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Elsevier |
Documentos disponibles de esta editorial (2214)
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Lazo-Porras, Maria ; Bernabé-Ortiz, Antonio ; Malaga, German ; Gilman, Robert H. ; Acuna-Villaorduna, Ana ; Cárdenas-Montero, Deborah ; Smeeth, Liam ; Miranda, J. Jaime | Elsevier | 2019-02-06T14:52:14ZIntroduction. Whilst the relationship between lipids and cardiovascular mortality has been well studied and appears to be controversial, very little has been explored in the context of rural-to-urban migration in low-resource settings. Objective[...]![]()
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Alorda, Catalina ; Serrano Pedraza, Ignacio ; Campos Bueno, José Javier ; Sierra Vázquez, Vicente ; Montoya, Pedro | Elsevier | 2007-11-05Recent research on affective processing has suggested that low spatial frequency information of fearful faces provide rapid emotional cues to the amygdala, whereas high spatial frequencies convey fine-grained information to the fusiform gyrus, r[...]![]()
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González, F.J. ; Rincón Tomás, B. ; Somoza, Luis ; Santofimia Pastor, Esther ; Medialdea Cela, Teresa ; Madureira, Pedro ; López Pamo, Enrique ; Hein, J.R. ; Marino, Egidio ; de Ignacio, Cristina ; Reyes, J. ; Hoppert, M. ; Reitner, J. | Elsevier | 2020-12Hydrothermal iron (Fe)-rich sediments were recovered from the Tagoro underwater volcano (Central Atlantic) that formed during the 2011–2012 volcanic event. Cruises in 2012 and 2014 enabled the monitoring and sampling of the early-stage establish[...]![]()
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Cózar Maldonado, Pedro ; Vachard, Daniel ; Izart, Alain ; Said, Ismail ; Somerville, Ian D. ; Rodríguez, Sergio ; Coronado, Ismael ; El Houicha, Mohamed ; Ouarhachei, Driss | Elsevier | 2020-08Foraminifera have been used to revise the biostratigraphy of all known Mississippian outcrops in Morocco cited either as early Viséan (or its equivalent V2a or V2a/b chronozones or the regional Cfm1 biozones), or mid Viséan (or the foraminiferal[...]![]()
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We analyze under what conditions the best Lp(?)-linear fittings of the action of a mapping f on small balls give reliable estimates of the tangent map Df. We show that there is an inverse relationship between the conditions on the regularity, in[...]![]()
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We study the decompactification limit of M-theory superpotentials for N = 1 four dimensional supersymmetric gauge theories. These superpotentials can be interpreted as generated by toron configurations. The connection with the confinement pictur[...]![]()
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Valerio, Carlotta ; De Stefano, Lucia ; Martínez Muñoz, Gonzalo ; Garrido, Alberto | Elsevier | 2021-01Anthropogenic activities are seriously endangering the conservation of biodiversity worldwide, calling for urgent actions to mitigate their impact on ecosystems. We applied machine learning techniques to predict the response of freshwater ecosys[...]![]()
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Ramírez Sebastián, Ana Isabel ; Salazar Corral, Juan José ; Hoz Montañana, María Rosa de ; Rojas López, María Blanca ; Gallego Collado, Beatriz Isabel ; García Martín, Elena Salobrar ; Valiente Soriano, Francisco Javier ; Triviño Casado, Alberto ; Ramirez Sebastian, Jose Manuel | Elsevier | 2015Most studies employing experimental models of unilateral glaucoma have used the normotensive contralateral eye as the normal control. However, some studies have recently reported the activation of the retinal macroglia and microglia in the uninj[...]![]()
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Fernández Marchán, Daniel ; Refoyo Román, Pablo ; Fernández, Rosa ; Novo Rodríguez, Marta ; Sosa, Irene de ; Díaz Cosín, Darío J. | Elsevier | 2016-07Ecological Niche Modeling (ENM) through MaxEnt and quantitative comparison techniques using ENMtools could facilitate ecological inferences in problematic soil dwelling taxa. Despite its ecological relevance in the Western Mediterranean basin, t[...]![]()
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Ramírez Sebastián, Ana Isabel ; Salazar Corral, Juan José ; Hoz Montañana, María Rosa de ; Rojas López, María Blanca ; Ruiz, Emilio ; Tejerina Sánchez, Teresa ; Ramirez Sebastian, Jose Manuel ; Triviño Casado, Alberto | Elsevier | 2006-09-26This study evaluates hypercholesterolemic rabbits, examining the retinal changes in Müller cells and astrocytes as well as their variations after a period of normal blood-cholesterol values induced by a standard diet. New Zealand rabbits were di[...]![]()
