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  • 1
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    River-Dominated Shelf Sediments of East Asian Seas (2016)
    London : The Geological Society
    Details
    Description / Table of Contents: The rivers of East Asia are some of the largest and most important to human society and the global economy. They drain a variety of terrains from the Tibetan plateau, the hill country of southern China and the steep mountains of Taiwan. The sediment they carry potentially records the long-term evolution of continental environments within the marine stratigraphic record. Sediments reaching the ocean have to traverse the wide continental shelves where they may be reworked and transported by longshore currents, typhoon storm waves, as well as large ocean currents such as the Kuroshio. Deciphering any marine record requires us to understand the dynamics of sediment transport on the continental shelves, and this region acts as a global type example of such processes. Studies in this volume span a wide range of subdisciplines in the marine sciences and provide new insights into how sediment is distributed offshore after leaving the river mouths.
    Pages: Online-Ressource (VI, 268 Seiten)
    ISBN: 9781862397408
    URL: http://sp.lyellcollection.org/content/429/1
    Language: English
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  • 2
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    Izanagi-Pacific ridge subduction revealed by a 56 to 46 Ma magmatic gap along the northeast Asian margin (2019)
    Geological Society of America (GSA)
    In: Geology
    Details
    Publication Date: 2019
    Description: 〈span〉Recent studies have debated the timing and spatial configuration of a possible intersection between the Pacific-Izanagi spreading ridge and the northeast Asian continental margin during Cretaceous or early Cenozoic times. Here we examine a newly compiled magmatic catalog of ~900 published Cretaceous to Miocene igneous rock radioisotopic values and ages from the northeast Asian margin for ridge subduction evidence. Our synthesis reveals that a nearsynchronous 56–46 Ma magmatic gap occurred across ~1500 km of the Eurasian continental margin between Japan and Sikhote-Alin, Russian Far East. The magmatic gap separated two distinct phases of igneous activity: (1) an older, Cretaceous to Paleocene pre–56 Ma episode that had relatively lower ε〈sub〉Nd(t)〈/sub〉 (–15 to + 2), elevated (〈sup〉87〈/sup〉Sr/〈sup〉86〈/sup〉Sr)〈sub〉0〈/sub〉 (initial ratio, 0.704–0.714), and relatively higher magmatic fluxes (~1090 km〈sup〉2〈/sup〉/m.y.); and (2) a younger, late Eocene to Miocene post–46 Ma phase that had relatively elevated ε〈sub〉Nd(t)〈/sub〉 (–2 to + 10), lower (〈sup〉87〈/sup〉Sr/〈sup〉86〈/sup〉Sr)〈sub〉0〈/sub〉 (0.702–0.707), and a lower 390 km〈sup〉2〈/sup〉/m.y. magmatic flux. The 56–46 Ma magmatic gap links other geological evidence across northeast Asia to constrain an early Cenozoic, low-angle ridge-trench intersection that had profound consequences for the Eurasian continental margin, and possibly led to the ca. 53–47 Ma Pacific plate reorganization.〈/span〉
    Print ISSN: 0091-7613
    Electronic ISSN: 1943-2682
    Topics: Geosciences
    Published by Geological Society of America (GSA)
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  • 3
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    Izanagi-Pacific ridge subduction revealed by a 56 to 46 Ma magmatic gap along the northeast Asian margin (2019)
    Geological Society of America (GSA)
    In: Geology
    Details
    Publication Date: 2019
