• The influences of the factors, such as ethanol solution, sodium hydroxide, propylene oxide, reaction temperature, reaction time on apparent viscosity and water insoluble substance of HPG are studied.

    研究了合成过程中乙醇溶液氢氧化钠环氧丙烷、反应温度、反应时间因素产品表观黏度物含量的影响

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  • The effects of lithium hydroxide catalyst solution (6%), reaction temperature, reaction time, amount of water on reaction efficiency were studied and discussed briefly.

    考察了6%氢氧化锂水溶液含量反应温度和反应时间对取代度反应效率影响

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  • This Paper studies the reaction conditions of the Barium Sulphate and EDTA in ammonia water solution and proposes to use EDTA titration to determine sulphuric acid in Trinitro-resorcinol.

    本文研究硫酸钡氨水溶液EDTA反应条件提出EDTA滴定法测定三硝基间苯二酚中的硫酸

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  • This Paper studies the reaction conditions of the Barium Sulphate and EDTA in ammonia water solution and proposes to use EDTA titration to determine sulphuric acid in Trinitro-resorcinol.

    本文研究硫酸钡氨水溶液EDTA反应条件提出EDTA滴定法测定三硝基间苯二酚中的硫酸

    youdao

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