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为了调查从铁沙中回收V_2O_5某厂工人的健康危害状况,对该厂工人作了专项体格检查。检查结果如下: 1.患咽炎、支气管炎人数占接钒工人的25％,但未发现患有肺炎和肝炎的工人; 2.自觉症状和客观症状中,常见的症状是呼吸道刺激及舌头变色; 3.上唇移行部份和口腔粘膜上有斑点状的黑色素沉着,聚集成带状,宽1～2毫米。接钒工人该体征的发病率为14.3％;
In order to investigate the health hazards of the workers in a V_2O_5 plant recovered from the iron ores, a special medical examination was conducted on the workers of the plant. The test results are as follows: 1 suffering from pharyngitis, bronchitis accounted for 25% of vanadium-receiving workers, but did not find workers suffering from pneumonia and hepatitis; 2 subjective symptoms and objective symptoms, common symptoms are respiratory irritation and tongue discoloration; 3. Upper lip migration part of the oral mucosa with spots of melanin, gathered into a ribbon, 1 to 2 mm wide. The incidence of vanadium workers receiving the sign was 14.3%;