• 结果表明硫酸合成丁酸苄酯优良催化剂

    The results show that ceric sulfate is an excellent catalyst for the synthesis of benzyl butyrate.

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  • 将此温效应用于烧结熔点材料——钨合金获得了很好的效果

    It was used to sintering high melting point material-cerium-tungsten alloy, and gained good effect.

    youdao

  • 本文采用氨水-碳酸混合溶液沉淀剂,通过添加聚乙二醇(PEG)聚乙烯醇(PVA)制备了表面积孔容储氧材料。

    In this dissertation, a series of high specific surface area, large pore volume and low Ce content OSMs were precipitated with mixed ammonia-ammonium carbonate solution, and assisted by PEG and PVA.

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  • 实验研究脉冲氙灯负载条件石英玻璃管壁特性实验结果进行了分析。

    The characteristic of pulse xenon flashlamp envelope, which made of cerium doped quartz glass, was studied experimentally under high input power, and the experimental results were analysed.

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  • 采用常规铸造方法,向ZA155镁合金熔体中加入适量混合稀土获得了稀土合金化锌镁合金。

    Rare-earth alloyed high zinc magnesium alloy was obtained by adding proper Ce-rich misch metals into high zinc ZA155 magnesium alloy under conventional condition.

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  • 中分别添加不同合金细化剂,考察了铸态显微组织、力学性能的变化规律。

    The high-purity aluminum was modified with different amount of Al-Ce grain refiners and the microstructures and mechanical properties of the modified aluminum were investigated.

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  • 结果表明硝酸铵引发引发效率聚合速度快,树脂的吸水能力强。

    The results showed that the Ammonium Ceric Nitrate used as initiator is high effective, the rate of polymerization reaction is satisfactory and the capacity of water-absorption for the resin is high.

    youdao

  • 结果表明硝酸铵引发引发效率聚合速度快,树脂的吸水能力强。

    The results showed that the Ammonium Ceric Nitrate used as initiator is high effective, the rate of polymerization reaction is satisfactory and the capacity of water-absorption for the resin is high.

    youdao

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