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1、AbstraCtABSTRACTThisthesisinvestigatedfirstlythesynthesisoful1rafineulcke1poWdersbyliquidp靦ereductionmethodTheinuencesofPHvalue，NiZ十concentration，PolyVinylPyrolidone(PVP)concentratlo幾SDSconcentralionandreactlontemPeratureonParticlediameter，morphologyofnickelPowderswereinvest1gatedrespectiv
2、elybyX-ray，im昭eanalysismeterandlasergrallu』而tyanalysismeter.TheresultsshowedPHva1Llea月七ctedthevelocityofreactionandPurityofnickel即wders;BOthSDSandPVpretardedthevelocityofreactiongreatly，andProPerconcentrationofthemcouldcol1trolnicke1Powdersgranl11arity;ThePolygonal，gooddisPersibilityandthe
3、averageParticlediameteraro助dl協(xié)multrafinenickelpowderscouldbesynlbes流dwi山55℃，PH=13，bothNiZ十a(chǎn)ndsns。oncentrationis0.1259/nll.ThroughstudyonthecourseProductsofreacti嘰Theresultsshowed[N12+]/困2H4]coulddirectlyafectre叭ionmechanism·Second】y)NickelpowderscomPositeswithethoxylineisPreParedandnickel卯
4、wdersispreParedbyPreviousmethod.studyonitsPropeniesshowedtheencaPsulationmaterialssoftn1agnetismpe而rmancebecanlebeller誠thmore垃ckelPowderslnlowfrequency，self-inductance(L)deeraseobviously.Q一偽ctorbasalnlostlinearityrelationshiP誡thfrequency.從飛enmassratioofa‘elonetoe1hoxylneis0.2and0.4resPecti
5、vely，theencapsulationmalerlalsLval訛明dQva】tledecrasewithmorePA65O.Butwhenmassrati。。f朗etonetoethoxvlineis眾6，theLvalueandQvalueincreasewithmorePA65O.ThroughsludyoncolnP0sitemetallicphase妙metallograPhicmicroscope，theresultsshowedwhenmassratioofnickel加Wderstoethoxylineiso.25，nickelpowdersisnot銘
6、腳gatio幾butwhenmassratioofnickelPowderstoe1hOxylineisbiggerthan0.25，therislotsof眼『egation.A扣1ealingbadliuleinfluenceonmeta11icPhasemicroscoPicstructUre.Tl廿oughstudyonanealingtreatmentofcomPosite，theresultsshowedtheontima1timeandtemperatureofanealingisthalld8o℃respectivelv.andProPeranealingt
7、reatmentcou1dincreaseComP0sitemagnetOconduct1vityis268.33nH/m儷thfis500kwhenmassratioofethoxyline，PA650，即etoneandnickelpowdersisl，1，0.6，1.Keywords:preParation;liquidPhasereduction;comPosite;ethoxyline學(xué)位論文獨創(chuàng)性聲明學(xué)位論文獨創(chuàng)性聲明本人聲明所呈交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進行的研究工作及取得的研究成果.據(jù)我所知，除
