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I-Magic Rare Earth Element: Lutetium
I-Lutetium iyisici somhlaba esiyivelakancane esingavamile esinamanani aphezulu, izinqolobane ezincane, nokusetshenziswa okulinganiselwe. Ithambile futhi iyancibilika kuma-asidi acwebileyo, futhi ingasabela kancane kancane emanzini. Ama-isotopes enzeke ngokwemvelo ahlanganisa i-175Lu kanye nengxenye yempilo engu-2.1 × 10 ^ iminyaka engu-10 ubudala β Emitter 176Lu. Yenziwe ngokunciphisa i-Lu...Funda kabanzi -
I-Magic Rare Earth Element - Praseodymium
I-Praseodymium iyingxenye yesithathu egcwele kakhulu ye-lanthanide kuthebula lezinto zamakhemikhali, enensada engu-9.5 ppm kuqweqwe, ephansi kuphela kune-cerium, yttrium, lanthanum, ne-scandium. Iyingxenye yesihlanu egcwele kakhulu emhlabeni ongavamile. Kodwa njengegama lakhe, i-praseodymium ...Funda kabanzi -
I-Barium e-Bolognite
i-arium, ingxenye 56 yethebula le-periodic. I-barium hydroxide, i-barium chloride, i-barium sulfate… ama-reagents avame kakhulu ezincwadini zesikole samabanga aphezulu. Ngo-1602, ama-alchemists asentshonalanga bathola itshe le-Bologna (elibizwa nangokuthi "itshe lelanga") elingakhipha ukukhanya. Lolu hlobo lwensimbi lunensimbi encane...Funda kabanzi -
Iyini i-Cerium oxide?
I-Cerium oxide iwuketshezi olungaphili olunefomula yamakhemikhali i-CeO2, impushana eyisizayo ephuzi ngokukhanyayo noma ephuzi ensundu. Ukuminyana 7.13g/cm3, indawo encibilikayo 2397°C, ayincibiliki emanzini ne-alkali, inyibilika kancane ku-asidi. Ezingeni lokushisa lika-2000°C kanye nengcindezi engu-15MPa, i-hydrogen ingasetshenziswa ukuphinda...Funda kabanzi -
Ukusetshenziswa kwe-nano cerium oxide ku-polymer
I-Nano-ceria ithuthukisa ukumelana nokuguga kwe-ultraviolet kwe-polymer. Isakhiwo se-elekthronikhi se-4f se-nano-CeO2 sizwela kakhulu ekumunceni ukukhanya, futhi ibhande lokumunca ikakhulukazi lisendaweni ye-ultraviolet (200-400nm), engenakho ukumuncwa kwesici ekukhanyeni okubonakalayo kanye nokudluliswa okuhle. Umyalo...Funda kabanzi -
Ukusetshenziswa kwe-scandium oxide Sc2O3 powder
Ukusetshenziswa kwe-scandium oxide I-chemical formula ye-scandium oxide yi-Sc2O3. Izakhiwo: Okuqinile okumhlophe. Ngesakhiwo se-cubic se-sesquioxide yomhlaba engavamile. Ukuminyana 3.864. Iphoyinti lokuncibilika 2403 ℃ 20 ℃. Ayincibiliki emanzini, incibilika ku-asidi eshisayo. Ilungiselelwe ukubola okushisayo kwe-scandium kasawoti. Kungaba...Funda kabanzi