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  • 1985-1989  (6)
  • 1960-1964
  • 1880-1889
  • 1988  (6)
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  • 1985-1989  (6)
  • 1960-1964
  • 1880-1889
Year
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  • 1
    Electronic Resource
    Electronic Resource
    On the rotation axis of comet Halley (1988)
    [s.l.] : Nature Publishing Group
    Nature 333 (1988), S. 146-148 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Figure 1 a, c, and d shows one high-resolution image of comet Halley taken at the South African Astrophysical Observatory (SAAO)2 and two images taken at the Anglo-Australian Observatory (AAO)3. All images have been reduced and calibrated, and are part of the HMC database. The scales are 390 and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/333146a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Surface features on the nucleus of comet Halley (1988)
    [s.l.] : Nature Publishing Group
    Nature 331 (1988), S. 227-231 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Images taken by the Halley Multicolour Camera on board the ESA spacecraft Giotto during its fly-by of comet Halley in March 1986 have been improved by careful calibration and image processing methods. Surface features a few hundred metres in dimension are now visible. Several surface structures are ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/331227a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Intensity profiles of dust near extended sources on comet Halley (1988)
    [s.l.] : Nature Publishing Group
    Nature 332 (1988), S. 51-52 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Halley Multicolour Camera (HMC) images of comet Halley show jet-like features and filaments which, in some cases, can be traced to the surface of the nucleus. The dust column density at large distances clearly exhibits I/R dependence2, as can also be demonstrated by plotting intensity / multiplied ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/332051a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Internal magnetic fields in the high-temperature superconductor YBa2Cu3O7−δ from muon spin rotation experiments (1988)
    Springer
    The European physical journal 72 (1988), S. 175-180 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Muon spin rotation (μSR) measurements of the internal magnetic fields in sintered YBa2Cu3O7−δ samples are reported. Pronounced differences between field-cooled (FC) and zero-field-cooled (ZFC) μSR signals, hysteresis effects and flux trapping are observed. The μSR results are compared with the results of macroscopic experiments (susceptibility, magnetization, resistivity) and with predictions obtained from models of weakly-coupled superconducting regions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01312133
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Ag2PdCl4, Kristallstruktur und die kristallchemische Beziehung zum NaCl-Typ (1988)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 562 (1988), S. 123-130 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Ag2PdCl4, Crystal Structure and the Crystal Chemical Relation to the NaCl TypeAg2PdCl4 single crystals show orthorhombic symmetry with the space group Cmca (No. 64) and the lattice parameters a = 10.088(2), b = 8.051(5), c = 8.078(2) å, with 4 formular units per unit cell. The atomic arrangement of Ag2PdCl4 is explored by X-ray crystal structure analysis.Silver shows a distorted octahedral arrangement of chlorine atoms. Palladium forms typical, approximately square-planar PdCl4 groups. Ag2PdCl4 is a new variant of a partially occupied sodium chloride structure type.
    Notes: Die Kristallstruktur von Ag2PdCl4 wurde mit röntgenographischen Methoden an Einkristallen ermittelt. Ag2PdCl4 kristallisiert mit orthorhombischer Symmetrie: Cmca (No. 64), a = 10,088(2), b = 8,051(5), c = 8,078(2) å mit 4 Formeleinheiten pro Elementarzelle.Silber besitzt eine verzerrt oktaedrische Chlor-Nachbarschaft, während das Palladium annähernd quadratisch planare PdCl4-Gruppen bildet. Ag2PdCl4 stellt eine neue Variante einer teilbesetzten Natriumchloridstruktur dar.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19885620115
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  • 6
    Electronic Resource
    Electronic Resource
    Die Kristallstruktur von AgPb4O4CI, eine kuriose Variante des Blei(II)-oxid-Strukturtyps (1988)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 566 (1988), S. 62-70 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structure of AgPb4O4Cl, a Curious Variant of the Tetragonal Structure Type of PbOAgPb4O4Cl was prepared for the first time and the crystal structure was explored by single crystal measurement. The compound crystallizes with tetragonal symmetry in space group P4/n - No. 85 with a = 8.197(2) Å, c = 6.257(4) Å and two formulae per unit cell. The structure was refined by full matrix least-squares techniques to an R value of 0.049. AgPb4O4Cl shows a typical layer structure. Layers of Pb2+, Ag+ and O2- are separated by chloride layers. The crystal-chemical relations to the structural arrangement of the tetragonal modification of PbO is shown.
    Notes: AgPb4O4Cl wurde erstmalig dargestellt und die Kristallstruktur an Einkristallen aufgeklärt. AgPb4O4Cl kristallisiert tetragonal (Raumgruppe P4/n - No. 85) mit a = 8,197(2) Å, c = 6,257(4) Å und Z = 2. Die Verfeinerung der Einkristallmessung mittels der Methode der kleinsten Fehlerquadrate ergab den Gütefaktor Rw = 0.049. AgPb4O4Cl zeigt eine Schichtstruktur, wobei Chloridionen die Schichten aus Pb2+, Ag+ und O2- trennen. Die kristallchemische Beziehung zum Aufbau der tetragonalen Modifikation von PbO wird dargelegt.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19885660109
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    Paper (German National Licenses)
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