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1、渭河中下游生態(tài)需水量研究分類號UDC密級學號11410710專業(yè)學位論文渭河中下游生態(tài)需水量研究王靈靈王靈靈西安理工大學工程領域:水利工程指導教師:賈忠華教授張宏斌教授級高工申請日期:2014年6月-1-萬方數(shù)據(jù)萬方數(shù)據(jù)Abstract-1-萬方數(shù)據(jù)西安理工大學工程碩士學位論文2萬方數(shù)據(jù)Abstract-3-萬方數(shù)據(jù)西安理工大學工程碩士學位論文methodsandrelatedresearch,suchasatypicalexample,definedtheconceptoftheWeiheRiverecological
2、waterdemandinthedomesticecologicaldeterminethecalculationmethodandtheprinciplesonthebasisoftheWeiheRiverwaterecologicalwaterdemandcalculationmethodselaboratedon.⑶onthebasisofanalysisofvarianceofthedataseries,throughavarietyofmethodscomparison,acomprehensiveanalys
3、isofthecalculationofthelowerlimitofthemaincontrollerofwaterdemand,waterdemandandsedimentpollutantwaterdemandindicators.⑷theriverecologicalwaterdemandbyasinglenumericaltargetfortheexpansionofthedistributionprocessduringtheyear.Thelowerlimitofecologyasalow-flowsche
4、me,thelowerlimitoftheecologicalflowandpollutantwhicheverisgreaterafterpurificationtrafficcontrollerscoupledastheprogramsoftheecologicalflowofthetrafficandtakethebigecologicalsuitabilityvaluesforeachpollutantasaself-cleaningflowcontrolcouplinghighecologicalflowsta
5、tionprogram,underwhichmonthlyecologicalwaterrequirementsproposedprocesscontrollersWeihetributariessevenyears.Keywords:WeiheRiver;waterresources;environment;ecologicalwaterdemand4萬方數(shù)據(jù)目錄目錄1緒論.....................................................................11.1研
6、究背景.............................................................11.2研究目的及意義.......................................................11.3研究進展.............................................................21.3.1國外研究進展...................................................2
7、1.3.2國內(nèi)研究進展...................................................31.4研究內(nèi)容及技術路線...................................................61.4.1研究內(nèi)容.......................................................61.4.2技術路線.......................................................62渭河中下游
8、水資源及生態(tài)環(huán)境現(xiàn)狀...........................................72.1渭河中下游概況.......................................................72.2水資源狀況...............................