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    Methods:Samples were dried at room temperature after coating films, followed by freezing, hardening. 4% acetic acid was used to extract metals in treated samples.

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    Through chromium sour oxidize propyl alcohol system ester law study in sulphuric acid acetic acid system in, proply acetate and proply propanoate form mechanism, and related influencing factor.

    youdao

  • 通过氧化研究硫酸-乙酸体系乙酸丙酸丙酯的形成机理,及相关影响因素

    Through chromium sour oxidize propyl alcohol system ester law study in sulphuric acid acetic acid system in, proply acetate and proply propanoate form mechanism, and related influencing factor.

    youdao

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