• Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.

    通过大分子反应,合成了一类羧基磺酸基,支带聚氧乙烯基聚羧酸系高效减水剂

    youdao

  • The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.

    发明茼蒿素化合物及其合成方法应用化合物具有醇醚-螺环缩酮-缩不饱和侧链。

    youdao

  • The invention relates to garland chrysanthemum extract compounds, and a synthesis method and application thereof. The compounds have enol ether-spiro ketal-acetals and unsaturated side chains.

    发明茼蒿素化合物及其合成方法应用化合物具有醇醚-螺环缩酮-缩不饱和侧链。

    youdao

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