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簡(jiǎn)介:Y1530882碩士學(xué)位論文承建非洲國(guó)家制藥廠項(xiàng)目的實(shí)踐研究PRACTICALSTUDYONCONSTRUCTINGPROJECTOFAFRICANPHARMACEUTICALFACTORY專業(yè)王直筐堡研究生王太創(chuàng)天津大學(xué)管理學(xué)院2008年7月ABSTRACTTHEPAPERDISCUSSESTHECOMPETITIVEENVIRONMENTAROUNDCHINESEPHARMACEUTICALENTERPRISESWHOWILLGOABROADANDESTABLISHPHARMACEUTICALFACTORYINAFHCANCOUNTRIESUNDERTHEINFLUENCEOFECONOMICGLOBALIZATION,ANDANALYZESSOMEFACTORSTHATBLOCKTHEAIMFULFILLMENTOFCONSTRUCTINGTHEPHARMACEUTICALPROJECT.THENWEPOINTOUTTHECONSTRUCTPROCESSINGMODELANDTHREEGRADESCONCLUDETHEWORKBREAKDOWNSTRUCTUREINDETAIL.THEPAPERBUILDTHEFUNDAMENTALFRAMEWORKTHATMADEITEASIERFORTHECOMPUTERIZINGMANAGEMENTANDDIDBASICWORKFORRECONSTRUCTINGSAMEPROJECTINAFRICANCOUNTRIES.ASSORTOFMANUFACTURINGPROJECT,THESCOPEMANAGEMENTMUSTBECONCERNEDABOUTTHESPECIALREQUIREMENTSOFGOODMANUFACTURINGPRACTICEGMPANDGOODSALESPRACTICEGSP.THEPAPERCONCLUDESTHEMAINPOINTSOFSCOPEMANAGEMENTAFTERSTUDYINGTHECOMPLICATIONANDPARTICULARITYOFPHARMACEUTICALPROJECT.ITALSOMAKESTHATCLEAROFTHEMAINMETHODFORAVOIDINGRISKS,STRATEGYOFINTERCULTURALCOMMUNICATION.THEINNOVATIONIDEAOFPROJECTINTEGRATIONISTOSOLUTETHEPROBLEMSOFMARKETNARROWNESSINPOVE啊AFRICANCOUNTIESTHATWEHAVEMENTIONEDABOVEANDTOGETCOMPETITIVEADVANTAGE.THEMETHODOLOGICALSTUDYTHEORYANDFOUNDATIONOFTHISPAPERISBASEDONPROJECTMANAGEMENTBODYOFKNOWLEDGEPMBOK.ATLAST,THEPAPERDEMONSTRATESTHEFEASIBILITYANDOPERABILITYOFMANAGEMENTINTEGRATIONMODELBETWEENGROUPDOMESTICANDABROADWITHREALCASEOFFRANCEVILLEPHARMACEUTICALFACTORYINGABON.THENWEGETOPERATIONFRAMEWORKOFMULTIFACETEDMARKETS,ATTHESAMETIME,WEGETSOMECONCLUSIONSANDPREVIEWTHEPROSPECTONPROJECTINTEGRATIONOFCONSTRUCTINGPHARMACEUTICALPROJECTSINAFRICANCOUNTIESKEYWORDSPHARMACEUTICALFACTORYPROJECT,WORKBREAKDOWNSTRUC.TURE,SCOPEMANAGEMENT,RISKMANAGEMENTINTERCULTURALCOMMUNICATION
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大?。?3.22(MB)
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簡(jiǎn)介:廣西師范大學(xué)碩士學(xué)位論文改革開(kāi)放以來(lái)我國(guó)企業(yè)債券市場(chǎng)發(fā)展史姓名趙培申請(qǐng)學(xué)位級(jí)別碩士專業(yè)經(jīng)濟(jì)史指導(dǎo)教師羅知頌20080401II這些都嚴(yán)重制約了企業(yè)債券在種類及功能上的創(chuàng)新速度,使企業(yè)債券的發(fā)行規(guī)模難以擴(kuò)大、企業(yè)債券市場(chǎng)的交易難以活躍。盡管我國(guó)企業(yè)債券制度的改革創(chuàng)新一直在不斷推進(jìn),但是制度改革創(chuàng)新的速度跟不上市場(chǎng)的發(fā)展要求,因此制度因素仍然是我國(guó)企業(yè)債券市場(chǎng)滯后發(fā)展的重要原因。論文還就參與企業(yè)債券市場(chǎng)中介機(jī)構(gòu)的歷史演變及其作用進(jìn)行分析。隨著我國(guó)中介機(jī)構(gòu)規(guī)范化進(jìn)程的不斷深化,證券經(jīng)營(yíng)機(jī)構(gòu)、信用評(píng)級(jí)機(jī)構(gòu)、會(huì)計(jì)、律師事務(wù)所等機(jī)構(gòu)專業(yè)性及科學(xué)性的逐步提高,這些都將對(duì)企業(yè)債券種類及其市場(chǎng)體系架構(gòu)的不斷完善成熟起到良好的推動(dòng)作用。總體來(lái)說(shuō),監(jiān)管部門(mén)的合作是企業(yè)債券良性發(fā)展的必要保證;有關(guān)企業(yè)債券的制度和政策體系的不斷完善創(chuàng)新是加快企業(yè)債券市場(chǎng)發(fā)展的根本條件;企業(yè)日益增加的債務(wù)融資需求是推動(dòng)企業(yè)債券市場(chǎng)發(fā)展的內(nèi)在動(dòng)力。隨著我國(guó)金融基礎(chǔ)設(shè)施的不斷完善,中介機(jī)構(gòu)的不斷規(guī)范,在越來(lái)越優(yōu)化的內(nèi)部和外部環(huán)境支持下,企業(yè)債券的重要性將被認(rèn)同,企業(yè)債券種類及其體系架構(gòu)也將不斷完善成熟。隨著企業(yè)債券市場(chǎng)改革的不斷深化,企業(yè)債券市場(chǎng)運(yùn)行管理也將不斷走向規(guī)范,提升其在資本市場(chǎng)乃至整個(gè)國(guó)民經(jīng)濟(jì)中的地位。關(guān)鍵詞關(guān)鍵詞企業(yè)債券市場(chǎng)發(fā)展歷史未來(lái)
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上傳時(shí)間:2024-03-04
頁(yè)數(shù): 46
大?。?0.21(MB)
