volume lifetime
常见例句
- 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).
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。 返回 volume lifetime