Superconductors,asthenamesuggests,areconductorsthatdonotdissipateenergyafterpassingacurrent.AftertheDutchscientistOnnesdiscoveredthesuperconductivityofmercuryin1911,peopleonlychangedthetemperatureinth...
OverviewThefirstgenerationoflaseranti-counterfeitingtechnologyismainlyusedtomakelaser-moldedholographicimageanti-counterfeitinglabels.Becauseofthepoormonochromaticityandpoorcoherenceofordinarylightsou...
BackgroundThebirthofSDHtechnologyhasitsinevitability.Withthedevelopmentofcommunication,theinformationrequiredtobetransmittedisnotonlyvoice,butalsotext,data,imagesandvideos.Coupledwiththedevelopmentofd...
Thecellbodyofthehorizontalcellislocatedoutsidetheinnercorelayerandsendsoutmanyhorizontalbranchesextendingintotheoutermeshlayertoformsynapseswithrodcells,bipolarcellsandinterreticularcells.Therearegapj...
PozadíPočínaje říjnem 2002 vzbudil každoroční výběr postav „Moving China“ v CCTV v tomto roce silné dopady na společnost.
IntroductionLanguageistheessentialcharacteristicthatdistinguisheshumansfromotheranimals.Amongalllivingthings,onlyhumanshavetheabilitytospeak.Avarietyofhumanintelligencesarecloselyrelatedtolanguage.Hum...
SynonymouscopperplategenerallyreferstocopperyuanBasicinformationTheoriginofcopperyuanTheearliestcoppercoin(machinedcoppercoin)inChinawasborninthethirteenthyearofGuangxubyZhangZhidong,thegovernorofGuan...
RawmaterialcharacteristicsNaturalfiberThenaturalfibercontainedinsilkismainlysilkfiber,whichisacontinuouscoagulationofthesilkliquidsecretedbythecocoonwhenthecocoonisformed.Longfiber,alsoknownasnaturals...
ThesynonymGeorgeEastmangenerallyreferstoGeorgeEastman.AnexcellenttalentPersonalInformationEastmanwasborninWaterville,NewYork,USA(Waterville)village.ItistheyoungestofthethreechildrenofMariaKilbournandG...
DefinitionInformationManagement(InformationManagement,IM)isthecomprehensiveuseoftechnological,economic,policy,legalandhumanisticmethodsandMeansinordertocontrolinformationflow(includinginformalinformat...
OverviewDecodingisthereverseprocessofencoding.Duringencoding,eachbinarycodeisassignedaspecificmeaning,thatis,itrepresentsacertainsignalorobject.Theprocessof"translating"thespecificmeaningofthecodestat...
WorkingprincipleRollingballmouse:Therubberballisdriventothegratingwheelwithlight-emittingdiodesandphototransistorwaferpulsesignalsensor.Opticalmouse:Alightsourcepulsesignalsensorwithlight-emittingsemi...
DevelopmenthistoryThebuddingeraThehistoryofNokiabeganin1865.In1865,miningengineerFredichIdestamestablishedawoodpulpfactorybyariverinTampere,Finland.ThefactorywaslocatedatthejunctionofFinlandandtheRuss...
Šíření historieTangDynastiePrvní objeveníV627,vChencangshan,FengxiangMansion,Shaanxi(InBeihan,Shigushan,BaojiCity,anoldshepherdnašel10divných žulových balvanů.Tyto obrovské nebožáby mají tvar jako bubny,ro...