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在不同条件下制备了一系列ＣｅＯ＿２支持体，对它们的Ｇｅ、Ｇａ吸附性质进行了研究，选择其中的三种制备了实验性的￣（６８）Ｇｅ／￣（６８）Ｇａ发生器，并考查了它们的淋洗性能。
A series of CeO_2 supports were prepared under different conditions, and their adsorption properties of Ge and Ga were studied. Three of them were selected to prepare an experimental 68 Ge / 68 Ga generator. Their rinsing performance.