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  • 1
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    The Fourier Transform and its Applications (1965)
    McGraw-Hill
    In:  New York, McGraw-Hill, vol. 173, pp. 158, (ISBN 0-444-50968-2)
    Details
    Publication Date: 1965
    Keywords: Fourier transform ; Textbook of mathematics
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Experimental evidence of bark beetle adaptation to a fungal symbiont (2015)
    Wiley
    Details
    Publication Date: 2015-10-20
    Description: The importance of symbiotic microbes to insects cannot be overstated; however, we have a poor understanding of the evolutionary processes that shape most insect–microbe interactions. Many bark beetle (Coleoptera: Curculionidae, Scolytinae) species are involved in what have been described as obligate mutualisms with symbiotic fungi. Beetles benefit through supplementing their nutrient-poor diet with fungi and the fungi benefit through gaining transportation to resources. However, only a few beetle–fungal symbioses have been experimentally manipulated to test whether the relationship is obligate. Furthermore, none have tested for adaptation of beetles to their specific symbionts, one of the requirements for coevolution. We experimentally manipulated the western pine beetle–fungus symbiosis to determine whether the beetle is obligately dependent upon fungi and to test for fine-scale adaptation of the beetle to one of its symbiotic fungi, Entomocorticium sp. B. We reared beetles from a single population with either a natal isolate of E . sp. B (isolated from the same population from which the beetles originated), a non-natal isolate (a genetically divergent isolate from a geographically distant beetle population), or with no fungi. We found that fungi were crucial for the successful development of western pine beetles. We also found no significant difference in the effects of the natal and non-natal isolate on beetle fitness parameters. However, brood adult beetles failed to incorporate the non-natal fungus into their fungal transport structure (mycangium) indicating adaption by the beetle to particular genotypes of symbiotic fungi. Our results suggest that beetle–fungus mutualisms and symbiont fidelity may be maintained via an undescribed recognition mechanism of the beetles for particular symbionts that may promote particular associations through time. How ectosymbioses are maintained through evolutionary time is not well understood. Here, we experimentally manipulated a bark beetle–fungus symbiosis and for the first time demonstrate the obligate nature of the relationship. Further, we find evidence of beetle adaptation to a fungal genotype with a shared evolutionary history.
    Electronic ISSN: 2045-7758
    Topics: Biology
    Published by Wiley
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    PAPER CURRENT
  • 3
    Electronic Resource
    Electronic Resource
    Computer Image Processing (1979)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Astronomy and Astrophysics 17 (1979), S. 113-134 
    Details
    ISSN: 0066-4146
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.aa.17.090179.000553
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Communications from Superior Galactic Communities (1960)
    [s.l.] : Nature Publishing Group
    Nature 186 (1960), S. 670-671 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE Morrison and Cocconi1 published the suggestion that there might be advanced societies elsewhere in the Galaxy, superior to ourselves in technological development, who are beaming transmissions at us on a frequency of 1,420 Mc./s., Drake2 has described equipment under construction to look for ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/186670a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Detecting nonsolar planets by spinning infrared interferometer (1978)
    [s.l.] : Nature Publishing Group
    Nature 274 (1978), S. 780-781 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Reference data for the standard system are as follows (planet Jupiter in parentheses). Temperature 6,000 K (128 K), angular diameter 4.7xlO9 (4.7 x 1010), distance 3xl017m, angular separation 2.6xlO6. At maximum elongation, the visible planetary light is 2 x 10 9 of the starlight, assuming an ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/274780a0
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  • 6
    Electronic Resource
    Electronic Resource
    Possible High-frequency Modulation of Light from the Crab Pulsar (1971)
    [s.l.] : Nature Publishing Group
    Nature 229 (1971), S. 186-187 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In this model, the optical and X-ray radiation is produced by synchrotron radiation from electrons and positrons produced by y-ray annihilation in the strong magnetic field of the pulsar. The primary flux of charged particles, from the magnetic polar caps, is believed to be highly bunched, the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/229186a0
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  • 7
    Electronic Resource
    Electronic Resource
    The Sunspot Number Series (1953)
    [s.l.] : Nature Publishing Group
    Nature 171 (1953), S. 649-650 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The objects of analysis have been twofold: to discover a process which would yield a time series resembling the sunspot series, and to predict the future of the series, which incidentally would be very valuable in relation to telecommunications. No suggested process has been substantiated and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/171649a0
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  • 8
    Electronic Resource
    Electronic Resource
    Solar quiescent prominences at 10.7 GHz (1981)
    [s.l.] : Nature Publishing Group
    Nature 290 (1981), S. 758-759 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although the filaments are very thin, subtending about 8 geocentric arc s when seen vertically, nevertheless, "regions of reduced radio brightness situated above filaments" were detected1 in 1959 and explained in terms of "relatively cold prominences which are optically thick to 8-mm radiation". ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/290758a0
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  • 9
    Electronic Resource
    Electronic Resource
    An Observer moving in the 3° K Radiation Field (1968)
    [s.l.] : Nature Publishing Group
    Nature 219 (1968), S. 1343-1344 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The purpose of this communication is to demonstrate classically that in any one direction the spectrum remains that of a black-body. The temperature T' associated with the direction making an angle q with the direction of motion is given by T' = T(l + bcosq), where b=v/c and is assumed to be much ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2191343a0
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  • 10
    Electronic Resource
    Electronic Resource
    And finally... (2006)
    [s.l.] : Nature Publishing Group
    Nature 443 (2006), S. 26-26 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir We read with interest William F. Laurance's Correspondence letter “Second thoughts on who goes where in author lists” (Nature 442, 26; 2006). We have also noted in this and other journals an increasing number of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/443026d
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