简介：Source:AssociationofChinaRareEarthIndustry1.RareearthmarketPricesofrareearthproductskeptweakinMay.AlthoughstimulatedbythenewsthattotalproductioncontrolquotasreleasedattheendofApril,thereweremoreinquiriesinthemarketbutfewtransactionsweredone.However,duringthelastweekofMay,rareearthmarketbecameactiveandsignsofpricerisingappeared.Thatwasbecauserareearthproducersincreasethesellingpriceafteralongtimeofdepressedpricetomaintaincostefficiency.Thedownstreammarketshowedsubduedreactionandweforecastedthattheoverallrareearthmarketwouldkeptstableinfuture.

简介：Whenenteredintothe21stcentury,globalrareearthmarketexhibitspleasingsituationinrecentyears,profitingfromfastdevelopmentofglobaleconomy.Chinarepresentednearly60%ofglobalrareearthconsumptionin2007.Rareearthconsumptioninfiveadvancedmaterialsincludingpermanent

简介：Source:AssociationofChinaRareEarthIndustry1.RareearthmarketPricesofrareearthproductskeptweakinOctober.didymiumoxide,didymiummetal,neodymiumoxideoflightrareearthproductstumbled.ChinaNorthernRareEarthdecreaseditsquotedpriceofandneodymiummetalonOctober11.Afterwards,priceHowever,ChinaSouthernRareEarthannouncedthepriceofmediumandheavyrareearthsonOctober15Exceptforholmiumoxide,nearlypriceofallothermediumandheavyrareearthkeptstable.

简介：Nearlyalllistedrareearthcompanieshavereleasedtheirsemi-annualreportbytheendofAugust,2016.Theweakmarketimposesheavystrainontheserareearthenterprises.Intheinternationalmarket,HondaMotors,workingwithDaidoSteel,hasmadeamajorbreakthroughinhybridtechnologyindevelopingthefirstmagnetsuitableforuseinautomotivedriveapplicationsthatdoesnotmakeuseofheavyrareearthelements.

简介：'RareEarthIndustryDevelopmentPlan(2016-2020)'wasformallyintroducedrecently.Accordingtotheplan,bytheendof2020,thesixrareearthgroupswillcompleterestructureofenterprisesengagedinrareearthmining,smelting&separationandresourcescomprehensiveutilizationthroughoutthecountry.Inthenextstep,thesixgroups,includingCHINACLO,ChinaNorthernRareEarth,XiamenTungsten,ChinaMinmetals,GuangdongRareEarthandChinaSouthernRareEarthGroup,willcontinuetotargetatadvancingrareearthindustryconsolidationwithdeliberateworkplanandtimeschedule;

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简介：Agriculturalapplicationofrareearth(RE)hasbeengeneralizedforseveraldecades,anditisinvolvedincrops,vegetablesandstockraisinginChina.However,alltheresearchesonREmainlyfocusonthefieldssuchasplantphysiologicalactivity,physiologicalandbiochemicalmechanism,sanitationtoxicologyandenvironmentalsecurity.PlantprotectionbyusingREandtheinducedresistanceofplantagainstdiseasesweresummarized.Themechanismofrareearthagainstplantdiseaseishighlighted,whichincludesfollowingtwoaspects.First,REelementscancontrolsomephytopathogendirectlyandreduceitsvirulencetohostplant.AnotherpossibilityisthatREelementscanaffecthostplantandinducetheplanttoproducesomeresistancetodisease.

简介：1.TheStateCouncilpublishedtheWhitePaperon'SituationandPoliciesofChina'sRareEarthIndustry'TheStateCouncilpublishedtheWhitePaperon'SituationandPoliciesofChina'sRareEarthIndustry'onJune20,2012.Itcomprehensivelyintroducedcurrentsituation,problemsbeingconfrontedandrelatedpoliciesofChinarareearth

简介：Ⅰ.EnvironmentandtrendofREmarket1.Operationenvironmentin2008Chinesegovernmentfurtherstrengtheneditsmacro-controlonrareearthindustryin2008.Mandatoryplanningpolicywasimplementedintheproductionofrareearthmineralsand

简介：稀土元素金属(雷姆)是在高技术，发电，通讯，和防卫工业有普遍、唯一的应用的一系列17个元素。这些资源对突现的持续精力和碳选择技术也枢轴。雷姆的恢复由于它与各种各样的工业应用一起的高市场价格有趣。常规技术，viz。降水，过滤，液体液体抽取，稳固液体的抽取，离子交换，超级批评抽取，电迷，电精制，精制的electroslag，等等，为雷姆的恢复被开发了，不是经济地吸引人的。Biosorption从水的答案为稀土元素金属的恢复代表biotechnological革新以及一个合算的优秀工具。许多biomaterials象水藻那样，真菌，细菌，树脂，激活的碳，等等，被报导了为雷姆的恢复用作潜在的吸附物。影响稀土元素金属并且等温线建模的举起的金属绑定机制，以及参数这里被介绍。这篇文章提供过去的成就和用答应biosorbents能为恢复雷姆用作一个节俭的工具的一些执行的biosorption研究的当前的情形的概述。不同工人报导的试验性的调查结果将提供卓见进这研究边疆。

