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Tsis tshua muaj nqi hauv ntiaj teb tau poob rov qab ob xyoos dhau los, thiab kev ua lag luam nyuaj rau kev txhim kho hauv thawj ib nrab ntawm lub xyoo.Qee qhov kev cob qhia me me sib nqus hauv Guangdong thiab Zhejiang tau tso tseg ...
Kev thov qis qis qis, thiab cov nqi hauv ntiaj teb tsis tshua muaj poob rov qab rau ob xyoos dhau los.Txawm hais tias tus nqi rov qab me ntsis hauv cov nqi hauv ntiaj teb tsis tshua muaj nyob rau hnub tsis ntev los no, ntau qhov kev lag luam sab hauv tau hais rau Cailian News Agency cov neeg sau xov xwm tias tam sim no kev ruaj khov ntawm cov nqi hauv ntiaj teb tsis tshua muaj kev txhawb nqa thiab zoo li yuav koom nrog ...Nyeem ntxiv -
Kev Nyuaj Siab Tshaj Tawm Tsis tshua muaj nqi ntiaj teb vim poob qis hauv kev ua haujlwm ntawm cov khoom lag luam sib nqus
Lub ntiaj teb tsis tshua muaj kev lag luam teeb meem nyob rau lub Tsib Hlis 17, 2023 Tus nqi tag nrho ntawm lub ntiaj teb tsis tshua muaj nyob hauv Suav teb tau pom qhov hloov pauv nce siab, feem ntau tshwm sim hauv qhov me me ntawm cov nqi ntawm praseodymium neodymium oxide, gadolinium oxide, thiab dysprosium hlau alloy mus txog 465000 yuan / ton, 272,000 yuan / to...Nyeem ntxiv -
Extraction txoj kev ntawm scandium
Kev rho tawm cov txheej txheem ntawm scandium Rau lub sijhawm ntau lub sijhawm tom qab nws qhov kev tshawb pom, kev siv scandium tsis tau tshwm sim vim nws qhov nyuaj hauv kev tsim khoom.Nrog rau kev txhim kho ntau ntxiv ntawm cov txheej txheem kev sib cais ntawm lub ntiaj teb tsis tshua muaj, tam sim no muaj cov txheej txheem paub tab rau purifying scandi ...Nyeem ntxiv -
Qhov tseem ceeb ntawm kev siv scandium
Kev siv lub ntsiab ntawm scandium Kev siv scandium (raws li cov khoom siv tseem ceeb, tsis yog rau doping) yog concentrated nyob rau hauv lub ci ntsa iab heev, thiab nws tsis yog ib qho exaggeration hu nws Leej Tub ntawm lub teeb.1. Scandium sodium teeb Tus thawj khawv koob riam phom ntawm scandium hu ua scandium sodium teeb, uas ...Nyeem ntxiv -
Rare ntiaj teb keeb |Ytterbium (Yb)
Xyoo 1878, Jean Charles thiab G.de Marignac nrhiav pom lub ntiaj teb tsis tshua muaj nyob hauv "erbium", lub npe Ytterbium los ntawm Ytterby.Kev siv tseem ceeb ntawm ytterbium yog raws li hauv qab no: (1) Siv los ua cov khoom siv thermal shielding txheej.Ytterbium tuaj yeem txhim kho corrosion kuj ntawm electrodeposited zinc ...Nyeem ntxiv -
Rare ntiaj teb keeb |Thulium (Tm)
Thulium keeb tau pom los ntawm Cliff hauv Sweden xyoo 1879 thiab hu ua Thulium tom qab lub npe qub Thule hauv Scandinavia.Kev siv tseem ceeb ntawm thulium yog raws li hauv qab no.(1) Thulium yog siv los ua lub teeb thiab lub teeb kho mob hluav taws xob.Tom qab raug irradiated nyob rau hauv chav kawm tshiab thib ob tom qab lub ...Nyeem ntxiv -
Rare ntiaj teb keeb |erbium (zeeg)
Xyoo 1843, Mossander ntawm Sweden tau tshawb pom lub ntsiab erbium.Cov khoom kho qhov muag ntawm erbium yog qhov tseem ceeb heev, thiab lub teeb emission ntawm 1550mm ntawm EP +, uas ib txwm muaj kev txhawj xeeb, muaj qhov tseem ceeb tshwj xeeb vim tias qhov wavelength no yog qhov tseeb nyob rau ntawm qhov qis tshaj perturbation ntawm optic ...Nyeem ntxiv -
Rare ntiaj teb keeb |cerium (zeeg)
Lub caij 'cerium' tau tshawb pom thiab muaj npe nyob rau hauv 1803 los ntawm German Klaus, Swedes Usbzil, thiab Hessenger, nyob rau hauv lub cim xeeb ntawm lub asteroid Ceres nrhiav tau nyob rau hauv 1801. Daim ntawv thov ntawm cerium tuaj yeem yog cov ntsiab lus hauv qab no.(1) Cerium, raws li iav additive, tuaj yeem nqus ultravio ...Nyeem ntxiv -
Rare ntiaj teb keeb |Holmium (zeeg)
Nyob rau hauv lub thib ob ib nrab ntawm lub xyoo pua 19th, qhov kev tshawb pom ntawm spectroscopic tsom xam thiab luam tawm ntawm lub sij hawm lub rooj, ua ke nrog rau kev nce qib ntawm electrochemical cais cov txheej txheem rau lub ntiaj teb tsis tshua muaj cov ntsiab lus, ntxiv txhawb kev tshawb pom ntawm lub ntiaj teb tsis tshua muaj cov ntsiab lus tshiab.Xyoo 1879, Cliff, ib tug Swede ...Nyeem ntxiv -
Rare ntiaj teb keeb |Dysprosium (Dy)
Xyoo 1886, tus txiv neej Fabkis txoj Boise Baudelaire tau ua tiav holmium rau hauv ob lub ntsiab lus, ib qho tseem hu ua holmium, thiab lwm lub npe hu ua dysrosium raws li lub ntsiab lus ntawm "nyuaj tau" los ntawm holmium (Figures 4-11).Dysprosium yog tam sim no ua lub luag haujlwm tseem ceeb hauv ntau lub hi...Nyeem ntxiv -
Rare ntiaj teb keeb |Terbium (Tb)
Xyoo 1843, Karl G. Mosander ntawm Sweden nrhiav tau lub caij terbium los ntawm nws txoj kev tshawb fawb ntawm yttrium ntiaj teb.Daim ntawv thov ntawm terbium feem ntau cuam tshuam nrog kev siv thev naus laus zis, uas yog cov thev naus laus zis siv zog thiab kev paub txog kev ua haujlwm siab, nrog rau cov haujlwm uas muaj txiaj ntsig zoo rau kev lag luam ...Nyeem ntxiv -
Rare ntiaj teb keeb |Gadolinium (Gd) hmoov
Xyoo 1880, G.de Marignac ntawm Switzerland tau cais "samarium" ua ob lub ntsiab lus, ib qho tau lees paub los ntawm Solit los ua samarium thiab lwm lub ntsiab lus tau lees paub los ntawm Bois Baudelaire txoj kev tshawb fawb.Hauv xyoo 1886, Marignac tau muab lub npe tshiab no gadolinium rau kev hwm ntawm Dutch chemist Ga-do Linium, uas ...Nyeem ntxiv
