以下为句子列表：
英文: Highly active Fe/Mo/MgO catalyst was prepared by freeze drying method.
中文: 通过冷冻干燥法制备了高活性的Fe/Mo/MgO冻凝胶催化剂。
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英文: Preparation and activity measurement of CaO/MgO catalyst for biodiesel fuel production;
中文: 用于生物柴油的钙镁催化剂的制备及其活性评价
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英文: The earthy copper ores are rich SiO ,Al O ,Fe O and MnO. CaO and MgO were leached out and the ores become nonalkali from alkali.
中文: 与原生矿石相比 ,土状氧化铜矿石SiO 、Al O 、Fe O 、MnO明显富集 ,CaO与MgO大量淋失 ,由碱性矿石变成了可酸浸的非碱性矿石。
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英文: The results show that the contant of CaO+MgO may be improved from 9. % to 97.8 %,and because of iron elements bestow condition complex the experiment process cannot remove it from the ore so that the purity of CaO+MgO does'nt further raise.
中文: 果表明,原矿有用成份(CaO+MgO)含量由 9. ％提高到 97.8 ％。 由于铁原素赋存状态复杂,用试验流程无法除掉,影响了指标的继续提高。
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