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Now showing items 881-890 of 896
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Rhenium measurements on North Atlantic seaweed samples by ID-ICP-MS: An observation on the Re concentration factors
(Springer, 2005)
The estimation of the Re concentration factor (CF) has been carried out to provide additional field information on the biochemical similarities between Re and Tc. Re concentration in brown seaweed samples from the North ...
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Impact of Saharan dust events on radionuclide levels in Monaco air and in the water column of the northwest Mediterranean Sea
(ELSEVIER SCI LTD, 2017)
Characterization of atmospheric aerosols collected in Monaco (2004–2008) and in sediment traps at 200 m and 1000 m water depths at the DYFAMED (Dynamics of Atmospheric Fluxes in the Mediterranean Sea) station (2004) was ...
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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 due to their ability to trace cutting edge biogeochemical processes. In this context, we developed ...
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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, 137Cs, 210Pb, 226Ra, 228Ac, 234Th and 212Pb) in surface deposits and a sediment core from the Sebou ...
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Studying radon exhalation rates variability from phosphogypsum piles in the SW of Spain
(ELSEVIER SCIENCE BV, 2014)
Nearly 1.0×108 tonnes of phosphogypsum were accumulated during last 50 years on a 1200ha disposal site near Huelva town (SW of Spain). Previous measurements of exhalation rates offered very variable values, in such a way ...
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Quodon Current in Tungsten and Consequences for Tokamak Fusion Reactors
(WILEY-V C H VERLAG GMBH, 2024)
Tokamak fusion reactors produce energetic He ions that penetrate surfaces less than 20 μm and neutrons that spread throughout the reactor. Experiments with similar swift He ions in heavy metals show that the vibronic ...
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Tc-99 detection in water samples by ICP-MS
(Walter de Gruyter GmbH, 2004)
In this work three radiochemical procedures are presented for the determination of 99Tc in aqueous environmental samples by ICP-MS. Technetium is pre-concentrated from a dilute solution by a reduction-precipitation process ...
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QUAM-AFM: a free database for molecular identification by atomic force microscopy
(American Chemical Society, 2022-03)
This paper introduces Quasar Science Resources–Autonomous University of Madrid atomic force microscopy image data set (QUAM-AFM), the largest data set of simulated atomic force microscopy (AFM) images generated from a ...
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Phenomenological model for long-wavelength optical modes in transition metal dichalcogenide monolayer
(American Physical Society, 2021-06)
Transition metal dichalcogenides (TMDs) are an exciting family of 2D materials; a member of this family, MoS₂, became the first studied monolayer semiconductor. In this paper, a generalized phenomenological continuum ...
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On the proximity between the wave dynamics of the integrable focusing nonlinear Schrödinger equation and its non-integrable generalizations
(Elsevier, 2024-07)
The question of whether features and behaviors that are characteristic to completely integrable systems persist in the transition to non-integrable settings is a central one in the field of nonlinear dispersive equations. ...