ceria

/seer-ee-uh/US // ˈsɪər i ə //UK // (ˈsɪərɪə) //

陶瓷,铈,铈的

Definitions

n.名词 noun

1
- : a white-to-yellow, heavy powder, cerium dioxide, CeO2, usually derived from cerium nitrate by decomposition with heat: used chiefly in ceramics, glass polishing, and decolorizing.

These crude earths, yttria and ceria, have supplied most if not all of the “rare earth” metals.
In this way a very high initial illuminating power was obtained, which, however, rapidly fell as the ceria slowly volatilized.
The oxyacetylene flame is concentrated upon a small pellet of ceria, which provides a brilliant source of small dimensions.
It is the ceria that gives the light, yet a little more of it will lower the luminosity.
Greater or less proportions of ceria decreased the light-output.