簡(jiǎn)介：西北師范大學(xué)碩士學(xué)位論文探究式教學(xué)在中等衛(wèi)生學(xué)校生物化學(xué)教學(xué)中的應(yīng)用研究姓名張信申請(qǐng)學(xué)位級(jí)別碩士專業(yè)學(xué)科教學(xué)生物指導(dǎo)教師龔大潔20071101ABSTRACTINNEWCENTURYTHENEWBASICEDUCATIONREFORMINCHINABEGINSINTHISREFORMINQUIRYTEACHINGWHICHENCOURAGESSTUDENTSTOPARTICIPATEINACTIVELYINQUIREHAPPILYANDPERFORMGLADLYOBTAINSMOREANDMOREAHENFIONANDBECOMESONEOFIMPORTANCEOFTHISBASICEDUCATIONREFORMHOWEVER，INPROFESSIONALEDUCATIONESPECIALLYSECONDARYPROFESSIONALEDUCATIONTHERESEARCHONHOWTOUSEINQUIRETEACHINGT0AROUSETHESTUDENTS’INTERESTSISNOTMUCHTHEPURPOSEOFTHISSTUDYISTOFINDTHEEFFECTIVEWAYOFIMPROVINGTHESTUDENTS’LEARNINGABILITYANDINTERESTACCORDINGTOUSINGINQUIRYTEACHINGINBIOCHEMISTRYTEACHINGINSECONDARYHEALTHSCH001THISSTUDYISTHEACTIONRESEARCHITBASESONALOTOFFITEMTUREREVIEWANDDESCRIBESTHECONCEPTRATIOHAL，COMMONFEATURESANDTHEBASICPATTERNOFINQUIRYSTUDYITANALYZESTHESITUATIONOFTHEPROFCSSIONALEDUCATIONANDTHEFEASIBILITYOFINQUIRYSTUDYINBIOCHEMISTRYTEACHINGINSECONDARYHEALTHSCH001THEEXPERIMENTCHOOSESTWOCLASSESASTHEEXPERIMENTALCLASSANDCONNOLCLASS，INWHICHTHEGRADUATIONSOL3RES，THEMALEANDFEMALERATESARESIMILARTHEEXPERIMENTLASTSFORONETERMTHEINQUIRYSTUDYPATTERNISUSEDINTHEEXPERIMENTALCLASSANDTHETRADITIONALTEACHINGPATTERNISUSEDINTHECONTROLCLASSAFTERTHEEXPERIMENT，AQUESTIONNAIREISUSEDINTHESETWOCLASSES田“RESULTSSHOWSTHATTHEINTERESTSCONCENTRATIONCOMPREHENSIONCOOPERATIONCONSCIOUSNESS，IEARNINGINITIATIVEANDCOLLSCIOUSNESSOFMAINBODYNFTHESTUDENTSINTHEEXPERIMENTALCLASSARCBETTERTHANINTHECONTROLCLASSWHENTHEYLEARNBIOCHEMISTRYITISPROVEDTHATINQUIRYSTUDY鋤IMPROVETHESTUDENTS’INTERESTSINBIOCHEMISTRYLEARNINGANDTRAINTHEIRCONSCIOUSNESSOFCOOPERATIONANDMAINBODYACCORDINGTOTHEEXPERIMENTFORONETERMSOMEPROBLEMSEXISTFIRSTLYTEACHERSAREDEFICIENTINTHEIDEOLCI百CALUNDE巧TANDINGANDTEACHINGCOMMUNICATION；SECONDLYLNQUIRYTEACHINGREQUIRESTEACHERST0HAVEBETTERCOMPREHENSIVEATTAINMENTBETTERKNOWLEDGELEVELANDBETTERABILITYTOMANAGETHECLASS；THIRDLYTHEABILITYTOASKQUESTIONSINDEPENDENTLYOFSTUDENTSNEEDTOBEIMPROVED；FOURTHLYBECAUSENOTALLCONTENTSARESUITABLETOBETAUGHTWITHINQUIRYTEACHERS伽NOTFOLLOWINQUIRYTEACHINGLIKEASHEEPANDITDEPENDSUPONTHETEACHINGCONTENTSANDREALSITUATIONINQUIRYTEACHINGHASITSOWNADVANTAGES；HOWEVERITALSOHASITSLIMITATIONS。INGENERAL，ITDOESMOREGOODTHANHARMESPECIALLYINTHECURRENTSYSTEMOFEDUCATION，INQUIRYTEACHINGSHOULDBCADVOCATEDINSECONDARYPROFESSIONALEDUCATIONT0AROUSETHESTUDENTS’INTERESTSINLEARNINGANDIMPROVETHEIRGENERALQUALITYT0MEETTHEREQUIREMENTOFNEWTIMESINQUIRYTEACHINGSECONDARYPROFESSIONALEDUCATIONBIOCHEMISTRYTEACHINGAPPLIEDH1

簡(jiǎn)介：天津師范大學(xué)碩士學(xué)位論文東亞飛蝗體內(nèi)主要營養(yǎng)成分的生物化學(xué)分析姓名趙莉申請(qǐng)學(xué)位級(jí)別碩士專業(yè)細(xì)胞生物學(xué)指導(dǎo)教師彭永康20080401東啞飛蜱體內(nèi)主要營養(yǎng)成分的生物化學(xué)分析摘要BIOCHEMICALANALYSISANDEVALUATIONOFMAINNUTRITIONALCOMPONENTSOFLOCUSTAMIGRATORIAMANILENSISMEYENABSTRACTASTHEDETERIORATINGOFOURENVIRONMENT，THEKINDSOFFOODTHATWECOULDEATSEEMSMUCHSMALLERTHANEVERBEFORESOITBECOMESMUCHMOREIMPORTANTTOFINDSOMEOTHERFOODRESOURCESINTHEPASTFEWYEARS，PEOPLEPAIDMOREANDMOREATTENTIONTOTHERESEARCHOFINSECTSANDRESEARCHERSFOUNDTHATTHEREWEREMANYNUTRITIONALCOMPONENTSININSECTSLOCUSTAMIGRATORIAMANILENSISMEYENISAKINDOFPESTINPEOPLE’SMINDASTHEDEVELOPINGOFSCIENCE，RESEARCHERSPAYMOREANDMOREATTENTIONTOHOWTOREDUCETHECALAMITYINDUCEDBYLOCUSTAMIGRATORIAMANILENSISMEYENINTHISPAPERWEANALYZELOCUSTAMIGRATORIAMANILENSISMEYENFROMADIFFERENTASPECTINORDERTOOBTAINMANYKINDSOFNUTRITIONALCOMPONENTSFROMITUSINGTHEGB廠R500932003TODETERMINEITSCONTENTOFMOISTURE，THERESULTWAS7839％ACCORDINGTOKJELDAHL’SMETHODS，WEDETERMINEDITSCONTENTOFCRUDEPROTEIN，THERESULTWAS7518％ACCORDINGTOCOLRIMETRYOFSULFURICACIDANTHRONEMETHODS，WEDETERMINEDITSCONTENTOFCARBOHYDRATE，THERESULTWAS639％ACCORDINGTOSOXHLCT’SMETHODSWEDETERMINEDITSCONTENTOFCRUDEFATTHERESULTWAS9962％ACCORDINGTOGCMETHODS，WEDETERMINEDITSCONTENTOFFATTYACID，ANDTHERESULTSHOWEDTHEREWEREMULTIUFASINITACCORDINGTOHPLCMETHODS，WEDETERMINEDITSCONTENTOFMONOSACCHARIDES，ANDITSHOWEDTHATTHEREWEREGLUCOSERHAMNOSEGALACTOSEINLOCUSTAMIGRATORIAMANILENSISMEYENFROMTHEABOVEDATUM，WECOULDCONCLUDETHATLOCUSTAMIGRATORIAMANILENSISMEYENISAKINDOFINSECTSWIMHIGHPROTEIN、LOWFAT、LOWCARBOHYDRATE、RICHCONTENTOFFATTYACIDANDMICROELEMENT、SEVERALKINDSOFMONOSACCHARIDESSOITISOBVIOUSTHATLOCUSTAMIGRATORIAMANILENSISMEYENISAVERYUSEFULNATURALFOODⅡ

簡(jiǎn)介：理學(xué)碩士學(xué)位論文學(xué)碩士學(xué)位論文近海污染物對(duì)硅藻生態(tài)功能及鐵生近海污染物對(duì)硅藻生態(tài)功能及鐵生物化學(xué)地球循環(huán)的影響物化學(xué)地球循環(huán)的影響劉鳳嬌劉鳳嬌閩南師范大學(xué)二○一三年六月學(xué)校代碼10402學(xué)號(hào)2010062024分類號(hào)密級(jí)理學(xué)碩士學(xué)位論文理學(xué)碩士學(xué)位論文近海污染物對(duì)硅藻生態(tài)功能及近海污染物對(duì)硅藻生態(tài)功能及鐵生物化學(xué)地球循環(huán)的影響鐵生物化學(xué)地球循環(huán)的影響學(xué)位申請(qǐng)人劉鳳嬌指導(dǎo)教師李順興教授學(xué)位類別理學(xué)碩士學(xué)科專業(yè)分析化學(xué)授予單位閩南師范大學(xué)答辯日期二○一三年六月

簡(jiǎn)介：浙江大學(xué)博士學(xué)位論文酰胺類除草劑的生物化學(xué)行為以及手性選擇性行為研究姓名劉惠君申請(qǐng)學(xué)位級(jí)別博士專業(yè)環(huán)境科學(xué)指導(dǎo)教師劉維屏20050508⑧浙江大學(xué)博士學(xué)位論文甲草胺，而S對(duì)映體對(duì)大型蚤的慢性毒性作用小于RAC異丙甲草胺。大型蚤的生存期和胎數(shù)等參數(shù)的結(jié)果表明RAC一異丙甲草胺對(duì)大型蚤的慢性毒性是其S型的10倍；從產(chǎn)幼蚤數(shù)這個(gè)參數(shù)來看，RAC異丙甲草胺對(duì)大型蚤的毒性相當(dāng)于S型毒性的100倍S型的NOEC為O1MG／L，RAG一的NOEC為0001MG／L。低濃度的S異丙甲草胺比RAC異丙甲草胺對(duì)環(huán)境生物大型蚤的毒性要低。環(huán)境因素腐殖酸、蒙脫石、PH和硬度影響了S異丙甲草胺對(duì)大型蚤的毒性。從水稻中提取的細(xì)胞色素P450與供試除草劑作用的VMAX為丁草胺丙草胺異丙甲草胺S異丙甲草胺，對(duì)丁草胺的降解速率遠(yuǎn)大于對(duì)異丙甲草胺的降解速率，對(duì)異丙甲草胺的降解速率大于對(duì)S對(duì)映體的降解速率。除草劑濃度的增加，其降解速率下降，半衰期延長(zhǎng)。水稻體內(nèi)細(xì)胞色素P450對(duì)除草劑的代謝作用是水稻對(duì)供試酰胺類除草劑產(chǎn)生選擇性的一個(gè)重要原因。植物細(xì)胞色素P450對(duì)異丙甲草胺的代謝作用的差異可能是導(dǎo)致RAC異丙甲草胺和S異丙甲草胺對(duì)水稻等敏感植物的藥效差異的一個(gè)原因。關(guān)鍵詞酰胺類除草劑手性選擇性土壤酶活性土壤微生物量；相互作用機(jī)理；大型蚤毒性試驗(yàn)；植物細(xì)胞色素P450；II

