Browsing by Title Facultad de Ciencias Físicas y Matemáticas

Now showing items 10401-10420 of 20468

    • High level MANET protocol: Enhancing the communication support for mobile collaborative work 
      Rodríguez Covili, Juan; Ochoa Delorenzi, Sergio; Pino Urtubia, José (Elsevier, 2012-01)
      Mobile collaborative activities involve on-demand interactions among nomad users. Unavailability of communication support in the physical scenario where users are located cannot be a limitation to carry out such collaboration ...
    • High luminosity, slow ejecta and persistent carbon lines: SN 2009dc challenges thermonuclear explosion scenarios 
      Taubenberger, S.; Benetti, S.; Childress, M.; Pakmor, R.; Hachinger, S.; Mazzali, Paolo; Stanishev, V.; Elias-Rosa, Nancy; Agnoletto, I.; Bufano, Filomena; Ergon, M.; Harutyunyan, A.; Inserra, C.; Kankare, E.; Kromer, M.; Navasardyan, H.; Nicolas, J.; Pastorello, A.; Prosperi, E.; Salgado, F.; Sollerman, J.; Stritzinger, M.; Turatto, M.; Valenti, S.; Hillebrandt, W. (WILEY-BLACKWELL, 2011-04)
      Extended optical and near-IR observations reveal that SN 2009dc shares a number of similarities with normal Type Ia supernovae (SNe Ia), but is clearly overluminous, with a (pseudo-bolometric) peak luminosity of log (L) = ...
    • High pressure homogenization of Nannochloropsis oculata for the extraction of intracellular components: ... 
      Shene, Carolina; Monsalve, María Teresa; Vergara, Daniela; Lienqueo Contreras, María Elena; Rubilar, Mónica (WILEY-VCH Verlag GmbH, 2016)
      Nannochloropsis is a genus of unicellular eukaryotes known primarily from the marine environment whose members are potential sources of lipids and long-chain polyunsaturated fatty acids; for the extraction of these and ...
    • High proper motion stars with declinations between −30° and −40° , and right ascensions between 00 h and 10 h 40m 
      Wroblewski Cruz, Herbert; Costa Hechenleitner, Edgardo (2001)
      Proper motions, positions, nding charts and magnitudes are given for 147 newly discovered stars with proper motions larger than 0.15 arcsec/year. They were found in a search for high proper motion stars carried out in ...
    • High resolution CO observations towards the Bright Eastern Knot of the SNR Puppis A 
      Paron, S.; Dubner, G.; Reynoso, E.; Rubio López, Mónica (EDP SCIENCES S A, 2008-03)
      Aims. This paper reports molecular observations towards the Bright Eastern Knot (BEK) in the SNR Puppis A, a feature where radio and X-ray studies suggest that the shock front is interacting with a dense molecular ...
    • High risk cytogenetic abnormalities in patients with multiple myeloma Características citogenéticas y ... 
      Legües, María Eugenia; Morales, Paulina; Valenzuela, Mercedes; Encina, Andrea; Martí, María José; Bascuñán, Claudia; Cornejo, Paulina; Peña, Camila; Undurraga, María Soledad (Sociedad Medica de Santiago, 2019)
      Background: Cytogenetic abnormalities observed in the bone marrow of patients with multiple myeloma (MM) are an important prognostic factor for risk stratification. Aim: To investigate karyotype characteristics and frequency ...
    • High T/P evolution and metamorphic ages of the migmatitic basement of northern Sierras Pampeanas, Argentina: ... 
      Larrovere, Mariano A.; Hoyos, Camilo R. de los; Toselli, Alejandro J.; Rossi, Juana N.; Basei, Miguel A.S.; Belmar Urbina, Mauricio (Elsevier, 2011)
      New petrologic, thermobarometric and U-Pb monazite geochronologic information allowed to resolve the metamorphic evolution of a high temperature mid-crustal segment of an ancient subduction-related orogen. The El Portezuelo ...
    • High- and low-latitude forcings drive Atacama desert rainfall variations over the past 16,000 years 
      González Pinilla, Francisco J.; Latorre, Claudio; Rojas Corradi, María Heloísa Juana; Houston, John; Rocuant, M. Ignacia; Maldonado, Antonio; Santoro, Calogero M.; Quade, Jay; Betancourt, Julio L. (Amer Assoc Advancement Science, 2021)
      Late Quaternary precipitation dynamics in the central Andes have been linked to both high- and low-latitude atmospheric teleconnections. We use present-day relationships between fecal pellet diameters from ashy chinchilla rats ...
    • High-frequency chaotic solutions for a slowly varying dynamical system 
      Felmer Aichele, Patricio; Martínez Salazar, Salomé; Tanaka, Kazunaga (CAMBRIDGE UNIV PRESS, 2006-04)
      In this article we study the asymptotic dynamics of highly oscillatory solutions for the unbalanced Allen-Cahn equation with a slowly varying coefficient. We describe the underlying structure of these solutions through a ...
    • High-frequency variability of the surface ocean properties off central Chile during the upwelling season 
      Aguirre, Catalina; Garreaud Salazar, René Darío; Belmar, Lucy; Farías, Laura; Ramajo, Laura; Barrera, Facundo (Frontiers Media, 2021)
      The ocean off south-central Chile is subject to seasonal upwelling whose intensity is mainly controlled by the latitudinal migration of the southeast Pacific subtropical anticyclone. During austral spring and summer, the ...
