学科分类
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375 个结果
  • 简介:Itwasafieldofwheatupto1987.Twentyyearslater,itisNo.1Gaoyuan(plateau)Street,Beijing.GaoyuanStreetisknownforbeingthesiteofBeijingTibetHighSchool.Enrollingmorethan800kidsfromtheQinghai-TibetPlateau,itisatpresentthebiggestTibethighschoolintheinteriorareasofChina.

  • 标签: 北京西藏中学 少数民族教育 教育政策 中国
  • 简介:1.We,therepresentativesofnationalandlocalgovernments,representativesofutilitiesandtheprivatesector,UnitedNationsagencies,multilateralfinancialinstitutions,otherinternationalorganizations,non-governmentorganizations,thescientificcommunityandacademia,andinternationalindustryassociations,

  • 标签: 北京 水力发电 财政制度 学术交流 国际组织
  • 简介:Twogianthydrogenationreactorstobeinstalledinthebu-tanol/octanolunitattheTianjinSodaPlantwillbethosemadeinChinaaccordingtothescientificsurveyandinvestiga-

  • 标签: 天津市 苏打 氢化反应堆 花卉栽培
  • 简介:Basedontheconceptofecosystemcarryingcapacity,theindicatorsystemofquantitativeassessmentwassetup,whichconsistedofsupportindicatorsystemandpressureindicatorsystem.Andthefactoranalysismethodwasusedtoscreentheindicatorsystem.Differentfromthetraditionalindicatorweightdeterminationbasedontheabsolutevaluesofthecoefficientsofregressionequation,thesquaresoffactorloadingsintherotatedcomponentmatrixwereattemptedtodeterminetheweightsof40assessmentindicators.TheresultshowsthatecologicalsupportsystemandpressuresysteminBinhaiNewAreaarerelativelybalancedamongsixyears,andthedevelopinglevelofurbanecosystemisbasicallyhealthyonthewhole.However,duetocontinuouslyincreasingpressureoftheresourcesconsumptioncausedbytherapidgrowthofthesecondindustry,whichistheLeadingIndustryofBinhaiNewArea,theecosystemcarryingcapacityreachedtheminimumin2005.

  • 标签: 城市生态系统 评价指标体系 滨海新区 承载能力 天津 载运
  • 简介:Anairsourceheatpumpsystem(ASHPS)usedinanofficebuildingissetupandstudiedexperimentally.Itsoperatingperformanceinwinterisevaluatedbasedontestdataandacomparativediscussionisgivenontheeffectofclimateconditionsandheatingloadratioontheoperationbehavior.Thenheatingcapacityvariationcausedbyevaporatorfrostingisanalyzedaswell.Finally,thedefrostingparametersandthetechnicalfeasibilityarestudiedforaconstantheatingdemand.TheexperimentalresultsindicatethatboththeoutletwatertemperaturedropandthesystemCOPshouldbetakenintoaccountwhensettingdefrostingparameters,andASHPSisaviabletechnologyforspaceheatingandhot-waterproductioninwinterinTianjin,whichcanmaintaintheroomtemperatureabove19℃whentheoutdoortemperatureis-2℃.

  • 标签: 天津 气源热泵系统 供暖 运行性能 除霜
  • 简介:一个城市的边界层模型(UBLM)被合并大楼的效果与改进一部分拖系数和一顶高度分布式的华盖拖长度规模。改进UBLM被使用与不同height-to-width比率在北京区域上在三典型的城市的块上模仿风地。为比较,在一样的块上的风地被明确地解决大楼的一个城市的子域规模模型模仿。从二个不同方法模仿的风地在好同意。然后,为北京的二维的造的词法特征和城市的华盖参数从造高度数据详细说明被导出。最后,experiements被进行用改进UBLM在北京在风地上调查大楼的效果。

  • 标签: 建筑物高度 北京地区 形态特征 风场模拟 城市街区 边界层模式
  • 简介:RedefiningBeijingForalongtimeBeijinghasservedasthepoliticalandculturalcenterforthecountry.WhileShanghaiandShenzhenwereencouragedtogrowandreachtheirfinancialgoals,Beijingcautiouslydodgedthelabelofa'financialcenter',inordertoavoidthecriticismof'redundantconstruc-tion'.However,BeijingisthebirthplaceofChina'sfinancialpolicies.Duetoitsspecialgeographicpositionanddrivetowards

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  • 简介:ThedesignsoftheBeijingOlympicvenueshaveattractedmoreattentionfromaroundtheworldthanthoseinanyprecedingOlympicGames.Forthe2008Olym-pics,Beijinghasprepared31venues,including12thatarenewly-built,11thathavebeenimprovedorexpandedand8whicharetemporary.Uniqueworld-classvenueslikethe'Bird'sNest'andthe'WaterCube'haveshockedtheworld,fullyreflectingthethreeconceptsofholdinga'GreenOlympics,High-techOlympicsandPeople'sOlympics'.

  • 标签: 北京奥运会 比赛地点 鸟巢 水立方
  • 简介:Womenaredifferentfrommenphysiologicallyaswellaspsychologically.Thisdifferentiation,however,wasoftenignoredinthepast.Oncerecognized,ithasledtobetterprosecutionworkinhandlingcriminalcasesinvolvingwomen.Basedonthisunderstanding,thePeople’sProcuratorateofChaoyangDistrictinBeijinghassetupall-womenprosecutorsquadstohandlecriminalcasesinvolvingwomen.Thesquadsaremadeupofwomenprosecutorswithatleasttenyearsofexperienceinhandlingcriminalcases.Women-to-womencontacthasinevitably

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