科学委员会根据这些研究得出结论，来自于ED TA铁钠的铁具有生物可利用性。
From these studies the Panel deduced that iron is liberated from the complex and that it is bioavailable.
采用Tessier连续逐级形态提取方法，研究了德兴铜矿土壤中铜存在的化学形态和生物可利用性。
Tessier's sequential extraction procedure for the speciation was adopted to study speciation and bio-availability of Cu in soil of Dexing Copper Mine.
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