2023年全國碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
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1、寧夏大學(xué)碩士學(xué)位論文寧夏引黃灌區(qū)水權(quán)轉(zhuǎn)換價格研究姓名:郭北玲申請學(xué)位級別:碩士專業(yè):水利水電工程指導(dǎo)教師:馬文敏王艷芳20090501AbstractInthispaperanalysizethepriceofwaterrigh=transferinYellowRiverirrigatedarea8ofNingxiaFirstofallanalysisofthesituationofwaterresouive$inNingxia,and

2、嬋oposedtheproblemsofwaterresourcesFortheexistenceoftheproblemsproposedsuitablemeasuresforwatersavingintheirrigatedareas,andcalculatethewatersavingpotentialityandwaterconsumptioninagricultureBycalculating,thewatersavingpo

3、tentialityis3375x108m3thewaterconsumptionis131105m’ofwhichAntiseepageliningmaybethelargestsectionwatersavingis753x10‰’so,theagriculturalwaterofirrigatedareainNingxiahasagreatwatersavingpotentialityso,itisfeasibletoimplem

4、entwaterrightstransferprojectTostudythewatersavingrightafteranti—seepageliningoftrunkbranch,doucanalQualitativeanalysisthecomponentsofwaterrightstransfercostoftheprojectincludingseven:tllecostofwatersavingprojects,managi

5、ngandrunningcostsofwatersavingprojects,renovationcostsavingprojects,compensationofagriculturalirrigationriskecologicalcompensation,projectmanagementcompensation,compensationofpotentiallossofagriculturaloutputThetotalcost

6、oftherightdividedbytheconversionperiodandwateriswaterconversionpricePreparationwaterrightsconversionpriceprogramusingvisuallanguageVB,havingfollowingsteps:(1)determinetheformofchannellining;(2)calculatehydraulicelementso

7、fthechannels;(3)calculatevolumeofwatersavingandwaterconversionafterchannellining;(4)calculatewaterfightconversioncostsandpricesTheliningform:trunkistrapezoidal,branchisArcattheendofatrapezoidal,doucanalisU—shaped;accordi

8、ngtotheliningformoftrapezoidal,UshapedandArcattheendofatrapezoidalchannelscalculatehydraulicelements;computetheinfiltrationlossofchannelbyimprovedKosiakovempiricalformula,andthencalculatedtheconversionofwaterofchannels;s

9、urveydataofIrrigationReininNingxia,todeterminetheparametersofthecostaccordingtotheYellowRiverwaterrightconversioncostformula,usingwaterrightconversionpriceformulacaculatepriceofwaterrightsTakingtypicaltrunk,branch,doucan

10、alinIrrigationareasinNingxiaasallexample,calculatingwatersavingvolumeofchannelsperkilometerliningofthevolumeandpriceoftheprojectThewatersavingvolumeperkilometerofchannels:trunkis8114x104msbranchis15034x104m3,doucanalis30

11、24x104m3;waterrightconversionvolume:trunkis3486x104m3,branchis473x104m’,doucanalis086x104m3Inthecaseoflengthofthewaterrightconversionareunder25years,engineerprice:trunkisO33)man/(mj‘a(chǎn)),branchis054yuan/(m’a),doucanalis133

12、yuan/(m’‘a(chǎn)),waterconversionprice:trunkis1335yuan/(m3a),branchisl541yuan/(m3a)doucanalis2328yuan/(m3a)Therefore,theconversionofwaterrightsinacertainnumberofyears,theperkilometertnmksavethelargestamountofwaterandtheconvers

13、ionpriceisminimumWeshouldfirstconsidertheliningofthetrunk,andthenliningsticks、doucanal,sothatitwillhelptopromotetheconversionprojectsimplementationandimprovetheinitiativeoftheindustrialtocarryoutwatersavingconversionproj

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