Video: Vim li cas scandium thiaj li kim?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Scandium Nqe: Vim nws qhov tsis txaus thiab kev tsim khoom tsawg, scandium yog ib qho ntawm feem ntau kim ntawm tag nrho cov ntsiab lus ntuj. Nqe rau 99.99% ntshiab scandium (RE: 99% min.
Kev sib raug zoo, tus nqi tam sim no ntawm scandium yog dab tsi?
Scandium yog ib tug mos, lub teeb hlau uas yuav muaj kev siv nyob rau hauv aerospace kev lag luam. Nrog ib nqi ntawm $ 270 ib gram ($ 122, 500 ib phaus), scandium kim heev rau kev siv dav.
Ib yam li ntawd, vim li cas scandium tseem ceeb? Scandium kuj yog heev reactive nrog acids. Scandium Nws tsuas yog siv ob peb yam xwb, ib qho yog ua kom lub teeb ci mercury-vapor teeb uas tsim lub teeb uas zoo kawg nkaus zoo li lub hnub ci ntuj, uas yog tseem ceeb nyob rau hauv kev siv cov xim TV koob yees duab. Scandium yog lub teeb hlau, nrog lub siab melting point.
Tom qab ntawd, scandium siv li cas hauv lub neej txhua hnub?
Scandium yog siv hauv aluminium- scandium alloys rau aerospace kev lag luam Cheebtsam thiab rau cov khoom ua si xws li tsheb kauj vab ncej, nuv ntses rods, golf hlau shafts thiab baseball puav. Scandium iodide yog siv nyob rau hauv mercury vapor teeb, uas yog siv kom rov ua dua lub hnub ci hauv studios rau kev lag luam yeeb yaj kiab thiab TV.
Dab tsi tuaj yeem pom hauv scandium?
1879
Pom zoo:
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