The results show that the electrolytic manganese metal residue and its product are feasible and effective as fertilizer.

结果表明：电锰渣及其研制品作为肥料是有效可行的。

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Objective To investigate the adsorbing abilities of chitosan towards heavy metal residue in the extract of Traditional Chinese Herbal Medicine (TCHM).

目的：探讨壳聚糖对中药水提液中铜、镉、铅等重金属残留的吸附特性。

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Environmental and farm produce contamination by toxic heavy metal has become a major safety problem for human. Therefore rapid determination of heavy metal residue urgently required.

环境及农畜产品中的重金属残留已对人类安全构成严重威胁，急需快速、高效的重金属残留检测方法。

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His suit alleges that Coke managers knew that drinks machines were allowing metal residue to contaminate some products when they were frozen.

BBC: Coke hits back in fraud probe

The problem at the moment is the "heavy metal residue", as it is a danger for plant life and can get into rivers, he says.

BBC: How toxic is Hungary's red sludge?

Suppliers of frozen drinks machines have told Coke there had been a few cases of metal residue in dispensers in recent years, the company said.

BBC: Coke hits back in fraud probe