standard dust

It studies the eliminating dust and sterilization method that can make indoor clean degree to meet with the national standard in the paper.

通过反复试验研究了使洁净室内的空气洁净度达到国标要求的除尘和杀菌方法。

Textile Manufacturers involved a standard regulating cotton dust.

“纺织品制造商”一案牵涉到对棉屑管理标准问题.

Studies on safety standard of bhc/ ddt dust for using on wheat against the Chinese armyworm

粘虫散在小麦上安全使用标准的研究

Health standard for respirable silica dust in the air of workplace.

车间空气中呼吸性矽尘卫生标准.

There were two problems that flue gases entrained water and flue dust concentration exceeded discharge standard.

某热电厂尾部烟气的湿法除尘装置存在严重的烟气带水和烟尘排放浓度超标问题.

Health standard for rock wool dust in the air of workplace.

车间空气中岩棉粉尘卫生标准.

In order to study the performance of the commonly used bag-type filter, the author designed a testing set according to the National Standard ( GB 12218-89), which can test the efficiency, resistance, dust holding capacity of the filter.

为了研究现有空调系统中常用的袋式过滤器的性能，根据国家标准GB12218设计了过滤器的性能测试装置，对所采集的袋式过滤器的过滤效率、阻力及容尘量等性能指标进行了测试。

The practice shows that the efficiency of the reformed water membrane dust collector comes up to 95%; and the mass concentration of emitted dust is 72~ 93 mg/ m 3, lower than the national emission standard.

实践证明，改造后除尘器的除尘效率达到95%，烟尘质量浓度为72～93mg/m3，低于国家排放标准。