IntroductionTheconductionspeedoftheactionpotentialvarieswiththetypeofanimal,thetypeofnervefiber,thethicknessandtemperatureandotherfactors,generallyabout0.5to200meterspersecond.Undernormalcircumstances...
IntroductionIn"ABriefHistoryoftheFuture",JacquesAtalitellsanincrediblestoryaboutthenext50yearsfromaknownhistoricalandscientificperspective.Heanalyzedhowtherelationshipbetweencountrieswilldevelopandhow...
Briefintroductiontothejournal"InformationTechnologyEducationinPrimaryandSecondarySchools"systematicallyexplainedhowtodevelopeducationinformatization,howtotrainteacherstouseinformationeducationmethodss...
GeneralformIntheprogram,thefunctionbodyisexecutedbycallingthefunction,andtheprocessissimilartothatofsubroutinecallsinotherlanguages.InClanguage,thegeneralformoffunctioncallis:Functionname(actualparame...
IntroductionPneumaticvibratorusescompressedairasthepowersource,whichconsumeslessairandissafeandenergy-saving.Itisanidealdeviceforuseinfreezingorhigh-temperatureenvironments,anditssmallsize,fewerfailur...
DefinitionGeneshavetwocharacteristics,oneisthattheycanreplicatethemselvesfaithfullytomaintainthebasiccharacteristicsoforganisms;theotheristhatgenescan"mutate",mostofwhichcancausedisease,Theothersmallp...
TextsourcestreamKnowledgeandpictophoneticcharacters.Judgingfromtheoracle-boneinscriptionsinFigure1inGroupA,theleftsideofitis"彳"(chì),whichmeans"walking"inancientwritings;therightpartisthecharacter"st...
ConceptInterpretationItisanemergingengineeringtechnologydiscipline.Itistheproductofthemutualintersectionofsocialscienceandnaturalscienceandthemutualpenetrationofsciencetechnologyandengineeringtechnolo...
IntroductionElectronicmail(electronicmail)referstoacomputercommunicationnetwork-basedinformationdeliveryservicethatusesstore-and-forwardmethodtoprovideuserswithletterexchange.Theusersendstheinformatio...
EncyclopediabusinesscardSuspendedgrinders,alsoknownashanginggrinders,aremainlyusedforgrindingstainlesssteel,titaniumingots,alloysteel,specialsteel,steelingots,andvariousmetalsCracks,carbon,burrs,etc.O...
BriefintroductionAuditorypathwayAuditorypathway(auditorypathway),abbreviatedasauditorypathway,referstoaseriesofanatomicalstructuresrelatedtotheproductionofhearing.Thepartoftheauditorypathwayoutsidethe...
MainstructureCompositionThecompositionofelectricvehiclesincludes:electricdriveandcontrolsystem,drivingforcetransmissionandothermechanicalsystems,andworkingdevicestocompleteestablishedtasks.Theelectric...
IntroductionStratifiedcombustionofcoalLaminatedcoalcombustionistoloosentherawcoalthathasslippedfromthecoalbunkerthrougharotatingroller.Falltothesieveplate.Large-sizedparticlesfallfromthesieveplatetoth...
ConceptThebasicprocessofmemoryiscomposedofthreesteps:remembering,keeping,recallingandrecognizing.Recognitionisthebeginningofthememoryprocess.Itistheprocessofrecognizingandrememberingthingsandformingac...
Remoteenvironment1.Promptedbytheglobalenvironment:Withtheaccelerationoftheregionalizationofworldpoliticsandeconomy,basedontheexpansionofglobalizationofinformationtechnology,theregionalizationandglobal...