... 碳电阻片柱Carbon piles resistor 碳砂Carbon granule 碳石墨布Carbon-graphite cloth ...
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水处理填料系列：如石英砂、活性碳、锰砂、无烟煤和离子交换树脂。
Water purification material Series: if Quartz sand, Activated Carbon, Manganese sand, Anthracite, and ion exchange resins.
以附着活性细菌的生物砂为接种物，通过静态培养的方式测定饮用水中可生物降解溶解性有机碳（BDOC）。
Using sand inoculated with bacteria(bio-sand), a static incubation experiment was conducted to determine the biodegradable dissolved organic carbon(BDOC)in drinking water.
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