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本文通过对218名地矿粉尘作业工人卫生追踪调查,再次证实矽肺的发病率与作业环境粉尘的浓度、接触粉尘的时间有比例关系。提出了地矿行业坑道工通过轮换工种,以减少发病率的可行性设想。还发现矽肺病人的病死率与矽肺的轻重程度不成比例。改善井下作业环境,对降低发病率有重要意义。
In this paper, through the investigation of the hygiene of 218 mine workers in dust mines, it confirms again that the incidence of silicosis is proportional to the dust concentration and dust exposure time. Proposed mine workers in the underground mining industry through rotation to reduce the incidence of the feasibility of the idea. The mortality of patients with silicosis was also found to be disproportionate to the severity of silicosis. Improving downhole operating environment is of great importance to reduce the incidence.