trace element
Evaluating trace element bioavailability and potential transfer into marine food chains using immobilised diatom model species Phaeodactylum tricornutum, on King George Island, Antarctica
... Although trace element levels were not gen- erally signi ficantly different (p ≥ ...The trace element accumulation pattern in this study reproduced the sedi- ment element content pattern ...
9
Study of metal and trace element mobilization in aquatic environments of Brazilian semi-arid zones applying principal component analysis.
... STUDY OF METAL AND TRACE ELEMENT MOBILIZATION IN AQUATIC ENVIRONMENTS OF BRAZILIAN SEMI-ARID ZONES APPLYING PRINCIPAL COMPONENT ANALYSIS. The spatial and temporal retention of metals has been studied in ...
5
REPOSITORIO INSTITUCIONAL DA UFOP: Assessing the isotopic evolution of S-type granites of the Carlos Chagas Batholith, SE Brazil : clues from U–Pb, Hf isotopes, Ti geothermometry and trace element composition of zircon.
... and trace element com- position of zircon crystals from the Carlos Chagas Batholith (CCB), a N 200 km-scale, S-type granite batholith that was emplaced during the collisional stage of the Araçuaí orogen in ...
21
Spatial and seasonal variability of trace-element concentrations in sediments from the Santos-Cubatão estuarine system, São Paulo, Brazil.
... SPATIAL AND SEASONAL VARIABILITY OF TRACE-ELEMENT CONCENTRATIONS IN SEDIMENTS FROM THE SANTOS- CUBATÃO ESTUARINE SYSTEM, SÃO PAULO, BRAZIL. Multi-element analyses of sediment samples from the ...
8
A nonlinear multi-proxy model based on manifold learning to reconstruct water temperature from high resolution trace element profiles in biogenic carbonates
... Several studies reveal that trace element profiles in shells may vary significantly between successive years (Barats et al., 2009) and between different study sites (Gillikin et al., 2006a). Our study as ...
15
Grape must mineralization by high pressure microwave digestion for trace element analysis: development of a procedure
... of sample, was selected for further studies. In comparison with experimental conditions described in literature for the mineralization of grape must and wine by HPMW, the proposed procedure requires very low reagent ...
7
Evaluating trace element contamination in mariculture activities: partial results of a case study carried out in the coastal region of Santa Catarina, Brazil.
... EVALUATING TRACE ELEMENT CONTAMINATION IN MARICULTURE ACTIVITIES. PARTIAL RESULTS OF A CASE STUDY CARRIED OUT IN THE COASTAL REGION OF SANTA CATARINA, BRAZIL. Adopting the perspective of human health risk ...
9
Organic matter mineralization and trace element post-depositional redistribution in Western Siberia thermokarst lake sediments
... is likely stimulated by humic matter (Jones et al., 2000; Thamdrup, 2000). Such humic compounds are likely abun- dant in the porewater as originated from the lixiviation of the lakes’ border peat. Accordingly, Pokrovsky ...
18
Survey of trace element and dietetic fiber composition of “Leblebi” which is a local snack food consumed in Turkey
... In Turkey and several Middle East countries’ people consume “leblebi” which is a traditional snack food made from chickpeas (Cicer arietinum L.). Chickpea products are highly nutritive and a cheap food for human ...
5
Tectônica, Petrogênese e Recursos Minerais DISSERTAÇÃO DE MESTRADO GEOCHEMICAL AND PETROLOGICAL CONSTRAINTS ON THE ORIGIN OF THE NEOPROTEROZOIC URUCUM IRON FORMATION, SANTA CRUZ DEPOSIT, BRAZIL
... The precursor ferrihydrite particles were possibly precipitated and accumulated in a shallow water environment, below the storm wave base, because of the lack of sedimentary structures (e.g. Fralick & Pufahl 2006, ...
178
Braz. J. Phys. vol.35 número3B
... Trace element concentrations in water from S˜ao Francisco River using Particle Induced X-ray Emission (PIXE) and Synchroton Total Reflection X-ray Fluorescence (STXRF) techniques are ...the trace ...
4
Review of Survey activities 2010: Differentiation of Palaeogene sand by glauconitic and geochemical fingerprinting, Siri Canyon, Danish North Sea
... The samples of the cuttings collected from the horizontal wells are interpreted as Kolga Member on the basis of trace element concentrations, REE spectra, glauconite composi- tions and siderite contents. ...
4
Braz. J. Phys. vol.35 número3B
... of trace metallic element as well as macronutrients were measured in water and plants from pond ...its trace metals removal potential in river water under laboratory ...the trace ...
3
Localized rejuvenation of a crystal mush recorded in zircon temporal and compositional variation at the Lassen Volcanic Center, northern California.
... In the LVC, most zircon fall within a restricted range of trace element abundances and ratios (Figures 5–8), which can be used to define the baseline conditions of the crystal mush: 0.25–0.4 Eu/Eu*, ...
22
Caracterização petrográfica, isotópica e geoquímica das rochas da Serra Calalaste, Puna Austral, noroeste argentino
... Crustal Evolution along the Early Ordovician Proto-Andean Margin of Gondwana: Trace Element and Isotope Evidence from he Complejo Igneo Pocitos Northwestern Argentina.. Pre-Andean and An[r] ...
25
Braz. J. Geol. vol.46 número1
... Manuscript ID: 20150035. Received in: 09/29/2015. Approved in: 01/13/2016. ABSTRACT: An ice core, 92.26 m in length, was collected near the ice divide of the West Antarctica ice sheet during the 2008/2009 austral summer. ...
12
THE EXPLORATION OF THE ANTIBACTERIAL MECHANISM OF FE
... essential trace element and has important functions in the metabolic processes of aerobic organisms, such as photosynthesis, respiration, oxygen transport, gene regulation and DNA biosynthesis (1, ...
5
J. Braz. Chem. Soc. vol.19 número5
... Trace element distribution patterns were determined in crude oils from onshore biodegraded reservoirs along a secondary migration trend (Potiguar Basin, ...22 trace elements by ...
9
Global change effects on seagrass ecosystem
... with trace elements were also available for uptake, the upper 5 cm of the sediments were sampled where the root/rhizome matte system of both ...Secondly trace metals that are easily available for uptake are ...
164
São FranciscoeCongo Craton break-up delimited by UePbeHf isotopes and trace-elements of zircon from metasediments of the Araçuaí Belt
... zircon trace element data suggest the existence of an island arc in a precursor basin to the Araçuaí ...zircon trace element compositions overlap with those of ophiolite-derived zircons from ...
18