[PDF] Top 20 Distribution, fractional and mobility of trace elements in stream sediments.
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Distribution, fractional and mobility of trace elements in stream sediments.
... FRACTIONATION AND MOBILITY OF TRACE ELEMENTS IN STREAM ...gold and iron mining activities in the Velhas River yield considerable amounts of suspended ... See full document
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Assessment of trace element pollution and its environmental risk to freshwater sediments influenced by anthropogenic contributions: The case study of Alqueva reservoir (Guadiana Basin)
... and Cu have been reported (Davutluoglu et ...Higher trace el- ement contents were found in the residual fraction for Zn (wet period: 58 to 93%; and dry period: 74 to 85%), Cu (wet period: 58 ... See full document
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Distribution pattern of trace metal pollutants in the sediments of an urban wetland in the southwest coast of India
... samples of the ...&Zn and except site 4 for ...release of these metals, making them bioavailable. If the value of EFc ...the trace metal is delivered from others sources [9] ... See full document
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Density/area power-law models for separating multi-scale anomalies of ore and toxic elements in stream sediments in Gejiu mineral district, Yunnan Province, China
... used in this paper comprises (1) a detailed 1:200 000 scale geological map (2) geochemical data regard- ing As, Cd, Cu, Pb, Zn and Sn derived from 7,349 stream sediment samples, and (3) Sn ... See full document
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Geochemical behaviour of trace elements during fractional crystallization and crustal assimilation of the felsic alkaline magmas of the state of Rio de Janeiro, Brazil
... geochemical distribution crossing over the thermodynamic incompatibilities cannot be originated from fractional ...shape of clinopyroxene in the nepheline syenite and alkaline syenite, ... See full document
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Global change effects on seagrass ecosystem
... activity and morphology of seagrasses (such as temperature, salinity, waves, currents, depth, substrate, day length, light, nutrients, water currents, wave action, epiphytes and diseases), the ... See full document
164
The effects of trace elements, cations, and environmental conditions on
... peripheral and fission ...recognizing and converting the PAHs in degradable molecules, and fission enzymes pass these molecules through the common pathways for energy generation and ... See full document
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Avaliation of the environmental risk by metal distribution in sediments from lakes formed by Cambé Stream at Londrina.
... AVALIATION OF THE ENVIRONMENTAL RISK BY METAL DISTRIBUTION IN SEDIMENTS FROM LAKES FORMED BY CAMBÉ STREAM AT ...proposal of this study was to obtain the proile of these ... See full document
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Corals as biomonitors: application, pre-treatment and determination of major and trace elements.
... Como mencionado acima, os níveis de íons metálicos nos es- queletos de corais diferem entre as espécies, assim como ocorre com outros organismos biomonitores. Estas variações na bioacumulação de elementos majoritários e ... See full document
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Study of trace elements concentration in cancerous and healthy Bladder, Colon and Lung tissues
... treatment and diagnosis measures lies on understanding all intervenient factors in the carcinogenesis process, which has several stages and can be originated by genetic alterations or environmental ... See full document
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Rare Earth Elements and Geochemical Partitioning of Zn and Pb in Sediments of an Urban River
... (Ludwig and Probs, 1998; Abril et al., 2002), but the impact of small rivers cannot be locally ignored which is the dominant pathway for metals transport (Miller et ...number of studies on the metal ... See full document
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Organic acids in the rhizosphere and phytoavailability of sewage sludge-borne trace elements
... present in the rhizosphere, such as low molecular weight organic acids and amino acids, are considered solubilization agents of metals linked to some mineral fractions of soils, because they ... See full document
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Joana Raimundo Pimenta ACCUMULATION, RESPONSES AND GENOTOXICITY OF TRACE ELEMENTS IN OCTOPUS VULGARIS
... muscles and organs (Jereb et ...brain and peripheral connections. Octopus has the most complex brain of all the invertebrates, just like vertebrates, they have long term and short-term ... See full document
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Spatio-temporal distribution of inhalable and respirable particulate matter in rural atmosphere of Nigeria
... description of particle pollution of the air at a particular site encompasses the physical characterization of the aerosol, including the total size distribution and that with respect ... See full document
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PLANT AVAILABILITY OF TRACE ELEMENTS IN SEWAGE SLUDGE-TREATED SOILS: METHODOLOGY
... results of this experiment showed that metals in sludge-treated soils are dissolved and form soluble complexes with different root exudate- based organic ...Cr, and Cu in the soils are ... See full document
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Seasonal Variability of Trace Elements by Soil Depth in a Protected Area
... fragments of Brazilian biomes. They may contain forest areas and can be found near to urban areas, which exposes them to ...Area of Relevant Ecological Interest (ARIE) is located in Volta ... See full document
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Electrochemical methods for speciation of trace elements in marine waters. Dynamic aspects
... degree of reversibility for nonreversible electron transfer reactions and in some cases allow metal complexation parameters to be determined in a straightforward ...shape of the SSCP ... See full document
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Distribution of refractory and volatile elements in CoRoT exoplanet host stars
... loss and excess energy used to disperse the planetesimals (Murray et ...scription of the planet migration used in this work is presented in Winter et ...consist of a forced inward ... See full document
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STUDY ON MINERALS AND TRACE ELEMENTS STATUS IN DIFFERENT AGE GROUP OF GERIATRIC CASES
... risk of falling in to illness or the tendency to catch illness due to number of reasons such as malnutrition and under ...minerals and trace elements levels in ... See full document
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An Analysis Of The Difference In Gender Level Of Cassava Production And Access To Land In Abia State Nigeria
... inheritance and the resultant effect of this is the fragmentation of land during the acquisition and sharing of either family or community ...evident of this was seen on the ... See full document
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