学科分类
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57 个结果
  • 简介:有在位于亩的东南的Salawusu河山谷的Milanggouwanstratigraphic节的palaeosols的palaeo活动的沙丘沙和fluvio湖的外形我们自从150kaBP,和谷物尺寸参数鈥?Mz,荒芜的富有经验的丰富的显著选择在grainsize粗糙、好的节奏变化,蟽,Sk,Kg和SC/D也对在山峰和山谷价值之间的multi-fluctuational引申的状况作出回应。同时性grainsize特征值鈥??5,?16,?25,?50,?75,?84并且?95是respondingly被表明极大地有节奏的跳动。在此,Milanggouwan节能被划分成粗糙、好的27谷物尺寸沉积当自从150kaBP,荒芜的变化的气候地质的过程的一个真实、综合的记录源于古老的冬季的其他的发展和东亚的夏天季风,骑车,它能被考虑。

  • 标签: Salawusu River VALLEY Milanggouwan section 150
  • 简介:ContinentalChinahasmoveddextralEastwardsinceCenozoictime,drivenbythecollisionoftheIndianwiththeEurasianplate.Evidenceforthiscomesfromlandscapeevolution,thedistributionofearthquakeepicenters,Cenozoicsedimentaryandvolcanicrocks,andthemeasurementofGPSvelocityvectors,thedistribntionofcrustalstress,paleomagneticdata,anddeepmantlestructure,amongothers.Thismovementcommencedaround40Ma,coupledwiththickenedlithosphereandwidespreadstressreleasealongstrikeslipfaultsthatboundthecontinentalChineseblock.BecauseofcontinuedNorthwardsubductionoftheIndianplate,manifestationofthedextralmovementhasintensifiedsince25Ma.Far-reachingeffectsincludeextensivestrike-slipmovementontheTan-LufaultinEasternChina,formationoftheDabieultrahighpressuremetamorphicterrane,extensivethrustfaultsinEastChina,delaminationandthickeningofthelithosphereofSouthChina,apossibletectonicdoublingoftheMiddle-LowerYangtzeValleymetallogenicbelt,andtheformationoftheJapan,Huanghai(EastChina),andSouthChinaSea.

  • 标签: Dextral MOVEMENT EFFECT SINCE CENOZOIC CONTINENTAL
  • 简介:<正>Itispointedoutforthefirsttimeatthe18thCPCNationalCongressonNovember8,2012that"publicdiplomacyandculturalexchangesshouldbepushedforward",signifyingintegrationofpublicdiplomacyintoChina’snationalstrategy.Overthepastyear,China’spublicdiplomacyhasmaderemarkableprogressininstitution-building,

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  • 简介:SincetheestablishmentofthenewChinese,familyplanningpolicyinourcountryhasexperiencedthedevelopmentcourseofwavetype.Wefoundthatchangesinfertilitypolicyalongwiththecontinuousadjustmentofsocialmechanism,fromthe1950smainlybyadministrativeplanandcontrolmode,graduallytothe1990smainlybyguide-serviceandsecuritymode.Thecurrentfertilitypolicy,leapthelimitationsofpureadministrativeorders,underthecareofsocialmechanism,softentheinstitutionalpowersingleimpliedinthewholesocialframework,throughthepowersystemofmultilevel,reconcilethegapbetweennationalpopulationawarenessandindividualreproductivebehavior,providetheharmoniousstrengthforpopulationdevelopment.

  • 标签: 社会机制 计划生育 新中国 调整 变迁 行政命令
  • 简介:在北半球从14个地点把重建和代理数据基于温度,这篇论文集中了于比较在北极和另外的区域之间的温度变化的周期包括大西洋,欧洲,中国,亚洲,和平,印度洋,并且美洲在到最后冰川的最大值的从最后Interstade的转变期间,从最后冰川的最大值到在Holocene和由单个光谱分析(SSA)的方法的小冰川期(LIA)的转变的megathermal时期结果证明在北极的环境变化在北美人并且更好很类似于那类似于亚洲,大西洋和太平洋,最不类似于印度洋和欧洲。温度的1500年的摆动在北极和欧洲两个都存在。

