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Elsevier |
Documentos disponibles de esta editorial (2214)
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Medina-Alva, Pilar ; Duque, Kevin R. ; Zea-Vera, Alonso ; Bellomo, Sicilia ; Carcamo, Cesar ; Guillen-Pinto, Daniel ; Rivas, Maria ; Tori, Alfredo ; Zegarra, Jaime ; Cam, Luis ; Castaneda, Anne ; Villavicencio, Aasith ; Ochoa, Theresa J. | Elsevier | 2019-07-04T16:59:25ZOBJECTIVE: To evaluate the combined prognostic value of neurological examination, head circumference and cranial ultrasound for neurodevelopmental delay (NDD) in very low birth weight (VLBW, /=2 deviant items of Hammersmith neurological examin[...]![]()
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Medina-Alva, P. ; Duque, K.R. ; Zea-Vera, A. ; Bellomo, S. ; Carcamo, C. ; Guillén-Pinto, D. ; Rivas, M. ; Tori, A. ; Zegarra, J. ; Cam, L. ; Castañeda, A. ; Villavicencio, A. ; Ochoa, T.J. | Elsevier | 2019-12-06T21:02:52ZObjective: To evaluate the combined prognostic value of neurological examination, head circumference and cranial ultrasound for neurodevelopmental delay (NDD) in very low birth weight (VLBW,![]()
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Dahlquist, Juan Andrés ; Galindo Francisco, Mª del Carmen ; Morales Cámera, Matías M. ; Moreno, Juan A. ; Alasino, Pablo H. ; Basei, Miguel A.S. ; Macchioli Grande, Marcos | Elsevier | 2020-06We report new whole-rock Nd and Sr isotope data for two strongly peraluminous and one slightly peraluminous Carboniferous A-type granitic plutons in the eastern Sierras Pampeanas of Argentina. Our study also integrates previous petrological and [...]![]()
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Abati Gómez, Jacobo ; Arenas Martín, Ricardo ; Díez Fernández, Rubén ; Albert, Richard ; Gerdes, Axel | Elsevier | 2018-12-01UPb and LuHf isotope ratios measured in zircon crystals from magmatic and metamorphic rocks provide crucial information to understand the origin and tectonothermal evolution of allochthonous terranes, and can contribute to paleogeographic recons[...]![]()
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Abati Gómez, Jacobo ; Arenas Martín, Ricardo ; Díez Fernández, Rubén ; Albert, Richard ; Gerdes, Axel | Elsevier | 2018-12-01UPb and LuHf isotope ratios measured in zircon crystals from magmatic and metamorphic rocks provide crucial information to understand the origin and tectonothermal evolution of allochthonous terranes, and can contribute to paleogeographic recons[...]![]()
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Ordóñez Sanz, Ruth ; Moral, Ana ; Hermosilla Redondo, Daphne ; Blanco Suárez, Ángeles | Elsevier | 2012The concentrated stream of a reverse osmosis unit was treated by coagulation, softening and flocculation to reduce conductivity and refractory organic matter content. Different polyaluminium chlorides and one ferric salt were used as coagulants,[...]![]()
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Contrary to the expected behavior, we show the existence of non-invertible deformations of Lie algebras which can generate invariants for the coadjoint representation, as well as delete cohomology with values in the trivial or adjoint module. A [...]![]()
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Lario Gómez, Javier ; Dabrio, Cristino J. ; Zazo Cardeña , Caridad ; Goy Goy, José Luis ; Borja, Francisco ; Cabero del Río, Ana ; Bardají Azcárate, Teresa ; Silva Barroso, Pablo Gabriel | Elsevier | 2010Rodríguez-Ramírez and Yáñez-Camacho (2008), Rodríguez-Vidal et al. (2009) and Rodríguez-Ramírez et al. (2009) have kept an ongoing discussion about the validity of radiocarbon ages in reconstructing Holocene palaeogeographical models in the Gulf[...]![]()
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Ronchi, Ausonio ; Lloret, Joan ; Gretter, Nicola ; López Gómez, José ; Horra, Raúl de la ; Barrenechea, José F. ; Arche, Alfredo | Elsevier | 2019-03In their paper, Mujal et al. (2017) describe as exceptional a section in the E Pyrenees (namely the Coll de Terrers), considering it a continental succession that continuously spans in time from the Late Permian to the Early Triassic. These auth[...]![]()
