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Kev siv lub ntiaj teb tsis tshua muaj caij Praseodymium (pr)
Daim ntawv thov ntawm lub ntiaj teb tsis tshua muaj caij Praseodymium (pr). Praseodymium (Pr) Txog 160 xyoo dhau los, Swedish Mosander nrhiav tau ib lub caij tshiab los ntawm lanthanum, tab sis nws tsis yog ib lub caij. Mosander pom tias qhov xwm ntawm cov khoom no zoo ib yam li lanthanum, thiab hu ua "Pr-Nd". "Praseodymium ib ...Nyeem ntxiv -
Dab tsi yog qhov cuam tshuam ntawm tsawg ntiaj teb oxides hauv ceramic txheej?
Dab tsi yog qhov cuam tshuam ntawm tsawg ntiaj teb oxides hauv ceramic txheej? Ceramics, hlau cov ntaub ntawv thiab cov ntaub ntawv polymer yog teev raws li peb cov khoom tseem ceeb. Ceramic muaj ntau yam zoo heev, xws li kub tsis kam, corrosion kuj, hnav tsis kam, thiab lwm yam, vim hais tias cov atomi ...Nyeem ntxiv -
8/27/2021 Raw khoom nqi ntawm Neodymium hlau nplaum
Lub ntsiab lus ntawm Neodymium hlau nplaum raw khoom tus nqi tseeb. Hnub tim: Lub Yim Hli 27, 2021 Nqe: ex-ua haujlwm Tuam Tshoj Chav Tsev: CNY / mt Magnet Searcher tus nqi ntsuas tau raug ceeb toom los ntawm cov ntaub ntawv tau txais los ntawm ntau ntu ntawm cov neeg koom nrog kev lag luam suav nrog cov neeg tsim khoom, cov neeg siv khoom thiab cov neeg nruab nrab....Nyeem ntxiv -
Neodymium yog ib qho ntawm cov hlau tsis tshua muaj hauv ntiaj teb
Neodymium yog ib qho ntawm cov hlau tsis tshua muaj hauv ntiaj teb Xyoo 1839, Swedish CGMosander tau tshawb pom qhov sib xyaw ntawm lanthanum (lan) thiab praseodymium (pu) thiab neodymium (nǚ). Tom qab ntawd, chemists thoob plaws ntiaj teb tau them nyiaj tshwj xeeb rau kev sib cais cov ntsiab lus tshiab los ntawm kev tshawb pom lub ntiaj teb tsis tshua muaj. Hauv...Nyeem ntxiv -
Neodymium yog ib qho ntawm cov hlau tsis tshua muaj hauv ntiaj teb
Neodymium yog ib qho ntawm cov hlau tsis tshua muaj hauv ntiaj teb Xyoo 1839, Swedish CGMosander tau tshawb pom qhov sib xyaw ntawm lanthanum (lan) thiab praseodymium (pu) thiab neodymium (nǚ). Tom qab ntawd, chemists thoob plaws ntiaj teb tau them nyiaj tshwj xeeb rau kev sib cais cov ntsiab lus tshiab los ntawm kev tshawb pom lub ntiaj teb tsis tshua muaj. Hauv...Nyeem ntxiv -
Khawv koob Rare Earth Element: "King of Permanent Magnet"-Neodymium
Khawv koob Rare Earth Element: "King of Permanent Magnet"-Neodymium bastnasite Neodymium, atomic number 60, atomic weight 144.24, with a content of 0.00239% in the crust, mainly available in monazite and bastnaesite. Muaj xya isotopes ntawm neodymium nyob rau hauv cov xwm: neodymium 142, 143, 144, 145, 146, 148 ...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 res ...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 -
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 -
8/19/2021 Raw khoom nqi ntawm Neodymium hlau nplaum
Lub ntsiab lus ntawm Neodymium hlau nplaum raw khoom tus nqi tseeb. Raw Materials Price of Neodymium Magnets Hnub tim: Lub Yim Hli 3, 2021 Nqe: ex-works Tuam Tshoj Chav: CNY / mt MagnetSearcher tus nqi ntsuam xyuas raug ceeb toom los ntawm cov ntaub ntawv tau txais los ntawm ntau ntu ntawm cov neeg koom nrog kev lag luam suav nrog pr ...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, thorium, ...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