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簡(jiǎn)介:浙江大學(xué)人文學(xué)院碩士學(xué)位論文廿八都一個(gè)浙西南山地市鎮(zhèn)的經(jīng)濟(jì)變遷史姓名周建芳申請(qǐng)學(xué)位級(jí)別碩士專業(yè)中國(guó)近現(xiàn)代史指導(dǎo)教師梁敬明20080511甘八都一個(gè)浙西南山地市鎮(zhèn)的經(jīng)濟(jì)變遷史ABSTRACTTHISARTICIEDOESRESEARCHONNJANBADUANANCIENTTOWNWITHALONGHISTORYLOCATEDINTHEJINHUAANDQUZHOUHILLYAREA。THESOUTHWESTOFZHEJIANGPROVINCEDISCUSSESTHEECONOMICVICISSJTUDEOFTHETOWN,ANDANALYZESTHEINSJDEANDOUTSIDEFACTORSRESUITINAINTHEUPSANDDOWNSOFTHETOWN,WITHTHEBACKQROUNDOFTHEDEVEIOPMENTOFTHEANCIENTRIOADXJANXJAANDTHECIUEOFVICISSITUDEOFTOWN’SBUSINESSANDTRADESINCEMODEMTIMESBASEDONTHESPECIAIGEOGRAPHICKCATIONANDTHEDEVELOPMENTOFTHETOWN,THEARTICLEFOCUSESONSUCHFACTORSASTRANSPORTATIONANDMIGRATION,WHICHPIAYASIANIFICANTRIOIEINTHEECONOMICVJCJSSITUDEOFNIANBADU,ANDEIABORATESTHOROUAHIYANDCOMPIETEIYONTHEPROCESSINWHICHTHETOWNCAMEINTOBEING,DEVELOPEDPRELIMINARILV’PROSPEREDANDDECLNEDFROMTHREEDI仟色RENTTIMESPRIEODIUMWARIATEQINGDVNASTVT0THEMIDDIEOFREPUBICOFCHINA,ANDTHEMIDDIEOFRCTO1949MEANWHIE,THEA喇CLE,THROUGHTHECOMPARISONWITHF、JANXUNTOWN。PREIJMJNARIIYDISCIOSESTHESJMIIARITIESANDDJFFERENCESBET、,EENTHETOWNIOCATEDINMOUNTAJNOUSREGJONANDTHATIOCATEDINPIAINAREAKEYWORDSNJANBADU‘ROWNSOFSOUTHOFTHEYANGZIJIANGRIVERECONOMICHISTORY4
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頁(yè)數(shù): 37
大?。?12.27(MB)
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簡(jiǎn)介:?jiǎn)挝淮a塑9Z學(xué)號(hào)塑Q】西北大學(xué)碩士學(xué)位論文題目國(guó)處墾查經(jīng)渣查屋塑繾塑遢墼嬰塞經(jīng)渣皇的魚(yú)廑作者_(dá)董凌指導(dǎo)教師笪鑒盛專業(yè)技術(shù)職務(wù)絲蕉學(xué)科專業(yè)絲盜塹答辯日期至QI學(xué)位授予日期二00七年六月ABSTRANSINCETHEREFORMANDOPENINGTHEDISTRIBUTIONANDSTRUCTUREOFSTATEOWNEDECONOMYHADCHANGEDALOTBECAUSEOFTHELONGBATTLELINE,THEWIDEDISTRIBUTIONAND●●UNREASONABLESTRUCTURE,WETOOKTHEEARLYA硒USTMENT雒GRANTEDTHEREASONWHYTHEECONOMICPROBLEMSSTILLCANNOTBESOLVEDQUICL【LYISBECAUSETHEREFORMISINASTAGEWHERECRITICALPROBLEMSNEEDTOBEADDRESSED,ANDOURKNOWLEDGEABOUTTHEDISTRIBUTIONANDADJUSTMENTTHEORYOFSTATEOWNEDECONOMYISNOTPROFOUNDTHEPAPERTRIESTEORGANIZETHEDISTRIBUTIONANDSTRUCNREA由USTMENTTHEORYOFSTATEOWNEDECONOMYINWHICHWEHOLDTHATTHERE’REATLEASTTHREEASPECTSOFPROBLEMSFIRSTLYTHEFLAWOFTHEORYLOGIC,WHICHMEANSTHEINCONFORMITYOFPREMISESHYPOTHESISINTHEPAPERWECONSIDERTHATBOTHGOVERNMENTANDTHEMASSPURSUEPRIVATEINTERESTSANDABANDONTHEPROUDICETHATGOVERNMENTANDTHEMASSKC印DIFFERENTPREFERENCESECONDLYTHECURRENTRESEARCHMAINLYFOCUSESONTHEPRIVATIZATIONMOVEMENTAFTERTHEWWNESPECIALLYINTHE1970SANDTHERESNOLONGTERMOBSERVATIONONTHEAPPEARANCE,DISTRIBUTIONOFSTATEOWNEDECONOMYTHIRDLYTHECURRENTRESEARCHINTRODUCESTHEREFORMEXPERIENCEOFDEVELOPEDDEVELOPINGORTRANSITIONALCOUNTRIESSEPARATELYANDTHERESNOUNIFIEDTHEORYWHICHCANEXPLAINDISTRIBUTIONANDSTRUCTUREADJUSTMENTOFTHEGLOBALSTATEOWNEDECONOMYBASEDOLLTHEABOVESUMUP,WEDIDLONGERANDRESEARCHANDMORETRUTHFULDESCRIPTIONABOUTTHEHISTORYOFDISTRIBUTIONANDSTRUCTUREADJUSTMENTOFSTATEOWNEDECONOMYANDSTRENGTHENEDOBSERVATIONONTHEEXPANSIONOFSTATEOWNEDECONOMYBASEDONNEWSUMUPANDANALYSISONTHEFEATURESOFTHEDISTRIBUTIONANDSTRUCTUREADJUSTMEUTOFGLOBALSTATEOWNEDECONOMYWEPROMOTETHATTHEORYLIKE“STANDARDIZEDINDUSTRIALIZATION’’AND“TRANSPOSITIONOFGOVERNMENTALFUNTION”SHOULDBEEXPLAINEDTHECONCLUSIONOFUSISTHATTHEDISTRIBUTIONOFSTATEOWNEDECONOMYSHOULDBECONSISTENTWITHGOVERNMENTALFUNCTIONSWEALSOPROVIDERELATEDSUGGESTIONSKEYWORDSSTATEOWNEDECONOMY;STATEOWNEDENTERPRISES;DISTRIBUTION;STMCTUREADJUSTMENTIII
