简介：<正>OnNovember29,2001,thethreedayCentralEconomicWorkingConferenceconcluded,inwhichtheproposalofeconomicworkinyear2002waspresented.TheconferencepointedoutthatexpendingdomesticdemandisastrategicpolicythatChinawilladheretoforthelongterm.TheconferencesaidthatdomesticdemandexpansionshouldbeintegratedWithstrategicadjustmentofeconomicstructure,deepeningofeconomicreform,increasingemployment,improvingthelivingstandardsofpeopleand

简介：<正>Asthefirstyearofthenewcenturyandthe10thfive-yearplan,2001broughtsuccessandhappinesstoChina.Meanwhile,theawful9-11terroristattackthrewtheUSeconomyintoturmoilandtheEurohasbeensluggish.Theglobaleconomygrewonly1.09%in2001,contrastingwithChina’s4.7%growthrate(FM).GlobalcapitalflowplungedfromUS$6,000billion(6,000,000,000,000)lastyeartoUS$700billion(700,000,000,000).Manycountriescanhardlymaintainagrowthrateof3%,suchasIndonesia,Malaysia,ThePhilippinesandThailand.Incontrast,China’s

简介：Aconvection-allowingensembleforecastexperimentonasqualllinewasconductedbasedonthebreedinggrowthmode(BGM).Meanwhile,theprobabilitymatchedmean(PMM)andneighborhoodensembleprobability(NEP)methodswereusedtooptimizetheassociatedprecipitationforecast.Theensembleforecastpredictedtheprecipitationtendencyaccurately,whichwasclosertotheobservationthaninthecontrolforecast.Forheavyrainfall,theprecipitationcenterproducedbytheensembleforecastwasalsobetter.TheFractionsSkillScore(FSS)resultsindicatedthattheensemblemeanwasskillfulinlightrainfall,whilethePMMproducedbetterprobabilitydistributionofprecipitationforheavyrainfall.Preliminaryresultsdemonstratedthatconvection-allowingensembleforecastcouldimproveprecipitationforecastskillthroughprovidingvaluableprobabilityforecasts.Itisnecessarytoemploynewmethods,suchasthePMMandNEP,togenerateprecipitationprobabilityforecasts.Nonetheless,thelackofspreadandtheoverpredictionofprecipitationbytheensemblemembersarestillproblemsthatneedtobesolved.

简介：ThecurrentstatusofcatalyticreforminginChinaisreviewedandaforecastofthedevelopmentinacoupleofyearsoradecadeisgiven.Distinguishedfromthepastdecade,thefuturetrendwillbefocusedonrevamps,expansions,higherseverity,diversifiedfeeds,combinationwithotherprocessesforhigherproductquality,andnovelcatalystsandequipment

简介：BasedontheGlobalRegionalAssimilationandPredictionSystem-TropicalCycloneModel(GRAPES-TCM),anensembleforecastexperimentwasperformed,inwhichTyphoonWiphaduringtheperiodimmediatelypriortolandfallwasselectedforthestudyandthebreedingofgrowingmode(BGM)methodwasusedtoperturbtheinitialconditionsofthevortexfieldandtheenvironmentfield.TheresultsoftheexperimentindicatethateachmemberhadadifferentinitialstatusinBGMprocessingandtheyshowareasonablespreadamongmembersalongwiththeforecastphase.Changesinthelarge-scalefield,thermodynamicstructure,andspreadamongmemberstookplacewhenWiphamadelandfall.Thesteeringeffectofthelarge-scalefieldandtheinteractionbetweenthethermodynamicsandthedynamicsresultedindifferenttracksofthemembers.Meanwhile,theforecastuncertaintyincreased.Insummary,theensemblemeandidnotperformaswellasthecontrolforecast,buttheclustermeanprovidedsomeusefulinformation,andperformedbetterthanthecontrolinsomeinstances.Thepositionerrorwas34kmfor24hforecast,153kmfor48hforecast,and191kmfor66hforecast.Thestrikeprobabilitychartqualitativelydescribedtheforecastuncertainty.