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Ruiz Pérez, Javier ; Jiménez Díaz, Alberto ; Parro, Laura M. ; Egea González, Isabel ; Mansilla, Federico | Elsevier | 2019-04Two recent papers, by Karimi et al. (2016, Icarus 272, 102–113) and Karimi and Dombard (2017, Icarus 282, 34–39), tried to deduce paleo-heat flows for, respectively, Mars and Venus from modeling the viscoelastic relaxation of large impact crater[...]![]()
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With the re-emergence of insurgency tied to terrorism, governments need to strategically manage their communications. This paper analyzes the effect of the Spanish government’s messaging in the face of the Madrid bombing of March 11, 2004: unlik[...]![]()
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In this note we study the relationship between compactness and weak compactness of a continuous homomorphism A from Cco(S) into Cco(T) and the associated continuous function ' : T ! S, where S and T are completely regular Hausdorff spaces.![]()
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The author studies by the local energy method the compactness of the support of the solutions to nonlinear elliptic or parabolic equations (in this last case also the Stefan-like case is considered).![]()
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We show some compactness properties of the operator f--u, where u is the solution of the nonlinear diffusion equation ut???(u)=f on (0,T)×? associated with the parabolic boundary conditions ?(u)=0 on (0,T)×?? and u(0,?)=u0(?) on ?, u0 a given fu[...]![]()
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We establish a compactness interpolation result for bilinear operators of the type proved by Janson for bounded bilinear operators. We also give an application to compactness of convolution operators.![]()
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Panduro Correa, V. ; Dámaso Mata, B. ; Loza Munarriz, C. ; Herrera Matta, J. J. ; Arteaga Livias, K. | Elsevier | 2019-07-04T16:59:26ZIntroducción y objetivo. El cáncer gástrico es una de las neoplasias más frecuentes en el Perú y el mundo, con la cirugía como único tratamiento con potencial curativo y paliativo en otros casos, para la cual se utiliza con mayor frecuencia la g[...]![]()
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Bolinches Quero, Antonio ; Paredes-Arquiola, Javier ; Garrido, Alberto ; De Stefano, Lucia | Elsevier | 2020-10-15Freshwater ecosystems and water uses may be jeopardized by the degradation of water quality. The Water Framework Directive of the European Union (EU) sets environmental objectives for water bodies but foresees the establishment of exemptions und[...]![]()
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Lomonte, Bruno ; Díaz, Cecilia ; Chaves, Fernando ; Fernández, Julián ; Ruiz, Marco ; Salas, Maria ; Zavaleta, Alfonso ; Calvete, Juan J. ; Sasa, Mahmood | Elsevier | 2020-07-14T00:02:31ZSnake species within the Bothrops complex (sensu lato) are of medical relevance in Latin America, but knowledge on their venom characteristics is limited, or even unavailable, for some taxa. Perú harbors 17 species of pit vipers, within the gene[...]![]()
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Guerra, M. ; Prina, A.M. ; Ferri, C.P. ; Acosta, D. ; Gallardo, S. ; Huang, Y. ; Jacob, K.S. ; Jimenez-Velazquez, I.Z. ; Llibre Rodriguez, J.J. ; Liu, Z. ; Salas, A. ; Sosa, A.L. ; Williams, J.D. ; Uwakwe, R. ; Prince, M. | Elsevier | 2019-04-24T18:23:53ZBackground: Current estimates of the prevalence of depression in later life mostly arise from studies carried out in Europe, North America and Asia. In this study we aimed to measure the prevalence of depression using a standardised method in a [...]![]()
