Browsing by Title Artículos de revistas
Now showing items 1265-1284 of 7549
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(PERGAMON-ELSEVIER SCIENCE LTD, 2008-12)Recent work in the central Andean Main Range of Chile near Laguna del Laja (similar to 37.5 degrees S, 71 degrees W) has produced the first mammal fossils for the region. Fossils, locally abundant and well preserved, occur ...
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(Blackwell Publishing Ltd, 2018)The Chilean Frontal Cordillera, near 28°450 S, provides a remarkable example to explore the evolution of the Central Andes; this area provides conspicuous pediment surfaces and continental deposits, which allowed us to ...
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(Universidad Tecnológica Metropolitana Estado Chile, 2020)Desde finales de febrero de 2020 Chile ha vivido un acontecimiento único en los últimos 99 años. Una pandemia que ha causado más fallecidos que el terremoto de 1939 en Chillán, donde oficialmente murieron casi 6 mil ...
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(Frontiers Media S.A., 2019)Age-related hearing loss is associated with cognitive decline and has been proposed as a risk factor for dementia. However, the mechanisms that relate hearing loss to cognitive decline remain elusive. Here, we propose that ...
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(SAGE Publications Inc., 2019)
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(IEEE-Inst. Electrical Electronics Engineers, 2021)In this work, a continuous-control-set model predictive control (CCS-MPC) strategy, with a saturation scheme for protection, is presented for regulating the circulating currents of a modular multilevel matrix converter ...
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(Oxford University Press, 2018)We present 3D hydrodynamical models of the HD 142527 protoplanetary disc, a bright and well-studied disc that shows spirals and shadows in scattered light around a 100 au gas cavity, a large horseshoe dust structure in mm ...
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(Universidad Autonoma del Estado de Mexico, 2019)This article offers an analysis of the notion of liberal-Marshallian citizenship in the light of the impact that neoliberalization processes have. We describe an approach to the hypothesis that neoliberalism does not allow ...
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(Nature Publishing Group, 2019)Protein kinase CK2 is a highly conserved and constitutively active Ser/Thr-kinase that phosphorylates a large number of substrates, resulting in increased cell proliferation and survival. A known target of CK2 is Akt, a ...
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(Elsevier, 2014)Supporting formal and informal meetings with digital information and ubiquitous software systems every day becomes increasingly mandatory. These meetings require that the integration of devices participating in the meeting ...
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(Society for Industrial and Applied Mathematics, 2013)Given W = M−1, with M a tridiagonal M-matrix, we show that there are two diagonal matrices D,E and two nonsingular ultrametric matrices U, V such that DWE is the Hadamard product of U and V . If M is symmetric and row ...
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(Taylor & Francis, 2015)We define class-closing factor codes from shifts of finite type and show that they are continuing if their domains are irreducible and their images are of finite type. We establish several relations between class-closing ...
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(Royal Society Publishing, 2015)We show that the classical homogenization is able to describe the dispersion relation of spoof plasmons in structured thick interfaces with periodic unit cell being at the subwavelength scale. This is because the interface ...
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(National Academic Sciences Ukraine, 2015)We demonstrate how a known Whittaker function integral identity arises from the t = 0 and q -> 1 limit of the Macdonald polynomial eigenrelation satisfied by Noumi's q-integral operator.
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(Elsevier, 2016)Novel organic thiophene derivatives, (E)-Bis-1,2-(5,5 ''-Dimethyl-(2,2':3',2 ''-terthiophene)vinylene (BSTV) and (E)-Bis-1,2-(5,5 ''-Dimethyl-(2,2':3',2 '':3',2'''-tetrathiophene)vinylene (BOTV), with different numbers of ...
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(Oxford Univ Press, 2019)This paper presents optical (ugriH alpha)-infrared (JHKs, 3.6-8.0 mu m) photometry and Gaia astrometry of 55 Classical T-Tauri stars (CTTS) in the star-forming region Sh 2-012 and its central cluster NGC6383. The sample ...
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(Elsevier, 2017)The determination of hardness and approximate mineral composition of rocks and classifying these litholo-gies aids in controlling various processes in the plant, such as reducing the grinding process, which accountsfor ...
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(Amer Mathematical Soc, 2015)Motivated by Hochman's notion of subdynamics of a Z(d) subshift (2009), we define and examine the projective subdynamics of Z(d) shifts of finite type (SFTs) where we restrict not only the action but also the phase space. ...
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(MDPI, 2021)Clay minerals are the signature of hydrothermal alterations related to fluid circulation in volcanic and crystalline rocks. In the French part of the Upper Rhine Graben, in the deep-seated granites, illitic minerals ...
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(Royal Meteorological Society, 2011-06-12)Long-term precipitation records from the extremely arid northern coast of Chile (18 °S–30 °S) were analysed to assess changes occurring at different time scales. Results are presented here along with a discussion on changes ...
