简介:TheWebQualityAnalyser(WQA)isanewbenchmarkingtoolforindustry.Ithasbeenextensivelytestedacrossservicesindustries.Fortyfivecriticalsuccessfeaturesarepresentedasmeasuresthatcapturetheuser'sperceptionofservicesindustrywebsites.Thistooldifferstoprevioustools,inthatitcapturestheinformationtechnology(IT)relateddriversectorsofwebsiteperformance,alongwiththemarketing-servicesrelateddriversectors.Thesedriversectorscapturerelevantstructure,functionandperformancecomponents.An'on-off'switchmeasurementapproachdetermineseachcomponent.Relevantcomponentmeasuresscaleintoarelativepresenceoftheapplicablefeature,withafeatureblockdeliveringoneofthesectordrivers.Althoughithousesbothmeasurableandafewsubjectivecomponents,theWQAoffersaprovenandusefulmeanstocomparerelevantwebsites.TheWQAdefineswebsitestrengthsandweaknesses,therebyallowingforcorrectionstothewebsitestructureofthespecificbusiness.WQAbenchmarkingagainstservicesrelatedbusinesscompetitorsdeliversapositionontheWQAindex,facilitatesspecificwebsitedriverratingcomparisons,anddemonstrateswherekeycompetitiveadvantagemayreside.Thispaperreportsonthemarketing-servicesdriversectorsofthisnewbenchmarkingWQAtool.
简介:AsreportedfromafieldseminaronMJAon-linecoalcompositiondetectionsystem,NDRChasrankedtheMJAsystemwiththekeyandspecialprojectsofciviliannon-powernucleartechnologyindustrialization.MJAdevicedevelopedindependentlybyNanjingDaluZhongdianTechnologyCo.,Ltd.isthefirstfullcoalflow,all-elementandall-indextypeofon-linedetectionsystem.Itwassuccessfullyusedforincomingcoaldetectionofpowerplants.
简介:Basedonanalysisofnearinfraredspectralabsorptionofmethane,absorptiontypeopticalfibermethanegassensorwithhighsensitivityusingDFBLDasasourceisdemonstrated.Lightsourcemodulationharmonicmeasurementispresentedinthispaper.Inordertoeliminatethenoise,theratioofthefundamentalandsecond-harmonicsignalsisused.Themathematicalmodelofgasconcentrationharmonicmeasurementisbuiltup.Thedetectionresultofmethaneconcentrationisalsoshown.Experimentshaveprovedasensitivityof28×10-6.
简介:ManysocialeventsspreadfastthroughtheIntemetandarousewidecommunitydiscussions.Thoseon-linepublicopinionsemergeintodiversetopicsalongthetime.Moreover,thestrengthofthetopicsisfluctuating.Howtocatchbothprimarytopicsandtrendoftopicsovertheshiftingon-linediscussionsarenotonlyoftheoreticalimportanceforscientificresearch,butalsoofpracticalimportanceforsocietalmanagementespeciallyincurrentChina.Totrythecutting-edgetextanalytictechnologiestodealwithunstructuredon-linepublicopinionsandprovidesupportforsocialproblem-solvinginthebigdataeraisworthanendeavour.Thispaperappliesdynamictopicmodel(DTM)toexplorethechangingtopicsofnewpostscollectedfromTianyaZatanBoardofTianyaClub,themostinfluentialChineseBBSinmainlandChina.Byanalysisofthehotandcoldtermstrends,wecatchthetopicsshiftofmainon-lineconcernswithillustrationsoftopicsofschoolbusandenvironmentinDecemberof2011.Analgorithmisproposedtocomputethestrengthfluctuationofeachtopic.Withvisualizedanalysisoftherespectivemaintopicsinseveralmonthsof2012,somepatternsofthetopicsfluctuationontheboardaresummarized.
