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  • 1
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    Unknown
    An assessment of sphere drag coefficient data (1969)
    In:  CASI
    Details
    Publication Date: 2013-06-04
    Description: Wind tunnel test data for falling sphere drag coefficient determination
    Keywords: AERODYNAMICS
    Type: NASA, WASHINGTON STATUS OF PASSIVE INFLATABLE FALLING-SPHERE TECHNOL. FOR ATMOSPHERIC SENSING TO 100 KM 1969; P 93-100
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
    Electronic Resource
    Electronic Resource
    Energy distribution of post-accelerated electrons field-emitted from carbon fibres (1977)
    Springer
    Applied physics 12 (1977), S. 197-202 
    Details
    ISSN: 1432-0630
    Keywords: 79.40
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract An electron gun system with post-acceleration is described suitable to operation with a carbon fibre field-emission tip. The system was tested in an electron optical bench with a vacuum pressure of about 10−6 torr. The electron current was most stable if the current to the extraction electrode was minimized. The half width of the energy distribution of the electrons accelerated up to 30 keV was 215 meV for small currents (≈10−9A). The half width of the distribution increases with growing emission current. This increase may be attributed to instabilities in the surface structure due to ion bombardment and to the circumstance that more than one emission centre contributes to the electron current.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00896148
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Prevention of enteral radiocesium absorption by hexacyanoferrates(II) in piglets (1988)
    Springer
    Cellular and molecular life sciences 44 (1988), S. 502-504 
    Details
    ISSN: 1420-9071
    Keywords: Hexacyanoferrate(II) ; 134Cs ; cesium absorption ; biological half-life ; piglet
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The efficacy of different hexacyanoferrates(II) in preventing the enteral absorption of134Cs was studied in piglets. As compared to the controls, oral application of134Cs together with KFe[Fe(CN)6], NH4Fe[Fe(CN)6], or Fe4[Fe(CN)6]3 resulted in a strong reduction of the134Cs-uptake by more than 97%. The decrease in enteral absorption depends on the dose of administered hexacyanoferrate(II), whereas differences between the compounds under study were small. The biological half-life of134Cs in non-hexacyanoferrate(II) treated piglets was 21.6±3.3 days (mean±SD).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01958927
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    Paper (German National Licenses)
    Fulltext
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