IntroductiontosparkdischargeWhenthepowerofthehigh-voltagepowersupplyisnottoohigh,thegasbetweenthehigh-voltageelectrodesisbrokendown,andgasdischargephenomenasuchasflashingandpoppingsoundoccur.Undernorm...
MedicalexpertDoctorofAnorectalDiseasePreventionandResearchCenterofGuangdongWuyiHospitalofTraditionalChineseMedicineChenLidong,bornin1941,fromJiangmen,Guangdong,deputychiefphysician,workinginGuangdongP...
AbacusThewordappearedinLiuYin[1248-1293]"Mr.JingxiuCollection"inYuanDynastyThetitleofafive-characterquatrain;TheYuanDynastypainterWangZhenpeng's"ApictureoftheUniverseandOneDan"[1310	...
StatementThisentryhasbeenorganizedwithreferencetotheadministrativeareaentryeditingguidelines;ifyouhavesuggestionsorwanttoparticipateinthecompilation,youarewelcometocommunicatewiththeGeographyGroupofBa...
PrinciplesofTVThemethodofusingelectricityforTVinstantlytransmitsvisualimagesoftheevent.Similartomovies,televisionusesthevisualresidualeffectofthehumaneyetodisplayaframeofgradualstillimagestoformavisua...
DefineclassificationInbroadtermsComputernetworkisalsocalledcomputercommunicationnetwork.Thesimplestdefinitionofacomputernetworkis:acollectionofautonomouscomputersthatareconnectedtoeachotherforthepurpo...
CausesAccordingtoexperienceandanalysisofnewspapers,ghostimagesaremainlycausedbythefollowingreasons:1)PoorpressureadjustmentTheprintingpressureandthecontactpressurebetweenthevariousinkrollersarenotinth...
SonglyricsIcan'tmatchyourtearsYoucan'tmatchmypraiseIcan'tmatchyourcharm>Youcan'tmatchmyaccidentalmercyIcan'tmatchyourindulgenceYoucan'tmatchmydepthIcan'tmatchyoursBodytemperatureYouarenomatchformye...
IntroductionUserID(useridentifier,UserIDorUID),thefullnameuseridentifier,inUNIX-likesystems,isanunsignedintegervalueusedbythekerneltoidentifyusers,anditisalsooneofthenecessarycomponentsoftheUNIXfilesy...
ThesynonymOSI(OpenSystemInterconnection)generallyreferstoopensysteminterconnection.OSImodelThemostimportantthinginlearningtheOSImodeliswhatitactuallymeans.Ifyouareanoperatingsystemonthenetwork.Thenetw...
BasicconceptsVariousapplicationsoftware,althoughthecompletedtasksaredifferent,theyallneedsomecommonbasicoperations,suchasobtainingdatafrominputdevicesandsendingdatatooutputdevices.Senddata,writedatato...
IntroductiontotheelectrichammerTheelectrichammerisawidelyusedelectrictool.Theelectrichammerisbasedonanelectricdrill,addingapistonwithacrankshaftconnectingroddrivenbyanelectricmotor,andreciprocatingcom...
BasicmeaningCVTmeanscontinuouslyvariabletransmission,itsEnglishnameisContinuouslyVariableTransmission,orCVTforshort.ItwastheDutchwhoinventedthiskindofvariablespeedtransmissionmechanism,andthetransmiss...
PrincipleElectriclocomotivesobtainelectricenergyfromthecontactnet,andtheelectriccurrentsuppliedbythecontactnettotheelectriclocomotivehastwotypes:DCandAC.Duetothedifferentcurrentsystems,theelectricloco...