Szukana fraza: [Abstract = "The metals in the potentially reactive species \(nonresidual fractions\) occur in predominance over the metals in nonreactive species \(55% for Pb and 97 % for Ni\). The metals in the potentially most bioavailable fractions \(exchangeable and carbonates\) constitute almost \? the all forms of metals in the bottom sediments. So the heavy metals occuring in the bottom sediments examined part of Odra River are not permanently immobilised in the bottom sediments and can easily get into the bulk water."]

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