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  • 1975-1979  (2)
  • 1935-1939  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 306 (1979), S. 81-83 
    ISSN: 1432-1912
    Keywords: Physostigmine ; Oxotremorine ; Spontaneously hypertensive rats ; Renal hypertensive rats ; DOCA-saline hypertensive rats
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Intravenous injection of physostigmine evoked a pressor response in unanaesthetized rats. Spontaneously hypertensive rats (SHR) showed increased pressor responses, but the responses were within normal limits in renal hypertensive and DOCA-saline hypertensive rats. The pressor effect in SHR was abolished by the i.v. injection of atropine sulphate but not by the i.v. injection of atropine methyl bromide. After inhibition of the peripheral muscarinic receptors by atropine methyl bromide, oxotremorine also produced a pressor response in unanaesthetized rats. In contrast to the pressor effect of physostigmine, there was no difference between the oxotremorine-induced pressor response of SHR and that of normotensive Wistar-Kyoto rats. The pressor effect of oxotremorine in SHR was blocked by the i.v. injection of atropine sulphate.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 27 (1939), S. 278-279 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Notes: Zusammenfassung Es wurde röntgenographisch beobachtet, daß durch Erhitzungsbehandlung von gereinigten Ramiefasern, sowie der daraus erhaltenen Natrocellulose I mit Glyzerin bei 250° eine ziemlich deutliche Erhöhung des Orientierungsgrades der Kristallite in den nativen Fasern bewirkt wurde. Ein höchstorientiertes Präparat, welches ein besonders scharfes und deutliches Bild mit starker Annäherung an das Drehkristalldiagramm eines Einkristalls zeigt, wurde aus Natroncellulose durch die erwähnte Behandlung erhalten.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 27 (1939), S. 857-858 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 88 (1939), S. 62-68 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Zusammenfassung 1. Die Umwandlung von Hydratzellulose in natürliche Zellulose auf dem Umweg über Alkalizellulose (Na-Zell. I, II, K-Zell. I, II und Li-Zell.) als Zwischensubstanzen konnte durch Erhitzungsbehandlung der letzteren mit Glyzerin auf höhere Temperatur (250° C) bewirkt werden, und zwar viel leichter und vollständiger als auf direktem Wege; es genügte dazu eine Erhitzungsdauer von nur 2∼3 Minuten. 2. Der Umwandlungsgrad des Umwandlungsproduktes steigt gemäß der folgenden Reihenfolge der Alkalizellulosen, über die diese Umwandlung durchgeführt wird: Kalizellulose 〈 Natronzellulose 〈 Lithionzellulose. 3. Die Röntgenbilder für die bei niedrigeren Temperaturen (150∼200°C) erhaltenen Präparate sind im allgemeinen unscharf. 4. Es wurde versucht, eine plausible Erklärung für die oben beschriebenen Befunde zu geben.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 11 (1976), S. 1501-1508 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Newly developed etch-pitting technique for gold is reported. A one-to-one correspondence is obtained between etch pits and dislocations, with etchants of 1∶3 aqua regia and aqua regia plus suitable modifiers. The usefulness of these etchants has been established by several experimental results, such as the appearance of etch pit rosette patterns produced by indentation, correspondence between slip line and pit arrays in deformed crystals and climb polygonization arrays after annealing. It is also confirmed that the etchants are capable of differentiating positive and negative edge dislocations.
    Type of Medium: Electronic Resource
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