Cov khoom siv hlau raug nqi pes tsawg ib tonnes? -Tshaj tawm yam cuam tshuam rau tus nqi ntawm cov khoom seem hlau
Hauv kev lag luam niaj hnub no, kev rov ua dua tshiab thiab rov siv cov khoom seem yog qhov tseem ceeb heev. Cov khib nyiab hlau tsis yog tsuas yog cov khoom siv txuas ntxiv, tab sis kuj yog cov khoom lag luam, nws cov nqi cuam tshuam los ntawm ntau yam. Yog li ntawd, qhov teeb meem ntawm "ntau npaum li cas cov khoom seem hlau ib tonne" tau nyiam ntau yam. Hauv daim ntawv no, peb yuav txheeb xyuas cov laj thawj ntawm qhov hloov pauv ntawm cov khoom siv hluav taws xob los ntawm kev xav tau ntawm kev lag luam, tus nqi hlau ore, cov nqi rov ua dua thiab qhov sib txawv hauv cheeb tsam.
Ua ntej, kev lag luam xav tau ntawm qhov cuam tshuam ntawm cov nqi hlau seem
Tus nqi ntawm ferrous seem yog thawj zaug cuam tshuam los ntawm kev lag luam xav tau. Nrog rau txoj kev loj hlob ntawm kev lag luam thoob ntiaj teb kev lag luam, qhov kev thov rau hlau thiab hlau txuas ntxiv nce ntxiv, thiab cov khoom siv ferrous yog ib qho tseem ceeb raw cov ntaub ntawv rau hlau thiab steel ntau lawm, nws qhov kev thov tseem nce ntxiv. Thaum kev lag luam thov rau steel muaj zog, tus nqi ntawm ferrous seem yuav nce. Piv txwv li, nyob rau lub sij hawm ntawm kev lag luam kev lag luam lossis kev lag luam qeeb, tus nqi ntawm ferrous seem yuav poob. Yog li ntawd, txhawm rau teb cov lus nug ntawm "ntau npaum li cas cov khoom seem hlau raug nqi ib tonne", koj yuav tsum xub nkag siab txog qhov kev xav tau ntawm kev lag luam tam sim no.
Qhov thib ob, qhov hloov pauv ntawm cov nqi hlau ore cuam tshuam rau tus nqi ntawm cov hlau seem
Hlau ore yog ib qho ntawm cov khoom siv tseem ceeb rau kev tsim cov hlau thiab hlau, nws cov nqi ncaj qha cuam tshuam rau kev lag luam tus nqi ntawm cov hlau seem. Thaum cov hlau ore nqi nce, cov neeg tsim khoom hlau yuav tig mus rau kev siv cov khoom siv ferrous los ua lwm yam khoom siv raw, uas yuav ua rau muaj kev xav tau ntau ntxiv rau cov khoom siv ferrous, yog li thawb tus nqi ntawm ferrous seem. Piv txwv li, thaum tus nqi ntawm cov hlau ore ntog, tus nqi ntawm ferrous seem kuj yuav poob. Yog li ntawd, kom nkag siab txog qhov sib txawv ntawm cov nqi hlau ore, rau kev kwv yees ntawm "ntau npaum li cas nyiaj ib tonne ntawm hlau seem" muaj ib qho tseem ceeb siv tus nqi.
Thib peb, tus nqi rov ua dua thiab kev sib raug zoo ntawm tus nqi ntawm cov khoom seem hlau
Cov txheej txheem hlau rov ua dua tshiab kuj yog ib qho tseem ceeb cuam tshuam rau nws cov nqi. Cov khib nyiab hlau rov siv dua yuav tsum tau sau, thauj, txheeb xyuas thiab ua tiav thiab lwm qhov txuas, txhua qhov txuas yuav tsum muaj qee tus nqi. Yog tias tus nqi ntawm cov khoom siv rov ua dua tshiab, piv txwv li, vim cov nqi roj nce lossis nce nqi zog, tom qab ntawd cov nqi ntawm cov khoom siv hlau yuav raug hloov kho raws li qhov xav tau. Rau qee qhov kev lag luam me me ntawm cov khoom siv hlau rov ua dua tshiab, kev hloov pauv ntawm cov nqi rov ua dua tshiab tuaj yeem cuam tshuam ncaj qha rau lawv cov txiaj ntsig, yog li hauv kev nkag siab "ntau npaum li cas cov khoom seem hlau raug nqi ib tonne", yuav tsum tsis txhob las mees raws li qhov tseem ceeb ntawm cov nqi rov ua dua.
Plaub, qhov sib txawv hauv cheeb tsam hauv kev cuam tshuam ntawm cov nqi hlau seem
Cov nqi hluav taws xob hauv cov cheeb tsam sib txawv tuaj yeem muaj qhov sib txawv tseem ceeb, uas feem ntau yog vim kev lag luam hauv cheeb tsam, qib ntawm kev tsim kho thiab kev thauj mus los thiab lwm yam vim li cas. Piv txwv li, nyob rau hauv ib co industrially tsim, yooj yim tsheb thauj mus los, tus nqi ntawm ferrous seem yuav siab dua, vim hais tias cov cheeb tsam no muaj ib tug muaj zog thov rau hlau thiab steel raw cov ntaub ntawv thiab ferrous seem thauj cov nqi qis dua. Ntawm qhov tsis sib xws, hauv qee qhov chaw nyob deb, tus nqi ntawm cov khoom seem hlau kuj yuav qis dua. Yog li ntawd, thaum teb lo lus nug "yuav ua li cas npaum li cas ferrous seem nqi ib tonne", lub zog ntawm lub regional yam tseem ceeb yuav tsum tau muab coj mus rau hauv tus account.
Xaus
Qhov tsim ntawm ferrous seem nqi yog qhov tshwm sim ntawm kev sib xyaw ua ke. Txhawm rau teb cov lus nug ntawm "ntau npaum li cas cov khoom seem hlau ib tonne", peb yuav tsum txheeb xyuas cov kev xav tau ntawm kev ua lag luam, tus nqi hlau ore, cov nqi rov ua dua thiab qhov sib txawv hauv cheeb tsam thiab lwm yam. Los ntawm kev nkag siab tob txog cov kev cuam tshuam no, tsis tsuas yog peb tuaj yeem kwv yees zoo dua ntawm cov nqi ntawm cov khoom siv hluav taws xob, tab sis kuj tseem muab cov kev txiav txim siab tseem ceeb rau cov lag luam thiab cov neeg siv khoom.