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  • 1
    Electronic Resource
    Electronic Resource
    Irreversible long-term pulmonary functional impairments after adenovirus type-7 pneumonia: assessment with xenon-133 ventilation and Tc-99-m MAA perfusion studies (2000)
    Springer
    European radiology 10 (2000), S. 1411-1415 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Radionuclide imaging – Ventilation – Bronchiectasis – Lung – Adenovirus – Childhood
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. A 3-year-old child presented with severe type-7 adenoviral pneumonia, after the resolution of diffuse pulmonary infiltrates of the pneumonia. Xenon-133 ventilation and Tc-99-m macroaggregated albumin (MAA) perfusion studies revealed a localized airflow obstruction and matched perfusion defect, and marked air trapping in the remaining lungs, and these abnormalities were not detected and not suspected even with CT. Thereafter, in a relatively short period, the child developed persistent bronchiectatic changes and pulmonary hyperinflation throughout the lungs. However, the scintigraphic findings were not significantly changed. This is the first description of radionuclide scintigraphic findings which clearly showed an irreversible long-term functional effect of adenoviral pneumonia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300000431
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  • 2
    Electronic Resource
    Electronic Resource
    Saturation vapor pressure and critical constants of H2O, D2O, T2O, and their isotopic mixtures (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 681-694 
    Details
    ISSN: 1572-9567
    Keywords: critical constants ; deuterium oxide ; heavy water ; isotope effect ; saturation vapor pressure ; tritium oxide ; water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Reliable data on the vapor pressure and critical constants of H2O isotopes and their isotopic mixtures are required for the generation of thermophysical properties data over a wide range of temperatures and pressures. In this study, vapor pressure equations for D2O and T2O have been developed based on the latest experimental and theoretical information. Considering the similarity among H2O isotopes, the functional form of the Saul and Wagner equation, fully proven for H2O, has been employed. The present equation for D2O shows a lower trend by up to 0.09% than the widely used Hill and MacMillan equation at temperatures below 150°C. For the vapor pressure of the isotopic mixtures, the available experimental data have been examined for the validity of Raoult's law. Then it has been shown that the critical temperature and the critical pressure of the isotopic mixture can also be predicted as simple mole-fraction average values.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00500788
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    Paper (German National Licenses)
    Fulltext
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