yttrium

名词 yttrium:

1. a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
   同义词：Y, atomic number 39

yt.tri.um

n.Symbol Y （名词）符号 Y
A silvery metallic element, not a rare earth but occurring in nearly all rare-earth minerals, used in various metallurgical applications, notably to increase the strength of magnesium and aluminum alloys. Atomic number 39; atomic weight 88.905; melting point ,522=C; boiling point 3,338=C; specific gravity 4.45 (25=C); valence 3.See table at element
钇：一种银色金属元素，不是稀土但几乎存在于所有的稀土物质中，用于各种冶金的运用中，可显著提高镁铝合金的强度。原子序数39；原子量88.905；熔点,522=C；沸点3,338=C；比重4.45（在25=C时）；化合价3参见 element

来源：
From yttria
源自 yttria

【引伸】
yt.tric