Kev lag luam tshiab

Composite rwb thaiv tsev ntawv, cov khoom tseem ceeb hauv kev lag luam hluav taws xob

Cov khoom siv hluav taws xob insulating yog cov khoom siv tseem ceeb rau kev tsim khoom siv hluav taws xob (electronic), uas muaj kev txiav txim siab rau lub neej ntawm cov khoom siv hluav taws xob (electronic) thiab kev ntseeg tau ntawm kev ua haujlwm.

Dab tsi yog bearing

Yuav tsum hloov lub cav carbon txhuam ntau npaum li cas?

Qhov zaus ntawm cov pa roj carbon txhuam hloov tsis tau teev tseg. Raws li qhov hardness ntawm carbon txhuam nws tus kheej

Cov yam ntxwv ntawm insulating ntawv

1, rwb thaiv tsev ntawv daim kab xev nyob rau hauv thawj rwb thaiv tsev ntawv ntawm qhov chaw ntawm txiav nws mus rau hauv ntau yam dav

Dab tsi yog hom thiab kev ua haujlwm ntawm commutator ntawm DC lub cev muaj zog?

Lub commutator yog ib feem tseem ceeb ntawm dc lub cev muaj zog thiab AC commutator armature.

Nkag siab txog kev paub txog cov khoom siv hlau nplaum

Feem ntau cov teeb meem yog tsim los ntawm cov molecules uas yog tsim los ntawm atoms uas nyob rau hauv lem yog ua los ntawm nuclei thiab electrons. Hauv ib qho atom