Now showing items 4919-4938 of 4966

    • Moya, Pablo S.; Pinto, Víctor A.; Viñas, Adolfo F.; Sibeck, David G.; Kurth, William S.; Hospodarsky, George B.; Wygant, John R. (Blackwell Publishing Ltd, 2015)
      © 2015. American Geophysical Union. All Rights Reserved.In the dawn sector, L ∼ 5.5 and MLT ∼ 4-7, from 01:30 to 06:00 UT during the 14 November 2012 geomagnetic storm, both Van Allen Probes observed an alternating sequence ...
    • Moya, P. S.; Navarro, R.; Viñas, A. F.; Muñoz Gálvez, Víctor; Valdivia Hepp, Juan (2014-02-01)
      We study the wave¨Cparticle interaction and the evolution of electromagnetic waves propagating through a solarwind- like plasma composed of cold electrons, isotropic protons, and a small portion of drifting anisotropic ...
    • Pinto Pinto, Andrea Alejandra (Elsevier Ltd, 1998)
      Using a "summable" dichotomy and fixed-point theorems, we prove the existence of convergent and bounded solutions of nonlinear difference systems. © 1998 Elsevier Science Ltd. All rights reserved.
    • Coronel, Aníbal; Pinto Jiménez, Manuel; Sepúlveda, Daniel (Elsevier, 2016)
      This paper deals with a systematic study of the convolution operator Kf = f (*) k defined on weighted pseudo almost periodic functions space PAP(X, rho) and with k is an element of L-1(R). Upon making several different ...
    • Delgado Isasi, Luisa; Marín Briano, Víctor (Elsevier, 2016)
      © 2016 Elsevier B.V. The main objective of this article is to analyse the relationship between human well-being (HWB) and ecosystem services (ES). We studied the Río Cruces watershed (Chile) as a social-ecological system ...
    • Botto Mahan, Carezza; Medel Contreras, Rodrigo (2007)
      Female fecundity increases with body size in a variety of insects, but it is unknown if this generalization applies for kissing bugs. In this study, we evaluate whether gonad weight in, the bloodsucking insect Mepraia ...
    • Iriarte Díaz, José; Bozinovic, Francisco; Vásquez Salfate, Rodrigo (COMPANY OF BIOLOGISTS LTD, 2006-10-15)
      The transition from trot to gallop in quadruped mammals has been widely hypothesized to be a strategy to minimize the energetic costs of running. This view, however, has been challenged by some experimental evidence ...
    • Billi, Marco; Blanco, Gustavo; Urquiza, Anahí (Springer Netherlands, 2019)
      Over the last few decades climate change has been gaining importance in international scientific and political debates. However, the social sciences, especially in Latin America, have only lately become interested in the ...
    • Canals, Catalina; Canals, Andrea (Taylor and Francis Ltd., 2019)
      The central limit theorem indicates that when the sample size goes to infinite, the sampling distribution of means tends to follow a normal distribution; it is the basis for the most usual confidence interval and sample ...
    • Díaz Narvaez, Víctor; San Martín Roldán, David; Calzadilla Núñez, Aracelis; San Martín Roldán, Pablo; Parody Muñoz, Alexander; Robledo Veloso, Gonzalo (Universidad Sao Paulo, 2020)
      Objective: to explore the best type of curve or trend model that could explain the epidemiological behavior of the infection by COVID-19 and derive the possible causes that contribute to explain the corresponding model and ...
    • Marcoleta, Andrés; Gutiérrez-Cortez, Sergio; Maturana, Daniel; Monasterio Opazo, Octavio; Lagos Mónaco, Rosalba (American Society for Microbiology, 2013)
      © 2013 Marcoleta et al. Here, we report the draft genome sequence of the Gram-negative strain Klebsiella pneumoniae RYC492, which produces the amyloid-forming and antibacterial peptide microcin E492. The sequenced genome ...
    • Larrea Alcázar, Daniel Marcelo; Simonetti Zambelli, Javier Andrés (2007)
      We compared the relative importance of chemical alellopathy, pruning behaviour of resident ants and other non-related agents to ant-plant mutualism for seedling establishment beneath TriplaTiS americana L. (Polygonaceae), ...