简介:Thenearly30-yeareconomicgrowthmiraclebringstheconsequenttremendouspoor-richgapleadingstrongdrivesforsocialtransformationincurrentChina.Chinesetopleadershaverealizedtoincreasethepeoples'income,improvequalityoflifeandconstructa'harmonioussociety'askeymissionsespeciallyinrecent10years.Howtomeasureaharmonioussocietyisoneimportanttopicasdifferentmeasuresmayleadtodifferentdevelopmentpolicies.Thispaperoutlinesover10indicesrelevanttomeasureaharmonioussociety.Someareglobalindicators,whilesomearecontributedbydomesticresearchersandarousedebates.Mostofthoseindicatorsrequireconductingsurveysonsocialattitudesundermicrolevels,whichisalwaystimeconsumingwithproblemofdataquality.AsInternettechnologyadvancesprovidewaystorecordanddisseminatefreshcommunityideasandthoughtsconveniently,detectingtopicsoremotionsfromon-linepublicopinionsisbecomingatrendoronesupplementwaytoovercomethosedataacquisitionproblems.Thispaperdiscussesoneapproachtoon-linesocietalriskperceptionusinghotsearchwordsandBBSposts.Suchatrialaimstoprovideanotherwaytosocietalriskperceptiondifferentfromthoseintraditionalsociopsychologystudies.Challengesarealsoindicated.
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简介:HIRFL-CSRacceleratorfacilityhasbeenoperatingwith3ionsources,whichareLAPECR1,LECR3andSECRAL.Theseionsourcescanprovidedifferentkindsofionswithdifferentenergy.Forexample,LAPECR1mainlyprovidesH+andHe+witheextractionvoltageabove25keV,LECR3canprovidetheionbeamswithlowtomediumchargestates,includingthemetallicionswithlowmass,suchasC^4+,Ar^11+,B^3+,Mg^7+,etc.,whileSECRALaimstoproduceintenseandhighlychargedionbeams,especiallymetallicones,suchlikeKr^19+,Xe^31+,Ni^19+,Bi^31+,U^33+,andsoon.
简介:Amethodwasdevelopedtorealizequalityevaluationoneveryweld-spotinresistancespotweldingbasedoninformationprocessingofartificialintelligent.Firstly,thesignalsofweldingcurrentandweldingvoltage,asinformationsource,weresynchronouslycollected.Inputpoweranddynamicresistancewereselectedasmonitoringwaveforms.Eightcharacteristicparametersrelatingtoweldqualitywereextractedfromthemonitoringwaveforms.Secondly,tensile-shearstrengthofthespot-weldedjointwasemployedasevaluatingtargetofweldquality.Throughcorrelationanalysisbetweeneverytwoparametersofcharacteristicvector,fivecharacteristicparameterswerereasonablyselectedtofoundamappingmodelofweldqualityestimation.Atlast,themodelwasrealizedbymeansofthealgorithmsofRadialBasicFunctionneuralnetworkandsamplematrixes.Theresultsshowedvalidationsbyasatisfactioninevaluatingweldqualityofmildsteeljointon-lineinspotweldingprocess.
简介:<正>OnNovember2,2005,China’sfirston-linemonitoringdeviceforfair-windvibrationwassuccessfullyinstalledanddebuggedonthe500-kVPing-FeiLineatthesectioncrossingHuaiheRiverinPingwei,AnhuiProvince.Uponauthorization,theoperationsecurityoftheriver-crossingearthingconductorcanbemonitoredonInternetinChina.
简介:LECR4isthefirstECRionsourceusingevaporativecoolingtechnologyintheworld.Itsuniquefeatureisthatthesolenoidsweremadefromsolidsquarecopperwires(3.32mm×5.77mmwithinsulation),andthatallthecoilsareentirelyimmersedintheroomtemperaturecoolant.Thecoilscanproduceamaximumaxialmagneticfieldupto2.5T.LECR4aimstoprovideintensemultiplechargestateionbeamsforSSC-Linacproject-anewLinearinjectorfortheSeparatedSectorCyclotron(SSC).Presently,someionbeamswithdifferentM/QratiohavebeenacceleratedsuccessfullywiththeRFQandDTL,suchas200eμAof16O^5+,200eμAof40Ar^8+,50eμAof209Bi^30+etc.ThemeasuredtransmissionefficiencyofRFQisupto90%.ThelayoutofLECR4ionsourceandtheLEBTisshowninFig.1.