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16 个结果
  • 简介:LocatedinthenorthernpartofTibet,NagchuPre-fecturecoversanareaof0.42millionsquarekm.AsaState-classnaturereserve,itisamajorhabitatofvari-ouswildlife,suchasantelopes,argalis,black-neckedcranesandwildyaks,whicharelistedbytheStateasanimalssubjecttofirst-classprotection.Inrecentyears,theForestryBureauofNagchuareabuiltmanynaturereservesofdifferentlevelsandadoptedeffectivemeasuresfortheprotectionofwildanimals.Asaresult,somespeciesofendangeredwild

  • 标签: 西藏 野生动物保护 生态环境 自然保护区
  • 简介:差错露头和沟节的分析与0.047mm/a和1.1米的平均排水量的最大的率在Epipleistocene的底部paleosol层上显示0.2m6.0m的差错排水量。这项活动在迟了的Epipleistocene在差错表面上作为裂缝出现,没有明显的排水量。差错活动是弱的,最活跃的片断是Bailuynan片断。

  • 标签: 活动层 地震带 断层移动 露头岩
  • 简介:Allimagescourtesyoftheartists■LorettaYangHui-shan(杨惠姗)andChangYi(张毅)areinseparable.Theyhavedoneeverythingtogether,includinggivingupstardom20yearsagotopursueacareerincontemporaryglassart.WithtwoGoldenHorseawardsandaprizefromtheAsia-Pacific

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  • 简介:FollowingtheexcavationoftheNos.2and3ruinsoftheGuigongPalace桂宫in1997,theSino-JapaneseJointArchaeologicalTeamofIA,CASSandNaraNationalCulturalPropertiesInstitutecontinuedexcavatingtheNo.4buildingruinsfromtheautumnof2000tospringof2001.ItliesatLiucunbu六村堡VillageofLiucunbuTownshipinWeiyang未央District,Xi'an西安City,25mnortheastofTiesuoVillage铁锁村,182meastofthewesternpalace-walland215msouthofthenorthernpalace-walloftheGuigongPalace,HanChang'an长安City.TheHanperiodruinsabovethegroundsurfaceweredamaged,onlytheHanfloorandbeneathitremain.

  • 标签: 建筑遗迹 桂宫 汉朝 西安市 中国 文物考古
  • 简介:Yun-changWang,aChinesemycologistandpathologist,wasborninNeihuangcountyofHenanprovince.AfterhisgraduationfromAgriculturalCollegeofPeipingUniversity,hebecameanassis-tantresearcherinBotanyInstituteofPeipingInsti-tute.In1936,hestartedhisstudyinBelgiumandtwoyearslaterwasgrantedadoctorateby1'UniversitédeLouvain.Since1939,hehassucces-sivelytaughtinZhejiangUniversity,SichuanUni-versity,NorthwestAgriculturalCollege,Northwest

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  • 简介:Anovelautomaticseamlessstitchingmethodispresented.Comparedtothetraditionalmethod,itcanspeedtheprocessingandminimizetheutilizationofhumanresourcestoproducegloballunarmap.Meanwhile,anewglobalimagemapoftheMoonwithspatialresolutionof~120mhasbeencompletedbytheproposedmethodfromChang’E-1CCDimagedata.

  • 标签: CCD图像 嫦娥一号 无缝拼接 拼接方法 探月 空间分辨率
  • 简介:<正>ChangDai-chien[ZhangDaqian](1899-1983)wasanativeofNei-chiang,whereSzechwanprovinceofChina.HisoriginalgivennameChuanwaslaterchangedtoYuan,whilehischildhoodnameChiwaslaterincorporatedintohisstudionameChi-yuan.HetookthereligiousnameDai-chienuponbecomingaBuddhistmonk,andafterreturningtothelaityhecalledhimselfDai-chienchu-shihor"LaybelieverDai-chien."

