Browsing by Title

Now showing items 20925-20944 of 91786

    • Deep Subaru Hyper Suprime-Cam Observations of Milky Way Satellites Columba I and Triangulum II 
      Carlin, Jeffrey L; Sand, David J.; Muñoz Vidal, Ricardo Rodrigo; Spekkens, Kristine; Willman, Beth; Crnojevic, Denija; Forbes, Duncan A.; Hargis, ,Jonathan; Kirby, Evan; Peter, Annika H. G.; Romanowsky, Aaron J.; Strader, Jay (IOP Publishing, 2017)
      We present deep, wide-field Subaru Hyper Suprime-Cam photometry of two recently discovered satellites of the Milky Way (MW): Columba. I (Col I) and Triangulum. II (Tri II). The color-magnitude diagrams of both objects point ...
    • Deep time evidence for climate sensitivity increase with warming 
      Shaffer, Gary; Huber, Matthew; Rondanelli Rojas, Roberto; Pedersen, Jens Olaf Pepke (Amer Geophysical Union, 2016)
      Future global warming from anthropogenic greenhouse gas emissions will depend on climate feedbacks, the effect of which is expressed by climate sensitivity, the warming for a doubling of atmospheric CO2 content. It is not ...
    • Deep transfer learning for star cluster classification: I. application to the PHANGS–HST survey 
      Wei, Wei; Huerta, E. A.; Whitmore, Bradley; Lee, Janice; Hannon, Stephen; Chandar, Rupali; Dale, Daniel; Larson, Kirsten; Thilker, David; Ubeda, Leonardo; Boquien, Mederic; Chevance, Melanie; Kruijssen, J. M. Diederik; Schruba, Andreas; Blanc Mendiberri, Guillermo; Congiu, Enrico (Oxford University Press, 2020)
      We present the results of a proof-of-concept experiment that demonstrates that deep learning can successfully be used for production-scale classification of compact star clusters detected in Hubble Space Telescope (HST) ...
    • Deep variational auto-encoders: A promising tool for dimensionality reduction and ball bearing elements ... 
      San Martin, Gabriel; López Droguett, Enrique; Meruane Naranjo, Viviana; das Chagas Moura, Márcio (SAGE Publications Ltd, 2019)
      © The Author(s) 2018.One of the main challenges that the industry faces when dealing with massive data for failure diagnosis is high dimensionality of such data. This can be tackled by dimensionality reduction method such ...
    • A deep WISE search for very late type objects and the discovery of two halo/thick-disc T dwarfs: WISE ... 
      Pinfield, D. J.; Gomes, J.; Day Jones, A. C.; Leggett, S. K.; Gromadzki, M.; Burningham, B.; Ruiz González, María Teresa; Kurtev, R.; Cattermole, T.; Cardoso, C.; Lodieu, N.; Faherty, J.; Littlefair, S.; Smart, R.; Irwin, M.; Clarke, J. R. A.; Smith, L.; Lucas, P. W.; Gálvez Ortiz, M. C.; Jenkins, James Stewart; Jones, H. R. A.; Rebolo, L.; Béjar, V. J. S.; Gauza, B. (Oxford University Press, 2014)
      A method is defined for identifying late-T and Y dwarfs in WISE down to low values of signalto- noise. This requires a WISE detection only in theW2-band and uses the statistical properties of the WISE multiframe measurements ...
    • Deep-HiTS: Rotation Invariant Convolutional Neural Network for Transient Detection 
      Cabrera Vives, Guillermo; Reyes, Ignacio; Förster, Francisco; Estévez Valencia, Pablo; Maureira, Juan Carlos (Institute of Physics, 2017)
      We introduce Deep-HiTS, a rotation invariant convolutional neuralnetwork (CNN) model for clas-sifying images of transients candidates into artifacts or real sources for the High cadence TransientSurvey (HiTS). CNNs have ...
    • Deep-learning-based physical layer authentication for industrial wireless sensor networks 
      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 ...
    • Deexcitation rate coefficients of C-3 by collision with H-2 at low temperatures 
      Santander, Carlos; Denis Alpizar, Otoniel; Cardenas Valencia, Carlos Alberto (EDP Sciences, 2022)
      Context. An accurate analysis of the physical-chemical conditions in the regions of the interstellar medium in which C3 is observed requires knowing the collisional rate coefficients of this molecule with He, H2, electrons, ...
    • Defaunación de dasipróctidos y sus consecuencias sobre la distribución y abundancia de palmas en el ... 
      Vargas, Javier H. (Universidad de Chile, 2008)
      La cacería de subsistencia y comercial practicada por los habitantes de los bosques Neotropicales disminuye la abundancia de los grandes mamíferos, incluyendo los dasipróctidos. Los dasipróctidos son importantes dispersores ...
    • A defect in carbohydrate metabolism ameliorates symptom severity in virus-infected Arabidopsis thaliana 
      Handford, Michael; Carr, John P. (SOC GENERAL MICROBIOLOGY, 2006-09-14)
      Altered starch accumulation is a characteristic biochemical symptom of virus infection in plants. To assess its biological importance, infection of Arabidopsis thaliana with Turnip vein-clearing virus, Cucumber mosaic ...
