Cristina PrietoUniversidad de Salamanca · Department of Fundamental Physics
Cristina Prieto
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12
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Introduction
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Publications
Publications (12)
A centrifugation system is proposed for recovering soil solution extracts from disturbed natural soils. The water retention curve (WRC), which is related to the hydraulic properties of soil, was determined as a way to define the range of suctions applied for the purpose of soil water extraction. The design of the centrifugation device, the analysis...
En esta publicación se recogen las propuestas que cada semana los autores han elaborado de cara a la preparación de la fase local de la olimpiada de Física: un Reto de Física o un Problema Desafío. En los Retos se plantean cuestiones relacionadas con la vida cotidiana, con apariencia sencilla y que no requieren demasiado tiempo ni recursos para su...
RESUMEN
En este trabajo se exponen de forma breve las líneas de trabajo que se siguen en las asignaturas de Didáctica, Innovación y Evaluación dentro de la especialidad de Física y Química del Master Universitario en Profesor de Enseñanza Secundaria Obligatoria y Bachillerato, Formación Profesional y Enseñanza de Idiomas (MUPES) de la Universidad d...
In order to clarify some of the assumptions and approximations about the use of the distribution coefficient Kd for 226Ra in soils, a systematic study has been performed using centrifugation to extract the soil solution. The separated fractions of the soil solution have different kinetics with respect to the sorption process in the soil, which may...
En este proyecto se han elaborado una colección de ejercicios para preparación de la fase local de la Olimpiada de Física utilizando las redes sociales (“Facebook”[1], “Twiter”[2]) y blogs (“Diarium”[3]) como elemento de difusión. Semanalmente se propone un reto de Física o un Problema de desafío. En los retos se plantean cuestiones relacionadas co...
En el planteamiento de este Proyecto de Innovación y Mejora Docente subyace la preocupación que comparte el equipo de trabajo por tratar de motivar a todos aquellos estudiantes que no habiendo superado la asignatura en la primera y segunda convocatoria, se matriculan en años sucesivos. Esto conlleva que en muchas ocasiones no asistan a clase, gener...
This work proposes a series of activities aiming at uniting two methodological objectives; achieving a competency-based learning that enhances autonomy and participation of students and promoting cooperative work approaches that encourage social abilities and solidarity. This work proposes a series of experiments and practical demonstrations in com...
Los dispositivos móviles están equipados con numerosos sensores (presión, temperatura, aceleración, giróscopo, campo magnético…) que junto con las aplicaciones adecuadas los convierten en instrumentos de medida de magnitudes físicas en cualquier momento y situación [1,2]. Así se abre para el profesor un amplio campo a las demostraciones y experienc...
In this communication we show how different innovative teaching practices have been implemented in lab matters. In order to make the most of lab work we have adopted different pedagogical approaches which combine traditional and innovative activities and resources. Pre-lab activities (seminars, simulations, self assessment tasks, videos) have being...
A systematic study was made of the effects of three soil amendments on the solubilization of uranium from a granitic soil. The aim was to optimize solubilization so as to enhance bioavailability for the purposes of remediation. The three amendments tested were with citrate, EDTA, and EDDS as chelating agents. The effects of pH, chelator concentrati...
In the present work, different strategies for the utilization of an organic beekeeping waste called slumgum were analysed. Slumgum appears in the beeswax-rendering process. A physico-chemical characterization was carried out and the hypothesis that slumgum could be used as nutrient source and growth substrate constituent for seedling production was...
A procedure for the determination of (210)Pb, and alpha-emitting radioisotopes of uranium, thorium, and radium from the same aliquot of a sample has been proposed. The key step consisted in the recovery of Pb(II) and Ra by precipitation of insoluble Pb(NO(3))(2), the uranium and thorium radioisotopes remaining in solution. Afterwards, the fractions...