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Buján, Noemí ; Hernández Haro, Carolina ; Monteoliva Díaz, Lucía ; Gil, Concha ; Magariños, Beatriz | Elsevier | 2015-09-08Edwardsiella tarda is an enteric opportunistic pathogen that causes a great loss in aquaculture. This species has been described as a phenotypical homogeneous group; in contrast, serological studies and molecular typing revealed a wide heterogen[...]![]()
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Aparicio, Juan ; Crespo Cebada, Eva ; Pedraja Chaparro, Francisco ; Santín González, Daniel | Elsevier | 2017In this paper, we propose a different way of using the Malmquist index that allows us to further analyze the relative performance divergences between two groups of decision-making units (DMUs) over time when only a pseudo-panel database is avail[...]![]()
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Purpose: To evaluate visual outcomes and satisfaction after implantation of 2 trifocal intraocular lenses (IOLs): a spherical IOL and a toric IOL. Setting: IOA Madrid Innova Ocular, Madrid, Spain. Design: Prospective, controlled clinical trial. [...]![]()
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Daza, Rafael ; González Bermúdez, Blanca ; Cruces, Julia ; Fuente del Rey, Mónica de la ; Plaza, Gustavo R. ; Arroyo Hernández, María ; Elices, Manuel ; Pérez Rigueiro, José ; Guinea, Gustavo V. | Elsevier | 2019-04-08A comparative analysis of T-lymphocyte mechanical data obtained from Micropipette Aspiration (MPA) andAtomic Force Microscopy (AFM) is presented. Results obtained byfitting the experimental data to simple Hertzand Theret models led to non-Gaussi[...]![]()
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Sánchez-Romero, C. ; Mosqueda-Taylor, A. ; Delgado-Azañero, W. ; Paes de Almedia, O. ; Bologna-Molina, R. | Elsevier | 2019-08-08T15:23:47ZObjectives: The aim of this study was to analyze the immunohistochemical expression of fatty acid synthase (FASN) and cyclooxygenase-2 (COX-2) in tooth germ (TG), ameloblastoma (AM), ameloblastic carcinoma (AC), ameloblastic fibroma (AF), and am[...]![]()
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Gaziano, Thomas-A. ; Abrahams-Gessel, Shafika ; Alam, Sartaj ; Alam, Dewan ; Ali, Mohammed ; Bloomfield, Gerald ; Carrillo-Larco, Rodrigo-M. ; Dorairaj, Prabhakaran ; Gutierrez, Laura ; Irazola, Vilma ; Levitt, Naomi-S. ; Miranda, J. Jaime ; Bernabé-Ortiz, Antonio ; Pandya, Ankur ; Rubinstein, Adolfo ; Steyn, Krisela ; Xavier, Denis ; Yan, Lijing-L. | Elsevier | 2019-02-06T14:45:34ZBACKGROUND: Cost-effective primary prevention of cardiovascular disease (CVD) in low- and middle-income countries requires accurate risk assessment. Laboratory-based risk tools currently used in high-income countries are relatively expensive an[...]![]()
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Martín Loeches, Miguel Martín ; Reyes López, Jaime ; Ramírez Hernández, Jorge ; Temiño Vela, Javier ; Martínez Santos, Pedro | Elsevier | 2018-02In poverty-stricken regions of Sub-Saharan Africa, groundwater for supply is often obtained by means of hand pumps, which means that low-yield boreholes are acceptable. However, boreholes are often sited without sufficient hydrogeological inform[...]![]()
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Muñoz García, María Belén ; Cruz, J. ; Martín Chivelet, Javier ; Ortega, Ana Isabel ; Turrero, M.J. ; López Elorza, M. | Elsevier | 2016In the necessary task of obtaining high-resolution paleoclimate series from speleothems, the characterization of their internal microstratigraphy is a useful tool for: a) improving geochronology, and b) reaching a more complete knowledge of the [...]![]()
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Datta, Sumona ; Shah, Lena ; Gilman, Robert H. ; Evans, Carlton A. | Elsevier | 2019-01-25T15:02:20ZBACKGROUND: The performance of laboratory tests to diagnose pulmonary tuberculosis is dependent on the quality of the sputum sample tested. The relative merits of sputum collection methods to improve tuberculosis diagnosis are poorly characteris[...]![]()
