231005-2712(2009)04-0044-041,2,1,1,1,11.3410002.-330034。、、、。pH7.5。、90%。。;;pH;O62;S94A252008AY2004。(1975-)。pH。pH。pH、pHNH4+、NO2-、H2S。pH7.5~8.0[1]。。[2]。。。pH[3-4]7.8[5-8]。[9]。。“”。。pH。11.11。0.074mm()353.1~3.44251mm。2。DY15KY132M-4Vol.23,No.4Dec.2009234200912JiangxiNonferrousMetalsDOI:10.13264/j.cnki.ysjskx.2009.04.0094202-A0,pH-3C、pHDC-BFOSSFIAstar5000。1.2、、()、0.40.020.080.525%。15min1.5cm80℃2h。700℃1h,800μm1。11.3①:K2HPO4·7H2O0.500gKH2PO40.500gNH4Cl0.280g6.800g,KNO32.000g,,1000mLpH=7.00~7.50,C/N=5/6。②12gKNO32g,K2HPO40.5g,MgSO4·7H2O0.2g,1000mL,pH=7.2~7.4。③:8g5g5gNaH2PO40.5gK2HPO40.5g、MgSO4·7H2O0.2g,CaCl2·2H2O0.2gH2O(1000mL),pH=7.0~7.2。250mL500mL10mL、3×106cfu/mL1.25g。125r/min30℃。。1.4=11000。pHFOSSFIAstar。22.1pH1pH。pH4.10、6.80。2000mL1.97g,25℃。pHpH。2pH4h7.64,10h7.92。pH6h5.9012h6.69。2pH●◆2pH。3pH6.406hpH7.70pHpH7.5~8.0。10hpH7.3~7.5pH5.4~5.5pHTusedaySeptember20081mmpHTime/h8.07.57.06.56.05.55.04.501020304050,:4523。10hpH7.7。pH7.5~8.0pH。。3pH▲●◆2.24NO2-。3NO2-—N1.39mg/L24hNO2-—N0.05mg/L96.4%。30hNO2-—N0.01mg/L100%1.38mg/L24hNO2-—N0.99mg/L28.5%NO2-—N65.9%。60hNO2-—N0.09mg/L。4●◆pH[9-10]ORPORP20%。[9-10]。ORP。。31pH7.5。2。:、、、:[1].[J].20032436-36.[2].ZBAF[J].20062:79-82.[3].pH[J].200516101972-1975.[4].pH[J].2002226515-519.[5].[J].2004339-42.[6],.[J].200514364-68.[7],.[J].2001204474-476.[8].[J].2006374524-527.[9],.[J].,2007,35(8):1066-1069.[10],.[J].,2005,33(8):1006-1011.pHTime/h8.07.57.06.56.05.55.0024681012NO2/mg.L-1Time/h1.61.41.21.00.80.60.40.20.0-0.20102030405060464EffectofFluxesAgentonCrystalStructure,MorphologyandLuminescenceIntensityof(Ce0.67,Tb0.33)MgAl11O19GreenPhosphorsWENXiao-qiang,WANGLin-sheng,WANGYu-xiang,ZHOUJian,LAIHua-sheng(GanzhouNonferrousMetallurgyResearchInstitute,Ganzhou341000,Jiangxi,China)Abstract:(CeO0.67,Tb0.33)MgAl11O19(CMAT)phosphorsweresynthesizedbyhightemperaturesolidstatereaction.MgF2,AlF3,Li2CO3andH3BO3werechosenasfluxesagents,whoseinfluencesonphasepurity,particlemorphologyandluminescenceintensityofphosphorswereinvestigated.TheresultsindicatedthatCMATphosphorspresentedbetterresultsinphasepurity,particlemorphologyandluminescenceintensitywhenapplyingH3BO3asfluxingagentsthantheother3fluxingagents.Keywords:CMAT;fluxingagent;particlemorphology;luminescenceintensity(27)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!IndustryStatusandDevelopmentTrendonGanzhou’sNdFeBMagneticMaterialRAOXian-fa1a,CHENJiu-chang2,YUEWu-wei2,LIBing2,ZHOULun2,ZHANGHai-xiang2LIAn-guo1b1.JiangxiUniversityofScienceandTechnology,a.TheWestCampus;b.FacultyofMaterialsandChemicalEngineering,Ganzhou341000,JiangxiChina2.GanzhouJiatongNewMaterialCo.Ltd.Ganzhou341000,Jiangxi,ChinaAbstract:ThedevelopmentprocessofNdFeBmagneticmaterialinChinawasintroduced.TheproductionanddevelopmentofNdFeBmagneticindustryinGanzhouCity,anionicrareearthminesupplybaseinsteadofaNd-FeBproductionbaseinsouthChina,wassummarizedHowever,anintegratedindustrychaincombinedwithrareearthexploitation,alloysmeltingandNdFeBmagnetproductionhasestablishedinGanzhoucityinrecentyearswithincreasingnumbersofNdFeB-relatedplantsandstrongercompetition.Keywords:NdFeB;magneticmaterialindustrystatus;trendSynthesisofCompositeTourmalineMaterialsandTheirApplicationonAquacultureWaterTreatmentTANGYun-zhi1,WANGPing2,XULiang1,JIFa-Ming1,WANGXiu-ping1,HUANGGui-zhen1(1.FacultyofMaterialScienceandChemistryEngineering,JiangxiUniversityofScienceandTechnology,Ganzhou341000,Jiangxi,China;2.JiangxiCopper-YatesCopperFoilCo.,Ltd,Nanchang330034,Jiangxi,China)Abstract:Anewtypeofporousceramictourmalineballhasbeensynthesizedanditsapplicationontreatmentofaquaculturewaterisstudied.Thenewtourmaalineceramicswassynthesizedbymixingthetourmalinepowder,bambooscraps,cement,blowingagents,andwaterglasswithconglobulationthenbeputintoanovenunderhightemperature.Thetourmalineceramicsretainsthebasicpropertiesoftuormaline,thatisregulatingthepHvalueintherangeof7.5-8.0,releasingnegativeions,eradiatinginfraredetc.Thefurthebacteriuminoculationexperimentofthedenitrifyingbacteriaindicatethatthattourmalinecanimprovethereproductivecapacitydemitrifyingbacteria.Therateofnitrogenremovalisinmorethan90%.Anewtypeoftourmalinecompositematerialswassynthesised.Theresultshowsthatthematerialscanpurifyandactivatethewater.Thenitrateandnitriteinwater,reducingthecostontreatmentofcultivationwater.Keywords:tourmalinecomplexmaterials;treatmentofaquaculturewater;pHvalue;nitrogenremoval,:(30)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!47