- praseodymia
- окись празеодима [празеодимия] Pr2O3
English-Russian dictionary of aviation and space materials . 1972.
praseodymia
Смотреть что такое "praseodymia" в других словарях:
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium
Auer — Auer, Baron von Welsbach (1858–1929) Austrian chemist Auer was born in Vienna, the son of the director of the Imperial Printing Press. He was educated at the Vienna Polytechnic and at Heidelberg University, where he was a pupil of Robert Bunsen.… … Scientists
praseodymium — [prā΄zē ō dim′ē əm, prā΄sēō dim′ē əm] n. [ModL < praseodymia, a rare earth (< Gr prasios: see PRASE) + ModL (di)dymium (see DIDYMIUM): so named (1885) by C. A. von Welsbach (1858 1929), Austrian chemist, from its spectroscopic line and from … English World dictionary
