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  • 1975-1979  (7)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Evaluation of the following parameters of caloric and postrotatory nystagmus (slow phase velocity, number of beats, duration of nystagmus and frequency) showed that besides slow phase velocity, duration of nystagmus and number of beats are the best criteria to be considered in vestibular examination. The range of variety of all these parameters in healthy subjects makes it inappropriate to use computers for automatical nystagmus analysis or standardized evaluation schemes. A progress in vestibular examination could be expected from recording the action potentials of single muscle fibers of the human m. splenius capitis unter vestibular stimulation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Especially the so-called objective methods permit the audiologist to make his contribution to clarify central hearing disorders also in the field of audiology for children. Based upon the anamnestic and symptomatic data obtained from 50 children, the stapedius-reflex-audiometry and ERA findings of which speak for a central hearing disorder, the specificity and clinical importance of these methods is to be discussed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In 1970–1974, tympanoplastics of type I–III were done in 95 patients with adhesive processes of the middle ear (epithelized tympanon, scarred adhesions of the chain, sclerosis of the tympanon etc.) following chronic inflammation or cholesteatoma. In order to avoid renewal of adhesions, to make possible the growth of mucosa and to obtain pneumatisation of the middle ear, 1–3 pieces of silicone foil were inserted to each patient into the middle ear. In 21 patients the silicone foil was removed. Technique of insertion and problems of removal of the foil as well as audiological postoperative results are demonstrated and discussed. Further details will be published in Arch. Oto-Rhino-Laryng.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Nicht eingegangen.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Annali di matematica pura ed applicata 102 (1975), S. 203-212 
    ISSN: 1618-1891
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary In this paper, a sentencial calculus is built up, continuing only one connective, the negation. A very general logic is thus obtained, very similar to that of A. A. Markov.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    ISSN: 1618-2650
    Keywords: Best. von Cyanid in Wasser, Abwasser ; Konduktometrie ; Destillation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Es wurde eine konduktometrische Cyanidbestimmungsmethode für industrielle Abwässer mit mehr als 2,5 · 10−6 Mol CN−/l beschrieben. Die angesäuerten Proben werden unter Rückfluß destilliert und der Cyanwasserstoff wird in einer 5 · 10−4 Mol/l AgNO3-Lösung absorbiert, deren Leitfähigkeit gemessen wird. Die Vorteile der Methode liegen in der Möglichkeit einer genauen Bestimmung des Endes der HCN-Destillation und einer direkten Berechnung der Konzentration aus der Leitfähigkeitsänderung. Dadurch beträgt die gesamte Zeit der Bestimmung nicht mehr als 40 min.
    Notes: Abstract For the cyanide determination in waste waters containing more than 2.5×10−6 Mol of CN−/l a conductometric method has been proposed. The sulphuric acid containing samples were distilled and the obtained HCN was passed into a 5×10−4 Mol/l AgNO3 solution, of which the conductivity was measured. The method offers the possibility of a precise observation of the completion of the HCN distillation and also the direct measurement of the cyanide concentration by the change of conductivity. The analysis time is about 40 min.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    International urology and nephrology 10 (1978), S. 313-320 
    ISSN: 1573-2584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In 20 dogs, 12 bilateral and 8 unilateral pedal and direct testicular lymphographies were performed. Comparison between the two methods showed that pedal lymphography failed to visualize some of the regional, lymph nodes of the testicle. Histological examinations of the excised testicles two months after the injection of the contrast material failed to show any significant abnormalities. The potential applications of direct testicular lymphography are discussed.
    Type of Medium: Electronic Resource
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