praseodymium nghĩa là gì"praseodymium" câu [,preiziə'dimiəm] danh từ Từ điển kỹ thuật
Câu ví dụ 59 is the atomic number of Praseodymium. 59 is the atomic number of Praseodymium.Praseodymium Praseodymium occurs in small quantities in Earth's crust (9.5 ppm). Praseodymium is available in small quantities in Earth’s crust (9.5 ppm). The inside has a magnet with neodymium and praseodymium. The inside has a magnet with neodymium and praseodymium.praseodymium. The inside has a magnet made with neodymium and praseodymium. The inside has a magnet made with neodymium and praseodymium.praseodymium. Neodymium in combination with praseodymium gave Moser's "Heliolite" glass. Praseodymium can be found in a variety of minerals. thêm câu ví dụ: 1 2 3 4 5 Nghĩa Danh từ a soft yellowish-white trivalent metallic element of the rare earth group; can be recovered from bastnasite or monazite by an ion-exchange processPr , atomic number 59 ,
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