Zinc and selenium are essential microelements, excess intake of lead or cadmium ions would influence amount of zinc or selenium ions in organism;
锌、硒是生物的必须微量元素，铅、镉的过量摄入可影响人体锌、硒水平；
In this research we compared the capability of concentrating selenium ions and chromium ions of two yeast strains under different culture conditions.
研究了两株酵母菌不同培养条件下富集硒和铬的能力。
The high quantily of proteinfat and the concentration of IronZinc and Selenium ions in the medium is more advantageous to bioconcentration of edible fungi.
提高培养基中蛋白质、脂肪和铁、锌、硒的浓度，有利于食用菌对铁、锌、硒的富集。
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