  • 标签: 气候变换 北极圈 北半球 间冰段
  • 简介:TakingtheHuaihetotheNvshanhusegmentoftheTanlu(Tancheng-Lujiang)faultzoneasthemainresearchtargettoexplorewhethertherehasbeennewactivitysincethelateQuaternary,andbasedontheinterpretationofremotesensingimagesandrepeatedsurfaceinvestigations,weexcavatedtrenchesatthesectionswherethetectoniclandformissignificant,identifiedandrecordedthedeformationpatternsofthefaultandanalyzedtheactivitybehavior.Samplesofnewactivityanddeformationwerecollectedandorientedslicesweregroundbasedonthesamples'originalstatetomakethemicrostructuralanalysisanddemonstration.Alloftheaboveresearchshowsveryclearlineartectonicgeomorphologyalongthefault,threetrenchesacrossthefaultzoneallrevealednewdeformationtracessincelateQuaternary.ThelateststratumdislocatedbythefaultisthelateQuaternaryandHolocene.Themainslipmodeisstickslip,asrepresentedtypicallybyfaultscarps,wedgeaccumulation,thefaultsandthefilledcracksandsoon.Ingeneral,itshowsthecharacteristicsofbrittlehigh-speeddeformationandbelongstotheprehistoricearthquakeruins.Theaboveunderstandingwasconfirmedpartiallybymicroscopicanalysis.Inaddition,thesimilaritiesanddifferencesandthepossiblereasonsforthecharacteristicsofthelatestactivitiesoftheTancheng-LujiangfaultzoneinthenorthandsouthoftheHuaiheRiverregionsarealsodiscussedinthispaper.

  • 标签: 郯庐断裂带 晚第四纪 新活动 淮河 郯城-庐江断裂带 变形模式
  • 简介:Studyingtheprocessandcharacteristicsofurbanlandchangeindifferentphasesofurbanizationanddifferenteconomicdevelopmentismuchimportantforunderstandingurbanlandchangeandmanagementatamacrolevel.TakingtheexampleofJiangsuProvince,thepresentpaperstudiedthecorrelationbetweenurbanlandchangeprocessandsocioeconomicdevelopmentfrom1981to2003onthebasisofstatisticaldata.Theresultsshowedthefollowingthreeaspects.First,urbanlandareahaschangedperiodicallyandtheresearchdurationcanbedividedintotwoperiods:from1981to1994andfrom1995to2003.Ineachperiod,thechangingtrendisthesame,i.e.slowatfirstandthenquick.Studyingfromthecomprehensivechangestatus,thecharacteristicoffluctuantchangeissignificantwiththreeacutechangepinnaclesin1988,1991and2002whichwerecorrespondedtoturningpointyearsofeconomicdevelopmentphasesofJiangsuProvincerespectively.Second,thesynchronizationbetweenurbanlandchangeandurbanizationlevelchangeisnotstrict.Withtheevolutionofurbanizationphases,thechangepaceofurbanizationlevelincreasedremarkably,buturbanlandchangeratedidnotincreasesignificantlyaccordingly.Third,theareaofurbanlandhasexponentiallyincreasedwiththeincreaseofpercapitaGDP.IndifferenteconomicdevelopmentlevelsclassifiedbypercapitalGDP,landresourcecostforeconomicdevelopmentisdifferent,respectively29.01hm2,26.34hm2,26.22hm2,and11.14hm2fortheincreaseof100millionRMBGDPwhenthepercapitaGDPisunder1000,1000–2000,2000–5000andover5000RMB.

