Kev siv niobium Raws li ib qho ntxiv rau cov hlau-raws li, nickel-based thiab zirconium-based superalloys, niobium tuaj yeem txhim kho lawv lub zog. Hauv kev lag luam atomic zog, niobium yog tsim los siv los ua cov khoom siv ntawm cov reactor thiab cladding khoom ntawm nuclear roj, thiab ...
Nyeem ntxiv