Cp2TiCl/D2O/Mn, a formidable reagent for the deuteration of organic compounds

Cp2TiCl/D2O/Mn is an efficient combination, sustainable and cheap reagent that mediates the D-atom transfer from D2O to different functional groups and can contribute to the synthesis of new deuterated organic compounds under friendly experimental conditions and with great economic advantages.The Spanish MICINN (Project CTQ2015-70724-R)University of Sevill

Cp2TiCl/D2O/Mn, a formidable reagent for the deuteration of organic compounds

Cp2TiCl/D2O/Mn is an efficient combination, sustainable and cheap reagent that mediates the D-atom transfer from D2O to different functional groups and can contribute to the synthesis of new deuterated organic compounds under friendly experimental conditions and with great economic advantages.The Spanish MICINN (Project CTQ2015-70724-R)University of Sevill

Machine learning assists the classification of reports by citizens on disease-carrying mosquitoes

Mosquito Alert (www.mosquitoalert.com/en) is an expert-validated citizen science platform for tracking and controlling disease-carrying mosquitoes. Citizens download a free app and use their phones to send reports of presumed sightings of two world-wide disease vector mosquito species (the Asian Tiger and the Yellow Fever mosquito). These reports are then supervised by a team of entomologists and, once validated, added to a database. As the platform prepares to scale to much larger geographical areas and user bases, the expert validation by entomologists becomes the main bottleneck. In this paper we describe the use of machine learning on the citizen reports to automatically validate a fraction of them, therefore allowing the entomologists either to deal with larger report streams or to concentrate on those that are more strategic, such as reports from new areas (so that early warning protocols are activated) or from areas with high epidemiological risks (so that control actions to reduce mosquito populations are activated). The current prototype flags a third of the reports as “almost certainly positive” with high confidence. It is currently being integrated into the main workflow of the Mosquito Alert platform.Postprint (published version

Electrorotation of semiconducting microspheres

We study experimentally the electrorotation (ROT) of semiconducting microspheres. ZnO microspheres obtained by a hydrothermal synthesis method are dispersed in KCl aqueous solutions and subjected to rotating electric fields. Two ROT peaks are found in experiments: a counterfield peak and a cofield peak at somewhat higher frequencies. These observations are in accordance with recent theoretical predictions for semiconducting spheres. The counterfield rotation is originated by the charging of the electrical double layer at the particle-electrolyte interface, while the cofield rotation is due to the Maxwell-Wagner relaxation. Additionally, we also found that some microspheres in the sample behaved differently and only showed counterfield rotation. We show that the behavior of these particles can be described by the so-called shell model. The microstructure of the microspheres is analyzed with electron microscope techniques and related to the ROT measurements.Spanish Government Ministry MICINN under Contract No. PGC2018-099217-B-I00Junta de Andalucía Contract No. PEJUS-

Tipificación, caracterización y análisis-descomposición cromático de barnices incoloros, aplicados a maderas de construcción

Analizar las prestaciones de una serie de barnices, supuestamente incoloros y aplicados sobre una serie de maderas: roble, lauán blanco y tablero mdf, y utilizando técnicas de descomposición cromática, mediante el empleo de microscopio óptico de reflexión, para poder obtener un abanico gráfico de histogramas con valores numéricos de luminosidad y composición cromática, y de esta forma comprobar que los supuestos barnices que se venden como incoloros, no son totalmente incoloros sino que muestran tendencias a virar hacia alguno de los colores básicos. Paralelamente a la caracterización cualitativa de cada uno de los barnices, sobre cada especie de madera, se ensayan procedimientos que podrían usarse en el ejercicio profesional, en nivel intermedio entre el absoluto rigor científico y la opinión individual. De modo que, mientras se busca en la composición del barniz la explicación a cada comportamiento, y se evalúa su idoneidad para una madera determinada, se está ponderando también la fiabilidad, la utilidad y la rapidez, del procedimiento empleado

Datos meteorológicos a través de los radares MODE-S

Presentación realizada en el Foro de Usuarios Aeronáuticos, celebrado el 18 de noviembre de 2015 en los Servicios Centrales de AEMET en Madri

CYCLIC: A Locality-Preserving Load-Balancing Algorithm for PDES on Shared Memory Multiprocessors

This paper presents a new load-balancing algorithm for shared memory multiprocessors that is currently being applied to the parallel simulation of logic circuits, specifically VHDL simulations. The main idea of this load-balancing algorithm is based on the exploitation of the usual characteristics of these simulations, that is, cyclicity and predictability, to obtain a good load balance while preserving the locality of references. This algorithm is useful not only in the area of logic circuit simulation but also in systems presenting a cyclic execution pattern, that is, repetition over time, making the future behavior of the tasks predictable. An example of this is Parallel Discrete Event Simulation (PDES), where several tasks are repeatedly executed in response to certain events. A comparison between the proposed algorithm and other load-balancing algorithms found in the literature reveals consistently better execution times with improvements in both load-balancing and locality of references that can be of help on current multicore desktop computers

El Derecho canónico como derecho estatutario en el Ordenamiento jurídico español.

Material incluido en el volumen especial de la revista del Instituto Martín de Azpilcueta, Universidad de Navarra : Ius Canonicum (1999), en honor de Javier Hervada

Retrospective and Prospective Analysis on Educational Leadership: Indicators of Productivity, Dispersion, and Content

This article analyzes the production, performance, impact, and content of scientific documents contained in an internationally recognized database, the Web of Science, that consider educational leadership (EL) thesaurus (title, abstract and/or keywords). To this end, a scientometric study was performed on a sample of 2,181 research documents that met the established inclusion criteria. A co-word analysis was also performed using Hirsch’s index (2005), as well as several bibliometric indicators, impact factors, and citation indices (h, g, hg, and q2). The main findings indicate that production on the topic of EL dates back to 1924, although it did not reach a significant level until 2004. Several important points related to the production profile on EL are highlighted: language, area of knowledge and institutions, and authors specializing in the subject. There are several lines of study open in the established periods, and the subjects that should be taken into account in the future are “critical-race-theory,” “identity,” and “distributedleadership.” The implications and limitations of the study are discussed and ways for education leaders to address new education policies and their practical implications are provided.Ministry of Universities of the Government of SpainEuropean Commissio

Cómo han transitado las personas mayores por la crisis económica, medida a través del riesgo de pobreza o exclusión social

La crisis económica no ha golpeado por igual a todos los estratos de la población ni a todos los grupos de edad. Aparentemente las personas mayores han evitado lo peor de la crisis, pero esa imagen encierra un espejismo, pues es la pauperización del resto de los grupos de edad la causa de su mejoría relativa. Es posible que un cambio de tendencia en la evolución económica descubra que sus condiciones económicas y materiales de vida no son tan buenas. Utilización de la Encuesta de Condiciones de Vida del INEProyecto Intramural CSIC 201310E044 "Mantenimiento de la plataforma Envejecimiento en Red"Peer reviewe