Browsing by Title Artículos de revistas

Now showing items 1-20 of 7550

    • [1-(Ethoxycarbonyl)-1-cyclopentyl]triphenylphosphonium Bromide, [(C6H5)3PC(C4H8)(COOC2H5)]Br 
      Boys Mardones, Daphne; Araya Maturana, Ramiro; Gonzáles Campos, Oscar Cesar; Manríquez Castro, Víctor (1995)
      The crystal structure of the title phosphonium salt consists of a tetrahedral (C6Hs)P +C(C4HS)- (COOCH2CH3) cation and a Br- anion. The triphenylphosphonium group has P---C(phenyl) distances which are equal within ...
    • 1-ethyl-3-(4-hydroxy-3-methoxyphenyl)-6-methoxy-2-methylindan-5-ol 
      Alvarez Thon, Luis; Carrasco Altamirano, Héctor; Espinoza Catalán, Luis; Gallardo Araya, Claudio; Cardona, Wilson; Ibáñez, Andrés (BLACKWELL PUBLISHING, 2006-05)
      Molecules in the title crystal structure, C20H24O4, are linked into chains of R-4(4)(8) rings along [010] and these chains are linked into sheets via weak C-H center dot center dot center dot pi(arene) interactions. These ...
    • (100) oriented diamond film prepared on amorphous carbon buffer layer containing nano-crystalline diamond grains 
      Lu, Yunxiang; Man, Weidong; Wang, Bo; Rosenkranz, Andreas; Yang, Mingyang; Yang, Ke; Yi, Jian; Song, Hui; Li, He; Jiang, Nan (Elsevier, 2020)
      In this study, amorphous carbon buffer layer containing nano-crystalline diamond grains was pre-deposited on single crystal silicon (Si) wafers. (100) oriented diamond films were prepared on the buffer layer by increasing ...
    • The 1877–1878 El Niño episode: associated impacts in South America 
      Aceituno Gutiérrez, Patricio; Prieto, María del Rosario; Solari, María Eugenia; Martínez, Alejandra; Poveda, Germán; Falvey, Mark (Springer, 2009)
      At times when attention on climate issues is strongly focused on the assessment of potential impacts of future climate change due to the intensification of the planetary greenhouse effect, it is perhaps pertinent to look ...
    • THE 1990 CALAN TOLOLO SUPERNOVA SEARCH 
      Hamuy Wackenhut, Mario; Maza Sancho, José; Phillips, M. M.; Suntzeff, Nicholas B.; Wischnjewsky, M.; Smith, R. C.; Antezana, Roberto; Wells, L. A.; González, L. E.; Gigoux, P.; Navarrete, M.; Barrientos, F.; Lamontagne, R.; Della Valle, Massimo; Elias, J. E.; Phillips, A. C.; Odewahn, S. C.; Baldwin, J. A.; Walker, A. R.; Williams, T.; Sturch, C.; Baganoff, F. K.; Chaboyer, Brian; Schommer, R. A.; Tirado, H.; Hernández, M.; Ugarte, P.; Guhathakurta, P.; Howell, S. B.; Szkody, P.; Schmidtke, P. C.; Roth, J. (AMER INST PHYSICS, 1993-12)
      We have started a search for supernovae as a collaboration between the University of Chile and the Cerro Tololo Inter-American Observatory, with the aim of producing a moderately distant (0.01 < z < 0.10) sample of Type ...
    • 2-(2-pyridylamino)pyridinium tetrachloridozincate(II) 
      Venegas Yazigi, Diego; Castillo, Carolina; Paredes García, Verónica; Vega, Andrés; Spodine Spiridonova, Evgenia (BLACKWELL PUBLISHING, 2008-06)
      The structure of the title compound, (C10H10N3)(2)[ZnCl4], is composed of C10H9N3H+ ( DPAH(+)) cations and [ ZnCl4](2-) anions. The two pyridyl rings of DPAH+ are approximately coplanar, with a dihedral angle of 7.2 ( ...
