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  • Springer  (64)
  • Nature Publishing Group  (4)
  • Cell Press
  • Oxford University Press
  • 1995-1999
  • 1960-1964  (42)
  • 1950-1954  (26)
  • 1960  (42)
  • 1954  (26)
Collection
Years
  • 1995-1999
  • 1960-1964  (42)
  • 1950-1954  (26)
Year
  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 1192-1193 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The pneumococcal product differs markedly, however, from N-acetylhyalobiuronic acid, the repeating unit of hyaluronate3 and of the oligosaccharide fractions obtained on digestion with testicular hyaluronidase2 as demonstrated in Table 1. The values indicate that the bacterial product is a ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 174 (1954), S. 555-556 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The fact that ascorbic acid itself has a bactericidal action was shown by von Gagyi3 and myself4. Cysteine has been used in the treatment of hepatitis and also in the treatment of mustard gas burns of the skin ; for which latter purpose I devised5 an electrophoretic method. As is well known, ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 188 (1960), S. 506-506 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A second group of proteins was also found which possessed a mobility on filter paper similar to, but not identical with, that of albumin. They migrate at the same rate as the slow portion of the albumin and in starch gel can be separated from albumin only in a discontinuous system of buffers. These ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 186 (1960), S. 801-803 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the course of a series of investigations on unstable low-temperature deposits we have chosen the sulphur system as a model. A summary of our results follows3. Each apparatus consisted of four units in series: (1) sulphur reservoir with large liquid surface at temperature vs C.; (2) heated ...
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 158 (1960), S. 379-385 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Parametric amplifiers have been developed during the last years to get a low noise amplification of weak electromagnetic signals. This paper describes simple experiments to demonstrate the basic principles by an electrical arrangement with variable capacity and by a mechanical set-up with capillary-gravity waves on a water surface. An explanation of the parametric oscillation and amplification is given in connection with these experiments.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 159 (1960), S. 563-583 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In a previous paper direct electron-intensity measurements in Debye-Scherrer diagrams of aluminium have been described. A retarding field apparatus was used for investigations into the influence of crystal size and electron energy (15 to 50 keV) on the elastic diffraction intensities. The validity range of the kinematical theory could be determined. By means of a retarding field the inelastically scattered electrons were separated from the elastically scattered electrons (energy loss below 2 eV). In this paper the retarding field apparatus by which scattering intensities can be measured with good accuracy (≈ 2%) is described in detail. It is compared with other arrangements for the measurements of angular and energy distributions of scattered electrons.
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 138 (1954), S. 465-477 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung Ein Absorber für elektromagnetische Zentimeterwellen wird beschrieben, der aus gleichen, regelmäßig über eine Metallfläche verteilten Resonanzelementen aufgebaut ist. Sie sind in ihren Abmessungen klein zur Wellenlänge und sprechen auf die magnetische Feldstärke an. Durch geeignete Wahl des Resonanzwiderstandes des einzelnen Elements und durch die Zahl der Elemente pro Flächeneinheit kann man erreichen, daß die gesamte auftreffende Energie absorbiert und die Fläche reflexionsfrei wird.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 139 (1954), S. 372-387 
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung Es wird eine Doppelionisationskammer beschrieben, die es gestattet in Verbindung mit einer geeigneten elektronischen Anordnung Kernprozesse zu zählen, die von der kosmischen Strahlung im Kammergas ausgelöst werden. Die Kammer ist mit reinstem Argon von 100 Atm Druck gefüllt und hat ein wirksames Volumen von 900 cm3. Sie wurde verwendet, um die Absorption der sternerzeugenden Strahlung in Blei und in Kohle zu untersuchen. Die Messung mit Bleiabsorbern zeigte ein Übergangsmaximum bei etwa 1 cm Blei, für größere Absorberdicken ergab sich eine Absorptionsschicht von 320 ± 50 g cm−2. Bei den Messungen mit Kohleabsorbern wurde ein Übergangsmaximum bei 25 cm Kohle gefunden.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 10 (1954), S. 371-371 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The microphotometric absorptiometry of single isolated melanin granula and the photometric analysis of a KOH extract from a melanoblastoma metastasis show an extinction strongly increasing to the violet end of the spectrum, without any remarkable extinction maximum.
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 10 (1954), S. 215-216 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The investigation deals with the successful heterologous transplantation of the Mouse Crocker-Sarcoma on young rats, that were pretreated with the radioactive isotopes P32 and Au198. The growth tendency of the tumours varies according to the character of the radioactive isotope, the mode of administration and the interval between the injection of the radioactive substance and the heterotransplantation.
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