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Listar por autor "Bolívar, Juan Pedro"
Mostrando ítems 1-20 de 27
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Artículo
A dosimetric model for determining the effectiveness of soil covers for phosphogypsum waste piles
Mas Balbuena, José Luis; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; Aguado Casas, Juan Luis; Gutiérrez San Miguel, Enrique; González Labajo, Jesús (Lippincott, 2001)Phosphogypsum (PG) is a by-product of the phosphoric acid production process that contains high concentrations of U-series ...
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Artículo
A method for the determination of counting efficiencies in gamma-spectrometric measurements with HPGe detectors
Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; García León, Manuel (Elsevier, 1996)In this paper a general method for y-ray efficiency calibration is presented. The method takes into account the differences of ...
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Artículo
A review of the production cycle of titanium dioxide pigment
Gázquez, M.J.; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; Vaca, F. (2014-05)Titanium is a very important element for several industrial applications, being one of the ninth most ...
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Artículo
A semi-empirical approach for determination of low-energy gamma-emmiters in sediment samples with coaxial Ge-detectors
Gutiérrez de San Miguel Herrera, Enrique; Pérez Moreno, J. P.; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael (Elsevier, 2004)A simple method for the determination in sediment samples of low-energy gamma-emitters with coaxial Ge detectors and using ...
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Artículo
A short-time method to measure the radon potential of porous materials
López Coto, I.; Mas Balbuena, José Luis; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael (Elsevier, 2009)The radiological risk associated with the use of solid materials has been traditionally established according to their ...
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Artículo
A simple method for efficiency calibration of HPGe detectors in gamma-spectrometric measurements
Pérez Moreno, J. P.; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; Gutiérrez San Miguel, Enrique; Aguado Casas, Juan Luis; Mas Balbuena, José Luis; Vaca Galán, Federico (Elsevier, 2001)In this paper a simple, rapid and general method for g-ray efficiency calibration of Ge detectors for environmental samples ...
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Artículo
Caracterización físico-química y radiactiva de los sub-productos provenientes de la industria de dióxido de titanio para su valorización en la industria del cemento: implicaciones radiológicas
Gázquez González, Manuel Jesús; Mantero, Juan; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; Vaca, Francisco (Sepr, 2011)El presente trabajo tiene como objetivo la caracterización físico-química y radiactiva, de las materias primas (ilmenita ...
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Ponencia
Characterization and valorisation of norm wastes: application to the tio2 production industry
Gázquez, M.J.; Mantero, Juan; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; Galán Galán, Fernando (2009-11)The present study was focused to characterize the raw materials, wastes and several co-products ...
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Ponencia
Characterization of Pporous materials as radon source and its radiological implications
López Coto, I.; Bolívar, Juan Pedro; Más, J. L.; García-Tenorio García-Balmaseda, Rafael (AIP Publishing, 2008)In this work, a magnitude is proposed in order to compare the potential radiological risk due to radon exposition ...
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Libro
Estudio y evaluación del impacto radiológico producido por las actividades de diversas industrias no nucleares del sur de España: industrias de ácido fosfórico
García-Tenorio García-Balmaseda, Rafael; Manjón, Guille; Abril, J. M.; Hurtado, Santiago; Más, J. L.; Villa, María; Mantero, Juan; Bolívar, Juan Pedro; Vaca, F.; Gutiérrez San Miguel, Enrique; Aguado, J. L.; Pérez, Juan Pedro; Gázquez, Manuel (Consejo de Seguridad Nuclear, 2010) -
Libro
Estudio y evaluación del impacto radiológico producido por las actividades de diversas industrias no nucleares del sur de España: industrias de dióxido de titanio
García-Tenorio García-Balmaseda, Rafael; Manjón, Guillermo; Abril, J. M.; Hurtado, Santiago; Villa, María; Mantero, Juan; Bolívar, Juan Pedro; Vaca, F.; Gutiérrez San Miguel, Enrique; Aguado, J. L.; Más, J. L.; Gázquez, Manuel (Consejo de Seguridad Nuclear, 2010) -
Artículo
Evaluación radiológica del apilamiento de fosfoyesos de las marismas del río Tinto (Huelva)
Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; Matarranz, José Luis (Consejo de Seguridad Nuclear, 2008)El complejo químico de Huelva alberga el mayor conjunto de producción de ácido fosfóricode Europa. La producción de este ...
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Ponencia
Evolución de los esquemas conceptuales de dinámica en adolescentes formales y concretos
Acevedo, José Antonio; Sánchez-Laulhé, Ernesto; Trujillo, Manuel; Bolívar, Juan Pedro (Universidad de Sevilla, Servicio de publicaciones: Universidad de Sevilla, Departamento de didáctica de las Ciencias, 1987)Hemos estudiado, con adolescentes de 15 a 18 años, las correlaciones entre las frecuencias de errores conceptuales en las ...
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Ponencia
External occupational exposures in some NORM industries located at the south-west of Spain
Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael (2008-09)Detailed mappings of the external exposures which can be received by the workers in two NORM industrial ...
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Artículo
Fractionation and fluxes of metals and radionuclides during the recycling process of phosphogypsum wastes applied to mineral CO2 sequestration
Contreras, Manuel; Pérez López, R.; Gázquez González, Manuel Jesús; Morales Flórez, Víctor; Santos, Alberto; Esquivias Fedriani, Luis María; Bolívar, Juan Pedro (Elsevier, 2015)The industry of phosphoric acid produces a calcium-rich by-product known as phosphogypsum, which is usually stored in large ...
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Artículo
From floodplain to aquatic sediments: Radiogeochronological fingerprints in a sediment core from the mining impacted Sancho Reservoir (SW Spain)
Abril Hernández, José María; Gutiérrez San Miguel, Enrique; Ruiz Cánovas, Carlos; Casas Ruiz, M.; Bolívar, Juan Pedro (Elsevier, 2018)The Sancho Reservoir (SW Spain) was built in 1962, about the time of maximum 137Cs fallout, and it has been affected by ...
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Ponencia
Natural occurring radionuclide waste in Spain: the Huelva phosphogypsum stacks case
Gázquez, M.J.; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael; Galán Galán, Fernando (2009-11)In this paper, the historical evolution in the management of the wastes generated by one ...
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Artículo
Natural radioactivity in aerosols collected in a NORM industry: radiological implications
Gutiérrez San Miguel, Enrique; Bolívar, Juan Pedro; García-Tenorio García-Balmaseda, Rafael (EDP Sciences, 2010)On the frame of a broad project devoted to the evaluation of the occupational and environmentalradiological impact of ...
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Ponencia
Occupational exposures and distribution of natural radionuclides in phosphoric acid production by the wet process (Spain)
Bolívar, Juan Pedro; Pérez Moreno, J. P.; Martín, J. E.; Más, J. L.; García-Tenorio García-Balmaseda, Rafael (2005-10)The industries devoted to the production of phosphoric acid use as a raw material large amount of phosphate ...
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Capítulo de Libro
Occupational, public and environmental radiological impact caused by the phosphoric acid industry: the case of Huelva (Spain)
Guerrero Márquez, José Luís; Mosqueda Peña, Fernando; Mantero, Juan; Manjón, Guillermo; García-Tenorio García-Balmaseda, Rafael; Bolívar, Juan Pedro (Intech, 2017)The production of phosphate fertilizers usually uses as raw material sedimentary phosphate rock, which contains enhanced ...