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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 129 (1932), S. 507-508 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT has been found experimentally,1 that the equivalent conductivity of glasses of the system B2O3 + Na2O increases very sharply (a million-fold) with the concentration of sodium in the glass. This increase begins at a definite concentration, about ...
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 221 (1969), S. 1264-1264 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sprague-Dawley male rats, 120-180 g, were obtained from Hormone Assay (Chicago, Illinois) and housed 72 h before use. The weights of control and treated animals were within a 20 g range at the start of each experiment. Animals were killed by a blow on the head and the adrenal glands were rapidly ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 449 (2007), S. 795-796 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Look up 'speed boosting' on the Internet and you'll find recipes for boosting the speed of computers, modems, cars, photographic film, gas turbines and even your golf cart. But how would you increase the speed of a continent ploughing through Earth's viscous, churning mantle? Kumar et al. (page ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 190 (1961), S. 480-482 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS article presents a summary of work on the primary structure of human haemoglobin A which was begun five years ago in the Max-Planck-Institut fur Biochemie; the results have been published during the past two years in various publications, and we wish to summarize and discuss them here. The ...
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  • 5
    Publication Date: 2019-09-23
    Description: The origin of the Christmas Island Seamount Province in the northeast Indian Ocean is enigmatic. The seamounts do not form the narrow, linear and continuous trail of volcanoes that would be expected if they had formed above a mantle plume1, 2. Volcanism above a fracture in the lithosphere3 is also unlikely, because the fractures trend orthogonally with respect to the east–west trend of the Christmas Island chain. Here we combine 40Ar/39Ar age, Sr, Nd, Hf and high-precision Pb isotope analyses of volcanic rocks from the province with plate tectonic reconstructions. We find that the seamounts are 47–136 million years old, decrease in age from east to west and are consistently 0–25 million years younger than the underlying oceanic crust, consistent with formation near a mid-ocean ridge. The seamounts also exhibit an enriched geochemical signal, indicating that recycled continental lithosphere was present in their source. Plate tectonic reconstructions show that the seamount province formed at the position where West Burma began separating from Australia and India, forming a new mid-ocean ridge. We propose that the seamounts formed through shallow recycling of delaminated continental lithosphere entrained in mantle that was passively upwelling beneath the mid-ocean ridge. We conclude that shallow recycling of continental lithosphere at mid-ocean ridges could be an important mechanism for the formation of seamount provinces in young ocean basins.
    Type: Article , PeerReviewed
    Format: text
    Format: text
    Format: other
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