I-Scandium, uphawu lwalo lwamakhemikhali oluthi Sc futhi inombolo yayo ye-athomu ingu-21, iyinsimbi eguqukayo ethambile, emhlophe-emhlophe.Ivamise ukuxutshwa ne-gadolinium, i-erbium, njll., ngokukhipha okuncane kanye nenani eliphezulu.I-valence eyinhloko yisimo se-oxidation+trivalent.
I-Scandium ikhona kumaminerali amaningi angavamile emhlabeni, kodwa ambalwa kuphela amaminerali e-scandium angakhishwa emhlabeni.Ngenxa yokutholakala okuphansi nobunzima bokulungiselela i-scandium, ukukhishwa kokuqala kwenziwa ngo-1937.
I-Scandium inezinga eliphezulu lokuncibilika, kodwa ukuminyana kwayo kusondele kwe-aluminium.Uma nje izinkulungwane ezimbalwa ze-scandium zengezwa ku-aluminium, kuzokwakhiwa isigaba esisha se-Al3Sc, esizoshintsha i-aluminium alloy futhi sibangele izinguquko ezisobala esakhiweni nasezindaweni ze-alloy, ukuze wazi indima yayo.I-Scandium iphinde isetshenziswe kuma-alloys aphezulu ancibilika kalula njenge-scandium titanium alloy kanye ne-scandium magnesium alloy.
Masibukele ifilimu emfushane ukuze sithole ulwazi lwayo lomuntu siqu
Kuyabiza!Kuyabiza!KuyabizaNgiyesaba ukuthi izinto ezinjalo ezingavamile zingasetshenziswa kuphela kuma-shuttles namarokhethi.
Kuma-foodies, i-scandium ibhekwa njengento engeyona enobuthi.Ukuhlolwa kwezilwane ze-scandium compounds sekuqediwe, futhi umthamo obulalayo ophakathi we-scandium chloride unqunywe njenge-4 mg / kg intraperitoneal kanye ne-755 mg / kg yokuphatha ngomlomo.Kusukela kule miphumela, izinhlanganisela ze-scandium kufanele ziphathwe njengezinhlanganisela ezinobuthi obusesilinganisweni.
Kodwa-ke, emikhakheni eminingi, ama-scandium nama-scandium compounds asetshenziswa njengezinongo zemilingo, njengosawoti, ushukela noma i-monosodium glutamate ezandleni zabapheki, okudinga kancane kuphela ukwenza iphuzu lokuqeda.
Isikhathi sokuthumela: Aug-06-2021