簡(jiǎn)介：蘭州大學(xué)碩士學(xué)位論文還原屏障的滲透性及其生物化學(xué)變化姓名高全全申請(qǐng)學(xué)位級(jí)別碩士專業(yè)環(huán)境工程指導(dǎo)教師張虎元20080601ABSTRACTTHECONCEPTOFREDUCINGBARRIERISINTRODUCEDBYPROFESSORHUYUANZHANGFIRSTLYTHATISANARTIFICIALLAYERFORWATERPROVING，INWHICHTHEMICROBIALANAEROBICRESPIRATIONSAREINTENSIFIEDITISUSEDTOOBSTRUCTANDENVELOPHEAVYMETALCONTAMINANTSINTHEFACILITIESABOUTWASTEPROCESSINGTHETHEORYOFREDUCINGBARRIERISALEARNEDINNOVATIONTHEPURPOSEOFTLLISRESEARCHISTOSTUDYTHEOSMOTICCHARACTERISTICANDBIOCHEMICALCHANGESOFSEWAGESLUDGE邪MATERIALOFREDUCINGBARRIERBECAUSEOFITSHIGHCONTENTSOFORGANICCOMPOUNDSANDMICROORGANISMS，ANDTOEXAMINEITSEFFECTSFORIMMOBILIZINGHEAVYMETALSSUCHASFE，ZNANDCD，INORDERTEALIZETHEAIDOFCONTROLLINGWASTES、析TLLWASTESANDDEVELOPANEWMETHODFORUTILIZATIONOFSEWAGESLUDGEASRESOURCETHESEWAGESLUDGEFROMSEWAGEPROCESSINGPLANTOFLANZHOUUNIVERSITYISMAINMATERIALINTHISRESEARCHTHEFLEXIBLEWALLPENETROMETERISUSEDINTHESOLIDIFICATIONANDSEEPAGETESTSUNDER100KPA200KPAAND300KPASOLIDIFICATIONPRESSUREITGAINSHYDRAULICCONDUCTIVITYRESULTS，THOSEARE11912X108CMS1，08825X10SCMS1AND06335X10“8CMS1RESPONDINGTOLOOKPA，200KPAAND300KPASOLIDIFICATIONPRESSURETHROUGHANALYZINGANDSTUDYINGTHEDATAABOUTEHPHANDECFROMTHETESTS，THEFOLLOWINGCONCLUSIONSCANBEDRAWNTHESEWAGESLUDGEHASVERYLOWHYDRAULICCONDUCTIVITYUNDER100KPA，200KPAAND300KPSOLIDIFICATIONPRESSURE，ANDITMAYSUBSTITUTECLAYK10～CMS1ASBARRIERMATERIALINPOINTOFOSMOSIS；THEINCREASINGDRYDENSITYANDDECREASINGHYDRAULICCONDUCTIVITYAREOCCURED謝TLLTHEINCREASINGPRESS，ANDMICROBIALACTIVITIESINTHESAMPLESAREINHIBITEDONSOMEEXTENT；THATISFOUNDCONCENTRATIONOFFEINTHELEACHATEOFALLSAMPLESALEREDUCEDTHELEVELOFUNDERLOWLIMITO02PPMOFTHEAPPARATUSAFTER50DAYS，ANDCONCENTRATIONOFZNANDCDAREUNDERLOWLIMITO02PPMOFTHEAPPARATUSFROMBEGINNINGTOEND；THESECANVALIDATETHATREDUCINGBARRIERMADEOFSEWAGESLUDGEHASVERYSATISFYINGIMMOBILIZATIONEFFECTSFORTHESETHREEHEAVYMETALS，ESPECIALLYZNANDCDKEYWORDSREDUCINGBARRIERHYDRAULICCONDUCTIVITYMICROORGANISM，BIOCHEMICALCHANGE，REDOXREACTION

