It was correlated between enzyme activity and heavy metal content in substrate sludge.

酶活性变化与底泥重金属的含量相关性很大。

youdao

The residues of drugs and the heavy metal content in meat of all groups matched the standard of "no Public Harm Food".

三个组的猪肉药物残留量和重金属残留量均符合我国规定的“无公害猪肉”的标准。

youdao

Lead-free eggs, preserved eggs also studied the heavy metal content in order to ensure food security is also of great practical significance.

同时研究无铅皮蛋中蛋内的金属含量，以保证食品安全性也具有十分重要的现实意义。

youdao

For those he used lead white, a traditional oil pigment he reckoned would show up in an x-ray due to the heavy metal content.

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There are "real concerns" about the impact on the Danube, he says, as "it will increase the heavy metal content of the water and it might have adverse effects on fish".

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