Kev paub

Dab tsi yog qhov sib nqus sib nqus

Dab tsi yog qhov sib nqus sib nqus

Ntau

Mos Magnet txhais li cas

Cov hlau nplaum mos, cov khoom sib nqus uas tsis muaj coercivity thiab siab permeability, yooj yim rau magnetize, kuj yooj yim rau demagnetize, dav siv hauv cov khoom siv hluav taws xob thiab cov khoo

Ntau

Cov txheej txheem ua cov hlau nplaum

Cov ntaub ntawv tseem ceeb ntawm NdFeB hlau nplaum yog: tsis tshua muaj lub ntiaj teb hlau neodymium, tsis tshua muaj lub ntiaj teb hlau praseodymium, hlau ntshiab, txhuas, boroferric alloy thiab lwm

Ntau

Kev siv cov hlau nplaum hauv tshuaj

Kev siv cov hlau nplaum hauv tshuaj

Ntau

Discovery ntawm hlau nplaum

Cov hlau nplaum tsis tau tsim los ntawm tib neeg, lawv yog cov hlau nplaum ntuj. Cov Greeks thiab Suav thaum ub nrhiav tau ib lub pob zeb uas muaj hlau nplaum nyob rau hauv qhov, hu nws "hlau-absorbin

Ntau

Dab tsi yog hlau nplaum

Cov hlau nplaum muaj pes tsawg leeg yog hlau, cobalt, npib tsib xee thiab lwm yam atoms, thiab cov qauv sab hauv ntawm lawv cov atoms yog qhov tshwj xeeb, thiab lawv muaj lub sijhawm sib nqus. Cov hla

Ntau

Dab tsi yog qhov cuam tshuam rau tus nqi ntawm cov hlau nplaum

Dab tsi yog qhov cuam tshuam rau tus nqi ntawm cov hlau nplaum

Ntau

Cov hlau nplaum muaj cov teebmeem uas koj tsis tuaj yeem xav txog

Cov hlau nplaum muaj cov teebmeem uas koj tsis tuaj yeem xav txog

Ntau