• 研究水分含量氨基制备2-苯基甲酸收率影响

    The effect of content of water on the yield of 2-phenylbenzmide by using sodium amide was studied.

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  • 研究水分含量氨基裂解芴酮制备2-苯基苯甲酸胺收率影响

    The effect of content of water on the yield of 2-phenylbenzmide by using sodium amide to cleave fluorenone was studied.

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  • 采用甲酸改性醇酸树脂混合醚化三聚氰甲醛树脂为基料,配以适量的纹助剂制成高固体分低温氨基

    The high-solid fast drying amino hammer paint is prepared with benzoic acid modified alkyd resin and etherified melamine-formaldehyde resin as binder, hammering agent and other components.

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  • 优选地氨基甲酸聚物异氰酸酯预聚物,且该固化剂包括醇。

    Preferably, the urethane prepolymer is an aliphatic isocyanate polyether prepolymer and the curative includes an aromatic diamine and a triol.

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  • 考察了异丁烯、氟化镧、三聚氰氰尿酸复合物(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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  • 考察了异丁烯、氟化镧、三聚氰氰尿酸复合物(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.

    youdao

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