超声波对固体颗粒表面性质的影响

:2005201212:(03E7034):(19732),,,,.:16732064X(2005)0620053203Effectsofultrasonicwaveonthesurfacepropertiesofsolidparticle1,2,2,2(1.,710049;2.,710065):;(HDTMA).:,.,,55,40kHz50W50min55,12.575m7.799m,6.998m5.453m.,HDTMA,80kHz50W50min65,64.69%.:;;;:TQ423.12:A,,,[1].,,,,.[2],[3],.,(HDTMA),.11.1:Na2CO3(HDTMA)NaOH;,.:KQ-50DB;MP500B;XSP-BM;SHZ-82.1.22.5Na2CO3,2h,8h.200511206()JournalofXianShiyouUniversity(NaturalScienceEdition)Nov.2005Vol.20No.6©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=(1-/o)100%.,,o.22.12.1.13535min50W,1.11,1925kHz,,,12.575m8.053m,6.998m5.454m.,,80kHz8.629m,5.805m,.25kHz,,,.25kHz,40kHz,.2.1.23535min40kHz,2.22,2050W,,,20W11.708m6.005m50W8.495m5.643m.,,.2.1.340kHz50W,35,3.33,,,10min11.078m6.005m50min8.099m5.696m.,,.2.1.440kHz50W50min,4.4,2565,258.881m5.951m45()©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2,3].,,,,.,,,.,.,,.,,[4].42.22.2.13520min50W,5.55,,,19kHz4.16%80kHz8.58%.2.2.280kHz,35,20min,6.6,.20W3.36%50W8.58%.2.2.380kHz50W35,7.677,,10min5.33%50min28.31%.2.2.480kHz,50W,50min,8.88,,.,.2524.22%6564.69%.(76)55:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),X3(),X19(),.,,.4(1),,.(2),.,.(3),,,.:[1].[J].,1999,19(7):66269.[2],.[J].,2003,23(3):1172119.[3].[M].:,1990.822129.[4],,,.[M].:,1990.1102129.[5]LinChing2Torng,WangMao2Jiun.Hybridfaulttreeanal2ysisusingfuzzysets[J].ReliabilityEngineeringandSys2temSafety,1997,(58):2052213.[6],,.[M].:,1994:16256.[7]ClemenRT,WinklerRL.Combiningprobabilitydistri2butionsfromexpertinriskanalysis[J].RiskAnalysis,1999,19(2):1872203.[8],,.[J].,2001,21(2):94296.:(55),,...,.3(1),.,,.,.40kHz,50W,50min55,12.575m7.799m,6.998m5.453m.(2),.,.,80kHz,50W,50min,65,64.69%.:[1].[M].:,2003.4822483.[2],.[J].,2001,2(2):64269.[3],.[J].,2002,24(4):2522256.[4]KeunwanLee..C.I.60[J].,2002.11(212):21224.:67()©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.SchoolofEnergyandPowerEngineering,XianJiaotongUniversity,Xian710049,Shaanxi,China;2.CollegeofChemistryandChemicalEngineering,XianShiyouUniversity,Xian710065,Shaanxi,China)JXSYU2005V.20N.6p.41244Studyontheinteractionmechanismbetweentween-80andliposomemembraneAbstract:Theinteractionmechanismbetweentween280(polyoxyethylenesorbitolfattyacidesters)andli2posomemembraneisstudied.Thestructureofstericallystabilizedliposomemembraneisverifiedbysomeanalyt2icalmeanssuchasnephelometry,DSC,1H2NMRandsoon.Theresultsshowthattween280reachestothesatu2rationbetweenwaterphaseandlipidphasewhenthemassfractionoftween280is1.3%;itbeginstobesolubi2lizedintomixedcolloidalmasswhenitsmassfractionis2.6%.Whenthemoleratiooftween280tophos2phatidylcholineis0.5,surfactantmonomercoexistswithvesicle,lipidbilayervesicledilatesanditssizegradual2lyincreasestobecomeswellinglipidvesicle;whenthemoleratioisbetween0.5and1.0,lipidvesiclebeginstobepartlysolubilizedbysurfactantandbecomesmixedcolloidalmass.Whenthepolarheadofphos2phatidylcholineinlipidbilayerissurroundedbyothergroups,thesignalofthepolarheadofphosphatidylcholinecouldnotbeobservedinthegraphsof1H2NMRandDSC,whichisdifferentfromthephysicochemicalcharac2tersofgeneralliposome.Keywords:liposomemembane;tween280;interactionmechanismXUChuan2lai,YAOHui2yuan(SchoolofFoodScienceandTechnology,SouthernYangtzeUniversity,Wuxi214036,Jiangsu,China)JXSYU2005V.20N.6p.45248PreparationofcationicpolyarylamidemicroemulsionandstudyonitsflocculationperformanceAbstract:ThecationicmonomerofN2(dimethylamino)methylacrylamideissynthesizedusingformalde2hyde,dimethylamineandacrylamidefirst.Then,thecationicpolyacrylamidelatexes(CPAM)withdifferentcationicdegreesarepreparedbyreversedphaseemulsionpolymerization.Thepreparationconditionsareopti2mized.And,theflocculationperformanceoftheproductsisalsostudied.Thebestpreparationconditionsofthecationicmonomerare:thereactiontemperatureis50,themolarratioofacrylamidetoformaldehydetodimethylamineis1:1.2:1,andthereactiontimeis2h.And,thebestcationicdegreeofthepolyacrylamidela2texisachievedundertheaboveoptimumconditions.Theeffectsofthedoseofthemonomer,thedoseoftheini2tiator,theratioofoiltowaterphaseandthereactiontemperatureonthepolyreactionarestudiedbytheorthog2onalexperiments.Theresultsshowthattheproductcanachievethebestflocculatingresultundertheconditionsofthemonomerconcentrationof30%,theinitiatordoseof0.8%,theratioofoiltowaterphaseof1.2:1andthereactiontemperatureof40.CPAMhasthebetterflocculatingeffectondiatomaceousundernormaltem2peratureandsourenvironment.Keywords:polyacrylamide;cation;Mannichreaction;micro2emulsion;flocculationZHUANGXi,LIUMing2hua(CollegeofEnvironmentandResources,FuzhouUniversity,Fuzhou350002,Fujian,China)JXSYU2005V.20N.6p.49252EffectsofultrasonicwaveonthesurfacepropertiesofsolidparticleAbstract:Theeffectsoftheultrasonicwaveofdiff