英语词汇“ruthenium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

ruthenium

/rʊˈθiːnɪəm

noun [mass noun]

The chemical element of atomic number 44, a hard silvery-white metal of the transition series. (Symbol: Ru) To this group belong the important steel alloying elements nickel and manganese, as well as cobalt and the inert metals ruthenium, rhodium, palladium, osmium, iridium and platinum....

It is also classified with a group of similar metals, including ruthenium, rhodium, palladium, osmium, and iridium, with similar properties.
That porous layer, which contains stabilized zirconia and small amounts of the metals ruthenium and cerium, chemically and cleanly converts the fuel to hydrogen.

Origin

Mid 19th century: modern Latin, from medieval Latin Ruthenia (see Ruthenia), so named because it was discovered in ores from the Urals.

单词	ruthenium
释义	ruthenium /rʊˈθiːnɪəm / noun [mass noun] The chemical element of atomic number 44, a hard silvery-white metal of the transition series. (Symbol: Ru) To this group belong the important steel alloying elements nickel and manganese, as well as cobalt and the inert metals ruthenium, rhodium, palladium, osmium, iridium and platinum.... It is also classified with a group of similar metals, including ruthenium, rhodium, palladium, osmium, and iridium, with similar properties. That porous layer, which contains stabilized zirconia and small amounts of the metals ruthenium and cerium, chemically and cleanly converts the fuel to hydrogen. Origin Mid 19th century: modern Latin, from medieval Latin Ruthenia (see Ruthenia), so named because it was discovered in ores from the Urals. Rhymes helenium, proscenium, rhenium, selenium
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ruthenium

Origin

Rhymes