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  • 简介:BecauseofthesignificancetotheformationandevolutionoftheTibetanplateau,thedisplacementandsliprateoftheAltynTaghfaulthavebeentopicsfullofdisputation.ScientistswhoholddifferentopinionsontheevolutionofTibetinsistondifferentslipratesanddisplacementsofthefaultzone.Inthearticle,studyisfocusedonthelateQuaternarysliprateoftheAltynTaghfaultwestoftheCherchenRiver(between85°Eand85°45'E).OnthebasisofhighresolutionSPOTimagesoftheregion,threesites,namelyKoramlik,AqqanpastureandDalakuansay,werechosenforfieldinvestigation.Tocalculatethesliprateofthefault,displacementofterraceswasmeasuredonSPOTsatelliteimagesorinsituduringfieldworkandthermo-luminescence(TL)datingmethodwasused.Togettheagesofterraces,samplesofsandwerecollectedfromtheuppermostsandbedsthatliejustunderloess.Themethodforcalculatingsliprateoffaultistodividethedisplacementofterracerisersbytheageofitsneighboringlowerterrace.Thedisplacementofriversisnotconsideredinthisarticlebecauseofitsuncertainties.AtKoramlik,thesliprateoftheAltynTaghfaultis11.6±2.6mm/asince6.02±0.47kaB.Pand9.6±2.6mm/asince15.76±1.19kaB.P.AtAqqanpasture,about30kmwestofKoramlik,thesliprateis12.1±1.9mm/asince2.06±0.16kaB.P.AtDalakuansayi,thesliprateofthefaultis12.2±3.0mm/asince4.91±0.39kaB.P.Hence,wegettheaveragesliprateof11.4±2.5mm/aforthewesternpartoftheAltynTaghFaultsinceHolocene.ThisresultisclosetothelatestresultsfromGPSresearch.

  • 标签: Altyn Tagh 断层区域 滑动倾向 地形水平错距 位移率
  • 简介:Baosteel's5mheavyplateplantwassuccessfullytestedonMarch1,2005.Sincethen,theHeavyPlatePlantofBaosteel(hereinafterreferredtoas'theplant')hasbeenencouragingitsemployeestostudyandtracetheadvancedheavyplatetechnologies,tryingtofindouttherulesofheavyplateproductionanditsqualitycontrol.TheplanthasgraduallymasteredthismodernheavyplateplantandensuredthatBaosteel'sproductionofheavyplatesgrewyearbyyear,with1.41Mtproductputinstoragein2007.Theplanthasfocusedondevelopingnewtechnologiesandproducts,meanwhileenhancingitscapacity.Ithasproducedaseriesofplateproducts,whichcanbeusedinmanufacturingshiphulls,pipelines,bridges,buildings,boilersandpressurevessels.

  • 标签: 宝钢集团 钢铁企业 发展现状 厚板材 技术创新
  • 简介:Huanghe河三角洲是世界的大河之一,自从最后,Huanghe河里的Huanghe河三角洲paleoenvironmental进化是一个热问题冰川。基于联合AMS14核心DYZK1沉积标明日期在的C在亚底部侧面上Huanghe河三角洲和声学的顺序沉没了,phytolith分析在96件沉积样品上被执行。谷物尺寸参数,磁性的危险性与biostratum的垂直变化被相结合重建在Huanghe河三角洲的paleo沉积、气候的条件。在索引参数有一条重要垂直变化法律的学习结果表演,和Huanghe河三角洲的那沉积环境经历了河的facies-sealand转变的进化进程外形潮汐的完全外形浅海的faciesdelta外形自从26.0kaB。P...phytolith分析结果如下。第一,phytoliths被划分成矛尖状,光滑伸长,多刺伸长,一种特殊格律,长矩形,bulliform和其它类型。在不同sedimental环境,phytolith内容定期变化,显示phytolith在沉积环境有的一样装配稳定性的某个度。第二,矛尖状,phytoliths的光滑伸长和多刺伸长范畴在潮汐的扁平的外形和三角洲免职有更大的内容,当时一在浅海的外形的更小的内容和河的外形环境。通过变化系数的比较分析,第三,在沉积的主要phytolith范畴的内容在sealand转变外形和河的外形免职有一个更大的变化振幅,当在tidalflat外形和三角洲外形免职是更稳定的时。

  • 标签: 黄河三角洲地区 古环境演化 植硅体 高分辨率 河流相沉积 沉积环境
  • 简介:Sincethe18thNationalCongressoftheCommunistPartyofChina(CPC),thesystemforthelegalprotectionofhumanrightsundersocialismwithChinesecharacteristicshasexperiencedinnovativedevelopment.Inparticular,theDecisiononCertainKeyIssuesonComprehensivelyDeepeningReform,whichwasadoptedbytheThirdPlenarySessionofthe18thCPCCentralCommittee,

  • 标签: 法律保护 中国共产党 人权 创新 中国特色社会主义 社会主义制度