DF：去污因子

“Decontamination Factor”通常缩写为DF，这种简写方式便于快速记录和使用，常见于环境工程、核能处理及公共卫生等专业机构领域。其中文含义为“去污因子”，主要用于衡量污染物去除或净化的效率指标，是评估处理工艺效果的重要参数。

Microfiltration process combined with traditional process for the treatment of liquid radioactive waste can obtain higher decontamination factor and concentration factor.
微滤工艺和传统工艺相结合处理放射性废水能获得较高的去污因数和浓缩倍数。
Decontamination factor for cesium is more than 10 6. Recovery ratio for rubidium is more than 80 %.
建立了简便、高效的铷、铯放化分离流程，对铯的去污系数大于106，铷的回收率大于80%。
The chemical recovery of Tc is more than 70 % and the decontamination factor is more than 107.
该流程的化学产额大于70%，对Ru的去污因子(DF)大于107。
Determination of decontamination factor in heavy water circuit and in-situ monitoring for radiation safety
研究性重水反应堆重水回路去污因子(DF)的测定及辐射监测
The test items include performance determination for the system when solid wastes ( include resins ) or spent oil were incinerating and off gas was cleaning, tracer test for determinating decontamination factor and 72 h continuos running test.
试验主要包括固体废物（包括树脂）和废油焚烧及烟气净化时系统的性能测定、非放示踪试验、72h连续运行考验等。

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