Artículos de revistas: Recent submissions

Now showing items 1281-1300 of 7550

    • Red Dots: A temperate 1.5 Earth-mass planet in a compact multi-terrestrial planet system around GJ 1061? 
      Dreizler, S.; Jeffers, S. V.; Rodríguez, E.; Zechmeister, M.; Barnes, J. R.; Haswell, C. A.; Coleman, G.; Lalitha, S.; Hidalgo Soto, D.; Strachan, J. B. P.; Hambsch, F.-J.; López González, M. J.; Morales, N.; Rodríguez López, C.; Berdiñas, Z. M.; Ribas, I.; Pallé, E.; Reiners, A.; Anglada Escudé, G. (Oxford University Press, 2020)
      Small low-mass stars are favourable targets for the detection of rocky habitable planets. In particular, planetary systems in the solar neighbourhood are interesting and suitable for precise characterization. The RedDots ...
    • Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation ... 
      Feng, Fabo; Butler, R. Paul; Shectman, Stephen A.; Crane, Jeffrey D.; Vogt, Steve; Chambers, John; Jones, Hugh R. A.; Wang, Sharon Xuesong; Teske, Johanna K.; Burt, Jenn; Díaz, Matías R.; Thompson, Ian B. (IOP Publishing, 2020)
      Zechmeister et al. surveyed 38 nearby M dwarfs from 2000 to 2007 March with VLT2 and the Ultraviolet and Visual Echelle Spectrograph (UVES) spectrometer. These data have recently been reanalyzed, yielding a significant ...
    • Three-dimensional Projection Effects on Chemistry in a Planck Galactic Cold Clump 
      Ge, J. X.; Mardones Pérez, Diego; He, J. H.; Rawlings, Jonathan M. C.; Liu, Sheng-Yuan; Lee, Jeong-Eun; Tatematsu, Ken’ichi; Liu, Tie; Zhu, Lei; Chang, Qiang; Inostroza, Natalia; Feng, S. (IOP Publishing, 2020)
      Offsets of molecular line emission peaks from continuum peaks are very common but frequently difficult to explain with a single spherical cloud chemical model. We propose that the spatial projection effects of an irregular ...
    • Three-dimensional simulations of clump formation in stellar wind collisions 
      Calderón, D.; Cuadra, J.; Schartmann, M.; Burkert, A.; Prieto, J.; Russell, C. M. P. (Oxford University Press, 2020)
      The inner parsec of our Galaxy contains tens of Wolf-Rayet stars whose powerful outflows are constantly interacting while filling the region with hot, diffuse plasma. Theoretical models have shown that, in some cases, the ...
    • Trace element geochemistry of magnetite from the Cerro Negro Norte iron oxide−apatite deposit, northern Chile 
      Salazar, Eduardo; Barra, Fernando; Reich Morales, Martín; Simon, Adam; Leisen, Mathieu; Palma, Gisella; Romero, Rurik; Rojo, Mario (Springer, 2020)
      Kiruna-type iron oxide-apatite (IOA) deposits constitute an important source of iron and phosphorus, and potentially of rare earth elements (REE). However, the origin of IOA deposits is still a matter of debate with models ...
    • Unipolar resistive switching behavior in Al2O3/HfO2 multilayer dielectric stacks: fabrication, characterization ... 
      Maestro Izquierdo, M.; González, M. B.; Jiménez Molinos, F.; Moreno, E.; Roldán, J. B.; Campabadal, F. (IOP Publishing, 2020)
      In this work, the impact of different HfO2/Al2O3-based multilayer dielectric stack (DS) configurations on the electrical characteristics and on the resistive switching (RS) performance of Ni/Insulator/Silicon devices has ...
    • Vortex elongation in outer streaming flows 
      Bahrani, S. Amir; Périnet, Nicolas; Costalonga, Maxime; Royon, Laurent; Brunet, Philippe (Springer, 2020)
      We study the secondary time-averaged flow (streaming) generated by an oscillating cylinder immersed within a fluid, under high amplitude forcing so that inertial effects are significant. This streaming is decomposed into ...
    • The high-redshift SFR–M∗ relation is sensitive to the employed star formation rate and stellar mass indicators: ... 
      Katsianis, A.; González, V.; Barrientos, D.; Yang, X.; Lagos, C. D. P.; Schaye, J.; Camps, P.; Trcka, A.; Baes, M.; Stalevski, M.; Blanc, G. A.; Theuns, T. (Oxford University Press, 2020)
      There is a severe tension between the observed star formation rate (SFR)-stellar mass (M,) relations reported by different authors at z = En addition, the observations have not been successfully reproduced by state-of-the-art ...
    • Singularity formation for the two-dimensional harmonic map flow into S-2 
      Dávila, Juan; Pino Manresa, Manuel del; Wei, Juncheng (Springer, 2020)
      We construct finite time blow-up solutions to the 2-dimensional harmonic map flow into the sphere S-2, u(t) = Delta u + vertical bar del u vertical bar(2)u in Omega x (0, T) u = phi on partial derivative Omega x (0, ...
    • Silicic volcanism triggered by increased denudation rates in the Quaternary Andean arc of central Chile ... 
      Muñoz Gómez, Marcia; Payacán, Ítalo; Gutiérrez, Francisco; Farías Thiers, Marcelo; Charrier González, Reynaldo; Polvé, Mireille (Elsevier, 2020)
      In central Chile (33 degrees 50'-34 degrees 30'S), the Quaternary arc records a distinctive episode of silicic volcanism (SiO2 >70 wt%) that occurred during latest Pleistocene (0.1-1 Ma). This episode is recorded in several ...
