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1990年8月21日至25日中国矿物岩石地球化学学会,中国科学院地球化学所、地质研究所,资源环境科学局在贵阳联合召开了“全国非金属矿物与矿物材料学术讨论会”。出席会议代表130人,分别来自地质矿产部、化学工业部、国家建材局、中国统配煤矿总公司、中国有色金属总公司、高等院校及中国科学院等7个系统,23个省、市、自治区。代表中有较多的老教授、研究员、高级工程师及更多的中青年科
August 21-25, 1990 China National Institute of Mineral Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Institute of Geology, Resources and Environment Bureau jointly held in Guiyang, “National Non-metallic Minerals and Mineral Materials Symposium.” 130 delegates attended the conference, including seven systems from the Ministry of Geology and Mines, the Ministry of Chemical Industry, the State Bureau of Building Materials, the China National Coal Mine Corporation, the China Nonferrous Metals Corporation, universities and Chinese academies of sciences, respectively, with 23 provinces, autonomous region. Representatives have more old professors, researchers, senior engineers and more middle-aged subjects