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中文摘要：
以硝酸镁、柠檬酸及氨水为原料，用凝胶一燃烧合成法制备了MgO纳米颗粒。系统研究了前驱体溶液中硝酸镁与柠檬酸的配比及其pH值对凝胶的形成、凝胶的形态、凝胶的燃烧过程以及最终合成产物特性的影响，并在优选的工艺条件下，获得了平均尺寸约为10nm且粒径分布窄的MgO颗粒。
英文摘要：
Nanocrystalline MgO powders were prepared by using Mg（NO3）2 and citric acid via gel-combustion synthesis. The effects of both the molar ratio of nitrate to citric acid and the pH value of precursors on the gel formation, morphology, combustion behavior and the crystalline size of the synthesized powders were investigated systematically, Finally, the processing parameters were optimized, and uniform nanocrystalline MgO powders with the average diameter of about 10nm were obtained.
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