    • The 2014 Alma Long Baseline Campaign: An Overview 
      Fomalont, E. B.; Vlahakis, C.; Corder, S.; Remijan, Anthony; Barkats, Denis; Lucas, R.; Hunter, T. R.; Brogan, C. L.; Asaki, Y.; Matsushita, S.; Dent, William R. F.; Hills, R. E.; Phillips, N.; Richards, A. M. S.; Cox, P.; Amestica, R.; Broguiere, D.; Cotton, W.; Hales, Antonio; Hiriart, R.; Hirota, A.; Hodge, J. A.; Impellizzeri, C. M. V; Kern, J.; Kneissl, R.; Liuzzo, E.; Marcelino, N.; Marson, R.; Mignano, A.; Nakanishi, K.; Nikolic, B.; Perez, J. E.; Pérez, L. M.; Toledo, I.; Aladro, R.; Butler, B.; Cortes, J.; Cortes, P.; Dhawan, V.; Di Francesco, J.; Espada, D.; Galarza, F.; Garcia-Appadoo, D.; Guzman-Ramirez, L.; Humphreys, E.; Jung, T.; Kameno, S.; Laing, R. A.; Leon, S.; Mangum, J.; Marconi, G.; Nagai, H.; Nyman, L. A.; Radiszcz, M.; Rodón, J.; Sawada, T.; Takahashi, S.; Tilanus, R. P. J.; van Kempen, T.; Vila Vilaro, B.; Watson, L. C.; Wiklind, T.; Gueth, F.; Tatematsu, Ken’ichi; Wootten, A.; Castro-Carrizo, A.; Chapillon, E.; Dumas, G.; De Gregorio Monsalvo, Itziar; Francke, H.; Gallardo, J.; Garcia, J.; Gonzalez, S.; Hibbard, J.; Hill, T.; Kaminski, T.; Karim, A.; Krips, M.; Kurono, Y.; Lopez, C.; Martin, S.; Maud, L.; Morales, F.; Pietu, V.; Plarre, K.; Schieven, G.; Testi, L.; Videla, L.; Villard, Eric; Whyborn, N.; Zwaan, M. A.; Alves, F.; Andreani, P.; Avison, A.; Barta, M.; Bedosti, F.; Bendo, G.; Bertoldi, F.; Bethermin, M.; Biggs, A.; Boissier, J.; Brand, J.; Burkutean, S.; Casasola, V.; Conway, J.; Cortese, L.; Dabrowski, B.; Davis, T. A.; Diaz Trigo, M.; Fontani, F; Franco-Hernandez, R.; Fuller, G.; Galvan Madrid, R.; Giannetti, A.; Ginsburg, A.; Graves, S. F.; Hatziminaoglou, E.; Hogerheijde, M. R.; Jachym, P.; Jimenez Serra, I.; Karlicky, M.; Klaasen, P.; Kraus, M.; Kunneriath, D.; Lagos, C.; Longmore, S.; Leurini, S.; Maercker, M.; Magnelli, B.; Marti Vidal, I.; Massardi, M.; Maury, A.; Muehle, S.; Muller, S.; Muxlow, T.; O’Gorman, E.; Paladino, R.; Petry, D.; Pineda, J.; Randall, S.; Richer, J. S.; Rossetti, A.; Rushton, A.; Rygl, K. L.; Sanchez Monge, A.; Schaaf, R.; Schilke, P.; Stanke, T.; Schmalzl, M.; Stoehr, F.; Urban, S.; van Kampen, E.; Vlemmings, W.; Wang, K.; Wild, W.; Yang, Y.; Iguchi, S.; Hasegawa, T.; Saito, M.; Inatani, J.; Mizuno, N.; Asayama, S.; Kosugi, G.; Morita, K. -I.; Chiba, K.; Kawashima, S.; Okumura, S. K.; Ohashi, N.; Ogasawara, R.; Sakamoto, S.; Noguchi, T.; Huang, Y. D.; Liu, S.-Y.; Kemper, F.; Koch, P. M.; Chen, M. -T.; Chikada, Y.; Hiramatsu, M.; Iono, Daisuke; Komugi, S.; Kim, J.; Lyo, A.-R.; Muller, E.; Herrera, C.; Miura, R. E.; Ueda, J.; Chibueze, J.; Su, Yu-Nung; Trejo-Cruz, A.; Wang, K.