以下为句子列表：
英文: Based on the data of the rare-earth element in coals from coal seams of the Late Permian Liupanshui, Leping, Huangshi and Chongqing coal mining districts in South China, this paper focuses on the discussion of the characters of content distribution, occur
中文: 摘要在华南地区贵州六盘水、江西乐平和湖北黄石矿区以及重庆钟梁山和磨心坡煤矿晚二叠世煤的稀土元素电感耦合等离子质谱分析数据的基础上，系统研究了华南地区煤的稀土元素的质量分数分布特征、赋存特征、配分模式及其地质控制因素。
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英文: Distribution patterns of the rare-earth element in coal are similar for the coals from the same district, and different for the coals of different districts.
中文: 同一矿区晚二叠世煤的稀土元素配分模式具有一定的相似性，而不同地区晚二叠世煤的稀土元素配分模式则差异较大。
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英文: Microelements and rare-earth element in the Calophyllum membranaceurn Gardn leaves were determined by element Plasma Mass Spectrometer. Totally, the content of 47 kinds of elements were measured by ICP-MS.
中文: 摘要利用元素等离子体质谱仪(ICP-MS)测定薄叶红厚壳叶中的微量和稀土元素，共测定了47种元素的含量。
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英文: Results showed that it was realizable by taking such measures as using high inner-clad numerical aperture, appropriate rare-earth doped double-clad fiber and decreasing transmission loss of sunlight.
中文: 计算结果表明，通过采用内包层数值孔径较大、掺杂适当稀土元素的双包层光纤及减小太阳光传输过程中的损耗等措施提高光纤激光器对太阳能的吸收效率，可以实现太阳能直接抽运光纤激光器。
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英文: The Project Content : With the high-grade ore concentrate of rare-earth and the selecting of the advanced extraction separation production technics, the work processes ore concentrate 3,000 tons per year and produces the high-purity oxygen cerium (REO99.9
中文: 项目内容：用高品位稀土精矿，选用国内外先进的全萃取分离生产工艺，年处理稀土精矿3000吨，生产高纯氧化铈（REO99.99%）及系列产品。
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