• 氟化下,芳香乙酸乙酯发生克脑文格尔缩合反应,得到高产缩合产物

    The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield.

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  • 采用离子选择电极法测定炉料氟化含量,进行了条件应用试验

    Calcium fluoride content in calcium cyanamide charging is determined by a fluoride ion selective electrode method, and its conditions and applications are tested.

    youdao

  • 采用磷酸双胺盐作环氧粉末涂料氟化作添加剂

    This research USES dicyandiamide as firming agent in epoxy powder coating and sodium fluoride as additive in epoxy.

    youdao

  • 氟化下,芳香乙酸乙酯发生克脑文格尔缩合反应,得到高产率的缩合产物。且得到E异构体

    The knoevenagel condensation of aromatic aldehydes with ethyl cyanoacetate proceeds smoothly in the presence of potassium fluoride giving products in high yield. Only the E isomers could be isolated.

    youdao

  • 考察了异丁烯、氟化镧、三聚尿酸复合物(MCA)、硫代氨基甲酸盐对-钙性能影响

    The effects of polyisobutene , LaF3, MCA, dialkyldithioaminoformaite on properties of lithium-calcium base grease have been discussed in this paper.

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  • 采用磷酸双胺盐环氧粉末涂料氟化钠作添加剂。

    Synthesis of epoxy powder coatings low-temperature curing agent and its application;

    youdao

  • 采用磷酸双胺盐环氧粉末涂料氟化钠作添加剂。

    Synthesis of epoxy powder coatings low-temperature curing agent and its application;

    youdao

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