Now showing items 7541-7560 of 22118

    • Fuentes, Liliana; Errazuriz, Maria Constanza; Davison, Omar Antonio; Cocio, Andrea (Universidad Catolica Silva Henriquez, 2019)
      The reading attitudes of primary students have proven to be relevant in their reading performance, so measuring them is fundamental to raise the level. The objective of this study was to validate and adapt the instrument ...
    • Stahl, Bernd Carsten; Akintoye, Simisola; Fothergill, B. Tyr; Guerrero, Manuel; Knight, Will; Ulnicane, Inga (Frontiers Media S.A., 2019)
      The increasing use of information and communication technologies (ICTs) to help facilitate neuroscience adds a new level of complexity to the question of how ethical issues of such research can be identified and addressed. ...
    • Fajardo, Soledad Chávez; Riquelme, Raïssa Kordic (Universidad Catolica Silva Henriquez, 2019)
      The present paper explores three topics that are complementary to the study of demonyms we have carried out in two previous essays (Kordic Riquelme and Chávez Fajardo: 2017; and Chávez Fajardo and Kordic Riquelme (in press). ...
    • Tolorza, Violeta; Mohr, C. H.; Carretier, S.; Serey, A.; Sepúlveda, S. A.; Tapia, J.; Pinto, L. (Blackwell Publishing Ltd, 2019)
      We address the question of whether all large-magnitude earthquakes produce an erosion peak in the subaerial components of fluvial catchments. We evaluate the sediment flux response to the Maule earthquake in the Chilean ...
    • Toro Manríquez, Mónica D.R.; Cellini, Juan M.; Lencinas, María V.; Peri, Pablo L.; Peña Rojas, Karen; Martínez Pastur, Guillermo J. (Springer Verlag, 2019)
      Background: Variable retention (aggregated and dispersed retention) harvesting proposed for Nothofagus pumilio was designed for timber purposes and biodiversity conservation. Harvesting by opening canopy generates different ...
    • Ramírez, M.; Torres, F.; Toledo, B. A.; Coello, M.; Correa-Burrows, P.; Rogan, J.; Valdivia, J. A. (Elsevier B.V., 2019)
      Random interactions among pedestrians, usually produced by psychological effects (e.g. anxiety), can produce collective nontrivial phenomena in their flow dynamics. Here, we improve our understanding on these phenomena by ...
    • Lespay-Rebolledo, C.; Tapia-Bustos, A.; Bustamante, D.; Morales, P.; Herrera-Marschitz, M. (Springer New York LLC, 2019)
      We have recently reported that global perinatal asphyxia (PA) induces a regionally sustained increase in oxidized glutathione (GSSG) levels and GSSG/GSH ratio, a decrease in tissue-reducing capacity, a decrease in catalase ...
    • Díaz, Matías R.; Shectman, Stephen A.; Paul Butler, R.; Jenkins, James Stewart (Institute of Physics Publishing, 2019)
      We describe a new method to derive clean, iodine-free spectra directly from observations acquired using high-resolution echelle spectrographs equipped with iodine cells. The main motivation to obtain iodine-free spectra ...
    • Liao, Run Fa; Wen, Hong; Wu, Jinsong; Pan, Fei; Xu, Aidong; Jiang, Yixin; Xie, Feiyi; Cao, Minggui (MDPI AG, 2019)
      In this paper, a deep learning (DL)-based physical (PHY) layer authentication framework is proposed to enhance the security of industrial wireless sensor networks (IWSNs). Three algorithms, the deep neural network (DNN)-based ...
    • Gallegos, Javier A.; Duarte-Mermoud, Manuel A. (TUBITAK, 2019)
      We establish a characterization of the Lyapunov and Mittag-Leffler stability through (fractional) Lyapunov functions, by proving converse theorems for Caputo fractional order systems. A hierarchy for the Mittag-Leffler ...
    • 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 ...
