Zirconium is an element that is commonly used as an opacifier and refractory, though it is used in other applications as well. It was first discovered in the late 18th century, but was not isolated until the 19th century or made available in a pure from until the early 20th century. Zirconium is not found… Lau ke lahi ange »
Ko e Rhenium ko ha ukamea hahamolofia ʻaupito ia ʻoku ʻi ai hono ngaahi ʻulungaanga kehekehe ʻoku ne ʻai ke feʻunga mo ha ngaahi taumuʻa lahi he ʻaho ni. ʻOku ne maʻu ʻa e tuʻunga maʻolunga taha ʻo ha taha ʻo e ngaahi ʻelemeniti ʻi he tepile fakataimi, pea ʻoku ʻi ai ʻa e taha ʻo e ngaahi meʻa vaia māʻolunga tahá. Ko e ola ʻo e meʻa ni, rhenium is often used for… Lau ke lahi ange »
"*" fakahā mai a e ngaahi konga (field) oku fiemaʻ
"*" fakahā mai a e ngaahi konga (field) oku fiemaʻ
