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简介：几个月前我的同事就早已在云南试驾了海马S5,不过那是一款使用1.6L自然吸气发动机,配备手动变速器,注重经济性但动力平平的产品。而眼前的这款海马S5,虽然外形相同,但在发动机盖下面却换了一颗不同的＂心＂,1.5L涡轮增压发动机保证了动力性,而CVT变速器则向着简单驾驶又迈进了一步。

简介：TheglobalorderwassetinplacefollowingtheendoftheSecondWorldWarbyaconsortiumofwesterncountriesheadedbytheU.S..Sincethen,themajorwesterncountrieshavestrivedtomaintaintheirlongdominanceinglobalpoliticsandeconomics.Withtheriseofnationalistmovements,formercoloniesgainedtheirindependence,andmanydevelopingcountriesjoinedtheUN.Inrecentyears,theeconomiesofthe

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简介：<正>JanuaryJanuary4,Secretary-GeneralNiJianmetwithTeruoTsuneda,ExecutiveDirectoroftheMainichiShimbunofJapanandKatsuyoshiSeimiya,DirectorofGlobalBusinessDivisionoftheMainichiShimbun.ThetwosidesexchangedviewsonChina’spoliticalandeconomicsituationafterthe18thNationalCongressofCPCandJapan’spoliticalsituationafterthegeneralelection.

简介：TheemergenceofZhangHeng’sseismoscopehasaprofoundhistoricalbackground.ThispaperintendstoexploretheformationandmaterialbasisofZhangHeng’sscientificthought.Itappearsthatthesimpleintentionof"observingvisionsanddistinguishinggoodfortuneormisfortune"washismotivationtodeveloptheseismoscope.Tracingitshistoricalbackground,theauthorsproposedinthispaperthatthedevelopmentofthisseismoscopestartedaround128A.D.,andbasedonperceptualknowledge,twoideasaboutearthquakescameintobeing,i.e.,earthquakelocationcouldbejudgedaccordingtotheinstrumentshakingdirection,andtheearthquakeandearthsplitwereessentiallydifferent.Intheinstrumentmanufacture,ZhangHengadvocatedaprincipleof"makingutensilstoimitatecosmos".Bythisprinciple,thefollowingthreeproblemswerereadilysolved:theseismoscopeimitatedtheresponseofthesuspensionsystemtoearthquakes(i.e.naturalseismoscope).Technically,thetriggermechanismofthelatchwasusedforreference,anditrecordedthephysicalevidenceofearthquakeoccurrencebyaningeniouswayofaballdroppingfromadragon’smouth.Thesolutionofthesethreekeyproblemsleadtotheemergenceoftheseismoscopein132A.D.andthesuccessfuldetectionofanearthquakein134A.D.Hisinventiondeepenedhumanity’sknowledgeofnaturallaws,andpromotedthedevelopmentofscienceandtechnologyinthattimeandlater.

简介：GeorgeOrwellisanimportantessayistinthe20thcenturyandofgreatinfluenceforhiscriticalessays.PoliticsandtheEnglishLanguageisanessaywithanaimtocriticizethemisusedEnglishatthehistoricalsettingwhenWorldWarIIwasabouttobreakout.Thefollowingarticleistoexploretheessay’slanguagestyleanditstheme.

简介：<正>PrefaceOnequestionfrequentlyraisedindiscussionswithcolleaguesfromneighboringcountries,andwithEuropeanandAmericanscholarswhofollowcloselyChina’sneighboringrelationsis,howdoesChinadefineitsrelationswithneighboringcountries?Althoughasearlyassixtyyearsago,theChinesegovernmentalreadyprovidedtheansweroffiveprinciplesofpeacefulcoexistence

简介：ExplicitexpressionsofMori-Tanaka’stensorforatransverselyisotropicfiberreinforcedUDcompositearepresented.Closed-formformulaefortheeffectiveelasticpropertiesofthecompositeareobtained.Ina3Dsense,theresultingcompliancetensorofthecompositeissymmetric.Nevertheless,the2DcompliancetensorbasedonadeterioratedMori-Tanaka’stensorisnotsymmetric.Noristhecompliancetensordefineduponadeteriorated2DEshelby’stensor.Thein-planeeffectiveelasticpropertiesgivenbythosethreeapproachesaredifferent.AdetailedcomparisonbetweenthepredictedresultsobtainedfromthoseapproacheswithexperimentaldataavailableforanumberofUDcompositesismade.更多还原

简介：对于方程Φ（n）＝S（n11），Φ2（n）＝S（n11）进行了研究，并得到了这两个方程的所有正整数解，其中Φ（n）为Euler函数，Φ2（n）为广义Euler函数，S（n）为Smarandache函数。

简介：QuantumdynamicscalculationsforthetitlereactionH(2S)+S2(X3-Σg)→SH(X2Π)+S(3P)areperformedbyusingagloballyaccuratedoublemany-bodyexpansionpotentialenergysurface[J.Phys.Chem.A1155274(2011)].TheChebyshevrealwavepacketpropagationmethodisemployedtoobtainthedynamicalinformation,suchasreactionprobability,initialstate-specifiedintegralcrosssection,andthermalrateconstant.Itisfoundnotonlythatthereisareactionthresholdnear0.7eVinbothreactionprobabilitiesandintegralcrosssectioncurves,butalsothatboththeprobabilityandcrosssectionincreasefirstlyandthendecreaseasthecollisionenergyincreases.Theexistenceoftheresonancestructureinboththeprobabilityandcrosssectioncurvesisascribedtothedeeppotentialwell.Thecalculationoftherateconstantrevealsthatthereactionoccurringonthepotentialenergysurfaceoftheground-stateHS2isslowtotakeplace.

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简介：Theaddedmasscoefficientandthewaterlevelindexformulasforthesame-phaseandanti-phasevibrationofrectangularliquidtanks＇bulkheadswerederivedbasedondrymodetheory.Threefluid-structureinteractionnumericalmethodsincludingFluidFEMandFluidBEMwereusedinthiscase.ThecomparisonofnumericalandtheoreticalresultsbythepresentmethodshowsthatANSYS/FluidS0ismorecredible,theNASTRAN/VirtualMassMethodismoresuitableforengineeringcalculationsandresultsofthesame-phasevibrationbythepresentmethodismoreaccurate.

简介：OnDecember27,2013thelastoneofprocessunits–theisomerizationunitinthe600kt/apara-xyleneprojectwasputonstreamattheHainanRefiningandChemicalCompanyatthefirstattempttodelivermassiveparaxylene