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Magical Rare Earth Element: Lutetium
Lutetium chinhu chisingawanikwe chepasi chine mitengo yakakwira, mashoma matura, uye mashoma ekushandisa. Iyo yakapfava uye inonyungudika mu dilute acids, uye inogona kuita zvishoma nezvishoma nemvura. Isotopi dzinongoitika dzega dzinosanganisira 175Lu uye hafu yeupenyu hwe2.1 × 10 ^ 10 yemakore β Emitter 176Lu. Inogadzirwa nekudzikisa Lu ...Verenga zvimwe -
Magical Rare Earth Element - Praseodymium
Praseodymium ndiyo yechitatu yakanyanya kuwanda lanthanide chinhu muperiodic tafura yemakemikari zvinhu, ine huwandu hwe9.5 ppm mucrust, chete yakaderera pane cerium, yttrium, lanthanum, uye scandium. Chinhu chechishanu chakanyanya kuwanda munyika isingawanzoitiki. Asi sezita rake, praseodymium iri...Verenga zvimwe -
Barium muBolognite
arium, chikamu 56 chetafura ye periodic. Barium hydroxide, barium chloride, barium sulfate… mareagents akajairika mumabhuku echikoro chesekondari. Muna 1602, veWestern alchemists vakawana dombo reBologna (rinonziwo "sunstone") rinogona kuburitsa chiedza. Rudzi urwu rweore rune lum diki ...Verenga zvimwe -
Chii chinonzi Cerium oxide?
Cerium oxide inorganic substance ine kemikari formula CeO2, light yellow kana yellowish brown anobatsira hupfu. Density 7.13g/cm3, melting point 2397°C, isinganyunguriki mumvura uye alkali, inonyungudika zvishoma muacid. Pane tembiricha ye2000 ° C uye kudzvanywa kwe15MPa, hydrogen inogona kushandiswa kudzoreredza ...Verenga zvimwe -
Kushandiswa kwe nano cerium oxide mu polymer
Nano-ceria inovandudza ultraviolet kuchembera kuramba kwepolymer. Iyo 4f yemagetsi chimiro che nano-CeO2 inonzwa zvakanyanya pakunyura kwechiedza, uye bhendi rekunyudza rinonyanya munzvimbo ye ultraviolet (200-400nm), iyo isina hunhu hwekunyura kune inooneka chiedza uye yakanaka transmittance. Ord...Verenga zvimwe -
Kushandiswa kwe scandium oxide Sc2O3 poda
Kushandiswa kwe scandium oxide Iyo kemikari formula ye scandium oxide ndeye Sc2O3. Properties: White yakasimba. Iine cubic chimiro che isingawanzo pasi sesquioxide. Density 3.864. Melting point 2403 ℃ 20 ℃. Insoluble mumvura, soluble mune inopisa asidhi. Inogadzirwa nekupisa kwekuora kwe scandium munyu. Inogona kuva...Verenga zvimwe