-
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 ...Nyeem ntxiv -
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...Nyeem ntxiv -
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 tus neeg sab hauv kev lag luam 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 -
Tellurium dioxide yog dab tsi thiab siv Tellurium dioxide yog dab tsi?
Tellurium dioxide Tellurium dioxide yog ib qho 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 ...Nyeem ntxiv -
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 ...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 qhia 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 -
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 ...Nyeem ntxiv -
Extraction txoj kev ntawm scandium
Extraction txoj kev ntawm scandium Rau ib lub sij hawm ntau ntawm lub sij hawm tom qab nws nrhiav tau, kev siv ntawm scandium tsis tshwm sim vim nws nyuaj rau ntau lawm. 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, 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 Earth Elements | Lutetium (Lu)
Xyoo 1907, Welsbach thiab G. Urban tau ua lawv txoj kev tshawb fawb thiab nrhiav tau ib lub ntsiab lus tshiab los ntawm "ytterbium" siv txoj kev sib cais sib txawv. Welsbach hu ua lub caij no Cp (Cassiope ium), thaum G. Nroog hu ua Lu (Lutetium) raws li Paris 'laus lub npe lutece. Tom qab ntawd, nws tau pom tias Cp thiab ...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", hu ua 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