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单词 iridosmine
释义 iridosmine
[´i·rǝ`däz´mēn]
METALLURGY
A natural iridium-osmium alloy composed of 10-77% iridium, 17-80% osmium, 0-10% platinum, 0-17% rhodium, 0-9% ruthenium, 0-2% iron, and 0-1% copper; used for surgical needles and compass bearings and for hardening platinum.
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