• 质子交换燃料电池采用氟磺酸固体聚合物电解质

    Proton exchange membrane fuel cells use a perfluorosulfonic solid polymer film as electrolyte.

    youdao

  • 通常使用氟磺酸质子交换的成本高且阻性能差。

    One is low methanol oxidation activity at the anode, and the other is methanol crossover from the anode to the cathode through the membrane.

    youdao

  • 磺酸树脂溶液质子交换燃料电池和电化学中有用途。

    Perfluorinated resin solution is useful in proton exchange membrane fuel cell.

    youdao

  • 介绍了用全磺酸树脂固体强酸催化剂进展情况应用实例

    The advance situation and applied examples of perfluorinated sulfonic resin as solid super acidic catalyst are introduced.

    youdao

  • 本发明制备磺酸具有较好的保水性能较高质子导电较高的机械性能。

    The prepared fluorine-containing sulfonic acid film has the advantages of better water conservation, higher proton conductivity, and higher mechanical properties.

    youdao

  • 作为固体电解质,沿用PEFC(高分子固体电解质型燃料电池)一般使用磺酸类聚合体。

    As a solid electrolyte, followed the PEFC (polymer solid electrolyte type fuel cell) for general use category of perfluorinated sulfonic acid polymer.

    youdao

  • 复合采用廉价部分磺酸树脂PTFE代替价格昂贵的全氟磺酸膜,可以大大降低质子交换膜成本。

    The price of SPTFS/PTFE composite membranes was greatly reduced by using cheap partially fluorinated polymer instead of expensive perfuorinated resin.

    youdao

  • 磺酸质子交换是一类具有高热稳定性化学稳定性及良好机械性能的离子交换膜,具有极其广阔的应用前景

    Fluoride sulfonic proton exchange membrane has a much bright future for its high thermal stability, high chemical stability and good mechanical strength.

    youdao

  • 生产了各种基三磺酸酯。

    Various aryl triflates were produced.

    youdao

  • 目的考察甲磺酸沙星注射液木糖醇注射液室温下配伍稳定性

    Objective: To study on the stability of the compatibility of pefloxacini mesylate injection with xylitol at room temperature.

    youdao

  • 结论复方奥磺酸沙星缓释具有较长时间的缓释效果

    Conclusion The sustained-release periodontal suppository of ornidazole and pefloxacin have sustained-release effect of long time.

    youdao

  • 辛烷磺酸类物质(PFOS水、疏油的特性药品包装领域得到了广泛应用

    Perfluorooctane sulfonate (PFOS) is widely used in production of drug packaging materials, due to its non-hydrophilic and non-lipophilic properties.

    youdao

  • speek磺酸质子交换膜制备性能进行了初步研究对自增湿speek进行了尝试研究。

    Some primary study on synthesis and performance of non-fluorinated SPEEK PEM and SPEEK self-humidifying membrane was carried out.

    youdao

  • 然后研究磺酸催化的胺和乙酸乙酯的反应,从而合成了乙酰苯胺类化合物。

    Objective:To study the anti tumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.

    youdao

  • 研究氨基磺酸硼酸甲苯磺酸催化作用探讨了其催化机理

    The research was concentrated on the co catalysis effect and the related catalytic mechanism of strong acids, such as amino sulfonic acid, p toluenesulfonic acid and fluoroboric acid.

    youdao

  • 某些泡沫辛烷磺酸盐,有效的但是是高污染的。

    Some foams, like Perfluorooctane sulfonate, are effective but highly polluting.

    youdao

  • 各种含有芳基磺酸催化量和膦体的存在下与或酰胺发生取代反应。

    Various aryl triflates, bearing ketone or aldehyde groups, were evaluated for palladium-mediated introduction of an amino group at the triflate position in the presence of various phosphine ligands.

    youdao

  • 结论:甲磺酸沙星治疗尿感染中疗效与司沙星相当。

    Conclusion: Pefloxacin mesylate is as effective as sparfloxacin in treatment of urinary tract infections.

    youdao

  • 目的比较磺酸沙星沙星治疗尿感染疗效

    Objective:To compare the therapeutic effects of pefloxacin mesylate and sparfloxacin in treatment of urinary tract infections.

    youdao

  • 目的考察磺酸沙星注射液木糖醇注射液室温下配伍稳定性

    Objective: to study the stability of the compatibility of levofloxacin injection with xylitol at room temperature.

    youdao

  • 离子磺酸紧密结合减少磺酸基团脱落从而提高树脂稳定性能

    Fluoride ion and acid base were closely integrated to reduce the shedding of sulfonic acid groups, thereby enhancing the resin is thermal stability.

    youdao

  • 采用离子色谱同时测定合成药物中存在的四硼酸根、对甲基苯磺酸根、硫酸根、1,4-丁二磺酸根4种离子。

    A new method of simultaneous separating and determining tetrafluoroborate, p-toluene sulphonic acid, sulfate radical and 1,4-Butanedisulfonie acid by ion chromatography was established.

    youdao

  • 本文以国内易得原料为主,设计研究盐酸沙星磺酸沙星合成工艺,并对合成的产物性质结构进行了表征。

    This paper is focused around a systematic research on new synthetic process of Difluoxacin Hydrochloride & Danofloxacin Mesylate, and confirm the product through structure and property analysis.

    youdao

  • 发明涉及一种负载磺酸SBA-15介孔材料及其制备方法应用

    The invention relates to an SBA-15 mesoporous material loaded with zinc trifluoromethanesulfonate and a preparation method and application thereof.

    youdao

  • 发明涉及一种负载磺酸SBA-15介孔材料及其制备方法应用

    The invention relates to an SBA-15 mesoporous material loaded with zinc trifluoromethanesulfonate and a preparation method and application thereof.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定