4月22日到23日,内蒙古自治区冶金机械厅在包头市组织了“P_(507)萃淋树脂合成生产和色层法制取纯铽镝钆单一稀土研究”工艺的鉴定会。参加会议的有内蒙冶金研究所、包钢、北京钢铁学院、内蒙古大学等十四个单位十七名代表。会上对包头 April 22 to 23, Inner Mongolia Metallurgical Machinery Office in Baotou organized “P_ (507) extraction resin synthesis production and color-layer method of pure terbium dysprosium gadolinium single rare earth” technology appraisal meeting. At the meeting, there were 17 representatives from 14 units including Inner Mongolia Metallurgical Research Institute, Baotou Steel, Beijing Iron and Steel Institute and Inner Mongolia University. At the meeting of Baotou