    • Osorio, Edison; Pérez, Edwin G.; Areche Medina, Carlos; Ruiz, Lina María; Cassels Niven, Bruce; Florez, Elizabeth; Tiznado, William (Springer, 2013)
      The stronger antioxidant capacity of the flavonoid quercetin (Q) compared with taxifolin (dihydroquercetin, T) has been the subject of previous experimental and theoretical studies. Theoretical work has focused on the ...
    • Fontúrbel, Francisco E.; Salazar, Daniela A.; Medel Contreras, Rodrigo (Elsevier B.V., 2017)
      © 2017 Elsevier B.V. Mistletoes rely on biotic seed dispersal to ensure their recruitment on appropriate host plants, as their seeds must be deposited on safe sites to allow attachment. As most host-parasite systems, ...
    • Fierro, Angélica; Edmondson, Dale E.; Celis Barros, Cristian; Rebolledo Fuentes, Marco; Zapata Torres, Gerald (Public Library Science, 2016)
      Despite their structural and chemical commonalities, p-chloro-beta-methylphenethylamine and p-methoxy-beta-methylphenethylamine display distinct inhibitory and substrate activities upon MAO-B binding. Density Functional ...
    • Simonetti Zambelli, Javier Andrés (1995)
    • Toral, Manuel; Bown, Horacio E.; Mañon, Alejandro; Alvarez, José; Navarro-Cerrillo, Rafael (Pontificia Universidad Catolica de Chile, Facultad de Agronomia e Ingenieria Forestal, 2011)
      The toppling of young trees considerably reduces the value of the first log in Pinus radiata plantations. Although wind is the main cause of toppling, the quality and type of plants, planting techniques, soil fertility and ...
    • Gianoli, Ernesto; Ríos, Jenny M.; Niemeyer, Hermann M. (Birkhauser Verlag Basel, 1999)
      The among-leaves allocation of DIBOA, a hydroxamic acid associated with plant resistance, in the shoot of rye (Secale cereale) was evaluated over the vegetative development of the plant. The appropriateness of using the ...
    • Arkhipkin, Alexander I.; Rodhouse, Paul G.K.; Pierce, Graham J.; Sauer, Warwick; Sakai, Mitsuo; Allcock, Louise; Arguelles, Juan; Bower, John R.; Castillo, Gladis; Ceriola, Luca; Chen, Chih-Shin; Chen, Xinjun; Díaz Santana, Mariana; Downey, Nicola; González, Ángel F.; Granados Amores, Jasmín; Green, Corey P.; Guerra, Ángel; Hendrickson, Lisa C.; Ibáñez, Christian; Ito, Kingo; Jereb, Patrizia; Kato, Yoshiki; Katugin, Oleg N.; Kawano, Mitsuhisa; Kidokoro, Hideaki; Kulik, Vladimir V.; Laptikhovsky, Vladimir V.; Lipinski, Marek R.; Liu, Bilin; Mariategui, Luis; Marín, Wilbert; Medina, Ana; Miki, Katsuhiro; Miyahara, Kazutaka; Moltschaniwskyj, Natalie; Moustahfid, Hassan; Nabhitabhata, Jaruwat; Nanjo, Nobuaki; Nigmatullin, Chingis M.; Ohtani, Tetsuya; Pecl, Gretta; Pérez, Ángel A. J.; Piatkowski, Uwe; Saikliang, Pirochana; Salinas Zavala, César A.; Steer, Michael; Tian, Yongjun; Ueta, Yukio; Vijai, Dharmamony; Wakabayashi, Toshie; Yamaguchi, Tadanori; Yamashiro, Carmen; Yamashita, Norio; Zeidberg, Louis D. (Taylor & Francis, 2015)
      Some 290 species of squids comprise the order Teuthida that belongs to the molluscan Class Cephalopoda. Of these, about 30-40 squid species have substantial commercial importance around the world. Squid fisheries make a ...
    • Liz, Eduardo; Pinto Jiménez, Manuel; Robledo Veloso, Gonzalo; Trofimchuk, Sergei; Tkachenko, Victor (2003)
      We prove that the well-known 3/2 stability condition established for the Wright equation (WE) still holds if the nonlinearity p(exp(-x)-1) in WE is replaced by a decreasing or unimodal smooth function f with f'(0) < 0 ...