    • Investigating the regional contributions to air pollution in Beijing: a dispersion modelling study using ... 
      Panagi, Marios; Fleming, Zoe L.; Monks, Paul S.; Ashfold, Matthew J.; Wild, Oliver; Hollaway, Michael; Zhang, Qiang; Squires, Freya A.; Vande Hey, Joshua D. (Copernicus Gesellschaft MBH, 2020)
      The rapid urbanization and industrialization of northern China in recent decades has resulted in poor air quality in major cities like Beijing. Transport of air pollution plays a key role in determining the relative influence ...
    • On the graphene Hamiltonian operator 
      Conca Rosende, Carlos; Orive, R.; San Martín Aristegui, Jaime; Solano, V. (Springer, 2020)
      We solve a second-order elliptic equation with quasi-periodic boundary conditions defined on a honeycomb lattice that represents the arrangement of carbon atoms in graphene. Our results generalize those found by Kuchment ...
    • Copper mining: 100% solar electricity by 2030? 
      Haas, Jannik; Moreno Leiva, Simón; Junne, Tobías; Chen, Po-Jung; Pamparana, Giovanni; Nowak, Wolfgang; Kracht Gajardo, Willy; Ortiz, Julian (Elsevier, 2020)
      Extracting copper is energy-intensive. At the same time, copper is a key material for building the energy systems of the future. Both facts call for clean copper production. The present work addresses the greenhouse gas ...
    • Communication Requirements in Microgrids: A Practical Survey 
      Serban, Ioan; Céspedes Umaña, Sandra; Marinescu, Corneliu; Azurdia Meza, César; Gómez, Juan S.; Sáez Hueichapán, Doris (IEEE, 2020)
      Progress in Microgrid (MG) research has evolved the MG concept from classical, purely MG power networks to more advanced power and communications networks. The communications infrastructure helps control and manage the ...
    • A Multifrequency ALMA Characterization of Substructures in the GM Aur Protoplanetary Disk 
      Huang, Jane; Andrews, Sean M.; Dullemond, Cornelis P.; Öberg, Karin I.; Qi, Chunhua; Zhu, Zhaohuan; Birnstiel, Tilman; Carpenter, John M.; Isella, Andrea; Macías, Enrique; McClure, Melissa K.; Pérez Muñoz, Laura; Teague, Richard; Wilner, David J.; Zhang, Shangjia (IOP Publishing, 2020)
      The protoplanetary disk around the T Tauri star GM Aur was one of the first hypothesized to be in the midst of being cleared out by a forming planet. As a result, GM Aur has had an outsized influence on our understanding ...
    • A MINI element over star convex polytopes 
      Francis, Amrita; Ortiz Bernardín, Alejandro; Bordas, Stéphane; Natarajan, Sundararajan (Elsevier, 2020)
      In this paper, we extend the concept of MINI element over triangles to star convex arbitrary polytopes. This is achieved by employing the volume averaged nodal projection (VANP) method over polytopes in combination with ...
    • Tuning amphiphilic properties of Ni/Carbon nanotubes functionalized catalysts and their effect as emulsion ... 
      Herrera, C.; Barrientos, L.; Rosenkranz, A.; Sepúlveda, C.; García Fierro, J. L.; Laguna Bercero, M. A.; Escalona, N. (Elsevier, 2020)
      Three amphiphilic carbon nanotube-supported Ni catalysts have been prepared and tested regarding their emulsifying properties for the hydrogenation of furfural. The solid catalysts and emulsions were systematically ...
    • The spatial–temporal total friction coefficient of the fault viewed from the perspective of seismo-electromagnetic ... 
      Venegas Aravena, Patricio; Cordaro Cárdenas, Enrique; Laroze, David (Copernicus Gesellschaft MBH, 2020)
      Recently, it has been shown theoretically how the lithospheric stress changes could be linked with magnetic anomalies, frequencies, spatial distribution and the magneticmoment magnitude relation using the electrification ...
    • Study of nitrogen implantation in Ti surface using plasma immersion ion implantation & deposition technique ... 
      Cisternas, M.; Bhuyan, H.; Retamal, M. J.; Casanova Morales, N.; Favre, M.; Volkmann, U. G.; Saikia, P.; Díaz Droguett, D. E.; Mändl, S.; Manova, D.; Moraga, N.; Chandía Cristi, A.; Álvarez, A.; Guzmán, F. (Elsevier, 2020)
      The present investigation reports the modification of Ti substrates by a plasma technique to enhance their physio-chemical properties as biocompatible substrates for the deposition of artificial membranes. For that purpose, ...
    • Spatial and sectoral benefit distribution in water-energy system design 
      González, José M.; Tomlinson, James E.; Harou, Julien J.; Martínez Ceseña, Eduardo A.; Panteli, Mathaios; Bottacin-Busolin, Andrea; Hurford, Anthony; Olivares Alveal, Marcelo; Siddiqui, Afzal; Erfani, Tohid; Strzepek, Kenneth M.; Mancarella, Pierluigi; Mutale, Joseph; Obuobie, Emmanuel; Seid, Abdulkarim H.; Ya, Aung Ze (Elsevier, 2020)
      The design of water and energy systems has traditionally been done independently or considering simplified interdependencies between the two systems. This potentially misses valuable synergies between them and does not ...