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Magical Rare Earth Compound: Cerium Oxide
Cerium oxide, Molecular mis yog CeO2, Suav alias: Cerium (IV) oxide, molecular hnyav: 172.11500. Nws tuaj yeem siv los ua cov khoom siv polishing, catalyst, catalyst carrier (tus pab), ultraviolet absorber, roj cell electrolyte, automotive pa absorber, Electroceramics, thiab lwm yam Khoom Khoom Ntawm ...Nyeem ntxiv -
Khawv koob Rare Earth | Qhia Secrets Koj Tsis Paub
Lub ntiaj teb tsawg yog dab tsi? Tib neeg muaj keeb kwm ntau dua 200 xyoo txij li kev tshawb pom lub ntiaj teb tsis tshua muaj nyob rau xyoo 1794. Txij li thaum muaj cov pob zeb tsis tshua muaj nyob rau lub sijhawm ntawd, tsuas yog ib qho me me ntawm cov dej insoluble oxides tuaj yeem tau los ntawm cov txheej txheem tshuaj. Keeb kwm, xws li oxides yog ib txwm ...Nyeem ntxiv -
Magical Rare Earth Element: Terbium
Terbium belongs rau qeb ntawm hnyav tsis tshua muaj ntiaj teb, nrog ib tug tsawg abundance nyob rau hauv lub ntiaj teb crust ntawm tsuas yog 1.1 ppm. Terbium oxide tso nyiaj tsawg dua 0.01% ntawm tag nrho cov ntiaj teb tsis tshua muaj. Txawm hais tias nyob rau hauv siab yttrium ion hom hnyav tsawg lub ntiaj teb ore nrog cov ntsiab lus siab tshaj plaws ntawm terbium, terbium conte ...Nyeem ntxiv -
Yuav Ua Li Cas Tsis Muaj Lub Ntiaj Teb Ua Kom Muaj Kev Siv Tshuab Niaj Hnub No
Nyob rau hauv Frank Herbert qhov chaw ua yeeb yam "Dunes", ib yam khoom muaj txiaj ntsig zoo hu ua "spice mix" ua rau tib neeg muaj peev xwm taug qab lub ntiaj teb loj heev los tsim kom muaj kev vam meej ntawm lub hnub qub. Nyob rau hauv lub neej tiag tiag ntawm lub ntiaj teb, ib pab pawg neeg ntawm tej yam ntuj tso hlau hu ua rare ntiaj teb elem ...Nyeem ntxiv -
Magical Rare Earth Element: Cerium
Cerium yog qhov tsis txaus ntseeg 'tus tij laug' hauv tsev neeg loj ntawm cov ntsiab lus tsis tshua muaj ntiaj teb. Ua ntej, tag nrho cov nplua nuj ntawm cov av tsis tshua muaj nyob rau hauv lub crust yog 238ppm, nrog cerium ntawm 68ppm, accounting rau 28% ntawm tag nrho cov tsawg lub ntiaj teb muaj pes tsawg leeg thiab qeb duas; Qhov thib ob, cerium yog qhov thib ob tsawg ea ...Nyeem ntxiv -
Magical Rare Earth Elements Scandium
Scandium, nrog lub cim cim Sc thiab Atomic tooj ntawm 21, yog yooj yim soluble hauv dej, tuaj yeem cuam tshuam nrog dej kub, thiab yooj yim darkens hauv huab cua. Nws lub ntsiab valence yog +3. Nws yog feem ntau tov nrog gadolinium, erbium, thiab lwm yam ntsiab lus, nrog ib tug tsawg tawm los thiab cov ntsiab lus ntawm kwv yees li 0.0005% nyob rau hauv lub cr ...Nyeem ntxiv -
Lub ntiaj teb tej yam yees siv tsis tshua muaj caij europium
Europium, lub cim yog Eu, thiab tus lej Atomic yog 63. Raws li cov tswv cuab ntawm Lanthanide, europium feem ntau muaj + 3 valence, tab sis oxygen + 2 valence kuj muaj. Muaj tsawg dua cov tebchaw ntawm europium nrog lub xeev valence ntawm +2. Piv nrog rau lwm cov hlau hnyav, europium tsis muaj biologica tseem ceeb ...Nyeem ntxiv -
Magical Rare Earth Element: Lutetium
Lutetium yog ib qho tsis tshua muaj hauv ntiaj teb nrog cov nqi siab, tsawg kawg nkaus, thiab siv tsawg. Nws yog mos thiab soluble nyob rau hauv dilute acids, thiab maj mam react nrog dej. Cov isotopes tshwm sim muaj xws li 175Lu thiab ib nrab-lub neej ntawm 2.1 × 10 ^ 10 xyoo β Emitter 176Lu. Nws yog tsim los ntawm kev txo Lu...Nyeem ntxiv -
Magical Rare Earth Element - Praseodymium
Praseodymium yog qhov thib peb tshaj plaws lanthanide keeb nyob rau hauv lub sij hawm lub sij hawm ntawm cov tshuaj cov ntsiab lus, nrog ib tug ntau ntawm 9.5 ppm nyob rau hauv lub crust, tsuas yog qis dua cerium, yttrium, lanthanum, thiab scandium. Nws yog qhov thib tsib tshaj plaws nyob rau hauv lub ntiaj teb tsis tshua muaj. Tab sis ib yam li nws lub npe, praseodymium yog ...Nyeem ntxiv -
Barium hauv Bolognite
arium, lub caij 56 ntawm lub sijhawm teem sijhawm. Barium hydroxide, barium chloride, barium sulfate… yog cov tshuaj reagents ntau heev hauv cov phau ntawv kawm theem siab. Nyob rau hauv 1602, alchemists sab hnub poob pom lub pob zeb Bologna (tseem hu ua "sunstone") uas tuaj yeem tso lub teeb. Hom ore no muaj me me lum...Nyeem ntxiv -
Daim ntawv thov ntawm Rare Earth Elements hauv Nuclear Materials
1, Lub ntsiab lus ntawm Nuclear Materials Hauv kev nkag siab dav dav, cov khoom siv nuclear yog cov ntsiab lus dav dav rau cov khoom siv tshwj xeeb hauv kev lag luam nuclear thiab kev tshawb fawb txog kev tshawb fawb nuclear, suav nrog cov roj nuclear thiab cov khoom siv hluav taws xob nuclear, piv txwv li cov ntaub ntawv tsis muaj roj nuclear. Feem ntau hu ua nu...Nyeem ntxiv -
Kev cia siab rau Lub Ntiaj Teb Tsis tshua muaj Magnet Kev Lag Luam: Los ntawm 2040, qhov kev thov rau REO yuav loj hlob tsib npaug, tshaj cov khoom siv
Raws li xov xwm txawv teb chaws magneticsmag - Adamas Intelligence, daim ntawv tshaj tawm xyoo tshiab "2040 Rare Earth Magnet Market Outlook" tau tshaj tawm. Daim ntawv tshaj tawm no nthuav dav thiab sib sib zog nqus kev lag luam thoob ntiaj teb rau neodymium hlau boron cov hlau nplaum ruaj khov thiab lawv lub ntiaj teb tsis tshua muaj ...Nyeem ntxiv