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。
The elongation of the HIPS was obviously raised by improving the condition of devolatilization and increasing the molecular weight of polystyrene and the feed of atoleine.
通过提高聚苯乙烯分子量，加大液体石蜡的投入量及改进脱除挥发分的条件，提高高抗冲聚苯乙烯的伸长率。
The molecular weight of obtained polystyrene increases linearly with the overall conversion and agrees with the theoretically predicted molecular weight.
首先，数均分子量随转化率的增加线性增长，且与活性聚合理论计算分子量相符；
The photodegradations of polyketone samples and blends of polyketones with polystyrene(PS) were studied. It shows that the higher molecular weight of polyketones is the better photodegradation rate.
论文分别研究了两种聚酮样品及其与聚苯乙烯（PS）共混产物的光降解性能，结果表明，分子量大的聚酮的光降解性能更好；
The researchers' reports are important, he says, because they provide "some of the first evidence of polystyrene as a potential contaminant to wildlife that's more on the molecular level."
研究者们的报告是重要的，他说，因为他们给出了“某种更多的在分子水平的第一手证据证明塑胶作为一种污染物对野生动物的影响。”
The polystyrene is mixed with alkyl halide, alkyl aluminium halide, dehydrant, brominated by bromine to get narrow distributed brominated polystyrene with low molecular weight.
该聚苯乙烯与烷基卤化物、烷基卤化铝、脱水剂混合，用溴素溴化得到窄分布低分子量溴化聚苯乙烯。
The average molecular weight and its distribution of polystyrene obtained in microsegregation reactor are also between those of piston flow...
产品平均分子量和分子量分布亦介于平推流反应器和微观最大混合反应器之间。
The average molecular weight and its distribution of polystyrene obtained in microsegregation reactor are also between those of piston flow and maximum micromixing...
产品平均分子量和分子量分布亦介于平推流反应器和微观最大混合反应器之间。
The average molecular weight and its distribution of polystyrene obtained in microsegregation reactor are also between those of piston flow and maximum micromixing...
产品平均分子量和分子量分布亦介于平推流反应器和微观最大混合反应器之间。
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