一、前言尘肺病(俗称硅肺病)的发病速度不仅与粉尘浓度、分散度和含硅量有关;实践证明,它还与粉尘粒子形状有着密切的关系。我局安源矿就是这样一个明显的例子。安源矿成煤时期与高坑矿相同,都属于中生代上 First, the foreword Pneumoconiosis (commonly known as silicosis) incidence rate not only with the dust concentration, dispersion and silicon content; Practice has proved that it is also closely related with the shape of dust particles. Mine Anyuan mine is one such obvious example. Anyuan coal mine during the same period and high pit mine, belong to the Mesozoic