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简介：XunwuRareEarthCorporationhasintroducedP507reductionextractionprocessfromAnhuiRe-searchInstituteofMetallurgytoprepareeuropiumoxideoffluorescentgradeinonestep.Theprocesshasbeenemployedinaproductionlineinthecorpo-ration.Andafterthreemonthsindustrialexperi-ment,allthetechnicalindexesreachedthedesigned

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简介：TheSecondChinese-SovietSemi-naronChemistryandApplicationsofRareEarthswasheldinChangchunandShanghai,China,fromOct.4thto14th,1991.Nearly100scientistsandexpertsparticipatedinthemeetingand98paperswereintoconferenceproceedings.ThemeetingwasjointlychairedoverbyProf.NiJiazuanofChang-chunInstituteofAppliedChemistry.AcademiaSinica.and

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简介：China'sMinistryofCommerce(MOFCOM)announcedrareearthexportquotasforthe2ndhalfof2010ontheMinistry'sWebsiteonJuly8.Totalrareearthexportquotaisupto7,976tonsforthe2ndhalfyear.Rareearthexportquotadistributionislistedbelow.

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