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《Industrial Health and Occupational Diseases》 1992-04
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EPIDEMIOLOGICAL STUDY ON PNEUMOCONIOSIS IN POWER INDUSTRY

Su Xianming Wu Xiaoming (Institute of Labour protection, Ministry of Energy Resource and Ministry of Water Conservancy, Wangzhougang, Yichang, Hubei, 443002, China)  
The epidemiological investigation on pneumoconiosis was carried out nation widely power industry in 1989.The result showed that the prevalence,cumulative incidence and mortality from pneumoconiosis were 2.41%, 3.05% and 21.64% respectively. The cases were mainly distributed in hydroelectric construction enterprises (71.33%) , second to thermal power plants (27.76%) . There were 8 categories of pneumoconiosis in the diagnosed cases, of which silicosis was 82.99% and coal workers' pneumocoaiosis was 8.99%. In 24 types of dust exposed jous, 60.25% of the total cases appeared among the rock drillers' pneumoconiosis, the boiler overhaulers and the workers conveying coal occupied 8.79% and 6.45% respectively, The reason of differential distribution, the regularity and the prevention priority in power industry were discussed .
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