Scandium, eo letšoao la eona la lik'hemik'hale e leng Sc 'me nomoro ea eona ea athomo ke 21, ke tšepe ea phetoho e bonolo, e bosoeu bo bosoeu.Hangata e kopantsoe le gadolinium, erbium, joalo-joalo, e nang le tlhahiso e fokolang le theko e phahameng.Valence ea mantlha ke boemo ba oxidation + trivalent.
Scandium e teng lirafshoeng tse ngata tse sa tloaelehang tsa lefats'e, empa ke liminerale tse 'maloa feela tsa scandium tse ka ntšoang lefatšeng.Ka lebaka la boteng bo fokolang le bothata ba ho lokisa scandium, ho ntšoa ha pele ho ile ha etsoa ka 1937.
Scandium e na le sebaka se phahameng sa ho qhibiliha, empa boima ba eona bo haufi le ba aluminium.Hafeela likete tse 'maloa tsa scandium li eketsoa ho aluminium, ho tla thehoa mohato o mocha oa Al3Sc, o tla fetola motsoako oa aluminium le ho baka liphetoho tse hlakileng mohahong le thepa ea alloy, e le hore u tsebe karolo ea eona.Scandium e boetse e sebelisoa ho li-alloys tse bobebe tse bobebe tse kang scandium titanium alloy le scandium magnesium alloy.
Ha re shebelle filimi e khuts'oane ho tseba litaba tsa eona
E turu!E turu!E theko e boimaKe ts'aba hore lintho tse joalo tse sa tloaelehang li ka sebelisoa feela ho li-shuttle tsa sepakapaka le lirokete.
Bakeng sa lijo, scandium e nkoa e se chefo.Tlhahlobo ea liphoofolo ea metsoako ea scandium e phethiloe, 'me tekanyo e bolaeang ea scandium chloride e khethiloe e le 4 mg / kg intraperitoneal le 755 mg / kg tsamaiso ea molomo.Ho tsoa ho liphetho tsena, metsoako ea scandium e lokela ho tšoaroa e le metsoako e chefo e itekanetseng.
Leha ho le joalo, masimong a mangata, lik'hemik'hale tsa scandium le scandium li sebelisoa e le li-seasoning tsa boselamose, tse kang letsoai, tsoekere kapa monosodium glutamate matsohong a baphehi, tse hlokang hanyenyane feela ho etsa ntlha ea ho qetela.
Nako ea poso: Aug-06-2021