简介：快速更换焊接模块。

简介：Asadevelopingcountrywithalargepopulationandafragileecologicalenvironment,Chinaisparticularlyvulnerabletotheadverseeffectsofclimatechange.BeginningwiththeRioConferenceof1992Chinahasplayedaprogressivelyenhancedroleincombatingclimatechange.Aseriesofpoliciesandmeasurestoaddressclimatechangehavebeentakenintheoverallcontextofnationalsustainabledevelopmentstrategy,makingpositivecontributionstothemitigationandadaptationtoclimatechange,among...

简介：Theproblemofclimatechangeisaglobalchallenge.Itiscloselyassociatedwithsocialdevelopmentandhumansurvival,andithasasignificantimpacttoallcountriesonenergydevelopment,economiccompetitiveness,technologicalinnovation,andwayoflife.Inrecentyears,withtherapideconomicdevelopmentinChina,thereisarumorthattherapidgrowthofChina'scarbondioxideemissionoffsettheeffortsoftheinternationalcommunityinreducingemissions,andChinashouldbeartheinternationalresponsibilitycorrespondingtoitssignificantroleingreenhousegasemission,whichobviouslyareunfairandnotobjective.Asthispaperreveals,'Chinaenvironmentresponsibility'thatisthesocalled'Chinaenvironmentthreat'ortheories,ChinahasmadeapositivecontributiontoaddressingtheclimatechangeinthepastandChinawillstillbethebackboneontheprotectionofglobalclimateinthefuture.

简介：Inthepast,Americanfamiliestendedtobequitelarge.Parentsraisingfiveormorechildrenwerecommon.Overtheyears,familieshavebecomesmaller.Onereasonforthisisanincreaseinthecostofliving.

简介：Theissueoffoodsecurityisacomplexone,and,withtheadvancementofglobalization,itisbecomingevermoreurgent.Andasclimatechangerisestothetopoftheinternationalagenda,thesecuritizationoffoodissuesisgrowingmorecomplex.Ithasturnedthespotlightontheissueoffoodsecurityandintroducesnewchallengestoeverynation.Historically,Chinahasbeenanagriculturalcountry,andthushasalwaysbeenconcernedaboutfoodsecurity,enactingvariousmeasuresandpoliciesovertheyearstoprotectitsfoodsupply.However,thereareinherentuncertaintiesandmanychallengesinthisarea.Todealwiththeproblemoffoodsecuritycausedbyglobalclimatechange,Chinaandothernationsshouldrethinkhowtheydealwithfoodsecurity,andestablishacomprehensivefoodsecuritystrategywhichengageswithotherstrategiesineconomicdevelopment,agricultureandruraldevelopment,energy,watersecurityandsocialdevelopment.

简介：AftertheSeptember11events,theinternationalpatternandgreatpowerrelationshavereadjusted.Theimportanceofnon-traditionalsecurityfactorsininternationalpoliticsriserapidly.Thehomelandsecurityissuethatvarioussovereignstatesareconfrontinghasbecomeprominent.Thesechangesre-challengethetraditionalsecurityconcept.

简介：China-ASEANcooperationonclimatechangeisanimportantcomponentofthecomprehensivestrategiccooperationbetweenthetwo.Thecooperationhasalreadymadesignificantprogressbuttheconstrainingfactorsstillexist.Itisintheinterestsofbothsidestofurtherenhancethecooperationintheclimateand

简介：Inthispaperweprovideamethodtotesttheexistenceofthechangepointsinthenonparametricregressionfunctionofpartiallylinearmodelswithconditionalheteroscedasticvariance.Weproposetheteststatisticandestablishitsasymptoticpropertiesundersomeregularconditions.Somesimulationstudiesaregiventoinvestigatetheperformanceoftheproposedmethodinfinitesamples.Finally,theproposedmethodisappliedtoarealdataforillustration.

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简介：Asacomplicatedconceptwithethicalimplications,equityorfairnessinthefieldofclimatechangemitigationconcernstherelationsnotonlybetweenindividualhumanbeingsbutalsobetweenhumanbeingsandthenature.Inthispaper,afterthereviewofequitybetweenindividuals,marketandnon-marketattributesofemissionsrightsaredistinguishedanddiscussed.Basedontheargumentofequalpercapitaemissionsrights,threetypesofemissionsrightsandtheconceptofminimumemissionsrightsassocialsecurityareproposed.

