Listar Artículos (Física Aplicada I) por título
Mostrando ítems 532-551 de 721
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Ra-226 in waters of an estuarine system formerly affected by direct discharges of wastes from a phosphate fertilizer processing complex
(Springer, 2001)The presence of 226 Ra in an estuary formerly affected by direct discharges of waste from a phosphate fertilizer complex ...
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Radiationless traveling waves in saturable nonlinear Schrödinger lattices
(2006)The long-standing problem of moving discrete solitary waves in nonlinear Schrödinger lattices is revisited. The context ...
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Radioactive impact in sediments from an estuarine system affected by industrial wastes releases
(Elsevier, 2002)A big fertilizer industrial complex and a vast extension of phosphogypsum piles (12 km2), sited in the estuary formed by ...
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Radioactive impact of phosphate ore processing in a wet marshland in southwestern Spain
(Elsevier, 1997)In this paper an extensive study of the presence of natural radionuclides in a marshland area located in the vicinity of ...
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Radioactivity concentration and heavy metal content in fuel oil and oil-ashes in Venezuela
(E. D. P. Sciences, 2005)Environmental radiation levels are modified in regions where the oil industrial activity is more aggressive, such as in ...
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Radioactivity levels in aerosol particles surrounding a large TENORM waste repository after application of preliminary restoration work
(Elsevier Science BV, 2007)In this paper, 238U-series radionuclides have been analysed in particulate matter samples collected at a phosphogypsum ...
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Radioactivity of phosphogypsum in the south-west of Spain
(OXFORD UNIV PRESS, 1998)Phosphogypsum is the by-product of producing phosphoric acid by reacting phosphate rock with sulphuric acid. In the ...
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Radioecological assessment and radiometric dating of sediment cores from dynamic sedimentary systems of Pra and Volta estuaries (Ghana) along the Equatorial Atlantic
(Elsevier, 2017)The Volta and Pra estuaries (Ghana, West Africa) are dynamical sedimentary systems whose natural equilibrium is being ...
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Radiometric dating of recent sediments: beyond the boundary conditions
(Springer, 2012)Most mathematical models for radiometric dating of recent sediments are particular solutions of a unique physical problem: ...
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Radiometric dating of recent sediments: On the performance of 210 Pb based CRS chronologies under varying rates of supply
(Elsevier, 2019)Radiometric dating was a revolutionary contribution to the study of sedimentary processes. Empirical data from varved ...
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Radionuclide activities and metal concentrations in sediments of the Sebou Estuary, NW Morocco, following a flooding event
(Springer, 2013)This study presents metal concentrations (Fe, Mg, Mn, Co, Cu, Zn, Pb, As, Sr and V) and radionuclide activities (40K, ...
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Rapid determination of Pb-210 and Po-210 in water and application to marine samples
(Elsevier Science BV, 2016)Measurement of radionuclides in marine samples, specifically radioactive pairs disequilibrium, has gained interest lately ...
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Ratchet effect in a damped sine-Gordon system with additive and parametric ac driving forces
(2006)We study in detail the damped sine-Gordon equation, driven by two ac forces (one is added as a parametric perturbation and ...
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Capítulo de Libro
Rate Theory of Acceleration of Defect Annealing Driven by Discrete Breathers
(Springer International Publishing, 2015)Novel mechanisms of defect annealing in solids are discussed, which are based on the large amplitude anharmonic lattice ...
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Ray-Tracing and Physical-Optics Model for Planar Mikaelian Lens Antennas
(Institute of Electrical and Electronics Engineers, 2024-01)This article proposes a ray-tracing and physical-optics (RT-PO) model that allows for an accurate and time-efficient ...
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Reaction-diffusion spatial modeling of COVID-19: Greece and Andalusia as case examples
(American Physical Society, 2021-08)We examine the spatial modeling of the outbreak of COVID-19 in two regions: the autonomous community of Andalusia in Spain ...
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Reaction-rate theory with account of the crystal anharmonicity
(American Physical Society, 2011)Reaction rate theory in solids is modified taking into account intrinsic localized modes or discrete breathers (DBs) that ...
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Recent Advances in Understanding the Electron Transport Through Metal-Azurin-Metal Junctions
(Frontiers Media, 2022-07)Azurin proteins are the workhorse of protein electronics. This is a branch of biomolecular electronics, a recent research ...
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Recent developments of the 1 MV AMS facility at the Centro Nacional de Aceleradores
(ScienceDirect, 2016-05)The Centro Nacional de Aceleradores (CNA) hosts a 1 MV accelerator mass spectrometry (AMS) apparatus since September 2005. ...
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Recent evolution of 129-I levels in the Nordic Seas and the North Atlantic Ocean
(Elsevier, 2018)Most of the anthropogenic radionuclide 129I released to the marine environment from the nuclear fuel reprocessing plants ...