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  • Polymer and Materials Science  (3)
  • Minitracheotomy  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Ossification of the cricothyroid membrane following minitracheotomy (1989)
    Springer
    Intensive care medicine 15 (1989), S. 272-273 
    Details
    ISSN: 1432-1238
    Keywords: Minitracheotomy ; Cricothyroid membrane ; Dystrophic calcification ; Heterotopic bone formation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe a case in which a repeat minitracheotomy (MT) could not be performed 2 months after the first. The cricothyroid membrane seemed calcified and histological examination showed scar formation with dystrophic calcification and heterotopic bone formation. Scar formation following MT may have caused these alterations making repeat access to the airway through the membrane impossible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00271066
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Is minitracheotomy a simple and safe procedure? A prospective investigation in the intensive care unit (1991)
    Springer
    Intensive care medicine 17 (1991), S. 333-335 
    Details
    ISSN: 1432-1238
    Keywords: Minitracheotomy ; Intensive care ; Indication ; Complication
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Patients with imminent respiratory failure due to sputum retention were assessed for minitracheotomy (MT). MT was considered potentially useful in 79 patients but only attempted in 73, 54 men and 19 women, aged 23–81 years (median 65 years). Insertion of the cannula failed in 4 cases. Sputum retention and atelectasis were successfully treated in 87% (N=60). Treatment by MT in medical and neurological patients seems as effective as in surgical patients (success rate 81% versus 90%). The frequency of complications was 16%. Most complications were insignificant and occurred during cannulation, but a few severe complications were seen. To minimize the number of these it is essential that MT is done only by doctors who are familiar with the procedure. MT can be recommended for treatment of sputum retention and atelectasis in surgical and medical/neurological intensive care patients with preserved cough function.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01716191
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Analytical background correction in numerical Fourier transform procedures. Application to electron spectroscopy (1995)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 23 (1995), S. 717-722 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: An analytical correction method is proposed to eliminate the problems resulting from numerical Fourier transformation of functions with a broad background. The method incorporates the analytically known or observed asymptotic behaviour into the numerical procedure. The applicability and high accuracy of the background correction method is illustrated by application to the analysis of reflected electron energy-loss spectra.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740231011
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Estimation of depth profiles from inelastic backgrounds in XPS. I. General relationships (1995)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 23 (1995), S. 753-763 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: The accuracy by which an unknown concentration profile can be found by analysis of XPS spectra is investigated theoretically by analytical and numerical techniques. The problem of determining the profile is reformulated as an optimization problem. By use of analytical techniques we obtain qualitative statements about the depth resolution and we derive fundamental relationships between the different parameters that indicate their relative importance. In order to illustrate the various dependencies of the variability of the model parameters, we derive analytical expressions for the standard errors of the model parameters for two simple models: a dalta layer and an exponentially decreasing profile. Furthermore, the complete probability distribution of the model parameters for a rectangular model is investigated numerically.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740231104
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Enhanced Resolution of Depth Profiles Using Two-dimensional XPS Data (1996)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 24 (1996), S. 23-27 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: It is shown that the accuracy by which a concentration-depth profile can be estimated from the inelastic background of an XPS spectrum is dramatically improved by using two-dimensional (2D) data. The energy loss distribution of the photoelectrons for several values of the detection angle, or the energy of the excitation source, are treated as a single 2D data set. The resolution of the depth profile estimated from this set is far better than can be obtained from any single XPS spectrum.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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