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Cicuendez, Monica ; Fernándes, Márcia ; Ayán-Varela, Miguel ; Oliveira, Helena ; Feito Castellano, María José ; Díez Orejas, Rosalía ; Paredes, Juan I. ; Villar-Rodil, Silvia ; Vila, Mercedes ; Portolés Pérez, María Teresa ; Duarte, Iola F. | Elsevier | 2020-02The preparation of graphene-based nanomaterials (GBNs) with appropriate stability and biocompatibility is crucial for their use in biomedical applications. In this work, three GBNs differing in size and/or functionalization have been synthetized[...]![]()
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Romeo Briones, Ignacio ; Capote del Villar, Ramón ; Tejero López, Rosa ; Lunar Hernández, Rosario ; Quesada Ochoa, Cecilio | Elsevier | 2006The Santa Olalla Igneous Complex, a late-Variscan group of intrusions located in the Ossa-Morena Zone (SW Iberia), has been the focus of a gravity and structural study. The structure outlined by the foliation map is complex, showing two differen[...]![]()
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Rezaei Kahkaei, Mehdi ; Galindo Francisco, Mª del Carmen ; Pankhurst, R.J. ; Esmaeily, Dariush | Elsevier | 2011Geochemical and isotopic data (Sr, Nd) are presented for the Khalkhab–Neshveh pluton, an E-W elongated body of quartz monzogabbro, quartz monzodiorite, granodiorite and granite in the Urumieh– Dokhtar magmatic arc of Central Iran. The plutonic r[...]![]()
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This paper provides an ancient analogue for biologically mediated magnesite in lacustrine hypersaline environments. Thin beds of massive to crudely laminated magnesitic marls occur interbedded with mudstone and evaporite facies deposited in a sa[...]![]()
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Cabrejos-Azama, Jatsué ; Hamdan Alkhraisat, Mohammad ; Rueda, Carmen ; Torres García-Denche, Jesús ; Blanco, Luis ; López-Cabarcos, Enrique | Elsevier | 2014We have synthesized calcium phosphate cements doped with different amounts of magnesium (Mg-CPC)with a twofold purpose: i)to evaluate in vitro the osteoblast cell response to this material and ii) to compare the bone regeneration capacity of the[...]![]()
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Sánchez Tirado, E ; Gónzalez Cortés, A ; Yáñez Sedeño, Paloma ; Pingarrón Carrazón, José Manuel | Elsevier | 2018This paper reports the development and performance of an electrochemical immunosensor using magnetic multiwalled carbon nanotubes (m-MWCNTs) as nanocarrier tags for the determination of human fetuin A (HFA), a relevant biomarker of obesity, insu[...]![]()
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Gonzalez Fernandez, M. A. ; Torres, T. ; Andrés Vergés, M. ; Costo, R. ; Presa Muñoz del Toro, Patricia de la ; Serna, C. J. ; Morales, M. P. ; Marquina, C. ; Ibarra, M. R. ; Goya, G. F. | Elsevier | 2009-10We present a Study on the magnetic properties of naked and silica-coated Fe?O?nanoparticles with sizes between 5 and 110 nm. Their efficiency as heating agents was assessed through specific power absorption (SPA) measurements as a function of pa[...]![]()
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Alonso Henar, Jorge ; Benito, Belén ; Staller, A. ; Álvarez Gómez, José Antonio ; Martínez Díaz, José J. ; Canora Catalán, Carolina | Elsevier | 2018-10We present a map and a data set containing information about intra-plate seismic sources in El Salvador. These are the results of the field campaigns and data analysis carried out by the research group of Planetary Geodinamics, Active Tectonics [...]![]()
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The Early Aptian Oceanic Anoxic Event (OAE 1a) was characterized by intensified greenhouse climate conditions, widespread accumulation of organic deposits in open-marine settings, major perturbations in the C cycle and a generalized increase in [...]![]()
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The Cantareira system is a network of reservoirs located in the inland region of São Paulo State. In 1974 it started operating to bring water from a sparsely populated region – the headwaters of the Piracicaba, Capivari, and Jundiaí (PCJ) rivers[...]![]()
