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Mostrando ítems 41-50 de 88
Artículo
A fitting algorithm based on simulated annealing techniques for efficiency calibration of HPGe detectors using different mathematical functions
(Elsevier, 2008)
In this work several mathematical functions are compared in order to perform the full-energy peak efficiency calibration of HPGe detectors using a 126 cm3 HPGe coaxial detector and gamma-ray energies ranging from 36 to ...
Artículo
Magnetofluidization of fine magnetite powder
(American Physical Society, 2009)
The behavior of a fluidized bed of fine magnetite particles as affected by a cross-flow magnetic field is investigated. A distinct feature of this naturally cohesive powder, as compared to noncohesive magnetic grains usually ...
Artículo
Determination of U isotopic ratios in environmental samples by ICP-MS
(2000)
Inductively coupled plasma mass spectrometry (ICP-MS) has been used for the determination of trace elements in a variety of materials. For uranium, the concentration of 238U can be measured with a detection limit of ...
Ponencia
Occupational exposures and distribution of natural radionuclides in phosphoric acid production by the wet process (Spain)
(2005-10)
The industries devoted to the production of phosphoric acid use as a raw material large amount of phosphate rock (PR), which– depending on its geological origin –could be enriched in natural ...
Artículo
Radionuclides in the environment in the south of Spain, anthropogenic enhancements due to industry
(Sociedad Mexicana de Física, 2007-02)
Levels of natural radionuclides in the environment are affected by human activities in the South of Spain. Industry wastes, such as phosphogypsum, have been released to an estuary since sixties until 1997. Nowadays the ...
Artículo
Ponencia
Measured acoustic parameters versus predicted ones in two mudejar-gothic churches
(S. Hirzel, 2002)
In this work we have undertaken an acoustic simulation of the sound field in two churches in the historical centre of the city of Seville. The simulation has been carried out through the ...
Ponencia
Daño pulmonar por inhalación de los gases generados mediante descarga eléctrica corona en Sf6. Estudio toxicológico en el ratón (Mus musculus)
(Sociedad Española de Sanidad Ambiental, 2007)
Artículo
Stochastic Analysis of Time Series of Temperatures in the South-West of the Iberian Peninsula
(Universidad Nacional Autónoma de México, 2004)
Se han elaborado los modelos autorregresivos integrados de media móvil (ARIMA) para las series mensuales de larga duración, de temperaturas máximas y mínimas, de los observatorios del suroeste español. Se han transformado ...