学科分类
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2 个结果
  • 简介:OrganizedbytheStateCouncilRareEarthLeaderGroup,TheSecondNationalMeetingonRareEarthIndustrywasheldinBeijing,Dec.19-22,1989.Atthemeet-ing,YeQing,thedirectoroftheGroup,madeareportonthedevelopmentofChi-neseREindustry,inwhichhestatedthatachievementsintheproduction,exporta-tion,researchandapplicationsofREhadbeenfruitfulsince1986.TheREmi-neralproductiontotalled29640Tin1988andtheprocessedproductsupto18660T.Miss.BaiOie,chiefoftheChinaREOffice,explainedindetailtheSix-Year

  • 标签: stated fruitful director PROCESSED explained FERTILIZER