The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.
以废聚苯乙烯（WPS）泡沫为原料，采用浓硫酸和发烟硫酸两种磺化方法制备性能良好的砼减水剂。
To ensure low leakage current and low dielectric absorption, the feed back capacitor should be made of a suitable dielectric material such as poly styrene, polypropylene, or Teflon.
为了保证低泄漏电流和低介电吸收，反馈电容器应当由合适的介电材料(如聚苯乙烯、聚丙烯或聚四氟乙烯)制成。
The invention belongs to the field of inorganic materials technology, specifically as a solid acid catalyst - grafted poly styrene sulfonic acid preparation method of carbon nanotubes.
本发明属于无机材料技术领域，具体为一种固体酸催化剂-聚对苯乙烯磺酸接枝改性碳纳米管的制备方法。
The photo-oxidation reaction of poly (styrene-sulfone)-a novel positive deep UV photoresist including film and solution has been studied by fluorescence spectra.
利用荧光光谱研究了聚苯乙烯砜正性远紫外抗蚀剂薄膜和溶液的光氧化反应。
The photo-oxidation reaction of poly (styrene-sulfone)-a novel positive deep UV photoresist including film and solution has been studied by fluorescence spectra.
利用荧光光谱研究了聚苯乙烯砜正性远紫外抗蚀剂薄膜和溶液的光氧化反应。
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