    Description: 〈span〉〈div〉Abstract〈/div〉Recent studies have debated the timing and spatial configuration of a possible intersection between the Pacific-Izanagi spreading ridge and the northeast Asian continental margin during Cretaceous or early Cenozoic times. Here we examine a newly compiled magmatic catalog of ∼900 published Cretaceous to Miocene igneous rock radioisotopic values and ages from the northeast Asian margin for ridge subduction evidence. Our synthesis reveals that a near-synchronous 56–46 Ma magmatic gap occurred across ∼1500 km of the Eurasian continental margin between Japan and Sikhote-Alin, Russian Far East. The magmatic gap separated two distinct phases of igneous activity: (1) an older, Cretaceous to Paleocene pre–56 Ma episode that had relatively lower ε〈sub〉Nd(t)〈/sub〉 (−15 to + 2), elevated (〈sup〉87〈/sup〉Sr/〈sup〉86〈/sup〉Sr)〈sub〉0〈/sub〉 (initial ratio, 0.704–0.714), and relatively higher magmatic fluxes (∼1090 km〈sup〉2〈/sup〉/m.y.); and (2) a younger, late Eocene to Miocene post–46 Ma phase that had relatively elevated ε〈sub〉Nd(t)〈/sub〉 (−2 to + 10), lower (〈sup〉87〈/sup〉Sr/〈sup〉86〈/sup〉Sr)〈sub〉0〈/sub〉 (0.702–0.707), and a lower 390 km〈sup〉2〈/sup〉/m.y. magmatic flux. The 56–46 Ma magmatic gap links other geological evidence across northeast Asia to constrain an early Cenozoic, low-angle ridge-trench intersection that had profound consequences for the Eurasian continental margin, and possibly led to the ca. 53–47 Ma Pacific plate reorganization.〈/span〉
    Print ISSN: 0091-7613
    Electronic ISSN: 1943-2682
    Topics: Geosciences
    Published by Geological Society of America (GSA)
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  • 4
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    Introduction to the River-Dominated Shelf Sediments of the East Asian Seas (2016)
    Geological Society (of London)
    Details
    Publication Date: 2016-06-26
    Description: Extract The marginal seas of eastern Asia are supplied by some of the largest, and most sediment-rich, rivers on Earth. Many of these rivers have their original sources on the Tibetan Plateau and are fed by the rains of the summer monsoon that are especially intense around the edge of the plateau (Fig. 1). In turn, the climate and tectonically generated topography account for the high sediment loads of the rivers that subsequently construct a number of giant deltas across the region and result in the construction of some of the widest continental shelves seen anywhere globally. Understanding the marine sedimentary records of the East Asian marginal seas has been a focus for geologists for many years. This is because the sediments can be used to constrain the origin of the sedimentary basins themselves, via subsidence analysis, and because the sediments can be used to reconstruct sedimentary conditions onshore in the terrestrial basins at the time of their deposition. Theoretically, the weathering conditions, floral assemblages, and both erosion rates and patterns within the drainage basin might be reconstructed from the sediment deposited within the deltas and under the shelves. ... This 250-word extract was created in the absence of an abstract.
    Print ISSN: 0305-8719
    Electronic ISSN: 2041-4927
    Topics: Geosciences
    Published by Geological Society (of London)
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  • 5
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    Introduction to the River-Dominated Shelf Sediments of the East Asian Seas (2016)
    Geological Society (of London)
    Details
    Publication Date: 2016-06-23
    Description: Extract The marginal seas of eastern Asia are supplied by some of the largest, and most sediment-rich, rivers on Earth. Many of these rivers have their original sources on the Tibetan Plateau and are fed by the rains of the summer monsoon that are especially intense around the edge of the plateau (Fig. 1). In turn, the climate and tectonically generated topography account for the high sediment loads of the rivers that subsequently construct a number of giant deltas across the region and result in the construction of some of the widest continental shelves seen anywhere globally. Understanding the marine sedimentary records of the East Asian marginal seas has been a focus for geologists for many years. This is because the sediments can be used to constrain the origin of the sedimentary basins themselves, via subsidence analysis, and because the sediments can be used to reconstruct sedimentary conditions onshore in the terrestrial basins at the time of their deposition. Theoretically, the weathering conditions, floral assemblages, and both erosion rates and patterns within the drainage basin might be reconstructed from the sediment deposited within the deltas and under the shelves. ... This 250-word extract was created in the absence of an abstract.
