简介：HuGuangLampFactoryinShanghaihasdevelopedelectricity-savinglampsincollaborationwithFudanUniversity,usingRE-containingthreeprimaryphos-phors.Thefactoryproducesseveralvarietiesoflamps,includingH-shaped,hyperbolicandDouble-Dlampsofdifferentwattagese.g.9,11,13,16and28w.A16wDouble-Dlampisasbrightasa85wordinaryin-candescencebulbandthelifeisthree

简介：Ｔｉａｎ－ＧｕａｎｇＨＶＡＣ／ＤＣＮｅｔｗｏｒｋＤｉｓｐａｔｃｈｉｎｇＣｅｎｔｅｒ，ＳＣＥＰ１．ＦｏｒｅｗｏｒｄＯｎＡｕｇｕｓｔ３，１９９３ｔｈｅＳｏｕｔｈＣｈｉｎａＩｎｔｅｒ－ｃｏｎｎｅｃｔｅｄＰｏｗｅｒＮｅｔｗｏｒｋｃｏｖｅｒｉｎｇ４ｐｒｏｖｉｎ...

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简介：Ninesamplesofsuspendedmatteratthesurfaceorbottomand34elementsin20samplesofsubstratesedimenthavebeenusedintheneutronactivationanalyses.Authorsstudysedimentandsuspendedmattermovementbyusingthemethodofelementgeochemistry,andconcludethroughsyntheticanalysisandprocessingthatthemovementdirectionofsuspendedmatterandsubstratesedimenttendstoconvergeonthecentralarea.

简介：ItisanacceptedfactthatthemainsolidphasesupportforpotassiumintheSichuanBasinispolyhalite[K2MgCa2(SO4)4·2H2O]ratherthansylvineis(KCl)(GongDXetal.,2015).Themineraltypes,occurrencecharacteristicsandmetasomatismofthepolyhalitebearingore-bedwereidentifiedandtheoriginofthepolyhalitewasdiscussed.ThepolyhalitesampleswereobtainedfromthecoreofZ12,locatedinDalongVillage,Guang'anCityofcentralSichuan.Thesamplingdepthswere2974m(s-1),3023m(s-2)and3106m(s-3).Themicrobeamanalysisofback-scatteringimageswascarriedoutusingaShimadzuEPMA-1720Serieselectronprobemicro-analyzer,supplementedbyaquantitativespectrumanalysisthatdeterminedthemineraltypes.