学科分类
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436 个结果
  • 简介:CablewaysintheTibetanAreaLIYUCHUANTheinitialmethodinvolvedenclosingthestripsinwoodentubesoutfittedwithseats.Peopleweretranspo...

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  • 简介:Themountainousareas(mountain,plateauandhillyarea)covermorethan85%ofthetotallandterritoryofChina.Natureandhumanityinverymountainousareahasitsowngeographiccharacteristics.IntheprocessofindustrializationandurbanizationinChina,realizingthesustainabledevelopmentofthemountainousareas,optimizingman-landsystem,andadoptingandcontinuouslydevelopingcorrespondingeconomicmodesofthemountainousareaswithmulti-functionsofeconomy,ecology,cultureandsocietytocharacterizeproductioncontent,modeofproduction,modeofoperationisnotonlyhelpfultoeconomy,societyandecologicalvalueandisofgreataestheticvalue,butalsosolvethetechnologicalproblemsofthesubjectofstartingundertakingtofinallytransformtheregionalresourceadvantageofthemountainousareaintotheadvantageofcapitalandtechnologyforeconomicdevelopmentandtogetridofthecontradictionbetweenunderdevelopedeconomyandabundantresources.ThispapertakestheThreeGorgesReservoir(TGR)areaforexampletoshowthatit'sofgreatpracticalandtheoreticalsignificancetodevelop'FiveTypesofAgriculture'andtooptimizeecoenvironment,industrialstructure,departmentstructure,regionaldistribution,varietystructureandqualitystructure.

  • 标签: 三峡水库地区 山地 经济 发展模式
  • 简介:Apracticalmethodforvisualizingfloodareaandevaluatingdamageispresented,whichconsistsoftwotechnicalapproaches:self-programmingandadaptingcommercialGISplatforms.Thelow-costandeasy-to-useGIS-Basedmodeldevelopedbyself-programmingcanmeetcurrentrequirementsofmostlocalauthorities,especiallyindevelopingcountries.Inthismodel,twocases,non-sourcefloodandsourceflood,aredistinguishedandtheSeed-spreadalgorithmsuitableforsource-floodisdiscussed;Theflooddamageisassessedbyoverlayingthefloodarearangewiththematicmapsandotherrelatedsocialandeconomicdata.andallthematicmapsareconvertedtorasterformatbeforeoverlayanalysis.Twomeasuresaretakentoimprovetheoperationefficiencyofspeedseed-spreadalgorithm.TheaccuracyofthemodelmainlydependsontheresolutionandprecisionoftheDEMdata,andtheaccuracyofregisteringallrasterlayersandthequalityofattributedata.

  • 标签: 水灾地区 灾害评估 “seed SPREAD algorithm” 种子传播算法
  • 简介:It'saNo-ManbutColorful Area¥YANGYICHOUThehinterlandoftheQinghai-TibetPlateauiscomposedoftheKunlunandKarakorummountainsaswella...

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  • 简介:Five Scenic Spots In the Qamdo AreaFiveScenicSpotsIntheQamdoArea¥LIUGUANGXUEQamdoCityhasbeenbuiltforsome270years.TheQamdoarea...

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  • 简介:ThedressingofthepeopleinYamzhog(intheNangarzeCounty)isaffecteddeeplybysuchareasasLhasaandXigaze(Xigazearea),andithasuniquefeaturesbecauseoftheuniquehistoricalandgeologicalenvironmentsinYamzhog.

  • 标签: 西藏 服饰文化 生活方式 民族文化 装饰品
  • 简介:SiliconPhotodiodewithVerySmalSensitiveArea①YINChangsong,LIXiaojun(WuhanUniversity,Wuhan430072,CHN)Abstract:ThesiliconPNjuncti...

  • 标签: PHOTODIODE PHOTOELECTRIC CONVERSION PN JUNCTION
  • 简介:TheBohai,thelargestinlandseainChina,isabundantinmarineresources.However,withthepapereconomicgrowthintheCricum-BohaiBayAreaintherecentyears,theenvironmentalpollutioninthisareahasbecomemoreandmoreserious,resultinginasubstantialdeclineanddeteriorationofmarineresources.Inviewofthiscriticalsituation,themethodforsustainabledevelopmentofmarineresourcesintheBohaiSeaisdiscussed.Practicalmeasuresandfeasiblesuggestionsareputforwardinthispaperwiththepurposeofpreventingandcontrollingenvironmentalpollutionaswellasnaturaldisasters,andeventuallyachievingtheaimofthesustainabledevelopmentofmarineresourcesinthisarea.

  • 标签: 小皿 汉城 公网 甲山 一致
  • 简介:Theimpactofearthquakesinurbancenterspronetodisastrousearthquakesnecessitatestheanalysisofassociatedriskforrationalformulationofcontingencyplansandmitigationstrategies.Inurbancenters,theseismicriskisbestquantifiedandportrayedthroughthepreparationof'EarthquakeDamageandLossScenarios.'Thecomponentsofsuchscenariosaretheassessmentofthehazard,inventoriesandthevulnerabilitiesofelementsatrisk.ForthedevelopmentoftheearthquakeriskscenarioinIstanbul,twoindependentapproaches,onebasedonintensitiesandthesecondonspectraldisplacements,areutilized.Thispaperwillpresenttheimportantfeaturesofacomprehensivestudy,highlightthemethodology,discusstheresultsandprovideinsightstofuturedevelopments.

  • 标签: 地震 风险评估 伊斯坦布尔 强度 光谱转移 危害
  • 简介:Richly Endowed Qamdo Area In East TibetRichlyEndowedQamdoAreaInEastTibet¥LIMINGSENEastTibetboaststhreeriversfamousinAsia:theJ...

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  • 简介:1.TheproblemTheterm'concussion'referstoacommonformoftraumaticbraininjury,whichtypicallyoccursafterabloworinjurytothehead.Ithasbeendescribedasa'complexpathophysiologicalprocessaffectingthebrain,inducedbybiomechanicalfactors',andshearforcesinducedbyrotationalaccelerationarebelievedtobetheprimarymechanismofinjuryinconcussion.~1TheincidenceofconcussionintheUKhasbeenshowntobeup

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