magnesium

名词 magnesium:

1. a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)
   同义词：Mg, atomic number 12

1. A glass bulb filled with finely shredded aluminum or magnesium foil that is ignited by electricity to produce a short-duration high-intensity light flash for taking photographs.
   闪光泡一种内部装有铝箔或镁箔的精细碎片的玻璃灯泡，用电点燃以发出短暂的高强度闪光，从而拍摄照片

mag.ne.si.um

n.Symbol Mg （名词）符号 Mg
A light, silvery-white, moderately hard metallic element that in ribbon or powder form burns with a brilliant white flame. It is used in structural alloys, pyrotechnics, flash photography, and incendiary bombs. Atomic number 2; atomic weight 24.32; melting point '49=C; boiling point ,090=C; specific gravity .74 (at 20=C); valence 2.See table at element
镁：一种质轻、银白色的成条状或粉状的中性硬度金属元素，燃烧时有很亮的白色火焰。用于建筑方面的合金、焰火、闪光灯或燃烧弹。原子序号2；原子量24.32；熔点'49=C；沸点,090=C；比重.74(20=C时）；原子价2参见 element

来源：
From magnesia
源自 magnesia