model), describing strong low-energy nuclear interactions, we compute the width of the energy level of the ground state of pionic deuterium. The theoretical value fits well the experimental data. Using the cross-sections for the reactions νe + d → p + p + e- and νe + d → p + n + νe, computed in the NNJL model, and the experimental values of the events of these reactions, detected by the SNO Collaboration, we compute the boron neutrino fluxes. The theoretical values agree well with the experimental data and the theoretical predictions within the Standard Solar Model by Bahcall. We argue the applicability of the constraints on the astrophysical factor for the solar proton burning, imposed by helioseismology, to the width of the energy level of the ground state of pionic deuterium. We show that the experimental data on the width satisfy these constraints. This testifies an indirect measurement of the recommended value of the astrophysical factor for the solar proton burning in terrestrial laboratories in terms of the width of the energy level of the ground state of pionic deuterium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epja/i2004-10070-4
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  • 5
    Electronic Resource
    Electronic Resource
    Ethylene oligomerization on heterogenized titanium and zirconium complexes (1979)
    Springer
    Reaction kinetics and catalysis letters 11 (1979), S. 301-305 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Наряду с другими продуктами были получены высшие олефины линейной структуры в олигомеризации этилена при низкой температуре с селективностью 30–58 вес.% и линейностью до 85%. Активированные титан- и цирконий-содержащие комплексы, используемые в качестве катализаторов, были закреплены на SiO2 через связанные на поверхности бидентатные S- и N-содержащие лиганды. При этом первые оказались лучшими, чем последние, с точки зрения качества продукта.
    Notes: Abstract Besides other products, linear middle-range olefins were obtained in the low temperature oligomerization of ethylene with a selectivity of 30–58% and a linearity up to 85%. Activated ticanium and zirconium complexes as catalysts were attached to SiO2 through surface bounded bidentate S- and N-containing ligands, the former being superior to the latter with respect to product quality.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02079716
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  • 6
    Electronic Resource
    Electronic Resource
    On kaonic deuterium. Quantum field-theoretic and relativistic covariant approach (2005)
    Springer
    The European physical journal 23 (2005), S. 79-111 
    Details
    ISSN: 1434-601X
    Keywords: 11.10.Ef Lagrangian and Hamiltonian approach ; 11.55.Ds Exact S matrices ; 13.75.Gx Pion-baryon interactions ; 36.10.-k Exotic atoms and molecules (containing mesons, muons, and other unusual particles)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. We study kaonic deuterium, the bound K-d state AK d. Within a quantum field-theoretic and relativistic covariant approach we derive the energy level displacement of the ground state of kaonic deuterium in terms of the amplitude of K-d scattering for arbitrary relative momenta. Near threshold our formula reduces to the well-known DGBT formula. The S-wave amplitude of K-d scattering near threshold is defined by the resonances Λ(1405), Σ(1750) and a smooth elastic background, and the inelastic channels K-d → NY and K-d → NYπ, where Y = Σ±,Σ{0} and Λ{0}, where the final-state interactions play an important role. The Ericson-Weise formula for the S-wave scattering length of K-d scattering is derived. The total width of the energy level of the ground state of kaonic deuterium is estimated using the theoretical predictions of the partial widths of the two-body decays AKd → NY and experimental data on the rates of the NY pair production in the reactions K-d → NY. We obtain Γ{1s} = (630±100)eV. For the shift of the energy level of the ground state of kaonic deuterium we predict ε{1s} = (325±60)eV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epja/i2004-10055-3
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  • 7
    Electronic Resource
    Electronic Resource
    Crystallinity and lateral crystallite size of different UHMW PE materials (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 42 (1991), S. 863-866 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Nascent high-molecular-weight (UHMW) polyethylene (PE) samples of different origins show a rather high crystallinity of about 70-75% and contain both a major portion of orthorhombic extended chain crystallites and a minor portion of triclinic crystallites. The triclinic content is greater the higher the molecular weight of the sample and the higher the activity of the used catalyser. A melting / recooling treatment results in a reduction of crystallinity by about 15-25% and disappearance of the triclinic phase. Further, an irreversible conversion of nascent orthorhombic extended chain crystallites to orthorhombic folded chain crystallites of increased lateral dimensions and crystalline perfections takes place during the melting / recooling treatment. The results are compared to those obtained for lower-molecular-weight PE samples and for high-strength / modulus PE fibers of different origins.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1991.070420332
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  • 8
    Electronic Resource
    Electronic Resource
    Über Mischsalzkontakte. XVII. Selektive Hydrierung von Cyclopropan und Propen an Nickelkontakten. III (1963)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 324 (1963), S. 146-156 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Ni-containing carrier catalysts are not only modified for the selective hydrogenation of propene by the addition of ZnO or CdO, but also by metallic Zn or Cd being free from oxide. In the case of adding Zn, only a relatively large amount of the additive is effective; it can, however, be limited by heating the complete catalyst in hydrogen atmosphere (500°C; 2 hours).The possible formation of “surface alloys” is discussed.
