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对７例矽肺，１例煤尘肺全肺灌洗回收液粉尘采用Ｘ射线衍射法对其矿物学成分的分析结果表明，其矿物学成分主要为ＳｉＯ２、ＦｅＣＯ３、Ｆｅ３Ｏ４、ＫＭｇ（ＰＯ３）３、β－Ａｌ（ＯＨ）３。除煤尘肺ＳｉＯ２为２．１３％，无定型碳占７３．４％外，其他矽肺灌洗回收液粉尘的结构与成分基本相似。
The results of X-ray diffraction analysis of the mineralogy of 7 cases of silicosis and 1 case of pneumoconiosis pneumoconiosis liquid showed that the mineralogical components of the whole group were SiO2, FeCO3, Fe3O4, KMg (PO3) 3, -Al (OH) 3. In addition to coal dust lung SiO2 is 2.13%, amorphous carbon accounted for 73.4%, other silicosis lavage recovery fluid dust structure and composition are similar.