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Hernández-Lambraño, Enrique ; Carbonell Alanís, Roberto ; Sánchez Aguado, José Ángel | Elsevier | 2020-08-23The design of effective strategies for the conservation and management of threatened narrow-range species requires basic knowledge on their geographic distribution and abundance. When such knowledge is lacking, modelling techniques can provide a[...]![]()
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Moreno Gordaliza, Estefanía ; Esteban Fernández, Diego ; Lázaro, Alberto ; Humanes, Blanca ; Aboulmagd, Sarah ; Tejedor, Alberto ; Linscheid, Michael W. ; Gómez Gómez, M.Milagros | Elsevier | 2017Imaging techniques for mapping molecular distributions in tissue sections can reveal valuable information on biomolecules involved in relevant biochemical processes. A method has been developed for comprehensive, reproducible and sensitive lipid[...]![]()
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Baral, S.D. ; Friedman, M.R. ; Geibel, S. ; Rebe, K. ; Bozhinov, B. ; Diouf, D. ; Sabin, K. ; Holland, C.E. ; Chan, R. ; Cáceres, C.F. | Elsevier | 2019-04-24T18:23:55ZMale sex workers who sell or exchange sex for money or goods encompass a very diverse population across and within countries worldwide. Information characterising their practices, contexts where they live, and their needs is limited, because the[...]![]()
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Haydour, Qusay ; Alahdab, Fares ; Farah, Magdoleen ; Barrionuevo, Patricia ; Vertigan, Anne E. ; Newcombe, Peter A. ; Pringsheim, Tamara ; Chang, Anne B. ; Rubin, Bruce K. ; McGarvey, Lorcan ; Weir, Kelly A. ; Altman, Kenneth W. ; Feinstein, Anthony ; Murad, Mohammad Hassan ; Irwin, Richard S. | Elsevier | 2020-06-10T18:11:35ZBACKGROUND: Several pharmacologic and nonpharmacologic therapeutic options have been used to treat cough that is not associated with a pulmonary or extrapulmonary etiology. METHODS: We conducted a systematic review to summarize the evidence supp[...]![]()
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Torres García-Denche, Jesús ; Tamimi, Faleh ; García, Ignacio ; Cebrián, José Luis ; López-Cabarcos, Enrique ; López, Antonio | Elsevier | 2008Studies investigating whether osteoporosis is arisk factor for using implants have revealed no correlation between possible implant failure and the severity of osteoporosis. However, osteoporotic patientsfrequently require bone regeneration tech[...]![]()
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Salazar Quiñones, Liseth ; Molero Senosiain, Mercedes ; Aguilar Munoa, Soledad ; Gegúndez Fernández, José Antonio ; Díaz Valle, David ; Muñóz Hernández, Ana María ; Benítez del Castillo, José Manuel | Elsevier | 2020-06-17Purpose: Neurotrophic corneal ulcers are difficult to treat, and the conventional treatment often results in failure. A new matrix regenerating agent (“ReGeneraTing Agents”), Cacicol® (Laboratoires Théa), has demonstrated good results over the l[...]![]()
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Correale, Jorge ; Abad, Patricio ; Alvarenga, Regina ; Alves-Leon, Soniza ; Armas, Elizabeth ; Barahona, Jorge ; Buzo, Ricardo ; Corona, Teresa ; Cristiano, Edgardo ; Gracia, Fernando ; Bonitto, Juan Garcia ; Macias, Miguel Angel ; Soto, Arnoldo ; Vizcarra, Darwin ; Freedman, Mark S. | Elsevier | 2020-06-10T18:12:13ZThe Latin American MS Experts' Forum has developed practical recommendations on the initiation and optimization of disease-modifying therapies in patients with relapsing-remitting multiple sclerosis (RRMS). The recommendations reflect the unique[...]![]()
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The incidence of esophageal cancer is steadily increasing worldwide. Outcome is poor, given that the majority of cases are diagnosed at advanced disease stages. However, when detected at early stages, esophageal tumors can be curatively treated [...]![]()
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Rutgers, Michiel ; Orgiazzi, Alberto ; Gardi, Ciro ; Römbke, Jörg ; Jänsch, Stephan ; Keih, Adrian M. ; Neilson, Roy ; Boag, Brian ; Schmidt, Olaf ; Murchie, Archie K. ; Blackshaw, Rod P. ; Pérès, Guénola ; Cluzeau, Daniel ; Guernion, Muriel ; Briones, Maria J. I. ; Rodeiro, Javier ; Piñeiro, Raúl ; Díaz Cosín, Darío J. ; Sousa, J.Paulo ; Suhadolc, Marjetka ; Kos, Ivan ; Krogh, Paul-Henning ; Faber, Jack H. F ; Mulder, Christian ; Bogte, Jaap J. ; Van Wijnen, Harm J. ; Schouten, Anton J. ; De Zwart, Dick | Elsevier | 2016-01Existing data sets on earthworm communities in Europe were collected, harmonized, collated, modelled and depicted on a soil biodiversity map. Digital Soil Mapping was applied using multiple regressions relating relatively low density earthworm c[...]![]()
