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500 个结果
  • 简介:InthispapertheshortagesofexplanationsonthecauseofTangshanearthquakesin1976arepointedout.Earth-quakephenomenaaroundTangshanearthquakesareanalyzedsynthetically,itisnoticedthatthemostprominentseismicphenomenonareseismicdensenessofML=4,butML=3andML=2isnotactiveinthesametemporal-spatialinterval,whichoccurredfrom1973to1975.Wethinkthatthephenomenonshouldcorrespondtorelativeintegrityofthecrustmediumunderhigherregionalstress.AssumingthattheseismicityincircumjacentregioncouldreflectthejostlingextentofsurroundingplatestowardtheChinesemainland,itisinferredthattherearemulti-dynamicalprocessesinNorthChinaregionin1970s,whichsupplythebasicdynamicalsourcetoTangshanearthquakes.Amodelofmulti-dynamicalprocessesandlocalweakeningofthecrustisproposedtoexplainthecauseofTangshanearthquakes.ThismodelcouldunpuzzlemanyseismicphenomenarelatedtoTangshanearthquakes.

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  • 简介:ColorfulCauseGearedtoHelpDevelopTibetZHIXIA,YONGLEInthegoldenautumnmonthofAugust,LiRuihuan,chairmanoftheChinesePeople'sPoliti...

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  • 简介:ThecurrentroundoffinancialcrisisstemmingfromtheU.S.isnowspreadingrapidlyallovertheworld.Peopleareyettoseewhatwillbecomeofthecrisis.Thereareentrenchedreasonsforthecrisis.

  • 标签: 美国 次贷危机 财政政策 经济影响
  • 简介:AnAIDScontrolcampaignspon-soredbyaSino-BritishprojectinmidOctobermadePanCongbin,anofficialinnorth-westChina'sGansuProvince,determinedtocarryitonandconstantlyraisehiscom-munity'sawarenesstopreventtheepidem-ic,althoughheisnotcertainaboutthefundingsource.

  • 标签: 爱滋病 卫生组织 公民 人权问题 中国
  • 简介:ForewordTheyear2003wasanimportantandunusualyearforChina’sdevelopment.Itwasalsoayearofgreat,landmarksignificanceforprogressinhumanrightsinthecountry.In2003,theChineseGovernmentdidagoodjobintacklingthesuddenoutbreakofSARSandcurbingitsspread,aswellasintacklingfrequentnaturaldisasters.Persistingintakingeconomicconstructionasitscentraltask,andstrivingfor

  • 标签: 山田 石山 棘器
  • 简介:China’saccessiontotheWorldTradeOrganization(WTO)representsastrategicsteptakenbythecountrytoopenitselfevenwidertotheoutsideworld,indicatingitsreadinesstogetinvolvedintheprocessofeconomicglobalization.

  • 标签: 山阴
  • 简介:<正>Hungary’sdomesticeconomicsystemreform,i.e.thefoundingofitsneweconomicsystemwasthehasisofaccessiontoGATT,solet’sreviewtheeconomicreforminHungaryfirst.Beginingin1968,Hungary’seconomicreformwascarriedoutundertheconditionofrapiddevelopmentofworldeconomy,cheapenergyandrawmaterialsandthepros-

  • 标签: founding ACCESSION cheap CAUSE COMMODITY planned
  • 简介:The19thNationalCongressoftheCommunistPartyofChinawasanepoch-makingPartyCongress.TheCongresssolemnlydeclaredthat'socialismwithChinesecharacteristicshasenteredanewera'.WiththemajorchangeinChina’shistoricalposition,thecauseofhumanrightsinChinahasalsoenteredaneweraofsocialismwith

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  • 简介:Thereportofthe19thCommunistPartyofChinaNationalCongressisadocumentwithanimportanthistoricalpositionanduniquehistoriccontributioninthehistoryofthePeople’sRepublicofChinaandthegreatrejuvenationoftheChinesenation.Thereportcanberoughlydividedintotwoparts:generalprinciplesandsubstantialcontent.Thegeneralprinciplescomprisefourissues,whicharejudgmentof

