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  • 1
    Electronic Resource
    Electronic Resource
    Multi-color CARS for hydrogen-fueled scramjet applications (1988)
    Springer
    Applied physics 45 (1988), S. 215-223 
    Details
    ISSN: 1432-0649
    Keywords: 07.60 ; 33.00 ; 42.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An approach to CARS, with considerable potential as a diagnostic for advanced airbreathing propulsion devices, is described and demonstrated. The technique is capable of providing simultaneous measurements of the major constitutents in H2/air combustion. The method employs both broadband and narrowband Stokes beams to generate CARS via two, two-color and two, three-color wave mixing processes. Temperature and concentration information are simultaneously available from N2, H2, and H2O. This permits the disappearance of fuel and appearance of product to be monitored. An analysis of the technique's capabilities and future improvements are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00687149
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Ultrastructural observations on cell death by apoptosis in the “resting” human breast (1981)
    Springer
    Virchows Archiv 393 (1981), S. 193-203 
    Details
    ISSN: 1432-2307
    Keywords: Cell death ; Epithelium ; Breast ; Human ; Apoptosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary For the first time the process of epithelial cell deletion was studied within the parenchymal component of the “resting” human breast. The dying cells were initially recognised by specific nuclear changes involving peripheral condensation of the chromatin and nucleolar disintegration. At this stage the cells were retracted from the lumen and had lost desmosomal connections with their neighbours. Within the cytoplasm, there was evidence of ribosomal detachment from the endoplasmic reticulum with the formation of ribosome aggregates. The majority of dying cells were phagocytosed at this stage although a few underwent further morphological changes. These involved blebbing and fragmentation of the nucleus followed by cytoplasmic fragmentation. The dying cells and cell fragments were phagocytosed by epithelial or myoepithelial cells as well as mononuclear phagocytes and undergo lysosomal digestion within the phagosomes. These progressive morphological changes were consistent with cell deletion occurring by apoptosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00431076
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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