简介：AsthesouthChinaearlyricegrowingareainisharvesting,thericemarkettrendhasbecomeamatterofinteresttorelatedpersons.Inordertohelpgrainandfeedindustrymakecorrectbusinessdecisionatthistime,Zhengzhouwholesalegrainmarketstandingatthehistoricalandtradingpoint,analysessystematicallyofthe

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简介：ChineseNdFeBmagneticindustryhasmadegreatimprovementinthepastfewyears.GlobalproductioncenterofNdFeBmagnetshasbeenmovedtoChina,mainlybasedinNingbo,Taiyuan,BeijingandTianjin.ChinahasdevelopedintothelargestproducerofsinteredNdFeBintheworld.SinteredNdFeBmagnetsarewidelyappliedinhightechfieldssuchasVCM,MRI,CD-pick-upandCD-ROMinChina.VCM(voicecoilmotor)isonecomponentofharddiskdrive,whichisamostcommonusedperipheraltostoreinformation...

简介：Bycombiningconventionalgreycorrelationanalysis,greyclusteringmethodandgreyforecastingmethodswithourmulti-goalforecastthoughtsandthetechniquesofgreytimeseriesprocessing,wedevelopsixdifferentgreyearthquakeforecastmodelsinthispaper,UsingtherecordofmajorearthquakesinJapanfrom1872to1995,weforecastfutureearthquakesinJapan.Wedevelopanearthquakeforecastmodel.ByusingthemajorearthquakesinJapanfrom1872to1984,weforecastearthquakesfrom1985to1995andchecktheprecisionofthegreyearthquakemodels.Wefindthatthegreysystemtheorycanbeappliedtoearthquakeforecast.Weintroducetheaboveanalysismethodsandgivearealexampletoevaluateandforecast.Wealsofurtherdiscusstheproblemsofhowtoimprovetheprecisionofearthquakeforecastandhowtostrengthentheforecastmodelsinfutureresearch.

简介：Basedonthedatafrom2002to2010,thepaperanalyzedthesituationoftimbersupplyanddemandinChina,andconcludedthatsupply-demandcouldbebalancedbasicallyiftakingaccountingoftimberimport.BasedonthedatafromtheSeventhNationalForestryInventory,thepotentialofprovidingtimberfromnaturalforestandplantationwasanalyzed.ThepaperalsoforecastedthefuturefeaturesandtrendoftimbersupplyanddemandinChina.Intheend,strategicmeasuresandtechnologicalandpolicygua...

简介：Inthispaper,thesystemandsubsystemforecastmodelsforfiringaccuracyhavebeenbuiltbymeansoftheoryofGreySystemForecast.Ithasprovidedascientificforecastingmethodformicro-errorcontrolandmacro-error-controlandimprovingthefiringaccuracy.

简介：Aquantitativeschemeisputforwardinourworkofforecastingthestormrainfalloftyphoonsforspecificsites.Usingtheinitialparameters,weathersituationsandphysicalquantitiesaswellasnumericalweatherpredictionproducts,theschemeconstructsmultivariate,objectiveandsimilaritycriteriaforenvironmentalfactorsforthetimebetweenthecurrentandforthcomingmomentwithinthedomainofforecast.Throughdefininganon-linearsimilarityindex,thisworkpresentsacomprehensiveassessmentofthesimilaritybetweenhistoricalsamplesoftyphoonsandthosebeingforecastintermsofcontinuousdynamicstatesunderthemultivariatecriteriainordertoidentifysimilarsamples.Thehistoricalrainfallrecordsofthesimilarsamplesareusedtorunweightedsummarizationofthesimilarityindextodeterminesite-specificandquantitativeforecastsoffuturetyphoonrainfall.Samplesresemblingthetyphoonbeingforecastareselectedbydefininganon-linearsimilarityindexcomposedofmultiplecriteria.Trialtestshavedemonstratedthatthisschemehaspositivepredictionskill.

