• 结果表明硬脂等摩尔充分混合生成硬脂酸铵盐, 体系中残存的少量硬脂酸与其铵盐形成酸盐结构

    The results indicated that after mixing the two reactants together, pentyl ammonium stearate was created and it formed acid-salt structure with the stearic acid remained.

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  • 二氧化双环二烯难于单独酸酐固化好的被酸酐与醇所固化。

    Dicyclopentadiene dioxide was hardly cured by amines or acid anhydrides alone, but can be well cured by acid anhydrides mixed with alcohols.

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  • 采用正交设计分析了聚磷酸(APP)、四醇(PER)、三聚氰(MEL)作为一种混合体系聚苯乙烯(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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  • 磷酸二氢四醇三聚氰丙烯酸树脂原料研制了一种超薄膨胀型丙烯酸树脂结构防火涂料。

    The title super-thin fire retardant intumescent coatings for steel structure is prepared with monobasic ammonium phosphate(ADP), pentaerythritol, melamine, and acrylic resin.

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  • 发明涉及一种化合物合成方法尤其涉及一种(4R,5R)-4,5-双(氨甲基)-1,3-二氧环类化合物的制备方法。

    The present invention relates to one kind of diamine compound synthesizing process, and is especially preparation process of (4R, 5R)-4, 5-bis(aminomethyl)-1, 3-dioxolane compounds.

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  • 研究了三磷酸盐(M P)四醇(PER)作为膨胀型阻燃剂(ifr)乙烯-醋酸乙烯酯共聚物(EVA)中的阻燃作用。

    Flame retardation of EVA copolymer using melamine phosphate (MP) and pentaerythritol (PER) as intumescent flame retardants (IFR) was investigated.

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  • 这种作用不能被超氧化物歧化酶铁络合剂二乙乙酸抑制可被过氧化氢酶抑制。

    This effect was not inhibited by superoxide dismutase or diethylenetriaminepentaacetic acid, but was inhibited by catalase.

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  • 胡椒碱有很强小鼠mes对抗四唑引起小鼠阵挛性发作的作用,明显增加小鼠脑类神经递质5 - HT的含量。

    It could also prolong the deep sleep of rabbits. piperine afforded potent protection against MES and Met in mice. and was found to be able to increase the concentration of 5-ht.

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  • 胡椒碱有很强小鼠mes对抗四唑引起小鼠阵挛性发作的作用,明显增加小鼠脑类神经递质5 - HT的含量。

    It could also prolong the deep sleep of rabbits. piperine afforded potent protection against MES and Met in mice. and was found to be able to increase the concentration of 5-ht.

    youdao

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