    Print ISSN: 0305-8719
    Electronic ISSN: 2041-4927
    Topics: Geosciences
    Published by Geological Society (of London)
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  • 6
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    Phonon density of states of single-crystal SrFe_{2} As_{2} across the collapsed phase transition at high pressure (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-07-26
    Description: Author(s): Y. Q. Wang, P. C. Lu, J. J. Wu, J. Liu, X. C. Wang, J. Y. Zhao, W. Bi, E. E. Alp, C. Y. Park, D. Popov, C. Q. Jin, J. Sun, and J. F. Lin To help our understanding of the structural and superconducting transitions in ferropnictides, partial phonon density of states (PDOS) of iron in a single-crystal SrF e 2 A s 2 pnictide have been investigated from both out-of-plane and in-plane polarizations with respect to the basal plane of the crystal… [Phys. Rev. B 94, 014516] Published Mon Jul 25, 2016
    Keywords: Superfluidity and superconductivity
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 7
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    MBST: Detecting Packet-Level Traffic Anomalies by Feature Stability (2013)
    Oxford University Press
    Details
    Publication Date: 2013-10-02
    Description: In this paper, we present a statistical analysis of six traffic features based on entropy and distinct feature number at the packet level, and we find that, although these traffic features are unstable and show seasonal patterns like traffic volume in a long-time period, they are stable and consistent with Gaussian distribution in a short-time period. However, this equilibrium property will be violated by some anomalies. Based on this observation, we propose a Multi-dimensional Box plot method for Short-time scale Traffic (MBST) to classify abnormal and normal traffic. We compare our new method with the MCST method proposed in our prior work and the well-known wavelet-based and A Short-Timescale Uncorrelated-Traffic Equilibrium (ASTUTE) techniques. The detection result on synthetic anomaly traffic shows that MBST can better detect the low-rate attacks than wavelet-based and MCST methods, and detection result on real traffic demonstrates that MBST can detect more anomalies with lower false alarm rate than the two methods. Especially compared with ASTUTE, MBST performs much better for detecting anomalies involving a few large flows despite a little poor for detecting anomalies involving large number of small flows.
    Print ISSN: 0010-4620
    Electronic ISSN: 1460-2067
    Topics: Computer Science
    Published by Oxford University Press
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  • 8
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    Artificial two-dimensional polar metal by charge transfer to a ferroelectric insulator (2019)
    Details
    Publication Date: 2019
    Electronic ISSN: 2399-3650
    Topics: Physics
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  • 9
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    Macrocyclization of peptidoarylacetamides with self-assembly properties through late-stage palladium-catalyzed C(sp2)▬H olefination (2019)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2019
    Description: 〈p〉Peptide macrocycles often display diverse bioactivities and self-assembly properties, which lead to a variety of applications in medicinal and material sciences. Transition metal–catalyzed C▬H activations are emerging strategies for site-selective functionalization of amino acids and peptides, as well as the construction of cyclic peptides. Here, we report the development of a peptide-directed method for the macrocyclization of peptidoarylacetamides by Pd(II)-catalyzed late-stage C(sp〈sup〉2〈/sup〉)▬H olefination. In this protocol, peptide backbones act as internal directing groups and enable facile preparation of diverse cyclic peptides that are difficult to synthesize by conventional macrolactamization. Furthermore, we show that the incorporation of aryl-alkene cross-link in the backbone constrains cyclic peptides into conformations for self-assembly.〈/p〉
    Electronic ISSN: 2375-2548
    Topics: Natural Sciences in General
    Published by American Association for the Advancement of Science (AAAS)
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  • 10
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    Lamin A buffers CK2 kinase activity to modulate aging in a progeria mouse model. (2019)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2019
    Description: 〈p〉Defective nuclear lamina protein lamin A is associated with premature aging. Casein kinase 2 (CK2) binds the nuclear lamina, and inhibiting CK2 activity induces cellular senescence in cancer cells. Thus, it is feasible that lamin A and CK2 may cooperate in the aging process. Nuclear CK2 localization relies on lamin A and the lamin A carboxyl terminus physically interacts with the CK2α catalytic core and inhibits its kinase activity. Loss of lamin A in 〈i〉Lmna〈/i〉-knockout mouse embryonic fibroblasts (MEFs) confers increased CK2 activity. Conversely, prelamin A that accumulates in 〈i〉Zmpste24〈/i〉-deficent MEFs exhibits a high CK2α binding affinity and concomitantly reduces CK2 kinase activity. Permidine treatment activates CK2 by releasing the interaction between lamin A and CK2, promoting DNA damage repair and ameliorating progeroid features. These data reveal a previously unidentified function for nuclear lamin A and highlight an essential role for CK2 in regulating senescence and aging. 〈/p〉
    Electronic ISSN: 2375-2548
    Topics: Natural Sciences in General
    Published by American Association for the Advancement of Science (AAAS)
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