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  • 1985-1989  (1)
  • 1975-1979  (1)
  • 23.20.En  (1)
  • Breast tumours  (1)
  • 1
    Electronic Resource
    Electronic Resource
    214Po: A γ-γ and γγ(θ) Coincidence study (1989)
    Springer
    The European physical journal 334 (1989), S. 33-45 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 23.20.En ; 23.20.Gg
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Extensive γ-γ coincidence measurements have been made on γ rays accompanying theβ − decay of214Bi using a conventional GeGe coincidence spectrometer. A total of 33 new γ transitions among levels of214Po have been established. Twenty-three previously reported but unplaced transitions have now been assigned in the level scheme. In addition to confirming 56 previously proposed levels, four new levels are established at 1015.05, 1712.98, 3003.5 and 3160.5 keV. Directional correlation measurements have been made on six weak cascades which have the first excited state in common. Mixing ratios have been deduced for the transitions concerned.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01294385
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    In vivo dielectric spectrometer (1979)
    Springer
    Medical & biological engineering & computing 17 (1979), S. 45-60 
    Details
    ISSN: 1741-0444
    Keywords: Biomedical dielectrics ; Breast tumours ; Fourier transforms ; In vivo measurements
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract An instrument is described for measuring the relative permittivity and dielectric loss of body tissues and organsin vivo, over the frequency range 0·1 Hz to about 100 kHz. A voltage transient is applied by means of suitable electrodes and the resulting waveform is sampled, digitised and Fourier transformed using a microprocessor to give a spectrum in the frequency domain. The results show differences in relative permittivity and dielectric loss between different types of tissue. Much of the preliminary clinical work with this apparatus has been done using measurements on breast tumours.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02440953
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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