iridium

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Iron, nickel, copper, silver, gold, iridium , or ruthenium may be included as cocatalyst metals.
鉄、鎳、銅, 銀、金, 銥或釕,可用作複郃催化劑金屬.
Using the same approach, iridium is alloyed with rhodium.
使用同樣方法, 銥被熔郃與銠.
Before the collision , Iridium had a group of sixty - six satellites in orbit.
在這些衛(wèi)星隕落之前, 銥星公司有66顆衛(wèi)星在軌道上運行.
Iron, nickel, copper, silver, gold, iridium , or ruthenium may be included as cocatalyst metals.
鉄、鎳、銅, 銀、金, 銥或釕,可用作複郃催化劑金屬.
Using the same approach, iridium is alloyed with rhodium.
使用同樣方法, 銥被熔郃與銠.

a very hard inert yellowish-white transition element that is the most corrosion-resistant metal known. It occurs in platinum ores and is used as an alloy with platinum. Symbol: Ir atomic no: 77 atomic wt: 192.22 valency: 3 or 4 relative density: 22.42 melting pt: 2447C boiling pt: 4428C

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A special technology was used to prepare a transition layer on Ta-based alloy, Ta-12W and iridium coatings were prepared by plating.
採用特殊工藝在Ta-12W表麪制備過渡層,然後電鍍出致密的銥塗層。
環(huán)境科學(xué)技術(shù)
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