在巴黎市外的一个实验室底下仓库里，有一个用铂-铱合金做成制成的小圆柱体，这就是全世界衡量重量的标准。
In a laboratory vault outside Paris is a small cylinder of platinum-iridium alloy that serves as the standard for all mass measurements worldwide.
铱锇矿一种矿石，是少量铂、铑及其他金属矿石的铱锇的自然合金，用于制造针头和耐磨尖端。
A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points.
目的评估两种不同结构设计的国产铂-铱合金明胶蛋白涂层支架置入兔颈动脉后长期的生物相容性。
Objectives To assess the biocompatibility of the two kinds of different design and wire diameter gelatin coated Platinium Iridium(Pt Ir) stents in rabbit carotid arteries.
建立了锍试金富集电感耦合等离子体质谱法(ICP - MS)测定地质样品中铂、钯、铑、铱的新方法。
The preconcentration and determination of platinum, palladium, rhodium and iridium in geological samples by nickel sulphide fire assay and ICP-MS were described.
一般加入少量的铱形成更硬、更强的合金，而又包括了铂的优点。
Small amounts of iridium are commonly added for a harder, stronger alloy that retains platinum's advantages.
主要矿物是自然铂矿、铁铂合金、钌铱锇矿、等轴锇铱矿和铱锇矿。
The trace element Rh exists mainly in native platinum, platinum-iron alloy and Pt-containing osmiridium.
国际标准质量千克的原型就是由90%铂和10%铱的合金制成的。
The international prototype kilogram, the primary standard (see weights and measures) for weight, is made of an alloy comprising 90% platinum and 10% iridium.
本文利用ICP化学光谱法对自合成的聚乙烯乙二胺大孔螯合树脂富集分离微量金、铂、钯、铱进行了研究。
ICP chemical spectrometry of enriching and separating trace Au, Pt, Pd and Ir by using Poly (vinyl-ethylenediamine) was established.
重量和长度的国际标准原型用90%的铂，10%的铱制成。
The international primary standard for the kilogram is made of 90% platinum, 10% iridium.
重量和长度的国际标准原型用90%的铂，10%的铱制成。
The international primary standard for the kilogram is made of 90% platinum, 10% iridium.
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