簡(jiǎn)介：碩士學(xué)位論文碩士學(xué)位論文城市河道底泥有機(jī)污染物生物化學(xué)聯(lián)用修復(fù)技術(shù)研究STUDYONBIOCHEMICALREMEDIATIONTECHNOLOGYFGANICPOLLUTANTSINURBANRIVERCONTAMINATEDSEDIMENT吳小菁吳小菁哈爾濱工業(yè)大學(xué)哈爾濱工業(yè)大學(xué)2013年12月CLASSIFIEDINDEXX7031UDC6283DISSERTATIONFTHEMASTERDEGREEINENGINEERINGSTUDYONBIOCHEMICALREMEDIATIONTECHNOLOGYFGANICPOLLUTANTSINURBANRIVERCONTAMINATEDSEDIMENTCIDATEWUXIAOJINGSUPERVISPROFDONGWENYIACADEMICDEGREEAPPLIEDFMASTERDEGREEINENGINEERINGSPECIALITYMUNICIPALENGINEERINGAFFILIATIONSHENZHENGRADUATESCHOOLDATEOFDEFENCEDECEMBER2013DEGREECONFERRINGINSTITUTIONHARBININSTITUTEOFTECHNOLOGY

簡(jiǎn)介：分類號(hào)UD9密級(jí)J蟹開舅秀廬夕擎碩士研究生學(xué)位論文利用生物化學(xué)計(jì)量法解析共位群內(nèi)捕食系統(tǒng)的共存問題申請(qǐng)人金艷學(xué)號(hào)2111091培養(yǎng)單位數(shù)學(xué)科學(xué)學(xué)院學(xué)科專業(yè)應(yīng)用數(shù)學(xué)研究方向微分方程數(shù)值方法指導(dǎo)教師張繼民副教授完成日期2014年3月14日ABSTRACTITISWELLKNOWNTHATINTRAGUILDPREDATION，WHICHSTATESTHATAPREDATORSPECIESCONSUMESANOTHERPREDATORSPECIESANDCOMPETESFORTHESAMEPREYSPECIES，INCLUDESPREDATIONANDCOMPETITION，ANDHASBEENPLAYINGANIMPORTANTROLEINTHESTUDYOFECOLOGICALSYSTEMSBIOLOGICALSTOICHIOMETRYASAMETHODTOEXPLAINECOLOGICALDYNAMICSBYRESEARCHINGTHEBALANCEOFMULTIPLECHEMICALELEMENTSINTHEECOSYSTEMHASBEENWIDELYAPPLIEDTOTHESTUDYOFBIODYNAMICSYSTEMANDPROVIDESANIMPORTANTTHEORETICALBASISFORTHESTABILITYOFBIOLOGICALSYSTEMSANDTHEPROTECTIONOFBIODIVERSITYTHEPAPERFOCUSESONTHECOEXISTENCEPROBLEMOFINTRAGUILDPREDATIONWITHTHEHELPOFTHEBIOLOGICALSTOICHIOMETRYBASEDONTHEELEMENTSCANDP，WEFIRSTCONSTRUCTANEWINTRAGUILDPREDATIONMODELWITHTHEBIOLOGICALSTOICHIOMETRYTHENWEPROVETHATTHETHREESPECIESININTRAGUILDPREDATIONWITHTHEBIOLOGICALSTOICHIOMETRYCANCOEXISTINCERTAINCONDITIONSUNDERTHEANALYSISOFTHEECOLOGICALMATRIXANDMANYNUMERICALSIMULATIONITISWORTHNOTINGTHATTHERELATIONBETWEENS1THEPCININTRAGUILDPREDATORAND82THEPCININTRAGUILDPREYPLAYSAKEYROLEINTHECOEXISTENCEKEYWORDSBIOLOGICALSTOICHIOMETRY；INTRAGUILDPREDATION；ECOLOGICALMATRIX；PC

