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  • 1
    Electronic Resource
    Electronic Resource
    Tracheotomie Kritische Anmerkungen und Schlußfolgerungen (1999)
    Springer
    Intensivmedizin und Notfallmedizin 36 (1999), S. 309-313 
    Details
    ISSN: 1435-1420
    Keywords: Key words Percutaneous dilatational tracheostomy ; conventional-operative tracheostomy ; complications ; indications ; contraindications ; management Argon-Plasma-Coagulation ; Schlüsselwörter Percutane Dilatationstracheotomie ; konventionell-operative Tracheotomie ; Komplikationen ; Indikationen ; Kontraindikationen ; Management Argon-Plasma-Coagulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Gegenwärtig ist in der Literatur und klinischen Praxis der Trend zu erkennen, daß durch verschiedene Fachgebiete unterschiedliche Tracheotomieverfahren bei intensiv-medizinischer Indikation einseitig und ohne Konsens favorisiert werden. Die Erfahrungen zwischen Laryngologie und Intensivmedizin der Chirurgie und Inneren Medizin bei gemeinsamer Planung und Durchführung von 239 Tracheotomien in verschiedenen Techniken lassen klare Indikationsstellungen für die einzelnen Methoden erkennen. Diese orientieren sich an der Grunderkrankung und deren Verlauf und den Kontraindikationen der percutanen Methoden. Ein Vergleich perioperativer Komplikationen zwischen 3147 konventionell-chirurgischen und 2124 percutanen Tracheotomien ergab keine großen Unterschiede, eine Entscheidung zugunsten einer Methode ist daraus gegenwärtig nicht abzuleiten
    Notes: Summary At present there is a noticable trend in the literature and clinical practise that different medical specialities prefer various procedures of tracheostomy in intensive care medicine rather onesided and without consensus of opinion. In result of effective cooperation between ENT department and surgical and medical intensive care units in planning and realization, there were 239 tracheostomies of different techniques performed; due to these experiences clear indications for the varying methods became obvious. The indications are based on both the history of present illness and its course and the contraindications of percutaneous tracheostomy methods. In comparison of 3147 conventional surgical and 2124 percutaneous tracheostomies the perioperative complication rate is almost indentical. Therefore, it seems impossible to draw a conclusion in favor of one method at present time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003900050244
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Dispersity and reducibility of the molybdenum oxide phase in SiO2, SiO2−Al2O3 and γ-Al2O3 supported molybdena catalysts (1989)
    Springer
    Reaction kinetics and catalysis letters 38 (1989), S. 265-272 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Рентгено-дифракционные, изотермические и ТПР эксперименты проводили с катализаторами, нанесенными на SiO2, SiO2−Al2O3 и γ-Al2O3. Окись молибдена находится в более диспергированном состоянии на носителях, содержащих больше алюминия, и более восстанавливаема на SiO2−Al2O3 нежели на SiO2 или γ-Al2O3. Кривые ТПВ отражают связь между кинетикой реакции и дисперсией.
    Notes: Abstract XRD, isothermal and temperature-programmed reduction (TPR) experiments were carried out with SiO2, SiO2−Al2O3 and γ-Al2O3 supported catalysts. Molybdena is in a more disperse state on supports containing more alumina and it is more reducible on SiO2−Al2O3 than on SiO2 or γ-Al2O3. TPR curves were shown to reflect connections between reduction kinetics and dispersity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02062117
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Acidity of SiO2, SiO2−Al2O3 and γ-Al2O3 supports and supported molybdena catalysts (1989)
    Springer
    Reaction kinetics and catalysis letters 38 (1989), S. 273-279 
    Details
    ISSN: 1588-2837
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Кислотность носителей SiO2, γ-Al2O3 и SiO2−Al2O3, а также нанесенных катализаторов Mo в окисленном и восстановленом состояниях характеризовали ИК-спектро-скопическими и гравиметрическими измерениями адсорбции пиридина. Различия в поверхностных кислотностях объясняются различиями химического состава, взаимодействий молибдена с носителем и дисперсностью молибдена.
    Notes: Abstract Acidity of SiO2, γ-Al2O3 and SiO2−Al2O3 supports and supported Mo-catalysts in oxidized and reduced state are characterized by IR-spectroscopic and gravimetric pyridine (py) adsorption measurements. Differences in surface acidities are interpreted as results of differences in chemical compositions, molybdena-support interactions and molybdena dispersities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02062118
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    Paper (German National Licenses)
    Fulltext
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