“rare earth element”的概念、定义、翻译、参考文献-科学参考

单词	rare earth element
释义	rare earth element Encyclopedia 理学稀土元素释 rare earth element稀土元素元素周期表ⅢB族中原子序数为21、39和57～71的17种化学元素的总称。稀土元素的化学符号用RE代表。又称稀土金属。包括钪Sc、钇Y、镧La、铈Ce、镨Pr、钕Nd、钷Pm、钐Sm、铕Eu、钆Gd、铽Tb、镝Dy、钬Ho、铒Er、铥Tm、镱Yb、镥Lu。其中57～71号元素称为镧系元素，位于元素周期表最下方的f区。从镧到铕为铈组（轻稀土），从钆到镥及钇为钇组（重稀土）。 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 rare earth element稀土元素
随便看	Journal of Agritechnical Economics Journal of Agro-Environment Science Journal of Agronomy and Crop Science journal of an association,society, ect Journal of Animal Breeding and Genetics Journal of Animal Physiology and Animal Nutrition Journal of Animal Science Journal of Animal Science and Biotechnology JOURNAL OF APPLIED GEOPHYSICS Journal of Applied Linguistics Journal of Asian Architecture and Building Engineering Journal of Astronautic Metrology and Measurement Journal of Astronautics Journal of Astrophysics and Astronomy Journal of Basic Chinese Medicine Journal of Beijing Film Academy Journal of Beijing University of Aeronautics and Astronautics Journal of Beijing University of Traditional Chinese Medicine Journal of Biological Chemistry Journal of Broadcasting and Electronic Media Journal of Building Materials Journal of Building Structures Journal of Chemical Industry and Engineering (China) Journal of China Institute of Water Resources and Hydropower Research Journal of China University of Petroleum

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