Scandium, uas nws lub cim tshuaj lom neeg yog SC thiab nws tus lej atomic yog 21, yog cov hlau muag, kev hloov pauv ntawm cov hlau uas ntsiag to. Nws yog feem ntau tov nrog gadolinium, erbium, thiab lwm yam, nrog cov zis me me thiab tus nqi siab. Lub tseem ceeb tseem ceeb yog oxidation xeev + taliventent.
Scandium muaj nyob rau hauv feem ntau lub ntiaj teb tsis tshua muaj minerals, tab sis tsuas yog qee cov zaub mov scandium tuaj yeem muab rho tawm hauv lub ntiaj teb. Vim tias qhov tsis muaj teeb meem thiab kev nyuaj hauv kev npaj scandium, thawj extraction tau nqa tawm hauv xyoo 1937.
Scandium muaj lub siab melting point, tab sis nws qhov ntom ntom yog ze rau ntawm txhuas. Raws li ntev raws li ob peb txhiab ntawm scandium ntxiv rau txhuas, ib theem al3sc tshiab yuav raug muab hloov kho ntawm cov qauv thiab cov khoom ntawm cov alloy, yog li koj paub nws lub luag haujlwm. Scandium tseem siv nyob rau hauv siab melting point yuag wroys li xws li scandium titanium alloy thiab scandium magnesium alloy
Cia peb saib zaj yeeb yaj kiab luv kom paub nws cov ntaub ntawv ntiag tug
Kim! Kim! NEALSI'm ntshai cov khoom tsis tshua muaj txiaj ntsig tsuas yog siv tau ntawm cov shuttles thiab rockets.
Rau cov zaub mov, scandium yog suav hais tias tsis muaj tshuaj lom. Kev sim tsiaj ntawm scandium tebchaw tau ua tiav lawm, thiab cov tshuaj nruab nrab ntawm scandium chloride tau txiav txim siab li 4 mg / kg intraperitoneal thiab 755 mg / KG Kev Tswj Xyuas Qhov Ncauj. Los ntawm cov txiaj ntsig no, scandium tebchaw yuav tsum tau kho ua mob lom neeg lom zem.
Txawm li cas los xij, hauv ntau daim teb, scandium thiab scandium tebchaw yog siv los ua cov khoom siv tshiab, uas tsuas yog xav tau me ntsis los ua kom tiav taw tes.
Lub sij hawm ncua: Jul-04-2022