• 此反应条件下二醇收率可达71.1%。

    Under these conditions, the yield of butyraldehyde glycol acetal is 71.1%.

    youdao

  • 单质催化剂通过二醇反应合成了二醇

    Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst.

    youdao

  • 研究表明甲苯异氰酸酯对聚乙烯胶粘剂水性改性可行并且提高胶粘剂粘接强度

    The results of this paper have shown that it is successful for improvement on the water proof and adhesive strength of PVF with TDI.

    youdao

  • 磷酸催化下,葡萄糖二醇化反应制备了乙二醇糖苷,可用化妆品保湿剂。

    Ethylene glycol glycosides, useful as humectant in cosmetics, were prepared by phosphoric acid-catalyzed acetalization of glucose with ethylene glycol.

    youdao

  • 酸性催化剂下,葡萄糖二醇化反应制备了二醇糖苷

    Glycol glucoside was prepared from glucose and ethylene glycol in the presence of acid catalyst.

    youdao

  • 无水硫酸铜催化剂,在微波辐射下催化合成二醇

    Benzaldehyde ethylene glycol acetal was directly synthesized from benzaldehyde and ethylene glycol under microwave irradiation with cupric sulfate as catalyst.

    youdao

  • 单质为催化剂,通过丁1,2丙二醇反应合成了丁1,2丙二醇

    The butyraldehyde 1, 2-propanediol acetal is synthesized from the acetalization reaction of butyraldehyde and 1, 2-propanediol, and used iodine as catalysis.

    youdao

  • 柠檬1,2 -丙二醇原料甲基磺酸催化剂合成了柠檬1,2 -丙二醇

    Citral 1, 2-propanediol acetal was synthesized using citral and 1, 2-propanediol as raw materials and copper methanesulfonate as catalyst.

    youdao

  • 反应表明丙二醇转化率主要催化剂表面酸度影响。

    The conversion of propylene glycol was mainly affected by the surface acidity of the catalyst.

    youdao

  • 浓硫酸改性活性炭催化剂,以苯二醇为原料合成苯甲二醇的反应条件进行了研究。

    Using concentrated H_2SO_4 modified coal based activated carbon as catalyst, benzylaldehyde glycol acetal was synthesized from benzylaldehyde and glycol.

    youdao

  • 水硫酸铜作催化剂,微波辐射催化合成二醇

    Synthesis of benzaldehyde ethylene glycol acetal under microwave irradiation catalyzed by sulfate;

    youdao

  • 无水硫酸铜作催化剂,在微波辐射催化合成二醇

    Synthesis of benzaldehyde glycol acetal catalyzed by strong-acid cation-exchange resin;

    youdao

  • 无水硫酸铜作催化剂,在微波辐射催化合成二醇

    Synthesis of benzaldehyde glycol acetal catalyzed by strong-acid cation-exchange resin;

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定