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González Montes, Mario ; Martínez Antón, Juan Carlos ; Vázquez Moliní, Daniel ; Álvarez Fernández Balbuena, Antonio ; Bernabeu Martínez, Eusebio | Hindawi Publishing Corporation | 2014This work is aimed to design and evaluate different achromatic Fresnel lens solutions capable of operating as concentrators aimed at photovoltaic cells systems. Throughout this study, the theoretical parametric design of the achromatic lens will[...]texto impreso
Brito, Julio ; Siques, Patricia ; Arribas, Silvia M. ; Lopez de Pablo, Angel L. ; Gonzalez, M. Carmen ; Naveas, Nelson ; Arriaza, Karem ; Flores, Karen ; Leon-Velarde, Fabiola ; Pulido, Ruth ; Ordenes, Stefany ; Lopez, M. Rosario | Hindawi Publishing Corporation | 2019-02-06T14:52:14ZLong-term chronic intermittent exposure to altitude hypoxia is a labor phenomenon requiring further research. Using a rat model, we examined whether this type of exposure differed from chronic exposure in terms of pulmonary artery remodeling and[...]texto impreso
Sánchez-Hernández, Ruth ; Padilla, Isabel ; López Andrés, Sol ; López Delgado, Aurora | Hindawi Publishing Corporation | 2018This work evaluates the use of a synthetic NaP1 zeolite obtained from a hazardous Al-containing waste for the removal of ammonium (NH4+) from aqueous solutions by batch experiments. Experimental parameters, such as pH (6–8), contact time (1–360?[...]texto impreso
Kühnel, Wolfgang ; Pfender, Michael ; Meseguer Guaita, José ; Sols, Ignacio | Hindawi Publishing Corporation | 1982In the present paper we want to give a common structure theory of left action, group operations, R-modules and automata of different types defined over various kinds of carrier objects: sets, graphs, presheaves, sheaves, topological spaces (in p[...]texto impreso
Two-dimensional continuous-time Markov chains (CTMCs) are useful tools for studying stochastic models such as queueing, inventory, and production systems. Of particular interest in this paper is the distribution of the maximal level visited in a[...]texto impreso
Mayta-Tovalino, Frank ; Mendoza-Martiarena, Yens ; Romero-Tapia, Percy ; Alvarez-Paucar, Maria ; Galvez-Calla, Luis ; Calderon-Sanchez, Juan ; Bolanos-Cardenas, Rodolfo ; Diaz-Sarabia, Antonio | Hindawi Publishing Corporation | 2019-08-08T15:23:46ZAim: To analyze the risk factors by logistic regression and perform the analysis of the survival rate of osseointegrated dental implants placed in public and private institutions. Methods: An analytic-multicentric study was carried out, where 1[...]texto impreso
Martín Forés, Irene ; Martín-López, Berta ; Montes del Olmo, Carlos | Hindawi Publishing Corporation | 2013National and international reports developed for the International Year of Biodiversity concluded that we have failed to meet the 2010 biodiversity target. There is an urgent need to analyze current policies for biodiversity conservation. We exa[...]texto impreso
Menshawy, Ahmed M S ; Pérez Sancho, Marta ; García Seco, Teresa ; Hosein, Hosein I ; García Benzaquén, Nerea ; Martínez Alares, Irene ; Sayour, Ashraf E ; Goyache Goñi, Joaquín ; Azzam, Ragab A A ; Domínguez Rodríguez, Lucas ; Álvarez Sánchez, Julio | Hindawi Publishing Corporation | 2014Brucellosis is endemic in most parts of Egypt, where it is caused mainly by Brucella melitensis biovar 3, and affects cattle and small ruminants in spite of ongoing efforts devoted to its control. Knowledge of the predominant Brucella species/st[...]texto impreso
Carrasco Pro, Sebastian ; Sidney, John ; Paul, Sinu ; Lindestam Arlehamn, Cecilia ; Weiskopf, Daniela ; Peters, Bjoern ; Sette, Alessandro | Hindawi Publishing Corporation | 2019-02-06T14:52:40ZAccurate measurement of B and T cell responses is a valuable tool to study autoimmunity, allergies, immunity to pathogens, and host-pathogen interactions and assist in the design and evaluation of T cell vaccines and immunotherapies. In this con[...]texto impreso
Pérez de Diego, Ana Cristina ; Sánchez Cordón, Pedro José ; Heras, Ana Isabel de las ; Sánchez-Vizcaíno, José Manuel | Hindawi Publishing Corporation | 2012The protective immune response generated by a commercial monovalent inactivated vaccine against bluetongue virus serotype 1 (BTV1) was studied. Five sheep were vaccinated, boost-vaccinated, and then challenged against BTV1 ALG/2006. RT-PCR did n[...]texto impreso
We show some examples of compact symplectic solvmanifolds, of dimension greater than four, which are cohomologically Kähler and do not admit Kähler metric since their fundamental groups cannot be the fundamental group of any compact Kähler manif[...]texto impreso
Lizarbe, María Antonia ; Calle Espinosa, Jorge ; Fernández Lizarbe, Eva ; Fernández Lizarbe, Sara ; Robles, Miguel Ángel ; Olmo López, Nieves ; Turnay, Javier | Hindawi Publishing Corporation | 2017Colorectal cancer is the third most common form of cancer in developed countries and, despite the improvements achieved in its treatment options, remains as one of the main causes of cancer-related death. In this review, we first focus on colore[...]texto impreso
Cacho, Isabel ; Sánchez Naves, Juan ; Batres Valderas, Laura ; Carracedo Rodríguez, Juan Gonzalo ; Pintor Just, Jesús | Hindawi Publishing Corporation | 2015Purpose. To compare the intraocular pressure (IOP) before and after Laser In Situ Keratomileusis (LASIK), measured by Diaton, Perkins, and noncontact air pulse tonometers. Methods. Fifty-seven patients with a mean age of 34.88 were scheduled for[...]texto impreso
Carracedo Rodríguez, Juan Gonzalo ; Carpena Torres, Carlos ; Batres Valderas, Laura ; Serramito Blanco, María ; González Bergaz, Anahí | Hindawi Publishing Corporation | 2020-01-03Purpose. To evaluate the agreement and repeatability between a new commercially available binocular open-field wavefront autorefractor, as part of the Eye Refract system, and a monocular closed-field wavefront autorefractor (VX110). Methods. A c[...]texto impreso
Sáenz Francés, Federico ; Jañez Escalada, Luis ; Berrozpe Villabona, Clara ; Borrego Sanz, Lara ; Morales Fernández, Laura ; Acebal Montero, Alejandra ; Méndez Hernández, Carmen D. ; Martínez de la Casa, Jose Maria ; Santos Bueso, Enrique ; García Sánchez, Julián ; García Feijoo, Julián | Hindawi Publishing Corporation | 2015Purpose. To study whether a corneal thickness segmentation model, consisting in a central circular zone of 1?mm radius centered at the corneal apex (zone I) and five concentric rings of 1?mm width (moving outwards: zones II to VI), could boost t[...]