Puas yog thulium lom?
Puas yog thulium lom?

Video: Puas yog thulium lom?

Video: Puas yog thulium lom?
Video: Mang Vang New Song 2020 - puas yog vim kuv [Official Video] 2024, Hlis ntuj nqeg
Anonim

Thulium hmoov av thiab hmoov yog tshuaj lom thaum nqus tau los yog nqus tau thiab tuaj yeem ua rau tawg.

Ua raws li qhov xav tau, tib neeg lub cev puas siv Thulium?

Thulium yog siv hauv lasers nrog kev siv phais. Thulium tsis paub txog lub luag haujlwm lom neeg. Nws yog non-toxic. Thulium yog pom qhov tseem ceeb hauv mineral monazite, uas muaj li ntawm 20 qhov chaw ib lab.

Thulium pom nyob rau hauv dab tsi? Xyoo 1879

Hais txog qhov no, dab tsi zoo li thulium?

Yam ntxwv: Thulium yog ib qho ci, mos, malleable, silvery-grey hlau. Nws yog ib lub ntiaj teb tsis tshua muaj hlau thiab yog ib qho ntawm tsawg tshaj plaws. Cov hlau tarnishes maj mam hauv cov huab cua qhuav los tsim cov oxide thiab reacts nrog dej los tsim cov hydroxide thiab hydrogen gas.

Puas yog thulium tsawg lossis ntau?

Thulium yog qhov tsawg kawg nkaus ntau ntawm tsis tshua muaj ntiaj teb cov ntsiab lus, tab sis nrog cov peev txheej tshiab tsis ntev los no tau pom, nws tam sim no suav tias yog li tsis tshua muaj xws li nyiaj, kub los yog calcium. Thulium Nws yog qhov nyuaj heev kom cais tawm ntawm lwm cov ntsiab lus vim nws zoo sib xws hauv qhov loj.

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