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頁(yè)數(shù): 61
大?。?1.9(MB)
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簡(jiǎn)介:對(duì)外經(jīng)濟(jì)貿(mào)易大學(xué)碩士學(xué)位論文中國(guó)對(duì)非洲投資的政府作用研究姓名張凌珠申請(qǐng)學(xué)位級(jí)別碩士專業(yè)行政管理指導(dǎo)教師張玉芹20080401IIABSTRACTCHINA’SOUTWARDDIRECTINVESTMENTODIHASBEENINCREASINGSINCETHESTRATEGYOF“GOINGGLOBAL”WASPUTFWARDIN2002INTHEFIRSTHALFOF2007CHINA’SNONFINANCIALODIGREWTO1872BILLIONYEARONYEARGROWTHRATEOF62PERCENTWITHTHEDEVELOPMENTOFAFRICAECONOMYCHINA’SODITOAFRICAISRISINGACCDINGTOTHESTATISTICSOFMINISTRYOFCOMMERCEOFPEOPLEREPUBLICOFCHINACHINA’SODITOAFRICAADDEDUPTO664BILLIONATTHEENDOF2006THEREWERE813ENTERPRISESINVESTEDINAFRICATHEREASONSLIEINTWOASPECTSFIRSTLYTHEREISABUNDANTNATURERESOURCEINAFRICAWHICHCANSOLVETHEPROBLEMOFRESOURCESCARCITYOFCHINASECONDLYTRADITIONALINDUSTRIESINCHINANEEDTOBEUPGRADEDDUETOTHEIRSURPLUSPRODUCTIONCAPACITYATTHESAMETIMEHITECHINDUSTRIESINCHINAACCOMMODATETHEDEVELOPMENTOFECONOMYMARKETDEMOFAFRICAATPRESENTINDUSTRIESOFODITOAFRICAARENOTCONFINEDTOTHATOFRESOURCEEXPLATIONWHICHCOVERCLOTHESFOODPROCESSRETAILFISHERYMARINEPRODUCTREALESTATECOMMUNICATIONCONSTRUCTIONTRAVELPOWERHOUSETELECOMHITECHFINANCESOONTHEINVESTMENTSUBJECTSINODITOAFRICAINCLUDESTATEOWNEDPRODUCTIONENTERPRISESLARGEMEDIUMSIZEDPRIVATEENTERPRISESSTATEOWNEDFINANCIALENTERPRISESTHETHESISFIRSTANALYZESNECESSITYOFCHINA’SODIESPECIALLYTOAFRICAACCDINGTOFDITHEIESBASEDONTHEEXPERIENCESOFEASTASIATHESITUATIONOFCHINAANALYSISRESULTSSHOWTHATCHINESEGOVERNMENTTAKESDOMINANTPOSITIONINODITOAFRICAROLESOFGOVERNMENTAREREALIZEDMAINLYBYPUBLICPOLICIESWHICHINCLUDEADMINISTRATIONLAWECONOMYDIPLOMATISTAFTERANALYZINGROLESOFGOVERNMENTTHETHESISSUMMARIZESROLESOFGOVERNMENTOFAMERICAJAPANINDIAINTHEIRODITHENPOINTOUTTHEEXISTINGPROBLEMSOFCHINESEGOVERNMENTINODITOAFRICAINCLUDINGTHATINDUSTRYPLANONODITOAFRICAISNOTQUITECLEARADMINISTRATIONPROCEDUREISCOMPLEXINVESTMENTINSURANCEHASNOGUARANTEEETCLASTLYAIMINGATSOLVINGTHESEPROBLEMSTHETHESISPROVIDESPOLICYSUGGESTIONSBASEDONTHEEXPERIENCESOFDIFFERENTCOUNTRIESKEYWDSFDI,ODITOAFRICA,GOVERNMENTROLE,PUBLICPOLICY
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頁(yè)數(shù): 40
大?。?2.57(MB)
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簡(jiǎn)介:河南農(nóng)業(yè)大學(xué)碩士學(xué)位論文非洲鴕鳥(niǎo)主要免疫器官的解剖組織學(xué)觀察及生理功能的初步研究姓名李平樂(lè)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)基礎(chǔ)獸醫(yī)學(xué)指導(dǎo)教師梁宏德苗連葉20091001ANATOMICANDHISTOLOGICALOBSERVATIONSANDAPRELIMINARYSTUDYONPHYSIOLOGICFUNCTIONFROMTHECAPITALIMMUNEORGANOFAFRICAOSTRICHSUPERVISORPROF.LIANGHONGDEMASTERCANDIDATEABSTRACTAFRICANOSTRICHSTRUTHIOCAMELUSBELONGTOAYES,RATITAE,STRUTHTHIONIFORME,STRUTHIONIDAE,STRUTHIO,STRUTHIOCAMELUSANDARETHELARGESTANDSTRONGESTOFLIVINGBIRDS。AFRICANOSTRICHHAVERAPIDLYGENERALIZDFROM1980SBECAUSEOFSUPERORDINARYTHEIRPERFORMANCETRAIT.IMMUNEORGAN,WHICHCARLPARTICIPATEINTHEORGANISMIMMUNEREACTIONONONEHANDANDONTHEOTHERHANDCARLPHAGOCYTIZETHEBACTERIUMANDEXTRANEOUSMATERIALBYFILTRATION,ARETHEIMPORTANTGUARDINGSYSTEMINTHEANIMALS.WHILE,IMMUNEORGANCANCONTINUOUSLYPRODUCEHOMEOC”EWHICHISTHEFORMEDELEMENTINTHEBLOOD.SOITISALSOAHEMATOPOIETICORGAN.AFRICANOSTRICHLYMPHOIDORGANSMAINLYINCLUDETHETHYMUS,SPLEEN,BURSAANDSOON.THEYARECOMPOSEDOFLYMPHOIDTISSUEBASEDONRETICULARCONNECTIVETISSUE.THYMUSISTHEPRIMARYLYMPHOIDORGANWHICHCALLPRODUCEVARIOUSSPECIFICTLYMPHOCYTESRELATEDWITHCELLMEDIATEDIMMUNITYACTIVITIES.ANDTHYMUSPLAYSACENTRALROLEINTHECELL.MEDIATEDIMMUNITY.SPLEENISTHEPERIPHERALLYMPHOIDORGANSWHICHAPPEARSLATELYDURINGTHEEMBRYONICDEVELOPMENT.SPLEENTHATPARTICIPATESINTHEIMMUNERESPONSE,ISTHEHAEMATOPOIESISED,F(xiàn)ILTERED,ELIMINATED,STOREDBLOODORGAN.BUMAOFFABRICIUSISTHEUNIQUEIMMUNEORGANSOFPOULTRYANDHASACRUCIALROLEINTHEEARLYIMMUNESYSTEMESTABLISHED.BURSAGRADUALLYDEGRADEDIN16I8MONTH.OLDOFOSTRICHANDCANNOTEASYTOFINDAFTERSEXUALMATURITY.INORDERTOSTUDYTHESTRUCTUREANDLOCATIONOFTHEIMMUNEORGANOFAFRICAOSTRICH,THETHYMUS,SPLEEN,BURSAWEREOBSERVEDBYGROSSAPPEARANCE.THETHYMUSOFAFRICAOSTRICHWASLOCATEDINAMPH。PARTOFCERVPOSTERIOR,LIKEFLAPOFLEGUME,LITTLEQUANTITY,CONGLOBATION,SUBLOBEUNCONSPICUOUSLYWHICHISCONNECTEDBYTHECONNECTIVETISSUE.THESPLEENOFAFRICAOSTRICHWASLOCATEDINTHEWEDGESHAPEPLACECONSTITUTEDOFRIGHTKIDNEY,VENACAUDALISANDCHEWINGSTOMACH.;ELLIPSE,DARKRED.THEBURSAOFAFRICAOSTRICHWASLOCATEDONTHEDORSALWALLOFCLOACA,ELEVATED.ROUNDANDMUCOSAISGRANULARSURFACETEXTURE,COLORWHITE.INTRACAVITARYEVIDENTFOLDSCALLFIND.TOSTUDYTHEHISTOLOGICALSTRUCTUREOFTHETHYMUS,SPLEEN,BURSAOFAFRICAOSTRICHANDTOPROVIDTHEORYFORSTUDYINGPHYSIOLOGICFUNCTION,IMMUNEFUNCTION,PRESERVATIONANDTHERAPYOFDISEASE,THEEXPERIMENTAPPLIEDROUTINEPARAFFINSECTIONANDH.ESTAININGMETHOD.THENTHEHISTOLOGICALSTRUCTUREOBSERVEDUNDEROPTICALMICROSCOPE.THETHYMUSOFAFRICAOSTRICHISCOVEREDBYACAPSULECOMEINGINTOTHESUBSTANCEWHICHARENOTCOMPLETELYSEPARATEINTOANUMBEROFTHYMICLOBULES.EACHLOBULEISDIVIDEDINTOTHEAROUNDCORTEXANDTHECENTRALMEDULLA.THYMICCORPUSCLESAREINTHEMEDULLA.THYMICCORPUSCLESAREROUNDOROVAL.SHAPED,CONCENTRICCIRCLES
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上傳時(shí)間:2024-03-03
頁(yè)數(shù): 36
大?。?1.84(MB)
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簡(jiǎn)介:東北師范大學(xué)碩士學(xué)位論文中國(guó)經(jīng)濟(jì)改革成功經(jīng)驗(yàn)及對(duì)非洲發(fā)展的啟示姓名通卡拉申請(qǐng)學(xué)位級(jí)別碩士專業(yè)國(guó)際政治指導(dǎo)教師張森林20080501ABSTRACTTHEPIUPOSEOFTLLISSTUDYISANANALYSISANDACOMRIBUTIONOFCHIILA’SECONORNICREFOMPOLICYT11EBESTWAYTOMLDERSTALLDTHESUCCESSOFC11INA’SECONOINICPOLICYISTOREADBYCLLINESEMSTO巧,C11INESECULTUREANDLEADERSSINCETHEFOUNDINGOFMEPEOPLE’SREPUBLICOFC11INAT01978MANYCHAILGESTOOKPLACEINCHINASOTHECHINESEECONORLLICDEVELOPMEMPROCESSPASSEDTLLROU曲DIFFERELLTST印SRISE,F(xiàn)ALLANDRISEAGAINWHENTHEPEOPLE’SREPUBLICOFC11INAWASFOULLDEDITWASASTATEOFPOVENYANDBLALLL11ESSARERBEINGRAVAGEDBYA10NGPERIODOFWAR肌DINTEMALSTRIFETHEFIRSTTMNGTODOWASTOCMBHYPERINNATIONANDREST州PRODUCTIONDURINGTHEMAOERA,T11EC11INESEECONOMYACHIEVEDSOMESUCCESSTHE78PERCEMAVERAGE鋤UALGROWTHOVERT11E40YEARPOSTWARPERIODSUGGESTSA‘‘NEWRISINGPOWER”,MORETHANTHEFEUDALCOLDWAR“IVERSARYCOMMOLLLYENVISIONEDINTHEUNITEDSTATESIILNATIONREMAINEDLOWOVERTHEMREEDECADESTO1978,BUDGETDEFICITSWERESMALL,繃LDEXTEMALIMBALANCESWERE嘶NORSOSINCE1978MAILYCL珊GESTOOKPLACEINC11INAINTHECHINESEECONOMICPOLICYTHEINCREASINGECONO蚵C黟O、ⅣTH,THEINCOMEDISTRIBUTIONI11INT鋤ALPLANCONTRIBUTEDTOFALLDOWNTHEPOVERTYIILEXTEMALWAY,WITHMEOUTDOORECONOMICP01ICYCHINABEC鋤EMOREA11DMOREAN鋤E啦GCOUN姆REG裥INGBYDEVEL叩EDCOULLTRIESASAILUNBALAILCINGPOWERTHECHINESEECONOMICASCENSIONISAPEACE向1嬲CENSION,ITISREAL,ITIS鋤鍛CENSIONPROCESSBUTITWILLAVOIDA11A11TAGOLLISTATTITUDEORALLHEGEMONICAN曲ITIONSTLLEAIMOFMISSTUDYISTOEXPLAINAILDUNDERSTALLDBETTERTHECHINESEECONOINICREFONLLPOLLCYPROCESSA11DITSSUCCESSHOWITCAILSERVEASAMODELFORDEVELOPINGCOUNTRIESSUCHASAFHCACHINA’SLE百TIMACYTOA銜CASTREN班HENEDBYITSASSISTANCET0A矗瞳CADURINGLIBERATIONS咖G斟ESINACONTEXTOFSTRATE百CRELINQUISHMENTOFA伍CA,CLLINAREALIZEDASPECTACUIARRISINGONTHECONTINENTOFFERINGALTEMATIVESTODEVELOPMEM,A11GOILLGATTHEENDOFLO百CTOCHALLENGETHEP血CIPLESOFCO叩ERATIONWHICHATTRACTEDITMORECFITICALTHEPANICUL鰣TYOFCHINA’SA銜CANPOLICYLIESON“ITSINCERITYANDITSNATUREOFNO“EXPLOITATION”FINALLY,CLLINESEGOVEMMENTHASCREATEDITSPROPERMODELOFDEVELOPMENTCLLILLADEVELOPSSOACAPABILITYTOGIVETHERI曲TDIRECTIONTOA銜CALLPOLITICALANDECONO面CREFOMSYSTEMNISGENERALLY礎(chǔ)NITTEDASOFAMODELOFMODENLIZATION,MORESENSITIVETOA銜CANNEEDSTHANWESTEMP礬NERS”KEYWORDSCHINARE向M;PLALLEDECONOMY;MARKETECONOMYA銜CALLDEVELOPMENTII
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簡(jiǎn)介:IIIIIIIIIILL111IY1532773女日第中研髭夫萼碩士學(xué)位論文%扭墊生童塹韭趔塹塑蕉堡笠量壅圭墊廛魚(yú)墮塞學(xué)位申請(qǐng)A姓名墨塞申請(qǐng)碩士學(xué)位類別壘墮型塑申請(qǐng)學(xué)位專業(yè)方向蕉蟄至一指導(dǎo)教師姓名蘭堡苧型趲⑨碩士學(xué)位論文MASTER’STHESISABSTRACTINTHISPAPERNONETHYLENESENSITIVITYFLOWER,GERBERAJAMESONIIBOLUSORANGEREDWEREHELDRESPECTIVELYINDIFFERENTSOLUTIONS,WHICHINCLUDEDPRESERVATIVESCONTAININGANTIBIOTICS,ANDWATERWASTAKENASCONTR01EFFECTSOFSUCHSOLUTIONSONSENESCENCEOFCUTGCRBERAFLOWERWERESYSTEMATICALLYSTUDIEDINTHEOBSERVATIONBASEDONTHEVASELIFE,EFFECTSOFFACTORSONSENESCENCEOFCUTGERBERAFLOWERWEREINVESTIGATEDBYMEANSOFMEASURINGWATERBALANCE,CHANGERATEOF丘ESHWEIGHTANDOTHERSTHEMAINRESULTSINTHISEXPERIMENTWERESHOWNASFOLLOWS,1SCREENINGCONCENTRATIONOFANTIBIOTICSWHICHCANDELAYSENESCENCEOFCUTGERBERAFLOWERDIFFERENTCATEGORIESANDDIFFERENTCONCENTRATIONSOFANTIBIOTICSHADEFFECTONVASELIFEOFCUTGERBERAFLOWERDIFFERENTCATEGORIESANDCONCENTRATIONSOFANTIBIOTICSPENICILLINSTREPTOMYCIN,TETRACYCLINEWEREADDEDONBASEOFSUGARWHICHISBASICPRESERVATIONINGREDIENTSINTHISEXPERIMENT9KINDSOFTREATMENTSWERESETINTHISEXPERIMENTTREATMENT1TOTREATMENT9WERERESPECTIVELYAS2%S10MGL~PENICILLIN;’2%S30MG。LPENICILLIN;2%S50MGL~PENICILLIN;2%S10MG,一STREPTOMYCIN;2%S30MG。L1STREPTOMYCIN;2%S50MGL~STREPTOMYCIN;2%S10MGLTETRACYCLINE2%S30RNGLTETRACYCLINE;2%S50MGLTETRACYCLINEDISTILLEDWATERANDSUCROSEWERESETASTHECONTR01THEEXPERIMENTSHOWEDTHATPRESERVATIVECONTAININGSTREPTOMYCINANDTETRACYCLINECOULDPROLONGTHEVASELIFEOFCUTGERBERAFLOWERAMONGTHEM,PRESERVATIVES2%S30MGL~STREPTOMYCINAND2%S30MGL’1TETRACYCLINEWERETHEBESTTREATMENTS,WHICHPROLONGEDRESPECTIVELY43DAYSAND36DAYS,ANDIMPROVEDFRESHWEIGHTANDWATERBALANCEOFCUTGERBERAFLOWERWEPLANTOIMPROVETWOBETTERTREATMENTSONPRESERVATIONINDEPTHSTUDYANDSTUDYTHEMECHANISMOFDELAYEDSENESCENCEOFCUTGERBERAFLOWER2EFFECTSOFPRESERVATIVESCONTAININGSTREPTOMYCINANDTETRACYCLINEONCUTGERBERAFLOWERTWOKINDSOFTREATMENTSWERESETINTHISEXPERIMENT,TWOTREATMENTSWERERESPECTIVELYAS2%S30MGL1STREPTOMYCINAND2%S30MGLTETRACYCLINETHEEXPERIMENTSHOWEDTHAT,PRESERVATIVESWHICHJOINED30MGLSTREPTOMYCINOR30MGL’1TETRACYCLINETOBASICPRESERVATIVE2%SCOULDEFFECTIVELYENLARGEFRESHWEIGHTANDIMPROVEWATERBALANCEOFCUTGERBERAFLOWER,INCREASEACTIVITIESOFSOD,CATANDPOD,
