• Mass transfer mathematic model of carbon dioxide removal by sterically hindered amine has established.

    建立了空间位阻脱碳数学模型

    youdao

  • The effects of hindered amine light stabilizers (HALS), antioxidants on the radiation induced discoloration of polypropylene (PP) and polyethylene (PE) are studied.

    结果表明五甲基HALS比相应四甲基HALS更有效地阻止聚烯烃辐射

    youdao

  • The effects of hindered amine light stabilizers (HALS), antioxidants on the radiation induced discoloration of polypropylene (PP) and polyethylene (PE) are studied.

    结果表明五甲基HALS比相应四甲基HALS更有效地阻止聚烯烃辐射

    youdao

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