gadolinium scandium aluminum garnet laser

См. также в других словарях:

• Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …   Wikipedia

• Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare …   Wikipedia

• Neodymium — praseodymium ← neodymium → promethium ↑ Nd ↓ U …   Wikipedia

• Yttrium — Strontium ← Yttrium → Zirconium Sc …   Wikipédia en Français