不同组成的高冲聚苯乙烯（HIPS）和低密度聚乙烯（LDPE）共混物的正电子湮没寿命谱被测量，结果表明HIPS和LDPE是不相溶共混物。
The free volume properties of high impact polystyrene (HIPS)-low density polyethylene (LDPE) blend have been investigated by means of positron annihilation lifetime spectra (PALS).
使用凝胶渗透色谱仪（GPC）测定了丁苯橡胶（SBR）及聚苯乙烯（PS）和高冲聚苯乙烯（HIPS）在不同生产工艺条件下的相对分子质量及其分布的变化。
The variation of relative molecular mass and its distribution in the process of SBR and PS (HIPS) were determined by gel permeation chromatograph (GPC).
使用凝胶渗透色谱仪（GPC）测定了丁苯橡胶（SBR）及聚苯乙烯（PS）和高冲聚苯乙烯（HIPS）在不同生产工艺条件下的相对分子质量及其分布的变化。
The variation of relative molecular mass and its distribution in the process of SBR and PS (HIPS) were determined by gel permeation chromatograph (GPC).
应用推荐