Tsis tshua muaj ntiaj teb, ib qho uas siv tau siv ib feem, tuaj yeem hais tau tias cov vitamins yog cov roj ntawm kev lag luam. Tsis tshua muaj cov hlau yog ib pawg ntawm cov hlau, suav nrog 17 lub ntsiab lus ntawm cov khoom noj cov khoom lag luam, xws lilus qhia, xiIAB, thiab preaseymium, uas tau siv dav hauv electronics, petrochemicals, metallurgy thiab lwm daim teb. Cov ntsiab lus no ua rau lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm thiab kev ua haujlwm ntawm ntau yam khoom thiab cov txheej txheem.
Cov kws tshawb fawb tuaj yeem nrhiav tau cov kev siv tshiab tshiab rau lub ntiaj teb tsis tshua muaj hlau txhua 3-5 xyoos, thiab ib qho hauv txhua rau 6 cov kev tsim nyog tso siab rau cov khoom siv me me. Qhov no qhia tau qhov tseem ceeb thiab kev txhawb nqa tas mus li uas tsis tshua muaj peev xwm ua rau thev naus laus zis ua haujlwm thiab kev hloov tshiab.
Tuam Tshoj muaj cov peev nyiaj nplua nuj ntawm lub ntiaj teb tsawg, qeb duas ua ntej hauv lub ntiaj teb no nyob rau hauv cov nqe lus ntawm cov kev khaws, ntau lawm nplai, thiab cov khoom ntim khoom. Qhov no tsis yog hais txog Tuam Tshoj cov chaw muaj txiaj ntsig ntau tab sis kuj tseem muaj peev xwm ua tau nws cov peev xwm muaj zog hauv kev sib khuav, kev faib khoom, thiab cov khoom siv tsawg tsawg. Nyob rau tib lub sijhawm, Suav yog tib lub teb chaws uas tuaj yeem muab tag nrho 17 tsis tshua muaj cov hlau me, tshwj xeeb yog cov kev siv tub rog tsis tshua muaj. Tuam Tshoj tus
Qhov tseem ceeb hauv lub nam no tau nyiam cov kev txiav txim siab thiab kev khib los ntawm lwm lub tebchaws.
Lub caij "Lanthanthancum" tau muaj npe thaum xyoo 1839 thaum ib tug txiv neej Swedish npe hu ua moisander pom tias cerium ntiaj teb muaj lwm yam. Nws tau qiv ib lo lus Greek lub ntsiab lus "zais" rau npe lub ntsiab "Lanthanthand", kev txiav txim siab cim ib kauj ruam tseem ceeb hauv kev faib tshuaj thiab nkag siab txog cov khoom siv tshuaj.
Daim ntawv thov ntawm Lanthhanum yog qhov dav heev. Piv txwv li, hauv cov ntaub ntawv piezoelectric, nws yuav pab hloov cov tshuab hluav taws xob thiab lwm yam hluav taws xob, ua rau nws tsis tseem ceeb hauvsensors thiab actuatators. Hauv cov ntaub ntawv cua sov, cov lus qhia ua ke los txhim kho cov kev hloov pauv kub thiab ruaj khov. Hauv thermoelectric ntaub ntawv, nws txhim kho kev ua haujlwm ntawm kev hloov pauv cua sov hloov hauv hluav taws xob. Hauv kev sib nqus cov ntaub ntawv, nws hloov kho cov khoom sib nqus, thaum nyob hauv cov khoom siv luminesceties (LAN hmoov), nws ua rau pom tseeb thiab muaj txiaj ntsig lub teeb. Lanthhant tseem ceeb nyob hauv hydrogen cia khoom, tso cai rau kev cia khoom zoo thiab tso tawm ntawm hydrogen. Nyob rau hauv lub khob kho qhov muag, nws txhim kho lub ntsuas hluav taws xob kom tsis muaj tseeb. Hauv cov ntaub ntawv laser, nws ua rau tiam neeg muaj zog thiab meej laser ci. Ib qho ntxiv, Lanthhanum yog siv nyob rau hauv ntau cov ntaub ntawv alloy los txhim kho lawv lub zog, kav ntev, thiab lwm yam khoom. Lanthhant tseem siv nyob rau hauv kev npaj ntau cov khoom siv organic raws li catalyst, tswj cov tshuaj lom neeg thiab txhim kho cov khoom lag luam. Ntxiv mus, Lanthhanum yog siv hauv photocatalytic ua liaj ua teb ua liaj ua teb cov ua ke, uas tau qhia txog cov txiaj ntsig kev loj hlob thiab kev tiv thaiv. Nyob rau txawv teb chaws teb chaws, cov kws tshawb fawb tau muab lub luag haujlwm ntawm kev ua qoob loo ntawm cov menyuam yaus ntawm "Super Calcium", hais txog qhov tseem ceeb tshaj plaws hauv kev siv kev ua liaj ua teb.
Lub Sijhawm Post: Dec-05-2024