慢性錳中毒始見于1837年Cnuper氐的报告,1903年由Friedal氏明确指出錳尘为其病因。迄1955年Fairnall氏和Rodier氏分別总結文献討論503例。近年来文献中陆續尚見增添。1954年顧氏曾报导3名炼錳合金工人中毒。随后汪氏,陈氏及周氏也先后发表了有关的調查报告。至今文献相繼記載78例。上述資料仅述及炼錳、錳矿开采或研磨的职业中毒問題。关于电焊作业錳中毒哈 Chronic manganese poisoning first appeared in the report of Cnuper 18 in 1837, and in 1903 it was clearly identified by Friedal’s that manganese dust was its cause. As of 1955 Fairnall and Rodier’s literature review summary of 503 cases. In recent years, the literature continues to increase. In 1954, Gu had reported the poisoning of three manganese alloy workers. Followed by Wang, Chen and Zhou’s also published the relevant investigation report. So far literature records 78 cases. The above information only deals with the problem of occupational poisoning caused by refining or manganese mining or grinding. Manganese poisoning on the welding operation Kazakhstan