簡(jiǎn)介：?jiǎn)挝淮a幽學(xué)號(hào)2012170429分類號(hào)幽奪肥工學(xué)大警HEFEIUNIVERSITYOFTECHNOLOGY碩士學(xué)位論文MASTER，SDISSERTATION論文題目攮邀生物型盜克迦勝生物化堂整絲的髭響硒塞學(xué)位類別童些亟專業(yè)名稱建笪皇本工程作者姓名梁騰左導(dǎo)師姓名隧國炷副塾援完成時(shí)間2Q生圣目ADISSERTATIONSUBMITTEDFORTHEDEGREEOFMASTERMICROORL臣ANISMSINFLUENCEBIOCHEMICALMSMILUENCE10CLLEMTRANSFORMATIONOFROXARSONEINSOILBY，一一●LENGTANGLLANGHEFEIUNIVERSITYOFTECHNOLOGYHEFEI，ANHUI，PRCHINAMARCH，2015

簡(jiǎn)介：獨(dú)創(chuàng)性聲明本人聲明所呈交的論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得寧夏大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說明并表示了謝意。研究生簽名韓絲塑時(shí)間五F6年占月26日關(guān)于論文使用授權(quán)的說明本人完全了解寧夏大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，即學(xué)校有權(quán)保留送交論文的復(fù)印件和磁盤，允許論文被查閱和借閱，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。同意寧夏大學(xué)可以用不同方式在不同媒體上發(fā)表、傳播學(xué)位論文的全部或部分內(nèi)容。保密的學(xué)位論文在解密后應(yīng)遵守此協(xié)議研究生簽名韓么叢時(shí)間二比年當(dāng)月2‘日導(dǎo)師簽名時(shí)間矽亭厶、年I刪日∥唧涉一寰ABS竹ACTFENCINGASANIMPORTANTMEASUREOFECOLOGICALRESTORATION，THEECOLOGICALEFFECTSWHICHBROUGHTHASBECOMETHEFOCUSOFRESEARCHOFRESTORATIONECOLOGY．SINCETHECONVERSIONOFC，N，PCYCLEOFVEGETATION,SOILANDMICROBIALAPPEAREDINTHEINTERNALECOSYSTEM，TOSTUDYC，N，PANDEXCHANGEPATTERNSINPLANTSANDSOILISBENEFICIALTOUNDERSTANDDEEPLYOFCHEMOMETRICSCOVARIANTRELATIONSHIPOFTHECOMPONENTSOFECOLOGICALRECOVERYSYSTEMTHATFENCEGRAZING,REVEALTHEMAINTAINMECHANISMOFDESERTSTEPPEECOSYSTEM．ARESEARCHCONDUCTEDONTHEDESERTSTEPPEOFNINGXIA．ITISBENEFICIALTOANALYZETHEIMPACTONPLANTS，SOILANDSOILMICROBESOFDIFFERENTENCLOSEDYEARSINDESERTSTEPPEBYANALYZINGCOMPARELYENCLOSEDYEARSOF5，8，12ANDL5，SUCHASTHECARBONANDNITROGENOFPLANTS，SOILMICROBIALBIOMASSASWELLASTHECHANGEANDLAWINPROCESSOFSOILENZYMEACTIVITIES．ITCANPROVIDETHEFOLLOWINGCONCLUSIONS1．THEGROWTHOFPLANTHASBENEFITRESTORATIONINDESERTSTEPPEWHICHISFENCING，SPECIFICALLYINTHEABOVEGROUNDBIOMASSOFENCLOSEDYEARSOF5，8，12AND15ISHIGHERTHANITINGRAZINGLAND．THEHEIGHT，COVERAGE，ABOVEGROUNDBIOMASSOFVEGETATIONCHARACTERISTICSALSOSHOWEDSIMILARVARIATION，WHICHSHOWEDATRENDOFINCREASEDFIRSTLYANDREDUCEDLASTLY．