简介:Dee,in"EverydayUse",isportrayedasanegativecharacter.Nevertheless,somecriticssuggesttore-interpretherforsomereasonablecauses.Byusingclose-reading,thisarticletrytore-evaluateDeesotoevalueAliceWalker’svaluabledevotionincharacterdepiction.
简介:OrganizedbyChinaRareEarthInformationCenterandNationalRareEarthInformationNetworkandco-sponsoredbyInformationSpecialtyCommitteeofChinaRareEarthSociety,TechnologyandEconomySpecialtyCommitteeofChinaRareEarthSociety,NorthernRareEarthIndustryProductivityPromotionCenteraswellasmediaincluding'RareEarth
简介:7.ChinesescientistsindependentlydevelopedthecosteffectiveLa-Fe-BserieshydrogenstoragematerialsAftermorethanfouryearsefforts,hydrogenstorageresearchteaminBaotouResearchInstituteofRareEarthshaddevelopedLa_(15)Fe_(77)B_8,La_(17)Fe_(76)B_7andLa_8Fe_(27)B_(24)serieshydrogenstoragealloys,whichhavethemultiphasestructureincludingLaNi_5phase,