納米-亞微米級復合材料性能及土壤植物營養(yǎng)效應.pdf

1、中國農業(yè)科學院博士學位論文納米亞微米級復合材料性能及土壤植物營養(yǎng)效應姓名：劉秀梅申請學位級別：博士專業(yè)：植物營養(yǎng)學指導教師：張夫道20050601綜上所述，農用納米一亞微米級復合材料可以提高肥料有效性，培肥土壤，改善土壤理化性質，提高風沙土的蓄水保肥性；農用納米一亞微米級復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，有助于農業(yè)的可持續(xù)發(fā)展。關鍵詞：納米亞微米級復合材料：性能；吸附；解吸；有機無機復合體；

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，