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  • 简介:Thisstudyexploresreasonsfortherandomoccurrenceofstampingcracksduringtheproductionofpureironmagneticshieldingcovers.Scanningelectronmicroscopyandenergyspectrumareusedtoobservecrackswithinparts,andresultsshowsignificantbrittlefracturemorphologywithchunksofmanganesesilicateandaluminumsilicateinclusionspresentinthefracturesurface.Thechemicalcomposition,mechanicalproperties,andmicrostructurearealsoanalyzedforacorrespondingbatchofcoldrolledpureironsheet.Theoxygencontentofthematerialisfoundtobehigh,resultingintherandomdistributionofalargeamountoflongchainmanganesesilicateandaluminumsilicateinclusionsalongtherollingdirection,whichcorrespondstoinclusionsfoundonthefracturedsurface.Thestampingcracksarethusassumedtobecausedbytherandomlydistributedchainofinclusionswithinthecoldrolledsheet.Itissuggestedthattheamountofdeoxidizerusedshouldbemorecarefullycontrolledtodecreasetheinclusioncontentsandtothusavoidtherecurrenceofsuchdefects.

  • 标签: 裂纹原因 屏蔽罩 铁磁性 夹杂物含量 扫描电子显微镜 冲压
  • 简介:IllegallogginghasbecomeaseriousprobleminforestmanagementinASEAN.Inthepaper,theillegalloggingstatusinASEANisintroduced,anditissurethatIndonesia,Malaysia,Brunei,Laos,MyanmarandCambodiaareproductioncountries,ThailandandVietnamaretheprocessingcountries,andPhilippines,Singaporeareconsumercountriesinthewholesupplychainofillegallogging.Aswell,thetradeflowsofillegalforestproductsofASEANarechecked,thecauseofillegallogginganditsproducingimpactsareassessed.Totackleillegallogging,onefeasiblewayistodesignecologicalsupplychaintosuperviseillegalloggingprocess,andundertheconceptofecologicalsupplychain,theproductioncountries,processingcountriesandconsumercountriesshouldtakeactionstogether.Non-ASEANcountriesshouldimprovebordercontrol,introducepublicprocurementpolicies,promotemarket-basedinstruments,andstrengtheninternationalcooperation.ForASEANcountries,theyshouldestablishcooperationmechanismswithintheregion,takeaunifiedaction,increasegovernancecapacityandpromotelegalityverificationorsustainabilitycertification.

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  • 简介:Byanalyzinghigher-accuracylocationdataoftheTangshanearthquakesequence,acleardistributionpatternofthreeaftershockbeltsintheNE,NWW,andNWdirectionsofhasbeenobtained.TheanalysisrevealsthreeruptureplanesofstrongeventsofMS7.8,MS7.1andMS6.9inthesequence.Itindicatesthatthecomplexpatterniscloselyrelatedtotheearthquakesource,andtheNE-,NWW-andNW-trendingregionalfaultzones,whichhavebeenrevealedbytheresearchofthepre-seismicityanomaly.Insummary,thesourceislocatedinthejunctionofthethreefaultzones,andtheruptureplanesofthethreestrongeventslocatedinthesourcecanberegardedasthelockedsegmentsonthethreefaultzones.Onthesegrounds,thepaperexplainsthecomplexityofthesourceandepicentraldistributionofaftershocks.

  • 标签: 地震序列 空间分布 唐山 原因 地震活动异常 数据分析
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  • 简介:雄激素受体(AR)调停了雄激素行动提供在男开发和功能的不仅一个古典枢轴的角色而且在女繁殖生理学的一个最近证明的角色。拼接AR的变体被报导发生在各种各样的雄激素敏感的癌症和现在,由王等的最近的研究。建议AR拼接变体在polycystic卵巢症候群(PCOS)有一个etiological角色。尽管进一步的调查被要求充分估价他们的发现的意义,这些精液的调查结果为在在PCOS的起源和致病发信号的AR的角色的理解打开新章有令人激动、重要的含意。

  • 标签: 多囊卵巢综合征 雄激素受体 变异体 剪接 原因 生殖生理学