以下为句子列表：
英文: Abstract: It is proposed that the sturdiness of silicic acid congealed gel is a key factor to make the reaction of producing“Lead Trees” successful.The better conditions of preparing silicic acid congealed gel are detemined.The success rate of this oxidat
中文: 文摘:提出了生成“铅树”反应成功的关键是硅酸凝胶的坚固性，找到了较好的硅酸凝胶的制备条件，使该氧化还原平衡移动的反应成功率提高了90％以上.
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英文: Abstract: the iodine is extracted from fluorosilicic acid solution by carbon tetrachloride after the iodine ion is oxidized to the free iodine. The oxidant B is adopted through sifting oxidants.
中文: 摘要对氟硅酸提碘过程的氧化剂进行选择研究，结果表明，对碘回收率而言氧化剂B较好。
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