| 释义 |
yttrium oxide
yttrium oxiden. A yellowish powder, Y2O3, used in optical glasses, ceramics, and color-television tubes. Also called yttria.yttrium oxide n (Elements & Compounds) a colourless or white insoluble solid used mainly in incandescent mantles. Formula: Y2O3. Also called: yttria yttrium oxide
yttrium oxide[′i·trē·əm ′äk‚sīd] (inorganic chemistry) Y2O3 A yellowish powder, insoluble in water, soluble in dilute acids; used as television tube phosphor and microwave filters. Also known as yttria. |