简介:Britholite-(Y)(abukumalite),arare-earthmineralfirstdiscoveredinJapanandSovietUnionin1963,wasrecentlydiscoveredinHenanProvince,China,bySongChunliu,QiaoBingkunandZhangJianhong.Itisasilicatemineralofa-patite-structure.Itschemicalformulais(Y,Ca,Dy)(SiO4)3(OH,F).Itcontainsabout44%YRO3andnearly5%Dy2O3.Themineraloccursingraniteinassociationwithgadolinite,fergusonite,samarskite,
简介:AccordingtoAlixPartners,aglobalconsultancy,whichpublishedthe2017GlobalAutomotiveOutlookinShanghairecently,theworldwideautomotivesectorisforecasttogrowto114millionvehiclesby2024.Inparticular,BrazilandRussiaareshowingsignsofrecoveryandgrowthhascontinuedinChina,whereastheUSisexpectedtocontinuetodeclineintheshortterm.AlthoughslightlybelowGDPexpectations,thisoverall
简介:Ⅰ.FeaturesofREapplicationinsteelinrecentthreeyearsinChinaTherearetwomajorREapplicationsinChina.Oneisintraditionalfieldsincludingapplicationsinmetallurgy&machinery,petroleum&chemicalindustry,glass&ceramicsandagriculture,lightindustryandtextileindustry,etc.Andtheotherisapplicationinhi-techin-