以下为句子列表：
英文: A few inorganic structures of nanometer scale—minute crystals, for instance—have already been commercialized, notably as contrast agents.
中文: 少数奈米尺度的无机构造，像是微晶体，已经商品化了；出名的例子是对比剂。
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英文: Abstract: A review with 6 references is given on some formatities of trace element supplement for people including natural foods, inorganic chemicals, organic chemicals, complex trace element drugs and trace element ferments.
中文: 文摘:论述了人体补充微量元素的几种主要方式，其中包括天然食物、无机化合物、有机化合物、复合微量元素药物和微量元素载体酵母等。
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英文: Abstract: Liquid-phase chromatographic instruments and electric conductivity detectors produced by two factories were connected and adjusted for the purpose of their smooth operation.In addition,the optimum working conditions for detecting some inorganic
中文: 文摘:对来自2个厂家的液相色谱仪和电导检测器进行连接、调试，使其能正常运行，并确定检测饮水中某些无机阴离子的最佳工作条件。
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英文: Abstract: The traditional catalyst used in acetal(ketal) synthetic reaction is strong inorganic acid.But there is some limits to its use because of its side reaction,strong erosion and liability to pollute the environment.Molybdophosphoric acid is used as
中文: 文摘:缩醛(酮)合成反应的传统催化剂为无机强酸，但由于副反应多、腐蚀性强和易污染环境等缺点，其使用受到限制.用磷钼酸为催化剂，通过醛(酮)与乙二醇直接反应得到了三种缩合产物.对影响反应的诸因素进行研究,结果表明，用磷钼酸作催化剂，用量小，活性高，产品收率较高，且重复使用性能较好.
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英文: A Survey of the Changes of Serum Inorganic Salts and Alkaline Phosphatase after Jaw Fractures;
中文: 颌骨骨折后血清无机盐及碱性磷酸酶的变化及意义
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