第二，什么是有害金属离子血清浓度标准？

Second: What is harmful serum level of metal ions?

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结果表明，钙含量和温度是影响有害金属离子溶出的主要因素。

The result showed that the Ca concentration in slag and the temperature are principal factors that have influence on metallic ion leaching.

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结果四种处理方案使酸度高、有害金属汞、铬、银含量高得以控制。

Results The content of acid and of such harmful metals as mercury, chromium and silver, can be prevented from rising too high.

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