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  • Polymer and Materials Science  (4)
  • Nuclear Reactions  (3)
  • 61.70  (2)
  • Secretin  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics, Section A 166 (1971), S. 271-284 
    ISSN: 0375-9474
    Keywords: Nuclear Reactions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 61 (1983), S. 285-289 
    ISSN: 1432-1440
    Keywords: Secretin ; Somatostatin ; Hemorrhage ; Peptic ulcer ; Stress lesion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a randomized trial the efficiency of synthetic secretin (0,25 clinical units/kg bw/h; 15 patients) was compared with that of synthetic somatostatin (250 µg/h, 15 patients) in treatment of severe acute non arterial bleeding from peptic ulcers or stress lesions in the upper digestive tract. In all patients the presence of hemorrhage at beginning of the therapy was established by endoscopic examination. Both test preparations were given as continuous infusions over 48 h and had identical effects on the hemorrhage: in 12 patients (80%) out of each group bleeding stopped during the infusion of secretin or somatostatin, 6 patients (20%) had to be operated on for persistant bleeding or severe recurrence.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics 88 (1966), S. 654-674 
    ISSN: 0029-5582
    Keywords: Nuclear Reactions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Nuclear Physics 88 (1966), S. 675-688 
    ISSN: 0029-5582
    Keywords: Nuclear Reactions
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 46 (1988), S. 73-76 
    ISSN: 1432-0630
    Keywords: 61.70 ; 78.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Infrared spectra of nitrogen doped Czochralski-grown silicon indicate absorption lines in addition to the well-known lines of local modes of oxygen, carbon and nitrogen centers. The most prominent lines of them can be shown to be correlated with certain oxygen and nitrogen concentrations. These lines are, therefore, thought to arise from N-O complexes and are discussed in the context of an O-induced disturbance of N2-pair vibrations. The results of preliminary investigations on the stability of such complexes are also reported.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 50 (1990), S. 241-247 
    ISSN: 1432-0630
    Keywords: 61.70 ; 78.30
    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 resistivity of boron-doped silicon can be significantly increased by polishing such material with an appropriate amine- and copper-containing slurry. This effect is ascribed to a passivation of the boron acceptors by a defect produced or introduced by the polishing process. Three new, so far unknown localized vibrational modes at 691, 720, and 1038 cm−1 are observed in highly boron-doped silicon samples after such a polishing treatment. Two of these localized modes can be identified as due to a boron-containing defect. High concentrations of copper found in the samples after appropriate polishing indicate a participation — either directly or indirectly — of this metal in the passivation process.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 373 (1988), S. 42-46 
    ISSN: 1435-2451
    Keywords: Bleeding ulcer ; Secretin ; Somatostatin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In einer retrospektiven Untersuchung werden die Ergebnisse von 270 Patienten analysiert, die zwischen 1978 und 1985 wegen Blutungen aus Ulcera oder Erosionen behandelt wurden. 192 Patienten (71%) bluteten aus chronischen Ulcera, 49 (18%) aus Streßläsionen und 29 (11 %) aus Arzneimittelulcera, hiervon wiesen 53% eine Sickerblutung Typ Forrest 1b auf. Die Kliniksletalität fiel während dieser 8 Jahre von 18% auf 8%. Parallel hierzu besserte sich die Prognose von Sickerblutungen, die zunehmend häufiger mit Secretin bzw. Somatostatin behandelt wurden. Bei diesem Blutungstyp reduzierte sich die Anzahl der Notfalloperationen von 44% im Jahre 1978 auf zuletzt 10% und die Letalitätsrate von 22% auf 5%.
    Notes: Summary The results of 270 patients, admitted from 1978 to 1985 because of upper gastrointestinal bleeding from ulcers or erosions were analysed retrospectively. Chronic peptic ulcers were the most common bleeding sites (192 patients, 71%). 49 patients (18%) bled from acute lesions and 29 (11%) from drug-induced ulcers. 53% of all patients exhibited an oozing hemorrhage (type Forrest 1b) during emergency endoscopy. Within the eight-year-period hospital mortality dropped from 18% to 8%. In parallel the prognosis of oozing bleeding improved. In this period the patients were more often treated with secretin or somatostatin. Hence the frequency of emergency operations for patients with oozing bleeding could be reduced from 44% in 1978 to 10% in 1985 and the death rate from 22% to 5%.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: In addition to the predominant dependence on vinylacetate content of the copolymers, temperature shows a significant influence on the high pressure phase equilibrium in the mixtures. That is demonstrated by experimental cloudpoint curves (pressure). In comparison with them coexistence data are calculated for 5 different samples of (ethylene-vinylacetate)-copolymers and the temperature dependence of all model parameters is investigated and correlated.
    Notes: Nach dem Vinylacetatgehalt der Copolymere übt die Temperatur einen wesentlichen Einfluß auf die Lage des Hochdruckphasengleichgewichtes aus, der durch Trübungsdruckmessungen ermittelt werden kann. In Übereinstimmung damit erfolgen Berechnungen zu Koexistenzdaten für 5 verschiedene Ethylen-Vinylacetat-Copolymere, wobei die Temperaturabhängigkeit aller Modellparameter untersucht und korreliert wird.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Optimizing the equipment for producing high pressure (ethylene-vinylacetate)-copolymers requires data and models for the phase equilibrium conditions at high pressure. Information on the system ethylene + (ethylene-vinylacetate)-copolymer is important for this purpose. Experimental results (cloud-point curves) and model calculations (coexistencecurves) are presented with particular attention to the dependence on vinylacetate content of copolymers.
    Notes: Die Optimierung des technischen Hochdruckverfahrens zur Herstellung von (Ethylen-Vinylacetat)-Copolymeren erfordert Daten und Modelle des Hochdruckphasengleichgewichtes. Insbesondere interessieren Informationen über das Teilsystem Ethylen + (Ethylen-Vinylacetat)-Copolymere, die aus experimentellen Untersuchungen von Trübungsdruckkurven und aus Ergebnissen von Modellrechnungen zu Koexistenzdaten gewonnen werden. Dabei wird der Abhängigkeit vom Vinylacetatgehalt des Copolymers besondere Aufmerksamkeit geschenkt.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: In addition to the dependence on temperature and vinylacetate content of the copolymers, the molar mass distribution of the copolymers shows a significant influence on the high pressure phase equilibrium in the mixtures. This is demonstrated by experimental pressure-cloudpoint curves. The coexistence data are calculated with 5 different fractions of a copolymer with 33% vinylacetate content and reflect the experimental results precisely. Model calculations by a classical discontinuous calculation procedure allow the prediction of coexistence curves without additional molar mass-dependence of the model parameters. Further results are provided for the solubilities of the components in the pressure range of 30 to 100 MPa.
    Notes: Neben der Temperatur und dem Vinylacetatgehalt des Copolymers übt die Molmassenverteilung des Copolymers einen wesentlichen Einfluß auf die Lage des Hochdruckphasengleichgewichtes aus, was durch Trübungsdruckmessungen experimentell gezeigt wird. Die Berechnungen zu Koexistenzdaten für 5 verschiedene Fraktionen eines (Ethylen-Vinylacetat)-Copolymers mit ca. 33% Vinylacetatgehalt spiegeln die experimentellen Verhältnisse wider. Die Modellrechnungen mit einem klassisch diskontinuierlichen Berechnungsverfahren ermöglichen die Vorausberechnung der Koexistenzdaten ohne zusätzliche Molmassenabhängigkeit der Modellparameter. Weiterhin werden Ergebnisse zur gegenseitigen Löslichkeit im Druckbereich von 30 bis 100 MPa mitgeteilt.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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