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本文报道应用配有符合BMRC曲线标准预捕集器的滤膜粉尘采样器,对铁路采石场、水泥厂、施工隧道、铸钢、铸铁、焊接、制砖等41种粉尘呼吸性粉尘与总粉尘质量浓度及其比值所作的研究结果;并对呼吸性粉尘与总粉尘质量浓度同步测定的卫生学意义作了分析与讨论。
This paper reports the use of a membrane dust sampler equipped with a pre-catcher in accordance with the BMRC curve standard to detect 41 kinds of dust respirable dusts, such as railway quarries, cement plants, construction tunnels, cast steel, cast iron, welding, Dust concentration and the ratio of the results of the research; and respiratory hygiene and total dust concentration simultaneously determine the significance of hygiene analysis and discussion.