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Morad, Daniel ; Nader, Fadi H. ; Gasparrini, Marta ; Morad, Sadoon ; Rossi Nieto, Carlos ; Marchionda, Elisabetta ; Darmaki, Fatima Al ; Martines, Marco ; Hellevang, Helge | Elsevier | 2018-05This petrographic, stable isotopic and fluid inclusion microthermometric study of the Upper Jurassic limestones of an onshore field, Abu Dhabi, United Arab Emirates (UAE) compares diagenesis in flanks and crest of the anticline. The results reve[...]![]()
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Guariguata, Manuel R. ; García Fernández, Carmen ; Sheil, Douglas ; Nasi, Robert ; Herrero Jaúregui, Cristina ; Cronkleton, Peter ; Ingram, Verina | Elsevier | 2010-01-25Tropical forests could satisfy multiple demands for goods and services both for present and future generations. Yet integrated approaches to natural forest management remain elusive across the tropics. In this paper we examine one combination of[...]![]()
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We study the possible continuation of solutions of a nonlinear parabolic problem after the blow-up time. The nonlinearity in the equation is dissipative and blow-up is caused by the nonlinear boundary condition of the form ?u/??=|u|q-1u, where q[...]![]()
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It is proved that any polynomial vector field in two complex variables which is complete on a non-algebraic trajectory is complete.![]()
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Fernández, A. ; Quintero, J. ; Hornero, J. ; Zuluaga Arias, Pilar ; Navas, M. ; Gómez, C. ; Escudero, J. ; García Campos, N. ; Biederman, J. ; Ortiz, T. | Elsevier | 2009-04Background: Attention-deficit/hyperactivity disorder (ADHD) is defined as the most common neurobehavioral disorder of childhood, but an objective diagnostic test is not available yet to date. Neurophychological, neuroimaging, and neurophysiologi[...]![]()
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We consider the Cauchy problem (1) ut=uxx+up, x?R, t> 0, p> 1, (2) u(x,0)=u0(x),x?R, where u0(x) is continuous, nonnegative and bounded. Assume that the solution u(x,t) of (1), (2) blows up at x=0, t=T. We describe here the generic asymptotic be[...]![]()
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The Henares River, central Spain, flows westward from the Iberian Range (Mesozoic sedimentary rocks) under semiarid climatic conditions. In the middle and lower reaches, the Henares River receives sediment from three tributaries (Cañamares, Born[...]![]()
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The respiratory surface in the mammalian lung is stabilized by pulmonary surfactant, a membrane-based system composed of multiple lipids and specific proteins, the primary function of which is to minimize the surface tension at the alveolar air–[...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Prado Millán, Álvaro del ; San Andres Serrano, Enrique | Elsevier | 2004-04The composition of silicon oxynitride (SiOxNy:H) films deposited by electron cyclotron resonance chemical vapour deposition (ECR-CVD) was analysed by ion beam techniques, heavy-ion elastic recoil detection analysis (HI-ERDA) with 150 MeV Kr-86 i[...]![]()
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This paper deals with relations between fuzzy properties. The concepts of ‘fuzzy characteristic’ and ‘cr-field of labels of fuzzy properties’ are defined in order to justify the notion of ‘comprehensive measurable function’.![]()
