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I-Magic Rare Earth Element: iLutetium
I-Lutetium yinto enqabileyo yomhlaba enqabileyo enamaxabiso aphezulu, ugcino oluncinci, kunye nosetyenziso oluncinci. Ithambile kwaye iyanyibilika kwiiasidi ezixubileyo, kwaye inokusabela kancinci emanzini. I-isotopes ezenzeke ngokwemvelo ziquka i-175Lu kunye nesiqingatha sobomi be-2.1 × 10 ^ iminyaka eyi-10 ubudala β Emitter 176Lu. Yenziwa ngokunciphisa uLu...Funda ngokugqithisileyo -
I-Magic Rare Earth Element-Praseodymium
I-Praseodymium yinto yesithathu eninzi kakhulu ye-lanthanide kwitheyibhile ye-periodic yezinto zekhemikhali, kunye nobuninzi be-9.5 ppm kwi-crust, kuphela ngaphantsi kwe-cerium, i-yttrium, i-lanthanum, kunye ne-scandium. Yesihlanu eyona nto ininzi kwimihlaba enqabileyo. Kodwa njengegama lakhe, iPraseodymium ...Funda ngokugqithisileyo -
Barium e Bolognite
iarium, isiqalelo sama-56 kwitheyibhile yeperiodic. I-Barium hydroxide, i-barium chloride, i-barium sulfate… zizinto ezisetyenziswa rhoqo kwiincwadi zesikolo samabanga aphakamileyo. Ngowe-1602, izazi zealchemist zasentshona zafumanisa ilitye laseBologna (elikwabizwa ngokuba “lilitye lelanga”) elinokuvelisa ukukhanya. Olu hlobo lwentsimbi lunentsimbi encinci...Funda ngokugqithisileyo -
Yintoni iCerium oxide?
I-Cerium oxide yinto engabonakaliyo kunye ne-chemical formula CeO2, i-yellow yellow okanye i-brown encedisa umgubo oncedisayo. Ubuninzi be-7.13g / cm3, indawo yokunyibilika i-2397 ° C, ayinyibiliki emanzini kunye ne-alkali, i-soluble kancinane kwi-asidi. Kwiqondo lobushushu le-2000 ° C kunye noxinzelelo lwe-15MPa, i-hydrogen ingasetyenziselwa ukuphinda...Funda ngokugqithisileyo -
Ukusetyenziswa kwe-nano cerium oxide kwi-polymer
I-Nano-ceria iphucula ukuchasana nokuguga kwe-ultraviolet yepolymer. Isakhiwo se-elektroniki se-4f se-nano-CeO2 sithinteka kakhulu ekufakeni ukukhanya, kwaye ibhendi yokufunxa ininzi kwingingqi ye-ultraviolet (200-400nm), engenakho ukufunxa uphawu ekukhanyeni okubonakalayo kunye nokuhanjiswa okulungileyo. Umyalelo...Funda ngokugqithisileyo -
Ukusetyenziswa kwe-scandium oxide Sc2O3 powder
Ukusetyenziswa kwe-scandium oxide I-chemical formula ye-scandium oxide yi-Sc2O3. Iimpawu: Okuqinileyo okumhlophe. Ngesakhiwo se-cubic sesquioxide yomhlaba enqabileyo. Uxinaniso 3.864. Indawo yokunyibilika 2403℃ 20℃. Ayinyibiliki emanzini, inyibilika kwiasidi eshushu. Ilungiselelwe ngokubola kwe-thermal yetyuwa ye-scandium. Isenokuba...Funda ngokugqithisileyo