- iridium alloys
- Макаров: иридий сплавы
Универсальный англо-русский словарь. Академик.ру. 2011.
iridium alloys
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Iridium — (pronEng|ɪˈrɪdiəm) is a chemical element that has the symbol Ir and atomic number 77. A very hard, brittle, silvery white transition metal of the platinum family, iridium is the second densest element and is the most corrosion resistant metal,… … Wikipedia
iridium — /i rid ee euhm, uy rid /, n. Chem. a precious metallic element resembling platinum: used in platinum alloys and for the points of gold pens. Symbol: Ir; at. wt.: 192.2; at. no.: 77; sp. gr.: 22.4 at 20°C. [1804; < L irid , s. of iris rainbow (see … Universalium
iridium — [ī rid′ē əm, i rid′ē əm] n. [ModL: so named (1804) by S. Tennant (1761 1815), Eng chemist < Gr iris (gen. iridos), IRIS, because its salts have varied colors; + IUM] a white, extremely dense, brittle, corrosion resistant chemical element, one… … English World dictionary
iridium — A white, silvery metallic element, atomic no. 77, atomic wt. 192.22; 192Ir is a radioisotope (half life of 73.83 days) that has been used in the interstitial treatment of certain tumors. [L. iris, rainbow] * * * irid·i·um ir id ē əm … Medical dictionary
iridium — i•rid•i•um [[t]ɪˈrɪd i əm[/t]] n. chem. a precious metallic element resembling platinum: used in alloys Symbol: Ir at. wt.: 192.2 at. no.: 77 sp. gr.: 22.4 at 20°C • Etymology: 1804; < L īrid , s. of īris rainbow (see iris) + ium II; so named… … From formal English to slang
iridium — /aɪˈrɪdiəm/ (say uy rideeuhm), /əˈrɪdiəm/ (say uh rideeuhm) noun a precious metallic element resembling platinum, used in platinum alloys and for the points of gold pens. Symbol: Ir; relative atomic mass: 192.2; atomic number: 77; density: 22.4… …
iridium — n. Chem. a hard white metallic element of the transition series used esp. in alloys. Usage: Symb.: Ir. Etymology: mod.L f. L IRIS + IUM … Useful english dictionary
Iridio — Osmio ← Iridio → Platino Rh … Wikipedia Español
Platinum group — The platinum group (alternatively, the platinum group metals or platinum metals) is a collective name sometimes used for six metallic elements clustered together in the periodic table. These elements are all transition metals, lying in the d… … Wikipedia
Kilogram — Kg redirects here. For other uses, see Kg (disambiguation). Kilogram A computer generated image of the international prototype kilogram (IPK). The IPK is the kilogram. The IPK, which is roughly the size of a golf ball, sits here alongside a ruler … Wikipedia
Single-unit recording — In neurophysiology, single unit recording is the use of an electrode to record the electrophysiological activity (action potentials) from a single neuron. An electrode introduced into the brain of a living animal will detect electrical activity… … Wikipedia
