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  • Articles  (54)
  • Springer  (25)
  • American Physical Society  (19)
  • Wiley-Blackwell  (10)
  • 2020-2021
  • 2005-2009  (24)
  • 1985-1989  (7)
  • 1980-1984  (7)
  • 1970-1974  (1)
  • 1965-1969  (7)
  • 1945-1949  (4)
  • 1935-1939  (4)
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  • Articles  (54)
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  • 1
    ISSN: 1359-5997
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying
    Notes: Abstract A procedure to estimate the failure probabilities of reinforced concrete (R/C) chimneys under severe wind loading which allows for considering realistic correlation values of concrete strength is developed. The results show that the assumption of full correlation of concrete strength within cross-sections, as suggested for example in present codes, may significantly overestimate the failure rates in present examples by two orders of magnitude. However, it is also shown that not only one but a number of cross-sections may contribute to the total failure rate of R/C chimneys. As a consequence, the failure estimates increase, in some cases by as much as two orders of magnitude. In the numerical examples as investigated here these counteracting effects neutralize each other. This fact, however, should not be generalized.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 27 (1936), S. 260-275 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Zusammenfassung Es wird über auffällige petrographische und tektonische Erscheinungen an den Gneisen des Fichtelgebirges berichtet. Die Gneise haben hier alle eine epizonale Dislokationsmetamorphose erfahren, wie sie in den Mylonitgneisen von Goldkronach heute vorliegt. Die epizonale Fazies wurde in den Wunsiedeler „Kerngneisen“ in der Kontakthaube des variscischen Granites katazonal (bis mesozonal) umgeprägt. Eine großartige, an alpine Beispiele erinnernde Tektonik wird durch Gesteinsverknetungen sichtbar. Eine jüngere, 35 km lange Blattverschiebung wird an der gleichsinnigen Verlagerung von Münchberger Gneis (Bernecker Gneiskeil), Paläozoikum, der Achsen der Magmatite und von drei Marmorzügen nachgewiesen.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 54 (1966), S. 742-750 
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary In the determination of materials that are present in very small amounts, it is necessary above all to learn the error of the individual steps of the analysis. The greatest partial error governs the total error of the procedure and usually is due to the inhomogeneity of the material being examined. Only with knowledge of the total error can a decision be reached as to whether the analysis has informational worth, and what apparatus is necessary. The concepts: error, precision, and accuracy are defined and the problem is made clear on the basis of several examples.
    Abstract: Résumé Dans le cas de l'analyse de substances se trouvant en très petites quantités, il est indispensable, en première ligne, d'établir l'erreur intervenant dans chaque étape de l'analyse. L'erreur partielle la plus grande l'emporte sur l'erreur totale du procédé. Elle est due, la plupart du temps, au manque d'homogénéité dû corps étudié. Les notions d'erreur, de précision et d'exactitude se trouvent définies et le problème est rendu explicite à l'aide d'exemples.
    Notes: Zusammenfassung Bei der Analyse von Stoffen, die in sehr geringen Gehalten vorliegen, ist es in erster Linie notwendig, die Fehler der einzelnen Analysenschritte festzustellen. Der größte Teilfehler beherrscht den Gesamtfehler des Verfahrens und ist meist in der Inhomogenität des zu untersuchenden Materials begründet. Erst bei Kenntnis des Gesamtfehlers kann entschieden werden, ob der Analyse Aussagekraft zukommt und welche Apparate notwendig sind. Die Begriffe Fehler, Genauigkeit und Richtigkeit werden definiert und das Problem an Hand einiger Beispiele deutlich gemacht.
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 113 (1982), S. 1079-1085 
    ISSN: 1434-4475
    Keywords: Aluminium ; Crystal Structure ; Iron ; Oxygen ; Rare Earth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract New compounds of magnetoplumbite structure with rare earth-ions were prepared by solid state reactions and determined by X-ray single crystal work. They crystallize in space group D 6h 4 -P63/mmc withA:a=582.6,c=2283;B:a=563.4,c=2208;C:a=565.8,c=2218 pm. The distribution of Fe and Al to the metal positions were determined and the thermal ellipsoids of the metal positions are discussed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Contributions to mineralogy and petrology 1 (1949), S. 573-592 
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Contributions to mineralogy and petrology 1 (1948), S. 269-340 
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Molecular and cellular biochemistry 64 (1984), S. 89-95 
    ISSN: 1573-4919
    Keywords: ethanol ; plasma membranes ; phospholipid (rat liver) ; miocroviscosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Summary Male Wistar rats were maintained for 35–40 days on a liquid diet containing 36% of calories as ethanol. Ethanol was replaced by carbohydrates in the isocaloric diet fed to control animals. The effect of ethanol consumption has been studied on the fluorescence polarization of rat liver plasma membranes and artificial lipid vesicles and on the lipid composition of the membranes. Fluorescence polarization in both membranes and vesicles was determined using DPH and TMA-DPH as fluorescence markers; from these data, the polarization term (ro/r−1)−1 and flow activation energy (ΔE) were calculated. The ethanol consumption induces a more fluid environment within the membrane core of liver plasma membranes; the ethanol-fed rat membranes are more resistant to the in vitro effect of ethanol disordering the membrane structure. Vesicles obtained with lipids from either control membranes or ethanol-fed rat membranes were treated with ethanol and the changes in polarization paralleled to those exhibited by the membranes. The absence of phase transitions and of ΔE changes was also shown in temperature-dependence studies. The lower cholesterol content found in ethanol-fed rat plasma membranes might be responsible for observed variations in the microviscosity.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1617-4623
    Keywords: Glucose repression ; Glucose derepression ; Regulatory genes ; Expression analysis ; Saccharomyces cerevisiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Yeast strains carrying one of the two regulatory mutations cat1 and cat3 are defectve in derepression of several glucose-repressible enzymes that are necessary for utilizing non-fermentable carbon sources. Hence, these strains fail to grow on ethanol, glycerol or acetate. The synthesis of isocitrate lyase, malate synthase, malate dehydrogenase and fructose-1,6-bisphosphatase is strongly affected in cat1 and cat3 strains. Genes CAT1 and CAT3 have been isolated by complementation of the cognate, mutations after transformation with an episomal plasmid gene library. The restriction map of CAT1 proved its allelism to the earlier isolated SNF1 gene. Both genes appear to exist as single-copy genes per haploid genome as indicated by Southern hybridization. Northern analysis has shown that the 1.35 kb CAT3 mRNA is constitutively expressed, independent of the carbon source in the medium. Derepression studies with CAT3 transformants using a multi-copy plasmid showed over-expression of glyoxylate cycle enzymes. This result would be consistent with a direct effector function for the CAT3 gene product.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of economics 8 (1937), S. 584-596 
    ISSN: 1617-7134
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of economics 7 (1936), S. 475-482 
    ISSN: 1617-7134
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Type of Medium: Electronic Resource
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