  • 标签: himself RELIGIOUS CHILDHOOD Chuan studio incorporated
  • 简介:2006年北美春季大赛4月9日在美国达拉斯闭幕,在本次大赛含金量最高的项目——范德比尔特杯的比赛中,福中和赵杰加盟的Chang队一路闯关进入决赛,与3号种子Welland队相遇。决赛分4节进行,64副牌。前半程Chang队领先35IMP,但第3节结束时优势缩小到10IMP,最终Chang队顶住压力,以总比分112:96击败对手,勇夺冠军。

  • 标签: 2006年 北美春季大赛 范德比尔特杯 Chang队 种子队 桥牌
  • 简介:Amapoftheaverageatomicnumberoflunarrockandsoilcanbeusedtodifferentiatelithologyandsoiltypeonthelunarsurface.Thispaperestablishesalinearrelationshipbetweentheaverageatomicnumberoflunarrockorsoilandthefluxofpositionannihilationradiation(0.512-MeVgamma-ray)fromthelunarsurface.TherelationshipisconfirmedbyMonteCarlosimulationwithdatafromlunarrockorsoilsamplescollectedbyLuna(Russia)andApollo(USA)missions.AmapoftheaverageatomicnumberofthelunarrockandsoilonthelunarsurfacehasbeenderivedfromtheGamma-RaySpectrometerdatacollectedbyChang’e-1,anunmannedChineselunar-orbitingspacecraft.Inthemap,thehigheraverageatomicnumbers(ZA>12.5),whicharerelatedtodifferenttypesofbasalt,areinthemariaregion;thehighestZA(13.2)readingsareassociatedwithSinusAestuum.ThemiddleZA(~12.1)regions,intheshapeofirregularovalrings,areinWestOceanusProcellarumandMareFrigoris,whichseemstobeconsistentwiththedistributionofpotassium,rareearthelements,andphosphorusasauniquefeatureonthelunarsurface.Theloweraverageatomicnumbers(ZA<11.5)arefoundtobecorrelatedwiththeanorthositeonthefarsideoftheMoon.

  • 标签: AVERAGE atomic number LUNAR rock and
  • 简介:1.Introdution:Thestudiedoredepositislocatedinthebeltofpolymetallicoredepositsinthemiddle-lowcourseoftheYangtzeRiver,andTanchcng-LujiangandXiaotian-Mozhitandeepfracturezoneslieinthewestadsouthpartoftheoredepositrcspectivcly.Lujiang-Zhongyangvolcanicbasin(theMesozoicEra)liesineast,andtheoredistrictisa

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  • 简介:作为CDMA技术的发明人和IS-95CDMA标准的制定者,高通公司一直走在CDMA发展的前列。公司成立于1985年7月,总部位于加利福尼亚州的圣地亚哥,分支机构遍布世界各地。其员工自创建时的七人迅猛增加到现在的九千多人。到目前为止,高通公司已在如多个国家都部署了成千上万套的CDMA网络。并向遍布世界的50多个通信产品制造商发放了其IS-95CDMA技术许可。

  • 标签: 产品经理 高通公司 世界 CDMA技术 分支机构 员工
  • 简介:InthesecondyearofKaihuang开皇reign(AD582),SuiDynastyEmperorWendi文帝issuedthedecreeofconstructinganewcapital,whichwascalledDaxing大兴.AfterthefoundingoftheTangDynastyinthefirstyearofWude武德,reign(618),thiscityremainedthecapitalbutwasrenamedChang'an.

  • 标签: 西安市 唐朝 首都 城市发展 中国 日本
  • 简介:DrivenbycuriosityaboutpossibleflightoptionsfortheChang’e-2spacecraftafteritremainsattheSun-EarthL2point,effectiveapproachesweredevelopedfordesigningpreliminaryfuel-optimalnear-Earthasteroidflybytrajectories.Theapproachesincludetheuseofmodifiedunstablemanifolds,gridsearchofthemanifolds’parameters,andatwo-impulsemaneuverfororbitalphasematchingandz-axisbiaschange,andaredemonstratedtobeeffectiveinasteroidtargetscreeningandtrajectoryoptimization.Asteroidflybysareexpectedtobewithinadistanceof2×107kmfromtheEarthowingtotheconstrainedEarth-spacecraftcommunicationrange.Inthiscase,thespacecraft’sorbitalmotionissignificantlyaffectedbythegravitiesofboththeSunandtheEarth,andtherefore,theconceptofthe"heliocentricoscillating-Keplerorbit"isproposed,becausetheclassicalorbitalelementsoftheflybytrajectoriesreferencedintheheliocentricinertialframeoscillatesignificantlywithrespecttotime.Theanalysisandresultspresentedinthisstudyshowthat,amongtheasteroidswhoseorbitsarethemostaccuratelypredicted,"Toutatis","2005NZ6",or"2010CL19"mightbeencounteredbyChang’e-2inlate2012or2013withtotalimpulseslessthan100m/s.

  • 标签: 近地小行星 飞行轨迹 地球 太阳 轨道运动 不稳定流形