豆类、瓜类、茄果类、食用菌类样品中硝酸盐没有超过一级标准的，污染较轻。
Nitrate in leguminous, melon and nightshade vegetable was below the level I, which indicated that these vegetable were slightly polluted.
调查表明：粮食中霉菌平均侵染率87.8%，其中黄豆、碗豆污染较轻，其侵染率明显低于小麦、大米、胡豆。
Investigation showed that an average 87 8% of them were contaminated by mould. Mould contamination in wheat, corn, rice and broad beans was more severe than that in pea and soybean.
试验结果表明：硫酸在矿石污染较轻和矿石污染严重时对黄铁矿的活化效果都较好，可使金总回收率提高2~3个百分点；
The results show that sulfuric acid can achieve a good activation effect for both slightly and seriously polluted ore, improving the total gold recovery by 2~3 percentage points;
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