THECARBON，NITROGEN,CPANDNPRATIOINABOVEGROUNDOFDOMINANTPLANTINENCLOSEDPLOTSWEREHIGHERTHANITINGRAZINGPLOT。2．THESOILBULKDENSITYSHOWEDATRENDOFREDUCEDFIRSTLYANDINCREASEDLASTLYWITHTHEINCREASEOFTHEENCLOSED；SOILWATERCONTENTSHOWEDAREVERSEVARIATION，WHICHISRISINGFIRSTLYANDDECREASELASTLY；FENCINGCOULDREDUCETHESOILPHVALUE。3．THESOILORGANICCARBON，TOTALNITROGENANDTOTALPHOSPHORUSINENCLOSEDPLOTWHICHFENCINGINDESEFTSTEPPEWEREHIGHERTHANITINGRAZINGPLOGANDSHOWEDSIMILARVARIATIONWITHTHEINCREASEOFTHEENCLOSEDON12YEARS，ITHASTHEMAXIMUM，DECREASINGTRENDWASCUREDAFTERTHEENCLOSEDYEARSCONTINUETOINCREASE．SOILMICROBIALBIOMASSCARBONANDNITROGENWEREHIGHERTHANITINGRAZINGPLOT，WHICHINDICATEDTHATTHEMEASURESTAKENINTHEDESERTSTEPPECANPROMOTESOILMICROBIALACTIVITY，THEREBYENHANCINGTHEMICROBIALBIOMASS．MEANWHILE，THEMICROBIALBIOMASSCNRATIOSHOWEDATRENDOFDECREASEDFIRSTLYANDINCREASEDLASTLYWITHTHEINCREASEOFTHEENCLOSED．4．SOIIUREASE，INVERTASE，CATALASEANDALKALINEPHOSPHATASEACTIVITYDIDNOTSHOWACLEARLAW．SOILENZYMEACTIVITIESAFFECTEDBYMANYFACTORS，ASTOTHEREASON，WENEEDAFIARTHERSTUDY．5．WEFOUNDTHATTHERELATIONSHIPBETWEENPLANTS，SOILANDMICROORGANISMSAFTERFENCING，THEINTERACTIONBETWEENTHEMCARLIMPROVETHERECOVERYOFTHEGRASSLAND．THERESULTSOFTHESTUDYSHOWEDTHATTHEVEGETATIONRESTORATION,SOILNUTRIENTCANBEIMPROVEDSIGNIFICANTLYINTHEEARLYSTAGEOFFENCINGINNINGXIADESERTSTEPPE．BUTIFTHEENCLOSUREISLONGERTHAN12YEARS，THEVEGETATIONPRODUCTIVITYANDSOILNUTRIENTWILLBEDECREASED．KEYWORDSDESERTSTEPPE；ENCLOSEDYEARS；PLANT；SOIL；MICROORGANISM；STOICHIOMETRYII

簡(jiǎn)介：分類號(hào)密級(jí)太原理工大學(xué)碩士學(xué)位論文題目農(nóng)林生物質(zhì)燃燒排放的大氣顆粒物化學(xué)組分研究英文并列題目研究生姓名劉海利學(xué)號(hào)2013520438專業(yè)環(huán)境工程研究方向大氣污染與防治導(dǎo)師姓名彭林職稱教授學(xué)位授予單位太原理工大學(xué)論文提交日期2016/06地址山西太原太原理工大學(xué)STUDYONCHEMICALCOMPONENTSOFATMOSPHERICPARTICULATESFROMEMISSIONOFAGRICULTURALANDFORESTRYBIOMASSBURNING太原理工大學(xué)碩士研究生學(xué)位論文I農(nóng)林生物質(zhì)燃燒排放的大氣顆粒物化學(xué)組分研究摘要隨著環(huán)境保護(hù)工作的不斷深入，生物質(zhì)燃燒帶來的空氣顆粒物污染問題越來越引起社會(huì)的關(guān)注?？