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Kay, Chris ; Collins, Jennifer A. ; Caron, Nicholas S. ; Agostinho, Luciana de Andrade ; Findlay-Black, Hailey ; Casal, Lorenzo ; Sumathipala, Dulika ; Dissanayake, Vajira H. W. ; Cornejo-Olivas, Mario ; Baine, Fiona ; Krause, Amanda ; Greenberg, Jacquie L. ; Paiva, Carmen Lucia Antao ; Squitieri, Ferdinando ; Hayden, Michael R. | Elsevier | 2019-12-06T21:02:55ZHuntington disease (HD) is a fatal neurodegenerative disorder caused by a gain-of-function mutation in HTT. Suppression of mutant HTT has emerged as a leading therapeutic strategy for HD, with allele-selective approaches targeting HTT SNPs now i[...]![]()
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Martínez Garrido, Maria Inmaculada ; Fort González, Rafael ; Gómez Heras, Miguel ; Valles-Iriso, J. ; Varas Muriel, María José | Elsevier | 2018-08This article describes the use of non- or minimally destructive methods to study damp in San Juan Bautista Church at Talamanca de Jarama in the Spanish province of Madrid. The combination of Electrical Conductivity Meter (EC), Infrared Thermogra[...]![]()
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We consider a multi-server retrial queueing model in which arrivals occur according to a Markovian arrival process. Using continuous-time Markov chain with absorbing states, we determine the distribution of the maximum number of customers in a r[...]![]()
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Thompson, Randall C. ; Allam, Adel H. ; Zink, Albert ; Wann, L. Samuel ; Lombardi, Guido P. ; Cox, Samantha L. ; Frohlich, Bruno ; Sutherland, M. Linda ; Sutherland, James D. ; Frohlich, Thomas C. ; King, Samantha I. ; Miyamoto, Michael I. ; Monge, Janet M. ; Valladolid, Clide M. ; El-Halim Nur El-Din, Abd ; Narula, Jagat ; Thompson, Adam M. ; Finch, Caleb E. ; Thomas, Gregory S. | Elsevier | 2020-06-10T18:11:38ZAlthough atherosclerosis is widely thought to be a disease of modernity, computed tomographic evidence of atherosclerosis has been found in the bodies of a large number of mummies. This article reviews the findings of atherosclerotic calcificati[...]![]()
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Cano Vindel, Antonio ; Muñoz-Navarro, Roger ; Medrano, Leonardo Adrián ; Ruiz-Rodríguez, Paloma ; González-Blanch, César ; Gómez-Castillo, María Dolores ; Capafons, Antonio ; Chacón Fuertes, Fernando ; Santolaya, Francisco | Elsevier | 2018-02-19Abstract Background: The Patient Health Questionnaire-4 (PHQ-4) is an ultra-brief self-report consisting of a 2-item depression scale (PHQ-2) and a 2-item anxiety scale (GAD-2). The aim of the present study is to determine the psychometric prope[...]![]()
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Martínez Carmona, Marina ; Izquierdo Barba, Isabel ; Colilla, Montserrat ; Vallet Regí, María | Elsevier | 2019-07-03The ability of bacteria to form biofilms hinders any conventional treatment for chronic infections and has serious socio-economic implications. For this purpose, a nanocarrier capable of overcoming the barrier of the mucopolysaccharide matrix of[...]![]()
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In this article we examine the concentration and oscillation effects developed by high-frequency eigenfunctions of the Laplace operator in a compact Riemannian manifold. More precisely, we are interested in the structure of the possible invarian[...]![]()
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Cornejo Montoro, Enrique ; García Fungairiño, Sara ; Barandica Fernández, Jesús María ; Serrano Talavera, José Manuel ; Martín Zorrila, Juan Vicente ; Gómez, T. ; Zapata, F.J. ; Acosta Salmerón, Francisco Javier | Elsevier | 2016-01Improving the efficiency of management in protected areas is imperative in a generalized context of limited conservation budgets. However, this is overlooked due to flaws in problem definition, general disregard for cost information, and a lack [...]![]()
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Sequence stratigraphy allows elucidation of the time-space relationships of deposits in sedimentary basins. However, the relative distribution of unconformities and condensed sections can neither be used as diagnostic criteria for particular pal[...]