    • Defect in ERK2 and p54JNK activation in aging mouse splenocytes 
      Li, Min; Torres, Claudio; Acuña Castillo, Claudio; Walter, Robin Ann; Gardner, Elizabeth M.; Murasko, Donna M.; Sierra, Felipe (2002)
      We have previously reported on a defect in both extracellular signal-regulated protein kinase (ERK) and c-jun N-terminal kinase (JNK) mitogen-activated protein kinase (MAPK) activation in splenocytes obtained from old rats. ...
    • Defect Modes, Fano Resonances and Embedded States in Magnetic Metamaterials 
      Molina Gálvez, Mario (Springer-Verlag Berlin Heidelberg, 2013)
      We consider a simplified model of a nonlinear magnetic metamaterial, consisting of a weakly-coupled, periodic split-ring resonator (SRR) array capable of nonlinear capacitive response. We analyze three related problems: ...
    • Defect-specific rectocele repair: medium-term anatomical, functional and subjective outcomes 
      Guzmán Rojas, Rodrigo; Atan, Ixora; Shek, Ka Lai; Dietz, Hans (Wiley-Blackwell, 2015)
      BackgroundRectocele is a herniation of the anterior wall of the rectal ampulla through a defect in the rectovaginal septum causing protrusion of the posterior vaginal wall. Common symptoms include symptoms of prolapse and ...
    • Defective human T-cell lymphotropic virus type I (HTLV-I) provirus in seronegative tropical spastic ... 
      Ramirez, E.; Fernandez, J.; Cartier Rovirosa, Luis; Villota, C.; Rios, M. A. (2003)
      Infection with human T-cell lymphotropic virus type I (HTLV-I) have been associated with the development of the tropical spastic paraparesis/HTLV-I-associated myelopathy (TSP/HAM). We studied the presence of HTLV-I provirus ...
    • Defective insulin signaling and mitochondrial dynamics in diabetic cardiomyopathy 
      Westermeier, Francisco; Navarro Márquez, Mario F.; López Crisosto, Camila; Bravo Sagua, Roberto; Quiroga Lagos, Clara; Bustamante, Mario; Verdejo, Hugo E.; Zalaquett Sepúlveda, Ricardo; Ibacache, Mauricio; Parra Ortíz, María Valentina; Castro, Pablo F.; Rothermel, Beverly A.; Hill, Joseph A.; Lavandero González, Sergio (Elsevier, 2015)
      Diabetic cardiomyopathy (DCM) is a common consequence of longstanding type 2 diabetes mellitus (T2DM) and encompasses structural, morphological, functional, and metabolic abnormalities in the heart.Myocardial energy metabolism ...
    • Defective Wound-healing in Aging Gingival Tissue 
      Cáceres Lluch, Mónica Andrea; Oyarzún, A.; Smith, P. C. (Sage, 2014)
      Aging may negatively affect gingival wound-healing. However, little is known about the mechanisms underlying this phenomenon. The present study examined the cellular responses associated with gingival wound-healing in ...
    • Defectos congénitos cráneo-encefálicos: variedades y respuesta a la fortificación de la harina con ácido fólico 
      Corral S., Edgardo; Moreno Salinas, Rodrigo; Pérez G., Guillermo; Ojeda B., María Elena; Valenzuela G., Hernán; Reascos M., Mauricio; Sepúlveda L., Waldo (2006)
      Background: In Chile, flour is fortified with folic acid since 2000, and the incidence of neural tube defects has decreased. Cranio-encephalic congenital defects (CECD) have a wider clinical scope, includind classical ...
    • Defectos dependientes de temperatura en mutantes de Drosophila melanogaster para la proteína sináptica disc-large 
      Inzunza Melo, Gabriela Alejandra (Universidad de Chile, 2010)
      La correcta ubicación de todos los componentes sinápticos durante el desarrollo requiere del ordenamiento preciso de una red de proteínas, este ordenamiento es provisto por proteínas andamio, pertenecientes a la familia ...
    • Defectos y riesgos del sistema registral inmobiliario chileno y el seguro de títulos 
      Cortés Cid, Germán Arturo Jesús (Universidad de Chile, 2019)
      El objetivo del presente trabajo es analizar la naturaleza y pertinencia del seguro de títulos en nuestro sistema registral inmobiliario, sus virtudes, defectos y el alcance del seguro sobre los riesgos jurídicos asociados ...
    • Defects in G-Actin Incorporation into Filaments in Myoblasts Derived from Dysferlinopathy Patients Are ... 
      Báez Matus, Ximena; Figueroa Cares, Cindel; González Jamett, Arlek M.; Almarza Salazar, Hugo; Arriagada, Christian; Maldifassi, María Constanza; Guerra, María José; Mouly, Vincent; Bigot, Anne; Caviedes Fernández, Pablo; Cárdenas, Ana M. (MDPI, 2020)
      Dysferlin is a transmembrane C-2 domain-containing protein involved in vesicle trafficking and membrane remodeling in skeletal muscle cells. However, the mechanism by which dysferlin regulates these cellular processes ...