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简介：Withclimatechangedevelopingintooneoftheglobalfocalissues,thestrugglefortheinternationalpowerofdiscourseonclimatechangetendstobeintensified,Thestruggleisinessencethecontestfornationalinterestrevolvingaroundeconomicanddevelopmentinterest,Theweightofinternationalpowerofdiscourseacquiredbyeachcountryisdeterminedbyitsnationalstrengthanditsrelevantpoliciesaswell.

简介：Huangusedtodesiretobea"Phoenix"butlaterwaswillingtobecomea"ChickenintheGrass"-apainteramongthepeopleInthe1990s,likethosepursingartisticideal,HuangShaopengcametotheYuanmingyuaninBeijing.BeforecomingtoBeijing,he

简介：Thechangesofnumerairecanbeusedasaverypowerfultoolinpricingcontingentclaimsinthecontextofacompletemarket.Byusingthemethodofnumerairechangestoevaluateconvertiblebondswhenthevalueoffirm,andthoseofzero-couponbondsfollowgeneraladaptedstochasticprocessesinthispaper,usingItotheoremandGisanovtheorem.Aclosed-formsolutionisderivedunderthestochasticvolatilitybyusingfastFouriertransforms.

简介：August9,1993sawthereplacementofthe38-year-longLiberalDemocraticPartyruleinJapanbyaneweight-partycoalitiongovernmentunderPrimeMinisterMorihiroHosokawa.ItrepresentsahistoricchangeinthepostwarJapanesepolitics,achangeoffar-reachingsignificanceforJapanonthemarchto-wardsthe21stcentury.

简介：Fewotherpolicyzonesareascomplexastheissueofclimatechange.Ifthemorepessimisticprojectionsofclimatechangedoomarecorrect,thenthefailuretoaddresstheissueislikelytobecatastrophicandirreversible.TheInter-governmentalPanelonClimateChangehaspredictedthepotentialextinctionofmanyspeciesandthattheexistenceofsmall-islandandothervulnerablecountrieswillbethreatenedifbusiness-as-usualgreenhousegasemissionscontinue.Climatechangeisatransboundaryproblemandrequiresunprecedentedlevelsofcooperationbetweenstatesandseriousandsustainedresponsesfrommajoremitters.However,thegrowingdemandandconsumptionofnaturalresourcesforcontinuedenergysecurityandcornucopianeconomicgrowthhaveunderminedtheoutcomesofinternationalclimatechangenegotiations.Itisarguedherethatthereisastrongconnectionbetweenthemajoremitters’positionsatUnitedNations’climatetalks,theirpossessions,dependenceandconsumptionofnaturalresources,andthecontinuedunderminingofinternationalclimatechangepolicyforunsustainablegrowth.ThispaperassessestheresourcepoliticsoftheUS,China,India,Canada,Russia,andSaudiArabiaandtheirpositionsatclimatetalkstoshowthelinkbetweenlackofclimatechangepolicyprogressandthepositionsofthesemainplayers.

简介：Theconceptofsecurityhasbeenredefinedsincethe1990s.Asoneoftheimportantfactorsthreateninghumansecurity,globalenvironmentalchangehasbecomeanewchallengetothenationalsecurityandsocialdevelopment.Thenationalsecurityproblemscausedbyglobalenvironmentalchange,ononehand,arecloselyrelatedtotheglobalenvironmentalproblems,and,ontheotherhand,aremanifestedintheconflictsofinternationalaffairs.TheglobalenvironmentalchangeseverelychallengesthefuturedevelopmentofChina.WhenitcomestothestudyonhumandimensionsofglobalenvironmentalchangeinChina,muchmoreattentionshouldbepaidtoissuesofimportantenvironmentalchangethatmayhavegreatimpactsonthenationalsecurityofChina,tothescientificassessmentofthevulnerabilitiesofthenaturalandsocialeconomicsystemofChinatotheimpactsofglobalenvironmentalchange,andtotheactiveestablishmentofthenationalriskmanagementsystem,inwhichglobalenvironmentalchangeshouldbeincluded,soastomakecontributiontosustainabledevelopmentandconstructionofharmonioussocietyofChina.

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简介：Cultureservesasthespiritualessenceandmoralsupportforhumanrights,whereasthelatterprovidesthevalueorientationandgoalforculture.humanrightsareuniversalaswellasparticular,sinceeachnationfostersitsownperceptionsandvalueorientationsrelatedtohumanrights,whichleadstotheformationofahumanrightsculture.

简介：近日，美国研究人员称，世界上人口最密集的一些地区的河流出现了流量下降的情况，而这大多是由气候变化所致。如果再加上筑坝、灌溉、以及其他水资源利用的影响，这些变化会对这些地区未来的食物和水源供应构成威胁。