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Kev lag luam ruaj khov hlau nplaum tsis tshua muaj ntiaj teb
1, Kev Tshaj Tawm Txog Cov Xov Xwm Tseem Ceeb Lub lim tiam no, cov nqi ntawm PrNd, Nd hlau, Tb thiab DyFe tau nce me ntsis. Nqe los ntawm Asian Hlau thaum kawg ntawm lub asthiv no nthuav tawm: PrNd hlau 650-655 RMB/KG, Nd hlau 650-655 RMB/KG, DyFe alloy 2,430-2,450 RMB/KG, thiab Tb hlau 8,550-8,600/KG. 2, Analysis ntawm Profess...Nyeem ntxiv -
Raw khoom nqi ntawm Neodymium hlau nplaum7/20/2021
Raw khoom nqi ntawm Neodymium hlau nplaum Ib qho kev piav qhia ntawm Neodymium hlau nplaum raw cov ntaub ntawv tseeb nqe. Kev ntsuam xyuas tus nqi Magnet Searcher raug ceeb toom los ntawm cov ntaub ntawv tau txais los ntawm ntau ntu ntawm cov neeg koom nrog kev lag luam nrog rau cov neeg tsim khoom, cov neeg siv khoom thiab cov neeg nruab nrab. PrNd hlau nqi Si...Nyeem ntxiv -
Cov yam ntxwv thiab kev siv ntawm nano tooj liab oxide Cuo
Copper oxide hmoov yog ib hom xim av xim av dub hlau oxide hmoov, uas yog dav siv.Cupric oxide yog ib hom multifunctional zoo inorganic khoom, uas yog tsuas yog siv nyob rau hauv printing thiab dyeing, iav, ceramics, tshuaj thiab catalysis. Raws li catalyst, catalyst cab kuj thiab electrode ...Nyeem ntxiv -
Scandium: cov hlau tsis tshua muaj hauv ntiaj teb nrog cov haujlwm muaj zog tab sis cov zis me me, uas yog kim thiab kim
Scandium, uas nws cov cim tshuaj yog Sc thiab nws tus lej atomic yog 21, yog ib qho mos, silvery-dawb hloov pauv hlau. Nws yog feem ntau tov nrog gadolinium, erbium, thiab lwm yam, nrog me ntsis tso zis thiab tus nqi siab. Lub ntsiab valence yog oxidation xeev + trivalent. Scandium muaj nyob rau hauv lub ntiaj teb tsis tshua muaj minerals, tab sis tsuas yog ...Nyeem ntxiv -
Cov npe ntawm 17 lub ntiaj teb tsis tshua siv (nrog duab)
Ib qho piv txwv yog tias yog roj yog ntshav ntawm kev lag luam, ces lub ntiaj teb tsis tshua muaj vitamin ntawm kev lag luam. Lub ntiaj teb tsis tshua muaj yog lub ntsiab lus ntawm ib pawg hlau. Rare Earth Elements, REE) tau tshawb pom ib qho ntxiv txij li thaum kawg ntawm lub xyoo pua 18th. Muaj 17 hom REE, suav nrog 15 l ...Nyeem ntxiv -
Daim ntawv thov ntawm scandium oxide Sc2O3 hmoov
Daim ntawv thov ntawm scandium oxide Cov tshuaj formula ntawm scandium oxide yog Sc2O3. Khoom: Dawb khoom. Nrog cubic qauv ntawm tsawg ntiaj teb sesquioxide. Qhov siab 3.864. Melting point 2403 ℃ 20 ℃. Insoluble hauv dej, soluble hauv kub acid. Nws yog npaj los ntawm thermal decomposition ntawm scandium ntsev. Nws tuaj yeem yog ...Nyeem ntxiv -
Cov khoom, kev siv thiab kev npaj ntawm yttrium oxide
Crystal qauv ntawm yttrium oxide Yttrium oxide (Y2O3) yog dawb tsis tshua muaj ntiaj teb oxide insoluble hauv dej thiab alkali thiab soluble hauv acid. Nws yog C-hom tsawg lub ntiaj teb sesquioxide nrog lub cev-centered cubic qauv. Crystal parameter cov lus ntawm Y2O3 Crystal Structure Diagram ntawm Y2O3 Lub C...Nyeem ntxiv -
Nanometer tsawg lub ntiaj teb cov ntaub ntawv, lub zog tshiab hauv kev lag luam kiv puag ncig
Nanometer tsis tshua muaj ntiaj teb cov ntaub ntawv, lub zog tshiab hauv kev lag luam kiv puag ncig Nanotechnology yog ib qho kev sib koom tes tshiab maj mam tsim nyob rau xyoo 1980s thiab thaum ntxov 1990s. Vim tias nws muaj peev xwm los tsim cov txheej txheem tsim khoom tshiab, cov khoom siv tshiab thiab cov khoom tshiab, nws yuav teeb tawm ib qho tshiab ...Nyeem ntxiv -
Lub ntiaj teb tsis tshua muaj "Gao Fushuai" Daim Ntawv Thov Muaj Hwjchim Loj "Cerium Kws Kho Mob"
Cerium, lub npe los ntawm lus Askiv lub npe ntawm lub hnub qub Ceres. Cov ntsiab lus ntawm cerium nyob rau hauv lub ntiaj teb crust yog hais txog 0.0046%, uas yog cov feem ntau ntau hom ntawm lub ntiaj teb tsis tshua muaj ntsiab. Cerium feem ntau muaj nyob rau hauv monazite thiab bastnaesite, tab sis kuj nyob rau hauv cov khoom fission ntawm uranium, thori ...Nyeem ntxiv -
Daim ntawv thov ntawm Nano Rare Earth Oxide hauv Tsheb Exhaust
Raws li peb txhua tus paub, cov ntxhia hauv ntiaj teb tsis tshua muaj nyob hauv Suav teb yog tsim los ntawm lub teeb tsis tshua muaj lub ntiaj teb, ntawm cov lanthanum thiab cerium account rau ntau tshaj 60%. Nrog rau kev nthuav dav ntawm cov khoom siv hlau nplaum tsis tshua muaj lub ntiaj teb, cov ntaub ntawv tsis tshua muaj lub ntiaj teb luminescent, tsis tshua muaj lub ntiaj teb polishing hmoov thiab tsis tshua muaj lub ntiaj teb hauv kuv ...Nyeem ntxiv -
Nanotechnology thiab Nanomaterials: Nanometer Titanium Dioxide hauv tshuaj pleev thaiv hnub pleev xim
Nanotechnology thiab Nanomaterials: Nanometer Titanium Dioxide nyob rau hauv Sunscreen Cosmetics Quote lus Hais txog 5% ntawm cov rays tawg los ntawm lub hnub muaj ultraviolet rays nrog ib tug wavelength ≤400 nm. Ultraviolet rays nyob rau hauv tshav ntuj yuav muab faib ua: ntev-yoj ultraviolet rays nrog ib tug wavelength ntawm 320 nm ~ 400 nm ...Nyeem ntxiv -
A High Performance Aluminium Alloy: Al-Sc Alloy
A High Performance Aluminium Alloy: Al-Sc Alloy Al-Sc alloy yog ib hom kev ua haujlwm siab aluminium alloy. Muaj ntau txoj hauv kev los txhim kho kev ua tau zoo ntawm aluminium alloy, ntawm cov uas micro-alloying ntxiv dag zog thiab toughening yog frontier teb ntawm high-performance aluminium alloy kev tshawb fawb ...Nyeem ntxiv