cov khoom xov xwm

  • Dysprosium: Ua rau lub teeb ci los txhawb kev cog qoob loo

    Dysprosium: Ua rau lub teeb ci los txhawb kev cog qoob loo

    Dysprosium, lub caij 66 ntawm lub sij hawm Jia Yi ntawm Han Dynasty tau sau nyob rau hauv "Rau Kaum Qhov Kev Txhaum Cai ntawm Qin" tias "peb yuav tsum sau tag nrho cov tub rog los ntawm lub ntiaj teb, sau lawv hauv Xianyang, thiab muag lawv". Ntawm no, 'dysprosium' yog hais txog qhov kawg ntawm tus xub. Nyob rau hauv 1842, tom qab Mossander cais ib tug ...
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  • Daim ntawv thov thiab kev siv tshuab ntawm Rare Earth Nanomaterials

    Tsis tshua muaj ntiaj teb cov ntsiab lus lawv tus kheej muaj cov khoom siv hluav taws xob nplua nuj thiab nthuav tawm ntau yam khoom siv kho qhov muag, hluav taws xob, thiab hlau nplaum. Tom qab lub ntiaj teb tsis tshua muaj nanomaterialization, nws nthuav tawm ntau yam ntxwv, xws li cov nyhuv me me, cov nyhuv tshwj xeeb saum npoo, cov nyhuv quantum, muaj zog kho qhov muag, ...
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  • Magical Rare Earth Compound: Praseodymium Oxide

    Praseodymium oxide, molecular mis Pr6O11, molecular hnyav 1021.44. Nws tuaj yeem siv rau hauv iav, metallurgy, thiab ua ib qho ntxiv rau cov hmoov fluorescent. Praseodymium oxide yog ib qho ntawm cov khoom tseem ceeb hauv cov khoom siv hluav taws xob tsawg hauv ntiaj teb. Vim nws qhov tshwj xeeb lub cev thiab tshuaj lom neeg, nws muaj ...
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  • Txoj kev teb thaum muaj xwm ceev rau zirconium tetrachloride Zrcl4

    Zirconium tetrachloride yog ib qho dawb, ci siv lead ua los yog hmoov uas ua rau deliquescence. Feem ntau siv rau hauv kev tsim cov hlau zirconium, pigments, textile waterproofing agents, tawv tanning agents, thiab lwm yam., nws muaj tej yam txaus ntshai. Hauv qab no, cia kuv qhia cov txheej txheem teb xwm txheej ceev ntawm z ...
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  • Zirconium tetrachloride Zrcl4

    Zirconium tetrachloride Zrcl4

    1, Kev taw qhia luv luv: Nyob rau hauv chav tsev kub, Zirconium tetrachloride yog cov hmoov dawb crystalline nrog cov qauv lattice teej tug mus rau lub cubic crystal system. Lub sublimation kub yog 331 ℃ thiab lub melting point yog 434 ℃. Lub gaseous zirconium tetrachloride molecule muaj tetrahedral stru...
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  • Cerium oxide yog dab tsi? Dab tsi yog nws siv?

    Cerium oxide, tseem hu ua cerium dioxide, muaj cov mis molecular CeO2. Yuav siv tau los ua cov ntaub ntawv polishing, catalysts, UV absorbers, roj cell electrolytes, automotive pa absorbers, hluav taws xob ceramics, thiab lwm yam. Daim ntawv thov kawg hauv xyoo 2022: MIT engineers siv ceramics los ua cov roj qab zib ...
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  • Kev npaj ntawm Nano Cerium Oxide thiab nws daim ntawv thov hauv kev kho dej

    CeO2 yog ib qho tseem ceeb ntawm cov ntaub ntawv tsis tshua muaj hauv ntiaj teb. Lub ntiaj teb tsis tshua muaj caij cerium muaj cov qauv hluav taws xob tshwj xeeb - 4f15d16s2. Nws tshwj xeeb 4f txheej tuaj yeem khaws thiab tso tawm cov khoom siv hluav taws xob zoo, ua rau cerium ions coj tus cwj pwm hauv lub xeev + 3 valence thiab + 4 valence xeev. Yog li, CeO2 mater ...
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  • Plaub daim ntawv thov loj ntawm nano ceria

    Nano ceria yog ib qho pheej yig thiab dav siv tsis tshua muaj lub ntiaj teb oxide nrog me me particle loj, uniform particle loj faib, thiab siab purity. Insoluble hauv dej thiab alkali, me ntsis soluble hauv acid. Nws tuaj yeem siv los ua cov ntaub ntawv polishing, catalysts, catalyst carriers (additives), automotive exhaust absorb...
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  • Tellurium dioxide yog dab tsi thiab siv Tellurium dioxide yog dab tsi?

    Tellurium dioxide Tellurium dioxide yog inorganic compound, dawb hmoov. Feem ntau yog siv rau kev npaj tellurium dioxide ib qho crystals, infrared li, acousto-optic li, infrared qhov rais cov ntaub ntawv, cov khoom siv hluav taws xob, thiab preservatives. Lub ntim yog ntim rau hauv polyethylene ...
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  • nyiaj oxide hmoov

    Silver oxide yog dab tsi? nws siv rau dab tsi? Silver oxide yog cov hmoov dub uas yog insoluble hauv dej tab sis yooj yim soluble hauv acids thiab ammonia. Nws yog ib qho yooj yim rau decompose rau hauv cov khoom siv thaum rhuab. Nyob rau hauv cov huab cua, nws absorbs carbon dioxide thiab hloov mus ua nyiaj carbonate. Feem ntau siv hauv ...
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  • Taw qhia ntawm thortveitite ore

    Thortveitite ore Scandium muaj cov khoom ntawm cov txheeb ze tsis tshua muaj zog (yuav luag sib npaug ntawm txhuas) thiab siab melting point. Scandium nitride (ScN) muaj cov ntsiab lus melting ntawm 2900C thiab siab conductivity, ua rau nws dav siv nyob rau hauv electronics thiab xov tooj cua industries. Scandium yog ib qho ntawm cov khoom siv rau ...
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  • Gadolinium oxide Gd2O3 yog dab tsi thiab nws siv rau dab tsi?

    Gadolinium oxide Gd2O3 yog dab tsi thiab nws siv rau dab tsi?

    Dysprosium oxide Khoom npe: Dysprosium oxide Molecular mis: Gd2O3 Molecular Luj: 373.02 Purity: 99.5%-99.99% min CAS: 12064-62-9 Ntim: 10, 25, thiab 50 kilograms ib lub hnab, nrog ob txheej ntawm cov hnab yas sab hauv, thiab woven, hlau, ntawv, los yog yas thoob sab nraum. Cim: Dawb los yog...
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