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  • Articles  (2)
  • Articles: DFG German National Licenses  (2)
  • Coal analysis  (1)
  • Computer simulation  (1)
  • 2010-2014
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  • 1950-1954
  • Natural Sciences in General  (2)
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  • Articles  (2)
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  • Articles: DFG German National Licenses  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 1 (1984), S. 107-130 
    ISSN: 0741-0581
    Keywords: Phase contrast ; Computer simulation ; Partial coherence ; Electron microscopy ; Convergent beam ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Notes: A general method for computing high-resolution conventional transmission electron microscope images and diffraction patterns, when there are different types of partially coherent illumination conditions, is described. Examples of convergent beam, hollow cone, and virtual aperture illumination conditions are given in the context of interpreting image features. A comparison of real and computed diffraction patterns shows that, in practice, many innovative imaging modes are possible, which can be verified prior to real microscope experiments.
    Additional Material: 17 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal of Electron Microscopy Technique 1 (1984), S. 285-287 
    ISSN: 0741-0581
    Keywords: SEM ; Coal analysis ; Mounting medium ; Polished sections ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Natural Sciences in General
    Notes: A high electron-density embedding medium was developed for SEM observation of inorganic constituents of organic or carbonaceous particles. The components used are a common epoxy resin in which iodoform is dissolved before the addition of the hardener. An iodoform content of 10% by weight proved satisfactory for obtaining excellent contrast between the matrix and embedded carbonaceous particles in the SEM. The system has been successfully applied in the preparation of polished specimens of coal particles. There is no interference between the iodine and any of the most abundant or most important coal mineral components, but it was found that the epoxy resin contained chlorine as a contaminant.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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