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褐煤矿尘肺病情及影响因素的研究范雪云，韩向午，何立萍，袁聚祥（华北煤炭医学院）本文研究表明，褐煤矿尘肺病情比烟煤和无烟煤矿轻，同是褐煤旷尘肺病情也有很大差异，其主要影响因素是煤层厚度，围岩构成，井下滴水量和煤中所含灰份及挥发份的量，这些因素直接影响形...
Study on Pneumoconiosis and Influencing Factors in Brown Coal Mine FAN Xue-Yun, HAN Xiang-Wu, HE Li-Ping, YUAN Ju-Xiang (North China Coal Medical College) This study shows that the lignite pneumoconiosis is lighter than bituminous coal and anthracite coal, The influencing factors are the thickness of the coal seam, the composition of the surrounding rock, the amount of drip and the amount of ash and volatile matter contained in the coal, which directly affect the shape ...