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Lub luag haujlwm ntawm Rare Earth Elements hauv Catalysts
Tshaj li ib nrab xyoo dhau los, kev tshawb fawb dav dav tau ua tiav ntawm cov txiaj ntsig catalytic ntawm cov ntsiab lus tsis tshua muaj (feem ntau yog oxides thiab chlorides), thiab qee qhov kev tshwm sim tsis tu ncua tau txais, uas tuaj yeem ua tiav raws li hauv qab no: 1. Hauv cov qauv hluav taws xob ntawm cov khoom tsis tshua muaj hauv ntiaj teb. , 4f electrons yog loca...Nyeem ntxiv -
Rare earth catalytic cov ntaub ntawv
Lo lus 'catalyst' tau siv txij li thaum xyoo pua 19th, tab sis nws tau paub dav dav rau ze li 30 xyoo, kwv yees li rov qab mus rau xyoo 1970s thaum huab cua paug thiab lwm yam teeb meem los ua teeb meem. Ua ntej ntawd, nws tau ua lub luag haujlwm tseem ceeb hauv qhov tob ntawm cov nroj tsuag tshuaj uas tib neeg tuaj yeem ...Nyeem ntxiv -
Lub ntiaj teb tsis tshua muaj nqi sib piv rau Lub Kaum Hli 10, 2023
Khoom npe Tus nqi siab thiab qis Lanthanum hlau (yuan / tuj) 25000-27000 - Cerium hlau (yuan / ton) 24000-25000 - Neodymium hlau (yuan / ton) 645000 ~ 655000 - Dysprosium hlau (yuan /Kg) 35450 ~ Terbium hlau (yuan / Kg) 10700 ~ 10800 - Praseodymium neodymium hlau / Pr-Nd hlau (yua ...Nyeem ntxiv -
Lub Cuaj Hli 2023 Rare Earth Market Daim Ntawv Qhia Txhua Lub Hlis: Kev Xav Tau Kev Loj Hlob thiab Kev Txhim Kho Zoo Tshaj Plaws hauv Lub Ntiaj Teb Tsis tshua muaj nqi nyob rau lub Cuaj Hli
"Kev ua lag luam tseem nyob ruaj khov nyob rau lub Cuaj Hli, thiab cov kev lag luam downstream tau zoo dua piv rau lub Yim Hli. Lub Mid Autumn Festival thiab National Day tab tom los txog, thiab cov lag luam neodymium hlau boron tau nquag khaws cia. .Nyeem ntxiv -
Lub ntiaj teb tsis tshua muaj nqi sib piv rau Lub Kaum Hli 9, 2023
Khoom npe Tus nqi siab thiab qis Lanthanum hlau (yuan / ton) 25000-27000 - Cerium hlau (yuan / ton) 24000-25000 - Neodymium hlau (yuan / ton) 645000 ~ 655000 +12500 Dysprosium hlau (35450 yuan / Kg) + 25 Terbium hlau (yuan /Kg) 10700 ~ 10800 +150 Praseodymium neodymium hlau / Pr-Nd...Nyeem ntxiv -
Thaum lub Cuaj Hlis 28th, 2023, tus nqi sib txawv ntawm lub ntiaj teb tsis tshua muaj.
Khoom npe nqe siab thiab qis Lanthanum hlau (yuan / tuj) 25000-27000 - Cerium hlau (yuan / ton) 24000-25000 - Neodymium hlau (yuan / ton) 635000 ~ 640000 - Dysprosium hlau (yuan /Kg) 3000 ~ 3000 Terbium hlau (yuan / Kg) 10500 ~ 10700 - Praseodymium neodymium...Nyeem ntxiv -
Tsis tshua muaj ntiaj teb hlau thiab alloys
Cov hlau tsis tshua muaj hauv ntiaj teb yog cov ntaub ntawv tseem ceeb rau kev tsim cov khoom siv hydrogen, NdFeB cov khoom siv hlau nplaum ruaj khov, cov ntaub ntawv magnetostrictive, thiab lwm yam. Lawv kuj tau siv dav hauv cov hlau tsis muaj hlau thiab hlau kev lag luam. Tab sis nws cov haujlwm hlau muaj zog heev, thiab nws nyuaj rau rho tawm kuv ...Nyeem ntxiv -
Kev txwv thoob ntiaj teb txwv ntawm cov hlau hafnium, nrog rau ntau yam kev siv qis qis
Hafnium tuaj yeem tsim cov alloys nrog lwm cov hlau, feem ntau tus neeg sawv cev ntawm uas yog hafnium tantalum alloy, xws li pentacarbide tetratantalum thiab hafnium (Ta4HfC5), uas muaj lub siab melting point. Lub melting point ntawm pentacarbide tetratantalum thiab hafnium tuaj yeem ncav cuag 4215 ℃, ua rau nws tam sim no kn ...Nyeem ntxiv -
Tus nqi sib txawv ntawm lub ntiaj teb tsis tshua muaj thaum lub Cuaj Hlis 27, 2023
Khoom npe nqe Ups thiab downs Lanthanum hlau (yuan/ton) 25000-27000 - Cerium hlau (yuan/ton) 24000-25000 - Neodymium hlau (yuan/ton) 635000 ~ 640000 - Dysprosium hlau (yuan/kg) 30400 ~ Terbium hlau (yuan / kg) 10500 ~ 10700 - Praseodymium neodymium ...Nyeem ntxiv -
Thaum lub Cuaj Hlis 26th, 2023, tus nqi sib txawv ntawm lub ntiaj teb tsis tshua muaj.
Khoom npe Nqe Hghs thiab qis Lanthanum hlau (yuan / ton) 25000-27000 - Cerium hlau (yuan / ton) 24000-25000 - Neodymium hlau (yuan / ton) 635000 ~ 640000 - Dysprosium hlau (yuan /Kg) 3500 ~ 3000 Terbium hlau (yuan / Kg) 10500 ~ 10700 - Pr-Nd hlau (yuan / to ...Nyeem ntxiv -
Hafnium series khoom
Hafnium series khoom thiab daim ntawv thov ====================================================== ============================================ ================== Hafnium resource Hafnium enrichment vHafnium intermediate khoom Hafnium ...Nyeem ntxiv -
Yam 72: Hafnium
Hafnium, hlau Hf, atomic tooj 72, atomic hnyav 178.49, yog ib tug ci iab nyiaj grey hloov hlau. Hafnium muaj rau cov isotopes ruaj khov: hafnium 174, 176, 177, 178, 179, thiab 180. Hafnium tsis hnov mob nrog dilute hydrochloric acid, dilute sulfuric acid, thiab muaj zog alkaline daws, tab sis kuv ...Nyeem ntxiv