简介:如果说前面那个911GT2RS太过于桀骜不驯,过高的性能会让国内还不是特别成熟的消费者感觉对自己驾驶技术略有迟疑,那么看看这个——911TurboSExclusiveSeries。可以说与前面那个911GT2RS完全截然相反的两种性格趋向,前者完全是为了炸赛道,而后面那个则是泡美眉的专属利器。这款特别的911TurboSExclusiveSeries版本车型是由保时捷定制化工作室特别打造的限量版本,比前面那个911GT2RS更为稀少,全球限量500台。虽然动力系统也采用3.8L排量双涡轮增压发动机,峰值扭矩也有750Nm,但最高功率却相对保守,仅有607hp,
简介:Basedontheexistingcontinuousboreholestrainobservation,themultiquadricfunctionfittingmethodwasusedtodealwithtimeseriesdata.Theimpactofdifferencekernelfunctionparameterswasdiscussedtoobtainavaluablefittingresult,fromwhichthephysicalconnotationoftheoriginaldataanditspossibleapplicationswereanalyzed.Meanwhile,abriefcomparisonwasmadebetweentheresultsofmultiquadricfunctionfittingandpolynomialfitting.
简介:AIM:ToinvestigatethepositiverateandtypesofcellsthatexpressEpstein-Barrvirus-encodedsmallRNAs(EBERs)andtodeterminethedistributionofEBER-expressingcellsinidiopathicorbitalinflammatorypseudotumor(IOIP)tissues.METHODS:Weretrospectivelyexamined40archivedparaffinspecimensfromtwoteachinghospitalsinSouthernChinabetweenJanuary2007andJanuary2015thatwerepathologicallydeterminedtoexhibitIOIP.Elevenconcurrentparaffinspecimensofthyroid-associatedophthalmopathy(TAO)composedthecontrolgroup.InsituhybridizationwasperformedtodetectEBERs.ImmunohistochemistrywasemployedtodetectCD3,CD20,Vimentin,andsmoothmuscleactin(SMA),andthepositiverate,typesofpositivecells,anddistributionandlocationofEBERswereevaluated.RESULTS:ThepositiveexpressionrateofEBERswas47.5%(19/40)intheIOIPgroup,whichwassignificantlyhigherthanthatintheTAOgroup[0(0/11),P=0.011].IntheIOIPgroup,thelymphocyteinfiltrativesubtype,fibroticsubtype,andmixedsubtypeexhibitedEBER-positiveratesof57.1%(12/21),12.5%(1/8),and54.5%(6/11),respectively,andnosignificantdifferenceswerefoundbetweenthesesubtypes(P=0.085).PositivesignalsofEBERsweremainlypresentinmedium-smalllymphocytesbetweenoraroundfolliclesandinthenucleiofactivatedimmunoblasts(14/19).CONCLUSION:Thepositiverate,types,anddistributionofEBER-expressingcellsinIOIPhavebeendocumented.ThesefindingsareconduciveforabetterunderstandingoftheunderlyingmechanismsofEpstein-BarrvirusinfectioninIOIPpathogenesis.