諝忸w粒物污染最主要的來源有煤煙塵、土壤塵、機(jī)動(dòng)車尾氣塵、二次顆粒物塵、生物質(zhì)燃燒塵等，為了更好的解析空氣顆粒物的來源，必須精準(zhǔn)研究各種塵的化學(xué)組分，故該研究主要以農(nóng)林生物質(zhì)燃燒塵為研究對(duì)象，研究了其化學(xué)組成特點(diǎn)。以呂梁和晉城的小米稈、豆稈、玉米稈、麥稈、樹葉和草葉6種典型農(nóng)林生物質(zhì)為研究對(duì)象，進(jìn)行燃燒實(shí)驗(yàn)，用武漢天虹TH150C型中流量大氣綜合采樣儀對(duì)排放的煙塵進(jìn)行采集，采用德國生產(chǎn)的ELEMENTARANALYSENSYSTEMEGMBHVARIOELCUBE型元素分析儀直接測(cè)定樣品中的總碳（TOTALCARBON，TC）和有機(jī)碳（ORGANICCARBON，OC）的質(zhì)量濃度；采用青島盛瀚CIC200型離子色譜儀分析樣品中的K、NA、CA2、MG2、NH4、F、CL、SO42和NO3等9種水溶性無機(jī)離子；采用美國熱電公司IRISINTREPIDIIXSP型等離子體發(fā)射光譜儀對(duì)麥稈、豆稈和玉米稈燃燒塵樣品中的K、NA、MG、CA、AL、CD、TI、V、CR、NI、CU、ZN、FE、MN、AS、PB、CO等17種無機(jī)元素進(jìn)行測(cè)定；與空氣顆粒物的其它源的化學(xué)組分進(jìn)行了比較；分析農(nóng)林生物質(zhì)燃燒塵中離子之間的相關(guān)性。研究結(jié)果表明（1）6種農(nóng)林生物質(zhì)燃燒塵中，TC在顆粒物中所占比例介62377346之間，碳組分是生物質(zhì)燃燒塵的重要組成部分。其中尤其以樹葉燃燒塵中碳組分的百分含量最大，占7346；其次是草葉燃燒塵，占6820；而小

簡(jiǎn)介：山東師范大學(xué)博士學(xué)位論文單位代碼10445學(xué)號(hào)2008010061分類號(hào)X142博士學(xué)位論文論文題目富營養(yǎng)化湖泊沉積物富營養(yǎng)化湖泊沉積物水界面重金屬水界面重金屬釋放的生物化學(xué)過程研究釋放的生物化學(xué)過程研究學(xué)科專業(yè)名稱學(xué)科專業(yè)名稱自然地理學(xué)自然地理學(xué)申請(qǐng)人姓名申請(qǐng)人姓名魯成秀成秀指導(dǎo)教師成杰民杰民教授教授論文提交時(shí)間論文提交時(shí)間2016年6月10日山東師范大學(xué)研究生學(xué)院制山東師范大學(xué)博士學(xué)位論文獨(dú)創(chuàng)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(jìn)行的研究工作及取得的研究成果。據(jù)我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得（注如沒有其他需要特別聲明的，本欄可空）或其他教育機(jī)構(gòu)的學(xué)位或證書使用過的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說明并表示謝意。學(xué)位論文作者簽名學(xué)位論文版權(quán)使用授權(quán)書學(xué)位論文版權(quán)使用授權(quán)書本學(xué)位論文作者完全了解學(xué)校學(xué)校有關(guān)保留、使用學(xué)位論文的規(guī)定，有權(quán)保留并向國家有關(guān)部門或機(jī)構(gòu)送交論文的復(fù)印件和磁盤，允許論文被查閱和借閱。本人授權(quán)學(xué)校學(xué)?？梢詫W(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進(jìn)行檢索，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。（保密的學(xué)位論文在解密后適用本授權(quán)書）學(xué)位論文作者簽名導(dǎo)師簽字簽字日期20年月日簽字日期20年月日