    Notes: Außer Zinkoxid und Cadmiumoxid sind auch die entsprechenden reinen, oxidfrei hergestellten Metalle in der Lage, nickelhaltige Trägerkontakte für die selektive Hydrierung von Propen zu modifizieren. Namentlich beim Zink sind dafür größere Mengen erforderlich. Erhitzt man jedoch den fertigen Kontakt im Wasserstoffstrom für 2 Stunden auf 500° C, so ist bereits mit wesentlich geringeren Zinkmengen eine Selektivierung zu erreichen; dabei geht allerdings auch die Gesamtaktivität des Kontaktes zurück. Die Möglichkeit der Bildung sogenannter “Oberflächenlegierungen” wird diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19633240304
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  • 9
    Electronic Resource
    Electronic Resource
    Über den Zusammenhang zwischen Acidität und katalytischer Aktivität an hydratisierten Zinkoxidoberflächen (1967)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 355 (1967), S. 242-252 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The total surface acidity and the acid strength distribution of acidic centres was determined from acidity measurements of partially dehydrated zinc oxide surfaces by n-butylamine titration using appropriate Hammett indicators. A correlation was observed between acidity and catalytic activity on the isomerisation of cyclopropane. The content of nonstoichiometric zinc did not directly effect the catalytic activity.
    Notes: Aus Aciditätsmessungen an partiell dehydratisierten Zinkoxidoberflächen mittels n-Butylamintitration und unter Verwendung geeigneter Hammett-Indikatoren wurde Anzahl und Stärke von sauren Zentren ermittelt. Es besteht eine Korrelation zwischen Oberflächenacidität und katalytischer Aktivität hinsichtlich der Isomerisierung von Cyclopropan. Ein direkter Zusammenhang zwischen katalytischer Aktivität und Gehalt an Überschußzink wurde nicht gefunden.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19673550505
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  • 10
    Electronic Resource
    Electronic Resource
    Über Mischsalzkontakte. XIV. Selektive Hydrierung von Cyclopropan und Propen an Nickelkontakten. I (1962)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 314 (1962), S. 167-178 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The hydrogenation of propene and cyclopropane occuring on doted Ni-containing carrier oxides (Al2O3, MgO, SiO2) has been investigated. By doting with Zn, Cd, and their oxides (all being n-conducting), first the hydrogenation of cyclopropane is poisoned. At higher amounts of the doted components, the hydrogenation of propene is stopped, too. Cd and CdO have a ten-fold efficiency than Zn and ZnO, respectively.
    Notes: Es wurde die Hydrierung von Propen und die destruktive Hydrierung von Cyclopropan an dotierten nickelhaltigen Trägerkontakten untersucht. Als Träger fanden Al2O3, MgO und SiO2 Verwendung; die Dotierung erfolgte mit Zink, Cadmium und deren Oxyden. Durch die n-Leiterwirkung dieser Oxyde auf das Nickel wird zunächst die Hydrierung von Cyclopropan vergiftet, während bei Zugabe größerer Mengen der Dotierungskomponente auch die Hydrierung von Propen zum Erliegen kommt. Cadmium und Cadmiumoxyd haben eine etwa 10fach bessere Wirkung als die entsprechenden Zinkverbindungen.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19623140306
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