2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov ntaub ntawv no hu ua ferromagnetic, tom qab lo lus Latin rau hlau, ferrum. … Cov hlau ua ib tug cov hlau nplaum ruaj khov nrog cov ncej sib dhosraws li qhia: nws tus ncej sab qab teb yog nyob ib sab ntawm tus ncej qaum teb ntawm tus thawj hlau nplaum, thiab nws cov ncej qaum teb yog nyob ib sab ntawm tus ncej sab qab teb ntawm tus ncej. original hlau nplaum.
Yuav ua li cas rau hlau ua kom nws ruaj khov?
Thaum ib daim hlau uas tsis yog hlau nplaum siv rau cov hlau nplaum, cov atoms hauv nws rov kho lawv tus kheej li uas tsim cov hlau nplaum ruaj khov. Raws li cov atoms ua kom zoo, lawv tsim ib qho chaw sib nqus uas tsis poob nws lub zog.
Hom hlau nyob ntev npaum li cas?
Koj cov hlau nplaum ruaj khov yuav tsum poob tsis pub tshaj 1% ntawm nws cov hlau nplaum lub zog dhau 100 xyoomuab nws teev thiab saib xyuas kom zoo.
Ntev npaum li cas tus hlau nplaum yuav nyob ruaj khov?
Lub hlau nplaum yuav nyob ntev npaum li cas? Sintered Nd-Fe-B hlau nplaum yuav nyob twj ywm magnetized indefinitely. Lawv muaj kev txo qis hauv flux ntom ntom thaum lub sijhawm. Ntev npaum li lawv lub cev tsis muaj zog, cov hlau nplaum neodymium yuav zoo li poob qis dua 1% ntawm lawv cov flux ceev tshaj 100 xyoo.
Ntev npaum li cas ib yam dab tsi nyob hauv magnetized?
Cov lus teb nyob ntawm cov hlau nplaum. Cov hlau nplaum ib ntus tuaj yeem poob nws cov hlau nplaum hauv tsawg dua 1 teev. Neodymium hlau nplaum poob qis dua 1% ntawm lawv lub zog tshaj 10 xyoo. Cov hlau nplaum tas mus li xws li sintered Nd-Fe-B cov hlau nplaum nyob twj ywm magnetized indefinitely.
Pom zoo:
Pob hlau nplaum puas lo rau cov hlau nplaum?
Magnets lo rau cov hlau uas muaj zog sib nqus lawv tus kheej, xws li hlau thiab npib tsib xee. Cov hlau tsis muaj zog hlau nplaum muaj xws li txhuas, tooj dag, tooj liab thiab txhuas. Yuav ua li cas cov hlau nplaum lo rau cov yeeb nkab hlau?
Yuav tsum nplawm nplaum nplaum nplaum?
Chunky Thaum Ntxov Thaum lub sij hawm koj cov nplaum yuav tshwm zoo kawg nkaus thaum koj ncuav rau hauv lub tais sib tov, tab sis ua chunky los yog grainy thaum nws nplawm. Qhov no kuj zoo ib yam, txawm tias nws tsis yog xov xwm zoo thaum nws tshwm sim.
Yuav ua li cas yog cov hlau tsis muaj hlau nplaum?
Yuav ua li cas yog ib daim hlau uas tsis muaj hlau nplaum txawv ntawm tib daim hlau thaum nws yog hlau nplaum? Magnetic domains yog random oriented nyob rau hauv unmagnetizedhlau, raws li nyob rau hauv magnetized hlau. … -Lub North Ncej ntawm ib tug hlau nplaum yog lub npe tom qab "
Puas yog daim nplaum nplaum nplaum nplaum?
Scotch® Siv dav Daim Ntawv Ncauj Ncaujtuav rau qhov chaw ntev txog 3 hnub thiab tom qab ntawd tshem tawm tau yooj yim yam tsis muaj cov nplaum nplaum tom qab. Zoo heev rau daim ntawv lo, ntim khoom, thiab daim ntaub npog ntsej muag rau ntawm qhov chaw uas tsis muaj kev puas tsuaj.
Puas yog av nplaum nplaum nplaum thaum ci?
Baking polymer av nplaum ntawm qhov kub li niaj zaus tuaj yeem tsim cov ntxhiab tsw uas tuaj yeem ua rau cov neeg rhiab heev. Ntau yam tib yam li qee cov tshuaj tsw qab ua rau koj mob caj pas lossis mob taub hau yog tias lawv muaj zog heev. … Npog av nplaum thaum lub sij hawm ci yuav txo qhov tsw.
