• 研究了一种五氧化硝化选择性硝化缩水甘油合成缩水甘油硝酸温和高效方法

    A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed.

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  • 前言: 简要介绍以五氧化硝化制备硝酸绿色硝化反应的类型工艺特点

    The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.

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  • 简要介绍五氧化氮为硝化制备硝酸绿色硝化反应的类型工艺特点

    The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.

    youdao

  • 结果表明氢茉莉酸丙提高根系活力叶片硝酸还原酶活性(NRA) ,增加叶绿素含量和可溶性蛋白含量从而高产奠定良好生理基础

    The results indicated PDJ could improve the vigor of root system and NRA of leaves, increase chlorophyll and soluble protein content, thus laying a better physiological foundation for high yield.

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  • 研究了聚分子量含量TPU结构性能影响,提出了TPU中引入PEG可以改善其与硝酸酯的混溶能力。

    The effect of molecular weight and content of PEG in soft segment on morphology and properties of TPU was studied.

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  • 一种碳酸合成方法,通过一氧化碳硝酸催化剂存在,用压力和较低的温度偶联合碳酸

    Carbon monoxide and nitrous acid ester are synthesized through coupling reaction into diester carbonate in the presence of catalyst and at relatively low pressure and temperature.

    youdao

  • 一种碳酸合成方法,通过一氧化碳硝酸催化剂存在,用压力和较低的温度偶联合碳酸

    Carbon monoxide and nitrous acid ester are synthesized through coupling reaction into diester carbonate in the presence of catalyst and at relatively low pressure and temperature.

    youdao

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