    • Díaz, Angie; Maturana, Claudia S.; Boyero, Luz; De Los Ríos Escalante, Patricio; Tonin, Alan M.; Correa-Araneda, Francisco (NLM (Medline), 2019)
      Antarctic and Subantarctic lakes are unique ecosystems with relatively simple food webs, which are likely to be strongly affected by climate warming. While Antarctic freshwater invertebrates are adapted to extreme environmental ...
    • Olivares, Gabriela; Peña-Ahumada, Bárbara; Peñailillo, Johany; Payacán, Claudia; Moncada, Ximena; Saldarriaga-Córdoba, Mónica; Matisoo-Smith, Elizabeth; Chung, Kuo Fang; Seelenfreund, Daniela; Seelenfreund, Andrea (Public Library of Science, 2019)
      Paper mulberry, Broussonetia papyrifera (L.) L’Hér. ex Vent. (Moraceae), a dioecious species, was transported by humans from Taiwan to the islands of Remote Oceania. Its introduction and cultivation in Remote Oceania was ...
    • Zhang, Jianguo; Zhang, Junjie; Rosenkranz, Andreas; Suzuki, Norikazu; Shamoto, Eiji (Elsevier Inc., 2019)
      Surface texturing is a promising approach to tailor friction and wear between rubbing surfaces in mechanical components. In this study, surface textures with different geometries and shapes were fabricated on hardened steel ...
    • Fajardo, Soledad Chávez; Riquelme, Raïssa Kordic (Servicio de Publicaciones de la Universidad de Navarra, 2019)
      This article analyzes the post-toponymic demonym from a morphological point of view. As is well known, because of its suffixal richness and of its derivational possibilities in Spanish, the morphological level is the most ...
    • Flores, Marcos; Saravia, Carolina; Vergara, Claudia E.; Avila, Felipe; Valdés, Hugo; Ortiz-Viedma, Jaime (MDPI AG, 2019)
      Avocado oil has generated growing interest among consumers due to its nutritional and technological characteristics, which is evidenced by an increase in the number of scientific articles that have been published on it. ...
    • Inzunza, Jorge; Assael, Jenny; Cornejo, Rodrigo; Redondo, Jesus (Routledge, 2019)
      Chile is recognized in the educational policy field as one of the first laboratories of neoliberal initiatives. These policies, initiated under the dictatorship of Augusto Pinochet, did not change with the new democratic ...
    • Pérez-Luco, Cristian; Díaz-Castro, Francisco; Jorquera, Carlos; Troncoso, Rodrigo; Zbinden-Foncea, Hermann; Johannsen, Neil M.; Castro-Sepulveda, Mauricio (MDPI AG, 2019)
      Dehydration in rodents induces anorexia. In humans however, the role of dehydration in energy intake is controversial. This study investigated the effect of extreme fluid restriction on acute energy intake during and after ...
    • Meseguer-Ruiz, Oliver; Corvacho, Oscar; Tapia Tosetti, Alejandro; López-Cepeda, José F.; Sarricolea, Pablo (Birkhauser Verlag AG, 2019)
      Air temperature records provide strong evidence of change and variability in the climate system. The sensitivity of temperature to changes throughout the year renders it an ideal object of study when seeking to identify ...
    • Kolls, Brad J.; Sapp, Shelly; Rockhold, Frank W.; Jordan, J. Dedrick; Dombrowski, Keith E.; Fowkes, F. Gerry R.; Mahaffey, Kenneth W.; Berger, Jeffrey S.; Katona, Brian G.; Blomster, Juuso I.; Norgren, Lars; Abramson, Beth L.; Leiva-Pons, Jose L.; Prieto, Juan Carlos; (NLM (Medline), 2019)
      Background and Purpose- Predictors of stroke and transient ischemic attack (TIA) in patients with peripheral artery disease (PAD) are poorly understood. The primary aims of this analysis were to (1) determine the incidence ...