Buscar
Mostrando ítems 1-10 de 61
Artículo
Natural radioactivity and element characterization in pit lakes in Northern Sweden
(Plos, 2022)
Northern Sweden has been the object of intense metal mining in the last decades producing several water-filled open-pits, or pit lakes. Most of these pit lakes have been limed to maintain a good water quality and to prevent ...
Artículo
The enhanced naturally occurring radioactivity of negative ion clothing and attendant risk
(MDPI, 2021-06-10)
The study investigates commercially available negative ion clothing, and evaluations are made using gamma-ray spectroscopy and Geant4 Monte Carlo simulations. Observed to contain naturally occurring radioactive material ...
Artículo
Ruling out real-valued standard formalism of quantum theory
(American Physical Society, 2022)
Artículo
Exploring the acoustics of ancient open-air theatres
(De Gruyter Open, 2020)
The theatres of Antiquity, Greek and Roman, constitute public buildings of the utmost importance inthe history of Western culture and in universal cultural heritage. Many of these spaces are being used fortheir original ...
Ponencia
Sound perception in 3d virtual environments: Application to a Roman theatre of Hispania
(Springer, 2021)
The aim of this work is to present the methodology implemented for the assessment of the human perception of sound and of the degree of acoustic comfort of occupants in an ancient Roman theatre. The evaluation is carried ...
Ponencia
Measurement of activity concentration of polonium-210 in species of the phylum Mollusca, Tabasco, Mexico
(AIP Publishing, 2021-04)
The activity concentration of polonium-210 in the soft tissue of several species of mollusks of coastal areas from Tabasco, Mexico, has been determined. Polonium-210 is a natural radionuclide that may be bioaccumulated by ...
Artículo
Parametric analysis of the edge capacitance of uniform slots and application to frequency-variation permittivity sensors
(MDPI, 2021-07-29)
This paper presents a parametric analysis relative to the effects of the dielectric constant of the substrate, substrate thickness and slot width on the edge capacitance of a slot-based resonator. The interest is to find ...
Artículo
226Ra, 210Po and lead isotopes in a pit lake water profile in Sweden
(Elsevier, 2020-11)
A pit lake arises as a consequence of anthropogenic activities in opencast mining areas. These water bodies may be enriched in hazardous stable contaminants and/or in naturally occurring radionuclides depending on the ...
Artículo
Research facilities and highlights at the Centro Nacional de Aceleradores (CNA)
(Springer, 2021)
The Centro Nacional de Aceleradores is a user-oriented accelerator facility in Seville, Spain. Its main facilities are a 3 MV tandem accelerator, an 18 MeV proton Cyclotron, a tandetron used for AMS, a compact accelerator ...
Artículo
Motivation and feelings of competence among university students in introductory physics
(Springer, 2022)
This work analyzes whether there is a cognitive bias between the ideal perception of the skills and the real performance in an introductory physics class, and additionally, whether predictions of students’ performance are ...