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  • 1985-1989  (3)
  • 1975-1979  (3)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 5 (Jan. 1989), p. 115-128 
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 44 (1988), S. 864-870 
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: Image contrast of domains and discommensurations in ferroelectric Rb2ZnCl4 is studied. Six domains of the two orientation variants and three translation variants in the ferroelectric phase are observed. However, only two kinds of domain boundaries, which are the discommensurations in the incommensurate phase of Rb2ZnCl4, are observed. These observations agree with group-theoretical considerations of the phase transition from the normal phase to the commensurate phase of Rb2ZnCl4.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [S.l.] : International Union of Crystallography (IUCr)
    Acta crystallographica 45 (1989), S. 146-146 
    ISSN: 1600-5724
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The following corrections should be made in Tsuda, Yamamoto & Yagi [Acta Cryst. (1988). A44, 864-870]. (1) 'only two kinds of domain boundaries' in the Abstract should be changed to 'two kinds of image contrast of domain boundaries'. (2) The expressions for h2, h4, h6 in § 4.1 should be replaced by h2: -x -y -z + h4: -x -y -z (inversion) h6: -x -y -z + (3) "two kinds of DC's showing different contrast' in the second paragraph in § 4.1 should be changed to 'two kinds of DC contrast'.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 253 (1975), S. 24-25 
    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
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 255 (1977), S. 1110-1113 
    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
    Description / Table of Contents: Zusammenfassung Die Absorptionsspektren, elektronenmikroskopische Aufnahmen und Photographien von mit Direkt-Farbstoff gefärbten Celluloe-Fasern im Vergleich zu mit Acridine Orange als freie Base (AO) wurden angefertigt. Die Färbung wurde für Temperaturen von 90 ± 1, 80 ± 1 und 70 ± 1 °C ausgeführt. Die Änderung der molaren Enthalpie ΔH° wurde daraus berechnet. Die Werte von ΔH° mit Acridine Orange sind sehr niedrig im Vergleich mit anderen Direkt-Farbstoffen. Und das AO zeigt in den Zellulosefasern eine sehr große Tendenz zur Kristallisation. Dies ist folgendermaßen zu verstehen: Kristall-Tendenz bedeutet hohe Farbstoff-Farbstoff Wechselwirkung und damit auch hohe Farbstoff Faser Wechselwirkung.
    Notes: Summary The visible absorption spectra, the electron microphotographs and the optical microphotograph of the cellulosic fibres dyed with direct dyes were observed in comparison with Acridine Orange free base (AO). Furthermore, dyeing was carried out in a thermostat bath at 90 ± 1, 80 ± 1, and 70 ± 1 °C. From the results, the change of enthalpy,ΔH° for the dyeing was calculated.Δh° of AO was very small in comparison with other direct dyes, and AO in the cellulosic fibres has predominantly crystallized property. The result was expressed as follows: Crystallized tendency =(dye-dye interaction) -(dye-fibre interaction).
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 254 (1976), S. 964-966 
    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
    Description / Table of Contents: Zusammenfassung Mit Hilfe des Mikrospektrophotometers wurden die Absorptionsspektren im Sichtbaren von Farbstoffkristallen und von Querschnitten der mit Metallkomplex-Farbstoff (C. I. Acid Yellow 161) gefärbten Woll-Fasern gemessen. Die Kristall-Spektren zeigen ein scharfes und hohes Maximum bei 410 nm, das der Bande des Farbstoffkristalls zugeordnet werden muß. Die Spektren der Querschnitte gefärbter Fasern zeigen zwei Banden: seine bei 410 nm (Kristallbande) und eine bei 435 nm (Monomerbande). Auch zeigen die Elektronenbeugungen an Querschnitten gefärbter Fasern die Ring des Chromes. Dies läßt vermuten, daß in den Wollfasern Monomeres, Aggregate oder Kristalle des Farbstoffs existieren.
    Notes: Summary The visible absorption spectra of dye crystals and the cross-section of wool fibre dyed with metal complex dye (C. I. Acid Yellow 161) were measured by means of a microspectrophotometer. The spectrum of crystal showed sharp and high maximum at 410 nm referred to as the peak from single crystal of the dye. The spectrum of the cross-section of dyed fibre showed two peaks of 410 nm (crystal-band) and 435 nm (monomeric state of the dye). Also, the electron diffraction pattern of the cross-section of dyed wool fibre showed the reflection ring of chromium. These results suggested that the dye should be present in the wool fibre in the monomeric, aggregate or crystalline state.
    Type of Medium: Electronic Resource
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