该厂采用旁流过滤技术净化循环水水质，且旁流过滤器反冲水水量大，回收利用很有必要。

The refinery adopted side filter technology to purify the circulating water. As the flow of backwash water of the side filter is very large, it is necessary to recover the backwash water.

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试验表明，采用高效除尘器对巷道凿岩工作面进行就地净化循环通风，能使工作面粉尘质量浓度符合国家工业卫生标准。

The test results show that dust concentrations in tunneling working face can be satisfied with the national health standard by a high efficient deduster.

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初步研究证明prostratin也可能防止在血液中循环的净化病毒结合成一个整体重新融入健康的免疫细胞。

Preliminary research suggests that prostratin may also prevent copies of the purged virus which are circulating in the bloodstream from integrating themselves back into healthy immune cells.

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