简介：以GoogleEarth为基础,使用3D软件SketchUp进行了图像数据的预处理、建模设计、图像处理等,分析了模型在GoogleEarth上进行转换与实现的特点。

简介：ThesupplyofrareearthsoutsideChinawas19,800tonsin2017,anincreaseof16%over2016.thesupplyofrareearthsoutsideChinawas42,200tonsin2018,a210%increasecontinuousdiscoveryofrareearthresourcesintheglobe,China’sshareofrareearthreserveshasgraduallydeclined.Since2017,thecontinuousimprovementofoperatingrateofLynasinAustraliaandthere-exploitationoftheMountainPassmineintheUnitedStatesresultedintheformationofadiversifiedsupplypatternofrareearthproducts.

简介：5.REpolishingpowdersREpolishingpowdersoccupy14%oftotalREconsumption.Cerium-basedpolishingpowdersarewidelyusedinprecisepolishingforopticallens,LCDscreen,siliconsingle-crystalwaferandotherelectroniccomponents.Mostofpolishingpowdersareofmicrometergradecurrently.

简介：China'srareearthexportpolicychangedgreatlyin2015.RareearthexportquotaswerecancelledinearlyJanuaryandexporttariffswereputanendinearlymay.Thecancellationofbothexportpoliciesgreatlystimulatedrareearthexportmarketsduring2015.Chinatotallyexportedabout34,800tonsofrareearthproductsduring2015,up25.62%year-on-year;exportvaluereachedabout$373million,up0.24%year-on-year;averageexportpricewas$10.71perkg,down20.20%year-on-year.

简介：Withthesixrareearthgroups'productionrestrictionandthecrackdownonillegalproductionandsmuggling,rareearthmarketfluctuatedslightlyduringthefourthquarterof2015.PriceofsomerareearthproductslikePr,NdandDykeptonincreasingwhilepriceofLa,Ce,EuandYtslippedconstantly.Mostoftheconsumersexpressedthatitwasadifficultyearin2015.Priceofseparationproductshaddroppedbelowthecost.Many

简介：Basedontheinvestigationoftheluminescenceofaseriesofrareearthorganicchelates,somerelationshipsbetweenluminescenceandthestructureofthechelateswereproposed:theintensityofsensitizedluminescenceofcentrallanthanideions(Ln3+)inarareearthorganicchelatedependson(1)thesuitabilityoftheenergygapbetweentheexcitedtripletenergyleveloftheligandsandthelowestexcitedenergylevelofLn3+ions;(2)therigidityandplanarityofthestructureofthechelatemolecule;(3)theexistenceofasuitablesecondaryligandwhichmayincreaserigidityandthestabilityofthechelatemolecule;and(4)theexistenceofasuitableπ-conjugatedsysteminthechelatemolecule.Accordingtotheaboverelationships,25novelorganicligandsweredesignedandsynthesized,andtheirlanthanidechelateswereprepared.Investigationofthephotoluminescenceforthenewchelatesshowsthatsomeofthechelatesarestronglyluminescent,andareappliedtofluoroimmunoassayfordeterminationofhumanimmunoglobulin(IgG),topreparationoffluorescentplastics,andtodeterminationofgrowthhormoneforplants.Twonovelspectroscopy-probetechniquesforstructureofcoordinationcompoundsandbiologicalmoleculeswereproposedanddevelopedbasedonvibronicspectroscopyofTb3+complexesandfluorescenceofCe3+.

简介：1.SpecialsessiononrareearthindustryadministrationhostedbytheStateCouncilVicepremierMAKaichairedthespecialsessiononintensifyingthemanagementofrareearthindustryon19December2013.MembersfromMIIT(theMinistryofIndustryandInformation

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简介：1.OrganizationschemeofsixlargerareearthgroupsfiledinMIITOn8January2014,theMinistryofIndustryandInformationTechnologyinconjunctionwiththeMinistryofLandandResources,theState-ownedAssetsSupervisionandAdministrationCommissionoftheStateCouncilheldaspecialmeetingontheorganizationoflargerareearthenterprisegroups.Onthemeeting,MIITconveyedtheStateCouncil’sspiritofstrengtheningadministrationonrareearthindustryandarrangedthekeytasksofreorganizationandindustrymanagementforthefollowingstep.Afterward,MIITactivelyfacilitatedtheorganizationofthesixrareearthgroups.CHINACLO,ChinaNorthernRareEarthGroup,

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