Nerve impulse
Nerve impulse

IntroductionTheconductionspeedoftheactionpotentialvarieswiththetypeofanimal,thetypeofnervefiber,thethicknessandtemperatureandotherfactors,generallyabout0.5to200meterspersecond.Undernormalcircumstances...

A brief history of the future
A brief history of the future

IntroductionIn"ABriefHistoryoftheFuture",JacquesAtalitellsanincrediblestoryaboutthenext50yearsfromaknownhistoricalandscientificperspective.Heanalyzedhowtherelationshipbetweencountrieswilldevelopandhow...

Information Technology Education in Elementary and Secondary Schools
Information Technology Education in Elementary and Secondary Schools

Briefintroductiontothejournal"InformationTechnologyEducationinPrimaryandSecondarySchools"systematicallyexplainedhowtodevelopeducationinformatization,howtotrainteacherstouseinformationeducationmethodss...

Function call
Function call

GeneralformIntheprogram,thefunctionbodyisexecutedbycallingthefunction,andtheprocessissimilartothatofsubroutinecallsinotherlanguages.InClanguage,thegeneralformoffunctioncallis:Functionname(actualparame...

Pneumatic vibrator
Pneumatic vibrator

IntroductionPneumaticvibratorusescompressedairasthepowersource,whichconsumeslessairandissafeandenergy-saving.Itisanidealdeviceforuseinfreezingorhigh-temperatureenvironments,anditssmallsize,fewerfailur...

Genetic gene
Genetic gene

DefinitionGeneshavetwocharacteristics,oneisthattheycanreplicatethemselvesfaithfullytomaintainthebasiccharacteristicsoforganisms;theotheristhatgenescan"mutate",mostofwhichcancausedisease,Theothersmallp...

Ethics
Ethics

TextsourcestreamKnowledgeandpictophoneticcharacters.Judgingfromtheoracle-boneinscriptionsinFigure1inGroupA,theleftsideofitis"彳"(chì),whichmeans"walking"inancientwritings;therightpartisthecharacter"st...

Knowledge engineering
Knowledge engineering

ConceptInterpretationItisanemergingengineeringtechnologydiscipline.Itistheproductofthemutualintersectionofsocialscienceandnaturalscienceandthemutualpenetrationofsciencetechnologyandengineeringtechnolo...

email
email

IntroductionElectronicmail(electronicmail)referstoacomputercommunicationnetwork-basedinformationdeliveryservicethatusesstore-and-forwardmethodtoprovideuserswithletterexchange.Theusersendstheinformatio...

Suspended grinder
Suspended grinder

EncyclopediabusinesscardSuspendedgrinders,alsoknownashanginggrinders,aremainlyusedforgrindingstainlesssteel,titaniumingots,alloysteel,specialsteel,steelingots,andvariousmetalsCracks,carbon,burrs,etc.O...

Auditory center
Auditory center

BriefintroductionAuditorypathwayAuditorypathway(auditorypathway),abbreviatedasauditorypathway,referstoaseriesofanatomicalstructuresrelatedtotheproductionofhearing.Thepartoftheauditorypathwayoutsidethe...

Pure electric vehicle
Pure electric vehicle

MainstructureCompositionThecompositionofelectricvehiclesincludes:electricdriveandcontrolsystem,drivingforcetransmissionandothermechanicalsystems,andworkingdevicestocompleteestablishedtasks.Theelectric...

Stratified combustion
Stratified combustion

IntroductionStratifiedcombustionofcoalLaminatedcoalcombustionistoloosentherawcoalthathasslippedfromthecoalbunkerthrougharotatingroller.Falltothesieveplate.Large-sizedparticlesfallfromthesieveplatetoth...

memory
memory

ConceptThebasicprocessofmemoryiscomposedofthreesteps:remembering,keeping,recallingandrecognizing.Recognitionisthebeginningofthememoryprocess.Itistheprocessofrecognizingandrememberingthingsandformingac...

Distance Education in Primary and Secondary Schools
Distance Education in Primary and Secondary Schools

Remoteenvironment1.Promptedbytheglobalenvironment:Withtheaccelerationoftheregionalizationofworldpoliticsandeconomy,basedontheexpansionofglobalizationofinformationtechnology,theregionalizationandglobal...

Alternative password
Alternative password

SimplereplacementpasswordSimplereplacementencryptionisanencryptionmethodthatchangestheorderoflettersinthealphabetinaspecificwayandwritesinthisorder.Suchachangedalphabetiscalledthe‘replacementtable’.Th...

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