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Lub ntiaj teb tsis tshua muaj nqi sib piv rau Lub Xya Hli 4, 2023
Khoom npe Nqe Ups thiab downs Hlau lanthanum (yuan/ton) 25000-27000 - Cerium (yuan/ton) 24000-25000 - Hlau neodymium (yuan/ton) 575000-585000 -5000 Dysprosium hlau (628-kg) Terbium hlau (yuan / kg) 10000-10200 -200 Praseodymium neodymium ...Nyeem ntxiv -
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 ...Nyeem ntxiv -
Tsis tshua muaj ntiaj teb ntxiv xim thiab radiance rau cov khoom siv hluav taws xob
Hauv qee thaj chaw ntug dej hiav txwv, vim Bioluminescence plankton tsoo hauv nthwv dej, hiav txwv thaum hmo ntuj qee zaus emits Teal teeb. Tsis tshua muaj lub ntiaj teb hlau kuj emit lub teeb thaum stimulated, ntxiv xim thiab radiance rau cov khoom siv hluav taws xob. Qhov ua kom yuam kev, hais tias de Bettencourt Dias, yog kom tickle lawv f electrons ...Nyeem ntxiv -
Kev Siv Cov Khoom Siv Hauv Ntiaj Teb Tsis tshua muaj nyob rau niaj hnub tub rog Technology
Daim ntawv thov ntawm Cov Khoom Siv Hauv Ntiaj Teb Tsis tshua muaj nyob rau niaj hnub Tub Rog Technology Raws li cov khoom siv tshwj xeeb, tsis tshua muaj lub ntiaj teb, hu ua "lub tsev khoom muaj nqis" ntawm cov ntaub ntawv tshiab, tuaj yeem txhim kho zoo thiab kev ua tau zoo ntawm lwm cov khoom, thiab yog lub npe hu ua "vitamin" ntawm niaj hnub. kev lag luam. Nws tsis yog dav xwb...Nyeem ntxiv -
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 sib nqus. 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, ...Nyeem ntxiv -
Cov khoom siv tsawg hauv ntiaj teb no muaj peev xwm zoo!
Tsis tshua muaj ntiaj teb nanomaterials Tsis tshua muaj ntiaj teb nanomaterials Tsis tshua muaj ntiaj teb cov ntsiab lus tsis tshua muaj 4f sub txheej hluav taws xob qauv, loj atomic sib nqus lub sij hawm, muaj zog spin orbit coupling thiab lwm yam ntxwv, uas ua rau nplua nuj optical, hluav taws xob, sib nqus thiab lwm yam khoom. Lawv yog indispensable ...Nyeem ntxiv -
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 ...Nyeem ntxiv -
Qhov kev loj hlob ntawm Tuam Tshoj txoj kev xa tawm ntawm cov hlau nplaum tsis tshua muaj hauv ntiaj teb mus rau Tebchaws Meskas tau poob qis txij lub Ib Hlis mus txog Lub Plaub Hlis
Txij lub Ib Hlis mus txog Lub Plaub Hlis, qhov kev loj hlob ntawm Tuam Tshoj txoj kev xa tawm ntawm cov hlau nplaum tsis tshua muaj hauv ntiaj teb mus rau Tebchaws Meskas tau poob qis. Cov ntaub ntawv txheeb xyuas kev lis kev cai qhia tau hais tias txij lub Ib Hlis mus txog Lub Plaub Hlis 2023, Tuam Tshoj cov khoom xa tawm ntawm cov hlau nplaum tsis tshua muaj hauv ntiaj teb mus rau Tebchaws Meskas mus txog 2195 tons, ib xyoos ib zaug ...Nyeem ntxiv -
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 ...Nyeem ntxiv -
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 uas yog cov khoom siv lead ua cubic. Lub sublimation kub yog 331 ℃ thiab lub melting point yog 434 ℃. Lub gaseous zirconium tetrachloride molecule muaj tetrahedral stru...Nyeem ntxiv -
Dab tsi yog lub zog physiological ntawm cov av tsawg ntawm cov nroj tsuag?
Kev tshawb fawb txog cov teebmeem ntawm lub ntiaj teb tsis tshua muaj cov ntsiab lus ntawm cov nroj tsuag physiology tau pom tias cov ntsiab lus tsis tshua muaj hauv ntiaj teb tuaj yeem ua rau cov ntsiab lus ntawm chlorophyll thiab photosynthetic npaum li cas hauv cov qoob loo; Tseem ceeb txhawb cov nroj tsuag rooting thiab ceev cov hauv paus kev loj hlob; Ua kom muaj zog ntawm ion nqus dej thiab lub cev ...Nyeem ntxiv -
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 ...Nyeem ntxiv