• 保护措施预防撞击贯穿碳纤维和聚,和透过高密度扩大的聚乙烯制成垫塞

    Protection against impacts and perforation is ensured by a shell in carbon fibers and aramid, and by an expanded polystyrene inner padding with high density.

    youdao

  • 研究不同质量苯乙烯(PS)三苯基(TPD)复合空穴传输对有机电致发光器件(OLED)性能影响。

    The effect of the composite hole transporting layer with different polystyrene (PS) -triphenyl diamine (TPD) mass ratios on the performance of organic light-emitting devices (OLEDs) was investigated.

    youdao

  • 苯乙烯马来酸酐共聚物树脂作为乳化剂研究了其形成甲醛树脂微胶囊乳化成囊作用机理。

    The effect of the emulsifier styrene maleic anhydride copolymer (SMA) on the emulsification and encapsulation of melamine formaldehyde resin microcapsule was studied.

    youdao

  • 采用正交设计分析了聚磷酸(APP)、季戊四醇(PER)、三聚氰(MEL)作为一种混合体系苯乙烯(PS)阻燃作用。

    The flame retardance of a composite system consisting of ammonium polyphosphate (APP), pentaerythritol (PER) and melamine (MEL) used for polystyrene (PS) was studied with orthogonal design method.

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  • 本文合成了N-对氨基苯基-1,8-亚酸N-丙基-1,8-萘二亚酰合成修饰的两种聚苯乙烯高分子材料。

    Np - anilino - naphthalene -1,8- dicarboxylic imide and N - allyl - naphthalene -1.8- dicarboxylic imide were synthesized, then their two modified polymers were also prepared.

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  • 萃取N_(235)(多种叔混合物)浸渍苯乙烯-二乙烯基苯吸附树脂SDAR制备了溶剂浸渍树脂(SIR)。

    Solvent impregnating resins (SIR) have been prepared by impregnating macroporous styrene-divinylbenzene copolymer adsorption resins (SDAR) in the solution of extracting agent N235.

    youdao

  • 苯乙烯马来酸酐共聚物树脂作为保护胶体,研究了其原位聚合法形成蜜甲醛树脂胶囊的乳化成囊作用机理。

    The effect of the emulsifier styrene maleic anhydride copolymer(SMA) on the emulsification and encapsulation of melamine formaldehyde resin microcapsule was studied.

    youdao

  • 苯乙烯马来酸酐共聚物树脂作为保护胶体,研究了其原位聚合法形成蜜甲醛树脂胶囊的乳化成囊作用机理。

    The effect of the emulsifier styrene maleic anhydride copolymer(SMA) on the emulsification and encapsulation of melamine formaldehyde resin microcapsule was studied.

    youdao

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