字典網>> 英漢字典>> I開頭詞條>>iridium的意思

iridium

音標[ai'ridi?m] 讀音

漢語翻譯


n. 銥
【化】 銥Ir
【醫】 銥(77號元素)

詞型變化:

簡寫符號:Ir 

英文解釋:

名詞 iridium:

  1. a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
    同義詞:Ir, atomic number 77

詳細解釋:


i.rid.i.um

n.Symbol Ir (名詞)符號 Ir
A very hard and brittle, exceptionally corrosion-resistant, whitish-yellow metallic element occurring in platinum ores and used principally to harden platinum and in high-temperature materials, electrical contacts, and wear-resistant bearings. Atomic number 77; atomic weight 92.2; melting point 2,40=C; boiling point 4,30=C; specific gravity 22.42 (at 7=C); valence 3, 4.See table at element
銥:一種堅硬而脆的,極抗腐蝕的黃白色金屬,存在於鉑礦中,主要用來硬化鉑和製造耐高溫材料,電器接頭和耐磨軸承。原子序數77;原子重92.2;熔點2,40=C;沸點4,30=C;比重22.42(在7=C時);化合價3,4參見 element

來源:
Latin oris orid- [rainbow (from the colors produced by dissolving it in hydrochloric acid)] * see irido-
拉丁語 oris orid- [彩虹(將銥溶解於鹽酸時會產生彩虹般的顏色)] *參見 irido-
-ium
-ium

展開閱讀更多↓

猜你喜歡: