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采用顶空色谱测定了河流底泥中的可酸挥发硫化物。
Acid-volatile sulfide in river sediment sample was measured by reaction headspace .
以城市河流底泥为对象，研究了底泥曝气对水体修复的效果。
The effect of the remediation of water body by the technology of aerating sediments was studied with sediments from city river as material.
调查表明：采用监测河流底泥或水生物的方法可以提高监测灵敏度。
It is shown that the method by monitoring sediment or aquatic organisms can increase monitoring sensitivity.
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