-S.; Kiuchi, H.; Ukita, N.; Sugimoto, M.; Kawabe, Ryohei; Hayashi, M.; Miyama, S.; Ho, P. T. P.; Kaifu, N.; Ishiguro, M.; Beasley, A. J.; Bhatnagar, S.; Braatz III, J. A.; Brisbin, D. G.; Brunetti, N.; Carilli, C.; Crossley, J. H.; D’Addario, L.; Donovan Meyer, J. L.; Emerson, D. T.; Evans, A. S.; Fisher, P.; Golap, K.; Griffith, D. M.; Hale, A. E.; Halstead, D.; Hardy, E. J.; Hatz, M. C.; Holdaway, M.; Indebetouw, R.; Jewell, P. R.; Kepley, A. A.; Kim, D.-C.; Lacy, M. D.; Leroy, A. K.; Liszt, H. S.; Lonsdale, C. J.; Matthews, B.; McKinnon, M.; Mason, B. S.; Moellenbrock, G.; Moullet, A.; Myers, S. T.; Ott, J.; Peck, A. B.; Pisano, J.; Radford, S. J. E.; Randolph, W. T.; Rao Venkata, U.; Rawlings, M. G.; Rosen, R.; Schnee, S. L.; Scott, K. S.; Sharp, N. K; Sheth, K.; Simon, R. S.; Tsutsumi, T.; Wood, S. J. (IOP Publishing, 2015)
      A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavelengths requires baselines up to similar ...
    • 2017 Valparaíso earthquake sequence and the megathrust patchwork of central Chile 
      Nealy, Jennifer L.; Herman, Matthew W.; Moore, Ginevra L.; Hayes, Gavin P.; Benz, Harley M.; Bergman, Eric A.; Barrientos, Sergio (American Geophysical Union, 2017)
      In April 2017, a sequence of earthquakes offshore Valparaiso, Chile, raised concerns of a potential megathrust earthquake in the near future. The largest event in the 2017 sequence was a M6.9 on 24 April, seemingly colocated ...
    • 20th Conference of the Collaboration Researchers International Working Group - CRIWG 2014 
      Baloian Tataryan, Nelson; Zurita Alarcón, Gustavo (IEEE, 2015)
      This special number of the IEEE Latin America Transactions includes a selection of the best papers presented at the 20th Conference of the Collaboration Researchers International Working Group, which took place in Santiago ...
    • 250 years of sardine and anchovy scale deposition record in Mejillones Bay, northern Chile 
      Valdés, Jorge; Ortlieb, Luc; Gutiérrez, Dimitri; Marinovic, Luis; Vargas Easton, Víctor; Sifeddine, Abdel (PERGAMON-ELSEVIER SCIENCE LTD, 2008-10)
      Marine oxygen-deficient environments with high sedimentation rates and high primary productivity can provide relevant information regarding variations of ocean–climatic conditions in the past. In the Humboldt current ...
    • 2D nano-materials beyond graphene: from synthesis to tribological studies 
      Rosenkranz, Andreas; Liu, Yangqin; Yang, Lin; Chen, Lei (Springer, 2020)
      Continuously increasing global population and, therefore, energy consumption as well as diminishing resources combined with environmental aspects such as global warming ask for more efficient, sustainable and reliable ...
