納米-亞微米級復(fù)合材料性能及土壤植物營養(yǎng)效應(yīng).pdf

1、中國農(nóng)業(yè)科學(xué)院博士學(xué)位論文納米亞微米級復(fù)合材料性能及土壤植物營養(yǎng)效應(yīng)姓名：劉秀梅申請學(xué)位級別：博士專業(yè)：植物營養(yǎng)學(xué)指導(dǎo)教師：張夫道20050601綜上所述，農(nóng)用納米一亞微米級復(fù)合材料可以提高肥料有效性，培肥土壤，改善土壤理化性質(zhì)，提高風(fēng)沙土的蓄水保肥性；農(nóng)用納米一亞微米級復(fù)合材料的制備充分利用了自然界的粘土礦物資源和廢棄塑料垃圾，減少了對環(huán)境的污染，有助于農(nóng)業(yè)的可持續(xù)發(fā)展。關(guān)鍵詞：納米亞微米級復(fù)合材料：性能；吸附；解吸；有機無機復(fù)合體；

2、肥料利用率Characteristicsofnanosubnanoeompositesandresponseofsoilandplantnutritiontothem“uXiurneiDirectedbyProfZhangFudaoAbstractLowutiliz撕onefficiencyoffertilizersdesertificationofsoilsanddegenerationofsoilphysicochemicalcha

3、racteristicswercsomecriticalagriculturalproblemsneededtobesolvedimminentlyinChina，whichwouldrestricttheagnculturalproductionefficiencyandaffecttheecoenvironmentalhealthThedevelopmentandapplicationofNanOfunctionalmaterial

4、sandNanostmctoralmaterialsmadeitpossibletosolvetheseaboveagriculturalproblemsinthatthestudyofsoilsandfertiliz豇scouldUSetheachievementsandtechniquesofthenanometerrnaterialscienceasreferenceandutilizeavailableI℃SOBl“Ce$and

5、researchachievementstoactualizeanewbreakthrou吐progressinthesoilandfertilizerscience111eclaymineralsandabandonedfoamplasficswemavailableinabundanceinChina，andcouldbeu8edtomakeNanocompositesthrou曲oneoriginalintercalationan

6、dliquidsedimentationtechniquenepreparationandtestingofagriculturalnanocompositesandtheirapplicationinSOitsandfertilizerswereinvestigatedsystematicallyinthispaperandthemainresultsandconclusionswereasfollows11Preparationan

7、dtestingofnanomaterialsTwokindsofnanocompositescomprisedmontmorilloniteandkaolinewerepreparedviaSOlutionintercalationmetho正andseveraltestinginstrumentsincludingthescanelectronmicmscope(SEM)，thetransmissionelectronmierosc

8、ope(TEM)，theXraydiffraction(XRD)，thein丘aredrayspectnan(IR)andthelasergranularity(LG)，wereusedtomeasure血enanocompositesTheresultwasthatorganicmattarshadb咖intercalatedwiththelaversofclaysandthemontmorilloniteandkaolinewere

9、exfoliatedintonanometersizeTheorganicmatterandclayshadformednanocompositesthroughhydrogenbondorchemicalcombinationAdditionallytheplasticnanoeompositeswe∞preparedviaemulsificationandwerecutathighvelocitymethods，andthepict

10、uresofSEMshowedthatmanyporesandragasrangedfromlOnmto20mexistedonthesurfaceoffilmThesolutions池entationmethodwasusedtopreparedNanoCaC03andNanoFe203，andtheresultsofSEMandGLindicatedthat出ef；ew口e80％ofNanoFe203particlesinthesc

11、opeof4050rimandtheIewere80％ofNanoCaC03particlesat60hmsize2、AdsorptionanddesorpfloncharacteristicsofnanocomposltesThG=Tewerethesimilarcharacterisficsintheadsorptionanddesorptionoftheclayandplasticnanocompositestonitrogen，