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簡(jiǎn)介:巾圖分凳號(hào)UⅨ高穗天法。學(xué)校代碼10055密緩T公開(kāi)碩士學(xué)位論文中國(guó)長(zhǎng)城計(jì)算機(jī)公司開(kāi)拓非洲市場(chǎng)國(guó)際營(yíng)銷策略研究THEAFRICANMARKETINGSTRATEGYOFCHINAGREATWALLCOMPUTERCOMPANY論文作者至璽蕉FF清學(xué)位王直鹽塑亟學(xué)科專業(yè)王煎I芏型匭土答辯委員會(huì)主席迕匪指導(dǎo)教師亟豎熬援培養(yǎng)單位送劌壘避工攫堂院研究方向毽匪萱魚(yú)評(píng)閱人任蠢垡奎掛垡奎苤進(jìn)南丌犬學(xué)研究生院二00九年十二月南開(kāi)大學(xué)學(xué)位論文原創(chuàng)性聲明本人鄭曩聲明所里交的學(xué)位;奎文是本久存導(dǎo)師指導(dǎo)。F進(jìn)J研究I作所取得的研究成果。除文中已經(jīng)注明,J用的內(nèi)容外,車學(xué)位論文的研究成果4包含仟何他人色N作的、已公開(kāi)發(fā)表或者沒(méi)有公開(kāi)發(fā)表的作品的內(nèi)容。對(duì)本論文所涉及的研究二作LT;乏TT貢獻(xiàn)的其他個(gè)人相I集體,均已在文中以I;J確療式標(biāo)明。本“7“TKIT艾原創(chuàng)性聲明的法律責(zé)任由本人承擔(dān)學(xué)位論文作者笠名考倉(cāng)磊沙F口年‘月I臼非公開(kāi)學(xué)位論文標(biāo)注說(shuō)明根據(jù)南開(kāi)大學(xué)有關(guān)規(guī)定,非公7|學(xué)位論文須經(jīng)指導(dǎo)教師同意、作者本人巾請(qǐng)和相關(guān)部FJ批準(zhǔn)方能標(biāo)注。術(shù)經(jīng)批準(zhǔn)的均為公殲。JO紐論文,公JR學(xué)位論艾木說(shuō)明為空白。論文題目申請(qǐng)密級(jí)口限制≤Q0秘密≤LO年口機(jī)密L≤2午保密期限10L月日壘20年月日審批表編號(hào)批準(zhǔn)日期20年月日戳制★2年蛀TK2年G少于2印秘符★1LLIR最長(zhǎng)5年,川少LJ年機(jī)密★20年最KJJ印豇『少JI111L’
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簡(jiǎn)介:ZHEJIANGAFUNIVERSITYDISSERTATIONFORTHEDEGREEOFMASTEREFFECTSOFNOONSENESCENCEINCUTGERBERAANDITSMECHANISMCANDIADATEDUXINGCUIADVISERLAIQIXIAN,PROFESSORSPECIALITYGARDENPLANTANDORNAMENTALHORTICULTUREDATEOFSUBMISSIONJUNE6,2012ZHEJIANGA&FUNIVERSITYLIN’AN,ZHEJIANGPROVINCE,P.R.CHINAJUNE,2012獨(dú)創(chuàng)性聲明本人聲明,所呈交的學(xué)位論文,是在指導(dǎo)教師指導(dǎo)下,通過(guò)我的努力取得的成果,并且是自己撰寫(xiě)的。盡我所知,除了文中作了標(biāo)注和致謝中已經(jīng)作了答謝的地方外,論文中不包含其他人發(fā)表或撰寫(xiě)過(guò)的研究成果,也不包含在浙江農(nóng)林大學(xué)或其他教育機(jī)構(gòu)獲得學(xué)位或證書(shū)而使用過(guò)的材料。與我一同對(duì)本研究做出貢獻(xiàn)的同志,都在論文中作了明確的說(shuō)明并表示了謝意。如被查有嚴(yán)重侵犯他人知識(shí)產(chǎn)權(quán)的行為,由本人承擔(dān)應(yīng)有的責(zé)任。學(xué)位論文作者親筆簽名論文使用授權(quán)的說(shuō)明本人完全了解浙江農(nóng)林大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定,即學(xué)校有權(quán)送交論文的復(fù)印件,允許論文被查閱和借閱;學(xué)校可以公布論支的全部或部分內(nèi)容,可以采用影印、縮印或其他復(fù)制手段保存論文。保密,在年后解密可適用本授權(quán)書(shū)。口不保密,本學(xué)位論文屬于不保密。請(qǐng)?jiān)诜娇騼?nèi)打“√”學(xué)位論文作者親筆簽指導(dǎo)教師親筆簽名日期日期貍蘭23.一㈣3一㈣9MML一㈣3一舢3一剛1一㈣2一洲Y
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簡(jiǎn)介:湖南大學(xué)碩士學(xué)位論文史氏鱘AMURSTURGEONACIPENSERSCHRENCKII的生長(zhǎng)特性及馴養(yǎng)的研究姓名張征申請(qǐng)學(xué)位級(jí)別碩士專業(yè)環(huán)境工程指導(dǎo)教師曾光明莊平200191,J●、_卜、塑塑查堂堡主堂焦堡苧一ABSTRACTAMURSTURGEON臼CIPENSERSCHRENCKII,BRANDTBELONGSTOTHEFAMILYOFACIPENSERIDAEINTHEORDEROFACIPENSERIFORMESTHATISDISTRIBUTEDINTHEAITLURRIVERWHICHISANENDANGEREDFISHWHOHASLITTLEILLNESSANDSTRONGECOLOGICALADAPTATIONANDGROWSFASTERTHEBIOLOGICALCHARACTERISTICSOFTHEACIPERISERIDAEISTOBEMASTEREDWELLTHROUGHTHESTUDY0NALNURSTURGEONBECAUSEOFTHE10WERDEGREEINTHESPECIESEVOLUTIONOFTHISKINDOFFISH,WHICHPROVIDESTHERELIABLEDATUMTOPROTECTANDEXPLOITTHESTURGEONSTOCKSTHISDISSERTATIONSTUDIEDTHEGROWTHCHARACTERISTICSOFJUVENILESANDFLIESINAMURSTURGEON,ARTIFICIALBREEDINGANDENHANCEMENTSTURGEONSTOCKSINTHEPERIODOFDOMESTICATIONJN出EBASINOFTHEYANGTZERIVELTHEPAPERDEMONSTRATEDTHAT1AGEHNLURSTURGEONHADTHEGROWTHPATTERNOFAUOMETRYANDSTAGESBYGROWTHAINURSTURGEONGREWSLOWERINTHECONDITIONSOFFOODTRANSFONNATIONTHANINTHENATURALCONDITIONSWHILEITGREWWELLASNATUREAFTERTHELRANSFORMATIONWASSUCCESSFULTHEREWASASTRONGSIGNIFCANTRELATIONSHIPBETWEENTHEGROWTHANDTHEENVIRONMENTALFACTORSINCLUDEDSTOCKINGDENSITYWATERCURRENTANDTEMPERATUREFCRBECAMEINCREASINGWITHTHEINCREASEOFTHESTOKINGDENSITYBUTSGRWASINADVERSEHOWEVERSVHADNOSIGNIFICANTCFIANGESWATERCURRENTMADEATOURSTURGEONGROWFASTERANDITSEFFECTSONTHEGROWTHWERESHOWNONTHESIGNIFICANTDIFFERENCEINFCRANDTHEBODYWEIGHTS198℃WASFOUNDTOBETHEOPTIMUMGROWTHTEMPERATUREWHILE、PHOTOPERIODSHADLITTLEERIECTONTHEGROWTHPERFORMANCEANDHASAGREATINFLUENCEONITSBODYCOLORSALLDARKMADETHEBODYBLANCHTHERULESOFTHEDAILYVARIATIONINTHEAQUATICQUALITYINCULTUREPONDSOFHIGHSTOCKINGDENSITYWERESTUDIEDWHICHSHEWTHATPHIN7’27753ANDTEMPERATUREAT19℃INTHEPONDSWERECOMPARATIVELYSTABLEANDTHEAQUATICQUALITYAT600WASTHEWORSTIUTHEDAYATWHICHNHLNWASJUST019002MG/LMOREOVERTHEREWASASIGNIFICANTCORRELAFIONSHIPBETWEENPHANDNH3一NINPONDSTHEGONADOFANLURSTURGRONGROWSBETTERANDFASTERINTHEARTIFICIALBREEDINGCONDITIONSTHANINTHENATUAICONDITIONSANDTHEGONADOF3AGEALRLURSTURGEONWASDEVELOPEDTOTHETHIRDSTAGESOITWASABIGHOPETOFOSTERTHEPARENTSTURGEONINTHEBASINOFTHEYAH【GTZERIVERTHEMAINFOSTERINGMEASURESINCLUDEDTHEBREEDINGTEMPERATUREAT1325℃5MG/LOFDOANDTHEARTIFICIALFOODINWHICHDRUGSANDNUTRITIVEELEMENTSWEREADDEDONTIMEKEYWORDSAMUZSTURGEONACIPENSERSCHRENCKII,BRANDTDOMESTICATION,GROWTHCHARACTERISTICS,ENVIRONMENTALFACTORAQUATICQUALITYGONAD,PARENTSTURGEON
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簡(jiǎn)介:分類號(hào)論河南農(nóng)業(yè)大學(xué)碩士學(xué)位論文密級(jí)導(dǎo)師專研究方向論文提交日期201OO6學(xué)位授予日致謝本論文在導(dǎo)師張龍現(xiàn)教授和寧長(zhǎng)申教授的悉心指導(dǎo)下完成,從論文選題到最后論文修改,都凝聚著導(dǎo)師的心血和睿智。三年多來(lái),導(dǎo)師淵博的知識(shí)、嚴(yán)謹(jǐn)?shù)闹螌W(xué)態(tài)度、忘我的工作作風(fēng),精誠(chéng)的敬業(yè)精神、嚴(yán)謹(jǐn)求實(shí)的治學(xué)作風(fēng)、謙虛真誠(chéng)的待人方式以及不計(jì)個(gè)人得失對(duì)學(xué)科全面發(fā)展縱向橫向平臺(tái)搭建無(wú)不使我終生受益。謹(jǐn)值此文完成之際,向?qū)煴硎咀钫\(chéng)摯的感謝和最崇高的敬意感謝導(dǎo)師組崔保安教授、王川慶教授、胡功政教授、王艷玲教授和張改平教授對(duì)論文的指導(dǎo)。感謝研究生處各位領(lǐng)導(dǎo)和老師三年來(lái)對(duì)我的關(guān)心和幫助感謝牧醫(yī)工程學(xué)院各位領(lǐng)導(dǎo)和老師對(duì)我的關(guān)心和支持。衷心感謝本實(shí)驗(yàn)室菅復(fù)春副教授、劉紅英、趙青玉老師在學(xué)習(xí)和試驗(yàn)上給予的關(guān)懷和幫助。衷心感謝本專業(yè)在讀博士藥理實(shí)驗(yàn)室張素梅副教授在學(xué)習(xí)、生活和試驗(yàn)方面的指導(dǎo)和幫助。衷心感謝生命科學(xué)院李春奇老師,校中心實(shí)驗(yàn)室謝惠玲老師,中國(guó)農(nóng)業(yè)大學(xué)中心實(shí)驗(yàn)室賈君鎮(zhèn)老師在相差顯微鏡與電子掃描顯微鏡使用方面的指導(dǎo)和幫助。特別感謝美國(guó)疾病控制和預(yù)防中心亞特蘭大國(guó)家人獸共患病中心寄生蟲(chóng)病研究室高級(jí)職員肖立華博士、美國(guó)德克薩斯AM大學(xué)獸醫(yī)和生物醫(yī)學(xué)學(xué)院病理生物系終身教授朱冠博士以及華東理工大學(xué)資源與環(huán)境學(xué)院馮耀宇教授給予的熱情指導(dǎo)和大力幫助。感謝同學(xué)齊萌、王鶴磊、馮超、孫燕茹、王強(qiáng)、安春霞、任緒鵬、陳龍飛等;師兄師姐王榮軍、高庚渠、呂超超、王巖、任慶娥、史珂、張小三、楊紅玉、段張秀等及其他師弟師妹喬亞輝、徐利納、楊楠、吳國(guó)泉、席建偉等在試驗(yàn)過(guò)程中的無(wú)私幫助。感謝08屆朱雷、郭曉燕、王珂、賈麗娜;09屆本科生梁鵬帥、張?jiān)?、王俊霞、李寒松、王?zhàn)勝、李慧琴;10屆本科生王晶晶、李宜在試驗(yàn)中的幫助。最后,要深深感謝我的父母和家人,感謝他們對(duì)我的大力支持,正是他們默默無(wú)聞的關(guān)心和幫助才使我具有進(jìn)步的動(dòng)力感謝他們?cè)谖仪髮W(xué)期間做出的犧牲和奉獻(xiàn)
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簡(jiǎn)介:廣西師范大學(xué)碩士學(xué)位論文新時(shí)期中國(guó)家族企業(yè)發(fā)展史探微姓名申茜申請(qǐng)學(xué)位級(jí)別碩士專業(yè)經(jīng)濟(jì)史指導(dǎo)教師羅知頌20080401II我國(guó)企業(yè)發(fā)展具有重大的理論和現(xiàn)實(shí)意義,對(duì)實(shí)現(xiàn)我國(guó)經(jīng)濟(jì)的持續(xù)健康快速發(fā)展具有很強(qiáng)的實(shí)踐意義。我國(guó)的家族企業(yè)應(yīng)該根據(jù)自身的組織發(fā)展?fàn)顩r、行業(yè)特點(diǎn)來(lái)選擇自己的未來(lái)之路,大中型企業(yè)可以選擇通過(guò)實(shí)現(xiàn)內(nèi)部規(guī)范即組織、制度、管理的整合創(chuàng)新建立現(xiàn)代家族企業(yè),中小企業(yè)則可以選擇在外部通過(guò)企業(yè)聯(lián)合建立家族企業(yè)網(wǎng)絡(luò),通過(guò)分工協(xié)作、創(chuàng)新成果交流來(lái)實(shí)現(xiàn)家族企業(yè)競(jìng)爭(zhēng)能力的成長(zhǎng)。在此基礎(chǔ)上,論文從政府、市場(chǎng)、家族企業(yè)三個(gè)方面提出推動(dòng)中國(guó)家族企業(yè)健康發(fā)展的政策建議規(guī)范政府行為,理順政企關(guān)系,完善促進(jìn)我國(guó)家族企業(yè)健康發(fā)展的社會(huì)法制環(huán)境;進(jìn)一步建立與完善促進(jìn)我國(guó)家族企業(yè)健康發(fā)展的外部市場(chǎng)環(huán)境;循序漸進(jìn)進(jìn)行家族企業(yè)內(nèi)部制度結(jié)構(gòu)的完善,盡量延長(zhǎng)兩權(quán)合一的有效期;實(shí)施以網(wǎng)絡(luò)化(重點(diǎn)是集群化)發(fā)展模式為依托的中國(guó)家族企業(yè)發(fā)展戰(zhàn)略。最后還對(duì)現(xiàn)階段一些優(yōu)秀家族企業(yè)已經(jīng)進(jìn)行的有益的變革嘗試進(jìn)行了概述,以期能對(duì)其他家族企業(yè)的改革創(chuàng)新能有所借鑒。關(guān)鍵詞關(guān)鍵詞家族企業(yè)歷史發(fā)展
