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Lub ntiaj teb tsis tshua muaj nqi sib piv rau Lub Xya Hli 14, 2023
Khoom npe Nqe Ups thiab downs Hlau lanthanum (yuan / ton) 25000-27000 - Cerium hlau (yuan / ton) 24000-25000 - Hlau neodymium (yuan / ton) 550000-560000 - Dysprosium hlau (yuan / 0 kg) 26000 50 Terbium hlau (yuan/kg) 8900-9100 +200 Praseodymium neodymium hlau (yuan/ton) 540000-...Nyeem ntxiv -
Lub Xya Hli 3- Lub Xya Hli 7 Tsis tshua muaj Ntiaj Teb Kev Ntsuam Xyuas Txhua Lub Limtiam - Ib qho kev ua si ntawm tus nqi thiab kev thov, kev hu rov qab thiab kev ntsuas kev ruaj ntseg
Tag nrho cov qauv ntawm lub ntiaj teb tsis tshua muaj lub lim tiam no (Lub Xya Hli 3-7) tsis yog qhov zoo, nrog ntau cov khoom lag luam uas qhia qhov sib txawv ntawm qhov poob qis thaum pib ntawm lub lim tiam. Txawm li cas los xij, qhov tsis muaj zog ntawm cov khoom tseem ceeb tau qeeb hauv theem tom ntej. Txawm tias tseem muaj chaw rau ib tug ...Nyeem ntxiv -
Gadolinium: Cov hlau txias tshaj plaws hauv ntiaj teb
Gadolinium, lub caij 64 ntawm lub sijhawm teem sijhawm. Lanthanide nyob rau hauv lub sij hawm lub sij hawm yog ib tsev neeg loj, thiab lawv cov tshuaj muaj pes tsawg leeg zoo sib xws, yog li nws yog ib qho nyuaj rau cais lawv. Xyoo 1789, Finnish chemist John Gadolin tau txais cov hlau oxide thiab pom thawj lub ntiaj teb tsis tshua muaj o ...Nyeem ntxiv -
Tus nqi sib txawv ntawm lub ntiaj teb tsis tshua muaj thaum Lub Xya Hli 5, 2023
Khoom npe Nqe Ups thiab downs Hlau lanthanum (yuan/ton) 25000-27000 - Cerium (yuan/ton) 24000-25000 - Hlau neodymium (yuan/ton) 575000-585000 - Dysprosium hlau (yuan/kg) -268ium Hlau (yuan / kg) 10000-10200 - Praseodymium neodymium hlau ...Nyeem ntxiv -
Qhov cuam tshuam ntawm Lub Ntiaj Teb Tsis tshua muaj rau Aluminium thiab Aluminium Alloys
Daim ntawv thov ntawm lub ntiaj teb tsis tshua muaj nyob rau hauv casting aluminium alloy tau nqa tawm ua ntej txawv teb chaws. Txawm hais tias Tuam Tshoj tau pib tshawb fawb thiab siv cov nam no tsuas yog nyob rau xyoo 1960, nws tau tsim sai heev. Muaj ntau txoj haujlwm tau ua los ntawm kev tshawb fawb txog kev siv tshuab mus rau kev siv tswv yim, thiab qee qhov kev ua tiav ...Nyeem ntxiv -
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 hlau nplaum. 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