... 单分散聚苯乙烯、mono-dispersed polystyrene 透明级聚苯乙烯、crystal polystyrene 医用聚苯乙烯、polystyrene for medical use ...
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Different grades of crystal polystyrene molding pellets range from 150,000 to 350,000 weight average molecular weight.
不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000 - 350,000。
Polystyrene and silica colloidal crystal multilayers with controlled thickness are fabricated quickly by the vertical deposition method at certain temperature and humidity.
通过控制温度和湿度，用垂直沉积法快速制备出了不同厚度的高质量二氧化硅和聚苯乙烯胶体晶体薄膜。
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