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  • 1980-1984  (3)
  • 1945-1949  (2)
  • 1980  (3)
  • 1947  (2)
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  • 1980-1984  (3)
  • 1945-1949  (2)
Year
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  • 1
    Electronic Resource
    Electronic Resource
    Stopped-flow radiationless energy transfer kinetics: direct observation of enzyme-substrate complexes at steady state (1980)
    s.l. : American Chemical Society
    Biochemistry 19 (1980), S. 5297-5302 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00564a023
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Angular Distribution of Protons Ejected in the Disintegration of Nitrogen by α-Particles (1947)
    [s.l.] : Nature Publishing Group
    Nature 159 (1947), S. 127-127 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] USING a powerful polonium source and an especially well-defined geometry, we have recently obtained 850 expansion-chamber photographs showing 90 proton tracks produced on the disintegration of nitrogen by α-particle bombardment. Our arrangement, therefore, gave on the average one disintegration ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/159127a0
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Nuclear Explosion Recorded by Photographic Emulsion Method (1947)
    [s.l.] : Nature Publishing Group
    Nature 160 (1947), S. 498-498 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE existence of multiple disintegration produced by cosmic rays in photographic emulsion has been recorded by Perkins11 and by Occhialini and Powell2. These multiple disintegrations, recorded at high altitudes, were attributed to slow mesons and resulted in the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/160498a0
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Air pollution in Montreal: A statistical analysis of sulphur dioxide data (1980)
    Springer
    Water, air & soil pollution 13 (1980), S. 143-156 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract In this paper the air pollution data related to SO2 emissions are studied for 14 stations in the city of Montreal for 1975. Some descriptive statistics are computed in order to characterize the overall pollution situation: monthly means of hourly measures, overall monthly means, relative frequencies of daily means and of daily maxima. The seasonal effects can easily be seen. Then some comparative analyses are made in order to study the proximities between the stations: Chernoff's faces, Andrews' graphs, STATIS and arrowhead charts. It is seen that the stations can be separated in three main groups in which different pollution sources can be identified. Finally correlation coefficients are computed for every pair of stations and some interesting comments can be made with respect to the sources of pollution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02279542
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Skeletal muscle fiber splitting with weight-lifting exercise in rats (1980)
    New York, NY [u.a.] : Wiley-Blackwell
    American Journal of Anatomy 157 (1980), S. 433-440 
    Details
    ISSN: 0002-9106
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: Adult male albino rats were assigned randomly to control (CON) and weight-lifting (WL) groups. The WL rats were subjected to a progressive weight-lifting program against high resistance for 8 weeks. During the last 2 weeks, each WL rat lifted a load equal to 130% of its body weight. The mean weight of the adductor longus muscle was significantly increased in the WL group (p 〈 0.05). This increased muscle weight was shown to be due to an increase in the number of fibers per unit cross-sectional area (p 〈 0.05), and the mean sizes of both fast-twitch oxidative glycolytic and slow-twitch oxidative fibers were significantly smaller in the WL rats than in the CON rats (p 〈 0.05). Light and electron microscopic examination showed that five out of eight WL rats exhibited longitudinally split muscle fibers, while only one CON rat had a few centrally placed nuclei. The splitting process appeared as either a “pinching-off” of a small segment from the parent fiber or an invagination of the sarcolemma deep into the muscle fiber in a plane parallel to the sarcomeres. There were preliminary indications that this work-induced fiber-splitting process may be a physiological adaptation of muscle to the stress of exercise.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aja.1001570410
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    Paper (German National Licenses)
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