乙酰甲胺磷动物毒性试验及接触工人的职业流行病学调查。
Occupational epidemiological investigation in field and animal experiments were performed to study the toxicity of acephate.
本文报道了烟煤煤矿井下工人22年追踪观察的职业流行病学调查研究结果。
The paper reported the epidemiological results of 22-year follow-up study of workers exposed to dust at bituminous coal mines.
方法：用回顾性流行病学调查方法，调查某有色金属企业1980—1999年职业伤害发生情况和分布规律。
Methods: By epidemic retrospective study, we have investigated the occurrence and distributive law of occupational injury from 1980 to 1999 in a non-ferrous metal company.
方法使用回顾性流行病学调查方法，利用疟疾病人个案表确定病例性质和发病前所从事的职业。
Method With retrospective epidemiological investigative method, the characteristics of the cases and occupation of patients were analyzed.
方法采用职业流行病学方法对淮北、淮南矿业集团2 5个国有煤矿和全省34家小煤窑的职业卫生状况进行调查研究。
Methods 25 state owned coal mines and 34 small coalpits in Anhui were investigated. Results Pneumoconiosis was the major occupational disease.
方法采用职业流行病学方法对淮北、淮南矿业集团2 5个国有煤矿和全省34家小煤窑的职业卫生状况进行调查研究。
Methods 25 state owned coal mines and 34 small coalpits in Anhui were investigated. Results Pneumoconiosis was the major occupational disease.
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