| 单词 | iridium |
| 释义 | iridium noun[U] uk/ɪˈrɪd.i.əm/us/ɪˈrɪd.i.əm/a very hard yellowish-whitemetal 铱Chemical elements
iridium| American Dictionaryiridium noun[U] us/ɪˈrɪd·i·əm/chemistry,earth science araremetalelementthat issilverincolor Examplesofiridiumiridium Each contact is made of platinum/iridiumalloy and is 1.5 mm in length and 1.27 mm in diameter. From theCambridge English Corpus Radium has been replaced as a radioactive source in radiotherapy machines by safer materials such as cobalt andiridium. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 They do not have access to theiridiumsources needed for this equipment to work. FromEuroparl Parallel Corpus - English Iridiumis gearing up for future mobile-based international communications. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Iridiumis added mostly in platinum jewellery, and certainly in white gold jewellery, to give added strength to the claw mounting. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Iridiumalready has 60 of its 66 satellites up and on station. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Iridium-192 is also a strong gamma ray emitter. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.Iridium-192 is commonly used as a gamma ray source in industrial radiography to locate flaws in metal components. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Iridiumis used in particle physics for the production of antiprotons, a form of antimatter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Additional graphite components provided impact protection, whileiridiumcladding of the fuel cells provided post-impact containment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The rhodium andiridiumanions tend to be slightly unstable if the ligand is triphenylphosphine however, and quickly undergo reduction. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Other precious metals include the platinum group metals: ruthenium, rhodium, palladium, osmium,iridium, and platinum, of which platinum is the most widely traded. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Iridiumradioisotopes are used in some radioisotope thermoelectric generators. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The platinum group consists of platinum,iridium, osmium, palladium, rhodium, and ruthenium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The noble metals are most commonly considered to be ruthenium, rhodium, palladium, silver, osmium,iridium, platinum, and gold. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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