Browsing by Title Artículos de revistas

Now showing items 3091-3110 of 7549

    • The Herschel revolution: Unveiling the morphology of the high-mass star-formation sites N44 and N63 in the LMC 
      Hony, S.; Galliano, F.; Madden, S. C.; Panuzzo, P.; Meixner, M.; Engelbracht, C.; Misselt, K.; Galametz, M.; Sauvage, M.; Roman Duval, Julia; Gordon, K.; Lawton, B.; Bernard, J. P.; Bolatto, Alberto; Okumura, K.; Chen, C.-H. R.; Indebetouw, R.; Israel, F. P.; Kwon, E.; Li, A.; Kemper, F.; Oey, M. S.; Rubio López, Mónica; Triou, H. E. (EDP Sciences, 2010-07)
      Aims. We study the structure of the medium surrounding sites of high-mass star formation to determine the interrelation between the H ii regions and the environment from which they were formed. The density distribution of ...
    • A herschel study of 24 mu m-selected AGNs and their host galaxies 
      Xu, Lei; Rieke, G. H.; Egami, E.; Pereira, M. J.; Haines, Chris; Smith, G. P. (IOP Publishing, 2015)
      We present a sample of 290 24 mu m-selected active galactic nuclei (AGNs) mostly at z similar to 0.3-2.5, within 5.2 deg(2) distributed as 25' x 25' fields around each of 30 galaxy clusters in the Local Cluster Substructure ...
    • Herschel-HIFI view of mid-IR quiet massive protostellar objects 
      Herpin, F.; Chavarría, L.; Jacq, T.; Braine, J.; Tak, F. van der; Wyrowski, F.; Dishoeck, E. F. van; Baudry, A.; Bontemps, S.; Kristensen, L.; Schmalzl, M.; Mata, J. (EDP Sciences, 2016-03)
      Aims. We present Herschel/MEI observations of 14 water lines in a small sample of Galactic massive protostellar objects: NGC 6334I(N), DR21(OH), IRAS 16272-4837, and IRAS 05358+3543. Using water as a tracer of the structure ...
    • Hessian Riemannian gradient flows in convex programming 
      Álvarez Daziano, Felipe; Bolte, Jérome; Brahic, Olivier (SIAM PUBLICATIONS, 2004)
      In view of solving theoretically constrained minimization problems, we investigate the properties of the gradient flows with respect to Hessian Riemannian metrics induced by Legendre functions. The first result characterizes ...
    • Heterogeneous structure of the Northern Chile marine forearc and its implications for megathrust earthquakes 
      Maksymowicz, Andrei; Ruiz, Javier; Vera, Emilio; Contreras-Reyes, Eduardo; Ruiz Tapia, Sergio; Arraigada, César; Bonvalot, Sylvain; Bascuñan, Sebastián (Oxford University Press, 2018)
      Recent studies have proposed that nucleation zones, seismic barriers and high-slip patches of megathrust earthquakes correlate with physical heterogeneities, both in the oceanic/subducting plate and in the continental ...
    • Heterologous expression and biochemical characterization of a novel cold-active α-amylase from the Antarctic ... 
      Sanchez, Anamaria C.; Ravanal, María Cristina; Andrews, Barbara A.; Asenjo, Juan A. (Academic Press Inc., 2019)
      © 2018 Elsevier Inc.α-Amylase is an endo-acting enzyme which catalyzes random hydrolysis of starch. These enzymes are used in various biotechnological processes including the textile, paper, food, biofuels, detergents and ...
    • Heterostructures of mesoporous TiO 2 and SnO 2 nanocatalyst for improved electrochemical oxidation ability ... 
      Manoj, Devaraj; Rajendran, Saravanan; Qin, Jiaqian; Sundaravadivel, Elumalai; Yola, Mehmet Lütfi; Atar, Necip; Gracia, F.; Boukherroub, Rabah; Gracia-Pinilla, M. A.; Gupta, Vinod Kumar (Academic Press Inc., 2019)
      The detection of water soluble vitamins using electrochemical method is widely established in pharmaceutical quality control laboratories, and especially the recent advances in hybrid heterostrucure nanomaterials has devoted ...
    • Hexakis(imidazole-N3)nickel(II) carbonate pentahydrate 
      Povse, Vicente; Perec, Mireille; Baggio, Ricardo; Garland, María Teresa (Blackwell Munksgaard, 1998)
      The crystal structure of the title complex, [Ni(C3H4-N2)6]CO3.5H 2O, which is isostructural with the Cd, Co and Ru analogues, is built up from cationic and anionic sheets parallel to the basal plane of the hexagonal unit ...
