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稀土元素及其化合物由于在科学上的重要意义和在工业上的应用价值,这一领域的研究近年来进行得十分活跃并取得了很多新的进展叭 为了有效地开发和充分地利用我国丰富的稀土资源,许多有关工业和研究部门迫切需要稀土元素及其化合物的基础热力学数据作工程设计或理论计算之依据.
Due to their scientific significance and their industrial application value, the research on rare earth elements and their compounds has been very active in recent years and many new progresses have been made. In order to effectively develop and make full use of the abundant Rare earth resources, many relevant industrial and research departments urgently need the basic thermodynamic data of rare earth elements and compounds for engineering design or theoretical basis.