论文部分内容阅读
j,M,Roganii,R,ASHFORD;P,J,Cnapmanjp,p,DUFFIELD;J,W,J,Fay和S,Rae国家煤炭工业部从1953年起在25个煤矿进行煤田尘肺的現場調查,确定用x线检查这些煤矿的所有工人,約35000人,每隔3—4年检查一次。本論文是研究八个煤矿的工人所取得的結果。其中三个煤矿在苏格兰,二个在英哥兰,三个在威尔斯。研究工人总数为9758人,每个煤矿的90%以上的在职矿工都自报奋勇的进行检查。每人拍照一张35.5
J, W, J, Fay and S, Rae The Ministry of Coal Industry of the State Council conducted a field survey on pneumoconiosis in 25 coal mines from 1953 onwards, About 35,000 people were identified for all workers who examined these coal mines on x-rays and examined every 3-4 years. This paper is the result of studying workers in eight coal mines. Three of the coal mines are in Scotland, two in England and three in Wells. The total number of research workers is 9,758, and over 90% of the working miners in each coal mine are self-proclaimed. 35.5 per person