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  • 1
    Electronic Resource
    Electronic Resource
    Production of slow positrons with the Giessen 65 MeV LINAC (1987)
    Springer
    Applied physics 44 (1987), S. 119-121 
    Details
    ISSN: 1432-0630
    Keywords: 7.77 ; 29.25
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The experimental arrangement to produce the slow positrons with the Giessen 65 MeV LINAC is described. Some results of obtained slow positron yields are shown. At the present a maximum intensity of 1.05×108 slow positrons per second is measured at the detector place. Actually we are optimizing different parameters of our experimental facility.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00626411
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Nitrous oxide solubility in halothane and its effect on the output of vaporizers (1985)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 40 (1985), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The absorption of nitrous oxide in halothane was studied by bubbling nitrous oxide and nitrous oxide/oxygen gas mixtures through a halothane bottle, using 100% oxygen as a control. The gas volume emerging from the halothane bottle was measured each minute, over a period of up to 15 minutes. When oxygen was used as a control gas, the averaged flow rate dropped slightly over the experimental period, due to the cooling of the halothane. However, in the presence of nitrous oxide, the initial flow rate of the gas emerging from the halothane bottle was greatly diminished, but then accelerated rapidly to reach that obtained with oxygen. The results suggested that nitrous oxide dissolved in large quantities in halothane, and the data are consistent with an Ostwald coefficient in excess of 4.0.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1985.tb10839.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Performance of a miniaturised O2−Hb dissociation curve analyser on dog's blood (1987)
    Springer
    Intensive care medicine 13 (1987), S. 131-137 
    Details
    ISSN: 1432-1238
    Keywords: Haemoglobin ; Dissociation curves ; Bohr factor ; Oximetry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Oxygen-haemoglobin dissociation curves were determined on dogs' blood using a modified and miniaturised dissociation curve analyser. The Bohr factor describes the way in which pH varies the PO2 corresponding to a particular oxyhaemoglobin concentration. The factor was similar for three saturations and was little affected by whether the pH was changed by changing PCO2, or by adding fixed acid or alkali. The haemoglobin saturations in the mid-range tended to be lower than those predicted by the equation of Rossing and Cain (1966)
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00254799
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Slow positron facility at the Giessen 65 MeV LINAC (1989)
    Springer
    Hyperfine interactions 44 (1989), S. 179-183 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Some details of the Giessen facility TEPOS to produce slow positrons with the pulsed 65 MeV LINAC of the Strahlenzentrum are given. Intensities up to 108 slow positrons per second are achieved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02398668
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Self-calibrating interference refractometer using a linear photodiode array for anaesthetic gas analysis (1988)
    Springer
    Medical & biological engineering & computing 26 (1988), S. 516-522 
    Details
    ISSN: 1741-0444
    Keywords: Anaesthetics ; Gas concentration ; Online gas analysis ; Refractometer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract The laboratory standard for measurement of gas concentrations in binary mixtures is the manually operated interfence refractometer. We describe an automatic interference refractometer for theatre use incorporating a linear photodiode array and using digital electronics for signal analysis. The support system performs automatic self-calibration, samples gases from an anaesthetic machine, feeds them to the refractometer and presents information on gas concentrations and possible alarm conditions to the anaesthetist. The instrument may be incorporated into a new anaesthetic machine or may be an addition to an existing one. The instrument may also be applied in other fields where concentrations of known gases need to be monitored automatically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02441920
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    Paper (German National Licenses)
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