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Fecal contamination poses a threat to groundwater supplies in low income regions. This is often due to the coexistence of pit latrines with domestic wells in densely populated areas. In this context, developing alternative methodologies to map f[...]![]()
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Rodriguez-Morales, Alfonso J. ; Yepes-Echeverri, María Camila ; Acevedo-Mendoza, Wilmer F. ; Marín-Rincón, Hamilton A. ; Culquichicon, Carlos ; Parra-Valencia, Esteban ; Cardona-Ospina, Jaime A. ; Flisser, Ana | Elsevier | 2018-11-30T17:17:15ZBACKGROUND: In Colombia, taeniasis and cysticercosis have been significantly reduced over the past decades, however still reported with implications for public health and travel medicine. METHODS: An observational, retrospective study, in which [...]![]()
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Quintanilla, Alberto E. ; Taype-Rondan, Álvaro ; Lazo Porras, Maria ; Herrera Añazco, Percy | Elsevier | 2019-12-17T16:53:35ZObjetivo: Evaluar la asociación entre tres marcadores de obesidad: índice de masa corporal (IMC), perímetro abdominal (PA) e índice cintura/talla (ICT) con albuminuria, en adultos de un centro de atención primaria especializado en enfermedades c[...]![]()
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The Early Toarcian mass extinction event represented the most important Mesozoic and Cenozoic turnover of the population of brachiopods and severely affected other benthic fauna. Two main hypotheses have been proposed to explain the synchronous [...]![]()
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Aller, María Ángeles ; Martínez, Vicente ; Arias, Ana ; Nava, María Paz ; Cuervas-Mons, Valentín ; Vergara, Patri ; Arias, Jaime | Elsevier | 2019-03-08Introduction Splanchnic mast cells increase in chronic liver and in acute-on-chronic liver diseases. We administered Ketotifen, a mast cell stabilizer, and measured the mast cells in the splanchnic organs of cholestatic rats. Material and Metho[...]![]()
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The distributional properties of the weighted (h, phi)-divergence test statistics introduced in Landaburu and Pardo (2000) rely on large sample sizes for their validity. In this paper the accuracy of applying asymptotic results in cases where th[...]![]()
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Zambruni, Mara ; Villalobos, Alex ; Somasunderam, Anoma ; Westergaard, Sarah ; Nigalye, Maitreyee ; Turin, Christie G. ; Zegarra, Jaime ; Bellomo, Sicilia ; Mercado, Erik ; Ochoa, Theresa J. ; Utay, Netanya S. | Elsevier | 2019-01-25T15:28:05ZSeveral cytokines have been detected in human milk but their relative concentrations differ among women and vary over time in the same person. The drivers of such differences have been only partially identified, while the effect of luminal cytok[...]![]()
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Herba, Catherine M. ; Glover, Vivette ; Ramchandani, Paul G. ; Rondon, Marta B. | Elsevier | 2019-02-22T14:56:08ZStudies examining mechanisms underlying associations between maternal depression and adverse child outcomes (including behaviour, socioemotional adjustment, and emotion regulation) indicate that during pregnancy, maternal depression could aff ec[...]![]()
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Yucra, S. ; Tapia, V. ; Steenland, K. ; Naeher, L. P. ; Gonzales, G. F. | Elsevier | 2020-06-10T18:11:31ZBACKGROUND: Exposure to pollution from biomass fuel has been associated with low birthweight in some studies. Few studies have included exposure-response analyses. METHOD: We conducted a case-control study of biomass fuel use and reproductive o[...]![]()
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Arias, Clemente F. ; Herrero, Miguel A. ; Acosta Salmerón, Francisco Javier ; Fernández Arias, Clemente | Elsevier | 2014-05-21We formulate and analyze an algorithm of cell fate decision that describes the way in which division vs. apoptosis choices are made by individual T cells during an infection. Such model involves a minimal number of known biochemical mechanisms: [...]![]()
