Taw qhia rau tsawg dua hauv ntiaj teb
Ntiaj teb tsis tshua muaj cov hlau, feem ntau paub tsis tshua muaj lub ntiaj teb (rees), yog ib pawg ntawm 17 lub ntsiab lus uas tseem ceeb rau ntau yam kev siv thev naus laus zis. Cov ntsiab lus no muaj ntau qhov tseem ceeb hauv lub ntiaj teb niaj hnub thiab ua lub luag haujlwm tseem ceeb hauv kev tsim cov thev naus laus zis.
Hom ntawm qhov tsis tshua muaj cov av
Tsis tshua muaj cov hlau yog tsim los ntawm 17 lub ntsiab thiab yog qhov tseem ceeb ntawm cov cuab yeej siv technological. Nkag siab txog cov yam ntxwv tshwj xeeb ntawm txhua qhov khoom tuaj yeem muab cov kev pom zoo rau hauv nws cov kev siv sib txawv. Ntawm no peb yuav tsum saib kom ze ntawm cov hom ntawm lub ntiaj teb tsawg thiab lawv cov khoom tseem ceeb:
Lanthhant (LA)
Lanthhanum paub txog nws qhov kev sib luag siab thiab kev sib xyaw ua ke. Nws tuaj yeem siv rau hauv cov koob yees duab lo ntsiab muag, roj hluav taws xob catalysts thiab lub zog-txuag teeb pom kev zoo.
Cerium (CE)
Cerium yog qhov siv ntau yam siv nyob rau hauv catalytic convers, iav tsim khoom, thiab ua ib tug polish rau iav thiab hlau. Nws cov nplua nuj ua rau nws tseem ceeb rau ntau cov txheej txheem muaj.
Preasodymium (PR)
Cov khoom siv muaj nuj nqis tseem ceeb hauv kev tsis tshua muaj cov hlau nplaum, uas yog qhov tseem ceeb rau hluav taws xob tsheb motors thiab cua tshuab generators. Nws tseem muaj cov ntawv thov hauv lasers thiab qee yam alloys.
Neodymium (nd)
Neodymium yog paub rau nws cov khoom sib nqus muaj zog, uas ua rau nws tsis tseem ceeb hauv kev tsim cov hlau nplaum ruaj khov. Cov hlau nplaum yog qhov tseem ceeb rau ntau yam khoom siv hluav taws xob, suav nrog lub mloog pob ntseg thiab cov neeg hais lus.
Promethium (PM)
Promethium yog lub ntsiab lus siv hluav taws xob siv hauv cov xim luminescent, atomic hlwb, thiab tuab gauges. Nws muaj kev txwv thiab radchactivity ua nws lub ntsiab tshwj xeeb hauv pawg tsis tshua muaj ntiaj teb.
Samarium (sm)
Samarium yog siv nyob rau hauv cov hlau nplaum muaj zog, hluav taws xob tswj cov pas nrig, thiab qee hom lasers. Nws lub peev xwm los tiv thaiv qhov kub siab ua rau nws muaj txiaj ntsig hauv cov ntawv thov tshwj xeeb.
Europium (EU)
Europium yog lub luminous caij siv hauv cov duab vis dis aus hauv duab thiab LED thev naus laus zis. Nws muaj peev xwm tawm ntawm lub teeb nyob rau hauv ntau yam xim, uas yog qhov tseem ceeb rau kev ua kom pom tseeb.
Gadolinium (GD)
Gadolinium yog paub rau nws cov khoom sib nqus thiab yog siv los ua tus neeg saib xyuas kev mob. Nws ua lub luag haujlwm tseem ceeb hauv kev txhim kho qhov pom ntawm cov plab hnyuv siab raum thiab cov nqaij mos nyob hauv kev sib nqus resonance resonance (MRI).
Terbium (TB)
Terbium yog qhov tseem ceeb hauv kev tsim cov phosphors hauv cov roj fluorescent, cov coj thiab TV ntxaij. Nws lub peev xwm los emit ntsuab lub teeb pom kev yooj yim xim qhia hauv cov thev naus laus zis.
Dysprosium
Dysprosium yog cov khoom xyaw tseem ceeb hauv kev ua kom lub zog-zog hlau nplaum, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov kom muaj kev ruaj khov. Nws yog qhov tseem ceeb rau kev ua tau zoo ntawm hluav taws xob tsheb motors.
Holmium (ho)
Holmium yog siv nyob rau hauv qee cov thev naus laus zis laser thiab nyob rau hauv nuclear reactors rau tswj cov pas nrig. Nws cov khoom sib nqus ntawm cov khoom sib nqus ua rau nws muaj txiaj ntsig hauv cov ntawv thov kev tshaj lij.
Erbium (er)
Erbium yog siv nyob rau hauv kho qhov muag cov fibers rau cov cim ua kom nrov hauv kev sib tham. Nws ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj peev xwm thiab nrawm ntawm cov ntaub ntawv fiber ntau optic.
Thulium (TM)
Thulium yog siv hauv kev kho mob lasers rau ntau cov txheej txheem, suav nrog kev phais mob thiab dermatology. Nws lub peev xwm los nqus tau cov hluav taws xob laser laser ua rau nws muaj txiaj ntsig hauv kev cuam tshuam kho mob zoo.
Ytterbium (yb)
Ytterbium yog siv nyob rau hauv lasers, tshwj xeeb hauv kev lag luam thiab kev kho mob. Nws txoj kev nqus ntawm laser laser ua rau nws haum rau kev txiav, vuam, thiab cov ntawv thov kho mob.
Litetium
Lutetium yog siv hauv kev kho mob cov kev ua haujlwm, xws li positron emission Tomogrography (Tsiaj) SCANANS. Nws cov khoom ruaj khov ua rau nws haum rau cov ntawv thov kev kuaj mob.
Nkag siab txog cov qauv sib txawv ntawm cov chaw tsis tshua muaj feem yog qhov tseem ceeb rau kev nkag siab txog lawv qhov kev cuam tshuam rau kev siv tshuab niaj hnub thiab ntau yam kev lag luam. Los ntawm kev ua cov khoom siv hluav taws xob ntau dua los mus nrhiav kev tshawb fawb txog kev kho mob, cov ntsiab lus ua ib lub luag haujlwm tseem ceeb hauv kev ua lag luam technology.