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  • Cardiac pacing  (1)
  • Hordeum vulgare
  • Polymer and Materials Science
  • SPACECRAFT DESIGN, TESTING AND PERFORMANCE
  • 1985-1989  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Minimising stimulator artefacts in electromagnetic flow signals (1988)
    Springer
    Medical & biological engineering & computing 26 (1988), S. 17-19 
    Details
    ISSN: 1741-0444
    Keywords: Cardiac pacing ; Electromagnetic flow probes ; Stimulation artefact
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Simultaneous electrical stimulation of tissue with the measurement of blood flow using an electromagnetic flowmeter system almost invariably results in large flow measurement inaccuracies. These inaccuracies are because the electrical energy from stimulating artefacts is amplified along with the flow signals. The paper describes the building and use of an inexpensive circuit to remove stimulation artefacts from electromagnetic flow measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441822
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Unknown
    Teflon, Kapton surface and bulk effects (1985)
    In:  CASI
    Details
    Publication Date: 2006-02-14
    Description: Two samples of 2 mil aluminized/Kapton thermal blanket and two samples of Teflon were received for evaluation. Their location on the solar maximum is given. The Kapton top layer of the thermal blanket had been exposed to the LEO atomic oxygen environment and shows the surface degradation due to atomic oxygen attack resulting in a diffuse character over most of the surface. The backside Kapton layer which was unexposed appeared to the eye to be in virgin condition. Another sample exhibited similar properties, but was, in large part, covered with Kapton adhesive tape and it was not possible to obtain usable specimens for analysis. One of the Teflon samples which was exposed shows signs of heavy degradation including attack on the Ag/Inconel backside by ultraviolet and atomic oxygen. The other Teflon sample which was unexposed was only slightly fogged on the Teflon side and the Ag/Inconel appeared untouched. These samples were subjected to several chemical and physical analyses, the results of which are discussed.
    Keywords: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA. Goddard Space Flight Center Proceedings of the SMRM Degradation Study Workshop; p 287-316
    Format: text
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    NASA TECHNICAL REPORTS
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