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用Ｘ－射线荧光法和原子吸收法对煤矿岩尘样品做了硅、铝、铁、钙、镁、钾、钠、钛、磷、锌、铜、钻、镍、铅、镉、铬、锰、钒、钡、锶、锆、铷、、钍、镓、铌和钇等２７种元素的含量测定。在岩尘元素含量与矽肺患病率的相关分析中观察到：与钡、锆、钾、钠呈显著性正相关；与铌呈显著性负相关。将岩尘元素含量以不同方法处理后再与患病率做多元逐步回归分析，求得方程基本相同。即与钡、镉、钠的含量呈显著性正相关；与镓、铝呈显著性负相关。用各种方法均得出岩尘中钡元素含量与患病率呈高度显著性正相关，说明钡在矽肺形成过程中可能起重要作用。
Aluminum, iron, calcium, magnesium, potassium, sodium, titanium, phosphorus, zinc, copper, diamond, nickel, lead, cadmium, chromium and manganese were made by X-ray fluorescence and atomic absorption , Vanadium, barium, strontium, zirconium, rubidium, thorium, gallium, niobium and yttrium 27 kinds of elements. In the correlation analysis between the content of rock dust elements and the prevalence of silicosis, it was observed that there was a significant positive correlation with the contents of barium, zirconium, potassium and sodium, but negatively correlated with niobium. The rock dust element content in different ways to deal with the prevalence of multiple stepwise regression analysis, the equation is basically the same. That is, it has a significant positive correlation with the content of barium, cadmium and sodium, and has a significant negative correlation with gallium and aluminum. A variety of methods are derived from the rock dust in the barium content and prevalence was highly significant positive correlation, indicating that barium in the formation of silicosis may play an important role.