Absorption studies were conducted on the residue after each extraction.

吸附研究是在每一个提取后的残渣上进行的。

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Nonorganic foods from the studies were four times more likely than organic foods to have pesticide residue in addition to higher concentrations of a toxic metal.

研究中的非有机食品除了含有更高含量的有毒金属，较之于有机食品多了四倍可能有农药残留。

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Rice residue is byproduct of rice vinegar, another product from fermentation factories. So these studies have good application significance.

由于米渣是来自酿造工厂的另一个大宗产品——米醋的副产品，因此具有很好的应用意义。

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