rhenium

名词 rhenium:

1. a rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
   同义词：Re, atomic number 75

rhe.ni.um

n.Symbol Re （名词）符号 Re
A rare, dense, silvery-white metallic element with a very high melting point used for electrical contacts and with tungsten for high-temperature thermocouples. Atomic number 75; atomic weight 8'.2; melting point 3,80=C; boiling point 5,'27=C; specific gravity 2.02; valence , 2, 3, 4, 5, ', 7.See table at element
铼：一种稀有的不透光银白色金属元素，具有非常高的熔点。用作电气触点，与钨用作高温热电偶。原子序数75；原子重量8'.2；熔点3,80=C；沸点5,'27=C；比重2.02；化合价，2，3，4，5，'，7参见 element

来源：
From Latin Rhônus [the Rhine]
源自 拉丁语 瑞纳斯 [莱茵河]