簡介：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學(xué)位級別碩士專業(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)分析姓名趙莉申請學(xué)位級別碩士專業(yè)細胞生物學(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硅藻生態(tài)功能及鐵生近海污染物對硅藻生態(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2010062024分類號密級理學(xué)碩士學(xué)位論文理學(xué)碩士學(xué)位論文近海污染物對硅藻生態(tài)功能及近海污染物對硅藻生態(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學(xué)位級別博士專業(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對映體對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一異丙甲草胺對大型蚤的慢性毒性是其S型的10倍；從產(chǎn)幼蚤數(shù)這個參數(shù)來看，RAC異丙甲草胺對大型蚤的毒性相當(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異丙甲草胺對大型蚤的毒性。從水稻中提取的細胞色素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，對丁草胺的降解速率遠大于對異丙甲草胺的降解速率，對異丙甲草胺的降解速率大于對S對映體的降解速率。除草劑濃度的增加，其降解速率下降，半衰期延長。水稻體內(nèi)細胞色素P450對除草劑的代謝作用是水稻對供試酰胺類除草劑產(chǎn)生選擇性的一個重要原因。植物細胞色素P450對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異丙甲草胺對水稻等敏感植物的藥效差異的一個原因。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；相互作用機理；大型蚤毒性試驗；植物細胞色素P450；II

簡介：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學(xué)位級別碩士專業(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

簡介：碩士學(xué)位論文碩士學(xué)位論文城市河道底泥有機污染物生物化學(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

簡介：分類號UD9密級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)計量法解析共位群內(nèi)捕食系統(tǒng)的共存問題申請人金艷學(xué)號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

簡介：單位代碼幽學(xué)號2012170429分類號幽奪肥工學(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間2Q生圣目ADISSERTATIONSUBMITTEDFORTHEDEGREEOFMASTERMICROORL臣ANISMSINFLUENCEBIOCHEMICALMSMILUENCE10CLLEMTRANSFORMATIONOFROXARSONEINSOILBY，一一●LENGTANGLLANGHEFEIUNIVERSITYOFTECHNOLOGYHEFEI，ANHUI，PRCHINAMARCH，2015

簡介：獨創(chuàng)性聲明本人聲明所呈交的論文是我個人在導(dǎo)師指導(dǎo)下進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本研究所做的任何貢獻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間二比年當(dāng)月2‘日導(dǎo)師簽名時間矽亭厶、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

簡介：分類號密級太原理工大學(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、機動車尾氣塵、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)燃燒塵為研究對象，研究了其化學(xué)組成特點。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)為研究對象，進行燃燒實驗，用武漢天虹TH150C型中流量大氣綜合采樣儀對排放的煙塵進行采集，采用德國生產(chǎn)的ELEMENTARANALYSENSYSTEMEGMBHVARIOELCUBE型元素分析儀直接測定樣品中的總碳（TOTALCARBON，TC）和有機碳（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種水溶性無機離子；采用美國熱電公司IRISINTREPIDIIXSP型等離子體發(fā)射光譜儀對麥稈、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種無機元素進行測定；與空氣顆粒物的其它源的化學(xué)組分進行了比較；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

簡介：山東師范大學(xué)博士學(xué)位論文單位代碼10445學(xué)號2008010061分類號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)申請人姓名申請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間論文提交時間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本研究所做的任何貢獻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