简介:FoundedinMarch2001,BaotouXinyuanRareEarthHiTechandNewMaterialsCo.,Ltdisajoint-stockcompanywithtotalassetsofmillionand170staff.ThecompanyspecializesinproducingvarioushighpurityREoxides.REchlorides,REsaltsanddifferentREmetals.MainproductsofdifferentspecificationsareLa2O3,CeO2,Pr6O11,Nd2O3,(SmEuGd)2O3,(PrNd)2O3,Eu-leachREO,(LaCe)2O3,LaCl3,CeCl3,(LaCe)Cl3,Eu-leachRECl3,lowZnandlowMgRECl3andLa2(CO)3,Ce2(CO)3,Ce(NO3)3,(LaCe)2(CO3)3,Eu-leachRE2(CO3)3,REF3,andLa,Ce,Pr-Nd...
简介:Basedontheconceptofthermo-radiationtheory,theprincipleofnon-contacttemperaturemeasurementwithopticalfiberisintroduced.Thenewpyrometeroperatesonthebasisoftwo-waytemperaturesignaldivisioncalculationviamrcrocom-putersignalprocessingsystem.Itsdesignmethodandsmartconstructionoftheelectro-opticalsystempossesssuchadvantagesashighmeasurementaccuracy,freedomfromelectricinterferenceandotherperturbationsaswellasflexibleapplications.Theindica-tionscaleofthemeasuredtemperatureandexperimentresultsaregiveninthispaper.
简介:Theprincipleofnewopticalfibrepressuretransducerisanalysed,andinge-niousdesignschemeofthistransducerisvigen.Thisnewtransducerspecimenisprovidedwithfollowingcharacteristics;experimentaltransmittingdistanceis20m(actuallyupto1000m);systemsensitivityis0.1mV/Pa;powerconsumptionoftheprobeislessthan125μW.Finally,somepointsoftheappraisementaregiveninthispaper.