    • THE HIGH-METALLICITY EXPLOSION ENVIRONMENT OF THE RELATIVISTIC SUPERNOVA 2009BB1 
      Levesque, Emily M.; Soderberg, M.; Foley, Ryan J.; Berger, E.; Kewley, Lisa; Chakraborti, S.; Ray, Aurkie; Torres, M. A. P.; Challis, P.; Kirshner, Robert P.; Barthelmy, S. D.; Bietenholz, M. F.; Chandra, P.; Chaplin, V.; Chevalier, R. A.; Chugai, N.; Connaughton, V.; Copete, A.; Fox, O.; Fransson, C.; Grindlay, J. E.; Hamuy Wackenhut, Mario; Milne, P. A.; Pignata Libralato, Giuliano; Stritzinger, M. D.; Wieringa, M. H. (2009-12)
      We investigate the environment of the nearby (d 40 Mpc) broad-lined Type Ic supernova SN 2009bb. This event was observed to produce a relativistic outflow likely powered by a central ac- creting compact object. While ...
    • High-redshift x-ray–selected quasars: CXOCY J125304.0_090737 joins the club 
      Castander, Francisco J.; Treister, Ezequiel; Maccarone, Thomas J.; Coppi, Paolo S.; Maza Sancho, José; Zepf, Septenio E.; Guzmán, Rafael (2003-04)
      We present a new X-ray–selected high-redshift quasar CXOCY J125304.0 090737 at z = 4.179, discovered by the Cala´n-Yale Deep Extragalactic Research (CYDER) Survey. This quasar is the fifth X-ray– selected high-redshift ...
    • High-resolution observations of the outer disk around T Chamaeleontis: the view from ALMA 
      Huélamo, N.; De Gregorio Monsalvo, Itziar; Macias, E.; Pinte, Christophe; Ireland, M.; Tuthill, P.; Lacour, S. (EDP Sciences, 2015)
      Context. Transitional disks are circumstellar disks with dust gaps thought to be related in some cases to planet formation. They can shed light on the planet formation process by the analysis of their gas and dust properties. ...
    • High-resolution spatial-distribution maps of road transport exhaust emissions in Chile, 1990–2020 
      Osses, Mauricio; Rojas, Néstor; Ibarra, Cecilia; Valdebenito, Víctor; Laengle, Ignacio; Pantoja, Nicolás; Osses, Darío; Basoa, Kevin; Tolvett, Sebastián; Huneeus Lagos, Nicolás; Gallardo Klenner, Laura; Gómez, Benjamín (Copernicus, 2022)
      Center for Climate and Resilience Research (FONDAP) 15110009 Technological Scientific Center of Valparaiso (ANID PIA/APOYO) AFB180002 EU project Prediction of Air Pollution in Latin America and the Caribbean (PAPILA) 777544
    • High-resolution spectroscopic search for the thermal emission of the extrasolar planet HD 217107 b 
      Cubillos, P. E.; Rojo, P.; Fortney, J. J. (EDP SCIENCES, 2011-05)
      We analyzed the combined near-infrared spectrum of a star-planet system with thermal emission atmospheric models, based on the composition and physical parameters of the system. The main objective of this work is to obtain ...
    • High-temperature phonon-mediated superconductivity in monolayer Mg2B4C2 
      Singh, Sobhit; Romero, Aldo H.; Mella Riquelme, José; Eremeev, Vitalie; Muñoz, Enrique; Alexandrova, Anastassia N.; Rabe, Karin M.; Vanderbilt, David; Muñoz Sáez, Francisco Javier (Nature, 2022)
      A two-dimensional material - Mg2B4C2, belonging to the family of the conventional superconductor MgB2, is theoretically predicted to exhibit superconductivity with critical temperature T-c estimated in the 47-48 K range ...
    • Higher luteinizing hormone levels associated with antimüllerian hormone in postmenarchal daughters of women ... 
      Crisosto King, Nicolás; Ladrón de Guevara, Amanda; Echiburú López, Bárbara; Maliqueo Yevilao, Manuel; Cavada, Gabriel; Codner Dujovne, Ethel; Paez, Francisco; Sir Petermann, Teresa (Elsevier Inc., 2019)
      © 2018 American Society for Reproductive MedicineObjective: To study the reproductive and metabolic differences between daughters of women with polycystic ovary syndrome (PCOSd) and control women (Cd) after menarche. Design: ...
    • Higher-order spectral analysis and weak asymptotic stability of convex processes 
      Gajardo, Pedro; Seeger, Alberto (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2006-06-01)
      This paper deals with the asymptotic stability analysis of a discrete dynamical inclusion whose right-hand side is a convex process. We provide necessary and sufficient conditions for weak asymptotic stability, and obtain ...
    • Highly active Rb/Cu/YCeO2 catalyst for the storage of nitric oxide under lean conditions 
      Bormann, Carla; Rodriguez, Nicole; Araya, Paulo; Guerrero, Sichem (ELSEVIER SCIENCE BV, 2016)
      A novel Pt-free Rb/Cu/YCeO2 catalyst was applied to the adsorption of NO under oxidizing conditions. The results show a much greater performance of this catalyst relative to a Pt/Ba/Al2O3 catalyst. The results suggest that ...
    • Highly active Rb/Cu/YCeO2 catalyst for the storage of nitric oxide under lean conditions 
      Bormann, Carla; Rodriguez, Nicole; Araya, Paulo; Guerrero, Sichem (ELSEVIER SCIENCE BV, 2016)
      A novel Pt-free Rb/Cu/YCeO2 catalyst was applied to the adsorption of NO under oxidizing conditions. The results show a much greater performance of this catalyst relative to a Pt/Ba/Al2O3 catalyst. The results suggest that ...