Principle and maintenance of the spot film device of DCA-200A X-ray diagnostic table

DCA-200A胃肠床点片系统原理及故障分析

The data of 379 workers exposed to LRE dust with the series of X-ray chest films were calculated in cumulative dosage of exposure according to dose-response relationship . The relationship between the dosage of exposure and chest film O + incidence rate was analyzed with life table method .

本文根据剂量-反应关系，对有系列 X线胸片的379例轻稀土粉尘作业工人进行了累积接尘量计算，并用寿命 表方法分析了接尘量与胸片O~+累计发生率的关系。