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  • 1955-1959  (3)
  • 1930-1934  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Determination of Fluorine in Phosphoro- and Phosphonofluoridates (1959)
    s.l. : American Chemical Society
    Analytical chemistry 31 (1959), S. 1970-1974 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60156a023
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Novelty throughout Nature. (1931)
    [s.l.] : Nature Publishing Group
    Nature 127 (1931), S. 519-520 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IF I characterise a kind of evolution as advance through new products towards further novelty, there are many who will roundly deny that there is evidence of anything of the sort. Hence a live issue. (1) Let us first in some way define novelty. In a preliminary way one may say that what ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/127519a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Aging of Silica-Alumina Cracking Catalyst. I. Kinetics of Structural Changes by Eeat and Steam (1957)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 61 (1957), S. 714-722 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150552a003
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Subjective Aim in Professor Whitehead's Philosophy (1931)
    Cambridge : Cambridge University Press
    Philosophy 6 (1931), S. 281-294 
    Details
    ISSN: 0031-8191
    Source: Cambridge Journals Digital Archives
    Topics: Philosophy
    Notes: In Process and Reality Professor A. N. Whitehead formulates a Cosmology which embodies a resolute attempt to combine in one philosophical synthesis a scientific account of Concrescence with a metaphysical explanation thereof in terms of Creativity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0031819100032174
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  • 5
    Electronic Resource
    Electronic Resource
    Time studies of ionization processes (1956)
    Springer
    Flow, turbulence and combustion 5 (1956), S. 18-22 
    Details
    ISSN: 1573-1987
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary Measurements of the temporal growth of ionization between parallel plane electrodes in hydrogen have been made. The results show that for low values (∼ 40 V/cm mm Hg) of the ratio of electric fieldE to gas pressurep the growth times can be short (≤ 1Μs for over-voltagesδ V ∼ 1 %) while at values ofE/p ∼ 300 V/cm mm Hg the times are of the order of milli seconds withδV ∼ 5%. Comparison of the experimental data with Davidson's mathematical analysis of current growth based upon the action of primary and secondary ionization processes shows that the relative significance of the possible secondary processes changes asE/p is altered. For the low values ofE/p, the predominant secondary process contributing to the growth was found to be photoelectric emission from the cathode, but with increasing values ofE/p the role of positive ion interaction with the cathode becomes increasingly important. No single secondary process was exclusively operating in any of the conditions examined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02069962
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