praseodymium

Praseodymium was discovered in 1805 by Baron Auer von Welsbach in Vienna, Austria.
Le Praséodyme fut découvert en 1805 par le baron Auer von Welsbach, à Vienne, Autriche.
Alloyed with magnesium praseodymium creates a high-strength metal used in aircraft engines.
Avec du magnésium on obtient un alliage très résistant utilisé pour les moteurs d'avion.
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