    • HI column densities of z > 2 Swift gamma-ray bursts 
      Jakobsson, Páll; Fynbo, Johan P. U.; Ledoux, C.; Vreeswijk, Paul M.; Kann, D. A.; Hjorth, Jens; Priddey, R. S.; Tanvir, N. R.; Reichart, Daniel E.; Gorosabel, Jorge; Klose, Sylvio; Watson, Darach; Sollerman, J.; Fruchter, Andrew S.; Ugarte Postigo, A. de; Wiersema, K.; Bjornsson, G.; Chapman, R.; Thone, C. C.; Pedersen, K.; Jensen, Brian L. (EDP SCIENCES S A, 2006-12)
      Context. Before the launch of the Swift satellite, the majority of the gamma-ray burst (GRB) afterglows for which Lya was redshifted into the observable spectrum showed evidence for a damped Lya absorber. This small sample ...
    • Hierarchical MPC secondary control for electric power system 
      Milla Nanjarí, Freddy; Duarte Mermoud, Manuel; Aguila Camacho, Norelys (Hindawi Publishing Corporation, 2014)
      Although in electric power systems (EPS) the regulatory level guarantees a bounded error between the reference and the corresponding system variables, to keep its availability in time, optimizing the system operation is ...
    • The HIFI spectral survey of AFGL 2591 (CHESS) III. Chemical structure of the protostellar envelope 
      Kazmierczak Barthel, M.; Semenov, D.; Van der Tak, F. F. S.; Chavarría, L.; Van der Wiel, M. (EDP Sciences, 2015)
      Aims. The aim of this work is to understand the richness of chemical species observed in the isolated high-mass envelope of AFGL 2591, a prototypical object for studying massive star formation. Methods. Based on HIFI ...
    • High altitude, hyper‑arid soils of the Central‑Andes harbor mega‑diverse communities of actinobacteria 
      Bull, Alan T.; Idris, Hamidah; Sanderson, Roy; Asenjo, J.; Andrews Farrow, Bárbara; Goodfellow, Michael (Springer Japan KK, 2018)
      The data reported in this paper are among the first relating to the microbiology of hyper-arid, very high altitude deserts and they provide base line information on the structure of actinobacterial communities. The high ...
    • High damping rubber model for energy dissipating devices 
      Mata, Pablo; Boroschek Krauskopf, Rubén; Barbat, Alex H.; Oller, Sergio (2007)
      This work presents the results of a study carried out to characterize the mechanical response of a high damping rubber to be used in designing and constructing energy dissipating devices and base isolators for controling ...
    • High energy rotation type solutions of the forced pendulum equation 
      Felmer Aichele, Patricio; Laire, André de; Martínez Salazar, Salomé; Tanaka, Kuzanaga (IOP PUBLISHING LTD, 2013-04-15)
      In this article we study the existence and asymptotic profiles of high-energy rotation type solutions of the singularly perturbed forced pendulum equation ε2u ε + sin uε = ε2α(t)uε in (−L, L). We prove that the ...
    • High Equivalent Width of H alpha plus [N II] Emission in z similar to 8 Lyman-break Galaxies from IRAC 5.8 ... 
      Stefanon, Mauro; Bouwens, Rychard J; Illingworth, Garth D; Labbé, Ivo; Oesch, Pascal A; González Corvalán, Valentino Gastón (IOP Publishing, 2022)
      We measure, for the first time, the median equivalent width (EW) of H alpha+[N II] in star-forming galaxies at z similar to 8. Our estimate leverages the unique photometric depth of the Spitzer/IRAC 5.8 mu m band mosaics ...
    • High frequency solutions for the singularly-perturbed one-dimensional nonlinear Schrodinger equation 
      Felmer Aichele, Patricio; Martínez Salazar, Salomé; Tanaka, Kazunaga (SPRINGER, 2006-10)
      This article is devoted to the nonlinear Schrodinger equation epsilon(2)u'' - V(x)u + vertical bar u vertical bar(p-1)u = 0, when the parameter epsilon approaches zero. All possible asymptotic behaviors of bounded ...
    • High impact weather events in the Andes 
      Poveda, Germán; Espinoza, Jhan Carlo; Zuluaga, Manuel D.; Solman, Silvina A.; Garreaud Salazar, René; van Oevelen, Peter J. (Frontiers Media, 2020)
      Owing to the extraordinary latitudinal extent, a strong orographic variability with very high mountain tops, and the presence of deep valleys and steep slopes, the Andes and the population of the region are highly prone ...
    • High intensity interval training in teenagers Efectividad de ejercicio físico intervalado de alta intensidad ... 
      Javiera Abarzúa, V.; Williams Viloff, C.; Javiera Bahamondes, V.; Yeritza Olivera, P.; Poblete-Aro, Carlos; Herrera-Valenzuela, Tomás; Oliva, Carolina; García-Díaz, Diego F. (Sociedad Medica de Santiago, 2019)
      This review analyzes the effects of high intensity interval training (HIIT) on muscle and cardiovascular fitness and body composition in teenagers. A search was carried out in international databases, finding 145 papers ...
    • 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) = ...