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Ivorra, Benjamin ; Ferrández, M.R. ; Vela Pérez, María ; Ramos, Ángel Manuel | Elsevier | 2020-04-30In this paper we develop a mathematical model for the spread of the coronavirus disease 2019 (COVID-19). We use a compartmental model (but not a SIR, SEIR or other general purpose model) and take into account the known special characteristics of[...]![]()
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Our interest is in the study of the MAP/PH/1/1 --> (.)/PH/1/K + 1 queue with blocking and repeated attempts. The main feature of its infinitesimal generator is the spatial heterogeneity caused by the transitions due to successful repeated attem[...]![]()
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Matrix orthogonal Laurent polynomials in the unit circle and the theory of Toda-like integrable systems are connected using the Gauss–Borel factorization of two, left and a right, Cantero–Morales–Velázquez block moment matrices, which are constr[...]![]()
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Azagra Rueda, Daniel ; Ferrera Cuesta, Juan ; López-Mesas Colomina, Fernando | Elsevier | 2006-11-01We establish a maximum principle for viscosity subsolutions and supersolutions of equations of the form u(t) + F(t, d(x)u) = 0, u(0, x) = u(0)(x), where u(0): M -> R is a bounded uniformly continuous function, M is a Riemannian manifold, and F:[...]![]()
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We are concerned with the problem of characterizing the distribution of the maximum number Z(t(0)) of customers during a fixed time interval [0, t(0)] in the M/M/c retrial queue, which is shown to have a matrix exponential form. We present a sim[...]![]()
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Shibabaw, Agumas ; Gelaw, Baye ; Kelley, Holden V. ; Tesfaye, Ephrem ; Balada-Llasat, Joan Miquel ; Evans, Carlton A. ; Torrelles, Jordi B. ; Wang, Shu-Hua ; Tessema, Belay | Elsevier | 2019-12-06T21:04:46ZBACKGROUND: Appropriate-technology tests are needed for Mycobacterium tuberculosis drug-susceptibility testing (DST) in resource-constrained settings. We evaluated the MDR/XDRTB colour plate thin-layer agar test (TB-CX) for M. tuberculosis DST [...]![]()
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Ortiz de Zárate Leira, José María ; Luis Hita, Jorge ; Khayet Souhaimi, Mohamed ; Legido, José Luis | Elsevier | 2010-11We measured using the multi-current hot-wire method the thermal conductivity (lambda) of two different clay pastes suitable to be used as peloids The same wire and system was used to measure the lambda of water and the results were compared with[...]![]()
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Measuring the role of manufacturing in the productivity growth of the European economies (1993–2007)
This article focuses on the changes and dynamics followed by manufacturing production in order to quantify the share of manufacturing in the aggregate productivity growth of European economies, as well as the share of each industrial branch in t[...]![]()
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Beltrán González, Freddys ; Infante Castilla, Celia ; Orden Hernández, María Ulagares de la ; Martínez Urreaga, Joaquín | Elsevier | 2019-05-10Mechanical recycling of poly(lactic acid) (PLA) could improve the social, economic and environmental impacts of the use of this bioplastic. However, the degradation of the polymer during its service life and during mechanical reprocessing reduce[...]![]()
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Cunha, Pedro P. ; Martins, António A. ; Stokes, Martin ; Cabral, Joao ; Lopes, Fernando C. ; Pereira, Diamantino ; Vicente Muñoz, Gerardo de ; Buylaert, Jan-Pieter ; Murray, Andrew S. ; Antón López, Loreto | Elsevier | 2019-10In western Iberia, mechanisms that can explain the transition from endorheic to exorheic continental-scale drainage reorganization are foreland basin overspill, headwards erosion and capture by an Atlantic river, or a combination of both. To exp[...]![]()
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González Jiménez, José María ; Piña García, Rubén ; Kerestedjian, Thomas N. ; Gervilla, Fernando ; Borrajo, Iñigo ; Farré de Pablo, Julia ; Proenza, Joaquín ; Tornos, Fernando ; Roqué, Josep ; Nieto, Fernando | Elsevier | 2021-01Porphyry Cu can contain significant concentrations of platinum-group elements (PGE: Os, Ir, Ru, Rh, Pt, Pd). In this study, we provide a comprehensive in situ analysis of noble metals (PGE, Au, Ag) for (Cusingle bondFe)-rich sulfides from the El[...]