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  • 11
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1959)
    Springer
    Annals of hematology 5 (1959), S. 422-426 
    Details
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01630285
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  • 12
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1958)
    Springer
    Annals of hematology 4 (1958), S. 41-44 
    Details
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01632148
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  • 13
    Electronic Resource
    Electronic Resource
    Zur Frage der eosinophilen Leukämie (1955)
    Springer
    European journal of pediatrics 77 (1955), S. 208-226 
    Details
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Bericht über einen akut verlaufenen Fall von reifzelliger eosinophiler Leukämie bei einem 7jährigen Knaben. Einige Gesichtspunkte für die Trennung echter eosinophiler Leukosen von leukämieähnlichen Reaktionen („Leukämoiden”) werden entwickelt. Folgende Besonderheiten des vorliegenden Falles werden eingehender besprochen: 1. die eigentümliche Anordnung der eosinophilen Zellen in den Lymphknoten, 2. die Entstehung hyaliner Membranen in den massiv mit Eosinophilen durchsetzten Lungen, 3. histologische und histochemische Beobachtungen über Charcot-Leydensche Kristalle in einigen Organen, 4. die Stellung dieser einerseits reifzelligen, andererseits akut verlaufenden Leukämie innerhalb der Leukosen des Kindes- und Erwachsenenalters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00438269
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  • 14
    Electronic Resource
    Electronic Resource
    Hydrolytic degradation of PCL/PEO copolymers in alkaline media (2000)
    Springer
    Journal of materials science 11 (2000), S. 227-233 
    Details
    ISSN: 1573-4838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Notes: Abstract PCL/PEO copolymers with different compositions were obtained from ring opening polymerization of ε-caprolactone in the presence of ethylene oxide and characterized by various analytical techniques. Data collected from DSC and X-ray diffractometry suggested that the copolymer chains possess a blocky structure, leading to both PCL and PEO-type crystalline structures. Hydrolytic degradation of these copolymers was carried out in a pH=10.6 carbonate buffer solution at 37 °C. Comparison was made with a PCL homopolymer and a PCL/PEG blend which had the same gross composition as one of the copolymers. The results showed that the presence of PEO sequences considerably enhanced the hydrophilicity of the copolymers as compared with PCL homopolymer. Nevertheless, the degradability of PCL chains was not enhanced due to the phase separation between the two components. These materials should be of great interest for biomedical uses such as matrices for sustained drug delivery because of the presence of both hydrophilic and hydrophobic microdomains. ©2000 Kluwer Academic Publishers
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008920326988
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  • 15
    Electronic Resource
    Electronic Resource
    Combinations of Earth-orientation measurements: SPACE97, COMB97, and POLE97 (2000)
    Springer
    Journal of geodesy 73 (2000), S. 627-637 
    Details
    ISSN: 1432-1394
    Keywords: Key words: Earth rotation – Combination – Kalman filter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Abstract. Independent Earth-orientation measurements taken by the space-geodetic techniques of lunar and satellite laser ranging, very-long-baseline interferometry, and the global positioning system have been combined using a Kalman filter. The resulting combined Earth-orientation series, SPACE97, consists of values and uncertainties for universal time, polar motion, and their rates spanning the period 28 September 1976 to 3 January 1998 at daily intervals. The space-geodetic measurements used to generate SPACE97 have then been combined with optical astrometric measurements to form two additional combined Earth-orientation series: (1) COMB97, consisting of values and uncertainties for universal time, polar motion, and their rates spanning the period 20 January 1962 to 1 January 1998 at 5-day intervals, and (2) POLE97, consisting of values and uncertainties for polar motion and its rate spanning the period 20 January 1900 to 21 December 1997 at monthly intervals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001900050001
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  • 16
    Electronic Resource
    Electronic Resource
    Magnetoconductance Fluctuations and Re-entrance Effect in Normal-metal/Superconductor Nanostructures (2000)
    Springer
    Journal of low temperature physics 118 (2000), S. 679-687 
    Details
    ISSN: 1573-7357
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The proximity of a superconductor strongly influences theelectronic properties of a normal metal. We report onmeasurements of the re-entrant behavior of the conductance ofmesoscopic gold/niobium heterostructures. At very lowtemperature a novel peak shows up in the conductance vs.voltage characteristics which can be suppressed by smallmagnetic fields of several mT. Furthermore, the proximityeffect gives rise to unique electronic interferencecontributions resulting in an increase of the rms of theconductance fluctuations by a factor of 2 $$\sqrt 2 $$ in ourheterostructures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004647529550
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  • 17
    Electronic Resource
    Electronic Resource
    Thermal conductivity and thermal Hall effect in Bi- and Y-based high-T c superconductors (2001)
    Springer
    The European physical journal 20 (2001), S. 189-208 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 74.72.-h High Tc compounds – 74.25.Fy Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Measurements of the thermal conductivity (kxx) and the thermal Hall effect (kxy) in high magnetic fields in Y- and Bi-based high-T c superconductors are presented. We describe the experimental technique and test measurements on a simple metal (niobium). In the high-T c superconductors kxx and kxy increase below T c and show a maximum in their temperature dependence. kxx has contributions from phonons and quasiparticle (QP) excitations, whereas kxy is purely electronic. The strong increase of kxy below T c gives direct evidence for a strong enhancement of the QP contribution to the heat current and thus for a strong increase of the QP mean free path. Using kxy and the magnetic field dependence of kxx we separate the electronic thermal conductivity ( k xx el ) of the CuO 2 -planes from the phononic thermal conductivity ( k xx ph ). In YBa2Cu3O 7 - δ k xx el shows a pronounced maximum in the superconducting state. This maximum is much weaker in Bi2Sr2CaCu2O 8 + δ , due to stronger impurity scattering. The maximum of k xx el is strongly suppressed by a magnetic field, which we attribute to the scattering of QPs on vortices. An additional magnetic field independent contribution to the maximum of kxx occurs in YBa2Cu3O 7 - δ , reminiscent of the contribution of the CuO-chains, as determined from the anisotropy in untwined single crystals. Our data analysis reveals that below T c as in the normal state a transport (τ) and a Hall ( ) relaxation time must be distinguished: The inelastic (i.e. temperature dependent) contribution to τ is strongly enhanced in the superconducting state, whereas displays the same temperature dependence as above T c . We determine also the electronic thermal conductivity in the normal state from kxy and the electrical Hall angle. It shows an unusual linear increase with temperature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00011098
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  • 18
    Electronic Resource
    Electronic Resource
    Kinetics of spherulite and crystallite growth in isotactic polystyrene (1959)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Polymer Science 40 (1959), S. 159-168 
    Details
    ISSN: 0022-3832
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The rates of spherulite and crystal growth in isotactic polystyrene have been studied as a function of temperature by microscopic, x-ray, and density methods. The effects of molecular weight and degree of isotacticity upon the spherulite growth are shown. Degree of isotacticity is the predominant factor in growth rate. Maximum rate of spherulite growth was observed at 175°C., while the maximum rate of crystal growth was observed at 190°C. Some evidence exists that polystyrenes made with the use of heterogeneous catalysts of the Ziegler type consist of heterogeneous blocks of isotactic and atactic polymers rather than polyblends.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1959.1204013612
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