Scandium, ine kemikari chiratidzo chinonzi Sc uye nhamba yeatomu yayo iri 21, isimbi yakapfava, ine chena-chena. Inowanzosanganiswa ne gadolinium, erbium, nezvimwewo, ine zvishoma zvinobuda uye mutengo wakakwirira. Iyo huru valence ndeye oxidation state + trivalent.
Scandium inowanikwa mumaminerari mazhinji epasi, asi mashoma mamineral e scandium anogona kutorwa munyika. Nekuda kwekuwanikwa kwakaderera uye kuomerwa mukugadzirira scandium, yekutanga kudhirowa kwakaitwa muna 1937.
Scandium ine yakakwira kunyungudika, asi density yayo iri padyo neiyo yealuminium. Chero bedzi zviuru zvishoma zve scandium zvichiwedzerwa kualuminium, chikamu chitsva cheAl3Sc chichaumbwa, icho chichagadzirisa aluminium alloy uye chinokonzera kuchinja kuri pachena mukugadzirisa uye zvivakwa zvealloy, saka iwe unoziva basa rayo. Scandium inoshandiswawo mune yakakwira melting point lightweight alloys senge scandium titanium alloy uye scandium magnesium alloy.
Ngationei firimu pfupi kuti tizive ruzivo rwaro
Zvinodhura! Zvinodhura! ZvinodhuraNdinotya kuti zvinhu zvisingawanzo zvakadaro zvinogona kushandiswa chete pane zvivharo zvemuchadenga nemaroketi.
Kune foodies, scandium inoonekwa seisina chepfu. Muedzo wemhuka we scandium compounds wakapedzwa, uye chirwere chepakati chinouraya che scandium chloride chakatemwa se 4 mg/kg intraperitoneal uye 755 mg/kg oral administration. Kubva pane izvi mhedzisiro, scandium makomisheni anofanirwa kurapwa seane muchetura makomisheni.
Nekudaro, mune mamwe minda, scandium uye scandium makomisheni anoshandiswa semashiripiti emwaka, semunyu, shuga kana monosodium glutamate mumaoko evabiki, izvo zvinongoda zvishoma zvishoma kuti zvigadzirise.
Nguva yekutumira: Aug-06-2021