Zosowa zapadziko lapansi zimaphatikizapolanthanum(La),cerium(Ndi),praseodymium(Pr),neodymium(Nd), promethium (Pm),samarium(Sm),europium(EU),gadolinium(Mulungu),terbium(Tb),dysprosium(Dy),holmium(Iwo),erbium(Er),thulium(Tm),ytterbium(Yb),lutetium(Lu),scandium(Sc), ndiyttrium(Y).Dzina lachingerezi ndiRare Earth.Rare EarthZitsulo nthawi zambiri zimakhala zofewa, zosungunulika, komanso zimadumphira, ndipo zimawonetsa kukhazikika kwamphamvu ngati ufa pakatentha kwambiri.Gulu la zitsulo ili ndi mphamvu kwambiri ndipo limagwirizana kwambiri ndi haidrojeni, carbon, nitrogen, oxygen, sulfure, phosphorous, ndi halogens.Iwo mosavuta oxidized mu mpweya, ndi kulemeramayiko osowaakhoza kupanga makutidwe ndi okosijeni zoteteza wosanjikiza padzikoscandiumndiyttriumkutentha kwapakati.Chifukwa chake,zitsulo zapadziko lapansi zosawerengekaNthawi zambiri amasungidwa mu palafini kapena m'mitsuko yotsekedwa yodzaza ndi vacuum ndi mpweya wa argon.Dziko lapansi losowazinthu zikhoza kugawidwa m'magulu awiri: kuwaladziko losowandi heavydziko losowa, makamaka alipo mu mawonekedwe aosowa nthaka oxides.China, Russia, United States, Australia ndi mayiko ena ali ndi nkhokwe zapamwamba kwambiridziko losowah chuma padziko lapansi.Dziko lapansi losowaamagwiritsidwa ntchito makamaka m'madera monga mafuta, mankhwala engineering, zitsulo, nsalu, ceramic galasi, okhazikika maginito zipangizo, etc. Iwo amadziwika kuti "industrial monosodium glutamate", "mavitamini mafakitale", ndi "mayi wa zipangizo zatsopano", ndipo ndi zamtengo wapatali njira zitsulo.
Nthawi yotumiza: Nov-03-2023