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1984年12月10至13日,冶金部安环司在北京主持召开了冶金部马鞍山矿山研究院研究的长周期和个体粉尘采样方法,冶金部安全技术研究所研究的WA—83—1型两级计重呼吸性粉尘采样器、红外分光光度法测定粉尘中游离二氧化硅和粉体三参数测定仪鉴定会。参加鉴定会的有来自全国总工会、劳动人事部、冶金工业部和中国有色金属工业总公司领导机关及大专院校、科研院所、工矿企业等37个单位的领导、专家、教授、科技人
Dec. 10 to Dec. 1984, Ministry of Metallurgical Safety and Environmental Protection Division hosted a long-period and individual dust sampling method in Maanshan Mining Research Institute of Metallurgical Department in Beijing. WA-83-1 type two Gravimetric respirable dust sampler, infrared spectrophotometry for the determination of free silica and powder three parameters of the detector will be identified. Attended the appraisal will be from the National Federation of Trade Unions, Ministry of Labor and Personnel, Ministry of Metallurgical Industry and China Nonferrous Metals Industry Corporation leading organs and tertiary institutions, research institutes, industrial and mining enterprises 37 units of leaders, experts, professors, scientists