    • 2MASS J035523. 37+ 113343.7: A Young, Dusty, Nearby, Isolated Brown Dwarf Resembling a Giant Exoplanet 
      Faherty, Jacqueline K.; Rice, Emily L.; Cruz, Kelle L.; Mamajek, Eric E.; Núñez, Alejandro (The American Astronomical Society, 2013-01)
      We present parallax and proper motion measurements, near-infrared spectra, and Wide-field Infrared Survey Explorer photometry for the low surface gravity L5γ dwarf 2MASS J035523.37+113343.7 (2M0355). We use these data ...
    • 3-D CFD analysis of thermal stratification in an air thermocline tank analysis using copper slags as filler ... 
      Caroca A., Cardemil J.M., Ibarra M., Dinter F., Segovia V. (International Solar Energy Society, 2020)
    • 3-Hydroxykynurenine bound to eye lens proteins induces oxidative modifications in crystalline proteins ... 
      Ávila, Felipe; Ravello, Natalia; Zanocco, Antonio L.; Gamon, Luke F.; Davies, Michael J.; Silva, Eduardo (Elsevier Inc., 2019)
      Photosensitized reactions mediated by endogenous chromophores have been associated with the etiology of age-related cataract disease. Endogenous chromophores such as 3-hydroxykynurenine (3OHKN) can be found in both free ...
    • The 31 deg2 release of the stripe 82 x-ray survey: the point source catalog 
      La Massa, Stephanie M.; Urry, C. Megan; Cappelluti, Nico; Böhringer, Hans; Comastri, Andrea; Glikman, Eilat; Richards, Gordon; Ananna, Tonima; Brusa, Marcella; Cardamone, Carie; Chon, Gayoung; Civano, Francesca; Farrah, Duncan; Gilfanov, Marat; Green, Paul; Komossa, S.; Lira Teillery, Paulina; Makler, Martin; Marchesi, Stefano; Pecoraro, Robert; Ranalli, Piero; Salvato, Mara; Schawinski, Kevin; Stern, Daniel; Treister, Ezequiel; Viero, Marco (Cornell University, 2015)
      We release the next installment of the Stripe 82 X-ray survey point-source catalog, which currently covers 31.3 deg2 of the Sloan Digital Sky Survey (SDSS) Stripe 82 Legacy field. In total, 6181 unique X-ray sources are ...
    • 3D iris recognition using spin images 
      Benalcazar D.P., Montecino D.A., Zambrano J.E., Perez C.A., Bowyer K.W. (Institute of Electrical and Electronics Engineers Inc., 2020)
    • 3D kinematics of white dwarfs from the SPY project. II. 
      Pauli, E.-M.; Napiwotzki, R.; Heber, U.; Altmann, Martin; Odenkirchen, M. (EDP SCIENCES S A, 2006-02)
      We present the kinematics of a sample of 398 DA white dwarfs from the SPY project (ESO SN Ia Progenitor surveY) and discuss kinematic criteria for distinguishing of thin-disk, thick-disk, and halo populations. This is the ...
    • 3D multiple sound source localization by proposed cuboids nested microphone array in combination with ... 
      Dehghan Firoozabadi, Ali; Irarrázaval, Pablo; Adasme, Pablo; Zabala Blanco, David; Palacios Játiva, Pablo Geovanny; Azurdia Meza, César (MDPI, 2020)
      Sound source localization is one of the applicable areas in speech signal processing. The main challenge appears when the aim is a simultaneous multiple sound source localization from overlapped speech signals with an ...
    • 3D numerical modeling to support the design of contractions in supercritical flow channels 
      Martínez M., Niño Y. (University of Queenslandajc@maths.uq.edu.au, 2020)
    • 3D radiative transfer of intrinsically polarized dust emission based on aligned aspherical grains 
      Bertrang, Gesa H.-M.; Wolf, S. (Oxford University Pres, 2017)
      (Sub-)millimetre observations of the polarized emission of aligned aspherical dust grains enable us to study the magnetic fields within protoplanetary disc. However, the interpretation of these observations is complex. One ...