简介：Chinarareearthindustrydevelopsinafastandstablewayinrecentyears.Domesticrareearthconsumptionincreasesrapidlyandtheconsumptionstructureismarkedlyoptimized.Exportvolumeofrareearthsisreducedbutthepricerises.Rareearthindustrialclustersdevelopfastandharmoniously.Exploitation,dis-

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简介：TheSaemangeumprojectincludeswell-developedtidalflats,twoestuariesoftheMankyeongandDongjinrivers,andachainofsmalliskandsintheouterareaoffthedikebyreclaimingasurfaceareaof40100ha.Alongseadikeof30kmhasbeenconstructedinthemid-westareaofKorea.ThispaperdescribestheconstructionoftidaldikesfocusingonthefinalclosureoperationperformedinApril,2006employingintermediatetechnology.Predictivemodellingwasalsocarriedouttopredictthereal-timeflowfieldsduringthegradualclosureoperationofthefinalstage.

简介：TheChinaElectricityCouncilpublishedthereportontheanalysisofpowersupplyanddemandsituationacrossthecountryin2011recently.Accordingtothereportitisforecastedthatin2011,China'seconomywillkeepsteadyandfastgrowth,andpowerdemandwillcontinuetoincrease.Theelectricityconsumptionofthewholesocietyacrossthecountrywillreachabout4700TWhwithayear-on-yeargrowthofabout12%,whichwillslowdowntosomeextentascomparedwith2010.Withtheimplementationofindustrialdevelopment,energy-savingmeasuresandtariffpolicies,thegrowthandstructureofelectricityconsumptionwillbegreatlyimproved.

简介：作为预报问题的数据吸收和整体的一条统一途径，整体Kalman过滤器(EnKF)被用来暴风雨整体预报在232007年5月30日期间在东亚指向一个灰尘事件调查灰尘的性能。输入风地，灰尘排放紧张，和干燥免职速度里的错误在重要模型不确定性之中并且在模型错误不安被考虑。这些模型错误没被假定有零工具。代表模型偏爱的模型错误工具作为数据吸收进程的部分被估计。从一个激光雷达网络的观察被吸收产生起始的整体并且改正模型偏爱。整体预报技巧与观察和一张基准/控制预报被作比较，没有任何观察的吸收，它是简单模型跑。没有模型偏爱修正，另一个整体预报实验也被执行以便检验偏爱修正的影响。结果证明整体平均数，确定的预报在控制上有实质的改进预报并且正确地捕获在每个观察地点预定的主要灰尘到达和停止。然而，当预报铅时间增加，预报技巧减少。偏爱修正进一步改进了预报在在风区域下面。在24个小时以内的预报最被改进并且比那些好没有偏爱修正。用操作典型曲线和区域的荆棘分数和亲戚的整体预报技巧的考试显示预报系统的整体有有用预报技巧。

简介：AfterseveraldecadesofdevelopmenttheprocessingcapacityofChineserefinerieshasreached276milliontonsperyear,rankingthefourthintheworld.TherefiningindustryhasmadegreatcontributiontothegrowthofnationaleconomyinChina.Withchangingtimes,especiallyafterChina'saccessiontotheWTO,significantchangeshaveoccurredineconomy,politicsandpetroleummarketbothathomeandabroad.ThesurvivalandgrowthofChineserefinerieshasfacednewchallenges.

简介：ToanalyzetheproductionandmarketingofChinaautomobileinYear2009,andalsothedevelopmentofChinaautomobileandsteelcordinthose11years.Thesingle-elementregressionmathematicsmodelwassetuptoanalyzethesteelcorddemandandautomobileproduction.Itpredictedthatautomobileproductionwouldupto15170000,16690000and18360000respectivelyfrom2010to2012,withtheconfidenceasof95%,thesteelcordconsumptioninthosethreeyearswillbe1180000-1370000t,1320000-1520000tand1470000-1680000t.AstothepolicyofChinastimulation,TheroleofChinesetirehasconvertedfromtheexport-orientedtodomesticconsumersmoothly,sotheeffectofUSspecialprotectionisttariffsislimitedinChina.

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