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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Praseodymium(III) oxide ： ウィキペディア英語版 Praseodymium(III) oxide |Section2= |Section3= |Section4= |Section7= |Section8= }} Praseodymium(III) oxide or praseodymium oxide is the chemical compound composed of praseodymium and oxygen with the formula Pr2O3. It forms white hexagonal crystals.〔 Praseodymium(III) oxide crystallizes in the manganese(III) oxide or bixbyite structure.〔 〕 ==Uses== Praseodymium(III) oxide can be used as a dielectric in combination with silicon.〔 Praseodymium-doped glass, called didymium glass, turns yellow and is used in welding goggles because it blocks infrared radiation. 2500 tonnes of praseodymium(III) oxide are produced worldwide each year.〔 〕 Praseodymium(III) oxide is also used to color glass and ceramics yellow.〔 〕 For coloring ceramics, also the very dark brown mixed-valence compound praseodymium(III,IV)oxide, Pr6O11, is used. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Praseodymium(III) oxide」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.