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簡(jiǎn)介:上海師范大學(xué)碩士學(xué)位論文非洲城市化研究(1960年至今)姓名張建業(yè)申請(qǐng)學(xué)位級(jí)別碩士專業(yè)世界史指導(dǎo)教師舒運(yùn)國(guó)20080401ABSTRACTURBANIZATIONISANATURALHISTORICALPROCESSFROMATRADITIONALAGRICULTURALSOCIETYTOAMODEMURBANSOCIETYANDTHEINEVITABLEPRODUCTOFSOCIOECONOMICDEVELOPMENT,WHICHISALSOASYMBOLOFSOCIALPROGRESSURBANIZATIONSTUDYISONEOFTHEMOSTCONCERNEDTOPICSINTHE21STCENTURYANDISONEOFTHEHOTSPOTSONTHEACADEMICCOMMUNITYATHOMEANDABROADBASEDONTHECURRENTFASTESTURBANIZATIONOFTHEAFRICANCOUNTRIESSTUDYMYPAPERCONDUCTSAPRELIMINARYEXPLORATIONONTHECHARACTERISTICSOFHIGHSPEED,DYNAMICFACTORS,THEPROBLEMSANDCOUNTERMEASURESTHEAUTHORINTERPRETSTHEEXCESSIVEURBANIZATIONINFLUENCEUPONAFRICANCOUNTRY’SOCIALANDECONOMICDEVELOPMENTFROMTHEPOINTOFVIEWOFHISTORYTHECOMBINATIONOFURBANECONOMICS,POPULATIONECONOMICS,THEDEVELOPMENTOFANUMBEROFDISCIPLINES,SUCHASECONOMICSTHEORYANDTHEINTEGRATEDUSEOFMACROECONOMICANALYSIS,MICROSCOPICANALYSISANDCOMPARISONANALYSIS,ANDSTATISTICALANALYSISAPPROACHTHEPAPERREVEALSNEGATIVEIMPACTSCAUSEDBYTHERAPIDURBANIZATIONOFTHECONTEMPORARYAFRICANCOUNTRIESSOCIOECONOMICDEVELOPMENTTHISPAPERISDIVIDEDINTOFOURCHAPTERSTODISCUSSAFRICANURBANIZATIONISSUESCHAPTER1REVIEWSANDSUMSUPAFRICANURBANDEVELOPMENTCONDITIONSINTHEPASTCOLONIALINVASIONANDDURINGCOLONIALERACHAPTER2MAINLYEXPATIATESAFRICANURBANIZATIONCHARACTERISTICSFROMTHESPEEDOFCITYDEVELOPMENT,THENUMBEROFURBANPOPULATIONANDTHESIZEOFTHECITIES,URBANIZATIONANDMODERNIZATION,INTERREFF“ONALDIFFERENCESINTHELEVELOFURBANIZATION,ANDANALYZESTHEREASONSFORTHEEXCESSIVEDEVELOPMENTONFOURASPECTSOFTHECHARACTERISTICSOFAFRICANCITIESFROMTHEDEMOGRAPHICFACTORS,SOCIALFACTORS,THEPOLICYFACTORNATURALFACTORSINCHAPTER3,THEAUTHORFIRSTINTRODUCESTHERELATIONSHIPBETWEENURBANIZATIONANDDEVELOPMENTOFTHEPRODUCTIVEFORCES,THENTHECONCEPTON“URBANDISEASE’’ANDITSRELEVANTPERFORMANCEARERAISED,ANDMAINLYFROMTHEURBANEMPLOYMENT,URBANINFRASTRUCTURE,URBANTRANSPORTATION,URBANWATERSUPPLYHEALTHCARE,GARBAGE
下載積分: 5 賞幣
上傳時(shí)間:2024-03-03
頁(yè)數(shù): 64
大?。?3.98(MB)
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簡(jiǎn)介:浙江大學(xué)國(guó)際教育學(xué)院博士學(xué)位論文非洲菊長(zhǎng)期鹽脅迫的生理響應(yīng)和水楊酸處理對(duì)提高耐鹽性的機(jī)制研究姓名甘尼格申請(qǐng)學(xué)位級(jí)別博士專業(yè)觀賞園藝學(xué)指導(dǎo)教師夏宜平朱祝軍20090424性和光合色素含量,并影響了細(xì)胞膜完整性和葉綠體超微結(jié)構(gòu)。由于鹽脅迫的影響,超氧化物歧化酶SOD和過(guò)氧化物酶POD的活性增加,而丙二醛MDA含量的增加則表明鹽脅迫破壞了細(xì)胞膜的完整性,而脂質(zhì)過(guò)氧化作用和電解質(zhì)外滲加劇,以及葉綠素含量降低,則與葉片組織中鹽濃度增加直接相關(guān)。水楊酸SA的施用明顯增強(qiáng)了氣體交換特性,即便是未經(jīng)鹽脅迫處理的植株也有一定的變化。明顯增加的光合色素含量和葉綠體超微結(jié)構(gòu)未被破壞,進(jìn)一步證實(shí)了SA對(duì)鹽脅迫下非洲菊葉片光合系統(tǒng)的改善功能。在外源SA的影響下,葉片脂質(zhì)過(guò)氧化作用顯著降低,而膜結(jié)構(gòu)仍保持良好的完整性;SA預(yù)處理后,植株SOD和POD活性均高于未經(jīng)處理的。這些結(jié)果表明,外源SA能夠激發(fā)鹽脅迫下非洲菊植株的抗氧化系統(tǒng)。一般而言,在本試驗(yàn)的兩種濃度中,05MMSA的增強(qiáng)鹽脅迫耐性效果更好,甚至某些指標(biāo)與對(duì)照沒(méi)有太大差異。SA預(yù)處理后的植株生長(zhǎng)和相關(guān)生理指標(biāo)呈顯著相關(guān),加之其低廉的成本,可以證明水楊酸將是一種提高非洲菊植株耐鹽性的有效物質(zhì)。關(guān)鍵詞非洲菊,鹽脅迫,生理響應(yīng),水楊酸,光合能力,抗氧化系統(tǒng)VII
下載積分: 5 賞幣
上傳時(shí)間:2024-03-03
頁(yè)數(shù): 116
大?。?6.72(MB)
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