Praseodymium feem ntau siv los ua tus neeg sawv cev alloying nrog magnesium los tsim cov hlau muaj zog siv hauv cov tshuab dav hlau. Nws tseem yog ib feem ntawm mischmetal, ib yam khoom uas siv los ua flints rau lighters, thiab nyob rau hauv cov pa roj carbon arc teeb, siv nyob rau hauv lub motion picture industry rau studio teeb pom kev zoo thiab projector teeb.
Dab tsi ua rau praseodymium tshwj xeeb?
Praseodymium yog qhov txawv ntawm qhov nws yog paramagnetic ntawm txhua qhov kub siab tshaj 1 K. Lwm cov hlau tsis tshua muaj hauv ntiaj teb yog ferromagnetic lossis antiferromagnetic ntawm qhov kub thiab txias. … 38 radioisotopes paub, qhov ruaj khov tshaj plaws yog Pr-143, uas muaj ib nrab-lub neej ntawm 13.57 hnub. Praseodymium isotopes ntau yam ntawm huab hwm coj 121 txog 159.
Neodymium praseodymium siv rau dab tsi?
Ua ke nrog neodymium, praseodymium feem ntau yog siv hauv cov hlau nplaum neodymium siv hauv thaj chaw loj hlob ntawm kev siv tshuab siab. Praseodymium thiab neodymium oxides yog siv nyob rau hauv welder thiab iav blower goggleslos tiv thaiv lub qhov muag ntawm daj flare thiab UV teeb.
Praseodymium siv rau hauv xov tooj yog dab tsi?
Alloys suav nrog cov ntsiab lus praseodymium, gadolinium thiab neodymium yog siv hauv cov hlau nplaum hauv tus hais lus thiab microphone. Neodymium, terbium thiab dysprosium yog siv rau hauv chav tsev vibration. Tin & txhuas yog siv los solder electronics hauv xov tooj.
praseodymium cuam tshuam li cas rau ib puag ncig?
Praseodymium feem ntau yogtxaus ntshai nyob rau hauv ib puag ncig ua haujlwm, vim qhov tseeb tias damps thiab gasses tuaj yeem nqus tau pa. Qhov no tuaj yeem ua rau lub ntsws embolisms, tshwj xeeb tshaj yog thaum raug mus ntev.
