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  • Electronic Resource  (47)
  • 1980-1984  (10)
  • 1965-1969  (36)
  • 1905-1909  (1)
Material
  • Electronic Resource  (47)
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 39 (1983), S. 1118-1120 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 40 (1984), S. 1793-1795 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Polymer bulletin 8 (1982), S. 527-534 
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Results are described of TSD- and TSP-measurements of Poly (Phenylquinoxaline) in dependence on the degree of annealing and on the polarizing field strength. Seven relaxations regions are investigated and discussed. Electronic and ionic space charge regions are observed and discussed in detail. It is shown that dielectric losses in polymers do not result from dipolar processes only, but also from translational motion of charge carriers.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 310 (1983), S. 65-73 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Medium and high spin states in145Gd up to 3.5 MeV excitation energy have been studied by in-beam gamma ray and conversion electron spectroscopy bombarding enriched144Sm target with a3He beam. For a part of the identified levels a configuration is proposed in terms of weak coupling of one neutron hole with the146Gd core or of one neutron particle with the144Gd core.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    European food research and technology 139 (1969), S. 211-219 
    ISSN: 1438-2385
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Zusammenfassung Die Arbeiten zur Überprüfung von Losungsmittelrückstanden aus entcoffeiniertem Rohkaffee wurden fortgeführt. Es ergab sich, daß nur eine Dampfung mit Sattdampf das Lösungsmittel optimal entfernt. Zum Nachweis halogenhaltiger Lösungsmittel-spuren in extrahierten Produkten wurde ein gaschromatographisches Verfahren ausgearbeitet. Die Frage des Arbeitens mit markiertem Lösungsmittel wurde erneut iiberpriift. Den Herren Prof. Dr.B. Eistert und Prof. Dr.E. Blasius danken wir für die Unterstützung mit Institutsmitteln.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 209 (1966), S. 1148-1149 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The purpose of the investigation described in this communication was to estimate the rate of elimination of phenylalanine from the blood. We tested seventeen healthy adults, nine heterozygotes, and six phenylketonurics. First we obtained a fasting specimen of capillary blood by means of a ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 253 (1966), S. 76-77 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 61 (1968), S. 30-39 
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Zusammenfassung Neurospora sitophila 299 (pyridoxinbedürftig) zeigt mit steigendem Angebot an Pyridoxol · HCl im Medium statistisch gesicherte Zunahmen an Protein, Zellwandsubstanzen (einschließlich Chitin) und Asche sowie Abnahmen an RNA und DNA. Der Lipidgehalt ist vom Pyridoxolangebot unabhängig. Der Durchmesser der Hyphen ist im Pyridoxinmangel statistisch signifikant größer als bei ausreichenden Gaben. Bei elektronenmikroskopischer Betrachtung gibt es keinen Anhalt für Pyridoxin-induzierte Veränderungen der Zellwandstärke.
    Notes: Summary With rising concentrations of pyridoxine in culture mediumNeurospora sitophila 299 (pyridoxineless) shows a significant increase of the relative amounts of protein, cell wall substances (incl. chitin), and ash, and a decrease of RNA and DNA. The lipid contents remain unchanged. The diameters of pyridoxine deficient hyphae are significantly greater than those of normal hyphae. Electron microscopic examination shows that B6-deficient cells do not contain a thinner or thicker than normal cell wall layer external to the membrane.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 44 (1966), S. 1076-1081 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary 1. The phenylalanine tolerance was estimated after intravenous injection of L-phenylalanine in premature newborns, mature newborns, infants and normal adults. The elimination of phenylalanine from the blood followed the pattern of a monomolecular reaction. The rate of elimination was, therefore, chosen for the comparison of the degree of tolerance. 2. The tolerance of phenylalanine was markedly reduced in most of the prematures; the same was found in some of the mature newborn infants. Compared with the tolerance in adults there was no decrease of phenylalanine tolerance in most of the mature newborns and in all infants. 3. The relation of phenylalanine tolerance to the activity of phenylalanine hydroxylase and to the development of the phenylalanine hydroxylase system was discussed.
    Notes: Zusammenfassung 1. Die Phenylalanin-Toleranz wurde vergleichend bei Frühgeborenen, reifen Neugeborenen, Säuglingen und Erwachsenen bestimmt. Die Untersuchung erfolgte nach intravenöser Injektion von L-Phenylalanin. Die Elimination von Phenylalanin aus dem Blut erfolgte entsprechend einer Exponentialfunktion. Zur Beurteilung des Toleranzgrades wurde die Eliminationshalbwertszeit gewählt. 2. Die Phenylalanin-Toleranz war bei den meisten Frühgeborenen herabgesetzt. Bei reifen Neugeborenen kamen Toleranzverminderungen vor; sie waren jedoch wesentlich seltener. Die meisten Neugeborenen und alle Säuglinge zeigten eine Phenylalanin-Toleranz, die der beim normalen Erwachsenen entspricht. 3. Es werden die Beziehungen diskutiert, die zwischen der Phenylalanin-Toleranz und der Aktivität der Phenylalaninhydroxylase bestehen, und es wird auf die bei neonatalen Tieren beobachteten Aktivitätsverminderung des Phenylalaninhydroxylase-Systems hingewiesen.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 19 (1984), S. 2145-2152 
    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 A heat flow model is presented of the solidification process of a thin melt layer on a heat conducting substrate. The model is based on the two-dimensional heat conduction equation, which was solved numerically. The effect of coexisting regions of good and bad thermal contact between foil and substrate is considered. The numerical results for thermal parameters of the Al-Cu eutectic alloy show considerable deviations from one-dimensional solidification models. Except for drastic differences in the magnitude of the solidification rate near the foil-substrate interface, the solidification direction deviates from being perpendicular to the substrate and large lateral temperature gradients occur. Interruption of the thermal contact may lead to back-melting effects. A new quantity, the effective diffusion length, is introduced which allows some conclusions to be drawn concerning the behaviour of the frozen microstructure during subsequent cooling.
    Type of Medium: Electronic Resource
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