• 实验结果表明电解电流效率甲基苯甲醛、间甲基苯甲醛合成超声的参与有10 %左右的提高

    The experimental results indicated that the current efficiency of electrolysis and the yields of o-, m-, p-methylbenzaldehydes were promoted about 10% under ultrasound irradiation.

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  • 二甲酸氢(RAP)一种有机极性离。型晶体。本文通过实验研究非极性轴方向的介电、DC电导、P -e曲线、光透过率等有关性能。

    Rubidium acid phthalate (RAP) is an ionic organic polar crys-tal. In this paper, the experimental studies of its dielectric property, DCconductivity, P-E curve and transmission are reported.

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  • 采用我国海南岛腰果制得的槚如果酚合成了高位热固性酚醛树脂,对所合成的树脂结均、固化条件、固化后树脂性能进行了分析

    The paper analyses the structure, curing conditions and the properties of the cardanol resol which can be made from cashew nut oil produced in Hainan Island.

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  • 硝基乙苯为原料合成了吲哚,讨论了温度反应时间原料配比催化剂用量吲哚率的影响

    Indole was synthesized from 2ethylnitrobenzene. The effects of temperature, reaction time, ratio of raw materials and quantity of catalyst on the yield were discussed.

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  • 硝基乙苯为原料合成了吲哚,讨论了温度反应时间原料配比催化剂用量吲哚率的影响

    Indole was synthesized from 2ethylnitrobenzene. The effects of temperature, reaction time, ratio of raw materials and quantity of catalyst on the yield were discussed.

    youdao

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