preparation of heterogeneous catalyst
preparation of heterogeneous catalyst
多相催化剂的制备
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The new preparation process of tetrabromobisphenol - a with bisphenol - a, bromine and hydrogen peroxide as raw materials by a heterogeneous catalyst reaction has been introduced in this paper.
以双酚a、溴水和过氧化氢为原料，采用非均相催化反应技术合成四溴双酚a的新工艺。
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