目的研究某镉镍电池生产企业职业卫生状况，预防和减少职业病的发生。
Objective To investigate cadmium nickel battery production, prevention and reduced occupational disease occurrence.
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.
全面了解废旧电子产品回收行业作业场所的卫生状况，为进一步研究该行业的职业危害状况提供资料。
To overall explore the hygiene status of workplace in waste electronic products recycle industry and to provide datum of further researching that the Occupational hazards status.
全面了解废旧电子产品回收行业作业场所的卫生状况，为进一步研究该行业的职业危害状况提供资料。
To overall explore the hygiene status of workplace in waste electronic products recycle industry and to provide datum of further researching that the Occupational hazards status.
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