• Using the Panzhihua ilmenite concentrate and the analytically pure zinc oxide as raw materials, photocatalytic powders were prepared by solid reaction calcinations process.

    攀枝花精矿原料,加入一定配比氧化锌采用相反应煅烧法制具有光催化作用的多相复合粉体

    youdao

  • The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.

    提出氯酸催化剂,分析乙酸乙酯为介质乙酰测定伯、实验条件,实现了对经典方法改进,简化了操作程。

    youdao

  • The experimental condition of acetylating method for determining priminary alcohol and secondary alcohol catalyzed by perchloric acid in the medium of analytically pure ethylacetate is proposed.

    提出氯酸催化剂,分析乙酸乙酯为介质乙酰测定伯、实验条件,实现了对经典方法改进,简化了操作程。

    youdao

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