质子交换膜燃料电池采用全氟磺酸固体聚合物膜为电解质。
Proton exchange membrane fuel cells use a perfluorosulfonic solid polymer film as electrolyte.
二是通常使用的全氟磺酸质子交换膜的成本高且阻醇性能差。
One is low methanol oxidation activity at the anode, and the other is methanol crossover from the anode to the cathode through the membrane.
全氟磺酸树脂溶液在质子交换膜燃料电池和电化学中很有用途。
Perfluorinated resin solution is useful in proton exchange membrane fuel cell.
介绍了用全氟磺酸树脂作固体超强酸催化剂的进展情况和应用实例。
The advance situation and applied examples of perfluorinated sulfonic resin as solid super acidic catalyst are introduced.
本发明制备的含氟磺酸膜具有较好的保水性能、较高的质子导电率和较高的机械性能。
The prepared fluorine-containing sulfonic acid film has the advantages of better water conservation, higher proton conductivity, and higher mechanical properties.
作为固体电解质,沿用了PEFC(高分子固体电解质型燃料电池)一般使用的全氟磺酸类聚合体。
As a solid electrolyte, followed the PEFC (polymer solid electrolyte type fuel cell) for general use category of perfluorinated sulfonic acid polymer.
该复合膜采用廉价的部分氟化磺酸树脂和PTFE来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.
含氟磺酸型质子交换膜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.
生产了各种芳基三氟甲磺酸酯。
目的:考察甲磺酸培氟沙星注射液和木糖醇注射液在室温下的配伍稳定性。
Objective: To study on the stability of the compatibility of pefloxacini mesylate injection with xylitol at room temperature.
结论复方奥硝唑甲磺酸培氟沙星缓释牙栓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.
全氟辛烷磺酸类物质(PFOS)因其疏水、疏油的特性,在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.
对非氟speek磺酸质子交换膜制备和性能进行了初步研究,并对自增湿speek膜进行了尝试研究。
Some primary study on synthesis and performance of non-fluorinated SPEEK PEM and SPEEK self-humidifying membrane was carried out.
然后研究了三氟甲磺酸镱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.
研究了氨基磺酸、氟硼酸及对甲苯磺酸的助催化作用,并探讨了其催化机理。
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.
某些泡沫,像全氟辛烷磺酸盐,是有效的,但是是高污染的。
Some foams, like Perfluorooctane sulfonate, are effective but highly polluting.
各种含有酮或醛的芳基三氟甲磺酸酯在催化量的钯和膦配体的存在下与胺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.
结论:甲磺酸培氟沙星在治疗尿路感染中疗效与司氟沙星相当。
Conclusion: Pefloxacin mesylate is as effective as sparfloxacin in treatment of urinary tract infections.
目的:比较甲磺酸培氟沙星和司氟沙星治疗尿路感染的疗效。
Objective:To compare the therapeutic effects of pefloxacin mesylate and sparfloxacin in treatment of urinary tract infections.
目的:考察甲磺酸培氟沙星注射液和木糖醇注射液在室温下的配伍稳定性。
Objective: to study the stability of the compatibility of levofloxacin injection with xylitol at room temperature.
氟离子与磺酸基紧密结合,减少磺酸基团的脱落,从而提高树脂的热稳定性能。
Fluoride ion and acid base were closely integrated to reduce the shedding of sulfonic acid groups, thereby enhancing the resin is thermal stability.
采用离子色谱法同时测定合成药物中存在的四氟硼酸根、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.
本文以国内易得原料为主,设计研究了盐酸二氟沙星和甲磺酸达氟沙星的合成新工艺,并对合成的产物的性质和结构进行了表征。
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.
本发明涉及一种负载三氟甲磺酸锌的SBA-15介孔材料及其制备方法和应用。
The invention relates to an SBA-15 mesoporous material loaded with zinc trifluoromethanesulfonate and a preparation method and application thereof.
本发明涉及一种负载三氟甲磺酸锌的SBA-15介孔材料及其制备方法和应用。
The invention relates to an SBA-15 mesoporous material loaded with zinc trifluoromethanesulfonate and a preparation method and application thereof.
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