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  • Wiley  (55)
  • Heidelberg: Springer
  • Macmillan Magazines Ltd.
  • Nature Publishing Group
  • 2015-2019  (25)
  • 2010-2014  (18)
  • 1995-1999  (14)
  • 1980-1984  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Time-dependent models of single- and double-layer mantle convection (1984)
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 533-535 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Models of mantle convection have been proposed with several different combinations of convecting layers, including convection confined to the upper mantle, convection in separate layers in the upper and lower mantle, and whole-mantle convection2-10. The models of double-layer convection have been ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/308533a0
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  • 2
    Electronic Resource
    Electronic Resource
    Hot times in the solar nebula (1995)
    [s.l.] : Nature Publishing Group
    Nature 377 (1995), S. 578-579 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] How hot did it get? That question was on the minds of meteoriticists gathered in Washington DC this September*. While autumn breezes cooled the Mall, scientists meeting deep underground presented convincing evidence that the early solar nebula was considerably hotter than has been thought likely ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/377578a0
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  • 3
    Electronic Resource
    Electronic Resource
    Giants and dwarfs meet in the middle (1996)
    [s.l.] : Nature Publishing Group
    Nature 379 (1996), S. 397-398 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] How massive can a giant planet be? What is the lowest mass for a brown dwarf star? The answers to both of these questions have changed because of observations presented at a recent meeting187th Meeting of the American Astronomical Society, San Antonio, USA, 14-18 January 1996.Geoffrey W. Marcy (San ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/379397a0
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  • 4
    Electronic Resource
    Electronic Resource
    Timing is everything (1995)
    [s.l.] : Nature Publishing Group
    Nature 375 (1995), S. 13-14 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] How long did the earliest phases of planet formation last in the inner Solar System? New measurements of aluminium isotope abundances in primitive meteorites imply that rocky solids were formed in a dusty disk over a period of about 10 million years (Myr). That period of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/375013a0
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  • 5
    Electronic Resource
    Electronic Resource
    Planet formation Twin planetary systems in embryo (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 395 (1998), S. 320-321 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Size does matter, especially when it comes to radio telescopes. With a maximum extent of 36 km, the Very Large Array (VLA) of 27 radio telescopes yields sharper images at millimetre wavelengths than any other instrument. Rodríguez et al., reporting on page 355 of this issue, have ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/26331
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  • 6
    Electronic Resource
    Electronic Resource
    Astrometric signatures of giant-planet formation (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 393 (1998), S. 141-143 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The discovery of giant planets orbiting nearby solar-type stars raises anew the question of how they formed. Two very different mechanisms have been proposed. Gravitational instability, is the process by which planets form directly from the gas in the accrection disk around the young star. The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/30177
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  • 7
    Electronic Resource
    Electronic Resource
    Gene regulation: Enhancer elements in immunoglobulin genes (1983)
    [s.l.] : Nature Publishing Group
    Nature 303 (1983), S. 281-282 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EXPERIMENTS designed to explore the control of antibody production have revealed for the first time the existence of enhancer sequences in eukaryotic genes. Enhancers, until now identified only in viruses, are short regulatory sequences that increase the rate of transcription from many eukaryotic ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/303281a0
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  • 8
    Electronic Resource
    Electronic Resource
    Insertion of N regions into heavy-chain genes is correlated with expression of terminal deoxytransferase in B cells (1984)
    [s.l.] : Nature Publishing Group
    Nature 311 (1984), S. 752-755 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The two cell lines used in our study, 40E4 and 22D6, were produced by Abelson murine leukaemia virus (A-MuLV) transformation of BALB/c fetal liver at 13-14 and 17-19 days of gestation, respectively. These cell lines produce no detectable immunoglobulin12; they possess DJH rearrangements on both ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/311752a0
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  • 9
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    Optical backscattering is correlated with phytoplankton carbon across the Atlantic Ocean. (2013)
    Wiley
    Details
    Publication Date: 2013-02-16
    Description: [1]  Phytoplankton are an important component of the oceanic carbon cycle. Yet, due to methodological constraints, the carbon biomass of phytoplankton is poorly characterised. To address this limitation, we have explored the bio-optical relationship between in-situ measurements of the particle backscattering coefficient at 470 nm, b bp (470), and the phytoplankton carbon concentration for cells with diameter less than 20  μ m (C f ). We found a significant relationship between b bp (470) and C f for Atlantic oceanic waters with chlorophyll-a concentrations less than 0.4 mg m -3 (or b bp (470) 〈 0.003 m -1 ). This relationship could be used to estimate C f from data collected by in-situ autonomous platforms and from remote sensing of ocean colour.
    Print ISSN: 0094-8276
    Electronic ISSN: 1944-8007
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 10
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    Optical properties of the Dead Sea (2013)
    Wiley
    Details
    Publication Date: 2013-02-13
    Description: [1]  The Dead Sea, located in the rift valley between Jordan and Israel, is a hypersaline lake, resulting in unique biogeochemistry and optical properties. In the spring of 2004 we conducted two days of physical and optical measurements in the lake. Because of the significant effect of dissolved salts onthe optical propertiesof water,our analysis required a novel processing approach to obtain dissolved and total inherent optical properties from the measurements. In addition, we show that the lake's salinity can be estimated from measurements of hyper-spectral absorption or attenuation spectra in the red and infrared parts of the spectrum, using published values of specific absorption of dissolved NaCl, despite the fact that the lake's salt chemistry is complex. In situ observations demonstrated that the lake has a two-layer structure with a warm and more turbid layer at the top 20-30 m and a clearer colder layer below. Both the particulate and dissolved absorption are well approximated by exponentially decreasing functions with the spectral slope of the particulate absorption about half that of the dissolved fraction and consistent with other aquatic environments. Both have relatively low and similar magnitudes in the blue (O(0.15 m -1 )). Mean particle size was observed to increase with depth consistent with precipitating salt crystals (observed in past campaigns) shown here toplay a major role in the lake's optical properties.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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